CN220396379U

CN220396379U - Assembled roller chain

Info

Publication number: CN220396379U
Application number: CN202322129166.0U
Authority: CN
Inventors: 郑飞
Original assignee: Jiangsu Dongchong Transmission Machinery Co ltd
Current assignee: Jiangsu Dongchong Transmission Machinery Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-01-26
Anticipated expiration: 2033-08-09

Abstract

The utility model discloses an assembled roller chain, which comprises a chain wheel shaft, wherein inner chain plates are arranged at two ends of the chain wheel shaft, outer chain plates are arranged at one ends, far away from the chain wheel shaft, of the inner chain plates, first through holes are formed in the outer chain plates and the inner chain plates, first bolts are arranged in the first through holes, and the first bolts penetrate through the chain wheel shaft. According to the utility model, after the second bolt is pulled out, the positioning groove is separated from the positioning column, the clamping block is separated from the clamping groove, the connecting block is separated from the connecting groove, the separation of the sealing cover from the first bolt is completed, the first bolt is selectively pulled out according to actual conditions, the local replacement of the first bolt, the outer chain plate, the inner chain plate and the chain wheel shaft is realized, the integral use effect of the roller chain is maintained, the roller chain can be installed by reverse operation, the contact area during connection is increased through multi-group clamping connection, and the stability after connection is improved.

Description

Assembled roller chain

Technical Field

The utility model relates to the technical field of chains, in particular to an assembled roller chain.

Background

Roller chains are a type of chain drive used to transmit mechanical power chains, widely used in household, industrial and agricultural machinery, including conveyors, plotters, printers, automobiles, motorcycles, and bicycles, linked together by a series of short cylindrical rollers, driven by a gear called a sprocket, are simple, reliable, efficient power transmission devices;

the roller chain generally comprises inner link plate, outer link plate, round pin axle, sleeve and roller, has higher to the stability of connection in the in-process of using, and the stability of connection influences the later stage and uses, and when local damage needs to be changed, also is seeking convenient mode, and the roller chain is in the use moreover, and the inner link plate is contacted sprocket easily, and long-term friction has certain influence to its life-span, consequently needs to design an assembled roller chain and solves above-mentioned problem.

Disclosure of Invention

The utility model aims to provide an assembled roller chain, which solves the problems of assembly of the roller chain and friction between an inner chain plate and a chain wheel in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an assembled roller chain, includes the sprocket shaft, the inner link joint is all installed at the both ends of sprocket shaft, and the inner link joint is kept away from the one end of sprocket shaft and all is installed the outer link joint, the inside of outer link joint and inner link joint all is provided with first through-hole, and the internally mounted of first through-hole has first bolt, the inside of sprocket shaft is run through to first bolt, the closing cap is all installed to the bottom of first bolt, and the inside of closing cap all installs the fixture block, the inside of first bolt all is provided with the draw-in groove, and the draw-in groove all is connected with the fixture block, the inside that sprocket shaft one end was kept away from to inside both ends and inner link joint all evenly is provided with the second recess, and the second ball is all installed to the inside of second recess, the inside of closing cap all is provided with the mounting groove, the inside of first bolt all is provided with the second through-hole, the inside that the second bolt all runs through the second through-hole, the inside of closing cap all is provided with the intercommunicating pore, and intercommunicating pore all is linked with the mounting groove.

When the assembled roller chain of the technical scheme is used, the first bolt, the outer chain plate, the inner chain plate and the chain wheel shaft are partially replaced through the second bolt and the first bolt, the whole using effect of the roller chain is kept, the assembled roller chain can be installed through reverse operation, the contact area during connection is increased through multi-group clamping connection, and the stability after connection is improved.

Preferably, the bottom end of the first bolt and the top end of the sealing cover are both uniformly provided with positioning columns, positioning grooves are uniformly formed in the inner chain plate, and the positioning grooves are connected with the positioning columns.

Preferably, the size of the positioning column is matched with the size of the positioning groove, and the positioning column and the positioning groove are symmetrically arranged relative to the central axis of the first bolt.

Preferably, the sprocket shaft is provided with first grooves uniformly, first balls are mounted in the first grooves, and the first balls are connected with the outer wall of the first bolt.

Preferably, the connecting blocks are arranged on two sides of the clamping block, connecting grooves are uniformly formed in the sealing cover, and the connecting grooves are connected with the connecting blocks.

Preferably, the second balls are arranged at two ends of the sprocket shaft in a circular equidistant distribution.

Compared with the prior art, the utility model has the beneficial effects that: the assembled roller chain achieves the effects of local disassembly, assembly and replacement and friction force reduction;

through the second bolt and the first bolt, when local replacement is needed, the second bolt is ejected out of the mounting groove through a special tool penetrating through the inside of the communication hole, after the second bolt is pulled out, the positioning groove and the positioning column, the clamping block and the clamping groove, the connecting block and the connecting groove are separated, the separation of the sealing cover and the first bolt is completed, the first bolt is selectively pulled out according to actual conditions, the local replacement of the first bolt, the outer chain plate, the inner chain plate and the chain wheel shaft is realized, the integral use effect of the roller chain is kept, the installation can be realized through reverse operation, the contact area during connection is increased through multi-group clamping connection, and the stability after connection is improved;

through second ball and first ball, after the lubricating oil is paintd, the smoothness of first bolt, outer link joint, inner link joint, sprocket shaft angle modulation can be increased, frictional force is reduced to the life of whole roller chain has been improved to a certain extent.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the three-dimensional structure of the sprocket shaft of the present utility model;

FIG. 4 is a schematic view of a three-dimensional structure of a fixture block according to the present utility model;

fig. 5 is a schematic three-dimensional structure of a first latch according to the present utility model.

Reference numerals in the drawings illustrate: 1. a first latch; 2. an outer link plate; 3. an inner link plate; 4. chain wheel shaft; 5. a first groove; 6. a first ball; 7. a cover; 8. a first through hole; 9. a second groove; 10. a second ball; 11. a positioning groove; 12. positioning columns; 13. a second latch; 14. a mounting groove; 15. a second through hole; 16. a clamping block; 17. a connecting block; 18. a connecting groove; 19. a clamping groove; 20. the communication hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the assembled roller chain comprises a chain wheel shaft 4, wherein inner chain plates 3 are arranged at two ends of the chain wheel shaft 4, outer chain plates 2 are arranged at one ends of the inner chain plates 3 far away from the chain wheel shaft 4, first through holes 8 are formed in the outer chain plates 2 and the inner chain plates 3, and first bolts 1 are arranged in the first through holes 8;

the inside of the chain wheel shaft 4 is uniformly provided with first grooves 5, first balls 6 are arranged in the first grooves 5, and the first balls 6 are connected with the outer wall of the first bolt 1;

specifically, as shown in fig. 1, in use, the smoothness of the rotation of the first plug pin 1 is improved through the first ball 6;

the first bolt 1 penetrates through the inside of the sprocket shaft 4, and the bottom ends of the first bolts 1 are provided with sealing covers 7;

positioning columns 12 are uniformly arranged at the bottom end of the first bolt 1 and the top end of the sealing cover 7, positioning grooves 11 are uniformly formed in the inner chain plate 3, the positioning grooves 11 are connected with the positioning columns 12, the size of the positioning columns 12 is matched with that of the positioning grooves 11, and the positioning columns 12 and the positioning grooves 11 are symmetrically arranged relative to the central axis of the first bolt 1;

specifically, as shown in fig. 1, in use, the contact area of the first bolt 1, the sealing cover 7 and the outer chain plate 2 is increased through the positioning column 12, so that the stability of the first bolt 1, the sealing cover 7 and the outer chain plate 2 during installation is improved;

the inside of the sealing cover 7 is provided with clamping blocks 16;

connecting blocks 17 are arranged on two sides of the clamping block 16, connecting grooves 18 are uniformly formed in the sealing cover 7, and the connecting grooves 18 are connected with the connecting blocks 17;

specifically, as shown in fig. 1, in use, the contact area of the sealing cover 7 and the outer chain plate 2 is further increased through the connecting block 17, so that the stability of the connection of the sealing cover 7 and the outer chain plate 2 is further enhanced;

the first bolt 1 is internally provided with clamping grooves 19, the clamping grooves 19 are connected with clamping blocks 16, the two ends of the inside of the chain wheel shaft 4 and the inside of one end of the inner chain plate 3 far away from the chain wheel shaft 4 are uniformly provided with second grooves 9, and the inside of the second grooves 9 is provided with second balls 10;

the second balls 10 are arranged at the two ends of the chain wheel shaft 4 in a circular equidistant distribution;

specifically, as shown in fig. 1, when in use, the friction force between the inner link plate 3 and the sprocket shaft 4 is reduced by the second balls 10 on the outer side of the sprocket shaft 4, and the service life of the inner link plate 3 is prolonged;

the inside of closing cap 7 all is provided with mounting groove 14, and the inside of mounting groove 14 all installs second bolt 13, and the inside of first bolt 1 all is provided with second through-hole 15, and second bolt 13 all runs through the inside of second through-hole 15, and the inside of closing cap 7 all is provided with intercommunicating pore 20, and intercommunicating pore 20 all is linked together with mounting groove 14.

Working principle: when the utility model is used, firstly, when local replacement is needed, a special appliance passes through the inside of the communication hole 20, the second bolt 13 is ejected out of the mounting groove 14, after the second bolt 13 is extracted, the positioning groove 11, the positioning column 12, the clamping block 16, the clamping groove 19, the connecting block 17 and the connecting groove 18 are separated, the separation of the sealing cover 7 and the first bolt 1 is completed, the first bolt 1 is selectively extracted according to actual conditions, the local replacement of the first bolt 1, the outer chain plate 2, the inner chain plate 3 and the chain wheel shaft 4 is realized, the integral use effect of the roller chain is maintained, and the installation can be realized by reverse operation;

secondly, through second ball 10 and first ball 6, after the lubrication oil is paintd, the smoothness of first bolt 1, outer link joint 2, inner link joint 3, sprocket shaft 4 angle adjustment can be increased.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. An assembled roller chain comprising a sprocket shaft (4), characterized in that: the chain wheel shaft (4) is provided with an inner chain plate (3) at two ends, the inner chain plate (3) is far away from one end of the chain wheel shaft (4) and is provided with an outer chain plate (2), the inner parts of the outer chain plate (2) and the inner chain plate (3) are provided with a first through hole (8), the inner parts of the first through hole (8) are provided with a first bolt (1), the first bolt (1) penetrates through the inner part of the chain wheel shaft (4), the bottom end of the first bolt (1) is provided with a sealing cover (7), the inner part of the sealing cover (7) is provided with a clamping block (16), the inner part of the first bolt (1) is provided with a clamping groove (19), the clamping groove (19) is connected with the clamping block (16), the inner parts of the two ends of the inner part of the chain wheel shaft (4) and the inner chain plate (3) are far away from the inner part of the chain wheel shaft (4), the inner part of the second through hole (9) is provided with a second groove (10), the inner part of the second groove (9) is provided with a second bolt (13), the inner part of the sealing cover (7) is provided with a mounting groove (14), the inner part of the sealing cover (7) is provided with a second bolt (13), the second bolt (13) penetrates through the inner part (15), the inside of closing cap (7) all is provided with intercommunicating pore (20), and intercommunicating pore (20) all are linked together with mounting groove (14).

2. An assembled roller chain according to claim 1, wherein: positioning columns (12) are uniformly arranged at the bottom end of the first bolt (1) and the top end of the sealing cover (7), positioning grooves (11) are uniformly formed in the inner chain plate (3), and the positioning grooves (11) are connected with the positioning columns (12).

3. An assembled roller chain according to claim 2, wherein: the size of the positioning column (12) is matched with that of the positioning groove (11), and the positioning column (12) and the positioning groove (11) are symmetrically arranged relative to the central axis of the first bolt (1).

4. An assembled roller chain according to claim 1, wherein: the inside of sprocket shaft (4) all evenly is provided with first recess (5), and first ball (6) are all installed to the inside of first recess (5), first ball (6) all are connected with the outer wall of first bolt (1).

5. An assembled roller chain according to claim 1, wherein: connecting blocks (17) are arranged on two sides of the clamping block (16), connecting grooves (18) are uniformly formed in the sealing cover (7), and the connecting grooves (18) are connected with the connecting blocks (17).

6. An assembled roller chain according to claim 1, wherein: the second balls (10) are arranged at the two ends of the chain wheel shaft (4) in a circular equidistant distribution.