CN112324789A - Rear axle structure and mounting method - Google Patents
Rear axle structure and mounting method Download PDFInfo
- Publication number
- CN112324789A CN112324789A CN202011204613.9A CN202011204613A CN112324789A CN 112324789 A CN112324789 A CN 112324789A CN 202011204613 A CN202011204613 A CN 202011204613A CN 112324789 A CN112324789 A CN 112324789A
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- Prior art keywords
- rear wheel
- adjusting block
- rear axle
- wheel shaft
- axle
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B37/00—Wheel-axle combinations, e.g. wheel sets
- B60B37/10—Wheel-axle combinations, e.g. wheel sets the wheels being individually rotatable around the axles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0037—Special features of coaxial shafts, e.g. relative support thereof
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The invention discloses a rear wheel shaft structure and an installation method, wherein the rear wheel shaft structure comprises a rear wheel shaft, a rear rocker arm, a chain wheel seat combination, a rear wheel rim combination, a rear wheel right bushing, a caliper bracket, a right adjusting block, a wheel shaft fastening nut and a fastening piece for limiting the rear wheel rim combination in the front and back directions; the rear wheel axle is of an integrally formed pipe structure, and a left adjusting block is fixed at the left end of the rear wheel axle. The rear wheel shaft adopts an integrally formed pipe structure, the manufacturing process is simple, and the straightness of a finished product is good; compared with the traditional solid shaft, the tubular shaft with larger diameter can be adopted under the equal mass, and the bearing strength is better. Therefore, the rear axle structure provided by the invention improves the rear axle, simplifies the process manufacturing process and solves the problem in the field at the present stage.
Description
Technical Field
The invention relates to the technical field of motorcycle parts, in particular to a rear wheel axle structure and an installation method.
Background
In recent years, with the continuous development of large-displacement motorcycles, the selection of motorcycle axles is more and more prone to the selection of large diameter and light weight, and meanwhile, the feasibility of the production process needs to be considered.
In the prior art, the conventional rear wheel axle adopts a mode of upsetting the head of a bolt by a solid shaft and a head, namely a hexagonal head wheel axle, and the axial limit of the hexagonal head wheel axle is realized by pressing an adjusting block; and the regulating block is designed symmetrically and is only suitable for a single vehicle type.
The hexagonal head wheel shaft needs to be finely processed, the perpendicularity between a processing pressing surface and the axis of a long shaft is not easy to guarantee, and the process is complex; and the adjusting block and the wheel shaft are in clearance fit, and the adjusting block and the rear rocker sliding groove are also in clearance fit, so that high requirements are provided for the diameter and straightness accuracy of the hexagonal head wheel shaft. When the number of teeth (the number of teeth T +/-2) of the chain wheel is changed to adjust the power performance, the increase of the center distance is reduced (according to the current 520525 specification chain) by +/-8 mm, and the influence is large.
Therefore, how to improve the rear wheel axle to simplify the manufacturing process is a difficult problem to be solved in the field at the present stage.
Disclosure of Invention
In view of the above, the present invention provides a rear axle structure, which improves a rear axle, simplifies a manufacturing process, and solves the problem in the field at the present stage.
The invention also aims to provide a rear axle structure mounting method, which is applied to the rear axle structure, so that the rear axle is improved, and the process manufacturing process is simplified.
A rear wheel shaft structure comprises a rear wheel shaft, a rear rocker arm, a chain wheel seat combination, a rear wheel rim combination, a rear wheel right bushing, a caliper support, a right adjusting block, a wheel shaft fastening nut and a fastening piece, wherein the rear wheel shaft, the rear rocker arm, the chain wheel seat combination, the rear wheel rim combination, the rear wheel right bushing, the caliper support, the right adjusting block and the wheel shaft fastening nut are sequentially assembled; the rear wheel shaft is of an integrally formed pipe structure, and a left adjusting block is fixed at the left end of the rear wheel shaft.
Preferably, in the rear axle structure, the left adjusting block is provided with a threaded hole, and the outer peripheral surface of the left end of the rear axle is provided with an external thread matched with the threaded hole.
Preferably, in the rear axle structure, the left adjusting block and the rear axle are fixed by thread connection after being coated with thread glue.
Preferably, in the rear wheel axle structure, the right adjusting block is sleeved with the rear wheel axle, and the right adjusting block is provided with a through hole matched with the peripheral surface of the rear wheel axle.
Preferably, in the rear axle structure, the left adjusting block is asymmetrically designed, the distances from the center line to the two sides are respectively L1 and L2, and the difference between L1 and L2 is 8-12 mm.
Preferably, in the rear axle structure, the right adjusting block is asymmetrically designed, the distances from the center line to the two sides are respectively L1 and L2, and the difference between L1 and L2 is 8-12 mm.
Preferably, in the rear axle structure, the fastening members are matched nuts and bolts.
Preferably, the rear axle structure, nut and bolt are two, two fasteners are located the left and right sides of rear axle respectively.
A rear axle structure mounting method applied to the rear axle structure as described in any one of the above; the method comprises the following steps:
firstly, combining a left adjusting block and a rear wheel shaft into an assembly, sequentially assembling a rear rocker arm, a chain wheel seat assembly, a rear wheel rim assembly, a rear wheel right bushing, a caliper bracket and a right adjusting block on the rear wheel shaft through clearance fit, and fixing a wheel shaft fastening nut on the right end of the rear wheel shaft;
secondly, the front and back limiting of the rear wheel rim combination is realized by adopting nuts and bolts at the left side and the right side of the rear wheel shaft.
Preferably, in the rear axle structure mounting method, the rear axle and the left adjusting block are fixed by threaded connection after being coated with threaded glue.
The invention provides a rear wheel shaft structure, which comprises a rear wheel shaft, a rear rocker arm, a chain wheel seat combination, a rear wheel rim combination, a rear wheel right bushing, a caliper bracket, a right adjusting block, a wheel shaft fastening nut and a fastening piece for limiting the rear wheel rim combination front and back, wherein the rear wheel shaft, the rear rocker arm, the chain wheel seat combination, the rear wheel rim combination, the rear wheel right bushing, the caliper bracket, the right adjusting block and; the rear wheel axle is of an integrally formed pipe structure, and a left adjusting block is fixed at the left end of the rear wheel axle. The rear wheel shaft adopts an integrally formed pipe structure, the manufacturing process is simple, and the straightness of a finished product is good; compared with the traditional solid shaft, the tubular shaft with larger diameter can be adopted under the equal mass, and the bearing strength is better. The left adjusting block and the rear axle are combined into an assembly through threads, so that the gap deviation between the left adjusting block and the rear axle is reduced, the gap between the left adjusting block and the rear rocker arm can be smaller, and the deflection of the left adjusting block is smaller; meanwhile, the left adjusting block is used as a bolt head, so that the length of the bolt can be reduced, and the weight is reduced. Therefore, the rear axle structure provided by the invention improves the rear axle, simplifies the process manufacturing process and solves the problem in the field at the present stage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an elevation view of a rear axle construction in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of a rear axle in an embodiment of the present invention;
FIG. 3 is a schematic view of a left adjustment block in an embodiment of the present invention;
FIG. 4 is a schematic view of a right adjustment block in accordance with an embodiment of the present invention;
fig. 5 is a side view of a rear axle construction in an embodiment of the present invention.
In fig. 1-5:
a rear wheel axle-1; a rear rocker-2; sprocket seat assembly-3; rear rim combination-4; a rear wheel right bush-5; a caliper bracket-6; a right adjustment block-7; a wheel axle fastening nut-8; a left adjusting block-9; a threaded hole-10; a through-hole-11; a nut-12; bolt-13.
Detailed Description
The core of the specific embodiment is to provide a rear axle structure, and the rear axle structure improves a rear axle, simplifies the process and manufacture process, and solves the problem in the field at the present stage.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
Referring to fig. 1 and 2, the rear axle structure provided in the present embodiment includes a rear axle 1, a rear rocker arm 2, a sprocket seat assembly 3, a rear rim assembly 4, a rear wheel right bushing 5, a caliper bracket 6, a right adjusting block 7, an axle fastening nut 8, and a fastening member for limiting the rear rim assembly 4 forward and backward; the rear wheel axle 1 is of an integrally formed pipe structure, and a left adjusting block 9 is fixed at the left end of the rear wheel axle 1.
The rear wheel shaft 1 adopts an integrally formed pipe structure, the manufacturing process is simple, and the straightness of a finished product is good; compared with the traditional solid shaft, the tubular shaft with larger diameter can be adopted under the equal mass, and the bearing strength is better.
The left adjusting block 9 and the rear wheel shaft 1 are combined into a component, so that the gap deviation between the left adjusting block 9 and the rear wheel shaft 1 is reduced, the gap between the left adjusting block 9 and the rear rocker arm 2 can be smaller, and the deflection of the left adjusting block 9 is smaller; meanwhile, the left adjusting block 9 is used as a bolt head, so that the length of the bolt can be reduced, and the weight is reduced.
Therefore, the rear axle structure provided by the invention improves the rear axle 1, simplifies the process manufacturing process and solves the problem in the field at the present stage.
Referring to fig. 3, in the rear axle structure provided in this embodiment, a threaded hole 10 may be formed in the left adjusting block 9, and an external thread matched with the threaded hole 10 may be formed on the outer peripheral surface of the left end of the rear axle 1, that is, the left adjusting block 9 and the left end of the rear axle 1 are fixed by threaded connection.
And the rear wheel axle 1 and the left adjusting block 9 are screwed, and compared with the traditional hexagonal head wheel axle, the left adjusting block 9 is directly used for replacing the flange head of the original wheel axle, so that the manufacturing process of the rear wheel axle 1 is further simplified.
Further, in order to better realize the connection of the left adjusting block 9 and the rear axle 1 and increase the torque screwed between the left adjusting block and the rear axle, the left adjusting block 9 and the rear axle 1 can be fixed by threaded connection after being coated with threaded glue.
In the rear axle structure provided by the present embodiment, the right adjusting block 7 and the rear axle 1 may be connected in a sleeved manner, that is, the right adjusting block 7 may be provided with a through hole 11 matched with the outer peripheral surface of the rear axle 1, and then the rear axle 1 passes through the through hole 11 to be assembled with the right adjusting block 7.
Please refer to fig. 3-4. In the rear axle structure provided by this embodiment, the left adjusting block 9 may be designed asymmetrically, that is, the distances from the center line to the left and right sides are not equal. Referring to fig. 4, the distance from the vertical center line to the two ends of the left adjusting block 9 is different, i.e. L1 ≠ L2.
Similarly, the right adjusting block 7 may be designed asymmetrically, and the distances from the center line to the left and right sides are not equal. Referring to fig. 5, the distances from the vertical center line to the two sides of the right adjusting block 7 are not equal, i.e., L1 ≠ L2.
And when the adjusting block is installed, the left adjusting block 9 and the right adjusting block 7 are in the same direction, namely the non-protruding side of the outer peripheral surface of the adjusting block faces the same direction.
The asymmetric design of the left adjusting block 9 and the right adjusting block 7 can be matched with different types of chains, for example, after the left adjusting block 9 and the right adjusting block 7 are turned over, chains with larger sizes can be installed without changing the rear axle 1.
Further, L1-L2 is 8-12mm, that is, the left adjusting block 9 and the right adjusting block 7 of the rear axle 1 are both asymmetric structures, and can be installed in an inverted manner in practical application; because the chain is adjusted by times and the left and right distances are 8-12mm, the chain is suitable for adjusting the 2-tooth chain wheel under the condition of slightly changing the axle distance, and simultaneously, the chain is added with choices for adjusting other wheel axles and chain wheels; by slightly changing the wheelbase is meant that the wheelbase changes within 3 mm.
Please refer to fig. 5. In the rear axle structure provided by the present embodiment, the fastening member may be a nut 12 and a bolt 13 that are matched, and the nut 12 and the bolt 13 may be used to fix the front and rear positions of the rear axle 1.
In the rear axle structure provided by the present embodiment, the nuts 12 and the bolts 13 may be two, and the two fastening members may be respectively located at the left and right ends of the rear axle 1, so as to better fix the front and rear positions of the rear axle 1.
In the present embodiment, the front, rear, left, and right are referred to with reference to the orientation and the mark shown in the drawings.
The present embodiment also provides a rear axle structure mounting method, which is applied to the rear axle structure described above; the rear axle structure mounting method comprises the following steps:
firstly, fixing a left adjusting block 9 at the left end of a rear wheel shaft 1, namely combining the left adjusting block 9 and the rear wheel shaft 1 into an assembly, sequentially assembling a rear rocker arm 2, a sprocket seat assembly 3, a rear rim assembly 4, a rear wheel right bushing 5, a caliper bracket 6 and a right adjusting block 7 on the rear wheel shaft 1 through clearance fit, and fixing a wheel shaft fastening nut 8 at the right end of the rear wheel shaft 1;
secondly, the left side and the right side of the rear wheel axle 1 both adopt the nut 12 and the bolt 13 to realize the front and back spacing of the rear rim combination 4.
Namely, the rear wheel axle 1 is fixedly connected with the left adjusting block 9 through threads and penetrates through each axial component, the left adjusting block 9 and the right adjusting block 7 are enabled to be consistent in orientation, the front and back positions of the rear wheel axle 1 are adjusted, the front and back positions of the rear wheel axle 1 are fixed through bolts 13 and nuts 12, and finally the right end of the rear wheel axle 1 in the axial direction is fastened through an axle fastening nut 8.
Further, when rear axle 1 and left regulating block 9 assemble, can be fixed through threaded connection after the coating thread glue between rear axle 1 and the left regulating block 9, and then improve the steadiness that the two are connected.
The sliding groove of the rear rocker arm 2 is in clearance fit with the left adjusting block 9 and the right adjusting block 7, and the rear rocker arm has the function of limiting and stopping rotation of the combination of the rear wheel shaft 1; when disassembling, the wheel axle fastening nut 8 can be disassembled smoothly because the torque on the right side is smaller than that on the left side.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A rear wheel shaft structure comprises a rear wheel shaft (1), a rear rocker arm (2), a chain wheel seat assembly (3), a rear wheel rim assembly (4), a rear wheel right bushing (5), a caliper support (6), a right adjusting block (7) and a wheel shaft fastening nut (8) which are assembled in sequence, and is characterized by further comprising a fastening piece for limiting the rear wheel rim assembly (4) in the front and back directions; the rear wheel shaft (1) is of an integrally formed pipe structure, and a left adjusting block (9) is fixed at the left end of the rear wheel shaft (1).
2. The rear axle construction according to claim 1, characterized in that the left adjusting block (9) is provided with a threaded hole (10), and the outer peripheral surface of the left end of the rear axle (1) is provided with an external thread matching the threaded hole (10).
3. Rear axle construction according to claim 2, characterised in that the left adjusting block (9) is fixed to the rear axle (1) by a screw connection after the application of the thread compound.
4. Rear axle construction according to claim 1, characterised in that the right adjusting block (7) is nested with the rear axle (1), the right adjusting block (7) being provided with a through hole (11) matching the outer circumference of the rear axle (1).
5. Rear axle construction according to claim 1, characterized in that the left adjusting block (9) is of asymmetrical design, the distance from the centre line to both sides being L1 and L2, respectively, and the difference between L1 and L2 being in the range of 8-12 mm.
6. Rear axle construction according to claim 1, characterized in that the right adjustment block (7) is of asymmetrical design, the distance from the centre line to both sides being L1 and L2, respectively, and the difference between L1 and L2 being in the range of 8-12 mm.
7. A rear axle construction according to claim 1, characterised in that the fasteners are mating nuts (12) and bolts (13).
8. A rear axle construction according to claim 7, characterised in that the nuts (12) and bolts (13) are two in number, the two fasteners being located on the left and right sides of the rear axle (1), respectively.
9. A rear axle structure mounting method, characterized by being applied to a rear axle structure according to any one of claims 1 to 8; the method comprises the following steps:
firstly, a left adjusting block (9) and a rear wheel shaft (1) are combined into an assembly, then a rear rocker arm (2), a chain wheel seat combination (3), a rear wheel rim combination (4), a rear wheel right bushing (5), a caliper support (6) and a right adjusting block (7) are sequentially assembled on the rear wheel shaft (1) through clearance fit, and then a wheel shaft fastening nut (8) is fixed at the right end of the rear wheel shaft (1);
secondly, the front and back limiting of the rear rim combination (4) is realized by adopting nuts (12) and bolts (13) at the left side and the right side of the rear wheel shaft (1).
10. A rear axle construction mounting method according to claim 9, characterised in that the rear axle (1) and the left adjusting block (9) are fixed by screwing after being coated with a threaded glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204613.9A CN112324789B (en) | 2020-11-02 | 2020-11-02 | Rear axle structure and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204613.9A CN112324789B (en) | 2020-11-02 | 2020-11-02 | Rear axle structure and mounting method |
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| Publication Number | Publication Date |
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| CN112324789A true CN112324789A (en) | 2021-02-05 |
| CN112324789B CN112324789B (en) | 2022-02-18 |
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| CN202011204613.9A Active CN112324789B (en) | 2020-11-02 | 2020-11-02 | Rear axle structure and mounting method |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533056Y (en) * | 2002-04-15 | 2003-01-29 | 重庆宗申技术开发研究有限公司 | Chain tension device for motorcycle |
| US20060055147A1 (en) * | 2004-09-10 | 2006-03-16 | Honda Motor Co., Ltd. | Tensioning apparatus for a drive loop member on a vehicle, and method of using same |
| CN201545163U (en) * | 2009-09-16 | 2010-08-11 | 重庆隆鑫机车有限公司 | Motorcycle chain adjusting device |
| CN201923267U (en) * | 2010-12-10 | 2011-08-10 | 重庆隆鑫机车有限公司 | Bottom fork structure and motorcycle with same |
| JP2012201340A (en) * | 2011-03-28 | 2012-10-22 | Honda Motor Co Ltd | Chain adjustment structure of saddle-riding type vehicle |
| US8827024B1 (en) * | 2013-04-19 | 2014-09-09 | Yamaha Hatsudoki Kabushiki Kaisha | Motorcycle |
| TWM501994U (en) * | 2014-11-18 | 2015-06-01 | Ming Suey Prec Ind Co Ltd | Adjuster and adjuster assembly including same |
| CN205837117U (en) * | 2016-07-05 | 2016-12-28 | 台州市全顺电机有限公司 | A kind of power assembly |
| CN106364617A (en) * | 2016-10-26 | 2017-02-01 | 力帆实业(集团)股份有限公司 | Motorcycle rear fork structure |
| CN209083796U (en) * | 2018-11-23 | 2019-07-09 | 浙江春风动力股份有限公司 | Chain stay rotational supporting structure after a kind of |
| CN209852500U (en) * | 2019-05-24 | 2019-12-27 | 杭州奇橙科技有限公司 | Bicycle hook claw conversion structure capable of adjusting wheel base and frame height |
| CN110949599A (en) * | 2018-11-28 | 2020-04-03 | 广东大冶摩托车技术有限公司 | Motorcycle rear wheel single rocker arm assembly structure |
| CN211308891U (en) * | 2019-12-17 | 2020-08-21 | 广州大运摩托车有限公司 | Double torsion increasing type driving structure of electric motorcycle |
-
2020
- 2020-11-02 CN CN202011204613.9A patent/CN112324789B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533056Y (en) * | 2002-04-15 | 2003-01-29 | 重庆宗申技术开发研究有限公司 | Chain tension device for motorcycle |
| US20060055147A1 (en) * | 2004-09-10 | 2006-03-16 | Honda Motor Co., Ltd. | Tensioning apparatus for a drive loop member on a vehicle, and method of using same |
| CN201545163U (en) * | 2009-09-16 | 2010-08-11 | 重庆隆鑫机车有限公司 | Motorcycle chain adjusting device |
| CN201923267U (en) * | 2010-12-10 | 2011-08-10 | 重庆隆鑫机车有限公司 | Bottom fork structure and motorcycle with same |
| JP2012201340A (en) * | 2011-03-28 | 2012-10-22 | Honda Motor Co Ltd | Chain adjustment structure of saddle-riding type vehicle |
| US8827024B1 (en) * | 2013-04-19 | 2014-09-09 | Yamaha Hatsudoki Kabushiki Kaisha | Motorcycle |
| TWM501994U (en) * | 2014-11-18 | 2015-06-01 | Ming Suey Prec Ind Co Ltd | Adjuster and adjuster assembly including same |
| CN205837117U (en) * | 2016-07-05 | 2016-12-28 | 台州市全顺电机有限公司 | A kind of power assembly |
| CN106364617A (en) * | 2016-10-26 | 2017-02-01 | 力帆实业(集团)股份有限公司 | Motorcycle rear fork structure |
| CN209083796U (en) * | 2018-11-23 | 2019-07-09 | 浙江春风动力股份有限公司 | Chain stay rotational supporting structure after a kind of |
| CN110949599A (en) * | 2018-11-28 | 2020-04-03 | 广东大冶摩托车技术有限公司 | Motorcycle rear wheel single rocker arm assembly structure |
| CN209852500U (en) * | 2019-05-24 | 2019-12-27 | 杭州奇橙科技有限公司 | Bicycle hook claw conversion structure capable of adjusting wheel base and frame height |
| CN211308891U (en) * | 2019-12-17 | 2020-08-21 | 广州大运摩托车有限公司 | Double torsion increasing type driving structure of electric motorcycle |
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| CN112324789B (en) | 2022-02-18 |
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