CN205173413U - Motorcycle and driven sprocket thereof - Google Patents
Motorcycle and driven sprocket thereof Download PDFInfo
- Publication number
- CN205173413U CN205173413U CN201520917795.2U CN201520917795U CN205173413U CN 205173413 U CN205173413 U CN 205173413U CN 201520917795 U CN201520917795 U CN 201520917795U CN 205173413 U CN205173413 U CN 205173413U
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- CN
- China
- Prior art keywords
- sprocket
- driven sprocket
- sprocket body
- motorcycle
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model provides a motorcycle and driven sprocket thereof, include sprocket body (1) and be located sprocket tooth (2) on sprocket body (1) outer circumference, the axle center region of sprocket body (1) has pivot connecting hole (3), pivot connecting hole (3) one side has the spacing arch with the contact of the inner circle of motorcycle bearing, still including being located air channel (4) that sprocket body (1) circumference outside, edge circumferencial direction set up. Rotating the in -process, air channel (4) form the air runner, and the heat of tooth and chain cooperation friction production is taken away in the air flow, reduces the temperature of tooth and chain, simultaneously, air flow in the air runner still can discharge the silt that drops on on tooth, prevents that the sedimentation is on tooth and increase friction or destroy tooth.
Description
Technical field
The utility model relates to motorcycle accessories technical field, particularly a kind of motorcycle and driven sprocket thereof.
Background technique
Owing to not having elasticity sliding motion and skidding in transmission process, and the advantage such as transmission power is comparatively large, overload capacity is strong, Chain conveyer is widely used in that the transmission power load such as motorcycle are lower to be waited in the traffic tool.In motorcycle, drive sprocket is dragged by motor, and by drive chain by transmission of power to driven sprocket; The driving wheel of driven sprocket and motorcycle is fixedly installed, and drives driving wheel to rotate; Wherein realize one of critical piece that power effectively transmits during follower.
Consider the convenience of processing, existing drive sprocket side is plane.In motorcycle running, the heat that when engaging between chain and sprocket wheel teeth, sliding friction produces can destroy the durability degree of teeth.For increasing air flowing, realizing the abundant heat radiation of sprocket wheel and improving working life, the chain of existing motorcycle and driven sprocket is many directly exposes setting.But such structural design also creates a corresponding problem: in running process, driving wheel rotates friction and the fitting surface that the silt taken up can enter into teeth and chain, the degree of friction of both increases and produce larger heat.
Therefore, how providing a kind of driven sprocket of novel structure to eliminate the frictional heat of driven sprocket teeth in running, to improve the durability degree of sprocket wheel teeth, is one of those skilled in the art's problem needing solution badly.
Model utility content
For solving the problem that existing driven gear causes sprocket wheel teeth durability degree poor because thermal diffusivity is poor, the utility model provides a kind of new driven sprocket.
The utility model provides a kind of driven sprocket, comprises sprocket body and is positioned at the sprocket wheel teeth on described sprocket body excircle; The central core region of described sprocket body has rotating shaft attachment hole; Described rotating shaft attachment hole side has the spacing preiection contacted with the inner ring of motorcycle bearing; Also comprise the vent slot being positioned at described sprocket body outer circumferential, along the circumferential direction arranging.
Optionally, described rotating shaft attachment hole is the rotating shaft attachment hole with spline.
Optionally, described sprocket body also has the tapped hole extended vertically.
Optionally, described sprocket body have at least two described tapped holes; Described tapped hole be evenly distributed on described sprocket body axle center for the center of circle circumferentially.
Optionally, from the connecting end be connected with described sprocket body to free end, described sprocket wheel teeth thickness reduces gradually.
Optionally, described sprocket tooth tooth surface has oxidation ceramic layer.
The utility model also provides a kind of motorcycle, comprises adhesion wheel, drive chain, driving shaft and two bearings; Described driving shaft connects described adhesion wheel and two described bearings; Also comprise foregoing driven sprocket; Be rotationally connected hole described in described driven sprocket passes through be fixedly connected with described driving shaft and be positioned between described adhesion wheel and a described bearing; The inner ring of the adjacent described bearing of described spacing preiection contact; Described drive chain and described sprocket wheel teeth engagement fit.
The driven sprocket that the utility model provides, the vent slot state sprocket body outer circumferential, along the circumferential direction arranging.In rotation process, vent slot forms air flow channel, and teeth and the fricative heat of chain interoperation are taken away in air flowing, reduce the temperature of teeth and chain; Meanwhile, the silt dropped in teeth also can be blown discharge by the air draught in air flow channel, prevents sedimentation from teeth, increasing friction or destroy teeth.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the driven sprocket structural representation in the utility model embodiment;
Wherein: 1-sprocket body, 2-sprocket wheel teeth, 3-rotating shaft attachment hole, 4-vent slot, 5-spline, 6-tapped hole.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As the driven sprocket structural representation that Fig. 1, Fig. 1 are in the utility model embodiment.The sprocket wheel teeth 2 that driven sprocket in the utility model comprises sprocket body 1 and is positioned on sprocket body 1 excircle; Have rotating shaft attachment hole 3 at the central core region of sprocket body 1, rotating shaft attachment hole 3 is for being fixedly connected with the bearing at adhesion wheel place in motorcycle; In addition, have the spacing preiection contacted with bearing inner race in the side of bearing attachment hole, spacing preiection makes sprocket body 1 be separated with the outer ring of bearing, prevents motorcycle running link body and bearing outer ring friction and affects transmission efficiency.
Unlike the prior art, in sprocket body 1 outer circumferential, the vent slot 4 that along the circumferential direction arranges.In driven sprocket and chain interoperation rotation process, near vent slot 4 inside chain.In rotation process, vent slot 4 forms air flow channel, and teeth and the fricative heat of chain interoperation are taken away in air flowing, reduce the temperature of teeth and chain; Meanwhile, the silt dropped in teeth also can be discharged by the air draught in air flow channel, prevents sedimentation from teeth, increasing friction or destroy teeth.
As can be seen from Figure 1, in the embodiment that accompanying drawing provides, rotating shaft attachment hole 3, for having the rotating shaft attachment hole 3 of spline 5, utilizes the clamping effect driving torque of spline 5 and driving shaft upper spline.Certainly, in other embodiments, rotating shaft attachment hole 3 also can be conventional circular attachment hole, and adopts the Placement of interference fit to be fixed on driving shaft.
For improving the rotation conformity of driven sprocket and motorcycle main driving wheel, the efficiency that raising moment is transmitted, the stress reducing driving shaft are concentrated and wearing and tearing, sprocket body 1 also has the tapped hole 6 extended vertically, is threaded connection the formation integrative-structure that driven sprocket and motorcycle main driving wheel to be fixed together.As can be seen from Figure 1, in accompanying drawing embodiment, sprocket body 1 has two tapped holes, 6, two tapped holes 6 be positioned at sprocket body 1 axle center for the center of circle circumferentially, ensure moment transmit uniformity.But should expect, the quantity of tapped hole 6 also can more than two, and it is preferably concentric setting.
In an embodiment, from the connecting end be connected with sprocket body to free end, the thickness of sprocket wheel teeth 2 reduces gradually, so as to improve with Position location accuracy during chain interoperation, reduce to coordinate and impact.
For improving the wear resistance of sprocket wheel teeth 2, in the utility model one embodiment, the surface of sprocket wheel teeth 2 also has oxidation ceramic layer, improves its wear resistance and resistance to heat.
Just drive sprocket processing method of the present utility model does simple introduction below, first rotating shaft attachment hole 3 and spacing preiection is formed at the enterprising driving Milling Machining of blank, secondly adopt sprocket hob or numerical control machine tool turnning and milling sprocket wheel teeth 2, finally put in electrolytic solution and carry out electrolysis coating oxidation ceramic layer.
The utility model is except providing above-mentioned driven sprocket, a kind of motorcycle is also provided, except comprising above-mentioned driven sprocket, also comprise adhesion wheel, drive chain, driving shaft and two bearings, driving shaft connects adhesion wheel and bearing, driven sprocket is fixedly connected with driving shaft and is positioned between adhesion wheel and a bearing by being rotationally connected hole, the inner ring of the spacing preiection contact bearing of driven sprocket, drive chain and sprocket wheel teeth 2 engagement fit.
Above the motorcycle in the utility model embodiment and driven sprocket thereof are described in detail.Apply specific case herein to set forth principle of the present utility model and mode of execution; the explanation of above embodiment just understands core concept of the present utility model for helping; when not departing from the utility model principle; also can carry out some improvement and modification to the utility model, these improve and modify and also fall in protection domain of the present utility model.
Claims (7)
1. a driven sprocket, comprises sprocket body (1) and is positioned at the sprocket wheel teeth (2) on described sprocket body (1) excircle; The central core region of described sprocket body (1) has rotating shaft attachment hole (3); Described rotating shaft attachment hole (3) side has the spacing preiection contacted with the inner ring of motorcycle bearing; It is characterized in that: also comprise the vent slot (4) being positioned at described sprocket body (1) outer circumferential, along the circumferential direction arranging.
2. driven sprocket according to claim 1, is characterized in that: described rotating shaft attachment hole (3) is for having the rotating shaft attachment hole (3) of spline (5).
3. driven sprocket according to claim 1 and 2, is characterized in that: described sprocket body (1) also has the tapped hole (6) extended vertically.
4. driven sprocket according to claim 3, is characterized in that: described sprocket body (1) has at least two described tapped holes (6); Described tapped hole (6) be evenly distributed on described sprocket body (1) axle center be the center of circle circumferentially.
5. driven sprocket according to claim 4, is characterized in that: from the connecting end be connected with described sprocket body (1) to free end, and described sprocket wheel teeth (2) thickness reduces gradually.
6. driven sprocket according to claim 5, is characterized in that: described sprocket wheel teeth (2) surface has oxidation ceramic layer.
7. a motorcycle, comprises adhesion wheel, drive chain, driving shaft and two bearings; Described driving shaft connects described adhesion wheel and two described bearings; It is characterized in that: also comprise the driven sprocket as described in any one of claim 1-6; Described driven sprocket is fixedly connected with described driving shaft by described rotating shaft attachment hole (3) and is positioned between described adhesion wheel and a described bearing; The inner ring of the adjacent described bearing of described spacing preiection contact; Described drive chain and described sprocket wheel teeth (2) engagement fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917795.2U CN205173413U (en) | 2015-11-17 | 2015-11-17 | Motorcycle and driven sprocket thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917795.2U CN205173413U (en) | 2015-11-17 | 2015-11-17 | Motorcycle and driven sprocket thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173413U true CN205173413U (en) | 2016-04-20 |
Family
ID=55737408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520917795.2U Expired - Fee Related CN205173413U (en) | 2015-11-17 | 2015-11-17 | Motorcycle and driven sprocket thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043630A (en) * | 2019-05-17 | 2019-07-23 | 广东赛纳德智能装备有限公司 | A kind of helical gear with clearance position |
-
2015
- 2015-11-17 CN CN201520917795.2U patent/CN205173413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043630A (en) * | 2019-05-17 | 2019-07-23 | 广东赛纳德智能装备有限公司 | A kind of helical gear with clearance position |
| CN110043630B (en) * | 2019-05-17 | 2024-02-06 | 广东赛纳德智能装备有限公司 | Helical gear with clearance gap |
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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: 20160420 Termination date: 20181117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |