TW202132054A - Pliers - Google Patents

Abstract

Pliers include a first member, a second member, and a shaft pin. The first member is provided with a first pivot hole having a first inner peripheral surface and a second inner peripheral surface. The first inner peripheral surface and the second inner peripheral surface are respectively conical, a cone angle of the conical surface of the first inner peripheral surface forms a first angle, and a cone angle of the conical surface of the second inner peripheral surface forms a second angle smaller than the first angle. The second member is provided with a second pivot hole. The shaft pin is inserted in the first pivot hole and the second pivot hole. The shaft pin is provided with a first outer peripheral surface and a second outer peripheral surface. The first outer peripheral surface abuts against the first inner peripheral surface, and the second outer peripheral surface abuts against the second inner peripheral surface. The pliers have high durability through the above structure.

Description

pliers

The present invention mainly discloses a kind of pliers, especially high-durability pliers.

Please refer to the "Pliers Body Structure" patent case of China Patent No. I580533, which is a pliers body structure, which includes: a first system with a first acting end, a first grip, a first pivot, and a One side, the first container, the first pivot hole, the second side and the first peripheral surface; a second system is opposite to the first body, and the second system is provided with a second acting end, a second The handle, the second pivot, the third surface, the third receiving groove, the second pivot hole, the fourth surface and the second peripheral surface; a support block is in the shape of a circular block, and the support block is accommodated in the In the first container and the third container, the outer peripheral surface of the support block is matched with the first peripheral surface and the second peripheral surface, and the outer peripheral surface of the support block is connected with the first peripheral surface and the second peripheral surface. The support block is provided with a third pivot hole, and the third pivot hole is relatively straight and communicated with the first pivot hole and the second pivot hole.

However, the first body and the second body of the pliers body are prone to wear the first screw member and the second screw member when they are pivoted. When the first screw member and the second screw member are worn, a gap will be generated, and finally As a result, the first body and the second body will shake and the clamping object cannot be stabilized.

In view of the deficiencies of the above-mentioned conventional structure, the present inventor has designed a pliers which can overcome all the shortcomings of the above-mentioned conventional structure.

The main purpose of the pliers of the present invention is to provide a pliers including a first part, a second part and an axle pin. The virtual shaft is axially provided with a first side and a second side opposite to the first side. One end of the first pivot hole is connected to the first side and the other end is connected to the second side. The radial inner wall of the virtual rotating shaft is provided with a first inner circumferential surface and a second inner circumferential surface. The first inner circumferential surface and the second inner circumferential surface are respectively conical surfaces. The radial width of the virtual rotating shaft gradually expands from a position adjacent to the first side to a position adjacent to the second side, the second inner circumferential surface is connected to the first inner circumferential surface, and the second inner circumferential surface is located at the first inner circumferential surface. Between an inner circumferential surface and the second side, the width of the second inner circumferential surface along the radial direction of the virtual rotating axis gradually expands from a position adjacent to the first side to a position adjacent to the second side, and the first inner circumference The cone angle of the conical surface of the surface forms a first angle, the cone angle of the conical surface of the second inner peripheral surface forms a second angle, the second angle is smaller than the first angle, and the second component is provided with a second angle. Pivot hole, the first side is adjacent to the second component, the pivot pin is inserted in the first pivot hole and the second pivot hole, and the pivot pin is provided with a first pivot along the radial outer periphery of the virtual shaft An outer circumferential surface and a second outer circumferential surface, the first outer circumferential surface and the second outer circumferential surface are respectively conical surfaces, the first outer circumferential surface abuts the first inner circumferential surface in a surface contact manner, and the second outer circumferential surface Abutting against the second inner peripheral surface in a surface contact manner, the pliers has high durability through the above-mentioned structure.

The first angle can be 80 degrees or more and 100 degrees or less, and the second angle can be 10 degrees or more and 40 degrees or less.

The first angle is 90 degrees, and the second angle is 22 degrees.

The inner wall of the second pivot hole along the radial direction of the virtual shaft is provided with a third inner peripheral surface. The third inner peripheral surface is in the shape of a conical surface. The position of the first component gradually expands away from the position of the first component, the cone angle of the conical surface of the third inner peripheral surface forms a third angle, the third angle is 90 degrees, and the shaft pin is along the virtual rotation axis The radial outer periphery is provided with a third outer peripheral surface, the third outer peripheral surface is in the shape of a conical surface, and the third outer peripheral surface abuts against the third inner peripheral surface in a surface contact manner.

The shaft pin has an integrally formed structure, and the third inner peripheral surface is formed by riveting.

The first component is provided with a first stripping portion, the first stripping portion is adjacent to the second side, and the second component is provided with a second stripping portion corresponding to the first stripping portion. The wire portion, the third inner peripheral surface is adjacent to the first wire stripping portion and the second wire stripping portion.

Other purposes, advantages, and novelty of the present invention will be more apparent from the following detailed description and related drawings.

Regarding the technology, means and effects of the present invention, a preferred embodiment is given in conjunction with the detailed descriptions below. This is for illustrative purposes only, and is not limited by this structure in the patent application.

1 to 3, which are a three-dimensional appearance view, a three-dimensional exploded view, and a cross-sectional structure view of the pliers of the present invention. The pliers 10 of the present invention includes a first part 20, a second part 30 and an axle pin 40; among them:

The first component 20 is provided with a first pivot hole 21 along a virtual rotation axis L, and the first component 20 is axially provided with a first side 22 and a second side 22 opposite to the first side 22 along the virtual rotation axis L. Side 23. One end of the first pivot hole 21 is connected to the first side 22 and the other end is connected to the second side 23. The first pivot hole 21 is provided with a first inner circumference along the radial inner wall of the virtual rotation axis L Surface 211 and a second inner circumferential surface 212, the first inner circumferential surface 211 and the second inner circumferential surface 212 are respectively conical surfaces, the width of the first inner circumferential surface 211 along the radial direction of the virtual rotation axis L from adjacent The position of the first side 22 gradually expands to a position adjacent to the second side 23, the second inner circumferential surface 212 is connected to the first inner circumferential surface 211, and the second inner circumferential surface 212 is located on the first inner circumferential surface 211 and the second side 23, the width of the second inner peripheral surface 212 along the radial direction of the virtual rotation axis L gradually expands from a position adjacent to the first side 22 to a position adjacent to the second side 23, and the first The cone angle of the conical surface of the inner peripheral surface 211 forms a first angle A1, and the cone angle of the conical surface of the second inner peripheral surface 212 forms a second angle A2, and the second angle A2 is smaller than the first angle A1.

The second part 30 is provided with a second pivot hole 31, and the first side 22 is adjacent to the second part 30.

The shaft pin 40 is inserted into the first pivot hole 21 and the second pivot hole 31, and the shaft pin 40 is provided with a first outer peripheral surface 41 and a second outer circumference along the outer periphery of the virtual shaft L in the radial direction. Surface 42, the first outer circumferential surface 41 and the second outer circumferential surface 42 are respectively conical surfaces, the first outer circumferential surface 41 abuts the first inner circumferential surface 211 in a surface contact manner, and the second outer circumferential surface 42 is It abuts against the second inner peripheral surface 212 in a surface contact manner.

The first angle A1 can be 80 degrees or more and 100 degrees or less, the second angle A2 can be 10 degrees or more and 40 degrees or less, the first angle A1 is 90 degrees in this embodiment, and the second angle A2 is 22 degrees in this embodiment.

The second pivot hole 31 is provided with a third inner circumferential surface 32 along the radial inner wall of the virtual rotation axis L. The third inner circumferential surface 32 is in the shape of a conical surface. The third inner circumferential surface 32 is along the virtual rotation axis L. The width in the radial direction gradually expands from a position adjacent to the first component 20 to a position away from the first component 20. The cone angle of the conical surface of the third inner peripheral surface 32 forms a third angle A3, and the third angle A3 In this embodiment, it is 90 degrees. The shaft pin 40 is provided with a third outer peripheral surface 43 along the radial outer peripheral edge of the virtual rotation axis L. The third outer peripheral surface 43 is in the shape of a conical surface. It abuts against the third inner peripheral surface 32 in a surface contact manner.

The shaft pin 40 has an integrally formed structure, and the third inner peripheral surface 32 is formed by riveting.

The first component 20 is provided with a first stripping portion 24, the first stripping portion 24 is adjacent to the second side 23, the second component 30 is provided with a second stripping portion 33, the second stripping portion The portion 33 corresponds to the first stripping portion 24, and the third inner peripheral surface 32 is adjacent to the first stripping portion 24 and the second stripping portion 33.

The pliers 10 has high durability through the above-mentioned structure, and the use of the conical surfaces of the shaft pin 40 with two different angles to match the conical hole of the first component 20 can reduce the wear of the shaft pin 40.

From the above, it can be concluded that the present invention has the following advantages:

1. The pliers of the present invention, wherein the pliers includes a first part, a second part and an axle pin, the first part is provided with a first pivot hole along a virtual rotation axis, and the first part is along the virtual rotation axis. There is a first side and a second side opposite to the first side. One end of the first pivot hole is connected to the first side and the other end is connected to the second side. The first pivot hole is along the virtual rotation axis. The radial inner wall is provided with a first inner circumferential surface and a second inner circumferential surface, the first inner circumferential surface and the second inner circumferential surface are respectively conical surfaces, and the first inner circumferential surface is along the virtual rotation axis The width in the radial direction gradually expands from a position adjacent to the first side to a position adjacent to the second side, the second inner circumferential surface is connected to the first inner circumferential surface, and the second inner circumferential surface is located on the first inner circumferential surface Between the surface and the second side, the width of the second inner peripheral surface along the radial direction of the virtual rotating axis gradually expands from a position adjacent to the first side to a position adjacent to the second side, and the cone of the first inner peripheral surface The cone angle of the surface forms a first angle, the cone angle of the cone surface of the second inner peripheral surface forms a second angle, the second angle is smaller than the first angle, the second component is provided with a second pivot hole, The first side is adjacent to the second component, the shaft pin is inserted in the first pivot hole and the second pivot hole, and the shaft pin is provided with a first outer peripheral surface and A second outer circumferential surface, the first outer circumferential surface and the second outer circumferential surface are respectively conical surfaces, the first outer circumferential surface abuts the first inner circumferential surface in a surface contact manner, and the second outer circumferential surface is in surface contact The method abuts against the second inner peripheral surface, and the pliers has high durability through the above-mentioned structure.

However, the above are only the preferred embodiments of the present invention. When they cannot be used to limit the scope of implementation of the present invention, all numerical changes or substitutions of equivalent elements or equivalents made in accordance with the scope of the patent application of the present invention are mentioned. Changes and modifications should still fall within the scope of the invention patent.

10: Pliers 20: The first part 21: The first pivot hole 211: The first inner peripheral surface 212: second inner peripheral surface 22: first side 23: second side 24: The first stripping part 30: The second part 31: second pivot hole 32: The third inner circumferential surface 33: The second stripping part 40: Axle pin 41: The first outer peripheral surface 42: second outer peripheral surface 43: third outer peripheral surface L: Virtual shaft A1: The first angle A2: second angle A3: The third angle

Figure 1 is a perspective view of the pliers of the present invention. Figure 2: is a three-dimensional exploded view of the pliers of the present invention. Figure 3: A cross-sectional structure diagram of the pliers of the present invention.

10: Pliers

20: The first part

24: The first stripping part

30: The second part

33: The second stripping part

40: Axle pin

Claims (6)

A pliers including: A first part, the first part is provided with a first pivot hole along a virtual shaft, the first part is provided with a first side and a second side opposite to the first side in the axial direction of the virtual shaft, One end of the first pivot hole is connected to the first side and the other end is connected to the second side. The inner wall of the first pivot hole along the radial direction of the virtual shaft is provided with a first inner peripheral surface and a second inner peripheral surface , The first inner circumferential surface and the second inner circumferential surface are respectively conical surfaces, and the width of the first inner circumferential surface along the radial direction of the virtual rotating shaft is from a position adjacent to the first side to a position adjacent to the second side Gradually expanding, the second inner circumferential surface is connected to the first inner circumferential surface, the second inner circumferential surface is located between the first inner circumferential surface and the second side, and the second inner circumferential surface is along the virtual shaft diameter The width of the cone gradually expands from the position adjacent to the first side to the position adjacent to the second side, the cone angle of the conical surface of the first inner peripheral surface forms a first angle, and the The cone angle forms a second angle, and the second angle is smaller than the first angle; A second part, the second part is provided with a second pivot hole, and the first side is adjacent to the second part; An axle pin inserted in the first pivot hole and the second pivot hole, the axle pin is provided with a first outer peripheral surface and a second outer peripheral surface along the outer peripheral edge of the virtual rotating shaft in the radial direction, The first outer peripheral surface and the second outer peripheral surface are respectively conical surfaces, the first outer peripheral surface abuts against the first inner peripheral surface in a surface contact manner, and the second outer peripheral surface abuts against the first inner peripheral surface in a surface contact manner Two inner peripheral surface. The pliers according to claim 1, wherein the first angle can be 80 degrees or more and 100 degrees or less, and the second angle can be 10 degrees or more and 40 degrees or less. The pliers according to claim 2, wherein the first angle is 90 degrees and the second angle is 22 degrees. The pliers according to any one of claims 1 to 3, wherein the inner wall of the second pivot hole along the radial direction of the virtual shaft is provided with a third inner circumferential surface, and the third inner circumferential surface is in the shape of a conical surface, The width of the third inner circumferential surface along the radial direction of the virtual rotation axis gradually expands from a position adjacent to the first component to a position away from the first component, and the cone angle of the conical surface of the third inner circumferential surface forms a third angle , The third angle is 90 degrees, the shaft pin is provided with a third outer peripheral surface along the radial outer periphery of the virtual rotating shaft, the third outer peripheral surface is in the shape of a conical surface, and the third outer peripheral surface abuts in a surface contact manner On the third inner peripheral surface. The pliers according to claim 4, wherein the shaft pin is an integrally formed structure, and the third inner peripheral surface is formed by riveting. The pliers according to claim 5, wherein the first part is provided with a first stripping part, the first stripping part is adjacent to the second side, the second part is provided with a second stripping part, the The second strip portion corresponds to the first strip portion, and the third inner peripheral surface is adjacent to the first strip portion and the second strip portion.

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