CN203005685U - Motorcycle shift arm assembly - Google Patents
Motorcycle shift arm assembly Download PDFInfo
- Publication number
- CN203005685U CN203005685U CN 201220613575 CN201220613575U CN203005685U CN 203005685 U CN203005685 U CN 203005685U CN 201220613575 CN201220613575 CN 201220613575 CN 201220613575 U CN201220613575 U CN 201220613575U CN 203005685 U CN203005685 U CN 203005685U
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- plectrum
- arm
- gear
- along
- motorcycle
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Abstract
The utility model discloses a motorcycle shift arm assembly, which comprises a shift arm, a return spring, and a shift pick assembly, wherein the shift pick assembly comprises a first pick fixedly matched with the shift arm in at least the circumferential direction of the shift arm, and a second pick matched with the first pick in a sliding manner along the radial single degree of freedom of the shift arm; and a pretightening force is applied to the second pick and extends outwards in the radial direction of the shift arm. According to the motorcycle shift arm assembly, the second pick adopts a return structure without a bias component force to directly apply a pretightening force according to the sliding direction of the second pick while no component force is generated, so that deflection and eccentric wear cannot be generated, the over-all structure of the assembly is simplified, the component service life can be prolonged, manufacturing and mounting cost are reduced, the working efficiency is increased, and the assembly is applicable for the characteristics of portability and flexibility of a motorcycle.
Description
Technical field
The utility model relates to a kind of motorcycle part, particularly a kind of motorcycle gear shifting class annex.
Background technology
The motorcycle gear shifting assembly is the necessary assembly that the normal gearshift of motor bike is travelled.The general using pin drives and shifts gears, and the motorcycle gear shifting assembly generally comprises gear changing arm component and also realizes gearshift by the shift fork in change-speed box by the gearshift rotating disk that gear arm drives.Wherein gear changing arm component is to transmit the intermediate structure of shifting power, comprises gear arm and the plectrum assembly that is driven by gear arm, and the plectrum assembly plays the effect of ratchet, is used for driving the gearshift dial rotation.
In prior art, the plectrum assembly generally comprises the first plectrum and the second plectrum, the first plectrum is fixed in gear arm, because the gearshift plectrum is the cam structure of periphery or the drive configuration of the similar ratchet that straight pin forms, and the second plectrum is the rotation interference of avoiding with the rotating disk of shifting gears, generally be designed to the structure that to slide along the first plectrum, and direction of slip be along gear arm radially, leaves enough spaces with the rotation of giving the rotating disk of shifting gears; Because the second plectrum needs to form return after slip, completed driving next time, thereby needed to set predetermincd tension.In prior art, this predetermincd tension generally applies by torsion spring or spring; The structure of torsion spring itself causes the deflection of predetermincd tension, and spring is in order to install or easy to process, and a dish is positioned at the side, causes the predetermincd tension biasing; Said structure all can make the relative motion position eccentric wear of the second plectrum, and torsion spring or spring fitting difficulty, and structure is slightly aobvious complicated, and the parts machining difficulty for the motor bike that is good at light and flexible, is a problem demanding prompt solution; And the problems referred to above not only reduce the service life of parts, have also increased the manufacturing cost of parts.
Therefore, need to improve gear changing arm component, directly the direction of slip according to the second plectrum applies predetermincd tension, produce without component, therefore can not produce deflection and eccentric wear, simplify the integral structure of this assembly, elongated component service life, reduce and make and cost of installation, increase work efficiency.
The utility model content
In view of this, the utility model provides a kind of motorcycle gear shifting arm component, directly the direction of slip according to the second plectrum applies predetermincd tension, produce without component, therefore can not produce deflection and eccentric wear, simplify the integral structure of this assembly, elongated component service life, reduce and make and cost of installation, increase work efficiency.
Motorcycle gear shifting arm component of the present utility model, comprise gear arm, retracing spring and gearshift plectrum assembly, described gearshift plectrum assembly comprise at least the first plectrum of gear arm circumferencial direction and its heavy keying fit and and the first plectrum between with can be along gear arm the second plectrum of single degree of freedom bearing fit radially, described the second plectrum is provided with predetermincd tension and this predetermincd tension along gear arm radially outward; Certainly, the first plectrum and the second plectrum need be provided be used to the driving claw that is similar to ratchet of stirring the gearshift dial rotation, belong to prior art, do not repeat them here.
Further, described retracing spring is for freely being coated at the reduction torsion spring of gear arm, and described reduction torsion spring acts on the first plectrum or/and between the corresponding site of gear arm and motor bike, be used for gearshift and drive rear position of recovering gear arm, has prepared gearshift next time and has driven; Said structure refers to that namely in gearshift or reseting procedure, reduction torsion spring one end acts on the first plectrum or/and gear arm, the other end acts on the corresponding site of motor bike, this corresponding site refers to the position that torsion spring can be applied to, generally refer to certain position of change-speed box or engine body, comprise that pin or other bulge-structures all can, limit with the other end to reduction torsion spring, guarantee gear arm is resetted.
Further, described the second plectrum by at least two along the rivet of gear arm radial array with can along gear arm radially the mode of single degree of freedom bearing fit be anchored in the first plectrum, two rivets can realize that laterally (rotation direction during gearshift) is spacing, and being anchored structure easily realizes, that compactness simple in structure, be convenient to processing and install, thereby saving cost; Also be convenient to part after friction pair damages and change parts, save use cost.
Further, the riveted holes that radially has the activity surplus along gear arm between the Kong Weiyu rivet that described the first plectrum coordinates with rivet, the activity surplus refers to the second plectrum along gear arm sliding space radially, the second plectrum drives rivet along gear arm slip radially and slides, rivet slides in riveted holes and realizes that the second plectrum has activity space, realizes the gearshift drive actions.
Further, described the second plectrum is provided with along the radially outer predetermincd tension of gear arm by a shell fragment, described shell fragment one end acts on the first plectrum or/and gear arm, the other end acts on the second plectrum along the radially inner end of gear arm, adopt elastic piece structure comparatively simple, cost is lower, and easy installation and removal is simple, increase work efficiency and cost relatively low.
Further, the relatively outwards bending respectively of described shell fragment two ends, the bent end of shell fragment one end is stuck in the blocked hole of the first plectrum setting, and the bending part of the shell fragment other end is stuck in the second plectrum along the radially inner end of gear shift arm; During installation, the compression shell fragment, snap in two bending part correspondences, utilizes the predetermincd tension of shell fragment itself namely to realize from blocking self-tightening structure, and is easy for installation simple.
Further, described the second plectrum is against the first plectrum, and simplified structure and mutually relying on forms compact and has the drive configuration of higher-strength.
Further, the bipod of described reduction torsion spring is along the surface that radially outward is against the first plectrum of gear arm, and at least one rivet is between the bipod of reduction torsion spring, and the bipod apportion driving engine of the reduction torsion spring return pin both sides that are provided with; Return pin is the pin that is fixed on driving engine, for spacing to the bipod of reduction torsion spring, when gear arm rotates, by rivet, the bipod of reduction torsion spring is applied power, return pin limits the rotation of reduction torsion spring, produces thus the returning place force to gear arm, and simple in structure and assembling easily.
Further, described the second plectrum is against the first plectrum and the first plectrum and the second plectrum and is respectively equipped with for by return pin and leave the pin-and-hole of crossing of gearshift action surplus, is beneficial to the integral structure of stablize gear changing arm component, and avoids installation and movement interference; Connecting between the radially inner riveted holes of gear arm and blocked hole of described the first plectrum; Be beneficial to processing, economical with materials and reduction weight meet the simple light characteristics of motor bike.
The beneficial effects of the utility model: motorcycle gear shifting arm component of the present utility model, the second plectrum adopts the return structure that does not have biasing component, directly the direction of slip according to the second plectrum applies predetermincd tension, produce without component, therefore can not produce deflection and eccentric wear, simplify the integral structure of this assembly, elongated component service life, reduce and make and cost of installation, increase work efficiency, be adapted to the characteristics of motor bike light and flexible.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that Fig. 1 is along A to view.
The specific embodiment
Fig. 1 is structural representation of the present utility model, Fig. 2 is that Fig. 1 is along A to view, as shown in the figure: the motorcycle gear shifting arm component of the present embodiment, comprise gear arm 1, retracing spring 5 and gearshift plectrum assembly, described gearshift plectrum assembly comprise at least the first plectrum 2 of gear arm 1 circumferencial direction and its heavy keying fit and and the first plectrum 2 between with can be along gear arm the second plectrum 3 of single degree of freedom bearing fit radially, described the second plectrum 3 is provided with predetermincd tension and this predetermincd tension along gear arm 1 radially outward; Certainly, the first plectrum 2 and the second plectrum 3 need be provided be used to the driving claw that is similar to ratchet of stirring the gearshift dial rotation, belong to prior art, do not repeat them here; The parts that apply predetermincd tension can be direct column spring or elastic piece structure, and just the column spring is to having relatively high expectations of installing.
In the present embodiment, described retracing spring 5 is for freely being coated at the reduction torsion spring of gear arm 1, described reduction torsion spring acts on the first plectrum 2 or/and between the corresponding site of gear arm 1 and motor bike, be used for gearshift and drive rear position of recovering gear arm 1, has prepared gearshift next time and has driven; Said structure refers to that namely in gearshift or reseting procedure, reduction torsion spring one end acts on the first plectrum 2 or/and gear arm 1, the other end acts on the corresponding site of motor bike, this corresponding site refers to the position that torsion spring can be applied to, generally refer to certain position of change-speed box or engine body, comprise that pin or other bulge-structures all can, limit with the other end to reduction torsion spring, guarantee gear arm 1 is resetted.
In the present embodiment, described the second plectrum 3 by at least two along the rivet of gear arm 1 radial array with can along gear arm radially the mode of single degree of freedom bearing fit be anchored in the first plectrum 2, two rivets can realize that laterally (rotation direction during gearshift) is spacing, and be anchored structure and easily realize, that compactness simple in structure is convenient to processing and installs, thereby saving cost, as shown in the figure, have two rivets in the present embodiment, be rivet 7 and rivet 6; Also be convenient to part after the secondary damage of this structural friction and change parts, save use cost.
in the present embodiment, the riveted holes (being riveted holes 23 and riveted holes 21 in figure) that radially has the activity surplus along gear arm between described the first plectrum 2 and Kong Weiyu rivet that rivet (rivet 7 and rivet 6) coordinates, the activity surplus refers to the second plectrum along gear arm sliding space radially, namely along gear arm waist shaped hole radially, the second plectrum 3 drives rivet (rivet 7 and rivet 6) along gear arm 1 slip radially and slides, rivet (rivet 7 and rivet 6) slides in riveted holes (riveted holes 23 and riveted holes 21) and realizes that the second plectrum 3 has activity space, realize the gearshift drive actions.
In the present embodiment, described the second plectrum 3 is provided with along the radially outer predetermincd tension of gear arm 1 by a shell fragment 4, described shell fragment 4 one ends act on the first plectrum 2 or/and gear arm 1, the other end acts on the second plectrum 3 along the radially inner end of gear arm 1, adopt shell fragment 4 structures comparatively simple, cost is lower, and easy installation and removal is simple, increase work efficiency and cost relatively low.
In the present embodiment, the relatively outwards bending respectively of described shell fragment 4 two ends, the bent end of shell fragment 4 one ends is stuck in the blocked hole of the first plectrum 2 settings, and the bending part of shell fragment 4 other ends is stuck in the second plectrum 3 along the radially inner end of gear shift arm 1; During installation, compression shell fragment 4, snap in two bending part correspondences, utilizes shell fragment 4 predetermincd tensions own namely to realize from blocking self-tightening structure, and is easy for installation simple; As shown in the figure, the opposite bending of bending part at shell fragment 4 two ends utilizes predetermincd tension to be stuck in outer surface corresponding to the blocked hole of the first plectrum 2 and the inner surface along the radially inner end of gear shift arm of the second plectrum 3; Directly snap in during installation and get final product, do not need special tool, simple to operation.
In the present embodiment, described the second plectrum 3 is against the first plectrum 2, and simplified structure and mutually relying on forms compact and has the drive configuration of higher-strength.
In the present embodiment, the bipod of described reduction torsion spring is along the surface that radially outward is against the first plectrum 2 of gear arm, at least one rivet is between the bipod of reduction torsion spring, in the present embodiment, rivet 6 is between the bipod of reduction torsion spring, and the bipod apportion driving engine of the reduction torsion spring return pin both sides that are provided with; Return pin is the pin that is fixed on driving engine, for spacing to the bipod of reduction torsion spring, when gear arm 1 rotates, the bipod of following closely reduction torsion spring by riveting 6 applies power, return pin limits the rotation of reduction torsion spring, produces thus the returning place force to gear arm, and simple in structure and assembling easily.
In the present embodiment, described the second plectrum 3 be against the first plectrum 2 and the first plectrum 2 and the second plectrum 3 be respectively equipped with for by return pin and leave gearshift action surplus cross pin-and-hole (figure was pin-and-hole 31 and crossed pin-and-hole 22), be beneficial to the integral structure of stablizing gear changing arm component, and avoid installing and movement interference; Connecting between the radially inner riveted holes 21 of gear arm and blocked hole of described the first plectrum 2 is beneficial to processing, and economical with materials and reduction weight meet the simple light characteristics of motor bike.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (9)
1. motorcycle gear shifting arm component, comprise gear arm, retracing spring and gearshift plectrum assembly, it is characterized in that: described gearshift plectrum assembly comprise at least the first plectrum of gear arm circumferencial direction and its heavy keying fit and and the first plectrum between with can be along gear arm the second plectrum of single degree of freedom bearing fit radially, described the second plectrum is provided with predetermincd tension and this predetermincd tension along gear arm radially outward.
2. motorcycle gear shifting arm component according to claim 1, it is characterized in that: described retracing spring is for freely to be coated at the reduction torsion spring of gear arm, and described reduction torsion spring acts on the first plectrum or/and between the corresponding site of gear arm and motor bike.
3. motorcycle gear shifting arm component according to claim 2 is characterized in that: described the second plectrum by at least two along the rivet of gear arm radial array with can along gear arm radially the mode of single degree of freedom bearing fit be anchored in the first plectrum.
4. motorcycle gear shifting arm component according to claim 3, is characterized in that: the riveted holes that radially has the activity surplus along gear arm between the Kong Weiyu rivet that described the first plectrum coordinates with rivet.
5. motorcycle gear shifting arm component according to claim 4, it is characterized in that: described the second plectrum is provided with along the radially outer predetermincd tension of gear arm by a shell fragment, described shell fragment one end acts on the first plectrum or/and gear arm, and the other end acts on the second plectrum along the radially inner end of gear arm.
6. motorcycle gear shifting arm component according to claim 5, it is characterized in that: the relatively outwards bending respectively of described shell fragment two ends, the bent end of shell fragment one end is stuck in the blocked hole of the first plectrum setting, and the bending part of the shell fragment other end is stuck in the second plectrum along the radially inner end of gear shift arm.
7. motorcycle gear shifting arm component according to claim 6, it is characterized in that: described the second plectrum is against the first plectrum.
8. motorcycle gear shifting arm component according to claim 7, it is characterized in that: the bipod of described reduction torsion spring is along the surface that radially outward is against the first plectrum of gear arm, at least one rivet is between the bipod of reduction torsion spring, and the bipod apportion driving engine of the reduction torsion spring return pin both sides that are provided with.
9. motorcycle gear shifting arm component according to claim 8, it is characterized in that: described the second plectrum is against the first plectrum and the first plectrum and the second plectrum and is respectively equipped with for by return pin and leave the pin-and-hole of crossing of gearshift action surplus, the connecting between the radially inner riveted holes of gear arm and blocked hole of described the first plectrum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220613575 CN203005685U (en) | 2012-11-20 | 2012-11-20 | Motorcycle shift arm assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220613575 CN203005685U (en) | 2012-11-20 | 2012-11-20 | Motorcycle shift arm assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203005685U true CN203005685U (en) | 2013-06-19 |
Family
ID=48597303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220613575 Expired - Fee Related CN203005685U (en) | 2012-11-20 | 2012-11-20 | Motorcycle shift arm assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203005685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152047A (en) * | 2017-12-14 | 2018-06-12 | 重庆厚全科技发展有限公司 | A kind of motorcycle handle clamping device |
-
2012
- 2012-11-20 CN CN 201220613575 patent/CN203005685U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152047A (en) * | 2017-12-14 | 2018-06-12 | 重庆厚全科技发展有限公司 | A kind of motorcycle handle clamping device |
| CN108152047B (en) * | 2017-12-14 | 2019-06-28 | 重庆厚全科技发展有限公司 | A kind of motorcycle handle clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20131120 |