CN113500552B

CN113500552B - Chain type multifunctional wrench

Info

Publication number: CN113500552B
Application number: CN202110835268.7A
Authority: CN
Inventors: 王宜清; 魏振全; 马运伦; 段修涛; 杨其权; 朱伟
Original assignee: Zaozhuang Mining Group Jining Qiwu Coal Industry Co ltd
Current assignee: Zaozhuang Mining Group Jining Qiwu Coal Industry Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2024-09-06
Anticipated expiration: 2041-07-23
Also published as: CN113500552A

Abstract

The invention discloses a chain type multifunctional wrench which comprises a main body, a supporting cylinder, a limiting plate, a threaded cylinder, a left hook, a tightening screw, a supporting groove, a lower butterfly nut and a fastening part, wherein the front end of the bottom of the main body is fixedly provided with the supporting cylinder, the middle part of the main body is fixedly provided with the limiting plate, the upper part of the main body is fixedly provided with the threaded cylinder, the left end of the top of the main body is fixedly provided with the left hook, the inner thread of the main body is connected with the tightening screw, and the upper part of the tightening screw penetrates through the supporting groove. According to the invention, the hexagonal bolts and the hexagonal nuts with different sizes can be well clamped by the aid of the chain and the tightening bolts, the contact area between the hexagonal nuts and the hexagonal bolts can be enlarged by manually rotating the lower butterfly nuts, so that the clamping effect can be better improved, and then the hexagonal bolts and the hexagonal nuts with different sizes can be conveniently and rapidly disassembled by manually breaking the supporting frame.

Description

Chain type multifunctional wrench

Technical Field

The invention relates to a wrench, in particular to a chain type multifunctional wrench.

Background

When carrying out the operation in pit, often need overhaul pipeline such as pipeline flange, water pump and vacuum pipeline or device in pit, and these pipeline or device in pit adopt hexagonal bolt and hexagonal nut to connect mostly, and because the borehole operation space is narrow and small, so when dismantling bolt and nut of various sizes, often can only use the handle of various sizes to carry out the pertinence dismantlement, and these different sizes spanners can cause too much burden for maintenance workman's physical power in the in-process of carrying to reduced its work efficiency, outstanding the not enough of traditional spanner.

Disclosure of Invention

The invention aims to provide a chain type multifunctional wrench so as to solve the technical problems.

The invention adopts the following technical scheme for realizing the purposes:

The utility model provides a chain multifunctional wrench, includes main part, support section of thick bamboo, limiting plate, screw thread section of thick bamboo, left couple, tight screw rod in top, supporting groove, lower butterfly nut, fastening portion, main part bottom front end is fixed with the support section of thick bamboo, the main part middle part is fixed with the limiting plate, main part upper portion is fixed with the screw thread section of thick bamboo, main part top left end is fixed with left couple, the inside threaded connection of main part has tight screw rod in top, tight screw rod upper portion in top runs through there is the supporting groove, tight screw rod bottom threaded connection in top has lower butterfly nut, install fastening portion in the main part.

On the basis of the technical scheme, the fastening part comprises an upper butterfly nut, a light cylinder, a limiting rod, a sliding cylinder, a right hook, a chain, a supporting frame and a handle, wherein the upper butterfly nut is connected with the threaded cylinder in a threaded manner, the light cylinder is fixed at the bottom end of the upper butterfly nut, the limiting rod is fixedly arranged at the left end of the light cylinder, the limiting rod is in sliding connection with the left part of the limiting plate, the sliding cylinder is rotationally connected with the light cylinder, the right hook is fixedly arranged at the top of the right end of the sliding cylinder, the chain is jointly hung between the left hook and the right hook, the supporting frame is inserted in the supporting cylinder in a clearance manner, and the handle is fixedly arranged on the upper part of the supporting frame.

On the basis of the technical scheme, the tightening screw rod can move up and down along the main body through manual rotation, the lower butterfly nut can move up and down along the tightening screw rod through manual rotation, the upper butterfly nut can slide up and down along the threaded cylinder through manual rotation, and the bottom of the support frame can be spliced with the support groove.

Compared with the prior art, the invention has the following advantages: according to the invention, the hexagonal bolts and the hexagonal nuts with different sizes can be well clamped by the aid of the chain and the tightening bolts, the contact area between the hexagonal nuts and the hexagonal bolts can be enlarged by manually rotating the lower butterfly nuts, so that the clamping effect can be better improved, and then the hexagonal bolts and the hexagonal nuts with different sizes can be conveniently and quickly disassembled by manually breaking the supporting frame, so that a plurality of wrenches with different sizes are not required to be carried, and a great amount of physical consumption is avoided, so that the working efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the installation of the butterfly nut of the present invention.

Fig. 3 is a schematic installation view of the support frame of the present invention.

In the figure: 1. the device comprises a main body, 2, a supporting cylinder, 3, a limiting plate, 4, a threaded cylinder, 5, a left hook, 6, a tightening screw, 7, a supporting groove, 8, a lower butterfly nut, 9, a fastening part, 10, an upper butterfly nut, 11, a light cylinder, 12, a limiting rod, 13, a sliding cylinder, 14, a right hook, 15, a chain, 16, a supporting frame, 17 and a handle.

Detailed Description

The invention is described in further detail below with reference to the drawings and the specific examples.

As shown in fig. 1-3, a chain type multifunctional wrench comprises a main body 1, a supporting cylinder 2, a limiting plate 3, a threaded cylinder 4, a left hook 5, a tightening screw 6, a supporting groove 7, a lower butterfly nut 8 and a fastening part 9, wherein the supporting cylinder 2 is fixed at the front end of the bottom of the main body 1, the limiting plate 3 is fixed in the middle of the main body 1, the threaded cylinder 4 is fixed on the upper part of the main body 1, the left hook 5 is fixed at the left end of the top of the main body 1, the tightening screw 6 is in threaded connection with the inner part of the main body 1, the supporting groove 7 penetrates through the upper part of the tightening screw 6, the supporting groove 7 is used for facilitating the rotation of the tightening screw 6, the lower butterfly nut 8 is in threaded connection with the bottom of the tightening screw 6, the lower butterfly nut 8 is used for increasing the contact area with an object to be disassembled, and the fastening part 9 is installed on the main body 1.

The fastening part 9 comprises an upper butterfly nut 10, a light cylinder 11, a limiting rod 12, a sliding cylinder 13, a right hook 14, a chain 15, a supporting frame 16 and a handle 17, wherein the upper butterfly nut 10 is connected to the threaded cylinder 4 in a threaded manner, the light cylinder 11 is fixed to the bottom end of the upper butterfly nut 10, the limiting rod 12 is fixedly arranged at the left end of the light cylinder 11 and is in sliding connection with the left part of the limiting plate 3, the sliding cylinder 13 is connected to the light cylinder 11 in a rotating manner, the right hook 14 is fixedly arranged at the top of the right end of the sliding cylinder 13, the upper butterfly nut 10 is used for adjusting the position of the right hook 14, the chain 15 is jointly hung between the left hook 5 and the right hook 14, the chain 15 is used for being in good contact with an object to be disassembled, the supporting frame 16 is inserted in a gap in the supporting cylinder 2, and the handle 17 is fixedly arranged at the upper part of the supporting frame 16.

The tight screw rod 6 in top can reciprocate along main part 1 through manual rotation, butterfly nut 8 down can reciprocate along tight screw rod 6 in top through manual rotation, last butterfly nut 10 can slide from top to bottom along screw barrel 4 through manual rotation, support frame 16 bottom can peg graft mutually with supporting groove 7.

The working principle of the invention is as follows: the chain 15 is surrounded on one side of a hexagonal bolt or a hexagonal nut to be dismounted, then the hexagonal bolt or the hexagonal nut is spliced with the supporting groove 7 through the supporting frame 16, meanwhile, the supporting frame 16 is manually rotated to enable the jacking screw 6 to gradually approach to the side edge of the hexagonal bolt or the hexagonal nut, so that the side ends of the hexagonal bolt and the hexagonal nut are clamped through the combined action of the chain 15 and the jacking screw 6, and the position of the butterfly nut 10 on the thread cylinder 4 is adjusted as required during adjustment of the jacking screw 6, so that the contact position of the chain 15 and the hexagonal bolt or the hexagonal nut is adjusted, the optimal clamping state of the hexagonal bolt or the hexagonal nut is guaranteed, then the supporting frame 16 is spliced with the supporting groove 7, and then the hexagonal bolt and the hexagonal nut can be dismounted through manual operation of the supporting frame 16.

The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art from this disclosure that changes, modifications, substitutions and alterations can be made without departing from the principles and spirit of the invention.

Claims

1. The utility model provides a chain multifunctional wrench, includes main part (1), support section of thick bamboo (2), limiting plate (3), screw thread section of thick bamboo (4), left couple (5), tight screw rod in top (6), supporting groove (7), lower butterfly nut (8), fastening portion (9), its characterized in that: the novel lifting device comprises a main body (1), wherein a supporting cylinder (2) is fixed at the front end of the bottom of the main body (1), a limiting plate (3) is fixed in the middle of the main body (1), a threaded cylinder (4) is fixed on the upper portion of the main body (1), a left hook (5) is fixed at the left end of the top of the main body (1), a tightening screw (6) is connected with the inside of the main body (1) in a threaded manner, a supporting groove (7) is formed in the upper portion of the tightening screw (6) in a penetrating manner, a lower butterfly nut (8) is connected with the bottom of the tightening screw (6) in a threaded manner, and a fastening part (9) is arranged on the main body (1); the fastening part (9) comprises an upper butterfly nut (10), a light cylinder (11), a limiting rod (12), a sliding cylinder (13), a right hook (14), a chain (15), a support frame (16) and a handle (17), wherein the upper butterfly nut (10) is connected to the threaded cylinder (4) in a threaded manner, the light cylinder (11) is fixed to the bottom end of the upper butterfly nut (10), the limiting rod (12) is fixed to the left end of the light cylinder (11), the limiting rod (12) is connected with the left part of the limiting plate (3) in a sliding manner, the sliding cylinder (13) is connected to the light cylinder (11) in a rotating manner, the right hook (14) is fixed to the right end top of the sliding cylinder (13), the chain (15) is jointly suspended between the left hook (5) and the right hook (14), the support frame (16) is inserted into the support frame (2) in a gap manner, and the support frame (16) is of an L-shaped structure, and the handle (17) is fixed to the upper part of the support frame (16). The jacking screw (6) can move up and down along the main body (1) through manual rotation, the lower butterfly nut (8) can move up and down along the jacking screw (6) through manual rotation, the upper butterfly nut (10) can slide up and down along the threaded cylinder (4) through manual rotation, and the bottom of the support frame (16) can be spliced with the support groove (7); when the chain type multifunctional wrench is used, the chain (15) is surrounded on one side of a hexagonal bolt or a hexagonal nut to be detached, then the chain is inserted into the supporting groove (7) through the supporting frame (16), the supporting frame (16) is manually rotated, the jacking screw (6) is gradually close to the side edge of the hexagonal bolt or the hexagonal nut, the side ends of the hexagonal bolt and the hexagonal screw are clamped through the combined action of the chain (15) and the jacking screw (6), the position of the butterfly nut (10) on the threaded cylinder (4) is adjusted according to the requirement during adjustment of the jacking screw (6), and therefore adjustment of the contact position of the chain (15) and the hexagonal bolt or the hexagonal nut is achieved, the clamping state of the hexagonal bolt or the hexagonal nut is guaranteed, then the supporting frame (16) is inserted into the supporting groove (7), and then the hexagonal bolt and the hexagonal nut are manually separated from each other.