CN217168140U - Tool with a locking device - Google Patents

Abstract

The utility model provides a tool for dismantle and assemble the work piece, including the base plate, the tool still includes: a platen and a rotating assembly. The rotating assembly is used for connecting the substrate and the pressing plate, and the pressing plate rotates based on the rotating assembly; a disassembling station and an assembling station are formed between the base plate and the pressing plate and are positioned on two sides of the rotating assembly. The utility model has the advantages that the pressing plate and the base plate move relatively by taking the rotating component as an axis by applying external force, when the base plate and the pressing plate on the disassembling station are far away from each other, a workpiece unit on the workpiece on the disassembling station is separated from a workpiece unit adjacent to the workpiece unit, so as to realize the disassembly of the workpiece; when the base plate and the pressing plate on the assembling station are close to each other, a workpiece unit on the workpiece on the assembling station is buckled with an adjacent workpiece unit, and the workpiece is assembled. The tool utilizes the lever principle to realize the disassembly and assembly of the workpiece, has a simple structure, is convenient and fast to operate, and improves the disassembly and assembly efficiency of the workpiece.

Description

Tool with a locking device

Technical Field

The utility model relates to a dismouting field especially relates to an instrument for dismantle and equipment work piece.

Background

In a machining production workshop, the bamboo joint pipe is widely applied. According to the difference of production nature, often need lengthen or shorten the slub pipe, because the slub pipe is formed by the concatenation of a plurality of slub units, consequently, the dismouting that needs the slub pipe to lengthen or shorten only needs through the slub unit can satisfy the operation requirement.

However, the conventional bamboo joint pipe is mostly disassembled and assembled by a manual disassembling and assembling mode, the labor consumption is large, the disassembling and assembling time is long, and the disassembling and assembling efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a tool to solve the technical problem of how to mount and dismount a workpiece with less effort and high efficiency.

An embodiment of the utility model provides a tool for dismantle and the equipment work piece, including the base plate, still include:

pressing a plate; and

the rotating assembly is used for connecting the substrate and the pressing plate, and the pressing plate rotates based on the rotating assembly;

and a disassembly station and an assembly station are formed between the base plate and the pressing plate and are positioned at two sides of the rotating assembly.

Thus, the workpiece is placed on the disassembling station or the assembling station, the pressing plate and the base plate are relatively moved by taking the rotating assembly as an axis through applying external force, and when the base plate and the pressing plate on the disassembling station are far away from each other, a workpiece unit on the workpiece on the disassembling station is separated from an adjacent workpiece unit, so that the workpiece is disassembled; at the moment, when the base plate and the pressing plate on the assembling station are close to each other, a workpiece unit on the workpiece on the assembling station is buckled with an adjacent workpiece unit to assemble the workpiece.

In some embodiments, the base plate comprises a first jaw, a second jaw, and a first handle, the first jaw being located on one side of the rotating assembly, the second jaw and the first handle being located on the other side of the rotating assembly;

the pressing plate comprises a third jaw, a fourth jaw and a second handle;

wherein the first jaw and the third jaw form the disassembly station and the second jaw and the fourth jaw form the assembly station.

Therefore, the workpiece is placed on the disassembling station formed by the first jaw and the third jaw or the workpiece is placed on the assembling station formed by the second jaw and the fourth jaw, external force is applied to enable the first handle and the second handle to be close to each other, the first jaw and the third jaw are far away from each other, the second jaw and the fourth jaw are close to each other, the workpiece is disassembled and assembled, the structure is simple, the time spent on disassembling and assembling is short, and the disassembling and assembling efficiency of the workpiece is improved.

In some embodiments, the opening direction of the first jaw is perpendicular to the opening direction of the second jaw;

the opening direction of the third jaw is perpendicular to the opening direction of the fourth jaw.

Therefore, interference does not occur between the disassembling station formed by the first jaw and the third jaw and the assembling station formed by the second jaw and the fourth jaw, the two workpieces can be disassembled and assembled simultaneously, and the disassembling efficiency is further improved.

In some embodiments, a side of the first jaw facing away from the third jaw is provided with a first positioning portion, the first positioning portion is used for positioning the workpiece, the first positioning portion has a conical opening, and a cross-sectional area of the first positioning portion gradually increases in a direction away from the third jaw.

So, the work piece is placed in first keeping silent and the third is kept silent and is formed dismantles the station after, and first locating part can fix a position the work piece, prevents that the work piece from being dismantled the acutely rocking of in-process, stability when improving the work piece and being dismantled.

In some embodiments, an assembling portion is disposed on a side of the fourth jaw facing the second jaw, the assembling portion is used for assembling the workpiece, the assembling portion is open in a conical shape, and a cross-sectional area of the assembling portion gradually increases in a direction facing the second jaw.

So, the work piece of treating the equipment is placed in the fourth jaw, and the work piece that the equipment portion can treat the equipment is spacing, prevents to shift, improves the result of use.

In some embodiments, a side of the second jaw facing the fourth jaw is provided with a second positioning portion for positioning the workpiece, the second positioning portion is open in a conical shape, and a cross-sectional area of the positioning portion is gradually reduced in a direction facing the fourth jaw;

And a butting part is arranged on one side of the second jaw, which is far away from the fourth jaw, and the butting part is used for butting against the workpiece.

Therefore, the workpiece to be assembled is placed in the second jaw, the workpiece to be assembled is positioned by the second positioning portion, and the abutting portion abuts against the surface of the workpiece to be assembled, so that the position of the workpiece to be assembled is limited, the workpiece is prevented from shaking during assembly, and the using effect is improved.

In some embodiments, the distance between the second jaw and the rotating assembly is L1, and the distance between the first handle and the rotating assembly is L2, wherein L1: l2 ═ 1: 3.

therefore, the lever principle is utilized, so that labor is saved when the workpiece is assembled, and the labor intensity during assembly is reduced.

In some embodiments, the distance between the third jaw and the rotation assembly is L3, and the distance between the second handle and the rotation assembly is L4, wherein L3: l4 ═ 1: 4.

therefore, the lever principle is utilized, so that labor is saved when the workpiece is disassembled, and the labor intensity during assembly is reduced.

In some embodiments, the rotating assembly comprises:

the first fixing block is arranged on the lower surface of the pressing plate;

The second fixed block is arranged on the upper surface of the substrate; and

and the pin shaft is used for connecting the first fixing block and the second fixing block, and the first fixing block and the second fixing block realize mutual rotation based on the pin shaft.

So, when the work piece carries out the dismouting, the rotation of clamp plate and base plate rotates through first fixed block and second fixed block and round pin axle as the base point and realizes, simple structure, convenient to use.

In some embodiments, the tool further comprises a reduction assembly comprising:

the limiting rod penetrates through the substrate and the pressing plate, and limiting parts are arranged at two ends of the limiting rod; and

the elastic piece is sleeved on the limiting rod and used for resetting the pressing plate, and two ends of the elastic piece are respectively abutted against the substrate and the pressing plate.

So, when dismantling or installing the work piece, clamp plate and base plate are close to each other, and the compression elastic component shortens, and after dismantling or the installation is accomplished, the elastic component replies and warp, can drive clamp plate and base plate automatically and reply to initial position, is convenient for to the dismantlement or the installation of next work piece, and convenient to use improves the dismouting efficiency of work piece.

Drawings

Fig. 1 is a schematic structural diagram of a workpiece provided by the present invention.

Fig. 2 is a schematic structural diagram of a tool and a workpiece provided by the present invention.

Fig. 3 is an exploded view of the tool shown in fig. 2.

Description of the main elements

Tool 100

Substrate 10

Disassembly station 10a

Assembly station 10b

First jaw 11

The first positioning portion 110

Second jaw 12

Second positioning part 120

Abutting part 121

First handle 13

Pressure plate 20

Third jaw 21

The fourth jaw 22

Assembling part 220

Second handle 23

Rotating assembly 30

First fixing block 31

Second fixing block 32

Pin 33

Reduction assembly 40

Limiting rod 41

Position limiting part 410

Elastic member 42

Workpiece 200

Workpiece unit 201

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 invention. 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically, electrically or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

An embodiment of the utility model provides a tool for dismantle and the equipment work piece, including the base plate, the tool still includes clamp plate and rotating assembly. The rotating assembly is used for connecting the substrate and the pressing plate, and the pressing plate rotates based on the rotating assembly; a disassembling station and an assembling station are formed between the base plate and the pressing plate and are positioned on two sides of the rotating assembly.

Referring to fig. 1, the workpiece 200 of the present invention is formed by fastening a plurality of workpiece units 201, and the different workpiece units 201 are respectively removed or assembled by pulling out or inserting the workpiece units 201. For example: the workpiece 200 is a bamboo joint pipe formed by a plurality of bamboo joint units. Hereinafter, the present invention will be described in detail by taking a bamboo joint pipe as an example of the workpiece 200.

The tool is characterized in that a workpiece is placed on a disassembling station or an assembling station, external force is applied to enable the pressing plate and the base plate to move relatively by taking the rotating assembly as an axis, when the base plate and the pressing plate on the disassembling station are far away from each other, a workpiece unit 201 of the workpiece on the disassembling station is separated from an adjacent workpiece unit 201 of the workpiece, and the workpiece is disassembled; at this time, the base plate and the pressing plate on the assembly station are close to each other, so that one workpiece unit 201 of the workpiece 200 on the assembly station is fastened with an adjacent workpiece unit 201, and the assembly of the workpiece 200 is realized. Therefore, the tool utilizes the lever principle to realize the disassembly and assembly of the workpiece 200, has a simple structure and convenient operation, and improves the disassembly and assembly efficiency of the workpiece 200.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 2, an embodiment of the present invention provides a tool 100 for disassembling and assembling a workpiece 200. The tool 100 includes a base plate 10, a platen 20, and a rotation assembly 30. The rotating assembly 30 is used for connecting the substrate 10 and the pressure plate 20, and the pressure plate 20 rotates based on the rotating assembly 30; the base plate 10 and the pressing plate 20 form a disassembling station 10a and an assembling station 10b therebetween, and the disassembling station 10a and the assembling station 10b are located at both sides of the rotating assembly 30.

In some embodiments, the pressing plate 20 and the substrate 10 may be made of aluminum alloy, and it is understood that in other embodiments, the pressing plate 20 and the substrate 10 may be made of other materials such as stainless steel.

Placing the workpiece 200 on the disassembling station 10a or the assembling station 10b, applying an external force to make the pressing plate 20 and the substrate 10 move relatively with the rotating assembly 30 as an axis, and separating a workpiece unit 201 on the workpiece 200 on the disassembling station 10a from an adjacent workpiece unit 201 when the substrate 10 and the pressing plate 20 on the disassembling station 10a are far away from each other, so as to realize the disassembling of the workpiece 200; at this time, the base plate 10 and the pressing plate 20 at the assembling station 10b are close to each other, so that one workpiece unit 201 of the workpiece 200 at the assembling station 10b is fastened to an adjacent workpiece unit 201, and the workpiece 200 is assembled. Therefore, the tool 100 realizes the disassembly and assembly of the workpiece 200 by utilizing the lever principle, has a simple structure and convenient operation, and improves the disassembly and assembly efficiency of the workpiece 200.

Referring to fig. 3, the base plate 10 includes a first jaw 11, a second jaw 12 and a first handle 13, the first jaw 11 is located on one side of the rotating assembly 30, and the second jaw 12 and the first handle 13 are located on the other side of the rotating assembly 30. The platen 20 includes a third jaw 21, a fourth jaw 22, and a second handle 23. The first jaw 11 and the third jaw 21 form a disassembly station 10a, and the second jaw 12 and the fourth jaw 22 form an assembly station 10 b.

In some embodiments, the opening direction of the first jaw 11 is perpendicular to the opening direction of the second jaw 12, the opening direction of the third jaw 21 is perpendicular to the opening direction of the fourth jaw 22, the first jaw 11 corresponds to the position of the third jaw 21 and the opening direction of the first jaw 11 coincides with the opening direction of the third jaw 21, the second jaw 12 corresponds to the position of the fourth jaw 22 and the opening direction of the second jaw 12 coincides with the opening direction of the fourth jaw 22. The workpiece 200 is placed on a disassembling station 10a formed by a first jaw 11 and a third jaw 21 or the workpiece 200 is placed on an assembling station 10b formed by a second jaw 12 and a fourth jaw 22, external force is applied to enable a first handle 13 and a second handle 23 to approach each other, so that the first jaw 11 and the third jaw 21 are far away from each other, meanwhile, the second jaw 12 and the fourth jaw 22 approach each other, the workpiece 200 is disassembled and assembled, the structure is simple, the time spent on disassembling and assembling is short, and the disassembling and assembling efficiency of the workpiece 200 is improved. And interference does not occur between the disassembling station 10a formed by the first jaw 11 and the third jaw 21 and the assembling station 10b formed by the second jaw 12 and the fourth jaw 22, so that two workpieces 200 can be disassembled and assembled at the same time, and the disassembling and assembling efficiency is further improved.

In this embodiment, the first jaw 11, the second jaw 12, the third jaw 21 and the fourth jaw 22 are substantially semi-cylindrical, the central axes of the first jaw 11 and the second jaw 12 are perpendicular to the length direction of the substrate 10, and the central axes of the third jaw 21 and the fourth jaw 22 are perpendicular to the length direction of the platen 20.

With continued reference to fig. 2, the distance between the second jaw 12 and the rotating assembly 30 is L1, and the distance between the first handle 13 and the rotating assembly 30 is L2, wherein L1: l2 ═ 1: 3. the distance between the third jaw 21 and the rotating assembly 30 is L3, and the distance between the second handle 23 and the rotating assembly 30 is L4, wherein L3: l4 ═ 1: 4. therefore, the lever principle is utilized, so that labor is saved when the workpiece 200 is disassembled or assembled, and the labor intensity is reduced.

It should be noted that L1 is the distance from the base point of rotation of the rotating assembly 30 to the central axis of the second jaw 12; l2 is the distance between the point where the first handle 13 is farthest from the rotating assembly 30 and the base point of rotation of the rotating assembly 30; l3 is the distance from the base of rotation of the rotating assembly 30 to the central axis of the third jaw 21; l4 is the distance between the point where the second handle 23 is farthest from the rotating assembly 30 and the base point of rotation of the rotating assembly 30.

As can be appreciated, L1: l2 ═ 1: 3 and L3: l4 ═ 1: 4 is one embodiment shown, in other embodiments, L1: l2 and L3: l4 can be in other proportion, and only needs to satisfy L2 > L1 and L4 > L3.

In some embodiments, a side of the first jaw 11 facing away from the third jaw 21 is provided with a first positioning portion 110, the first positioning portion 110 is used for positioning the workpiece 200, the first positioning portion 110 is open in a conical shape, and a cross-sectional area of the first positioning portion 110 gradually increases in a direction away from the third jaw 21. In this way, after the workpiece 200 is placed in the detaching station 10a formed by the first jaw 11 and the third jaw 21, the first positioning portion 110 can position the workpiece 200, thereby preventing the workpiece 200 from being violently shaken in the detaching process and improving the stability of the workpiece 200 when detached.

In this embodiment, the cross-sectional area is an area of a cross-section perpendicular to the jaw extending direction of the first jaw 11, that is, an area of a cross-section perpendicular to the central axis direction of the first jaw 11. The shape of the first positioning portion 110 is adapted to the surface shape of the workpiece 200.

In some embodiments, the fourth jaw 22 is provided with an assembling portion 220 on a side facing the second jaw 12, the assembling portion 220 is used for assembling the workpiece 200, the assembling portion 220 is open in a conical shape, and a cross-sectional area of the assembling portion 220 gradually increases in a direction facing the second jaw 12. A second positioning portion 120 is disposed on a side of the second jaw 12 facing the fourth jaw 22, the second positioning portion 120 is used for positioning the workpiece 200, the second positioning portion 120 is open in a conical shape, and a cross-sectional area of the positioning portion is gradually reduced in a direction facing the fourth jaw 22. One side of the second jaw 12 facing away from the fourth jaw 22 is provided with a supporting portion 121, and the supporting portion 121 is used for supporting the workpiece 200.

In this embodiment, the shape of the second positioning portion 120 is adapted to the shape of the surface of the workpiece unit 201. The abutting portion 121 is a protruding structure of the inner wall of the second jaw 12 toward the center of the jaw.

When the workpiece 200 is assembled, the second jaw 12 and the fourth jaw 22 can respectively position and fix the positions of the two workpiece units 201, prevent displacement and improve the use effect by placing one workpiece unit 201 in the second jaw 12, positioning the workpiece unit 201 by the second positioning portion 120, abutting the abutting portion 121 against the surface of the workpiece unit 201 to limit the position of the workpiece unit 201, placing the other workpiece unit 201 in the fourth jaw 22 and limiting the workpiece unit 201 by the assembling portion 220.

In some embodiments, the rotating assembly 30 includes a first fixed block 31, a second fixed block 32, and a pin 33. The first fixing block 31 is provided on the lower surface of the pressure plate 20. The second fixing block 32 is provided on the upper surface of the substrate 10. The pin 33 is used for connecting the first fixing block 31 and the second fixing block 32, and the first fixing block 31 and the second fixing block 32 rotate relative to each other based on the pin 33. When the workpiece 200 is disassembled and assembled, the rotation of the pressing plate 20 and the substrate 10 is realized by rotating the first fixing block 31, the second fixing block 32 and the pin shaft 33 as a base point, and the structure is simple and the use is convenient.

In some embodiments, tool 100 further comprises a reduction assembly 40, wherein reduction assembly 40 comprises a stop rod 41 and a resilient member 42. The limiting rod 41 penetrates through the substrate 10 and the pressing plate 20, and both ends of the limiting rod 41 are provided with limiting parts 410. The elastic member 42 is sleeved on the limiting rod 41 and used for resetting the pressing plate 20, and two ends of the elastic member 42 are respectively abutted to the substrate 10 and the pressing plate 20.

In some embodiments, the elastic member 42 may be a spring, and the limiting rod 41 has an "I" shape.

When the workpiece 200 is disassembled or assembled, the pressing plate 20 and the substrate 10 are close to each other, the compression elastic part 42 is shortened, after the disassembly or assembly is completed, the elastic part 42 is deformed in a restoring mode, the pressing plate 20 and the substrate 10 can be automatically driven to restore to the initial position, the next workpiece 200 can be conveniently disassembled or assembled, the use is convenient, and the disassembly and assembly efficiency of the workpiece 200 is improved.

Referring to fig. 1-3, the tool 100 is used generally as follows:

when the workpiece 200 is disassembled: the workpiece 200 is placed on a disassembling station 10a formed by a first jaw 11 and a third jaw 21, the first positioning portion 110 positions the workpiece 200, the first handle 13 and the second handle 23 are close to each other by applying an external force, the first fixing block 31 and the second fixing block 32 rotate by taking the pin shaft 33 as a base point, the first jaw 11 and the third jaw 21 are far away from each other, a workpiece unit 201 on the workpiece 200 on the disassembling station 10a is driven to be separated from an adjacent workpiece unit 201, and the workpiece 200 on the disassembling station 10a is disassembled.

When assembling the workpiece 200: two workpiece units 201 to be assembled are respectively placed in the second jaw 12 and the fourth jaw 22, the second positioning portion 120 positions the workpiece units 201 in the second jaw 12, the abutting portion 121 abuts against the surface of the workpiece units 201, the assembling portion 220 limits the workpiece units 201 in the fourth jaw 22, the first handle 13 and the second handle 23 are close to each other by applying external force, the first fixing block 31 and the second fixing block 32 rotate by taking the pin shaft 33 as a base point, the second jaw 12 and the fourth jaw 22 are close to each other, and the two workpiece units 201 on the assembling station 10b are driven to be buckled together, so that the two workpiece units 201 are assembled.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the patent. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A tool for disassembling and assembling a workpiece, comprising a base plate, characterized in that the tool further comprises:

pressing a plate; and

the rotating assembly is used for connecting the substrate and the pressing plate, and the pressing plate rotates based on the rotating assembly;

and a disassembly station and an assembly station are formed between the base plate and the pressing plate and are positioned at two sides of the rotating assembly.

2. The tool of claim 1,

the base plate comprises a first jaw, a second jaw and a first handle, the first jaw is positioned on one side of the rotating assembly, and the second jaw and the first handle are positioned on the other side of the rotating assembly;

the pressure plate comprises a third jaw, a fourth jaw and a second handle;

wherein the first jaw and the third jaw form the disassembly station and the second jaw and the fourth jaw form the assembly station.

3. The tool of claim 2,

the opening direction of the first jaw is perpendicular to the opening direction of the second jaw;

the opening direction of the third jaw is perpendicular to the opening direction of the fourth jaw.

4. The tool of claim 2,

one side of the first jaw, which faces away from the third jaw, is provided with a first positioning portion, the first positioning portion is used for positioning the workpiece, the first positioning portion is provided with a conical opening, and the cross-sectional area of the first positioning portion is gradually increased along a direction away from the third jaw.

5. The tool of claim 2,

an assembling portion is arranged on one side, facing the second jaw, of the fourth jaw and used for assembling the workpiece, the assembling portion is provided with a conical opening, and the cross section area of the assembling portion is gradually increased along the direction facing the second jaw.

6. The tool of claim 2,

a second positioning part is arranged on one side, facing the fourth jaw, of the second jaw and used for positioning the workpiece, the second positioning part is provided with a conical opening, and the cross section area of the positioning part is gradually reduced along the direction facing the fourth jaw;

and a butting part is arranged on one side of the second jaw, which is far away from the fourth jaw, and the butting part is used for butting against the workpiece.

7. The tool of claim 2,

the distance between the second jaw and the rotating assembly is L1, the distance between the first handle and the rotating assembly is L2, wherein L1: l2 ═ 1: 3.

8. the tool of claim 2,

a distance between the third jaw and the rotation assembly is L3, a distance between the second handle and the rotation assembly is L4, wherein L3: l4 ═ 1: 4.

9. the tool of claim 1, wherein the rotation assembly comprises:

the first fixing block is arranged on the lower surface of the pressing plate;

the second fixed block is arranged on the upper surface of the substrate; and

and the pin shaft is used for connecting the first fixing block and the second fixing block, and the first fixing block and the second fixing block realize mutual rotation based on the pin shaft.

10. The tool of claim 1, further comprising a reset assembly, the reset assembly comprising:

the limiting rod penetrates through the substrate and the pressing plate, and limiting parts are arranged at two ends of the limiting rod; and

the elastic piece is sleeved on the limiting rod and used for resetting the pressing plate, and two ends of the elastic piece are respectively abutted against the substrate and the pressing plate.

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