CN218137694U

CN218137694U - Chain wrench

Info

Publication number: CN218137694U
Application number: CN202222055477.2U
Authority: CN
Inventors: 张晓军; 赵信义; 陈伟大; 郭宝瑞; 姚振升
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-12-27
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a chain wrench, which comprises a wrench handle, wherein a chain fixing sleeve is fixedly installed above the wrench handle in an integrated manner, an antiskid plate is installed on the right side of the chain fixing sleeve, an antiskid groove is formed in the outer surface of the antiskid plate, a fixing bolt is installed at the front end of the wrench handle, and a wrench chain is installed on the right side of the wrench handle; and the limiting cavity is arranged on the outer surface of the wrench handle. This chain spanner passes through spanner handle, the fixed cover of chain, the antiskid ribbed tile, fixing bolt, spanner chain, constitution such as spacing connective bar, structural design is novel, the commonality is good, overall structure is simple relatively, the operating personnel of being convenient for understand, through adjusting the chain length, adapt to various part dismantlements, the activity duration has been shortened, the operation cost is reduced, guaranteed that the maintenance quality has advantages such as easy operation and convenient to carry are swift, simple structure simultaneously, easy operation, the cost of manufacture is low, the later maintenance takes lowly, the application is good.

Description

Chain wrench

Technical Field

The utility model relates to the technical field of machinery, specifically a chain spanner.

Background

The tool for wrenching or clamping cylindrical workpiece such as pipe and circular rod is composed of adjustable chain, toothed jaw and long handle, the chain is hinged to the handle of pipe pliers via connecting plate, i.e. one end of chain is hinged to one end of connecting plate, the other end of connecting plate is hinged to handle of pipe pliers, the teeth at front end of handle of pipe pliers are distributed in arc, when the pipe wrench is working, the non-hinged end of chain is free and not fixed or hinged to handle of pipe pliers, the clamping and rotation of pipe are realized by friction force between pipe and chain wound with pipe, and the torque force is generated by the meshing force of partial roller cone at front end of handle of pipe and chain, and the handle of pipe has no force application point on surface of pipe.

The existing chain wrench mainly comprises a handle, a clamping tooth head, a chain and the like, wherein the clamping tooth head is easy to slip and loosen with the chain in practical application, the chain wrench is inconvenient to use, poor in durability, low in working efficiency, troublesome in adjustment operation of the chain, labor-consuming and inconvenient to use, and the chain wrench is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chain spanner to propose current chain spanner in solving above-mentioned background art and mainly constitute by handle, latch head, chain etc. its latch head easily takes off with the chain pine of skidding in the practical application, uses inconveniently, and the durability is poor, and work efficiency is low, and the regulation troublesome poeration of chain is hard, awkward problem.

In order to achieve the above object, the utility model provides a following technical scheme: a chain wrench comprises a wrench handle, wherein a chain fixing sleeve is integrally and fixedly mounted above the wrench handle, an anti-skid plate is mounted on the right side of the chain fixing sleeve, an anti-skid groove is formed in the outer surface of the anti-skid plate, a fixing bolt is mounted at the front end of the wrench handle, and a wrench chain is mounted on the right side of the wrench handle;

the limiting cavity is formed in the outer surface of the wrench handle, and a limiting connecting rod is movably mounted inside the limiting cavity.

Preferably, the wrench chain is in threaded connection with the wrench handle through a fixing bolt, and the wrench handle is made of an iron pipe.

Preferably, the chain fixing sleeve is of a concave structure, the wrench chain penetrates through the inside of the chain fixing sleeve and is connected with the limiting connecting rod in a welding mode.

Preferably, the wrench handle is fixedly connected with the antiskid plate in an integrated manner, and the antiskid grooves are uniformly distributed along the outer surface of the antiskid plate.

Preferably, the wrench handle is further provided with:

the wrench comprises a wrench handle, a movable cavity, a movable block and a connecting bearing, wherein the movable cavity is arranged inside the wrench handle, the movable block is movably arranged inside the movable cavity, an adjusting threaded rod penetrates through the inside of the movable block, and the connecting bearing is arranged on the left side of the movable block.

Preferably, the adjusting threaded rod is in threaded connection with the moving block, the moving block is fixedly connected with the limiting connecting rod in an integrated mode, and the shape and the size of the moving block are partially matched with those of the inside of the moving cavity.

Preferably, the adjusting threaded rod is movably connected with the wrench handle through a connecting bearing, and the moving block moves in the moving cavity through the limiting connecting rod, the adjusting threaded rod and the limiting cavity.

Compared with the prior art, the utility model provides a chain spanner possesses following beneficial effect: this chain spanner passes through spanner handle, the fixed cover of chain, the antiskid ribbed tile, fixing bolt, spanner chain, constitution such as spacing connective bar, structural design is novel, the commonality is good, overall structure is simple relatively, the operating personnel of being convenient for understand, through adjusting the chain length, adapt to various part dismantlements, the activity duration has been shortened, the operation cost is reduced, guaranteed that the maintenance quality has advantages such as easy operation and convenient to carry are swift, simple structure simultaneously, easy operation, the cost of manufacture is low, the later maintenance takes lowly, the application is good.

1. The utility model discloses a spanner handle, chain fixed cover, antiskid ribbed tile, fixing bolt, spanner chain, spacing connective bar etc. constitute, structural design is novel, the commonality is good, overall structure is relatively simple, be convenient for operating personnel to understand, through adjusting the chain length, adapt to various parts and dismantle, shortened the activity duration, reduced the operation cost, guaranteed the maintenance quality and had advantages such as easy operation and convenient to carry are swift, simple structure simultaneously, easy operation, the cost of manufacture is low, later maintenance cost is low, the application is good;

2. the utility model discloses a rotate adjusting threaded rod and promote the movable block and remove in the inside in activity chamber, and then control about drive spanner chain and the spacing connective bar, realize adjusting the chain length for the regulation operation of spanner chain becomes simple and convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the external structure of the wrench handle of the present invention;

fig. 3 is a schematic view of the internal structure of the wrench handle of the present invention.

In the figure: 1. a wrench handle; 2. a chain fixing sleeve; 3. an anti-skid plate; 4. fixing the bolt; 5. a wrench chain; 6. a limit connecting rod; 7. adjusting the threaded rod; 8. an anti-slip groove; 9. a movable cavity; 10. a moving block; 11. a limiting cavity; 12. and connecting the bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1 and 2, a chain wrench comprises a wrench handle 1, a chain fixing sleeve 2 is fixedly installed above the wrench handle 1 in an integrated manner, an anti-skid plate 3 is installed on the right side of the chain fixing sleeve 2, and an anti-skid groove 8 is formed in the outer surface of the anti-skid plate 3; the wrench handle 1 is fixedly connected with the antiskid plate 3 in an integrated manner, the antiskid grooves 8 are uniformly distributed along the outer surface of the antiskid plate 3, the front end of the wrench handle 1 is provided with a fixing bolt 4, and the right side of the wrench handle 1 is provided with a wrench chain 5; the wrench chain 5 is in threaded connection with the wrench handle 1 through the fixing bolt 4, and the wrench handle 1 is made of an iron pipe; the limiting cavity 11 is formed in the outer surface of the wrench handle 1, and the limiting connecting rod 6 is movably mounted inside the limiting cavity 11; the chain fixing sleeve 2 is of a concave structure, the wrench chain 5 penetrates through the chain fixing sleeve 2, and the wrench chain 5 is connected with the limiting connecting rod 6 in a welding mode; through spanner handle 1, the fixed cover of chain 2, antiskid ribbed tile 3, fixing bolt 4, spanner chain 5, constitution such as spacing connective bar 6, structural design is novel, the commonality is good, overall structure is simple relatively, the operating personnel of being convenient for understand, through adjusting the chain length, adapt to various part dismantlements, the activity duration has been shortened, the operation cost is reduced, it has advantages such as easy operation and convenient to carry are swift to have guaranteed the maintenance quality, and simple structure simultaneously, easy operation, the cost of manufacture is low, the later maintenance takes lowly, the application is good.

Referring to fig. 1 and 3, a chain wrench comprises a movable cavity 9, which is opened inside a wrench handle 1, a moving block 10 is movably installed inside the movable cavity 9, and an adjusting threaded rod 7 is arranged inside the moving block 10 in a penetrating manner; the adjusting threaded rod 7 is in threaded connection with a moving block 10, the moving block 10 is fixedly connected with the limiting connecting rod 6 in an integrated mode, the shape and the size of the moving block 10 are partially matched with those of the inside of the movable cavity 9, and a connecting bearing 12 is installed on the left side of the moving block 10; the adjusting threaded rod 7 is movably connected with the wrench handle 1 through a connecting bearing 12, and the moving block 10 moves in the movable cavity 9 through the limiting connecting rod 6, the adjusting threaded rod 7 and the limiting cavity 11; the movable block 10 is pushed to move in the movable cavity 9 by rotating the adjusting threaded rod 7, and then the wrench chain 5 and the limiting connecting rod 6 are driven to move left and right, so that the length of the adjusting chain is adjusted, and the adjusting operation of the wrench chain 5 becomes simple and convenient.

The working principle is as follows: when using this chain spanner, at first assemble this chain spanner, insert spanner chain 5 in spanner handle 1 and link together through fixing bolt 4, then pass the fixed cover 2 of chain with spanner chain 5's the other end, and be in the same place spanner chain 5 and spacing connective bar 6 welding, overlap spanner chain 5 on the part of tearing open during the use, secondly rotate adjusting threaded rod 7, promote the movable block 10 through the screw thread and move left in the inside of activity chamber 9, and then drive spacing connective bar 6 and move right in spacing chamber 11 inside, it entangles the part of tearing open to drive spanner chain 5 to remove, at last transmission spanner handle 1, dismantle the part of tearing open under the common effort of antiskid ribbed tile 3, spanner chain 5 and non-skid groove 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A chain wrench, comprising:

the wrench handle comprises a wrench handle (1), wherein a chain fixing sleeve (2) is integrally and fixedly mounted above the wrench handle (1), an anti-skid plate (3) is mounted on the right side of the chain fixing sleeve (2), an anti-skid groove (8) is formed in the outer surface of the anti-skid plate (3), a fixing bolt (4) is mounted at the front end of the wrench handle (1), and a wrench chain (5) is mounted on the right side of the wrench handle (1);

the limiting cavity (11) is formed in the outer surface of the wrench handle (1), and a limiting connecting rod (6) is movably mounted inside the limiting cavity (11).

2. Chain wrench according to claim 1, characterized in that the wrench chain (5) is screwed to the wrench handle (1) by means of a fixing bolt (4), and the wrench handle (1) is made of iron pipe.

3. Chain wrench according to claim 1, characterized in that the chain fixing sleeve (2) is of a concave structure, the wrench chain (5) penetrates through the inside of the chain fixing sleeve (2), and the wrench chain (5) is connected with the limit connecting rod (6) by welding.

4. Chain spanner according to claim 1, characterized in that the spanner handle (1) is fixedly connected with the anti-skid plate (3) in one piece, and the anti-skid grooves (8) are evenly distributed along the outer surface of the anti-skid plate (3).

5. Chain spanner according to claim 1, characterized in that the spanner handle (1) is further provided with:

the wrench handle comprises a movable cavity (9) which is arranged inside the wrench handle (1), a movable block (10) is movably mounted inside the movable cavity (9), an adjusting threaded rod (7) penetrates through the inside of the movable block (10), and a connecting bearing (12) is mounted on the left side of the movable block (10).

6. The chain wrench as claimed in claim 5, characterized in that the adjusting threaded rod (7) is in threaded connection with the moving block (10), the moving block (10) is fixedly connected with the limit connecting rod (6) in an integrated manner, and the shape and size of the moving block (10) are partially matched with the shape and size inside the movable cavity (9).

7. Chain wrench according to claim 5, characterized in that the adjusting threaded rod (7) is movably connected to the wrench handle (1) via a connecting bearing (12), and the moving block (10) is moved inside the moving chamber (9) via a limiting connecting rod (6), the adjusting threaded rod (7) and a limiting chamber (11).