CN220094432U

CN220094432U - Multipurpose wrench

Info

Publication number: CN220094432U
Application number: CN202320974194.XU
Authority: CN
Inventors: 刘雪峰; 李娜; 黄宏志
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-11-28
Anticipated expiration: 2033-04-25

Abstract

The utility model discloses a multipurpose wrench, which relates to the technical field of tools and comprises the following components: the device comprises a movable part, a fixed part and a rotary connecting piece, wherein the inside of the movable part is of a round vacant structure, and a first rotary connecting part is arranged at the bottom of the movable part; the first end of the fixing part is provided with a fan-shaped end face, the first end of the fixing part is provided with a second rotary connecting part, and the second end of the fixing part is a handle; the rotating connecting piece is used for enabling the first rotating connecting part and the second rotating connecting part to be connected in a rotating mode, enabling the movable part to rotate around the rotating connecting piece, enabling the distance between the first end of the fixed part and the circular vacancy structure to be changed so as to clamp nuts or pipe fittings of different specifications, and the rotating connecting piece is simple in structure, convenient to operate and capable of adapting to workpieces of various sizes.

Description

Multipurpose wrench

Technical Field

The utility model relates to the technical field of tools, in particular to a multipurpose wrench.

Background

In the processes of equipment assembly, maintenance and the like, bolts, nuts or pipe fittings and other connecting pieces with different types and sizes cannot be operated by using a spanner. The traditional fixed wrench cannot meet the requirements of workpieces with multiple sizes, the current common adjustable wrench and pipe tongs are inconvenient to use, maintenance workers need to take various types of wrenches each time and can not completely solve the problems, great inconvenience is brought to maintenance work, the working time of the maintenance workers is increased, and production is delayed. The utility model aims to provide a multifunctional wrench which has the advantages of adapting to the requirements of a wider size range, being capable of being used as an adjustable wrench and a pipe wrench tool at the same time, being convenient to operate and use, and being capable of automatically adjusting and adapting to workpieces with various sizes so as to solve the problem that various wrenches need to be carried during maintenance work.

The prior multipurpose wrench technical method comprises the following steps:

the patent technology of Xuzhou huge force tool manufacturing limited company's multifunctional spanner' (application number 201821233164.9 publication (bulletin) number CN 208946089U) relates to a multifunctional spanner, which comprises a fixed jaw, a movable jaw, a connector, a pin, a handle, a nail puller and a pry bar, wherein the movable jaw is connected with the connector, the connector comprises a slide buckle, a spring and a connecting body, the slide buckle is arranged on the connecting body, the spring is arranged in the connecting body, one end of the slide buckle is connected with the spring, the connecting head is hinged on the fixed jaw by a pin, the handle is arranged at the lower end of the fixed jaw, the pry bar is arranged at the tail end of the handle, and the nail puller is arranged at the lower end of the handle. When using the spanner, through the size between the slip control movable jaw of slide fastener and the fixed jaw, the inside spring size of connector has decided the size of jaw, the slide fastener can be at the random adjustment position in the elastic range of spring, thereby can change and adjust the distance between movable jaw and the fixed jaw at will, very convenient, the recess has increased the area of contact of operator and handle when the operation, increased frictional force, let the spanner be difficult for breaking away from the hand, more have the security, the crow bar can be used for prizing open some things, the nail puller can be used for the nail lifting, make the spanner can be used for the multipurpose, convenient and fast moreover.

(2) There are problems and disadvantages:

the multifunctional wrench related to the technology of the method patent needs to control the size and the dimension between the movable jaw and the fixed jaw through the sliding of the slide fastener, and can rotate and exert force only in one direction when in use, and the direction of the wrench opening needs to be adjusted according to the unscrewing or tightening requirement of the operation part, so that the operation is complicated and inconvenient.

Disclosure of Invention

The utility model aims to provide a multipurpose wrench which solves the problems of the prior art, has a simple structure and is convenient to operate, and workpieces with various sizes can be adapted.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides a multipurpose wrench, comprising: the movable part is of a circular vacancy structure, and a first rotary connecting part is arranged at the bottom of the movable part; the first end of the fixing part is provided with a fan-shaped end face, the first end of the fixing part is provided with a second rotary connecting part, and the second end of the fixing part is a handle; the rotary connecting piece is used for enabling the first rotary connecting part and the second rotary connecting part to be rotationally connected, and enabling the movable part to rotate around the rotary connecting piece, so that the distance between the first end of the fixed part and the circular vacant structure is changed, and nuts or pipe fittings with different specifications are clamped.

Preferably, the rotating connecting piece is a pin shaft, the first rotating connecting portion is provided with a first pin hole, the second rotating connecting portion is provided with a second pin hole, and the pin shaft is used for penetrating through the first pin hole and the second pin hole so that the first rotating connecting portion is rotatably connected with the second rotating connecting portion.

Preferably, a plurality of clamping teeth are arranged on the inner side wall of the circular vacancy structure in the movable part.

Preferably, each clamping tooth is uniformly arranged along the circumference of the inner side wall of the circular hollow structure.

Preferably, the fan-shaped end surface of the first end of the fixing portion is provided with a plurality of teeth.

Preferably, each tooth is uniformly arranged along the fan-shaped end surface.

Compared with the prior art, the utility model has the following technical effects:

the utility model provides a multipurpose wrench, when in use, according to the specification and the size of a workpiece to be operated, firstly, the movable part is rotated to enable the geometric size formed between an inner circular hollow structure of the movable part and a fan-shaped end face of a first end of the fixed part to just meet the specification and the size of the workpiece to be operated; the wrench is sleeved on the operated workpiece, the second end of the fixing part is pulled by hand, the second end can be operated clockwise or anticlockwise, the operated workpiece can be rotated to complete the screwing or unscrewing operation of the workpiece, the operation is time-saving and labor-saving, the structure is simple, the operation is convenient, and the wrench can be suitable for workpieces with various sizes.

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 needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only 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 diagram of a multipurpose wrench according to the present utility model;

FIG. 2 is a schematic diagram of a movable part of the multipurpose wrench according to the present utility model;

FIG. 3 is a schematic structural view of a fixing portion of the multipurpose wrench according to the present utility model;

FIG. 4 is a schematic view of the multipurpose wrench of the present utility model clamping workpieces of different sizes;

in the figure: 1. a movable part; 2. a fixing part; 3. a pin shaft; 11. a first pin hole; 12. clamping teeth; 21. a second pin hole; 22. teeth.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

The present utility model provides a multipurpose wrench, as shown in fig. 1 to 3, comprising: the movable part 1, the fixed part 2 and the rotary connecting piece are arranged in the movable part 1, the inside of the movable part 1 is of a round hollow structure, and the bottom of the movable part 1 is provided with a first rotary connecting part; the first end of the fixed part 2 is provided with a fan-shaped end face, the first end of the fixed part 2 is provided with a second rotary connecting part, and the second end of the fixed part 2 is a handle; the rotating connecting piece is used for enabling the first rotating connecting part and the second rotating connecting part to be in rotating connection, enabling the movable part 1 to rotate around the rotating connecting piece, enabling the distance between the first end of the fixed part 2 and the circular hollow structure to be changed so as to clamp nuts or pipe fittings with different specifications, and when the rotating connecting piece is used, firstly, the movable part 1 is rotated according to the specification and the size of a workpiece to be operated, so that the geometric size formed between the circular hollow structure in the movable part 1 and the fan-shaped end face of the first end of the fixed part 2 just meets the specification and the size of the workpiece to be operated; the wrench sleeve is arranged on the operated workpiece, the second end part of the fixed part 2 is manually pulled, and the second end part can be operated clockwise or anticlockwise, so that the operated workpiece can be rotated to complete the screwing or unscrewing operation of the workpiece, the operation is time-saving and labor-saving, the structure is simple, the operation is convenient, and the wrench sleeve can be suitable for workpieces with various sizes.

In a preferred embodiment, the rotating connecting piece is a pin shaft 3, the first rotating connecting portion is provided with a first pin hole 11, the second rotating connecting portion is provided with a second pin hole 21, the pin shaft 3 is used for penetrating through the first pin hole 11 and the second pin hole 21 to enable the first rotating connecting portion to be rotatably connected with the second rotating connecting portion, the structure is simple, bolts can also be enabled to be rotated by the rotating connecting piece, after the bolts penetrate through the first pin hole 11 and the second pin hole 21, the tightening degree of the nuts and the bolts is controlled, and the first rotating connecting portion is rotatably connected with the second rotating connecting portion.

In a preferred embodiment, a plurality of clamping teeth 12 are arranged on the inner side wall of the circular hollow structure inside the movable part 1, so that friction force between the movable part and a circular workpiece is increased, and clamping slipping is avoided.

In a preferred embodiment, the gripping teeth 12 are uniformly circumferentially disposed along the inner sidewall of the circular void structure to further increase the stability of the grip with the workpiece.

In a preferred embodiment, the fan-shaped end surface of the first end of the fixing portion 2 is provided with a plurality of teeth 22, so that friction force between the circular workpiece and the circular workpiece is increased, and clamping slipping is avoided.

In a preferred embodiment, the teeth 22 are uniformly disposed along the scalloped end face to further increase the stability of the grip with the workpiece.

As shown in fig. 4, in specific use, according to the specification and size of the workpiece to be operated, the movable part 1 is rotated first to enable the geometry between the clamping teeth 12 arranged on the inner circumference of the movable part 1 and the teeth 22 arranged on the fan-shaped end face of the first end part of the fixed part 2 to just meet the specification and size of the workpiece to be operated; the spanner sleeve is arranged on the operated workpiece, the spanner end of the fixing part 2 is manually moved, and the spanner sleeve can be simultaneously operated clockwise or anticlockwise, so that the operated workpiece can be rotated to complete the screwing or unscrewing operation of the workpiece, and the operation is time-saving and labor-saving.

The utility model has simple structure, portability and low cost, and can detach and mount nuts, pipe fittings and the like with different specifications without replacing wrenches and pipe tongs with various types, thereby saving a large amount of disassembly and assembly man-hour, saving a large amount of manpower, needing to carry wrenches with various types originally, being capable of being operated by only one wrench at present, and being widely popularized and applied to various simple maintenance operation disassembly and assembly workpieces.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. A multipurpose wrench, characterized in that: comprising the following steps:

the movable part is of a round vacant structure, and a first rotary connecting part is arranged at the bottom of the movable part;

the fixing part is provided with a fan-shaped end face at the first end, a second rotary connecting part is arranged at the first end of the fixing part, and a handle is arranged at the second end of the fixing part;

the rotary connecting piece is used for enabling the first rotary connecting portion to be rotationally connected with the second rotary connecting portion, enabling the movable portion to rotate around the rotary connecting piece, enabling the distance between the first end of the fixed portion and the circular vacancy structure to be changed, and clamping nuts or pipe fittings with different specifications.

2. The multipurpose wrench of claim 1, wherein: the rotation connecting piece is a pin shaft, the first rotation connecting portion is provided with a first pin hole, the second rotation connecting portion is provided with a second pin hole, and the pin shaft is used for penetrating through the first pin hole and the second pin hole so that the first rotation connecting portion is arranged and connected with the second rotation connecting portion in a rotation mode.

3. The multipurpose wrench of claim 1, wherein: a plurality of clamping teeth are arranged on the inner side wall of the circular vacancy structure inside the movable part.

4. A multipurpose wrench as claimed in claim 3, wherein: each clamping tooth is uniformly arranged along the circumferential direction of the inner side wall of the circular vacancy structure.

5. The multipurpose wrench of claim 4, wherein: the fan-shaped end face of the first end of the fixing part is provided with a plurality of teeth.

6. The multipurpose wrench of claim 5, wherein: each tooth is uniformly arranged along the fan-shaped end face.