CN204124265U - Chain stay and motor bike thereof - Google Patents
Chain stay and motor bike thereof Download PDFInfo
- Publication number
- CN204124265U CN204124265U CN201420518006.3U CN201420518006U CN204124265U CN 204124265 U CN204124265 U CN 204124265U CN 201420518006 U CN201420518006 U CN 201420518006U CN 204124265 U CN204124265 U CN 204124265U
- Authority
- CN
- China
- Prior art keywords
- chain stay
- central siphon
- bearing
- direction thrust
- thrust bearing
- 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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Abstract
The utility model discloses a kind of chain stay and motor bike thereof, chain stay comprises central siphon, leg pipe and is installed on the bearing assembly of central siphon endoporus, and central siphon is by bearing assembly and motorcycle centre shaft normal-running fit; Bearing assembly comprises two-direction thrust bearing; Described motor bike is provided with this chain stay, chain stay of the present utility model and motor bike thereof, and chain stay axially can carry out failure-free location along central siphon, can prevent chain stay end float misalignment, avoids causing localized wear, improves vehicle structure stability, ensures driving safety.
Description
Technical field
The utility model relates to motorcycle component and motor bike thereof, particularly relates to a kind of chain stay and applies the motor bike of this chain stay.
Background technology
Chain stay is the vitals of motor bike, belong to suspender, chain stay comprises two leg pipes and is fixed on the central siphon of two leg pipe front ends, chain stay is made to be enclosed within normal-running fit on motorcycle centre shaft by central siphon, leg pipe rear end arranges axis hole, for installing trailing wheel, the central siphon of welded steel formula chain stay of the prior art is all coordinated with central axis by needle bearing, there is rotary resistance little, the benefit that diameter clearance is controlled, but the more difficult control of endplay, by needle bearing, axial location is not carried out to central siphon, and chain stay design time in order to avoid interfering with vehicle frame recurring structure, all endplay is left between central siphon and vehicle frame, therefore chain stay of the prior art has the technical matters of end float misalignment, structural stability is poor, local friction is easily caused to damage, driving safety can not be ensured.
Therefore, for solving the problem, needing to be improved existing chain stay and motorcycle structure thereof, making chain stay axially carry out failure-free location along central siphon, preventing chain stay end float misalignment, avoid causing localized wear, improving vehicle structure stability, ensureing driving safety.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of chain stay and motor bike thereof, and chain stay axially can carry out failure-free location along central siphon, can prevent chain stay end float misalignment, avoids causing localized wear, improves vehicle structure stability, ensures driving safety;
Chain stay of the present utility model, comprise central siphon, leg pipe and be installed on the bearing assembly of central siphon endoporus, described central siphon is by bearing assembly and motorcycle centre shaft normal-running fit; Described bearing assembly comprises two-direction thrust bearing, by the outer ring of two-direction thrust bearing being axially fixed at the central siphon of chain stay, the inner ring of two-direction thrust bearing is axially fixed at motorcycle centre shaft, being rotationally connected and axial location between chain stay and axis can be realized, prevent chain stay end float misalignment, avoid causing localized wear, improve vehicle structure stability, ensure driving safety;
Further, described bearing assembly also comprises needle bearing, and the rotary resistance of needle bearing is little, diameter clearance is controlled, and radial load-carrying capacity is strong;
Further, described needle bearing and two-direction thrust bearing are respectively in central siphon two ends, and high around the anti-torsional strength perpendicular to central siphon direction, comprehensive stress performance is good, can ensure entire vehicle structural stability;
Further, described needle bearing is positioned at central siphon left end; Two-direction thrust bearing can be deep groove ball bearing, when inner ring aperture is consistent, the outer ring external diameter of needle bearing is less than the outer ring external diameter of deep groove ball bearing, therefore needle bearing is arranged in the reduction central siphon left end radial dimension of central siphon left end adaptability, is conducive to chain and arranges;
Further, described central siphon is the adapter bonnet structure adopting the thin right-hand member of left end of extra heavy pipe and the fixing formation of tubule docking thick, extra heavy pipe dress deep groove ball bearing, and needle bearing installed by tubule, adapter bonnet structure adopts extra heavy pipe and tubule docking structure, adopt ready-made tubing to make extra heavy pipe and tubule, then the two docking is fixed together, the mode be welded and fixed can be adopted, material source is wide, processing technology is ripe simultaneously, and difficulty of processing is low, is beneficial to reduction productive costs;
Further, described central siphon endoporus is the stepped hole that can carry out axial limiting to needle bearing and two-direction thrust bearing, aperture, central siphon two ends is large compared with middle aperture, needle bearing and two-direction thrust bearing can be pressed into central siphon endoporus from central siphon end, utilize the step surface of stepped hole to carry out axial limiting, be convenient to the processing of stepped hole and the assembling of bearing;
Further, described two-direction thrust bearing carries out axial location by jump ring and the corresponding step surface of central siphon endoporus; Good positioning effect, easy accessibility;
Further, described needle bearing is provided with inner ring, also comprises the outer support cover that the inner support be axially supported between needle bearing inner ring and two-direction thrust bearing inner ring is overlapped and is supported in two-direction thrust bearing inner ring outer end; Needle bearing inner ring and outer support cover all axially stretch out in central siphon respective end; Can adopt jam nut that needle bearing inner ring and outer support cover are axially lock onto motorcycle centre shaft during assembling, be convenient to the installation of chain stay;
Further, described two-direction thrust bearing is deep groove ball bearing, and have stronger radial and axial load-carrying capacity, in-use performance is good, directly can buy use, be beneficial to production in enormous quantities;
The invention also discloses a kind of motor bike, described motor bike installs this chain stay, can improve vehicle structure stability, ensures driving safety.
The beneficial effects of the utility model are: chain stay of the present utility model and motor bike thereof, and chain stay axially can carry out failure-free location along central siphon, can prevent chain stay end float misalignment, avoids causing localized wear, improve vehicle structure stability, ensure driving safety.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Fig. 1 is structural representation of the present utility model, and as shown in the figure: the chain stay of the present embodiment, comprise central siphon 1, leg pipe (not shown) and be installed on the bearing assembly of central siphon endoporus, described central siphon 1 is by bearing assembly and motorcycle centre shaft normal-running fit; Described bearing assembly comprises two-direction thrust bearing 2, by the outer ring of two-direction thrust bearing 2 being axially fixed at the central siphon 1 of chain stay, the inner ring of two-direction thrust bearing 2 is axially fixed at motorcycle centre shaft, being rotationally connected and axial location between chain stay and axis can be realized, prevent chain stay end float misalignment, avoid causing localized wear, improve vehicle structure stability, ensure driving safety.
In the present embodiment, described bearing assembly also comprises needle bearing 3, and the rotary resistance of needle bearing 3 is little, diameter clearance is controlled, and radial load-carrying capacity is strong.
In the present embodiment, described needle bearing 3 and two-direction thrust bearing 2 are respectively in central siphon 1 two ends, and high around the anti-torsional strength perpendicular to central siphon 1 direction, comprehensive stress performance is good, can ensure entire vehicle structural stability.
In the present embodiment, described needle bearing 3 is positioned at central siphon 1 left end; Two-direction thrust bearing 2 can be deep groove ball bearing, when inner ring aperture is consistent, the outer ring external diameter of needle bearing 3 is less than the outer ring external diameter of deep groove ball bearing, therefore needle bearing 3 is arranged in the reduction central siphon 1 left end radial dimension of central siphon 1 left end adaptability, is conducive to chain and arranges.
In the present embodiment, described central siphon 1 is the adapter bonnet structure adopting the thin right-hand member of left end of extra heavy pipe and the fixing formation of tubule docking thick, extra heavy pipe dress deep groove ball bearing, and needle bearing 3 installed by tubule, adapter bonnet structure adopts extra heavy pipe and tubule docking structure, adopt ready-made tubing to make extra heavy pipe and tubule, then the two docking is fixed together, the mode be welded and fixed can be adopted, material source is wide, processing technology is ripe simultaneously, and difficulty of processing is low, is beneficial to reduction productive costs; After chain stay is installed on motorcycle centre shaft, its central siphon 1 one end on the left of motor bike is left end, and the one end on the right side of motor bike is right-hand member.
In the present embodiment, described central siphon 1 endoporus is the stepped hole that can carry out axial limiting to needle bearing 3 and two-direction thrust bearing 2, aperture, central siphon 1 two ends is large compared with middle aperture, needle bearing 3 and two-direction thrust bearing 2 can be pressed into central siphon 1 endoporus from central siphon 1 end, utilize the step surface of stepped hole to carry out axial limiting, be convenient to the processing of stepped hole and the assembling of bearing.
In the present embodiment, described two-direction thrust bearing 2 carries out axial location by jump ring 4 and the corresponding step surface of central siphon 1 endoporus; Good positioning effect, easy accessibility.
In the present embodiment, described needle bearing 3 is provided with inner ring 5, also comprise the inner support be axially supported between needle bearing 3 inner ring 5 and two-direction thrust bearing 2 inner ring overlap 6 and the outer support that is supported in two-direction thrust bearing 2 inner ring outer end overlap 7; Needle bearing 3 inner ring 5 and outer support cover 7 all axially stretch out in central siphon 1 respective end; Can adopt jam nut that needle bearing 3 inner ring 5 and outer support are overlapped 7 axial lockings in motorcycle centre shaft during assembling, be convenient to the installation of chain stay.
In the present embodiment, described two-direction thrust bearing 2 is deep groove ball bearing, and have stronger radial and axial load-carrying capacity, in-use performance is good, directly can buy use, be beneficial to production in enormous quantities.
The motor bike of the present embodiment, described motor bike installs this chain stay, can improve vehicle structure stability, ensures driving safety.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. a chain stay, is characterized in that: comprise central siphon, leg pipe and be installed on the bearing assembly of central siphon endoporus, described central siphon is by bearing assembly and motorcycle centre shaft normal-running fit; Described bearing assembly comprises two-direction thrust bearing.
2. chain stay according to claim 1, is characterized in that: described bearing assembly also comprises needle bearing.
3. chain stay according to claim 2, is characterized in that: described needle bearing and two-direction thrust bearing are respectively in central siphon two ends.
4. chain stay according to claim 3, is characterized in that: described needle bearing is positioned at central siphon left end.
5. chain stay according to claim 4, is characterized in that: described central siphon is the adapter bonnet structure adopting the thin right-hand member of left end of extra heavy pipe and the fixing formation of tubule docking thick.
6. chain stay according to claim 5, is characterized in that: described central siphon endoporus is the stepped hole that can carry out axial limiting to needle bearing and two-direction thrust bearing.
7. chain stay according to claim 6, is characterized in that: described two-direction thrust bearing carries out axial location by jump ring and the corresponding step surface of central siphon endoporus.
8. chain stay according to claim 7, is characterized in that: described needle bearing is provided with inner ring, also comprises the outer support cover that the inner support be axially supported between needle bearing inner ring and two-direction thrust bearing inner ring is overlapped and is supported in two-direction thrust bearing inner ring outer end; Needle bearing inner ring and outer support cover all axially stretch out in central siphon respective end.
9. chain stay according to claim 1, is characterized in that: described two-direction thrust bearing is deep groove ball bearing.
10. apply a motor bike for the chain stay described in the arbitrary claim of 1-9, it is characterized in that: described motor bike installs this chain stay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518006.3U CN204124265U (en) | 2014-09-10 | 2014-09-10 | Chain stay and motor bike thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518006.3U CN204124265U (en) | 2014-09-10 | 2014-09-10 | Chain stay and motor bike thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204124265U true CN204124265U (en) | 2015-01-28 |
Family
ID=52380648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420518006.3U Expired - Fee Related CN204124265U (en) | 2014-09-10 | 2014-09-10 | Chain stay and motor bike thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204124265U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828751A (en) * | 2017-01-13 | 2017-06-13 | 力帆实业(集团)股份有限公司 | A kind of rear fork of motorcycle assembling structure |
| CN109050769A (en) * | 2018-07-28 | 2018-12-21 | 重庆隆鑫机车有限公司 | Motorcycle bottom fork assembly and its motorcycle |
| CN111038637A (en) * | 2019-12-13 | 2020-04-21 | 重庆宗申创新技术研究院有限公司 | Anti-shifting bottom fork connecting structure of motorcycle |
-
2014
- 2014-09-10 CN CN201420518006.3U patent/CN204124265U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828751A (en) * | 2017-01-13 | 2017-06-13 | 力帆实业(集团)股份有限公司 | A kind of rear fork of motorcycle assembling structure |
| CN106828751B (en) * | 2017-01-13 | 2022-06-17 | 力帆实业(集团)股份有限公司 | Motorcycle rear fork assembly structure |
| CN109050769A (en) * | 2018-07-28 | 2018-12-21 | 重庆隆鑫机车有限公司 | Motorcycle bottom fork assembly and its motorcycle |
| CN111038637A (en) * | 2019-12-13 | 2020-04-21 | 重庆宗申创新技术研究院有限公司 | Anti-shifting bottom fork connecting structure of motorcycle |
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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: 20150128 Termination date: 20210910 |