CN220362495U

CN220362495U - Labor-saving wrench structure

Info

Publication number: CN220362495U
Application number: CN202322064778.6U
Authority: CN
Inventors: 陈瑞国; 陈晓峰; 陈晓军; 谢公印; 王天
Original assignee: Rui'an Ruiju Forging Co ltd
Current assignee: Rui'an Ruiju Forging Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-01-19
Anticipated expiration: 2033-08-01

Abstract

The application belongs to the technical field of wrench structures, and provides a labor-saving wrench structure, which comprises a handle part for being held; the clamping part forms a clamping base surface, and a first holding finger and a second holding finger which are connected with the clamping base surface, are arranged at intervals along the length direction of the clamping part and are positioned on two opposite sides of the clamping base surface along the width direction of the clamping part, the first holding finger forms a first clamping surface inclined relative to the clamping base surface, the second holding finger forms a second clamping surface inclined relative to the clamping base surface, and the first clamping surface and the second clamping surface face the clamping base surface and are arranged in a crossing way; the extension part is of an extension structure, the extension direction is the same as the length direction of the clamping part, and the clamping part and the handle are respectively connected to the two ends of the extension part along the extension direction.

Description

Labor-saving wrench structure

Technical Field

The application belongs to spanner structure technical field, more specifically is what relate to a laborsaving spanner structure.

Background

In the manufacturing and repair field, wrenches are a very important tool for tightening and loosening various types of nuts and bolts. However, the conventional wrench often faces some problems and challenges during the use, in which the most important problem is that the force arm is fixed due to the limitation of the length of the wrench, and in some working scenarios where the nut or the bolt is particularly fastened, great effort is required to be consumed to screw the nut or the bolt, which seriously affects the working efficiency, if the handle of the wrench is made too long and is inconvenient to store, it is necessary to develop a labor-saving wrench structure that can be conveniently matched with the handle of the conventional wrench to easily assemble and disassemble, so as to solve the above technical problems.

Disclosure of Invention

An object of the embodiment of the application is to provide a laborsaving spanner structure to solve the technical problem that exists among the prior art.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: provided is a labor-saving wrench structure, comprising:

a handle portion for holding;

the clamping part is used for forming a clamping base surface, and a first holding finger and a second holding finger which are connected with the clamping base surface, wherein the first holding finger and the second holding finger are arranged at intervals along the length direction of the clamping part and are positioned on two opposite sides of the clamping base surface along the width direction of the clamping part, the first holding finger forms a first clamping surface inclined relative to the clamping base surface, the second holding finger forms a second clamping surface inclined relative to the clamping base surface, and the first clamping surface and the second clamping surface face towards the clamping base surface and are arranged in a crossing way;

the extension part is of an extension structure, the extension direction is the same as the length direction of the clamping part, and the clamping part and the handle are respectively connected to the two ends of the extension part along the extension direction.

Optionally, the first clamping surface and the second clamping surface are symmetrically arranged and have the same inclination angle.

Optionally, the first holding finger and the second holding finger are both in flat structures, two side surfaces of the first holding finger along the thickness direction are respectively a first clamping surface and a third surface, and two side surfaces of the second holding finger along the thickness direction are respectively a second clamping surface and a fourth surface;

the third surface and the fourth surface are each inclined at an angle of 50 ° with respect to the normal to the clamping base surface.

Optionally, the handle portion, the clamping portion, and the extension portion are each of a flat structure and thickness directions of the handle portion, the clamping portion, and the extension portion are parallel;

one side surface of the clamping part along the thickness direction is the clamping base surface.

Optionally, grooves with arc bottom walls are respectively arranged on two sides of the handle part and the extension part along the respective thickness direction, and the extending direction of the grooves is the same as the extending direction of the extension part.

Optionally, the groove extends to the clamping portion on a side opposite to the clamping base surface and penetrates the clamping portion in a length direction of the clamping portion.

Optionally, the intermediate region of the extension forms a recess facing away from the gripping base surface such that a distance between the central plane of the handle portion and the central plane of the extension is greater than a distance between the central plane of the gripping portion and the central plane of the extension.

Optionally, the handle portion, the clamping portion, and the extension portion are integrally forged.

Optionally, a rounded transition is provided at the upper edge of the handle portion.

The beneficial effect of laborsaving spanner structure that this application provided lies in: compared with the prior art, the labor-saving wrench structure that this application provided includes handle portion, clamping part and extension, can conveniently establish the labor-saving wrench structure cover that this application provided on current spanner through the clamping part, because the extension is extending structure, consequently utilize extension and clamping part can be used for increasing current spanner's turning force arm effectively, play laborsaving technological effect. In addition, clamping part in this application is including first embracing to indicate and the second embraces to indicate, wherein first embracing indicates with the second embraces to indicate along the length direction interval setting of clamping part and lie in the relative both sides of centre gripping base level along the width direction of clamping part, adopt this structure not only can make clamping part conveniently overlap to establish on current spanner structure, and in the rotation in-process of this laborsaving spanner structure, owing to first embracing indicates with the second embraces the mutual restriction that indicates, can avoid this laborsaving spanner structure to break away from in current spanner effectively, have good stability, simultaneously, this laborsaving spanner simple structure, light and handiness, convenient to use, easily store, far superior to prior art.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that 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 the overall structure of a labor-saving wrench structure according to an embodiment of the present application;

fig. 2 is a schematic diagram of the whole structure of the labor-saving wrench structure according to the embodiment of the present application;

FIG. 3 is an overall front view of a labor-saving wrench structure according to an embodiment of the present disclosure;

FIG. 4 is a top view of the overall structure of the labor-saving wrench structure according to the embodiments of the present application;

fig. 5 is a side view of the whole structure of the labor-saving wrench structure according to the embodiment of the application.

Wherein, each reference sign in the figure: 100. a handle portion; 200. a clamping part; 201. clamping the base surface; 202. the first finger is held; 221. a first clamping surface; 222. a third surface; 203. the second finger; 231. a second clamping surface; 232. a fourth surface; 300. an extension; 400. a groove.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 5, a labor-saving wrench structure provided in an embodiment of the present application will be described. The power saving wrench structure includes a handle portion 100, a grip portion 200, and an extension portion 300. Wherein the handle portion 100 is provided for gripping. The clamping portion 200 forms a clamping base 201, and a first holding finger 202 and a second holding finger 203 connected to the clamping base 201, the first holding finger 202 and the second holding finger 203 are arranged at intervals along the length direction of the clamping portion 200 and are located on opposite sides of the clamping base 201 along the width direction of the clamping portion 200, the first holding finger 202 forms a first clamping surface 221 inclined relative to the clamping base 201, the second holding finger 203 forms a second clamping surface 231 inclined relative to the clamping base 201, the first clamping surface 221 and the second clamping surface 231 face the clamping base 201, and the first clamping surface 221 and the second clamping surface 231 are arranged in a crossing manner. The extension 300 has an extension structure and an extension direction identical to a longitudinal direction of the grip 200, and the grip 200 and the handle 100 are connected to both ends of the extension 300 in the extension direction.

Specifically, the handle portion 100 in this embodiment may have a circular or rectangular configuration for grasping by a user. The clamping base surface 201 is a plane, and is used for acting together with the first holding finger 202 and the second holding finger 203 to fix the clamped object, the first holding finger 202 and the second holding finger 203 are arranged at intervals along the length direction of the clamping portion 200, and are located at two opposite sides of the clamping base surface 201 along the width direction of the clamping portion 200 to form a clamping interval, so that the labor-saving wrench structure provided by the embodiment can be conveniently sleeved on the existing wrench structure. In this embodiment, the bending angles of the first embracing finger 202 and the second embracing finger 203 are the same, so as to enhance the clamping force. In this embodiment, the extension portion 300 is an extension structure, and the extension direction is the same as the length direction of the clamping portion 200. The extension 300 has a linear structure, and is used for increasing the length of the wrench to prolong the force arm of the force application to achieve the effect of saving labor. In use, the user can control the grip portion 200 to apply force to the object by rotating the handle portion 100.

This embodiment can establish the laborsaving spanner structure cover that this application provided on current spanner handle through clamping part 200, because extension 300 is extending structure, consequently utilize extension 300 and clamping part 200 can be used for increasing the turning force arm of current spanner effectively, play laborsaving technological effect. In addition, the clamping portion 200 in the application includes the first embracing finger 202 and the second embracing finger 203, where the first embracing finger 202 and the second embracing finger 203 are disposed at intervals along the length direction of the clamping portion 200 and are located at opposite sides of the clamping base 201 along the width direction of the clamping portion 200, so that the first embracing finger 202 and the second embracing finger 203 have intervals on the longitudinal and transverse space structures, the clamping portion 200 can be conveniently sleeved on the handle of the existing wrench structure, and in the rotation process of the labor-saving wrench structure, due to the mutual limitation of the first embracing finger 202 and the second embracing finger 203, the existing wrench after the labor-saving wrench structure is separated from the connection can be effectively avoided, the labor-saving wrench has good stability, and meanwhile, the structures of the first embracing finger 202 and the second embracing finger 203 are beneficial to adapting to the existing wrench with different specifications.

Referring to fig. 1 to 5, in another embodiment of the present application, the first clamping surface 221 and the second clamping surface 231 are symmetrically disposed and have the same inclination angle. According to the labor-saving wrench structure provided in this embodiment, the projection of the first clamping surface 221 and the second clamping surface 231 in the cross section direction of the clamping portion 200 is symmetrically arranged, so that the overall strength of the wrench labor-saving wrench structure can be improved, the clamping stability can be further improved, the labor-saving wrench structure is prevented from being separated from the wrench structure matched with the labor-saving wrench structure in the use process, meanwhile, due to the existence of the inclination angle, when force is applied, the first clamping surface 221 and the second clamping surface 231 force the wrench handle connected with the first clamping surface to lean against the clamping base surface 201, the looseness is avoided, and the stability in operation is improved.

Referring to fig. 1 to 5, in another embodiment of the present application, the first holding finger 202 and the second holding finger 203 are both flat structures, two side surfaces of the first holding finger 202 along the thickness direction thereof are respectively a first clamping surface 221 and a third surface 222, and two side surfaces of the second holding finger 203 along the thickness direction thereof are respectively a second clamping surface 231 and a fourth surface 232; the third surface 222 and the fourth surface 232 are each inclined at an angle of 50 ° with respect to the normal to the clamping base 201. According to the labor-saving wrench structure provided in the embodiment, the first holding finger 202 and the second holding finger 203 adopt the flat structure, so that the forming effect during forging of the two is greatly facilitated, the forging forming difficulty is reduced, namely in the actual production process, firstly, the entity where the first holding finger 202, the second holding finger 203 and the clamping base surface 201 are located is forged into a flat piece, then the first holding finger 202 and the second holding finger 203 are inwards bent, the inclination angle of the first clamping surface 221 and the second clamping surface 231 is controlled through the inclination angle of the third surface 222 and the fourth surface 232, and the forming is simple and convenient. In addition, the inclination angle of the third surface 222 and the fourth surface 232 in the present embodiment is designed to be 50 °, which is well adapted to the wrench structure commonly used in the art, and has good connection stability.

Referring to fig. 1 to 5, in another embodiment of the present application, the handle portion 100, the clamping portion 200 and the extension portion 300 are all flat structures and the thickness directions of the handle portion 100, the clamping portion 200 and the extension portion 300 are parallel; one side surface of the clamping portion 200 in the thickness direction thereof is a clamping base surface 201. In this embodiment, the handle portion 100, the clamping portion 200 and the extension portion 300 are all flat structures, so that under the same volume condition, a larger clamping surface can be formed, and the integrity of the labor-saving wrench structure can be increased due to the fact that the handle portion 100, the clamping portion 200 and the extension portion 300 are flat structures, so that the structural strength of the labor-saving wrench is higher, and a longer service life is provided.

Referring to fig. 1 to 5, in another embodiment of the present application, two sides of the handle portion 100 and the extension portion 300 along the thickness direction are respectively provided with a groove 400 with an arc bottom wall, and the extending direction of the groove 400 is the same as the extending direction of the extension portion 300. The structure of the handle part 100 and the extension part 300 may be formed in an i-shaped structure by providing the grooves 400 on opposite sides of the handle part 100 and the extension part 300 in this embodiment, the structural strength of the extension part 300 and the handle part 100 may be remarkably improved and also have the beneficial effect of saving production materials.

Further, referring to fig. 1 to 5 together, in another embodiment of the present application, a side groove 400 opposite to the clamping base 201 extends to the clamping portion 200 and penetrates the clamping portion 200 along the length direction of the clamping portion 200. According to the labor-saving wrench structure provided in the present embodiment, the structural strength of the clamping portion 200 can be further increased by the groove 400 structure and the material consumption for producing the labor-saving wrench structure can be further reduced, effectively reducing the production cost.

Referring to fig. 1 to 5, in another embodiment of the present application, the middle region of the extension 300 forms a recess facing away from the clamping base 201, such that the distance between the central plane of the handle 100 and the central plane of the extension 300 is greater than the distance between the central plane of the clamping portion 200 and the central plane of the extension 300. In this embodiment, by providing the recess in the middle region of the extension portion 300, the grip portion 100 and the clamping surfaces on both sides of the extension portion 300 can be kept in the same plane, and after the wrench structure is inserted into the clamping space formed by the clamping base surface 201, the first clamping surface 221 and the second clamping surface 231, the grip portion 100 can be kept in the same plane as much as possible with the conventional wrench structure, thereby further saving effort. In addition, in this embodiment, the extension portion 300 is set to be concave in the middle area, which can also achieve the avoidance effect, so that the labor-saving wrench structure and the common wrench structure form deeper connection, and the socket joint position is easy to adjust, so that the operation is convenient.

Referring to fig. 1 to 5, in another embodiment of the present application, the handle portion 100, the clamping portion 200 and the extension portion 300 are integrally formed by forging. In the embodiment, the structural strength of the labor-saving wrench structure can be remarkably improved by adopting the forming mode of the integral forging forming, and the service life is prolonged.

Referring to fig. 1 to 5, in another embodiment of the present application, a rounded transition is provided at the upper edge of the handle portion 100, so as to be convenient for the user to hold.

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

Claims

1. A labor-saving wrench structure, comprising:

a handle portion (100) for gripping;

the clamping part (200) forms a clamping base surface (201) and a first holding finger (202) and a second holding finger (203) which are connected with the clamping base surface (201), wherein the first holding finger (202) and the second holding finger (203) are arranged at intervals along the length direction of the clamping part (200) and are positioned on two opposite sides of the clamping base surface (201) along the width direction of the clamping part (200), the first holding finger (202) forms a first clamping surface (221) which is inclined relative to the clamping base surface (201), the second holding finger (203) forms a second clamping surface (231) which is inclined relative to the clamping base surface (201), the first clamping surface (221) and the second clamping surface (231) are both oriented towards the clamping base surface (201), and the first clamping surface (221) and the second clamping surface (231) are arranged in a crossing mode;

the extension part (300) is of an extension structure, the extension direction is the same as the length direction of the clamping part (200), and the clamping part (200) and the handle part (100) are respectively connected to two ends of the extension part (300) along the extension direction.

2. A labor saving wrench structure as claimed in claim 1, wherein:

the first clamping surface (221) and the second clamping surface (231) are symmetrically arranged and have the same inclination angle.

3. A labor saving wrench structure as claimed in claim 2, wherein:

the first holding finger (202) and the second holding finger (203) are of flat structures, two side surfaces of the first holding finger (202) along the thickness direction are respectively provided with a first clamping surface (221) and a third surface (222), and two side surfaces of the second holding finger (203) along the thickness direction are respectively provided with a second clamping surface (231) and a fourth surface (232);

the third surface (222) and the fourth surface (232) are each inclined at an angle of 50 ° with respect to the normal to the clamping base surface (201).

4. A labor saving wrench structure as claimed in claim 1, wherein:

the handle part (100), the clamping part (200) and the extension part (300) are of flat structures, and the thickness directions of the handle part (100), the clamping part (200) and the extension part (300) are parallel;

one side surface of the clamping part (200) along the thickness direction is the clamping base surface (201).

5. A labor saving wrench structure as claimed in claim 1, wherein:

the handle part (100) and the extension part (300) are respectively provided with grooves (400) with arc-shaped bottom walls along the two sides of the respective thickness directions, and the extending direction of the grooves (400) is the same as the extending direction of the extension part (300).

6. The labor-saving wrench structure according to claim 5, wherein:

the groove (400) extends to the clamping portion (200) on the side opposite to the clamping base surface (201) and penetrates the clamping portion (200) in the length direction of the clamping portion (200).

7. A labor saving wrench structure as claimed in claim 1, wherein:

the intermediate region of the extension (300) forms a recess facing away from the clamping base surface (201) such that the distance between the central plane of the handle portion (100) and the central plane of the extension (300) is greater than the distance between the central plane of the clamping portion (200) and the central plane of the extension (300).

8. A labor saving wrench structure as claimed in claim 1, wherein:

the handle part (100), the clamping part (200) and the extension part (300) are integrally formed by forging.

9. A labor saving wrench structure as claimed in claim 1, wherein:

the upper edge of the handle part (100) is provided with a fillet transition.