KR20000031077A - Automatic switching device mounted in hinge of flip type mobile phone - Google Patents

Abstract

PURPOSE: An automatic switching device mounted in hinge of flip type mobile phone is provided to reduce costs and strongly resist to drop or impulse, and to minimize dead space. CONSTITUTION: An automatic switching device mounted in hinge of flip type mobile phone comprises a hinge assembly, a switching assembly(5) and an ON/OFF operator. The hinge assembly comprise a hinge housing(1), a hinge shaft(2) coupled to a flip cover to be rotated, a hinge cam(3) engaged with the hinge shaft to be linearly moved, a hinge spring(4) contacted to the cam, and a hinge cover(6) locked to the hinge housing. The switching assembly switches into a conversation mode or a standby mode in response to the opening/closing of the flip and is mounted on the hinge cover to be connected to a main board assembly. The ON/OFF operator turns the switching assembly ON/OFF.

Description

Automatic Switching Device in Hinges for Flip-type Mobile Phones

The present invention relates to a flip-type mobile phone including a digital phone, a cellular phone, a personal communication service phone, and the like. The present invention relates to a hinge device, and more particularly, to a switching device capable of automatically switching to a call mode or a call standby mode according to opening and closing of a flip.

Typically, a portable terminal refers to a portable device such as HHP, CT-2, PCS phone, and the like. Such a portable device performs a communication function while performing wireless communication with a base station.

Currently, portable terminals are widely used according to the trend of miniaturization and lightening while maintaining the communication distance according to the high sensitivity trend of electronic components. Such mobile phones are bar-type, flip-type and folders. Folder-type mobile phones coexist.

In such bar type and flip type or folder type mobile phones, flip type mobile phones or folder type mobile phones with excellent sound sensitivity have become common. The reason why the generalized flip type mobile phone or folder type mobile phone is generalized is that the flip or folder mechanically connected to the main body protects a plurality of keys to prevent the malfunction of the keys and collects the sound by performing the role of the negative reflector during the call. This is because the sensitivity of sound is excellent.

Furthermore, in a flip type mobile phone, a speaker device or a microphone device can be mounted on a flip, which is advantageous in miniaturization, and in a folder type mobile phone, a speaker device and an LCD can be mounted in a folder, which is advantageous in miniaturization.

Typically, a flip-type mobile phone is composed of a flip, the main body and a hinge device for mechanically connecting the flip and the main body, and is designed to automatically transition to a call mode or a call standby mode according to whether the flip is opened or closed.

Currently, mobile phones are becoming smaller, but mobile phones are limited in size to secure the distance between the user's ear and the mouth. That is, in the case of a portable terminal, the distance between the transmitter (part where the microphone device is installed) and the receiver (the earpiece part including the speaker) should be about 14 cm in ergonomics. Therefore, the trend is trying to solve the call distance by installing a microphone (microphone) on the flip.

At this time, the automatic switching device is provided in the mobile phone to automatically switch to the call mode or the call standby mode depending on whether the flip is opened or closed.

As shown in Figures 1 and 2, the automatic switching switching means according to a conventional embodiment is composed of a magnet 320 and a reed switch 330. The magnet 320 is configured to be mounted at a predetermined position of the flip 300, and the reed switch 330 is configured to be installed on the main printed circuit board 310 of the main body.

As shown in FIG. 1, in the case of a mobile phone in an on-hook state, the magnet 320 maintains a close distance to the reed switch 330, whereby the reed switch 330 is operated by the magnetic force of the magnet 320. ) Turns on and switches to call waiting mode.

As shown in FIG. 2, in the case of a mobile phone in an off hook state, the magnet 320 maintains a distance from the reed switch 330 so that the magnetic force of the magnet 320 does not reach the reed switch ( 330 is off to switch to the call mode.

As a result, the conventional mobile phone was configured to automatically switch to the call mode or the call standby mode according to whether the flip 300 is opened or closed.

However, as described above, since the switching means composed of the magnet and the reed switch is expensive, it is a major factor that increases the manufacturing cost.

Moreover, the reed switch occupies a large area in the main printed circuit board, which is a disadvantage in reducing the size of the main body. In addition, the conventional switching operation consisting of a magnet and a reed switch has a problem in that it is reversed in weight.

In addition, since the reed switch has a structure that is very vulnerable to impact, there is a problem that can not cope at all, because the possibility of damage to the reed switch is always exposed when the drop, etc. frequently occurs due to the characteristics of the mobile phone.

In addition, the conventional switching operation using the magnet and the reed switch has a problem in that the on / off point for each product according to the magnetic strength of the magnet has a problem that the exchange or repair is difficult when the flip break.

Today's mobile phones are in a trend of miniaturization, trending, and design. Therefore, the present invention exists in the pursuit of miniaturization and weight reduction to improve the competitiveness of the product.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an automatic switching device provided in a hinge device that can reduce cost.

Another object of the present invention to provide an automatic switching device provided in the hinge device that can be strongly resistant to falling or impact.

Still another object of the present invention is to provide an automatic switching device provided in a hinge device capable of minimizing dead space.

In order to achieve the above objects, the present invention is a flip type mobile phone comprising a main body, a flip, and a hinge device for mechanically connecting the main body and the flip,

A hinge shaft, a hinge shaft inserted into the hinge housing and coupled to a flip cover to perform a rotational movement; A hinge assembly comprising a hinge spring in contact with the shaft, the hinge spring configured to compress or tension along a rotation axis, and a hinge cover locked to the hinge housing to restrain the hinge shaft, the hinge cam, and the hinge spring;

A switching assembly which is switched to a call mode or a call standby mode according to opening and closing of the flip, and installed in the hinge cover and electrically connected to the main board assembly; And

And on / off actuating means installed on the hinge shaft to turn on / off the switching assembly in accordance with opening and closing of the flip.

1 is a side view showing an automatic switching device in the on-hook state according to a conventional embodiment

Figure 2 is a side view showing an automatic switching device in the off-hook state according to a conventional embodiment

Figure 3 is a perspective view of a flip-type mobile phone in a typical on-hook state.

Figure 4 is a perspective view showing a flip-type mobile phone in a conventional off-hook state.

5 is a perspective view showing a process in which the flip is mounted on the hinge device according to an embodiment of the present invention.

6 is a plan view showing a state in which the hinge module according to an embodiment of the present invention is mounted to the hinge receiving portion of the upper casing frame, respectively.

7 is a cross-sectional view of the line X-X in FIG. 4.

Figure 8 is an exploded perspective view showing a hinge module according to an embodiment of the present invention.

9 is a perspective view illustrating a state in which the automatic switching device according to an embodiment of the present invention is mounted on the hinge cover.

10 is a perspective view showing an automatic switching switching assembly according to an embodiment of the present invention.

11 is a cross-sectional view showing the configuration of the automatic switching switching assembly according to an embodiment of the present invention.

12 is a perspective view showing the assembled hinge module according to an embodiment of the present invention.

Figure 13a is a cross-sectional view showing the configuration of the automatic switching switching device, when the flip is closed in accordance with an embodiment of the present invention.

Figure 13b is a cross-sectional view showing the configuration of the automatic switching switching device, when the flip is opened 45 ° according to an embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

1: hinge housing 2: hinge shaft

3: hinge cam 4: hinge spring

5: switching assembly 6: hinge cover

100: body 200: flip

M1, M2: Hinge Module

Hereinafter, with reference to the accompanying drawings will be described in detail the most preferred embodiment of the present invention. First, in describing each of the drawings, only the same components have the same reference numerals as much as possible even if shown on different drawings. In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

3 is a perspective view showing a mobile phone in the on-hook state according to an embodiment of the present invention.

Figure 4 is a perspective view showing a mobile phone in the off-hook state according to an embodiment of the present invention. In the figure, the mobile phone is a flip type. Referring to the drawings,

Typically, a flip type mobile phone is composed of a body 100, a flip element 200, and a hinge device (shown in FIG. 7) for mechanically connecting the body 100 and the flip 200. . The hinge device serves to open and close the flip 200 to the call angle (about 135 °) in the main body 100. The flip 200 opens and closes about the rotation axis A1, and is generally about 130 ° to 160 ° as the opening angle of the flip 200.

At this time, the flip-type mobile phone of the present invention receives a force to close the opening amount of the flip 200 between 0 ° to 45 °, the flip 200 when the opening amount is 45 ° to 135 ° to open the flip Will receive strength. In addition, when the opening amount of the flip 200 is about 135 degrees, the mobile phone receives a force to stop and maintains a state in which the mobile phone can make a call.

The on-hook state of a typical mobile phone means a state in which a call cannot be made, and a normal off-hook state means a state in which a call can be made. That is, the on-hook state is the call waiting mode of the mobile phone, and the off-hook state is the call mode of the mobile phone.

The main body 100 includes an upper casing frame 101 and a lower casing frame 102. An antenna unit 110 is positioned at the top of the main body 100. The antenna device 110 includes a rod antenna 110a and a helical antenna. In the drawing, the rod antenna 110a is pulled out or pulled out by moving up and down in the main body 100, and the helical antenna is not shown in the drawing as built in the antenna housing 110b.

An earpiece 111 including a speaker is mounted below the antenna device 110, and an LCD unit 112 is positioned below the earpiece 111. Of the LCD 112, only the LCD window is shown in the figure. A key pad 113 including a plurality of number keys, function keys, etc. is mounted below the LCD unit, and a microphone unit 114 is disposed below the keypad, that is, at the bottom of the main body 100. Located. The keypad 113 is a data input device, and the LCD unit 112 is a data output device according to an input of a keypad. Therefore, the user can input his / her desired data on the keypad with a hand gesture and check the data output through the LCD.

The microphone device 114 is located in the center of the hinge receiving portion 103 of the main body, the hinge device has a configuration that is installed on both sides of the hinge receiving portion 103, respectively.

In addition, the bottom of the upper and lower casing frame (101, 102) is a battery pack 115 is detachably configured in a sliding manner, the hand grip (116: hand grip) is formed on both sides of the upper and lower casing frame is a convenient configuration for holding.

The flip 200 which is opened and closed by the hinge device on the main body 100 has necks 201 (necks) extending at both edges thereof, and hinge sockets 202 are formed at ends of the necks 201, respectively.

5 is a perspective view illustrating a process in which the flip 200 is coupled to the main body 100 according to an exemplary embodiment of the present invention. Referring to the drawings,

In the hinge accommodating part 103 of the present invention, a hinge device is installed. In the drawing, the second hinge shaft 61 is exposed from the case and coupled to the hinge socket 202 of the flip. At this time, the flip 200 is mounted by forcibly coupling the hinge socket 202 to the second hinge shaft 61. Furthermore, a coupling part 204 for coupling the second hinge shaft 61 is formed inside the hinge socket 202. Since the flip 200 is made of plastic, the flip 200 can be forcibly coupled to the hinge shaft 61. In addition, the flip 200 is forcibly detachable from the hinge device.

6 is a plan view showing a state in which the hinge module according to an embodiment of the present invention is mounted to the hinge receiving portion of the upper casing frame, respectively.

FIG. 7 is a cross-sectional view of the line X-X of FIG. 6.

6 and 7, the hinge device of the present invention is composed of two flip modules (M1, M2) to be coupled to the hinge socket of the flip to become a rotation axis, respectively.

Between the flip modules M1 and M2 is a space 105 in which a microphone device is installed. When the flip module M1 is mounted to the hinge receiving portion 103 of the upper casing frame 101, in the drawing, the upper surface 12 of the hinge housing, the guide hole 13 extending from the upper surface, and the guide protrusion 35, 62) is visible. The two hinge modules M1 and M2 are mounted symmetrically, and each hinge module is supported on the vertical wall 104 and fixed to the hinge receiving portion 103, respectively.

8 is an exploded perspective view showing the hinge module (M1) according to an embodiment of the present invention.

Referring to Figure 8 the hinge device of the present invention in detail as follows.

Of the hinge modules M1 and M2 constituting the hinge device of the present invention, only one hinge module M1 including the automatic switching switching means of the present invention will be described. However, the other hinge module M2 is not provided with the automatic switching switching means, and the rest of the components are the same as the components of one hinge module and will be omitted.

The hinge module M1 includes a hinge housing 1, a hinge shaft 2 accommodated in the hinge housing 1, and a hinge shaft 2 housed in the hinge housing 1. And a hinge cam (3: hinge cam) for sliding movement, a hinge spring (4: hinge spring) for providing a restoring force to the hinge cam (3), and locked to the hinge housing (1) 2), a hinge cover (6) that restrains the hinge cam (3) and the hinge spring (4).

The hinge housing 1 has at least one open end in the rotational axis direction A1, one end of which is a fully opened end 11, and the other end thereof is partially opened end. end: not shown in the drawing). Guide holes 13 extend in the longitudinal direction on the upper surface 12 of the hinge housing, and engaging holes 15 are formed in both side surfaces 14, respectively.

The hinge shaft 2 has a coupling shaft 21 for engaging with the hinge socket of the flip, the end of the coupling shaft 21 is provided with a flat surface 24 and a curved surface 25, with the flip Rotate The other side of the hinge shaft 2 is formed with a ridge 22, and a cylindrical locking portion 23 is formed between the coupling shaft 21 and the ridge 22.

The hinge cam 3 which is in sliding motion with the hinge shaft 2 is provided with a hill portion 31 and a valley portion 32, and is provided with a projection 33 for automatic switching. In addition, a guide protrusion 35 protrudes upward from the upper portion of the hinge cam. As will be described below, the protrusion means on / off operation means for turning on / off the switching assembly according to whether the flip is opened or closed, and the end of the protrusion is curved. Moreover, the material of the protrusion 33 is elastic silicone rubber material to turn on / off the switching assembly. The protrusion of the present invention is limited to a silicon rubber material in consideration of elasticity, but need not be limited to a silicon rubber material, and may be applicable to any material having elasticity. For example, a soft plastic material may be applied as the material of the protrusion.

The hinge cover 5 has a hook 61 symmetrically formed in order to be locked to the hinge housing 1, and a protrusion 62 for assembling in the guide hole 13 protrudes upward. In addition, on the other side of the hinge cover 6, a mounting protrusion 63 for mounting the hinge module on the vertical wall of the hinge receiving portion protrudes, and a hole 64 for penetrating the flexible printed circuit is formed.

A hinge spring 4 is installed between the hinge cam 3 and the hinge cover 6. The hinge spring 4 is a compression coil spring whose one end 41 is in contact with the ring-shaped face 34 of the hinge cam and the other end 42 is in contact with the hinge cover 6.

In accordance with the opening and closing operation of the flip, the hinge shaft 2 moves together, and the hinge cam 3 performs a sliding movement with the ridge 22 of the hinge shaft in accordance with the rotation operation of the hinge shaft 2. . The hinge cam 3 is linearly moved back and forth by the guide means. The guide means consists of a guide hole 13 of the hinge housing and a guide protrusion 35 of the hinge cam.

At this time, the automatic switching switching means of the present invention is installed between the hinge cam 3 and the hinge cover 6. The automatic switching switching means is composed of a switching assembly which is connected to the main board assembly to switch the mobile phone to the call mode or call standby mode, and the switching assembly on / off operation means for turning on / off.

The switching assembly 5 includes a metal dome 51 having a carbon contact, a flexible printed circuit 52 having a carbon contact, and attaching the metal dome 51 to the flexible printed circuit 52. Ring-shaped double-sided tape 53 and a disc-shaped double-sided tape 54 for attaching the flexible printed circuit 52 to the hinge cover 6.

9 is an exploded perspective view showing a state in which the switching means is mounted to the hinge cover according to an embodiment of the present invention. The switching means means a switching assembly.

As shown in FIG. 9, a recess 65 is formed in the center of one surface of the hinge cover in order to install the switching means 5 in the hinge cover, and the recess 65 has the flexible printed circuit. A hole 64 through which the free end of the 52 (flexible printed circuit) passes is formed.

Carbon contacts 51a formed in the metal dome 51 are directed in the vertical direction, and carbon contacts 52a formed in the flexible printed circuit are directed in the horizontal direction. Signal transmission is determined.

10 is a perspective view showing a switching assembly according to an embodiment of the present invention. 11 is a cross-sectional view illustrating a switching assembly according to an exemplary embodiment of the present invention.

10 and 11, the switching assembly 5 of the present invention, as already described, is in contact with or spaced apart from the metal dome 51 and the metal dome 51 in accordance with opening and closing of the flip. A double-sided tape 53 for attaching the printed circuit 52, the metal dome 5 to the flexible printed circuit 52, and a disk for attaching the flexible printed circuit 52 to the hinge cover. Double sided tape 54 is included. A carbon contact 51a is formed on the bottom of the metal dome 51, and another carbon contact 52a corresponding to the carbon contact 51a is formed in the flexible printed circuit 52.

As shown in FIG. 12, when the flip module M1 of the present invention is assembled, the free end of the flexible printed circuit 64 is connected toward the main board assembly via the hole 64.

Referring to Figures 13a and 13b will be described in detail with respect to the operation of the automatic switching switching device of the present invention.

FIG. 13: A is sectional drawing which shows the structure of the hinge module M1 of an on hook state.

If the flip 200 is closed due to no call, the flip 200 remains closed. This force is transmitted by the restoring force of the hinge spring 4 through the hinge cam 3 to the hinge shaft 2, and the force transmitted to the hinge shaft 2 is deformed into a rotational force by a sliding motion with the hinge cam. Because it becomes. At this time, the end 33a of the protrusion 33 of the hinge cam maintains a distance away from the metal dome 51. The mobile phone is in call waiting mode.

As shown in FIG. 13B, when the flip is opened by 45 ° to make a call, the hinge shaft 2 also rotates by 45 °, and the top 22a of the mount 22 is the mount of the hinge cam ( The state of contact with the top 31a of 31) is maintained.

That is, when the flip 200 is opened by 45 °, the hinge cam 3 is retracted by the sliding motion with the hinge shaft 2, and the end 33a of the protrusion presses the metal dome 51. . When a force is applied to the metal dome 51, the carbon contact 51a of the metal dome comes into contact with the carbon contact 52a provided in the flexible printed circuit.

When the flip 200 is opened and closed by 45 ° or more, the top 22a of the top portion of the hinge portion of the hinge shaft is separated from the top 31a of the top portion of the hinge cam, and the hinge cam then moves forward again. Simultaneously, the end 33a of the protrusion is separated from the metal dome, and the carbon contact 51a of the metal dome is spaced apart from the carbon contact 52a of the flexible printed circuit. Since the metal dome 51 has elasticity, the carbon contact 51a automatically returns to its original position.

The flip 200 stops at 135 ° and remains open, and when the call is closed and the flip is closed, the mobile phone is switched back to the call standby mode by the automatic switching device in the call mode by the above operation. .

As a result, the front and rear linear movement of the hinge cam 3 is performed in accordance with the opening and closing of the flip 200, and the switching means 5 operates according to the hinge cam 3.

In the hinge device of the present invention, the switching operation is implemented as an example when the 45 ° flip is opened, but it is not necessary to limit the on / off point of the automatic switching device to 45 °, and switch according to the deformation of the hinge device. You can change the opening angle of the flip that can be operated. However, in the hinge device of the present invention, the optimum embodiment is realized by turning the flip angle of 135 ° on and off of the automatic switching device.

In addition, the extended length of the automatic switching projection 33 of the present invention is set by the front and rear linear movement distance of the hinge cam.

On the other hand, in the detailed description of the present invention has been described with respect to specific embodiments, it will be apparent to those skilled in the art that various modifications are possible without departing from the scope of the present invention.

As described above, in the present invention, the automatic switching device is installed in the hinge device in the flip-type mobile phone, and is automatically switched to the call mode or the call standby mode according to whether the flip is opened or closed, which is convenient to use. It is advantageous in miniaturization and achieves the effect of reducing the manufacturing cost.

Claims (8)

A flip type mobile phone comprising a main body, a flip, and a hinge device for mechanically connecting the main body and a flip, A hinge shaft, a hinge shaft inserted into the hinge housing and coupled to a flip cover to perform a rotational movement; a hinge cam sliding forward and backward with respect to the rotation shaft; A hinge assembly comprising a hinge spring in contact with the shaft, the hinge spring configured to compress or tension along a rotation axis, and a hinge cover locked to the hinge housing to restrain the hinge shaft, the hinge cam, and the hinge spring; A switching assembly which is switched to a call mode or a call standby mode according to opening and closing of the flip, and installed in the hinge cover and electrically connected to the main board assembly; And And an on / off operating means installed on the hinge shaft to turn on / off the switching assembly according to opening and closing of the flip. The method of claim 1, And the switching assembly and the on / off operation means are installed to face each other. The method of claim 1, The switching assembly includes a flexible printed circuit having a carbon contact, a metal dome having a carbon contact, attached to the flexible printed circuit using a ring-shaped double-sided tape, and attaching the flexible printed circuit to a hinge cover. Automatic switching device provided in the hinge device in the flip-type mobile phone, characterized in that consisting of bonding means. The method of claim 3, The bonding means is an automatic switching device provided in the hinge device in the flip-type mobile phone characterized in that the double-sided tape. The method of claim 1, The on / off operating means is an automatic switching device provided in the hinge device in the flip type mobile phone, characterized in that the protrusion extending to a predetermined length. The method of claim 5, The protrusion is an automatic switching device provided in the hinge device in the flip-type mobile phone, characterized in that the silicon rubber material. The method of claim 5, The switch of the automatic switching device provided in the hinge device in the flip-type mobile phone, characterized in that the curved end. The method of claim 1, A recess is formed in the hinge cover and a through hole is formed in the hinge cover so that the switching assembly is installed on the hinge cover and electrically connected to the main board assembly. Automatic switching switches.