Labor-saving cutting pliers
By adopting a two-stage composite lever structure and serrated groove and shear blade design in the wire cutter, the problem of insufficient driving force when providing clamping or shearing force is solved, achieving more efficient labor-saving effect and use Convenience.
Patent Information
- Application Number
- CN202421080106.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-17
AI Technical Summary
When traditional wire cutters provide greater clamping or shearing forces, it is difficult to achieve the expected effect due to the limited driving force provided by the operator.
A labor-saving wire cutter is designed, adopting a two-stage composite lever structure, which transmits force through the hinge connection and limit chute of the pliers and the single pliers head, increasing the lever ratio, combining the serrated groove and shear blade structure to improve clamping and shear force.
It achieves more efficient clamping and shearing forces, significantly improving the labor-saving effect during use, and has a simple structure and is easy to use.
Smart Images
Figure CN222244371U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tool pliers, in particular to a labor-saving wire pliers. Background Art
[0002] Wire cutters, also known as vise, flat-nose pliers, and comprehensive pliers, are a kind of tool that can cut hard thin steel wires. There are different types. It is commonly used in technology, industry, and life.
[0003] Traditional wire cutters consist of two pliers bodies hinged by a pin. In the above structure, the combination of the two pliers bodies forms a lever structure. When cutting wire rope, the length of the linkage handle determines the shearing force of the cutting tool. It has a certain labor-saving effect when cutting small specifications. However, if the jaws are required to provide a larger clamping force or shearing force during use, the expected clamping force or shearing force may not be achieved due to the limited driving force provided by the operator.
[0004] It is desired to provide a labor-saving wire cutter that can solve the above-mentioned technical problems. Utility Model Content
[0005] The utility model aims to provide a labor-saving wire cutter, which has the advantages of simple processing and assembly, high production efficiency, fast and sharp cutting and obvious labor-saving effect.
[0006] In order to achieve the purpose of the above utility model, a labor-saving wire pliers comprises a pliers body, a single pliers handle and a single pliers head;
[0007] The clamp head of the clamp body comprises a clamp head, a connecting part and a clamp handle from front to back;
[0008] The pliers head, the connecting part and the pliers handle are an integrally formed structure;
[0009] The front end of the inner wall of the pliers head is provided with a plurality of first serrated grooves;
[0010] The front side of the rear end of the inner wall of the pliers head is provided with a first shearing edge;
[0011] The front side of the connecting portion is provided with a first hinge shaft and a second hinge shaft in sequence from front to back;
[0012] The front end of the single-body pliers handle is hinged on the second hinge axis of the pliers body;
[0013] A limiting column is fixed on the front side of the single clamp handle;
[0014] The single clamp handle is adapted to the clamp handle of the clamp body;
[0015] The single clamp head is hinged on the first hinge shaft of the clamp body and is matched with the clamp head of the clamp body;
[0016] A plurality of second sawtooth grooves are provided at the front end of the inner wall of the single-body pliers head, and the plurality of second sawtooth grooves correspond to and match the plurality of first sawtooth grooves one by one;
[0017] A second shearing edge is provided on the front side of the rear end of the inner wall of the single clamp head, and the second shearing edge is adapted to the first shearing edge;
[0018] A limiting slide groove is provided on the rear side of the front face of the single-body clamp head, and the limiting slide groove runs through the upper and lower surfaces of the single-body clamp head;
[0019] The limiting column of the single clamp handle passes through the limiting sliding groove and can slide in a direction perpendicular to the axis of the limiting column.
[0020] Preferably, a semicircular groove is provided on the inner wall of the clamp head of the clamp body in front of the first serrated groove and a semicircular groove is provided on the inner wall of the clamp head of the single body in front of the second serrated groove, and the two semicircular grooves are matched with each other.
[0021] Preferably, the outer wall of the pliers head portion of the pliers body and the outer wall of the single pliers head are provided with corrugated file patterns.
[0022] Preferably, a limiting groove is provided on the rear back side of the inner wall of the pliers body and the rear back side of the inner wall of the single pliers head.
[0023] Preferably, the pliers handle of the pliers body and the single body pliers handle are both sleeved with rubber sleeves.
[0024] The labor-saving wire cutters of the utility model have the following advantages compared with the prior art:
[0025] (1) The above-mentioned labor-saving wire cutters are simple to process and assemble, have high production efficiency, are fast and sharp, and have obvious labor-saving effects;
[0026] (2) Simple structure and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 The structure of a labor-saving wire cutter of this embodiment is shown in FIG. Figure 1 ;
[0028] Figure 2 is a schematic structural diagram of the clamp body in this embodiment;
[0029] Figure 3 It is a schematic diagram of the structure of the connection between the clamp body and the single clamp handle in this embodiment;
[0030] Figure 4 The structure of a labor-saving wire cutter of this embodiment is shown in FIG. Figure 2 . DETAILED DESCRIPTION
[0031] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.
[0032] Example
[0033] like Figure 1 As shown, a labor-saving wire pliers comprises a pliers body 1, a single pliers handle 2 and a single pliers head 3.
[0034] like Figure 2 As shown, the pliers head of the pliers body 1 includes a pliers head 4, a connecting portion 5 and a pliers handle 6 from front to back; the pliers head 4, the connecting portion 5 and the pliers handle 6 are an integrally formed structure; a plurality of first serrated grooves 7 are provided at the front end of the inner wall of the pliers head 4; a first shearing blade 8 is provided at the front end of the inner wall rear end of the pliers head 4.
[0035] The front side of the connecting portion 5 is provided with a first hinge shaft 9 and a second hinge shaft 10 in sequence from the front to the back.
[0036] like Figure 3 As shown, the front end of the single-body clamp handle 2 is hinged on the second hinge shaft 10 of the clamp body 1; a limiting column 11 is fixed on the front side of the single-body clamp handle 2; the single-body clamp handle 2 is adapted to the clamp handle of the clamp body 1.
[0037] like Figure 1 As shown, the single-body pliers head 3 is hinged on the first hinge shaft 9 of the pliers body 1 and is adapted to the pliers head of the pliers body 1; a plurality of second serrated grooves 12 are provided at the front end of the inner wall of the single-body pliers head 3, and the plurality of second serrated grooves 12 correspond one-to-one with the plurality of first serrated grooves 7 and are adapted to each other; a second shearing blade 13 is provided at the front end of the inner wall rear end of the single-body pliers head 3, and the second shearing blade 13 is adapted to the first shearing blade 8.
[0038] A limiting slide groove 14 is provided on the front rear side of the single-body pliers head 3, and the limiting slide groove 14 passes through the upper and lower surfaces of the single-body pliers head 3; the limiting column 11 of the single-body pliers handle 2 passes through the limiting slide groove 14 and can slide in a direction perpendicular to the axis of the limiting column 11.
[0039] When the above-mentioned labor-saving wire pliers are in use, the pliers body 1 and the single pliers head 3 are hinged through the first hinge shaft 9, which is equivalent to a lever. With the second hinge shaft 10 of the pliers body 1 as the fulcrum, the limiting slide groove 14 on the single pliers head 3 presses the limiting column 11 on the single pliers handle 2 and transfers the force to the single pliers handle 2, which is equivalent to another lever. The lever ratio is increased by this two-stage composite lever, thereby achieving a labor-saving effect.
[0040] In this embodiment, if Figure 1As shown, the inner wall of the pliers head of the pliers body 1 is located in front of the first serrated groove 7, and the inner wall of the single pliers head 3 is located in front of the second serrated groove 12, respectively, and a semicircular groove 15 is provided, and the two semicircular grooves 15 are adapted to each other; with this arrangement, when a steel nail needs to be hammered into an object, it can be clamped by the two semicircular grooves 15 on the above-mentioned wire cutters, so as to limit it.
[0041] In this embodiment, if Figure 1 As shown, the outer wall of the pliers head of the pliers body 1 and the outer wall of the single pliers head 3 are provided with corrugated file marks 16 for removing burrs on the surface of metal parts, thereby effectively improving the function of the tool pliers.
[0042] In this embodiment, if Figure 4 As shown, a limiting groove 17 is provided on the rear back side of the inner wall of the clamp body 1 and the rear back side of the inner wall of the single clamp head 3; in this way, when cutting the cable, the two limiting grooves 17 form a limiting hole to limit the cable for subsequent cutting.
[0043] In this embodiment, the pliers handle of the pliers body 1 and the single pliers handle 2 are both sleeved with rubber sleeves (not shown in the figure) to facilitate the user's grip.
[0044] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A labor-saving wire cutter, characterized in that: It includes a pliers body, a single pliers handle and a single pliers head; The clamp head of the clamp body comprises a clamp head, a connecting part and a clamp handle from front to back; The pliers head, the connecting part and the pliers handle are an integrally formed structure; The front end of the inner wall of the pliers head is provided with a plurality of first serrated grooves; The front side of the rear end of the inner wall of the pliers head is provided with a first shearing edge; The front side of the connecting portion is provided with a first hinge shaft and a second hinge shaft in sequence from front to back; The front end of the single-body pliers handle is hinged on the second hinge axis of the pliers body; A limiting column is fixed on the front side of the single clamp handle; The single clamp handle is adapted to the clamp handle of the clamp body; The single clamp head is hinged on the first hinge shaft of the clamp body and is matched with the clamp head of the clamp body; A plurality of second sawtooth grooves are provided at the front end of the inner wall of the single-body pliers head, and the plurality of second sawtooth grooves correspond to and match the plurality of first sawtooth grooves one by one; A second shearing edge is provided on the front side of the rear end of the inner wall of the single clamp head, and the second shearing edge is adapted to the first shearing edge; A limiting slide groove is provided on the rear side of the front face of the single-body clamp head, and the limiting slide groove runs through the upper and lower surfaces of the single-body clamp head; The limiting column of the single clamp handle passes through the limiting sliding groove and can slide in a direction perpendicular to the axis of the limiting column.
2. The labor-saving wire cutter according to claim 1, characterized in that: The inner wall of the clamp head of the clamp body is located in front of the first serrated groove, and the inner wall of the clamp head of the single body is located in front of the second serrated groove. Semicircular grooves are respectively provided, and the two semicircular grooves are adapted to each other.
3. The labor-saving wire cutter according to claim 1, characterized in that: The outer wall of the clamp head portion of the clamp body and the outer wall of the single clamp head are provided with corrugated file patterns.
4. The labor-saving wire cutters according to claim 1, characterized in that: The rear back side of the inner wall of the clamp body and the rear back side of the inner wall of the single clamp head are provided with limiting grooves.
5. The labor-saving wire cutter according to any one of claims 1 to 4, characterized in that: The clamp handle of the clamp body and the single clamp handle are both sleeved with rubber sleeves.