CN209725103U - A kind of chain wheel of motorcycle - Google Patents
A kind of chain wheel of motorcycle Download PDFInfo
- Publication number
- CN209725103U CN209725103U CN201920227426.9U CN201920227426U CN209725103U CN 209725103 U CN209725103 U CN 209725103U CN 201920227426 U CN201920227426 U CN 201920227426U CN 209725103 U CN209725103 U CN 209725103U
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- millimeters
- motorcycle
- roller
- chain
- pin shaft
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Abstract
The utility model discloses a kind of chain wheel of motorcycle, are related to motorcycle transmission gearing technical field, solve the technical problem that motorcycle is more using 428H type chain parts in the prior art, assembling process is complicated, assembly efficiency is low.The motorcycle list roller chain item includes outer plate, inner plate, pin shaft and roller, and outer plate is connect with pin shaft interference, and inner plate is connect with pin shaft gap, and roller is connect with pin shaft gap, and outer plate is interspersed with inner plate.The motorcycle list roller chain item of the utility model compared with the existing technology in 428H type chain, without production with assembling this part of bushing, reduce the gap between roller and bushing, improve the cooperation precision between part.And the chain board after assembling is fixed with pin shaft, inner plate can be rotated with roller on pin shaft, realize the function to motorcycle transmission, while greatly simplifying the packaging technology of chain, improve the assembly efficiency of chain.
Description
Technical field
The utility model relates to motorcycle transmission gearing technical fields, specifically, refer to a kind of chain wheel of motorcycle.
Background technique
Motorcycle in the prior art generallys use 428H type chain to be driven, and the structure of this chain includes 1.8 millimeters
The pin shaft of 4.45 millimeters of inner plate, diameter of thick outer plate, 2 millimeters thicks, the bushing of 0.8 millimeters thick and 0.8 millimeters thick
Roller.428H type chain needs that roller is socketed on bushing first, then bushing is mounted on to the installation of inner plate in assembling
Kong Shang finally passes through bushing with pin shaft again and is mounted on the mounting hole of outer plate.So that the parts of 428H type chain is more, group
Dress process is complicated, seriously reduces the assembly efficiency of 428H type chain.
On the other hand, 428H type chain in the prior art between roller and bushing, between bushing and pin shaft due to having
There is gap, along with the influence of part production precision, causes the cooperation precision between part low.In the use process of chain,
Between roller and bushing, shaking is easy to produce between bushing and pin shaft, so that metal be made to generate fatigue deformation and lead to chain card
Dead or fracture, has seriously affected the safety that chain uses.It was verified that using traditional 428H type chain as motorcycle
Transmission parts, generally require just need to repair chain at 15000 kilometers to 20000 kilometers of motorcycle driving or
Person's replacement, increases the use cost of motorcycle.
In addition, the roller of 428H type chain in the prior art and the thickness of bushing are thin, for matching 428H type chain
The thickness of big small trochal disc is also thin, only 7.08 millimeters, is easy to produce between roller and bushing above-mentioned, between bushing and pin shaft in addition
It is raw to shake, cause the wearing no resistance of roller, bushing and big small trochal disc, durability low, also becoming causes chain stuck or disconnected
The important factor in order split causes the service life of chain to reduce, has seriously affected the driving safety of motorcycle.
Therefore it provides a kind of motorcycle list roller chain item that can simplify chain packaging technology, improve chain assembly efficiency, is
Those skilled in the art's technical problem urgently to be resolved.
Utility model content
In view of this, providing a kind of motorcycle list roller chain the purpose of the utility model is to overcome the deficiencies in the prior art
Item, to solve, motorcycle is more using 428H type chain parts in the prior art, assembling process is complicated, assembly efficiency is low
Technical problem.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of motorcycle list roller chain item, including outer plate, inner plate, pin shaft and roller are provided, in which:
The outer plate is connect with the pin shaft interference；
The inner plate is connect with the pin shaft gap；
The roller is connect with the pin shaft gap；
The outer plate is interspersed with the inner plate.
Based on the above technical solution, which can also do following improvement.
Further, the width of the outer plate is 12.12 millimeters, and length is 24.2 millimeters, with a thickness of 2.1~2.5 millis
Rice, pitch are 12.76 millimeters, and aperture is 4.58~6.18 millimeters.
Further, the width of the inner plate is 12.12 millimeters, and length is 24.2 millimeters, with a thickness of 2.1~3.5 millis
Rice, pitch are 12.76 millimeters, and aperture is 4.62~6.22 millimeters.
Further, the diameter of the pin shaft is 4.6~6.2 millimeters, and length is 18.1~22.6 millimeters.
Further, the outer diameter of the roller is 8.6 millimeters, and internal diameter is 4.62~6.22 millimeters, and length is 7.5~8.62
Millimeter.
Further, the material of the outer plate is No. 55 manganese steel.
Further, the material of the inner plate and the roller is 20CrMnTi.
Further, the material of the pin shaft is 35CrMnTi.
Further, the inner surface of the roller is provided with the oil guide groove for loading lubricating oil.
In addition, the utility model also provides a kind of chain wheel of motorcycle, including big trochal disc, small trochal disc and above-mentioned motorcycle
Single roller chain item, the big trochal disc and the small trochal disc engage connection with the motorcycle list roller chain item respectively, the big trochal disc and
The thickness of the small trochal disc is identical and is 7.48~8.6 millimeters.
Compared with prior art, motorcycle list roller chain item provided by the utility model has the beneficial effect that
1, the motorcycle list roller chain item of the utility model compared with the existing technology in 428H type chain, without production and group
This part of bushing is filled, reduces the gap between roller and bushing, improves the cooperation precision between part.And after assembling
Chain board is fixed with pin shaft, and inner plate can be rotated with roller on pin shaft, realizes the function to motorcycle transmission, together
When greatly simplify the packaging technology of chain, improve the assembly efficiency of chain.
2, the motorcycle list roller chain item of the utility model compared with the existing technology in 428H type chain, reasonably increase
The dimensional thickness of outer plate, inner plate, pin shaft and roller, make outer plate, inner plate, pin shaft and roller tensile strength,
Wearability effectively improves, and the mileage travelled of motorcycle can be made to increase to 8~100,000 kilometers, while improving motorcycle
The safety of traveling.
Compared with prior art, chain wheel of motorcycle provided by the utility model has the beneficial effect that
The chain wheel of motorcycle of the utility model compared with the existing technology in matching 428H type chain big small trochal disc thickness
Increase, so that the engagement area of above-mentioned motorcycle list roller chain item and big small trochal disc increases, improves the stability of chain drive, together
When also increase the output shaft of motorcycle engine and the contact area of big small trochal disc, ensure that the structural strength of big small trochal disc with
Wearability.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the decomposition texture schematic diagram of the motorcycle list roller chain item of the utility model；
Fig. 2 is the assembly structure diagram of the motorcycle list roller chain item of the utility model；
Fig. 3 is the cross-sectional view of the motorcycle list roller chain item of the utility model；
Fig. 4 is the cross-sectional view of roller in motorcycle list roller chain item；
Fig. 5 is the structural schematic diagram of big trochal disc in chain wheel of motorcycle；
Fig. 6 is the structural schematic diagram of small trochal disc in chain wheel of motorcycle.
In figure:
1-outer plate；2-inner plates；3-pin shafts；4-rollers；5-oil guide grooves；6-big trochal discs；7-small trochal discs.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than comprehensively
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Embodiment 1:
A kind of motorcycle list roller chain item, as shown in Figure 1 to Figure 3, including having there are two mounting hole and in the outer plate of ∞ type
1, have there are two mounting hole and in the roller 4 of the inner plate 2 of ∞ type, solid pin shaft 3 and tubular structure.First in pin shaft 3
Upper gap connects roller 4, enables roller 4 in the cofree rotation of pin shaft 3.Again in the both ends of pin shaft 3 difference gap connection two
The mounting hole of a inner plate 2 makes two inner plates 2 also can be in the cofree rotation of pin shaft 3.Finally again at the both ends of pin shaft 3
Interference connects the mounting hole of two outer plates 1 respectively, makes to be tightly fastened between outer plate 1 and pin shaft 3, and between the two will not
Opposite rotation occurs.Wherein, outer plate 1 and inner plate 2 are interspersed, and so circulation is to form entire motorcycle list rolling
Chain.
The motorcycle list roller chain item of the utility model eliminates this part of the bushing of 428H type chain in the prior art, and
Every 428H type chain has several bushings, therefore the utility model greatly reduces the zero of chain without producing bushing
Number of packages amount, while the working procedure of chain assembling is decreased, greatly improve the production efficiency of chain.
Embodiment 2:
For the motorcycle list roller chain item for better illustrating the utility model, 12.12 millis are set by the width of outer plate 1
Rice, length are set as 24.2 millimeters, and thickness is set as 2.1 millimeters, and pitch is set as 12.76 millimeters, and aperture is set as 4.58 millis
Rice.The width of inner plate 2 is set as 12.12 millimeters, and length is set as 24.2 millimeters, and thickness is set as 2.1 millimeters, and pitch is set
12.76 millimeters are set to, aperture is set as 4.62 millimeters.The diameter of pin shaft 3 is set as 4.6 millimeters, and length is set as 18.1 millis
Rice.The outer diameter of roller 4 is set as 8.6 millimeters, and internal diameter is set as 4.62 millimeters, and length is set as 7.5 millimeters.
It can guarantee that pin shaft 3 is connect with outer plate 1 for interference in this way, pin shaft 3 and inner plate 2 and roller 4 are gap company
It connects.And the gap between roller 4 and inner plate 2, between inner plate 2 and outer plate 1 is 0.2~1 millimeter, the both ends of pin shaft 3
The length for stretching out outer plate 1 is 0.5~1 millimeter.
Significantly, since the tooth pitch of motorcycle disk is fixed, therefore the width of outer plate 1 and inner plate 2
Degree, length, pitch are also required to be set as fixed value, and the outer diameter of roller 4 is also required to be set as fixed value, just will not influence chain with
The engagement of wheel disc, to guarantee the stability of chain drive.
Embodiment 3:
The motorcycle list roller chain item of the utility model can also set 12.12 millimeters for the width of outer plate 1, and length is set
24.2 millimeters are set to, thickness is set as 2.5 millimeters, and pitch is set as 12.76 millimeters, and aperture is set as 6.18 millimeters.Inner plate 2
Width be set as 12.12 millimeters, length is set as 24.2 millimeters, and thickness is set as 3.5 millimeters, and pitch is set as 12.76 millis
Rice, aperture is set as 6.22 millimeters.The diameter of pin shaft 3 is set as 6.2 millimeters, and length is set as 22.6 millimeters.Outside roller 4
Diameter is set as 8.6 millimeters, and internal diameter is set as 6.22 millimeters, and length is set as 8.62 millimeters.
Embodiment 4:
The motorcycle list roller chain item of the utility model preferably sets 12.12 millimeters for the width of outer plate 1, and length is set
24.2 millimeters are set to, thickness is set as 2.5 millimeters, and pitch is set as 12.76 millimeters, and aperture is set as 5.18 millimeters.Inner plate 2
Width be set as 12.12 millimeters, length is set as 24.2 millimeters, and thickness is set as 3.5 millimeters, and pitch is set as 12.76 millis
Rice, aperture is set as 5.23 millimeters.The diameter of pin shaft 3 is set as 5.21 millimeters, and length is set as 22.6 millimeters.Outside roller 4
Diameter is set as 8.6 millimeters, and internal diameter is set as 5.23 millimeters, and length is set as 8.62 millimeters.
Embodiment 5:
Preferably, being advanced optimized on the basis of the above embodiments, especially for the utility model is better achieved
Using following setting structures:
The material of the motorcycle list rolling chain board 1 of the utility model uses No. 55 manganese steel, inner plate 2 and roller 4
Material is all made of 20CrMnTi, and the material of pin shaft 3 uses 35CrMnTi.Not only it can be reduced the production cost of chain, but also can mention
The structural strength of high chain.
Embodiment 6:
Preferably, being advanced optimized on the basis of the above embodiments, especially for the utility model is better achieved
Using following setting structures:
As shown in figure 4, the inner surface of the motorcycle list rolling chain roller 4 of the utility model is provided with oil guide groove 5, it is convenient
Lubricating oil is injected into the gap between roller 4 and pivot pin 3, to facilitate the rotation of roller 4, is reduced between roller 4 and pivot pin 3
Abrasion, improve wearability.
Embodiment 7:
As shown in figs. 5 and 6, the utility model also provides a kind of chain wheel of motorcycle, including big trochal disc 6, small trochal disc 7 and
Above-mentioned motorcycle list roller chain item, big trochal disc 6 and small trochal disc 7 engage connection with above-mentioned motorcycle list roller chain item respectively.Wherein,
Big trochal disc 6 is identical with the thickness of small trochal disc 7 and 0.02 millimeter of length of respectively less than roller 4.Wherein, the material of big trochal disc 6 is adopted
35CrMnTi is all made of with the material of 20CrMnTi, small trochal disc 7.
The big trochal disc 6 of the chain wheel of motorcycle of the utility model and the thickness of small trochal disc 7 increase, so that above-mentioned motorcycle list rolls
The engagement area of chain and big trochal disc 6 and small trochal disc 7 increases, and improves the stability and big trochal disc 6 and steamboat of chain drive
The wearability of disk 7.Simultaneously as the thickness of small trochal disc 7 increases, but also the countershaft of motorcycle engine and small trochal disc 7 connect
Contacting surface product increases.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.
Claims (9)
1. a kind of chain wheel of motorcycle, which is characterized in that including big trochal disc (6), small trochal disc (7) and motorcycle list roller chain item, institute
It states big trochal disc (6) and the small trochal disc (7) and engages connection with motorcycle list roller chain item respectively, the big trochal disc (6) and described small
The thickness of wheel disc (7) is identical and is 7.48~8.6 millimeters；
Motorcycle list roller chain item includes outer plate (1), inner plate (2), pin shaft (3) and roller (4), in which:
The outer plate (1) connect with the pin shaft (3) interference；
The inner plate (2) connect with the pin shaft (3) gap；
The roller (4) connect with the pin shaft (3) gap；
The outer plate (1) is interspersed with the inner plate (2).
2. chain wheel of motorcycle according to claim 1, which is characterized in that the width of the outer plate (1) is 12.12 millis
Rice, length are 24.2 millimeters, and with a thickness of 2.1~2.5 millimeters, pitch is 12.76 millimeters, and aperture is 4.58~6.18 millimeters.
3. chain wheel of motorcycle according to claim 2, which is characterized in that the width of the inner plate (2) is 12.12 millis
Rice, length are 24.2 millimeters, and with a thickness of 2.1~3.5 millimeters, pitch is 12.76 millimeters, and aperture is 4.62~6.22 millimeters.
4. chain wheel of motorcycle according to claim 3, which is characterized in that the diameter of the pin shaft (3) is 4.6~6.2 millis
Rice, length are 18.1~22.6 millimeters.
5. chain wheel of motorcycle according to claim 4, which is characterized in that the outer diameter of the roller (4) is 8.6 millimeters, interior
Diameter is 4.62~6.22 millimeters, and length is 7.5~8.62 millimeters.
6. chain wheel of motorcycle according to claim 1, which is characterized in that the material of the outer plate (1) is No. 55 manganese steel.
7. chain wheel of motorcycle according to claim 1, which is characterized in that the material of the inner plate (2) and the roller (4)
Matter is 20CrMnTi.
8. chain wheel of motorcycle according to claim 1, which is characterized in that the material of the pin shaft (3) is 35CrMnTi.
9. chain wheel of motorcycle according to any one of claim 1 to 8, which is characterized in that the inner surface of the roller (4)
It is provided with the oil guide groove (5) for loading lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920227426.9U CN209725103U (en) | 2019-02-20 | 2019-02-20 | A kind of chain wheel of motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920227426.9U CN209725103U (en) | 2019-02-20 | 2019-02-20 | A kind of chain wheel of motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209725103U true CN209725103U (en) | 2019-12-03 |
Family
ID=68683686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920227426.9U Expired - Fee Related CN209725103U (en) | 2019-02-20 | 2019-02-20 | A kind of chain wheel of motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209725103U (en) |
-
2019
- 2019-02-20 CN CN201920227426.9U patent/CN209725103U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |