Gear handle lever labor-saving cutting nippers

Abstract

The utility model discloses a labor-saving cutting nipper with a gear, a handle and a lever, and relates to the improvement of a daily use tool, in particular to the improvement of the labor-saving cutting nipper. The pair of pliers comprises a first plier head, a second plier head, a first plier handle and a second plier handle, the first plier head and the first plier handle are of an integrated structure, and the first plier head and the second plier head are hinged through a hinge shaft; a downward outer tooth part is arranged at the transition position of the first plier head and the first plier handle, a plier handle tooth part is arranged at the top of the second plier handle, and the plier handle tooth part is meshed with the outer tooth part. The upper portion of the second plier handle is hinged to the second plier head through a second hinge shaft. The cutting nippers have the advantages of being strong in clamping force and shearing force, the lever is integrally applied to the cutting nippers, so that the labor-saving effect is achieved, the strong clamping force and shearing force can be achieved through small gripping force, the common cutting nippers have the stronger using effect, and the application scene of the common cutting nippers is expanded.

Description

Technical Field

[0001] The utility model relates to an improvement of a daily-use tool, in particular to an improvement of a labor-saving shearing pliers. Background Art

[0002] Pliers and scissors used in daily life generally include a pliers or scissors head and a handle. The pliers or scissors head is mounted on the handle. When using, the hand grasps the handle and applies force to clamp the pliers or scissors head to achieve clamping or cutting. However, existing pliers and scissors rely on the handle of the pliers or scissors to achieve clamping and cutting by relying on a hinge axis in the middle and using a certain amount of leverage. The clamping force and shearing force are both achieved by the leverage effect achieved by the handle and the hinge axis. The magnitude of the clamping force and shearing force is heavily dependent on the length and strength of the handle.

[0003] The length of the handles and heads of ordinary household pliers are limited, so the clamping force and shearing force are greatly restricted in actual use; and in actual use, many application scenarios require strong clamping and shearing force, which ordinary pliers and scissors are no longer capable of. Utility Model Content

[0004] The purpose of this utility model is to address the defects and shortcomings of the existing technology and provide a gear handle lever labor-saving pliers, which has the advantages of strong clamping force and shearing force. The lever is integrated into the pliers to achieve the effect of saving effort. A stronger clamping force and shearing force can be achieved with a smaller grip force, so that ordinary pliers have a stronger use effect, thereby expanding the application scenarios of ordinary pliers.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solution: it includes a first pliers head 1, a second pliers head 2, a first pliers handle 3, and a second pliers handle 4. The first pliers head 1 and the first pliers handle 3 are an integrated structure, and the first pliers head 1 and the second pliers head 2 are hinged by a hinge shaft 5; a downward external tooth portion 31 is provided at the transition between the first pliers head 1 and the first pliers handle 3, and a pliers handle tooth portion 41 is provided at the top of the second pliers handle 4, and the pliers handle tooth portion 41 is engaged with the external tooth portion 31; the upper part of the second pliers handle 4 is hinged to the second pliers head through a second hinge shaft 6.

[0006] The first and second pliers 1 and 2 have jaws 11 formed at the middle of their respective tops. Jaws 11 are provided with teeth 12 below, and a shearing notch 13 below the teeth 12. Jaws 11 can be used to clamp objects; teeth 12 can be used to tighten or loosen nuts; and shearing notch 13 can be used to cut electrical wires, iron wires, or to cut the rubber or plastic insulation of flexible electrical wires.

[0007] A groove 42 is provided on the upper portion of the second pliers handle 4 , the pliers handle teeth 41 are provided on the top of the groove 42 , and the second pliers head 2 overlaps the inner surface of the groove 42 .

[0008] A wire clamping portion 14 is provided at the lower portion of the hinged joint of the first pliers handle 3 and the second pliers handle 4. The wire clamping portion 14 can be used to twist and connect wires.

[0009] The working principle of the utility model is as follows: on the basis of the existing pliers and scissors having the dual functions of pliers and scissors, one of the pliers handles of the scissors is divided into a movable handle and a fixed axis, the top of the movable handle is meshed with the outer teeth of the bottom of the first pliers handle 1 through the tooth top to form a rotating part; during clamping and shearing, the rotation and grip of the first pliers handle 3 are utilized, and the rotation of the first pliers handle 3 is utilized to form a lever effect, so that a strong clamping force and shearing force are formed with only a small gripping force, thereby achieving the effects of labor saving, large clamping force and large shearing force.

[0010] After adopting the above technical solution, the beneficial effects of the utility model are: it has the advantages of strong clamping force and shearing force, it integrates the lever into the pliers to achieve the effect of saving effort, and can achieve stronger clamping force and shearing force with a smaller grip force, so that ordinary pliers have a stronger use effect, thereby expanding the application scenarios of ordinary pliers. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0012] Figure 1 It is a structural diagram of the utility model;

[0013] Figure 2 yes Figure 1 Rear view;

[0014] Figure 3 This is a schematic structural diagram of the second pliers handle 4 of the present invention after it is fully unfolded;

[0015] Figure 4 yes Figure 3 A schematic diagram of the structure after the second pliers handle 4 is rotated inwards;

[0016] Figure 5 It is a structural schematic diagram of the utility model in the clamping state.

[0017] Explanation of the accompanying reference numerals: first pliers head 1, second pliers head 2, first pliers handle 3, second pliers handle 4, hinge axis 5, external tooth portion 31, pliers handle tooth portion 41, second hinge axis 6, jaws 11, tooth opening 12, shearing opening 13, groove 42, wire clamping portion 14. DETAILED DESCRIPTION

[0018] See Figure 1-5 As shown, the technical solution adopted in this specific embodiment is as follows: it comprises a first pliers head 1, a second pliers head 2, a first handle 3, and a second handle 4. The first pliers head 1 and the first handle 3 are integrally structured and hingedly connected by a hinge axis 5. A jaw 11 is formed at the corresponding center of the top of the first pliers head 1 and the second pliers head 2. The lower portion of the jaw 11 is provided with a toothed opening 12, and the lower portion of the toothed opening 12 is provided with a shearing notch 13. The jaw 11 can be used to clamp objects; the toothed opening 12 can be used to tighten or loosen nuts; and the shearing notch 13 can be used to cut electrical wires, iron wires, or to cut the rubber or plastic insulation layer of flexible electrical wires. A downwardly facing outer tooth portion 31 is provided at the transition between the first pliers head 1 and the first handle 3. The top of the second handle 4 is provided with handle teeth 41, which mesh with the outer tooth portion 31. The upper portion of the second handle 4 is hingedly connected to the second pliers head via a second hinge axis 6. The upper portion of the second pliers handle 4 is provided with a groove 42, the pliers handle teeth 41 are provided at the top of the groove 42, and the second pliers head 2 is overlapped on the inner surface of the groove 42. The lower portion of the hinged joint of the first pliers handle 3 and the second pliers handle 4 is provided with a wire clamping portion 14. The wire clamping portion 14 can be used to twist and connect wires.

[0019] This specific embodiment combines the existing pliers and scissors with the dual functions of vise and scissors, and divides one of the pliers handles into a movable handle and a fixed axis. The top of the movable handle meshes with the outer teeth of the bottom of the first pliers handle 1 through the tooth top to form a rotating part; the rotation and grip of the first pliers handle 3 are utilized during clamping and shearing, and the rotation of the first pliers handle 3 is used to form a lever effect, so that a strong clamping force and shearing force can be generated with only a small grip force, achieving the effect of labor saving, large clamping force and large shearing force. For the specific changing states of clamping and shearing, please refer to Figure 3-5 .

[0020] After adopting the above technical solution, it has the advantages of strong clamping force and shearing force. It integrates the lever into the pliers to achieve a labor-saving effect. It can achieve stronger clamping force and shearing force with a smaller grip force, so that ordinary pliers have a stronger use effect, thereby expanding the application scenarios of ordinary pliers.

[0021] The above description is only used to illustrate the technical solution of the present invention and is not intended to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A gear handle lever labor-saving pliers, characterized in that: The invention comprises a first pliers head (1), a second pliers head (2), a first pliers handle (3) and a second pliers handle (4); the first pliers head (1) and the first pliers handle (3) are an integral structure; the first pliers head (1) and the second pliers head (2) are hingedly connected via a hinge shaft (5); a downwardly directed external tooth portion (31) is provided at the transition between the first pliers head (1) and the first pliers handle (3); a pliers handle tooth portion (41) is provided at the top of the second pliers handle (4); the pliers handle tooth portion (41) is meshed with the external tooth portion (31); and the upper portion of the second pliers handle (4) is hingedly connected to the second pliers head via a second hinge shaft (6).

2. The gear handle lever labor-saving pliers according to claim 1, characterized in that: A jaw opening (11) is formed at the corresponding middle of the top of the first pliers head (1) and the second pliers head (2), a tooth opening (12) is arranged at the bottom of the jaw opening (11), and a shearing opening (13) is arranged at the bottom of the tooth opening (12).

3. The gear handle lever labor-saving pliers according to claim 1, characterized in that: The upper part of the second pliers handle (4) is provided with a groove (42), the pliers handle tooth portion (41) is arranged at the top of the groove (42), and the second pliers head (2) overlaps the inner surface of the groove (42).

4. The gear handle lever labor-saving pliers according to claim 1, characterized in that: A wire clamping portion (14) is provided at the lower part of the hinged joint between the first pliers handle (3) and the second pliers handle (4).

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