CN210822591U - Straddle type electric vehicle rear wheel fixing mechanism - Google Patents
Straddle type electric vehicle rear wheel fixing mechanism Download PDFInfo
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- CN210822591U CN210822591U CN201921573246.2U CN201921573246U CN210822591U CN 210822591 U CN210822591 U CN 210822591U CN 201921573246 U CN201921573246 U CN 201921573246U CN 210822591 U CN210822591 U CN 210822591U
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- dish
- rear wheel
- calliper
- stopping
- eccentric wheel
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Abstract
The utility model discloses a straddle type electric motor car rear wheel fixed establishment, including the rear axle, the outside from the front of rear axle is equipped with eccentric wheel and rear wheel toward the axle cover in proper order, and the outside cover of eccentric wheel is equipped with unilateral back chain stay, and the epaxial dish that is equipped with of rear axle is stopped to the dish, and the dish is stopped the dish and is located between eccentric wheel and the rear wheel, and one side that the eccentric wheel is close to the dish and is stopped the dish is equipped with the dish calliper of stopping, and the dish calliper of stopping contacts with the outward flange that the dish was stopped to the dish, and the dish calliper of stopping links to each other with unilateral back chain stay. The utility model provides a straddle type electric motor car rear wheel fixed establishment, rear wheel and rear wheel axle pass through the eccentric wheel and install on unilateral back chain stay, and the elasticity of adjustable rear wheel has effectively guaranteed the stability of the belt conveying that matches with the rear wheel, has guaranteed the stability of rear wheel and electric motor car overall movement, and the design of unilateral back chain stay has not only greatly reduced the holistic weight of rear wheel, has effectively improved the speed of traveling of rear wheel, and the dismouting and the maintenance of the rear wheel of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the electric motor car, specifically say so, relate to a straddle type electric motor car rear wheel fixed establishment.
Background
With the increasing importance of the current society on the environmental protection and energy conservation issues, the electric vehicle plays an increasingly important role in public travel as a green energy-saving and emission-reduction vehicle. At present, electric vehicles have been widely used by consumers as daily vehicles. The rear wheel of the electric vehicle is one of the main parts of the electric vehicle, and the rear wheel of the electric vehicle is easy to wear and needs to be replaced at regular intervals, so that the convenience of dismounting the rear wheel is more and more concerned by people.
The straddle type electric vehicle is a common electric vehicle type, and the rear wheel of the conventional straddle type electric vehicle usually adopts a double-rocker-arm frame type rear bottom fork, so that the whole weight of the rear wheel is heavier, the running speed of the rear wheel is influenced, the rear wheel is inconvenient to disassemble, assemble and maintain, and the use of the electric vehicle is influenced.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that prior art exists, the utility model aims at providing a straddle type electric motor car rear wheel fixed establishment.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides a straddle type electric motor car rear wheel fixed establishment, includes the rear axle, the outside of rear axle is from preceding to back in proper order the axial bush be equipped with eccentric wheel and rear wheel, the outside cover of eccentric wheel is equipped with unilateral back chain stay, the epaxial dish of stopping that is equipped with of rear axle, the dish is stopped the dish and is located between eccentric wheel and the rear wheel, one side that the eccentric wheel is close to the dish and stops the dish is equipped with dish calliper of stopping, the dish calliper of stopping contacts with the outward flange that the dish stopped the dish, just the dish calliper of stopping links to each other with unilateral back chain stay, one side that the rear wheel was kept away from to the eccentric wheel is equipped with the belt pulley mount pad.
The utility model provides an embodiment, including dish calliper fixed bolster of stopping and the calliper switching fixed bolster of stopping of dish, the dish calliper fixed bolster cover of stopping is located the eccentric wheel towards the dish one side of stopping the dish, the dish calliper of stopping is fixed in on the calliper fixed bolster of stopping the dish, the dish is stopped the one end of calliper switching fixed bolster and is stopped the calliper fixed bolster with the dish and link to each other, and the other end links to each other with unilateral back chain stay, the dish calliper of stopping is stopped the calliper fixed bolster through the dish and is stopped calliper switching fixed bolster and dish and unilateral back chain stay and.
In one embodiment, the rear end of the rear wheel shaft is provided with an end seal, and the end seal is positioned on one side of the rear wheel far away from the disc brake disc.
According to one embodiment, two ends of the inner portion of the eccentric wheel are respectively provided with a bearing matched with the eccentric wheel and the rear wheel shaft, and the outer end of the bearing is provided with an oil seal and a hoop.
According to the preferable scheme, a bearing arranged at one end, close to the disc brake disc, of the eccentric wheel is a needle roller bearing without an inner ring, and a bearing arranged at one end, far away from the disc brake disc, of the eccentric wheel is a deep groove ball rolling bearing.
In one embodiment, a gasket is arranged at the front end of the rear wheel shaft and is positioned on one side, away from the eccentric wheel, of the belt pulley mounting seat.
Compared with the prior art, the utility model has the advantages of:
the utility model provides a straddle type electric motor car rear wheel fixed establishment, rear wheel and rear axle pass through the eccentric wheel and install on unilateral back chain stay, the elasticity of adjustable rear wheel, the stability of the belt conveying of matching with the rear wheel has effectively been guaranteed, the stability of rear wheel and electric motor car overall movement has been guaranteed, the design of unilateral back chain stay, not only greatly reduced the holistic weight of rear wheel, the speed of traveling of rear wheel has effectively been improved, and be convenient for the dismouting and the maintenance of rear wheel, and simultaneously, be equipped with the dish mechanism of stopping (dish of stopping + dish calliper) on the rear axle, make the vehicle driving in-process rear wheel have the brake function, and sensitivity is good, easily maintain, driving safety has been guaranteed, and the safety is good, moreover, the steam generator is simple in structure, high durability and convenient use, and is suitable for industrial production, and has the value.
Drawings
Fig. 1 is a schematic structural view of a rear wheel fixing mechanism of a straddle-type electric vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another perspective of the rear wheel fixing mechanism of the straddle-type electric vehicle according to the embodiment of the present invention;
FIG. 3 is an exploded view of a rear wheel securing mechanism of a straddle-type electric vehicle according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the rear wheel fixing mechanism of the straddle-type electric vehicle without the single-side rear fork in the embodiment of the present invention;
FIG. 5 is a schematic structural view of a rear wheel fixing mechanism of the straddle-type electric vehicle with a rear wheel removed according to an embodiment of the present invention;
FIG. 6 is a schematic view of the installation positions of the needle roller bearing without inner ring, the deep groove ball rolling bearing, the oil seal and the clamp in the embodiment of the present invention;
fig. 7 is an installation schematic diagram of a rear wheel shaft and a disc brake disc in the embodiment of the invention;
the numbers in the figures are as follows: 1. a rear wheel axle; 1-1, and a shaft body 1-1; 1-2 and a mounting part 1-2; 2. an eccentric wheel; 3. a rear wheel; 4. a single-side rear bottom fork; 5. a disc brake disc; 6. a disc brake caliper; 7. a belt pulley mounting seat; 8. a rear wheel fixing bolt; 9. a rear wheel limit screw sleeve; 10. a disc brake disc fixing bolt; 11. a disc brake disc fixing nut; 12. the eccentric wheel is used for fixing the bolt; 13. a disc brake caliper fixing bracket; 14. the disc brake caliper is connected with the fixed bracket in a switching way; 15. a fixing bracket fixing bolt; 16. a transfer bracket fixing bolt; 17. end sealing; 18. end seal fixing nuts; 19. a needle bearing without an inner ring; 20. deep groove ball rolling bearings; 21. oil sealing; 22. clamping a hoop; 23. a gasket; 23-1, thick gasket; 23-2, a shim; 24. self-locking nut.
Detailed Description
The technical solution of the present invention will be further clearly and specifically described below with reference to the following embodiments and the accompanying drawings.
Examples
As shown in fig. 1 to 7: the utility model provides a pair of straddle type electric motor car rear wheel fixed establishment, including rear axle 1, the outside backward in proper order axial cover of rear axle 1 is equipped with eccentric wheel 2 and rear wheel 3, the outside cover of eccentric wheel 2 is equipped with unilateral back chain stay 4, be equipped with the dish on the rear axle 1 and stop a set 5, the dish is stopped a set 5 and is located between eccentric wheel 2 and the rear wheel 3, one side that eccentric wheel 4 is close to dish and is stopped a set 5 is equipped with dish calliper 6 of stopping, dish calliper 6 of stopping contacts with the outward flange of dish 4 of stopping, just dish calliper 6 of stopping links to each other with unilateral back chain stay 4, one side that rear wheel 3 was kept away from to eccentric wheel 2 is equipped with belt pulley mount pad 7, 7 covers of belt pulley mount pad are located on the rear axle 1.
When the rear wheel brake device is installed, the rear wheel 3 and the disc brake disc 5 are installed on the rear wheel shaft 1, the eccentric wheel 2 is installed on the single-side rear bottom fork 4, the disc brake caliper 6 is arranged on one side, close to the disc brake disc 5, of the eccentric wheel 2, the rear wheel shaft 1 is installed in the eccentric wheel 2, the rear wheel 3 and the rear wheel shaft 1 are installed on the single-side rear bottom fork 4 together through the eccentric wheel 2, the disc brake caliper 6 is in contact with the outer edge of the disc brake disc 5, the disc brake caliper 6 is connected with the single-side rear bottom fork 4 simultaneously, then the belt disc installation seat 7 is arranged on one side, far away from the rear wheel 3, of the eccentric wheel 2, when the rear wheel brake device is used, the disc brake caliper 6 is connected with a handlebar through the oil pipe, so that rear wheel braking is achieved through the handlebar, the disc brake caliper 6 and the disc brake disc 5, driving safety is effectively guaranteed, when the rear wheel brake device is used, the belt disc is, The installation of the belt pulley belongs to the mature technology, and the description is omitted. The utility model discloses a rear wheel installation mechanism only is equipped with single rocker arm formula's unilateral back chain stay 4, compares in traditional two rocker arm frame-type's back chain stay, and overall light in weight, simple structure can effectively improve the speed of traveling of rear wheel, and in addition, when the rear wheel was changed in the dismouting, can directly pull down the rear wheel, need not to pull down back chain stay, dismouting, easy maintenance.
In the utility model, the rear wheel 3 and the disc brake disc 5 are detachably mounted on the rear wheel shaft 1, specifically, as shown in fig. 3 and 7, the rear wheel shaft 1 comprises a shaft body 1-1 and a mounting part 1-2 on the shaft body 1-1, when in use, for the rear wheel 3, a rear wheel fixing bolt 8 and a rear wheel limit screw sleeve 9 are mounted on the mounting part 1-2, and the rear wheel 3 is mounted and limited on the rear wheel shaft 1 through the rear wheel fixing bolt 8 and the rear wheel limit screw sleeve 9; correspondingly, for the disc brake 5, the disc brake 5 can be mounted on the rear wheel shaft 1 by the disc brake fixing bolt 10 and the disc brake fixing nut 11.
The utility model discloses in, eccentric wheel 2 can be dismantled with unilateral back chain stay 4 and be connected, and concrete combination picture 3 is shown, and 2 accessible eccentric wheel fixing bolt 12 detachable of eccentric wheel are fixed in on the unilateral back chain stay 4.
It is visible to combine fig. 3, fig. 4, fig. 5, rear wheel fixed establishment includes that the dish is stopped calliper fixed bolster 13 and dish and is stopped calliper switching fixed bolster 14, the dish is stopped calliper fixed bolster 13 cover and is located eccentric wheel 2 towards the dish and stops one side of dish 5, the dish is stopped calliper 6 and is fixed in the dish and is stopped on calliper fixed bolster 13 (the dish is stopped calliper 6 and is stopped calliper fixed bolster 13 through the dish and install on eccentric wheel 2 promptly), the one end and the dish of calliper fixed bolster 13 of stopping calliper switching fixed bolster 14 of dish are linked to each other, and the other end links to each other with unilateral back chain stay 4, the dish is stopped calliper 6 and is stopped calliper switching fixed bolster 14 and unilateral back chain stay 4 through the dish and link. During the installation, stop calliper fixed bolster 13 cover with the dish and locate eccentric wheel 2 towards the dish on the excircle of the one side of stopping dish 5 to on being fixed in dish calliper 6 of stopping through fixed bolster fixing bolt 15, it can to install on unilateral back chain stay 4 through switching support fixing bolt 16 together with dish calliper switching fixed bolster 14 of stopping again.
The rear end of the rear wheel shaft 1 is provided with an end seal 17, the end seal 17 is positioned on one side of the rear wheel 3 far away from the disc brake 5, when in installation, the rear wheel 3 is installed on the rear wheel shaft 1, then the end seal 17 is installed at the tail end of the rear wheel shaft 1, and the end seal 17 can be fixed by an end seal fixing nut.
Referring to fig. 3 and 6, two ends of the inside of the eccentric wheel 2 are respectively provided with bearings adapted to the eccentric wheel 2 and the rear wheel shaft 1, and the bearings are universal parts, specifically, in this embodiment, the bearing arranged at one end of the eccentric wheel 2 close to the disc brake disc 5 is an inner-ring-free needle bearing 19 (preferably an open inner-ring-free needle bearing), and the bearing arranged at one end far away from the disc brake disc 5 is a deep groove ball rolling bearing 20, so as to arrange the rear wheel shaft 1 on the eccentric wheel 2. In addition, the outer ends of the two bearings 19 and 20 are respectively provided with an oil seal 21 and a clamp 22, so that the lubricating oil used at the positions of the eccentric wheel 2 and the bearings 19 and 20 is sealed, oil leakage is prevented, and the bearings 19 and 20 are fixed.
Referring to fig. 1 and 3, a gasket 23 is arranged at the front end of the rear wheel shaft 1, and the gasket 23 is positioned on one side of the belt pulley mounting seat 7 away from the eccentric wheel 2. Specifically, the gasket 23 may include a thick gasket 23-1 and a thin gasket 23-2, and when the gasket 2 is installed, the gasket is installed at the front end of the rear axle 1 and is fixed by the self-locking nut 24.
It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a straddle type electric motor car rear wheel fixed establishment which characterized in that: including the rear axle, the outside from preceding backward in proper order axial sleeve of rear axle is equipped with eccentric wheel and rear wheel, the outside cover of eccentric wheel is equipped with unilateral back chain stay, the last dish of stopping that is equipped with of rear axle, the dish is stopped the dish and is located between eccentric wheel and the rear wheel, one side that the eccentric wheel is close to the dish and stops the dish is equipped with the dish calliper of stopping, the dish calliper of stopping contacts with the dish outward flange that the dish stopped the dish, just the dish calliper of stopping links to each other with unilateral back chain stay, one side that the rear wheel was kept away from to the eccentric wheel is equipped with the belt pulley mount pad, the belt pulley mount pad cover.
2. The rear wheel securing mechanism for a straddle-type electric vehicle according to claim 1, wherein: including dish calliper fixed bolster of stopping and dish calliper switching fixed bolster of stopping, the dish calliper fixed bolster cover of stopping is located the eccentric wheel towards the dish one side of stopping the dish, the dish calliper of stopping is fixed in on the calliper fixed bolster of stopping the dish, the dish calliper switching fixed bolster of stopping one end and dish are stopped the calliper fixed bolster and are linked to each other, and the other end links to each other with unilateral back chain stay, the dish calliper of stopping is stopped calliper fixed bolster and dish through the dish and is stopped calliper switching fixed bolster and unilateral back chain stay and link to each other.
3. The rear wheel securing mechanism for a straddle-type electric vehicle according to claim 1, wherein: the rear end of the rear wheel shaft is provided with an end seal, and the end seal is positioned on one side of the rear wheel far away from the disc brake disc.
4. The rear wheel securing mechanism for a straddle-type electric vehicle according to claim 1, wherein: and bearings matched with the eccentric wheel and the rear wheel shaft are respectively arranged at two ends of the interior of the eccentric wheel, and an oil seal and a clamp are arranged at the outer ends of the bearings.
5. The rear wheel securing mechanism for a straddle-type electric vehicle according to claim 1, wherein: the front end of the rear wheel shaft is provided with a gasket, and the gasket is positioned on one side of the belt pulley mounting seat far away from the eccentric wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573246.2U CN210822591U (en) | 2019-09-20 | 2019-09-20 | Straddle type electric vehicle rear wheel fixing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573246.2U CN210822591U (en) | 2019-09-20 | 2019-09-20 | Straddle type electric vehicle rear wheel fixing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210822591U true CN210822591U (en) | 2020-06-23 |
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ID=71276870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921573246.2U Active CN210822591U (en) | 2019-09-20 | 2019-09-20 | Straddle type electric vehicle rear wheel fixing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210822591U (en) |
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2019
- 2019-09-20 CN CN201921573246.2U patent/CN210822591U/en active Active
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