CN204871456U - Motorcycle shifter - Google Patents
Motorcycle shifter Download PDFInfo
- Publication number
- CN204871456U CN204871456U CN201520594605.8U CN201520594605U CN204871456U CN 204871456 U CN204871456 U CN 204871456U CN 201520594605 U CN201520594605 U CN 201520594605U CN 204871456 U CN204871456 U CN 204871456U
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- CN
- China
- Prior art keywords
- gear
- output
- grade
- output shaft
- lock groove
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Abstract
The utility model relates to a motorcycle shifter, including the input shaft, the output shaft, connect input shaft and a set of above gear drive group of output shaft, the shift fork, drive the shift fork cam of shift fork motion, gear drive group is including setting up at the epaxial input gear of input and setting up at the epaxial output gear of output, input gear, output gear is respectively including one grade of input gear, one grade of output gear, be provided with one grade of output gear's of joinable drive gear on the output shaft, the locking groove has been seted up on the output shaft, the last corresponding locking trench of drive gear is put and is seted up the existence of solution lockhole, it is provided with the steel ball to separate between lockhole and the locking groove, the degree of depth that highly is higher than the locking groove of steel ball, the degree of depth of separating the lockhole is greater than the height of steel ball. The utility model discloses an equitable setting of structure when having guaranteed the vehicle gear shift, must get into 1 grade earlier, and then get into 2 grades, 3 grades proper operation, can prevent user's maloperation, has guaranteed the safety of personnel and vehicle.
Description
Technical field
The utility model relates to a kind of gearshift of motor bike.
Background technology
The gearshift of motor cycle engine is a kind of technology of comparative maturity, common gearshift is after engine starting, and passable carries out gear-change operation, but a lot of user can in second gear or high-grade starting sometimes, hidden danger is brought to traffic safety, wearing and tearing are caused to engine clucht.
Summary of the invention
In order to overcome the above-mentioned deficiency of prior art, the utility model provides a kind of imperative operation person to start by neutral gear, and after starting, gear shift must be introduced into the motorcycle gear shifter of a grade.
The technical scheme in the invention for solving the technical problem is:
A kind of motorcycle gear shifter, comprise input shaft, output shaft, connect the gear transmission group of input shaft and output shaft more than one group, shift fork, drive the shift fork cam of shift fork motion, described gear transmission group comprises the input gear be arranged on input shaft and the output gear be arranged on output shaft, described input gear, output gear includes one grade of input gear respectively, one grade of output gear, described output shaft is provided with the transmission gear that can connect one grade of output gear, it is characterized in that: described output shaft offers lock groove, on described transmission gear, corresponding lock groove position offers unlock hole, steel ball is provided with between described unlock hole and lock groove, the height of described steel ball is higher than the degree of depth of lock groove, the degree of depth of described unlock hole is greater than the height of steel ball.
As preferably, lock groove, unlock hole are respectively arranged with three, and become 120 degree of distributions.
As preferably, the width of lock groove is at least transmission gear is slidably connected to one grade of output gear sliding distance by neutral state.
As preferably, transmission gear and output shaft spline joint, described lock groove is arranged on the spline tooth groove center of described output shaft, and described unlock hole is arranged on the spline tooth top center of described transmission gear.
As preferably, the guide channel line style coupling transmission gear sliding trace on shift fork cam.
One grade of output gear is arranged on output shaft by axle sleeve, namely when one grade of output gear rotates, do not drive output shaft rotation, shift fork is needed to be promoted to be connected with a joggle on one grade of output gear by transmission gear, and transmission gear and output shaft are synchronous axial system, then one grade of input gear drives one grade of output gear and transmission gear to rotate, and transmission gear drives output shaft rotation, realizes Power output.Stirring of transmission gear is realized by shift fork, and the motion of shift fork is realized by shift fork cam, and in shift process, shift fork cam rotates, and realizes gear shift.
In prior art, a lot of user in second gear or high-grade starting, can bring hidden danger to traffic safety, causes wearing and tearing to engine clucht.And the utility model can avoid this situation to occur.
The utility model is provided with lock groove, steel ball, unlock hole, when neutral gear, steel ball is positioned at lock groove, and be positioned at lock groove end, the corresponding lock groove of the unlock hole of transmission gear, during gear shift, due to the reason of steel ball and lock groove, transmission gear can only move to the lock groove other end the one grade of output gear that is connected with a joggle, namely can only one grade of starting.And in other cases, when shift cam drives fork that transmission gear is moved along output shaft to reversing sense, transmission gear can not move because steel ball stops at lock groove end.Transmission gear can not oppositely movement, namely can not second gear or high-grade starting.After one grade of starting, transmission gear rotates, and due to the effect of centnifugal force, steel ball is dumped in unlock hole, and now, transmission gear can be free to slide, and can enter second gear or other gears.Thus when ensure that Vehicular shift, 1 grade must be introduced into, and then enter the proper operation of 2 grades, 3 grades, can user misoperation be prevented, ensure that the safety of personnel and vehicle.
Lock groove, unlock hole are respectively arranged with three, and become 120 degree of circle distribution.The width of lock groove is at least transmission gear is slidably connected to one grade of output gear sliding distance by neutral state.Transmission gear and output shaft spline joint, described lock groove is arranged on the spline tooth groove center of output shaft, and unlock hole is arranged on the spline tooth top center of described transmission gear, and namely lock groove is corresponding with unlock hole position.
The utility model is by the cooperation of lock groove, steel ball, unlock hole, make when starting to walk, transmission gear can only move along some specific directions, the guide channel line style of one grade of output gear and shift fork cam is coordinated to arrange again, when then ensure that starting, transmission gear can only move by forward, when reversing sense moves, transmission gear can not move because steel ball stops at lock groove end, when ensure that Vehicular shift, 1 grade must be introduced into, and then enter the proper operation of 2 grades, 3 grades, can user misoperation be prevented, ensure that the safety of personnel and vehicle.
The beneficial effects of the utility model are: the utility model is by the rational setting of structure, when ensure that Vehicular shift, 1 grade must be introduced into, and then enter the proper operation of 2 grades, 3 grades, can user misoperation be prevented, ensure that the safety of personnel and vehicle.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Fig. 1, shown in 2, a kind of motorcycle gear shifter, comprise input shaft 1, output shaft 7, connect the gear transmission group of input shaft and output shaft more than one group, shift fork 10, drive the shift fork cam 13 of shift fork motion, shift fork 10 is arranged on declutch shift shaft 11, shift fork cam is arranged guide channel 12, gear transmission group comprises the input gear be arranged on input shaft and the output gear be arranged on output shaft, described input gear, output gear includes one grade of input gear 2 respectively, one grade of output gear 9, input shaft is provided with five grades of input gears 4, output shaft is provided with the transmission gear 8 that can connect one grade of output gear.One grade of output gear 9 is arranged on output shaft 7 by axle sleeve, namely when one grade of output gear rotates, do not drive output shaft rotation, shift fork is needed to be promoted to be connected with a joggle on one grade of output gear 9 by transmission gear 8, and transmission gear 8 and output shaft 7 are synchronous axial system, then one grade of input gear drives one grade of output gear and transmission gear to rotate, and transmission gear drives output shaft rotation, realizes Power output.Stirring of transmission gear is realized by shift fork 10, and the motion of shift fork is driven by declutch shift shaft 11, and declutch shift shaft slides in the guide channel 12 of shift fork cam 13, and in shift process, shift fork cam rotates, and realizes gear shift.
Output shaft 7 offers lock groove 3, and on transmission gear 8, corresponding lock groove position offers unlock hole 5, is provided with steel ball 6 between unlock hole 5 and lock groove 3, and the height of steel ball is higher than the degree of depth of lock groove, and the degree of depth of unlock hole is greater than the height of steel ball.Lock groove 3, unlock hole 5 are respectively arranged with three, and become 120 degree of circle distribution.The width of lock groove 3 is at least transmission gear is slidably connected to one grade of output gear sliding distance by neutral state.
Transmission gear 8 and output shaft 7 spline joint, described lock groove is arranged on the spline tooth groove center of described output shaft, and described unlock hole is arranged on the spline tooth top center of described transmission gear.Guide channel 12 line style coupling transmission gear sliding trace on shift fork cam.
In prior art, a lot of user in second gear or high-grade starting, can bring hidden danger to traffic safety, causes wearing and tearing to engine clucht.And the utility model can avoid this situation to occur.
The utility model is provided with lock groove 3, steel ball 6, unlock hole 5, when neutral gear, steel ball 6 is positioned at lock groove 3, and be positioned at lock groove end, the corresponding lock groove of unlock hole 5 of transmission gear, during gear shift, due to the reason of steel ball and lock groove, transmission gear can only move to the lock groove other end the one grade of output gear 9 that is connected with a joggle, namely can only one grade of starting.And in other cases, when shift cam drives fork 10 that transmission gear is moved along output shaft to reversing sense, transmission gear can not move because steel ball stops at lock groove end.Transmission gear 8 can not oppositely movement, namely can not second gear or high-grade starting.After one grade of starting, transmission gear rotates, and due to the effect of centnifugal force, steel ball 6 is dumped in unlock hole 5, and now, transmission gear can be free to slide, and can enter second gear or other gears.Thus when ensure that Vehicular shift, 1 grade must be introduced into, and then enter the proper operation of 2 grades, 3 grades, can user misoperation be prevented, ensure that the safety of personnel and vehicle.
Lock groove, unlock hole are respectively arranged with three, and become 120 degree of distributions.The width of lock groove 3 is at least transmission gear is slidably connected to one grade of output gear 9 sliding distance by neutral state.Transmission gear 8 and output shaft 7 spline joint, described lock groove 3 is arranged on the spline tooth groove center of output shaft 7, and unlock hole is arranged on the spline tooth top center of described transmission gear, and namely lock groove is corresponding with unlock hole position.
The utility model is by the cooperation of lock groove, steel ball, unlock hole, make when starting to walk, transmission gear can only move along some specific directions, the guide channel line style of one grade of output gear and shift fork cam is coordinated to arrange again, when then ensure that starting, transmission gear can only move by forward, when reversing sense moves, transmission gear can not move because steel ball stops at lock groove end, when ensure that Vehicular shift, 1 grade must be introduced into, and then enter the proper operation of 2 grades, 3 grades, can user misoperation be prevented, ensure that the safety of personnel and vehicle.
The utility model, by the rational setting of structure, when ensure that Vehicular shift, must be introduced into 1 grade, and then enter the proper operation of 2 grades, 3 grades, can prevent user misoperation, ensure that the safety of personnel and vehicle.
Claims (5)
1. a motorcycle gear shifter, comprise input shaft, output shaft, connect the gear transmission group of more than a group of input shaft and output shaft, shift fork, drive the shift fork cam of shift fork motion, described gear transmission group comprises the input gear be arranged on input shaft and the output gear be arranged on output shaft, described input gear, output gear includes one grade of input gear respectively, one grade of output gear, described output shaft is provided with the transmission gear that can connect one grade of output gear, it is characterized in that: described output shaft offers lock groove, on described transmission gear, corresponding lock groove position offers unlock hole, steel ball is provided with between described unlock hole and lock groove, the height of described steel ball is higher than the degree of depth of lock groove, the degree of depth of described unlock hole is greater than the height of steel ball.
2. a kind of motorcycle gear shifter according to claim 1, is characterized in that: described lock groove, unlock hole are respectively arranged with three, and becomes 120 degree of distributions.
3. a kind of motorcycle gear shifter according to claim 2, is characterized in that: the width of described lock groove is at least transmission gear is slidably connected to one grade of output gear sliding distance by neutral state.
4. a kind of motorcycle gear shifter according to claim 3, it is characterized in that: described transmission gear and output shaft spline joint, described lock groove is arranged on the spline tooth groove center of described output shaft, and described unlock hole is arranged on the spline tooth top center of described transmission gear.
5. a kind of motorcycle gear shifter according to claim 4, is characterized in that: the guide channel line style coupling transmission gear sliding trace on described shift fork cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594605.8U CN204871456U (en) | 2015-08-10 | 2015-08-10 | Motorcycle shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594605.8U CN204871456U (en) | 2015-08-10 | 2015-08-10 | Motorcycle shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204871456U true CN204871456U (en) | 2015-12-16 |
Family
ID=54815862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520594605.8U Expired - Fee Related CN204871456U (en) | 2015-08-10 | 2015-08-10 | Motorcycle shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204871456U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059466A (en) * | 2015-08-10 | 2015-11-18 | 宁波市龙嘉摩托车有限公司 | Gear shift mechanism for motorcycle |
| CN109178189A (en) * | 2018-11-05 | 2019-01-11 | 洛阳北方企业集团有限公司 | A kind of horizontal engine of motorcycle reverse gear position limiting structure |
| CN111587138A (en) * | 2018-01-11 | 2020-08-25 | 乐高公司 | Toy gear box |
| CN113090753A (en) * | 2021-03-31 | 2021-07-09 | 华为技术有限公司 | Shifting mechanism, two-gear shifting system and vehicle |
-
2015
- 2015-08-10 CN CN201520594605.8U patent/CN204871456U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059466A (en) * | 2015-08-10 | 2015-11-18 | 宁波市龙嘉摩托车有限公司 | Gear shift mechanism for motorcycle |
| CN111587138A (en) * | 2018-01-11 | 2020-08-25 | 乐高公司 | Toy gear box |
| CN111587138B (en) * | 2018-01-11 | 2022-01-11 | 乐高公司 | Toy gear box |
| CN109178189A (en) * | 2018-11-05 | 2019-01-11 | 洛阳北方企业集团有限公司 | A kind of horizontal engine of motorcycle reverse gear position limiting structure |
| CN109178189B (en) * | 2018-11-05 | 2024-04-16 | 洛阳北方企业集团有限公司 | Reverse gear limiting structure of horizontal engine of motorcycle |
| CN113090753A (en) * | 2021-03-31 | 2021-07-09 | 华为技术有限公司 | Shifting mechanism, two-gear shifting system and vehicle |
| CN113090753B (en) * | 2021-03-31 | 2022-07-22 | 华为数字能源技术有限公司 | Gearshift, two grades of gearshift systems and vehicle |
| US11933396B2 (en) | 2021-03-31 | 2024-03-19 | Huawei Digital Power Technologies Co., Ltd. | Gear shifting mechanism, two-speed gearbox, and vehicle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20190810 |