CN112120364A

CN112120364A - Wearable device

Info

Publication number: CN112120364A
Application number: CN201910555724.5A
Authority: CN
Inventors: 薛跃各; 胡江华
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-12-25
Also published as: WO2020259158A1

Abstract

The application relates to a wearable device, including watchcase, watchband subassembly and button. The watchband subassembly includes watchband and first fastener, and first fastener wears to establish the watchband and can follow the flexible removal of width direction of watchband. According to key-type connection watchcase, when watchband subassembly installed in the watchcase, the button can move to first position and second position along the thickness direction of watchband, and first block spare is stretched out the watchband and with watchband block in the watchcase at first position button butt first block spare. In the second position the first catch is capable of retracting the band to enable the band to be removed from the case. Above-mentioned wearable equipment, when the button removed to the primary importance, the watchband can block in the watchcase, presses the button so that the button removes when the secondary importance, and the watchband can be followed the watchcase and detached, and the convenience of watchband dismouting can be promoted to above-mentioned structure.

Description

Wearable device

Technical Field

The application relates to the technical field of wearable equipment.

Background

General wrist-watch includes watchband and watchcase, and the watchband adopts elasticity thimble block in the watchcase, and elasticity thimble is comparatively sharp thin, causes the dismouting of watchband and watchcase inconvenient.

Disclosure of Invention

The embodiment of the application discloses wearable equipment to solve the inconvenient technical problem of dismouting of watchband and watchcase.

A wearable device, comprising:

a watch case;

the watchband assembly comprises a watchband and a first clamping piece, and the first clamping piece penetrates through the watchband and can move in a telescopic manner along the width direction of the watchband; and

the key is connected with the watch case; when the watchband assembly is installed on the watchcase, the key can move to a first position and a second position along the thickness direction of the watchband, and the key abuts against the first clamping piece at the first position so that the first clamping piece extends out of the watchband and clamps the watchband on the watchcase; in a second position the first catch is capable of retracting the band to enable the band to be removed from the case.

Above-mentioned wearable equipment, when the button removed to the primary importance, the watchband can block in the watchcase, presses the button so that the button removes when the secondary importance, and the watchband can be followed the watchcase and detached, and the convenience of watchband dismouting can be promoted to above-mentioned structure.

In one embodiment, the watchcase is provided with a groove and a mounting groove which are communicated with each other, and the watchband assembly can be mounted in the groove; the key comprises a shaft body and a butting part connected with the shaft body, the shaft body penetrates through the groove and the mounting groove, and the butting part is positioned in the groove; in the width direction of the watchband, the width of the abutting part is reduced from one end far away from the shaft body to one end close to the shaft body; the abutting part abuts against the first clamping piece at the first position.

In one embodiment, the abutting portion is tapered, and the width of the abutting portion gradually decreases from one end far away from the shaft body to one end close to the shaft body in the width direction of the watchband.

In one embodiment, the wearable device comprises a first elastic piece and a limiting piece, the first elastic piece is accommodated in the mounting groove, one end of the first elastic piece abuts against the limiting piece, and the other end of the first elastic piece abuts against the bottom of the mounting groove; the limiting piece is connected with the key and exposes the watch case, the limiting piece can drive the key to be switched between a first position and a second position, the first elastic piece accumulates elastic force when the second position is reached, and the key can be pushed to move to the first position when the elastic force is released by the first elastic piece.

In one embodiment, the limiting member is in threaded connection with the key, or the limiting member is in interference connection with the key, or the limiting member is bonded to the key.

In one embodiment, the exposed end surface of the stop is flush with the surface of the watch case in the first position.

In one embodiment, the watchband assembly comprises a first sleeve and a second elastic element, the first sleeve is sleeved with the first clamping piece, the second elastic element is sleeved with the first clamping piece and accommodated in the first sleeve, and the first sleeve penetrates through the watchband and is fixedly connected with the watchband; the second elastic member accumulates elastic force at the first position, and drives the first engaging member to retract the band at the second position.

In one embodiment, the first engaging member includes a main body and a boss integrally formed on a circumference of the main body, one end of the second elastic member abuts against the boss, the other end of the second elastic member abuts against the first sleeve, and the second elastic member is compressed when in the first position.

In one embodiment, the watchband is provided with a notch extending to the edge of the watchband in the length direction, and when the watchband is installed on the watchcase, the abutting part is accommodated in the notch; the watchband width direction be equipped with the first passageway of breach intercommunication, the first passageway is equipped with first connecting piece, first connecting piece interference fit in the first passageway, just first connecting piece is followed the width direction of watchband be equipped with the second passageway of first passageway intercommunication, first sleeve is worn to establish the second passageway and with first connecting piece fixed connection.

In one embodiment, the watchband assembly comprises a second clamping piece, the second clamping piece penetrates through the watchband and can move in a telescopic manner along the width direction of the watchband, and the moving direction of the second clamping piece is opposite to the moving direction of the first clamping piece; the abutting part abuts against the second clamping piece when in the first position so that the second clamping piece extends out of the watchband and is clamped with the watchcase, and the second clamping piece retracts back into the watchband when in the second position so that the watchband can be detached from the watchcase.

In one embodiment, the watchband assembly comprises a second sleeve and a third elastic element, the second sleeve is sleeved with the second clamping piece, the third elastic element is sleeved with the second clamping piece and accommodated in the second sleeve, and the second sleeve penetrates through the watchband and is fixedly connected with the watchband; the third elastic member accumulates elastic force at the first position, and drives the second engaging member to retract the band at the second position.

In one embodiment, the watchband is provided with a notch extending to the edge of the watchband in the length direction, and when the watchband is installed on the watchcase, the abutting part is accommodated in the notch; the watchband is provided with a third channel communicated with the notch in the width direction, the third channel is provided with a second connecting piece, the second connecting piece is in interference fit with the third channel, a fourth channel communicated with the third channel is arranged in the width direction of the watchband through the second connecting piece, and the second sleeve penetrates through the fourth channel and is fixedly connected with the second connecting piece.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of a wearable device in one embodiment;

fig. 2 is an exploded view of the wearable device shown in fig. 1;

FIG. 3 is a cross-sectional view of an embodiment of the wearable device of FIG. 1 with a key in a first position;

FIG. 4 is a cross-sectional view of the wearable device of FIG. 1 with the keys in a second position;

fig. 5 is an exploded view of the button, the first elastic member and the limiting member of the wearable device shown in fig. 2;

FIG. 6 is a cross-sectional view of another cross-section of the wearable device shown in FIG. 3;

FIG. 7 is a cross-sectional view of another cross-section of the wearable device shown in FIG. 4;

fig. 8 is a perspective view of a stopper of the wearable device shown in fig. 5;

FIG. 9 is a cross-sectional view of yet another cross-section of the wearable device shown in FIG. 3;

FIG. 10 is a cross-sectional view of yet another cross-section of the wearable device shown in FIG. 4;

fig. 11 is a cross-sectional view of the first catch, the second resilient member, and the first sleeve of the wearable device of fig. 3;

FIG. 12 is a cross-sectional view of a watchband assembly of the wearable device of FIG. 1;

FIG. 13 is an exploded view of a watchband assembly of the wearable device of FIG. 12;

FIG. 14 is a front view of a watchband assembly of the wearable device of FIG. 12;

fig. 15 is a cross-sectional view of a wristband of the wearable device shown in fig. 13.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1 and 2, the wearable device 10 includes a watch case 100 and a watch band assembly 200. The watch case 100 may be made of non-metal materials such as plastic, rubber, silica gel, wood or ceramic, and the watch case 100 may also be made of metal materials such as stainless steel, aluminum alloy or magnesium alloy. The inside of the watch case 100 forms a mounting space. In some embodiments, the wearable device 10 is a smart watch, and the installation space may be used to install electronic components such as a battery, a processor, a display screen, a biosensor, etc., but the display screen is not necessary and thus may be omitted. Biosensors may be used to detect biological data such as heart rate, respiration rate, blood pressure, or body fat, and in some embodiments, may also be used to detect a state of motion such as for step counting. In other embodiments, the wearable device 10 may be a sports watch, a common form of which is an electronic watch, or a conventional watch, a common form of which is a mechanical watch, or the like. In other embodiments, the wearable device 10 may also be a smart band or the like.

Referring to fig. 2, the watch case 100 is provided with a groove 101 for mounting the band assembly 200, and the wearable device 10 includes a key 300, and the band assembly 200 can be snap-fastened to the watch case 100 by the key 300 and detached from the watch case 100. The groove 101 may be circumferentially closed, or may be circumferentially provided with a notch. The band assembly 200 includes a band 210 and a first engaging member 220, and the first engaging member 220 is inserted into the band 210 and can move in a telescopic manner in a width direction of the band 210. In some embodiments, the watch band 210 is divided into two segments, each of the two segments 210 has one end connected to the watch case, and the ends of the two segments 210 facing away from the watch case 100 may be buckled to form a receiving space, so as to wear the wearable device 10 to the wrist or arm of the user or other parts of the body through the watch band 210. In other embodiments, the watch band 210 may be a one-piece structure, two ends of the watch band 210 are respectively connected to the watch case 100, and the size of the receiving space of the watch band 210 may be adjusted by other structures, such as a buckle, an elastic expansion and contraction, and the like, so as to facilitate wearing by a user. While this application describes one of the two-piece wristband 210 as an example, it will be appreciated that the structure disclosed herein is applicable to other wristband 210 forms.

Referring to fig. 3 and 4, the key 300 is attached to the case 100, and when the band assembly 200 is mounted to the case 100, the key 300 can move in the thickness direction of the band 210 to a first position and a second position, and referring to fig. 3, the key 300 abuts against the first engaging member 220 in the first position to extend the first engaging member 220 out of the band 210 and engage the band 210 with the case 100. Referring to fig. 4, in the second position first catch 220 can retract band 210 to enable band 210 to be removed from case 100. Specifically, the watch case 100 is provided with a mounting groove 103 communicating with the groove 101, the mounting groove 103 being circumferentially closed, the mounting groove 103 extending in the thickness direction of the band 210. Referring to fig. 5, the key 300 includes a shaft 310 and a supporting portion 320 connected to the shaft 310, the shaft 310 penetrates through the groove 101 and the mounting groove 103, and the supporting portion 320 is located in the groove 101. In the width direction of the band 210, the maximum width of the abutting portion 320 is greater than the width of the connection between the shaft body 310 and the abutting portion 320, that is, the width of the abutting portion 320 decreases from the end far from the shaft body 310 to the end near the shaft body 310. The first position abutting portion 320 abuts against the first engaging member 220, and the second position abutting portion 320 may abut against the first engaging member 220 or may not abut against the first engaging member 220. The width between the abutting portion 320 and the shaft 310 is changed to allow the first engaging member 220 to move in a direction of the width of the band 210, so that the band 210 can be engaged with the wristwatch case 100 by the first engaging member 220 in the first position and the band 210 can be detached from the wristwatch case 100 in the second position.

Further, referring to fig. 3 and 4, the mounting groove 103 is shaped like a sink groove, the wearable device 10 includes a first elastic member 330 and a limiting member 340, the first elastic member 330 is accommodated in the mounting groove 103, one end of the first elastic member 330 abuts against the limiting member 340, and the other end of the first elastic member 330 abuts against the groove bottom of the mounting groove 103. The limiting member 340 is connected to the key 300 and exposes the watch case 100, the limiting member 340 can drive the key 300 to switch between a first position and a second position, the first elastic member 330 accumulates an elastic force in the second position, and the first elastic member 330 can push the key 300 to move to the first position when the first elastic member 330 releases the elastic force. Further, in the embodiment shown in fig. 3, the limiting member 340 is screwed to the key 300, so that the limiting member 340 is fixedly connected to the key 300 and detachably connected thereto. Further, referring to fig. 6, the exposed end surface of the stopper 340 is flush with the surface of the wristwatch case 100 in the first position. The wearable device 10 has a higher appearance integrity when the button 300 is in the first position, which is beneficial to improving the appearance characteristics of the wearable device 10. With reference to fig. 7, since the exposed end surface of the limiting member 340 may be larger, it is beneficial for the user to press the key 300 through the limiting member 340, so that the key 300 moves between the first position and the second position, and further, the user can assemble and disassemble the watch band 210. Of course, in other embodiments, the limiting member 340 and the key 300 may also be connected in an interference manner to achieve a fixed connection, or the limiting member 340 and the key 300 are bonded to achieve a fixed connection. It is to be understood that the limiting member 340 is not essential and thus may be omitted. For example, the shaft body 310 may be disposed in a T shape at an end facing away from the groove 101 and exposed to the watch case 100, and the first elastic member 330 is fixed in the mounting groove 103 through an end of the shaft body 310 and the mounting groove 103. The abutting portion 320 may be installed in the groove 101 and screwed or interference-connected with the shaft body 310 to achieve a fixed connection with the shaft body 310.

The first elastic member 330 may be a spring, and the first elastic member 330 may form an elastic force between the limiting member 340 and the watch case 100, so that the limiting member 340 is exposed out of the watch case 100, so that a user can apply a force to the limiting member 340 to press the limiting member 340 and further drive the abutting portion 320 to move in the groove 101. The first elastic member 330 may also have other structures, such as a spring plate or an elastic column. Of course, the first elastic member 330 is not necessary, and for example, a slope structure may be provided at the abutting portion 320, and the key 300 may be driven by the band assembly 200 and return to the first position when the band assembly 200 is mounted to the watch case 100 in the second position. Further, referring to fig. 8, a protrusion 341 may be disposed on a side surface of the limiting member 340, and in combination with fig. 3 and 4, a groove wall of the mounting groove 103 may be provided with a limiting groove 104, and the protrusion 341 moves in the limiting groove 104 to limit a moving range of the limiting member 340 through the limiting groove 104. For example, in the first position, under the action of the first elastic element 330, the protrusion 341 of the limiting element 340 abuts against the wall of the limiting groove 104, so that the limiting element 340 is limited from coming out of the mounting groove 103.

Referring to fig. 5, the abutting portion 320 is conical, and the width of the abutting portion 320 gradually decreases from the end far from the axle 310 to the end near the axle 310 in the width direction of the band 210. Referring to fig. 9, when the first position abutting portion 320 abuts against the first engaging member 220 to make the first engaging member 220 extend out of the band 210 and engage the band 210 with the watch case 100, and the shaft body 310 is pressed by the limiting member 340 to make the shaft body 310 retract toward the groove 101, the first engaging member 220 moves toward the shaft body 310 at the conical surface of the abutting portion 320, so that the first engaging member 220 gradually retracts into the band 210. Referring to fig. 10, when the shaft body 310 moves by the pressing action to move the first engaging member 220 to the connection between the shaft body 310 and the abutting portion 320, the first engaging member 220 is no longer engaged with the watch case 100, and the band 210 can be detached from the watch case 100. Of course, the abutting portion 320 may also be in a quadrangular pyramid shape, one side of the abutting portion 320 facing the first engaging member 220 is in an inclined plane shape, and the first engaging member 220 can also gradually retract into the band 210 by the first engaging member 220 moving toward the shaft body 310 on the inclined plane of the abutting portion 320.

Further, referring to fig. 11 and 12, the band assembly 200 includes a first sleeve 231 and a second elastic element 233, the first sleeve 231 is sleeved with the first engaging element 220, the second elastic element 233 is sleeved with the first engaging element 220 and is accommodated in the first sleeve 231, and the first sleeve 231 penetrates the band 210 and is fixedly connected to the band 210. Referring to fig. 9, the second elastic element 233 accumulates elastic force in the first position, and referring to fig. 10, the second elastic element 233 drives the first engaging element 220 to retract the band 210 in the second position. Specifically, in the embodiment shown in fig. 11, the first engaging member 220 is substantially cylindrical and includes a main body 221 and a boss 223 integrally formed on the circumference of the main body 221, one end of the main body 221 can extend out of or retract into the band 210, and the other end of the main body 221 can abut against the abutting portion 320 and is driven to move telescopically during the pressing process of the key 300. One end of the second elastic member 233 abuts the boss 223 and the other end abuts the first sleeve 231, and the second elastic member 233 is compressed in the first position. The key 300 is pressed to the second position, so that the contact surface between the first engaging member 220 and the abutting portion 320 moves from the abutting portion 320 to the shaft 310, and under the elastic force of the second elastic member 233, the first engaging member 220 retracts into the band 210, so that the band 210 can be detached from the watch case 100. In other embodiments, the second elastic element 233 may be installed on the other side of the boss 223, and in the first position, the second elastic element 233 is stretched to press the key 300 to the second position, so that the contact surface of the first engaging element 220 and the abutting portion 320 moves from the abutting portion 320 to the shaft body 310, and under the elastic force of the second elastic element 233, the first engaging element 220 retracts into the band 210, so that the band 210 can be detached from the watch case 100. It is understood that the second elastic member 233 is not essential, and for example, a hole may be formed in the first engaging member 220, an external engaging pin may be inserted into the hole when the key 300 is moved to the second position, and the first engaging member 220 may be moved by the engaging pin to retract the band 210.

Referring to fig. 13, 14 and 15, band 210 has a notch 201 extending to the edge of band 210 in the longitudinal direction, and when band 210 is mounted on watch case 100, as shown in fig. 3 and 4, retaining portion 320 is received in notch 201. Referring to fig. 15, the watch band 210 is provided with a first channel 203 communicating with the notch 201 in the width direction, the first channel 203 is provided with a first connector 240, the first connector 240 is in interference fit with the first channel 203, the first connector 240 is provided with a second channel 241 communicating with the first channel 203 in the width direction of the watch band 210, and the first sleeve 231 penetrates through the second channel 241 and is fixedly connected with the first connector 240. The first connector 240 may be a rigid plastic material and form an interference fit with the first channel 203, but the first connector 240 may also be injection molded with the band 210 at the first channel 203 to form a secure connection. The material of the first connecting member 240 may also be metal, such as aluminum alloy, magnesium alloy, or stainless steel. The first connecting member 240 has a strength suitable for the first sleeve 231 to be reliably connected to the band 210 through the first connecting member 240 after passing through the second passage 241.

Referring to fig. 3 and 4, the watch band assembly 200 includes a second engaging member 250, the second engaging member 250 is disposed through the watch band 210 and can move telescopically along the width direction of the watch band 210, and the moving direction of the second engaging member 250 is opposite to the moving direction of the first engaging member 220, and in combination with fig. 3, the abutting portion 320 abuts against the second engaging member 250 at the first position so that the second engaging member 250 extends out of the watch band 210 and engages with the watch case 100. Referring to fig. 4, in the second position, second clasp 250 retracts band 210 to allow band 210 to be detached from case 100. The structure of the second engaging member 250 may be the same as that of the first engaging member 220, and the abutting portion 320 may abut against the second engaging member 250 or may not abut against the second engaging member 250 at the second position. Specifically, in the embodiment that the abutting portion 320 is conical, with reference to fig. 9 and 10, when the first position abutting portion 320 abuts against the second engaging member 250 to make the second engaging member 250 extend out of the band 210 and engage the band 210 with the watch case 100, and the shaft body 310 is pressed by the limiting member 340 to make the shaft body 310 retract toward the groove 101, the second engaging member 250 moves toward the shaft body 310 at the conical surface of the abutting portion 320, so that the second engaging member 250 gradually retracts into the band 210, and when the shaft body 310 moves under the pressing action to make the second engaging member 250 move to the connection between the shaft body 310 and the abutting portion 320, the second engaging member 250 is no longer engaged with the watch case 100, and the band 210 can be detached from the watch case 100. In the embodiment that the supporting portion 320 is quadrangular, a side of the supporting portion 320 facing the second engaging member 250 is inclined, and the second engaging member 250 can also gradually retract into the band 210 by the second engaging member 250 moving toward the shaft body 310 on the inclined surface of the supporting portion 320.

Further, referring to fig. 12, the watch band assembly 200 includes a second sleeve 261 and a third elastic element 263, the second sleeve 261 is sleeved with the second engaging element 250, the third elastic element 263 is sleeved with the second engaging element 250 and is accommodated in the second sleeve 261, and the second sleeve 261 penetrates through the watch band 210 and is fixedly connected to the watch band 210. The third elastic member 263 accumulates elastic force in the first position, and the third elastic member 263 drives the second engaging member 250 to retract the band 210 in the second position. Specifically, in the embodiment shown in fig. 3 and 4, the second engaging member 250 has the same structure as the first engaging member 220 and is disposed in axial symmetry with respect to the axis of the shaft body 310, and the third elastic member 263 is compressed in the first position. The key 300 is pressed to the second position, so that the contact surface between the second engaging member 250 and the abutting portion 320 moves from the end far from the shaft body 310 to the end near the shaft body 310, and under the elastic force of the third elastic member 263, the second engaging member 250 retracts into the band 210, so that the band 210 can be detached from the watch case 100. In another embodiment, the third elastic element 263 can change the installation position of the second engaging element 250, in the first position, the second elastic element 233 is stretched, and the key 300 is pressed to the second position, so that the contact surface between the second engaging element 250 and the abutting portion 320 moves from the end far away from the shaft body 310 to the end near the shaft body 310, and under the elastic force of the third elastic element 263, the second engaging element 250 retracts into the band 210, so that the band 210 can be detached from the watch case 100. It is understood that the third elastic element 263 is not essential, and for example, a hole may be provided on the second engaging element 250, an external engaging pin may be inserted into the hole when the key 300 is pressed to the second position, and then the second engaging element 250 is moved by the engaging pin to retract the band 210.

Referring to fig. 15, the watchband 210 is provided with a third channel 205 in the width direction, the third channel 205 is provided with a second connector 270, the second connector 270 is in interference fit with the third channel 205, the second connector 270 is provided with a fourth channel 271 in the width direction of the watchband 210, the fourth channel 271 is communicated with the third channel 205, and the second sleeve 261 penetrates through the fourth channel 271 and is fixedly connected with the second connector 270. Second connector 270 may be a rigid plastic material and form an interference fit with third channel 205, although second connector 270 may also be injection molded into third channel 205 to form a secure connection with band 210. The material of the second connecting member 270 may also be metal, such as aluminum alloy, magnesium alloy, or stainless steel. The second connector 270 has a strength suitable for the second sleeve 261 to form a reliable connection with the band 210 through the second connector 270 after passing through the third channel 205.

Referring to fig. 12, the axes of the first engaging member 220 and the second engaging member 250 can be regarded as being located on the same straight line in consideration of engineering errors, so that the first engaging member 220 and the second engaging member 250 can be moved smoothly and the balance of the forces of the band assembly 200 can be achieved. Referring to fig. 3 and 4, when the band 210 is not mounted on the watch case 100, the key 300 is pressed to the second position, the first engaging member 220 and the second engaging member 250 are in the retracted state, and a gap for the shaft 310 to pass through is formed between the first engaging member 220 and the second engaging member 250, so that the band 210 can be smoothly mounted on the groove 101 of the watch case 100. After the watch band 210 is installed in the groove 101 of the watch case 100, when the key 300 is released to return the key 300 to the first position, the first engaging member 220 and the second engaging member 250 extend out of the watch band 210, so that the watch band 210 can be engaged with the watch case 100. When the watch band 210 needs to be detached, the first engaging member 220 and the second engaging member 250 are retracted into the watch band 210 after the key 300 is pressed to the second position, and the watch band 210 can be smoothly detached from the watch case 100. The structure can improve the convenience of assembling and disassembling the watch band 210. The band assembly 200 may have various forms and may be made in a highly versatile form to facilitate the user to replace the band assembly 200. For example, a user may replace the more formal band 210 in formal situations and the more fashionable band 210 in everyday situations.

When the watchband assembly 200 is mounted to the watchcase 100, since the key 300, the first engaging member 220, the second engaging member 250 and the related structures thereof can be hidden in the watchcase 100 or the watchband 210, the wearable device 10 may not have a protruding mounting structure in appearance, so that the appearance integrity of the wearable device 10 can be improved, and the appearance characteristics of the wearable device 10 can be improved. Of course, it is understood that the second engaging member 250, the second sleeve 261, the third elastic member 263, the second connecting member 270 and the related mounting structure thereof are not essential and thus may be omitted. For example, a fixed protrusion may be disposed on the other side of the band 210 opposite to the first engaging element 220, the protrusion may have elasticity, for example, made of silica gel or rubber, the key 300 is engaged with the watch case 100 by the protrusion and the first engaging element 220 in the first position, and also the band 210 can be reliably fixed to the watch case 100, and the band 210 can be easily detached from the watch case 100 when the key 300 is in the second position.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A wearable device, comprising:

a watch case;

2. The wearable device of claim 1, wherein the watch case is provided with a groove and a mounting groove communicating with each other, the watch band assembly being mountable to the groove; the key comprises a shaft body and a butting part connected with the shaft body, the shaft body penetrates through the groove and the mounting groove, and the butting part is positioned in the groove; in the width direction of the watchband, the width of the abutting part is reduced from one end far away from the shaft body to one end close to the shaft body; the abutting part abuts against the first clamping piece at the first position.

3. The wearable device according to claim 2, wherein the abutting portion is tapered, and a width of the abutting portion is gradually reduced from an end away from the shaft body to an end close to the shaft body in a width direction of the band.

4. The wearable device according to claim 2, wherein the wearable device comprises a first elastic member and a limiting member, the first elastic member is accommodated in the mounting groove, one end of the first elastic member abuts against the limiting member, and the other end of the first elastic member abuts against the bottom of the mounting groove; the limiting piece is connected with the key and exposes the watch case, the limiting piece can drive the key to be switched between a first position and a second position, the first elastic piece accumulates elastic force when the second position is reached, and the key can be pushed to move to the first position when the elastic force is released by the first elastic piece.

5. The wearable device according to claim 4, wherein the stopper is in threaded connection with the key, or in interference connection with the key, or in adhesion with the key.

6. The wearable device according to claim 4, wherein the exposed end surface of the stop is flush with the surface of the watch case in the first position.

7. The wearable device according to claim 2, wherein the watchband assembly comprises a first sleeve and a second elastic member, the first sleeve is sleeved with the first engaging member, the second elastic member is sleeved with the first engaging member and accommodated in the first sleeve, and the first sleeve penetrates through the watchband and is fixedly connected with the watchband; the second elastic member accumulates elastic force at the first position, and drives the first engaging member to retract the band at the second position.

8. The wearable device according to claim 7, wherein the first engaging member includes a main body and a boss integrally formed in a circumferential direction of the main body, one end of the second elastic member abuts against the boss, the other end abuts against the first sleeve, and the second elastic member is compressed in the first position.

9. The wearable device according to claim 8, wherein the band is provided with a notch extending to an edge of the band in a length direction, and the abutting portion is received in the notch when the band is mounted on the case; the watchband width direction be equipped with the first passageway of breach intercommunication, the first passageway is equipped with first connecting piece, first connecting piece interference fit in the first passageway, just first connecting piece is followed the width direction of watchband be equipped with the second passageway of first passageway intercommunication, first sleeve is worn to establish the second passageway and with first connecting piece fixed connection.

10. The wearable device according to claim 2, wherein the watchband assembly comprises a second engaging member, the second engaging member penetrates through the watchband and can move telescopically along a width direction of the watchband, and a moving direction of the second engaging member is opposite to a moving direction of the first engaging member; the abutting part abuts against the second clamping piece when in the first position so that the second clamping piece extends out of the watchband and is clamped with the watchcase, and the second clamping piece retracts back into the watchband when in the second position so that the watchband can be detached from the watchcase.

11. The wearable device of claim 10, wherein the watchband assembly comprises a second sleeve and a third elastic element, the second sleeve is sleeved with the second engaging element, the third elastic element is sleeved with the second engaging element and accommodated in the second sleeve, and the second sleeve penetrates through the watchband and is fixedly connected with the watchband; the third elastic member accumulates elastic force at the first position, and drives the second engaging member to retract the band at the second position.

12. The wearable device according to claim 11, wherein the band is provided with a notch extending to an edge of the band in a longitudinal direction, and the abutting portion is received in the notch when the band is mounted on the case; the watchband is provided with a third channel communicated with the notch in the width direction, the third channel is provided with a second connecting piece, the second connecting piece is in interference fit with the third channel, a fourth channel communicated with the third channel is arranged in the width direction of the watchband through the second connecting piece, and the second sleeve penetrates through the fourth channel and is fixedly connected with the second connecting piece.