CN213419790U

CN213419790U - Self-lubricating chain link and self-lubricating chain

Info

Publication number: CN213419790U
Application number: CN202021896760.2U
Authority: CN
Inventors: 黄伟达; 刘家强; 拱建军; 黄千益; 夏占豪
Original assignee: Suzhou Universal Group Technology Co ltd
Current assignee: Suzhou Universal Group Technology Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-06-11
Anticipated expiration: 2030-09-03

Abstract

The utility model provides a self-lubricating chain link and a self-lubricating chain, which relate to the technical field of roller type chains, and comprise two pin shafts, two sleeves, two inner chain plates and two rollers; the two ends of the two inner chain plates and the sleeves are respectively sleeved on the corresponding pin shafts; the sleeve is sleeved with a first engineering plastic bearing, the roller is sleeved on the first engineering plastic bearing, and the roller is located between the two inner chain plates. The utility model provides a self-lubricating chain link has first engineering plastic bearing between sleeve and roller, because engineering plastic has outstanding antifriction, wearability and can the self-lubricating to need not add lubricating oil between sleeve and roller. The utility model provides a self-lubricating chain need not add lubricating oil on the chain, just so does not have the problem of getting rid of oil and easy suction dust.

Description

Self-lubricating chain link and self-lubricating chain

Technical Field

The utility model belongs to the technical field of the technique of roller formula chain and specifically relates to a self-lubricating chain link and self-lubricating chain are related to.

Background

When the chain moves repeatedly, in order to reduce friction and prolong the wear life of the chain, lubricating oil is often required to be added into the chain, so that the chain has better wear resistance.

At present only add lubricating oil on the surface of chain, in the use, because the chain is continuous motion, lubricating oil is more, can appear throwing away of lubricating oil, when the lubricated oil mass is few, can lead to lubricated not enough, and lubricating oil exposes outside, easily adsorbs dust, influences lubricated effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-lubricating chain link and self-lubricating chain to solve present chain and utilize lubricating oil friction reduction, easily get rid of the technical problem that oil easily adsorbs dust.

The utility model provides a self-lubricating chain link, which comprises two pin shafts, two sleeves, two inner chain plates and two rollers;

the two ends of the two inner chain plates and the sleeves are respectively sleeved on the corresponding pin shafts; the sleeve is sleeved with a first engineering plastic bearing, the roller is sleeved on the first engineering plastic bearing, and the roller is located between the two inner chain plates.

Further, a second engineering plastic bearing is arranged between the pin shaft and the sleeve.

Further, the sleeve is flush with two ends of the second engineering plastic bearing.

Further, the sleeve is flush with the outer side wall of the inner chain plate.

Further, both ends of the first engineering plastic bearing are flush with both ends of the roller.

The utility model provides a self-lubricating chain link has first engineering plastic bearing between sleeve and roller, because engineering plastic has outstanding antifriction, wearability and can the self-lubricating to need not add lubricating oil between sleeve and roller.

The utility model also provides a self-lubricating chain, which comprises a plurality of pairs of external chain plates and a plurality of self-lubricating chain links;

and the pairs of outer chain plates are used for connecting the adjacent self-lubricating chain links, and the pairs of outer chain plates enable the self-lubricating chain links to form self-lubricating chains.

Further, the pair of outer link plates includes two outer link plates;

the outer chain plates and the inner chain plates are both provided with two pin holes, and the pin shaft penetrates through the pin holes of the outer chain plates and the inner chain plates to enable one ends of the two outer chain plates and the two inner chain plates to penetrate through the pin shaft.

Further, the two inner chain plates are positioned between the two outer chain plates.

Further, the sleeve is located between the two outer link plates.

Further, the self-lubricating chain is connected end to form a closed loop.

The utility model provides a self-lubricating chain need not add lubricating oil on the chain, just so does not have the problem of getting rid of oil and easy suction dust.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a self-lubricating link according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a self-lubricating chain according to an embodiment of the present invention;

FIG. 3 is a schematic view of another angular configuration of the self-lubricating chain of FIG. 2;

fig. 4 is a partial enlarged view of a of the self-lubricating chain shown in fig. 3.

Icon: 100-outer link plates; 200-inner chain plates; 300-a pin shaft; 400-a roller; 500-a first engineering plastic bearing; 600-a sleeve; 700-second engineering plastic bearing.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the present invention provides a self-lubricating link, which comprises two pins 300, two sleeves 600, two inner plates 200 and two rollers 400;

the two ends of the two inner chain plates 200 and the sleeve 600 are respectively sleeved on the corresponding pin shafts 300; the sleeve 600 is sleeved with a first engineering plastic bearing 500, the roller 400 is sleeved on the first engineering plastic bearing 500, and the roller 400 is located between the two inner chain plates 200.

In some embodiments, the self-lubricating chain link comprises two pin shafts 300, two sleeves 600, two inner chain plates 200 and two rollers 400, the sleeve 600 is sleeved on the pin shaft 300, the first engineering plastic bearing 500 is sleeved outside the sleeve 600, the rollers 400 are sleeved on the first engineering plastic bearing 500, lubricating oil is not required to be added depending on the lubricating property of engineering plastic, and therefore the problems of oil throwing and dust adsorption caused by the fact that lubricating oil is required to lubricate between the rollers 400 and the sleeve 600 are solved.

The roller 400 is disposed between the two inner link plates 200, and the two inner link plates 200 limit the range of axial movement of the roller 400 on the pin 300 along the pin 300, so that the chain formed by the links is more accurately matched with the chain disc.

The width of the first engineering plastic bearing 500 in the roller 400 is generally not less than the width of the roller 400, thereby ensuring that the roller 400 can be stably fixed on the sleeve 600.

Based on the above embodiments, further, a second engineering plastic bearing 700 is disposed between the pin 300 and the sleeve 600.

In order to reduce the friction force of the chain formed by the links and enable the chain to be lubricated more smoothly, a second engineering plastic bearing 700 is arranged between the pin shaft 300 and the sleeve 600, and the second engineering plastic bearing 700 can lubricate the pin shaft 300 and the sleeve 600, so that the friction force between the pin shaft 300 and the sleeve 600 is reduced.

The first engineering plastic bearing 500 and the second engineering plastic bearing 700 are made of engineering plastics which have outstanding antifriction and wear resistance and can self-lubricate, the engineering plastic bearing is made of the engineering plastics with the characteristics, lubricating oil does not need to be added, and the problem that the use of a chain is influenced due to the fact that the oil quantity of the lubricating oil is not easy to control is solved.

Based on the above embodiment, further, the sleeve 600 is flush with both ends of the second engineering plastic bearing 700.

Further, the sleeve 600 is flush with the outer sidewall of the inner link plate 200.

Further, both ends of the first engineering plastic bearing 500 are flush with both ends of the roller 400.

The two ends of the first engineering plastic bearing 500 are flush with the roller 400, so that the roller 400 can stably rotate without shaking.

The utility model provides a self-lubricating chain link has first engineering plastic bearing 500 between sleeve 600 and roller 400, because engineering plastic has outstanding antifriction, wearability and can the self-lubricating to need not add lubricating oil between sleeve 600 and roller 400.

As shown in fig. 2-4, the present invention further provides a self-lubricating chain, which comprises a plurality of pairs of link plates 100 and a plurality of self-lubricating links;

a pair of the outer link plates 100 is used to connect adjacent self-lubricating links, and a plurality of pairs of the outer link plates 100 form a self-lubricating chain from a plurality of self-lubricating links.

Based on the above embodiment, further, the pair of outer link plates 100 includes two outer link plates 100;

the outer link plates 100 and the inner link plates 200 are provided with two pin holes, and the pin shaft 300 passes through the pin holes of the outer link plates 100 and the inner link plates 200 to enable one ends of the two outer link plates 100 and the two inner link plates 200 to penetrate through the pin shaft 300.

Two outer chain links 100 are used between adjacent self-lubricating chain links, two pin holes are arranged on the two outer chain links 100, two pin holes on one outer chain link 100 are respectively sleeved on the pin shafts 300 of the two adjacent chain links, so that the two adjacent self-lubricating chain links are realized, and the plurality of self-lubricating chain links are connected by adopting the outer chain links 100, thereby forming a self-lubricating chain.

Based on the above embodiment, further, two inner link plates 200 are located between two outer link plates 100.

Two outer link plates 100 are arranged on the pin shaft 300, in order to enable the outer link plates 100 to be in better contact with the inner link plates 200, the sleeves 600 are flush with the outer side walls of the inner link plates 200, and the two outer link plates 100 better clamp the two inner link plates 200 and limit the two inner link plates 200 to move on the pin shaft 300 along the axial direction.

Based on the above embodiment, further, the sleeve 600 is located between two outer link plates 100.

In some embodiments, the sleeve 600 is located between two outer link plates 100, the second engineering plastic bearing 700 provided in the sleeve 600 does not generally protrude from the inside of the sleeve 600, and in order to ensure stable rotation of the sleeve 600, the width of the second engineering plastic bearing 700 is the same as that of the sleeve 600, thereby enabling the outer link plates 100 to effectively limit the rotation range of the sleeve 600.

Further, the self-lubricating chain is connected end to form a closed loop.

The common inner link plate 200 or the common outer link plate 100 of the adjacent pins 300 of the self-lubricating chain, the common inner link plate 200 with the pin 300 on the adjacent side and the common outer link plate 100 with the pin 300 on the adjacent other side of the same pin 300 generally form a closed-loop chain when connected end to end.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A self-lubricating chain link is characterized by comprising two pin shafts, two sleeves, two inner chain plates and two rollers;

2. The self-lubricating link of claim 1, wherein a second engineering plastic bearing is disposed between the pin and the sleeve.

3. The self-lubricating link of claim 2, wherein the bushing is flush with both ends of the second engineering plastic bearing.

4. The self-lubricating link of claim 2, wherein the bushing is flush with an outer sidewall of the inner link plate.

5. The self-lubricating link of claim 4, wherein both ends of the first engineering plastic bearing are flush with both ends of the roller.

6. A self-lubricating chain comprising a plurality of pairs of link plates and a plurality of self-lubricating links according to any one of claims 1 to 5;

7. The self-lubricating chain of claim 6, wherein a pair of the outer link plates comprises two outer link plates,

8. The self-lubricating chain of claim 7, wherein two of the inner link plates are located between two of the outer link plates.

9. The self-lubricating chain of claim 7, wherein the bushing is located between two of the outer link plates.

10. The self-lubricating chain of claim 7, wherein the self-lubricating chain is connected end-to-end to form a closed loop.