CN219388541U

CN219388541U - Compact chain tensioning mechanism

Info

Publication number: CN219388541U
Application number: CN202320410469.7U
Authority: CN
Inventors: 陈朋; 赖光航
Original assignee: Anhui Leoch Battery Technology Co Ltd
Current assignee: Anhui Leoch Battery Technology Co Ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-07-21
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to a compact chain tensioning mechanism, which comprises a steel plate, wherein a plurality of groups of sprockets which are horizontally arranged are rotationally connected to the surface of the steel plate, a closed chain is arranged on the surface of the plurality of groups of sprockets, the plurality of groups of sprockets are connected through chain transmission, two groups of guide grooves which are parallel to the conveying direction of the chain are arranged on the steel plate and are positioned in an area surrounded by the closed chain.

Description

Compact chain tensioning mechanism

Technical Field

The utility model relates to the technical field of chain transmission, in particular to a compact chain tensioning mechanism.

Background

The chain transmission is to tension the chain, the tensioning wheel is usually required to be arranged or shafts at two ends are regulated to be movable to tension the chain, if the tensioning wheel is used for tensioning, the tensioning wheel, the spring, the connecting rod and other mechanisms are required to be arranged, a certain space is required, but in some cases, the space of the device is very limited, the shafts at two ends cannot be movable, and therefore, a compact chain tensioning mechanism is proposed to solve the problem.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a compact chain tensioning mechanism, which has the following specific technical scheme:

the compact chain tensioning mechanism comprises a steel plate, wherein a plurality of groups of horizontally arranged chain wheels are rotationally connected to the surface of the steel plate, a plurality of groups of closed chains are arranged on the surface of the chain wheels, a plurality of groups of chain wheels are connected through chain transmission, two groups of guide grooves parallel to the conveying direction of the chain are arranged on the steel plate and located in an area surrounded by the closed chains, and tensioning assemblies for providing tensioning force for the chains are arranged in the guide grooves;

the tensioning assembly comprises a guide shaft movably inserted in the guide groove, a guide rod is fixedly inserted in the guide shaft, a tensioning wheel is rotationally arranged at one end of the guide rod and located in an area surrounded by the chain, the tensioning wheel is meshed with the chain and enables the chain to be tensioned through movement of the tensioning wheel, and a tensioning block for limiting the relative position of the guide groove and the tensioning wheel is arranged between the guide groove and the tensioning wheel.

According to the improvement of the technical scheme, one end of the tensioning block is arranged in the guide groove and is abutted to the guide shaft, the other end of the tensioning block is connected with the steel plate through the bolt, and the tensioning block is driven to move so as to push the tensioning wheel to move towards the tensioning direction of the chain.

According to the improvement of the technical scheme, the tensioning block comprises an abutting portion arranged inside the guide groove, the abutting portion is abutted to the guide shaft, an installation portion is vertically arranged at one end, far away from the guide shaft, of the abutting portion, and the installation portion is located on the surface of the steel plate and connected with the steel plate through a bolt.

According to the improvement of the technical scheme, the mounting part is provided with a strip-shaped groove for adjusting the position of the bolt.

According to the improvement of the technical scheme, the joint of the abutting part and the mounting part is in arc transition connection.

According to the improvement of the technical scheme, the top and the bottom of the guide shaft are respectively provided with a limiting groove, and the limiting grooves are used for enabling the guide shaft to move only along the radial direction of the guide shaft.

The utility model has the beneficial effects that:

the tensioning wheel is adopted to extrude the chain from the inner side to tension, the occupied space is reduced, one end of the tensioning block is used for supporting the guide shaft of the tensioning wheel, the other end of the tensioning block is fixed on the steel plate through the bolt, after the chain is installed, the tensioning block is pushed to the direction in which the chain needs to be tensioned, the guide shaft is pushed to move by the tensioning block, the guide shaft drives the tensioning wheel to move to the direction in which the chain needs to be tensioned, the tensioning wheel is driven to tension the chain, and then the bolt on the tensioning block is tightened, so that the chain can be tensioned, the structure is simple, and operation is convenient.

Drawings

FIG. 1 is a front view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the connection structure of the tensioning assembly and the steel plate according to the present utility model;

FIG. 3 is a schematic view of the structure of the tensioning block of the present utility model

Fig. 4 is a schematic view of the connection structure of the guide shaft and the tensioning wheel of the present utility model.

Reference numerals: 1. a steel plate; 2. a sprocket; 21. a chain; 3. a tensioning assembly; 31. a guide shaft; 311. a limit groove; 32. a guide rod; 33. a tensioning wheel; 34. a tensioning block; 341. a collision part; 342. a mounting part; 343. a bar-shaped groove; 4. a guide groove.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The compact chain tensioning mechanism comprises a steel plate 1, wherein a plurality of groups of horizontally arranged chain wheels 2 are rotatably connected to the surface of the steel plate 1, a plurality of groups of closed chains 21 are arranged on the surface of the chain wheels 2, a plurality of groups of chain wheels 2 are in transmission connection through the chains 21, two groups of guide grooves 4 parallel to the conveying direction of the chains are arranged on the steel plate 1 and located in the area surrounded by the closed chains 21, and tensioning assemblies 3 for providing tensioning force for the chains 21 are arranged in the guide grooves 4;

the tensioning assembly 3 comprises a guide shaft 31 movably inserted into the guide groove 4, a guide rod 32 is fixedly inserted into the guide shaft 31, a tensioning wheel 33 is rotatably arranged at one end of the guide rod 32 and located in an area surrounded by the chain 21, the tensioning wheel 33 is meshed with the chain 21 and enables the chain to be tensioned through movement of the tensioning wheel 33, and a tensioning block 34 for limiting the relative position of the guide groove 4 and the tensioning wheel 33 is arranged between the guide groove and the tensioning wheel 33.

Two groups of guide grooves 4 are formed in the steel plate 1 parallel to the running plane of the chain 21, the two groups of guide grooves 4 are horizontally arranged, the tensioning wheel 33 is mounted on the guide shaft 31 through the guide rod 32 and clamped in the guide grooves 4 through the guide shaft 31, the guide shaft 31 can move towards the tensioning direction of the chain 21, the tensioning block 34 is clamped in the guide groove 4 at the moment, one end of the tensioning block is abutted against the guide shaft 31, the other end of the tensioning block 34 is fixed on the steel plate 1 through a bolt, after the chain 21 is mounted, the tensioning block 34 is pushed towards the direction of the chain 21 to be tensioned, the tensioning block 34 pushes the guide shaft 31 to move, the guide shaft 31 drives the tensioning wheel 33 to move towards the direction of the chain 21 to be tensioned, at the moment, the tensioning wheel 33 is driven to tension the chain 21, the bolt on the tensioning block 34 is tightened, the tensioning mechanism can keep tensioned, the tensioning mechanism is small in size and small in space, and simple in structure, and can meet the tensioning of the chain without moving of an end shaft.

In one embodiment, referring to fig. 1 and 2, one end of the tensioning block 34 is disposed in the guide groove 4 and abuts against the guide shaft 31, the other end of the tensioning block 34 is connected with the steel plate 1 through a bolt, the tensioning block 34 is driven to move so as to push the tensioning wheel 33 to move towards the tensioning direction of the chain 21, the tensioning block 34 is pushed, one end of the tensioning block 34 located in the guide groove 4 can push the guide shaft 31 to move, and the other end of the tensioning block 34 is fixed on the steel plate 1 through a bolt.

For the tensioning piece 34 of being convenient for install on steel sheet 1, refer to fig. 3, tensioning piece 34 is including setting up the conflict portion 341 inside guide way 4, conflict portion 341 and guiding axle 31 butt, the one end that guiding axle 31 was kept away from to conflict portion 341 is provided with installation department 342 perpendicularly, installation department 342 is located steel sheet 1 surface and is connected with steel sheet 1 through the bolt, conflict portion 341 is located guide way 4 and takes place the butt with guiding axle 31, conflict portion 341 through setting up perpendicularly with installation department 342 for installation department 342 is located guide way 4 outside and is parallel with steel sheet 1 surface, is convenient for install tensioning piece 34 fixedly through the bolt.

In order to facilitate quick locking of the mounting portion 342, referring to fig. 1, 2 and 3, a bar-shaped groove 343 for adjusting a position of a bolt is formed in the mounting portion 342, the bolt is unscrewed, so that after the mounting portion 342 can move, the mounting portion 342 is utilized to push the abutting portion 341 to move, and when the abutting portion 341 moves to a designated position, the bolt is screwed down, so that quick locking of the mounting portion 342 can be satisfied.

In one embodiment, referring to fig. 3, the connection between the abutting portion 341 and the mounting portion 342 is in a circular arc transition connection, so as to reduce the stress at the connection between the abutting portion 341 and the mounting portion 342.

In order to avoid the separation of the guide shaft 31 from the guide groove 4, referring to fig. 2 and fig. 4, the top and the bottom of the guide shaft 31 are both provided with a limiting groove 311, the limiting groove 311 is used for the guide shaft 31 to move only along the radial direction of the guide shaft 31, and the problem that the guide shaft 31 moves along the axial direction thereof to separate from the guide groove 4 can be effectively avoided under the action of the limiting groove 311.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A compact chain tensioning mechanism, characterized by: the novel chain comprises a steel plate (1), wherein a plurality of groups of horizontally arranged chain wheels (2) are rotationally connected to the surface of the steel plate (1), a plurality of groups of closed chains (21) are arranged on the surface of the chain wheels (2), a plurality of groups of chain wheels (2) are in transmission connection through the chains (21), two groups of guide grooves (4) parallel to the conveying direction of the chains (21) are formed in the region, surrounded by the closed chains (21), of the steel plate (1), and tensioning assemblies (3) used for providing tensioning force for the chains (21) are arranged in the guide grooves (4);

the tensioning assembly (3) comprises a guide shaft (31) movably inserted into the guide groove (4), a guide rod (32) is fixedly inserted into the guide shaft (31), a tensioning wheel (33) is rotationally arranged at one end of the guide rod (32) and located in an area surrounded by the chain (21), the tensioning wheel (33) is meshed with the chain (21) and enables the chain (21) to be tensioned through movement of the tensioning wheel (33), and a tensioning block (34) for limiting the relative position of the guide groove (4) and the tensioning wheel (33) is arranged between the guide groove and the tensioning wheel.

2. A compact chain tensioning mechanism as set forth in claim 1, wherein: one end of the tensioning block (34) is arranged in the guide groove (4) and is abutted to the guide shaft (31), the other end of the tensioning block (34) is connected with the steel plate (1) through a bolt, and the tensioning block (34) is driven to move so as to push the tensioning wheel (33) to move towards the tensioning direction of the chain (21).

3. A compact chain tensioning mechanism as set forth in claim 2, wherein: tensioning piece (34) are including setting up at inside conflict portion (341) of guide way (4), conflict portion (341) and guiding axle (31) butt, the one end that guiding axle (31) was kept away from to conflict portion (341) is provided with installation department (342) perpendicularly, installation department (342) are located steel sheet (1) surface and are connected with steel sheet (1) through the bolt.

4. A compact chain tensioning mechanism according to claim 3 wherein: the mounting part (342) is provided with a strip-shaped groove (343) for adjusting the position of the bolt.

5. A compact chain tensioning mechanism according to claim 3 wherein: the joint of the abutting part (341) and the mounting part (342) is in arc transition connection.

6. A compact chain tensioning mechanism as set forth in claim 1, wherein: the top and the bottom of the guide shaft (31) are respectively provided with a limit groove (311), and the limit grooves (311) are used for enabling the guide shaft (31) to move only along the radial direction of the guide shaft (31).