CN219452779U

CN219452779U - Motorcycle chain

Info

Publication number: CN219452779U
Application number: CN202320569089.8U
Authority: CN
Inventors: 孙举; 何昌武; 魏朋; 陈仲林; 钟迪
Original assignee: Hangzhou Qianjiang Chain Industries Co ltd
Current assignee: Hangzhou Qianjiang Chain Industries Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-01
Anticipated expiration: 2033-03-21

Abstract

The application discloses motorcycle chain relates to motorcycle spare part technical field, including outer link joint, the quantity of outer link joint is two, the fixed round pin axle that is equipped with of inner wall of outer link joint, the round pin axle is located between two outer link joint, the outer wall rotation of round pin axle has cup jointed the inner link joint, the quantity of inner link joint is two, the ring channel has been seted up to the outer wall of round pin axle, the inner wall roll link of ring channel has the ball, the outer wall roll connection of ball has the sleeve, ring channel and sleeve all are located between two inner link joint. The cooperation setting between structures such as this application passes through outer link joint, round pin axle, interior link joint, ball and sleeve is favorable to reducing the vibrations when moving between round pin axle and sleeve through the ball to make the device more steady when moving, reduce and take place the cracked problem of motorcycle chain and appear, improve the life of this motorcycle chain, reduce economic cost expenditure.

Description

Motorcycle chain

Technical Field

The application relates to the technical field of motorcycle parts, in particular to a motorcycle chain.

Background

The motorcycle chain is a component part on a motorcycle.

The related art motorcycle chain can refer to Chinese patent with the issued publication number of CN205534019U, wherein a motorcycle chain is disclosed, and comprises an inner chain plate component and an outer chain plate component, wherein the inner chain plate component comprises two relatively parallel inner chain plates and two pairs of nesting structures for connecting the two inner chain plates, the outer chain plate component comprises two relatively parallel outer chain plates and two pin shafts for connecting the two outer chain plates, and the two pairs of nesting structures are respectively sleeved on one pin shaft of one outer chain plate component, namely, the left end and the right end of the inner chain plate component are respectively connected with one outer chain plate component; each of the outer chain plate and the inner chain plate is 8-shaped and comprises a left outer circle, a right outer circle and a waist, the width of the waist is shorter than the maximum longitudinal diameter of the left outer circle and the right outer circle, and through holes for installing pin shafts and for clamping and sleeving structures are respectively formed in the inner chain plate and the outer chain plate.

However, the device is found in the in-service use process, and the device has the advantages of flexible rotation, small noise and the like, but when in actual operation, the chain can generate severe vibration, and after long-time use, the problem of chain breakage easily occurs, so that the normal use of the motorcycle chain is affected.

Disclosure of Invention

The utility model aims to solve or at least alleviate the problems that the chain generates severe vibration during actual operation and is easy to break after long-time use in the prior art, thereby influencing the normal use of the motorcycle chain.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the number of the outer chain plates is two, pin shafts are fixedly arranged on the inner walls of the outer chain plates, the pin shafts are located between the two outer chain plates, the outer walls of the pin shafts are rotatably sleeved with the inner chain plates, the number of the inner chain plates is two, annular grooves are formed in the outer walls of the pin shafts, balls are in rolling connection with the inner walls of the annular grooves, sleeves are in rolling connection with the outer walls of the balls, and the annular grooves and the sleeves are located between the two inner chain plates.

Optionally, the outer wall of the pin shaft is provided with four grooves, and the four grooves are uniformly distributed on the outer wall of the pin shaft.

By adopting the technical scheme, when the motorcycle chain is filled with lubricating oil, the lubricating oil can be smoothly immersed into the motorcycle chain through the grooves.

Optionally, the outer wall of the outer chain plate is provided with a through hole, and the through hole penetrates through the pin shaft.

By adopting the technical scheme, the quality of the pin shaft is reduced, so that the burden of the motorcycle chain in operation is reduced.

Optionally, the outer chain plate and the inner chain plate are designed to be thin, and the thickness of the two ends of the outer chain plate and the inner chain plate is thin.

By adopting the technical scheme, the outer chain plate and the inner chain plate are designed to be thin, so that the overall quality of the outer chain plate and the inner chain plate is reduced, and the burden of the motorcycle chain in operation is reduced by matching with the pin shaft.

Optionally, the number of the annular grooves is two, and the two annular grooves are symmetrically distributed on two sides of the pin shaft.

By adopting the technical scheme, the vibration of the motorcycle chain during operation is reduced, and the device is more stable.

Optionally, the outer link plate is a stainless steel plate, and the inner link plate is a stainless steel plate.

By adopting the technical scheme, the rust speed of the outer chain plate on the inner chain plate is reduced, and the service life of the outer chain plate is prolonged.

In summary, the beneficial effects of the application are as follows:

the cooperation setting between structures such as this application passes through outer link joint, round pin axle, interior link joint, ball and sleeve is favorable to reducing the vibrations when moving between round pin axle and sleeve through the ball to make the device more steady when moving, reduce and take place the cracked problem of motorcycle chain and appear, improve the life of this motorcycle chain, reduce economic cost expenditure.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic side sectional view of the present application;

fig. 3 is a schematic view of the front cross-section structure of the present application.

Reference numerals illustrate: 1. an outer link plate; 2. a pin shaft; 3. an inner link plate; 4. an annular groove; 5. a ball; 6. a sleeve; 7. a groove; 8. and a through hole.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

Referring to fig. 1-3, a motorcycle chain comprises two outer chain plates 1, pin shafts 2 fixedly assembled on the inner walls of the outer chain plates 1, the pin shafts 2 are positioned between the two outer chain plates 1, the outer walls of the pin shafts 2 are rotatably sleeved with inner chain plates 3, the number of the inner chain plates 3 is two, annular grooves 4 are formed in the outer walls of the pin shafts 2, balls 5 for reducing vibration between the pin shafts 2 and sleeves 6 are in rolling connection with the inner walls of the annular grooves 4, the outer walls of the balls 5 are in rolling connection with the sleeves 6, and the annular grooves 4 and the sleeves 6 are positioned between the two inner chain plates 3.

Referring to fig. 1, the outer wall of the pin shaft 2 is provided with four grooves 7, and the four grooves 7 are uniformly distributed on the outer wall of the pin shaft 2, so that the grooves 7 are beneficial to enabling lubricating oil to more smoothly infiltrate into the motorcycle chain through the grooves 7 when the motorcycle chain is filled with lubricating oil.

Referring to fig. 1 and 3, the outer wall of the outer link plate 1 is provided with a through hole 8, and the through hole 8 penetrates through the pin shaft 2, and the quality of the pin shaft 2 is reduced by arranging the through hole 8, so that the burden of the motorcycle chain in operation is reduced.

Referring to fig. 1 and 2, the outer link plate 1 and the inner link plate 3 are designed to be thin, the middle of the two ends of the outer link plate 1 and the inner link plate 3 is thin, and the thin waist design is adopted for the outer link plate 1 and the inner link plate 3, so that the overall quality of the outer link plate 1 and the inner link plate 3 is reduced, and the burden of a motorcycle chain in running is reduced by matching with the pin shaft 2.

Referring to fig. 2, the number of the annular grooves 4 is two, and the two annular grooves 4 are symmetrically distributed on two sides of the pin shaft 2, so that the vibration of the motorcycle chain during operation can be reduced by limiting the number and the positions of the annular grooves 4, and the device is more stable.

Referring to fig. 1, the outer link plate 1 is a stainless steel plate, the inner link plate 3 is a stainless steel plate, and the corrosion speed of the outer link plate 1 on the inner link plate 3 is reduced by limiting the materials of the outer link plate 1 and the inner link plate 3, so that the service life of the outer link plate is prolonged.

The implementation principle of the application is as follows: the motorcycle chain comprises an outer chain plate 1, a pin shaft 2, an inner chain plate 3, balls 5 and a sleeve 6, when the motorcycle chain is used, a transmission gear is repeatedly meshed with the sleeve 6 in the rotating process, the balls 5 are arranged, when the transmission gear is in contact with the sleeve 6, the gaps between the sleeve 6 and the pin shaft 2 are reduced due to the balls 5, so that the sleeve 6 is prevented from being in direct contact with and friction with the pin shaft 2 in the rolling process of the sleeve 6, the vibration amplitude of the sleeve 6 on the pin shaft 2 is reduced, the vibration of the motorcycle chain is reduced, and the abrasion between the sleeve 6 and the pin shaft 2 is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Motorcycle chain, including outer link joint (1), its characterized in that: the number of the outer chain plates (1) is two, the pin shafts (2) are fixedly arranged on the inner walls of the outer chain plates (1), the pin shafts (2) are located between the two outer chain plates (1), the outer walls of the pin shafts (2) are rotationally sleeved with the inner chain plates (3), the number of the inner chain plates (3) is two, the outer walls of the pin shafts (2) are provided with annular grooves (4), the inner walls of the annular grooves (4) are in rolling connection with balls (5), the outer walls of the balls (5) are in rolling connection with sleeves (6), and the annular grooves (4) and the sleeves (6) are located between the two inner chain plates (3).

2. A motorcycle chain according to claim 1, wherein: the outer wall of the pin shaft (2) is provided with four grooves (7), and the four grooves (7) are uniformly distributed on the outer wall of the pin shaft (2).

3. A motorcycle chain according to claim 1, wherein: the outer wall of the outer chain plate (1) is provided with a through hole (8), and the through hole (8) penetrates through the pin shaft (2).

4. A motorcycle chain according to claim 1, wherein: the outer chain plate (1) and the inner chain plate (3) are designed to be thin, and the thickness of the two ends of the outer chain plate (1) and the inner chain plate (3) is thin.

5. A motorcycle chain according to claim 1, wherein: the number of the annular grooves (4) is two, and the two annular grooves (4) are symmetrically distributed on two sides of the pin shaft (2).

6. A motorcycle chain according to claim 1, wherein: the outer chain plate (1) is a stainless steel plate, and the inner chain plate (3) is a stainless steel plate.