CN204061816U - A kind of belt pulley - Google Patents
A kind of belt pulley Download PDFInfo
- Publication number
- CN204061816U CN204061816U CN201420446685.8U CN201420446685U CN204061816U CN 204061816 U CN204061816 U CN 204061816U CN 201420446685 U CN201420446685 U CN 201420446685U CN 204061816 U CN204061816 U CN 204061816U
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- CN
- China
- Prior art keywords
- axle sleeve
- roller body
- belt pulley
- limit portion
- wheel face
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Abstract
The utility model relates to a kind of belt pulley, comprise roller body and the fixed axle sleeve of coaxial setting, upper edge and the lower edge of described roller body are respectively equipped with upper limit portion and lower limit portion, the wheel face entirety of described roller body, in arch, coordinates in the groove structure that described upper limit portion, wheel face and lower limit portion are formed and is provided with silica gel sheath; Described fixed axle sleeve comprises the external axle sleeve be located at the internal axle sleeve inside roller body and be located at outside roller body of integrated setting, and be provided with cooling mechanism between described internal axle sleeve and roller body, described external axle sleeve is provided with locking mechanism.The utility model significantly reduces the weight of belt pulley, reduce the cost of production of 2/3, improve the utilization efficiency of motor, ensure that the convenience that belt is installed and fixing reliability, can dispel the heat in time in the process of belt pulley running, extend the working life of belt pulley, the working effect of belt pulley is better, works reliably safer.
Description
Technical field
The utility model belongs to engineering element or parts; For producing and keep the general measures of effective operation of machine or equipment; The technical field of general thermal insulation, particularly a kind of reasonable reformation structure with increase belt pulley stability, increase the service life, reduce weight and the belt pulley of cost squeeze.
Background technique
Belt pulley, belong to hub class part, size is changeable, is mainly used in the occasion of Long Distant Transmit power.
In prior art, considerable occasion can use pulley drive.The advantage of pulley drive mainly contains: pulley drive can relax load impacting, transmission operates steadily, low noise, low vibration, structure are simple, easy to adjust, pulley drive for belt pulley manufacture and installation precision is strict unlike engagement driving, transmission has the function of overload protection and the diaxon centre distance regulation range of transmission is larger.But, pulley drive also has a series of shortcoming, comprise the phenomenon that pulley drive easily produces elasticity sliding motion and skidding, transmission efficiency is lower, can not keep velocity ratio accurately, during the large equally peripheral force of pulley drive transmission, overall size and axle upward pressure larger than engagement driving, life-span of pulley drive belt is shorter etc.
When in the transmission occasion that some are small-sized, the delivery wheel that conveying belt in such as mahjong machine uses, large-scale belt pulley is obviously inapplicable, silica gel or resin-coating is often adopted to use as belt pulley as installing belt after the iron core of axle sleeve in prior art, the large usage quantity of this structure silica gel or resin first, cost is very high, moreover overall weight is large, a large amount of energy can be consumed in belt operation, also the gimmick that belt is installed and tension force must be noted the moment for three in the process of installing, the too small easy skidding of surface of contact, the gradient excessive fragile belt and the bearing again of surface of contact.
Model utility content
The technical problem that the utility model solves is, in prior art, silica gel or resin-coating is often adopted to use as belt pulley as installing belt after the iron core of axle sleeve, and the large usage quantity of the silica gel first caused or resin, cost is very high, moreover overall weight is large, a large amount of energy can be consumed in belt operation, also the gimmick that belt is installed and tension force must be noted the moment for three in the process of installing, the too small easy skidding of surface of contact, the problem of the gradient excessive fragile belt and the bearing again of surface of contact, and then provide a kind of belt pulley of optimizing structure.
The technological scheme that the utility model adopts is, a kind of belt pulley, comprise roller body and the fixed axle sleeve of coaxial setting, upper edge and the lower edge of described roller body are respectively equipped with upper limit portion and lower limit portion, the wheel face entirety of described roller body, in arch, coordinates in the groove structure that described upper limit portion, wheel face and lower limit portion are formed and is provided with silica gel sheath; Described fixed axle sleeve comprises the external axle sleeve be located at the internal axle sleeve inside roller body and be located at outside roller body of integrated setting, and be provided with cooling mechanism between described internal axle sleeve and roller body, described external axle sleeve is provided with locking mechanism.
Preferably, the intermediate portion of the wheel face of described roller body is arch, and the arch foot of described arch and the wheel face between the upper edge of described roller body and lower edge are plane.
Preferably, described cooling mechanism is the some fins arranged between internal axle sleeve and roller body inner side surface, and described fin is that axle center is uniformly distributed with fixed axle sleeve.
Preferably, the locking mechanism on described external axle sleeve comprises the locking screw holes being located at external axle sleeve sidepiece.
Preferably, the hole wall of the axis hole of described external axle sleeve comprises arc surface and the plane being connected arc surface two end part respectively, the interplanar at described connection arc surface two end part is provided with opening, and described locking screw holes to be communicated with the axis hole space of described external axle sleeve by described opening and the sidewall of locking screw holes and described opening are equipped with.
Preferably, the central angle of described arc surface is 200 ° ~ 330 °.
The utility model provides a kind of belt pulley of optimizing structure, upper limit portion and lower limit portion are set respectively by the upper edge of the roller body at belt pulley and lower edge and are arch by wheel face whole installation, make upper limit portion, wheel face and lower limit portion form a groove structure, silica gel sheath is equipped with in groove structure, namely the roller body of belt pulley and the material of fixed axle sleeve can adopt any form, only need to ensure that the quality of silica gel sheath can ensure the quality of belt pulley entirety, significantly reduce the weight of belt pulley, reduce the cost of production of 2/3, improve the utilization efficiency of motor, simultaneously because wheel face have employed the structure of arch, namely the silica gel sheath after installing also overarches, ensure that the convenience that belt is installed and fixing reliability, by fixed axle sleeve being set to internal axle sleeve and the external axle sleeve of integration, between internal axle sleeve and roller body, cooling mechanism is set, ensure can dispel the heat in time in the process of belt pulley running, extend the working life of belt pulley, the working effect of belt pulley is better, external axle sleeve arranges locking mechanism, ensure that belt pulley is originally in by non-slip in the process of driven by motor, works reliably safer.
Accompanying drawing explanation
Fig. 1 is the plan view structural representation that the utility model removes silica gel sheath;
Fig. 2 is the plan view structural representation that the utility model removes silica gel sheath;
Fig. 3 is the stereogram structural representation that the utility model removes silica gel sheath;
Fig. 4 is the sectional view structural representation that the utility model removes silica gel sheath.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but protection domain of the present utility model is not limited to this.
As shown in the figure, the utility model relates to a kind of belt pulley, comprise roller body 1 and the fixed axle sleeve 2 of coaxial setting, the upper edge of described roller body 1 and lower edge are respectively equipped with upper limit portion 1-1 and lower limit portion 1-2, the wheel face 1-3 entirety of described roller body 1, in arch, coordinates in the groove structure that described upper limit portion 1-1, wheel face 1-3 and lower limit portion 1-2 are formed and is provided with silica gel sheath; Described fixed axle sleeve 2 comprises the external axle sleeve 2-2 being located at the internal axle sleeve 2-1 inside roller body 1 and being located at outside roller body 1 of integrated setting, and be provided with cooling mechanism 3 between described internal axle sleeve 2-1 and roller body 1, described external axle sleeve 2-2 is provided with locking mechanism 4.
In the utility model, the upper edge of the roller body 1 of belt pulley and lower edge arrange upper limit portion 1-1 and lower limit portion 1-2 respectively, upper limit portion 1-1 own, namely lower limit portion 1-2 and wheel face 1-3 forms a groove structure, may be used for arranging silica gel sheath, but silica gel sheath is set according to this configuration, there is belt easily to skid at work, the problem of easily skidding between the wheel face 1-3 of silica gel sheath itself and roller body 1, therefore be arch by wheel face 1-3 whole installation, make upper limit portion 1-1, wheel face 1-3 and lower limit portion 1-2 forms a groove structure, and bottom land, namely wheel face 1-3 entirety is arch, silica gel sheath is equipped with in groove structure, this pressure can be passed to adjacent wheel face 1-3 part when arch pressurized and prop up the sufficient power of distributing of arch, just can bear larger pressure, so the strength that arch can bear is heavier, a tension force is there is between the wheel face 1-3 of now silica gel sheath and roller body 1, non-slip between the wheel face 1-3 that can ensure silica gel sheath and roller body 1, simultaneously because the surface of contact entirety of the belt pulley and belt that install silica gel sheath is arch, make also to there is tension force between belt pulley and belt, ensured between belt pulley and belt non-slip, now the operation of belt pulley is safer, stable.
In the utility model, the roller body 1 of belt pulley and the material of fixed axle sleeve 2 can adopt any form, only need to ensure that the quality of silica gel sheath can ensure the quality of belt pulley entirety, be for the situation that silica gel or resin make relative to the roller body 1 of prior art, the utility model not only significantly reduces the weight of belt pulley, more reduce the cost of production of 2/3, also improve the utilization efficiency of motor.
In the utility model, generally, the roller body 1 of belt pulley and the material of fixed axle sleeve 2 adopt plastics can reach the desired effects of the utility model product.
In the utility model, fixed axle sleeve 2 is set to integrated internal axle sleeve 2-1 and external axle sleeve 2-2, internal axle sleeve 2-1 is located in roller body 1, and external axle sleeve 2-2 is located at outside roller body 1, is respectively used to solve belt pulley Problems existing in the operation of reality.
In the utility model, between internal axle sleeve 2-1 and roller body 1, arrange cooling mechanism 3 is that a large amount of heats transmits from machine shaft because belt pulley is in the process of running, deals with i.e. easy burn-out belt pulley improperly, even has influence on the power of motor, working life.Existing technology generally adopts the form arranging cooling device near belt pulley to complete the cooling of belt pulley, which results in the running not only needing to ensure belt pulley with power source, also need the running ensureing cooling device with power source, very not environmentally, also add actual use expenditure.The utility model directly arranges cooling mechanism 3 between internal axle sleeve 2-1 and roller body 1, and ensure that belt pulley can dispel the heat by timely, autonomous, spontaneous carrying out in the process of running, extend the working life of belt pulley and motor, the working effect of belt pulley is better.
In the utility model, relative to the form in prior art, axle sleeve directly being withstood on motor shaft with iron nail, the utility model directly arranges locking mechanism 4 on the external axle sleeve 2-2 of fixed axle sleeve 2, this structure not only ensure that belt pulley this in by non-slip in the process of driven by motor, work reliably safer, more ensure that the convenience of installation, once belt pulley goes wrong, it is more convenient to keep in repair or change.
The intermediate portion of the wheel face 1-3 of described roller body 1 is arch, and the arch foot of described arch and the wheel face 1-3 between the upper edge of described roller body 1 and lower edge are plane.
In the utility model, the wheel face 1-3 entirety of roller body 1 is in arch, if but the wheel face 1-3 of roller body 1 is set to arch completely, then can cause silica gel sheath that inconvenience is installed on the contrary, also more easily cause the skidding between belt pulley and belt simultaneously, therefore the intermediate portion of the wheel face 1-3 of roller body 1 is only set to arch by the utility model, in the sectional view of roller body 1, the both sides of arch are plane or hither plane, namely the arch foot of arch and the wheel face 1-3 between the upper edge of roller body 1 and lower edge are plane, this structure ensure that the wheel face 1-3 entirety of roller body 1 is constant in arch first, ensure that the convenience of the installation of silica gel sheath simultaneously, the plane of arch both sides is arranged so that silica gel sheath can be slid to suitable position rapidly, when further ensure that belt by belt pulley drive running, the wheel face 1-3 of roller body 1 there is the position of two " depressions ", the motion of belt is more stable, non-slip.
Described cooling mechanism 3 is the some fin 3-1 arranged between internal axle sleeve 2-1 and roller body 1 inner side surface, described fin 3-1 with fixed axle sleeve 2 for axle center is uniformly distributed.
In the utility model, in order to solve belt pulley in the process of running, a large amount of heats transmitted from rotating shaft, prevent that temperature is too high burns out belt pulley, even have influence on the working life of motor, cooling device must be set at belt pulley place, and in order to not ensure the running of cooling device with extra power source, the utility model arrange between internal axle sleeve 2-1 and roller body 1 inner side surface some with fixed axle sleeve 2 for the equally distributed fin 3-1 in axle center, when belt pulley carries out transmission work, belt pulley take motor shaft as axis rotation, now namely fin 3-1 also starts to operate, produce fan effect, help belt pulley heat radiation largely, also help motor radiating simultaneously, and do not use extra power source, safety and environmental protection, cost is lower, effective.
In the utility model, fin 3-1 is traditionally arranged to be 3 ~ 5, can complete the heat radiation operation in belt pulley work.
Locking mechanism 4 on described external axle sleeve 2-2 comprises the locking screw holes 4-1 being located at external axle sleeve 2-2 sidepiece.
In the utility model, directly carried out with motor shaft coordinating fixing by external axle sleeve 2-2, and locking mechanism 4 is for being arranged on the locking screw holes 4-1 of external axle sleeve 2-2 sidepiece, namely only need by overall for belt pulley from motor shaft on external axle sleeve 2-2 cover, and to reinforce in locking nut insertion locking screw holes 4-1.Motor shaft work does not act directly near roller body 1, and heat-dissipating amount is less, and the overall operation of belt pulley is safer stable.
The hole wall of the axis hole of described external axle sleeve 2-2 comprises arc surface and the plane being connected arc surface two end part respectively, the interplanar at described connection arc surface two end part is provided with opening, and described locking screw holes 4-1 to be communicated with the axis hole space of described external axle sleeve 2-2 by described opening and the sidewall of locking screw holes 4-1 and described opening are equipped with.
The central angle of described arc surface is 200 ° ~ 330 °.
In the utility model, the hole wall of the axis hole of external axle sleeve 2-2 comprises arc surface and the plane being connected arc surface two end part respectively, and two planes non-intersect, but be provided with opening at two interplanars, locking screw holes 4-1 to be communicated with the axis hole space of external axle sleeve 2-2 by opening and the sidewall of locking screw holes 4-1 and opening are equipped with, namely when the locking mechanism 4 on external axle sleeve 2-2 adopts lock screw insertion locking screw holes 4-1 to lock, the flank of thread of lock screw flushes with the opening of above-mentioned plane is in the same plane, namely the flank of thread of lock screw and motor shaft tangent, now motor shaft and external axle sleeve 2-2 are in the state of relative equilibrium, motor shaft can not dally, motor shaft and belt pulley are in the state of relative equilibrium, not easily skid, working efficiency is higher, job security is also higher.
In the utility model, the central angle of the arc surface in the hole wall of the axis hole of external axle sleeve 2-2 is arranged can be determined by the actual specification of lock screw and locking screw holes 4-1.Generally, central angle is set to 270 °.
The utility model solves in prior art, silica gel or resin-coating is often adopted to use as belt pulley as installing belt after the iron core of axle sleeve, and the large usage quantity of the silica gel first caused or resin, cost is very high, moreover overall weight is large, a large amount of energy can be consumed in belt operation, also the gimmick that belt is installed and tension force must be noted the moment for three in the process of installing, the too small easy skidding of surface of contact, the problem of the gradient excessive fragile belt and the bearing again of surface of contact, upper limit portion 1-1 and lower limit portion 1-2 is set respectively by the upper edge of the roller body 1 at belt pulley and lower edge and is arch by wheel face 1-3 whole installation, make upper limit portion 1-1, wheel face 1-3 and lower limit portion 1-2 forms a groove structure, silica gel sheath is equipped with in groove structure, namely the roller body 1 of belt pulley and the material of fixed axle sleeve 2 can adopt any form, only need to ensure that the quality of silica gel sheath can ensure the quality of belt pulley entirety, significantly reduce the weight of belt pulley, reduce the cost of production of 2/3, improve the utilization efficiency of motor, simultaneously because wheel face 1-3 have employed the structure of arch, namely the silica gel sheath after installing also overarches, ensure that the convenience that belt is installed and fixing reliability, by fixed axle sleeve 2 being set to internal axle sleeve 2-1 and the external axle sleeve 2-2 of integration, cooling mechanism 3 is set between internal axle sleeve 2-1 and roller body 1, ensure can dispel the heat in time in the process of belt pulley running, extend the working life of belt pulley, the working effect of belt pulley is better, external axle sleeve 2-2 arranges locking mechanism 4, ensure that belt pulley is originally in by non-slip in the process of driven by motor, works reliably safer.
Belt pulley of the present utility model greatly reduces cost of production, improves utilization efficiency, lightweight, rapid heat dissipation, and the more existing belt pulley of using effect is good.
Claims (6)
1. a belt pulley, comprise roller body and the fixed axle sleeve of coaxial setting, it is characterized in that: upper edge and the lower edge of described roller body are respectively equipped with upper limit portion and lower limit portion, the wheel face entirety of described roller body, in arch, coordinates in the groove structure that described upper limit portion, wheel face and lower limit portion are formed and is provided with silica gel sheath; Described fixed axle sleeve comprises the external axle sleeve be located at the internal axle sleeve inside roller body and be located at outside roller body of integrated setting, and be provided with cooling mechanism between described internal axle sleeve and roller body, described external axle sleeve is provided with locking mechanism.
2. a kind of belt pulley according to claim 1, is characterized in that: the intermediate portion of the wheel face of described roller body is arch, and the arch foot of described arch and the wheel face between the upper edge of described roller body and lower edge are plane.
3. a kind of belt pulley according to claim 1, is characterized in that: described cooling mechanism is the some fins arranged between internal axle sleeve and roller body inner side surface, and described fin is that axle center is uniformly distributed with fixed axle sleeve.
4. a kind of belt pulley according to claim 1, is characterized in that: the locking mechanism on described external axle sleeve comprises the locking screw holes being located at external axle sleeve sidepiece.
5. a kind of belt pulley according to claim 4, it is characterized in that: the hole wall of the axis hole of described external axle sleeve comprises arc surface and the plane being connected arc surface two end part respectively, the interplanar at described connection arc surface two end part is provided with opening, and described locking screw holes to be communicated with the axis hole space of described external axle sleeve by described opening and the sidewall of locking screw holes and described opening are equipped with.
6. a kind of belt pulley according to claim 5, is characterized in that: the central angle of described arc surface is 200 ° ~ 330 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420446685.8U CN204061816U (en) | 2014-08-09 | 2014-08-09 | A kind of belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420446685.8U CN204061816U (en) | 2014-08-09 | 2014-08-09 | A kind of belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061816U true CN204061816U (en) | 2014-12-31 |
Family
ID=52203336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420446685.8U Expired - Fee Related CN204061816U (en) | 2014-08-09 | 2014-08-09 | A kind of belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061816U (en) |
-
2014
- 2014-08-09 CN CN201420446685.8U patent/CN204061816U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20210809 |
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| CF01 | Termination of patent right due to non-payment of annual fee |