CN217620267U

CN217620267U - Bolt knocking wrench with adjustable opening size

Info

Publication number: CN217620267U
Application number: CN202220382511.4U
Authority: CN
Inventors: 石辰峰; 孙龙威; 孙吉军; 金忠璨
Original assignee: Dalian Power Plant of Huaneng International Power Co Ltd
Current assignee: Dalian Power Plant of Huaneng International Power Co Ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-10-21
Anticipated expiration: 2032-02-22

Abstract

The utility model provides a bolt knocking wrench with an adjustable opening size, which belongs to the technical field of machining and comprises a handle, a jaw ring and a butt joint assembly, wherein the front end of the handle is provided with a butt joint seat, the front side of the butt joint seat is provided with a slot, and both sides of the slot of the butt joint seat are provided with positioning holes; the butt joint subassembly is including the connecting block, the one end of connecting block is connected with the ring of keeping silent, and the inserted block is installed to the other end, the inserted block and the slot looks adaptation of butt joint seat, the both sides of inserted block all are provided with the holding tank, install compression spring and press the briquetting in the holding tank, press the briquetting to be located the inside one end of holding tank and be provided with the barrier disc, press briquetting and locating hole looks adaptation, this device handle and the ring of keeping silent separately design to only need wear the ring of keeping silent of different models, the installation with the handle is realized to the butt joint subassembly of deuterogamying, thereby the dismantlement of the different model bolts of adaptation, not only portable, and can the very big degree saving cost.

Description

Bolt knocking wrench with adjustable opening size

Technical Field

The utility model relates to the technical field of machining, specifically be an opening size adjustable bolt strikes spanner.

Background

A wrench is a common installation and removal tool and is typically manufactured from structural steel of carbon or alloy material. The wrench is a manual tool for screwing a bolt, a screw, a nut or other thread fastening pieces by utilizing the lever principle, a jaw or a trepan for clamping the bolt or the nut is usually arranged at one end or two ends of a handle part, and when the wrench is used, external force is applied to the handle part along the thread rotating direction, so that the bolt or the nut can be screwed; in the fields of equipment machinery, petrochemical industry and the like, bolts are often used as connecting pieces of all components, and the bolts used are generally large. Because the larger bolt is not easy to disassemble and the bolt is generally rusted after being used for a long time, a commonly used wrench is a knocking wrench when the bolt is disassembled. Since the knocking wrench has a heavy weight, it is difficult for an operator to detach the bolt by screwing its handle when in use, and thus the handle needs to be knocked by a blunt instrument such as a hammer to detach the bolt;

but the size of the jaw ring of the existing knocking wrench is fixed inconveniently, and during actual use, the disassembled bolt models are different, so that the jaw rings of different models are needed to be disassembled, the carrying is inconvenient, and the cost is very wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an opening size adjustable bolt strikes spanner to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a bolt knocking wrench with an adjustable opening size comprises a handle, a jaw ring and a butt joint assembly, wherein a butt joint seat is mounted at the front end of the handle, a slot is formed in the front side of the butt joint seat, and positioning holes are formed in two sides of the slot of the butt joint seat; the butt joint assembly comprises a connecting block, one end of the connecting block is connected with a jaw ring, an inserting block is mounted at the other end of the connecting block, the inserting block is matched with a slot of the butt joint seat, accommodating grooves are formed in the two sides of the inserting block, the area of the opening of each accommodating groove is smaller than that of the bottom of the corresponding accommodating groove, a compression spring and a pressing block are mounted in each accommodating groove, a blocking disc is arranged at one end, located in each accommodating groove, of each pressing block, and the pressing blocks are matched with the positioning holes.

Furthermore, a knocking block is arranged on the rear side of the handle.

Furthermore, the middle position of the handle is provided with an anti-skid knurl.

Furthermore, an arc notch is formed in the upper end of the inserting block, and an arc protruding block matched with the arc notch is arranged on the inner wall of the upper end of the slot of the butt joint seat.

Furthermore, two press the briquetting lateral surface and be the inclined plane structure of inclining to the rear side by connecting block one side.

Furthermore, one side of the jaw ring is connected with a reinforcing bolt through threads, and one end of the reinforcing bolt penetrates into the inner ring of the jaw ring.

Furthermore, a thin rubber sleeve is sleeved at one end of the reinforcing bolt inserted into the jaw ring.

Compared with the prior art, the beneficial effects of the utility model are that:

the handle and the jaw ring of the device are separately designed, so that the installation of the handle is realized only by wearing the jaw rings of different models and matching with the butt joint assembly, thereby adapting to the disassembly of bolts of different models, not only being convenient for carrying, but also greatly saving the cost; at first according to the bolt size of dismantling as required selects suitable jaw ring, later insert the inserted block of this jaw ring in the slot of butt joint seat again, can make according to the briquetting by popping out through compression spring's effort to at the fixed orifices of butt joint seat, thereby accomplish convenient butt joint, when needs are changed the jaw ring, only need extrude according to the briquetting and make it retract, extract the inserted block again can, the practicality is strong.

Drawings

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

FIG. 2 is an enlarged view of area A of FIG. 1;

FIG. 3 is an internal cross-sectional view of the insert of the present invention;

fig. 4 is a plan view of the jaw ring of the present invention;

in the figure: 1. a handle; 2. a jaw ring; 3. a docking station; 4. a docking assembly; 5. knocking the block; 6. reinforcing the bolt; 31. positioning holes; 41. connecting blocks; 42. inserting a block; 43. an arc-shaped notch; 44. a pressing block; 45. accommodating a tank; 46. a compression spring; 47. a blocking disk.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution: a bolt knocking wrench with an adjustable opening size comprises a handle 1, a jaw ring 2 and a butt joint assembly 4, wherein a butt joint seat 3 is installed at the front end of the handle 1, a slot is formed in the front side of the butt joint seat 3, and positioning holes 31 are formed in two sides of the slot of the butt joint seat 3; the butt joint assembly 4 comprises a connecting block 41, one end of the connecting block 41 is connected with the jaw ring 2, the other end of the connecting block is provided with an inserting block 42, the inserting block 42 is matched with a slot of the butt joint seat 3, both sides of the inserting block 42 are provided with accommodating grooves 45, the area of an opening of each accommodating groove 45 is smaller than that of the bottom of each accommodating groove, a compression spring 46 and a pressing block 44 are arranged in each accommodating groove 45, one end, located inside each accommodating groove 45, of each pressing block 44 is provided with a blocking disc 47, each pressing block 44 is matched with the corresponding positioning hole 31, and the handle 1 and the jaw ring 2 are designed separately, so that only different types of jaw rings 2 need to be worn, and the butt joint assembly 4 is matched to realize the installation with the handle 1, thereby being matched with the disassembly of bolts of different types, being convenient to carry and greatly saving the cost; firstly, a proper jaw ring 2 is selected according to the size of a bolt to be detached, then the insert block 42 of the jaw ring 2 is inserted into the slot of the butt joint seat 3, the pressing block 44 can be popped out through the acting force of the compression spring 46, and the pressing block is fixed in the positioning hole 31 of the butt joint seat 3, so that convenient butt joint is completed, when the jaw ring 2 needs to be replaced, the pressing block 44 only needs to be squeezed to retract, and then the insert block 42 is pulled out, so that the practicability is high.

Please refer to fig. 1 again, a knocking block 5 is disposed at the rear side of the handle 1, so that some components can be easily knocked by the handle 1, and the practicability is improved; the middle position of the handle 1 is provided with anti-skidding knurls, and the handle 1 can be prevented from being well gripped by hands due to skidding or wearing gloves.

Please refer to fig. 2 again, the upper end of the insertion block 42 is provided with an arc-shaped notch 43, and the inner wall of the upper end of the slot of the docking seat 3 is provided with an arc-shaped protrusion adapted to the arc-shaped notch 43, so as to increase the contact area between the insertion block 42 and the docking seat 3 and better realize the firm docking between the insertion block and the docking seat; the outer side surfaces of the two pressing blocks 44 are both inclined surface structures inclined from one side of the connecting block 41 to the rear side, so that when the inserting block 42 is inserted into the slot of the butt joint seat 3, the pressing blocks 44 do not need to be pressed specially to retract, and convenience is improved.

Please refer to fig. 4 again, a reinforcing bolt 6 is connected to one side of the jaw ring 2 through a thread, one end of the reinforcing bolt 6 penetrates into the inner ring of the jaw ring 2, and the nut of the bolt to be disassembled can be better fixed inside the jaw ring 2 by tightening the reinforcing bolt 6; one end of the reinforcing bolt 6 inserted into the jaw ring 2 is sleeved with a thin rubber sleeve, so that the friction resistance can be increased, and the nut of the bolt to be disassembled can be better fixed at one end of the reinforcing bolt 6.

The utility model discloses a concrete operation as follows:

firstly, a proper jaw ring 2 is selected according to the size of a bolt to be detached, then the insert block 42 of the jaw ring 2 is inserted into the slot of the butt joint seat 3, the pressing block 44 can be popped out through the acting force of the compression spring 46, and the pressing block is fixed in the positioning hole 31 of the butt joint seat 3, so that convenient butt joint is completed, when the jaw ring 2 needs to be replaced, the pressing block 44 only needs to be squeezed to retract, and then the insert block 42 is pulled out, so that the practicability is high.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. A bolt knocking wrench with an adjustable opening size comprises a handle (1), a jaw ring (2) and an opposite joint assembly (4), and is characterized in that an opposite joint seat (3) is installed at the front end of the handle (1), a slot is formed in the front side of the opposite joint seat (3), and positioning holes (31) are formed in two sides of the slot of the opposite joint seat (3);

butt joint subassembly (4) is including connecting block (41), the one end of connecting block (41) is connected with keeping silent ring (2), and inserted block (42) is installed to the other end, inserted block (42) and the slot looks adaptation of butt joint seat (3), the both sides of inserted block (42) all are provided with holding tank (45), the opening part area of holding tank (45) is less than the bottom area, install compression spring (46) and press block (44) in holding tank (45), press block (44) to be located the inside one end of holding tank (45) and be provided with and block dish (47), press block (44) and locating hole (31) looks adaptation.

2. The opening size adjustable bolt striking wrench as claimed in claim 1, characterized in that a striking block (5) is provided at the rear side of the handle (1).

3. The bolt impact wrench with the adjustable opening size as claimed in claim 1, wherein an anti-slip knurl is arranged at the middle position of the handle (1).

4. The bolt knocking wrench with the adjustable opening size according to claim 1, wherein an arc-shaped notch (43) is formed in the upper end of the insertion block (42), and an arc-shaped protruding block matched with the arc-shaped notch (43) is formed in the inner wall of the upper end of the insertion groove of the butt joint seat (3).

5. The bolt striking wrench with the adjustable opening size as claimed in claim 1, wherein the outer side surfaces of the two pressing blocks (44) are both inclined surfaces which incline from one side of the connecting block (41) to the rear side.

6. The bolt knocking wrench with the adjustable opening size according to claim 1, wherein a reinforcing bolt (6) is connected to one side of the jaw ring (2) through threads, and one end of the reinforcing bolt (6) penetrates into an inner ring of the jaw ring (2).

7. The bolt impact wrench with the adjustable opening size as claimed in claim 6, wherein a thin rubber sleeve is sleeved at one end of the reinforcing bolt (6) inserted into the jaw ring (2).