Pliers with a detachably connected pliers head

Abstract

Pliers with a detachably connected pliers head, characterized in that it comprises: a handle (1), the handle (1) being provided with a mounting cavity (101); at least one pliers head (2) detachably mounted on the mounting cavity (101); at least one limiting element (3), wherein the limiting element (3) comprises: a first connecting element (301), wherein the first connecting element (301) is provided on at least part of an outer wall with a first limiting portion (303) which cooperates with an inner wall of the mounting cavity (101), while the first connecting element (301) is provided on at least part of the inner wall with a second limiting portion (304) which cooperates with a side wall of the pliers head (2); a second plate body (302) which is bent and connected to a first plate body (3011), wherein the second plate body (302) is provided with a third limiting portion (305) for limiting the pliers head (2).

Description

Technical area

[0001] The present utility model relates to the technical field of tool accessories, in particular a pair of pliers with a detachably connected pliers head. State of the art

[0002] Pliers are hand tools used for clamping and securing workpieces, or for twisting, bending, and cutting metal wire. Depending on the object to be clamped or the function of the pliers head, the appropriate pliers can be selected, such as ordinary steel wire pliers, wire strippers, pipe wrenches, needle-nose pliers, flat-nose pliers, and so on. Workers need to carry a variety of pliers to meet different needs. However, because pliers are made of metal alloy, they are heavy, take up a lot of space, and are inconvenient to carry, so pliers with a detachable pliers head are very important. Disclosure of the application

[0003] In order to solve at least one of the above technical problems, the present utility model provides a pair of pliers with a detachably connected pliers head. a handle provided with a mounting cavity; at least one pliers head detachably mounted to the mounting cavity; at least one boundary element, wherein the boundary element comprises: a first connecting element, wherein the first connecting element is provided on at least part of an outer wall with a first limiting portion which cooperates with an inner wall of the mounting cavity, while the first connecting element is provided on at least part of the inner wall with a second limiting portion which cooperates with a side wall of the pliers head; a second plate body which is bent and connected to a first plate body, wherein at least a part of the second plate body is provided with a third limiting portion for limiting the pliers head.

[0004] Preferably, the handle is provided with at least one mounting hole, wherein the first plate body is provided with a connecting hole;

[0005] Preferably, a mounting member is passed through the mounting hole and the connecting hole to connect the handle to the pliers head, wherein the first limiting portion is formed on the outer wall of the first plate body, while the second limiting portion is formed on the inner wall of the mounting member.

[0006] Through the above technical solution, the pliers head can be a steel wire pliers, a wire stripper, a pipe wrench, a needle-nose pliers, a flat-nose pliers, a scissor head, a tin snips, a fruit tree scissors, a chicken bone scissors, a cable scissors, a slant-jaw pliers, a crimping pliers, etc., which can be detachably connected to the handle and reduce the weight when carrying.

[0007] Preferably, the mounting element is a rivet, by means of which the limiting element is firmly riveted to the handle.

[0008] Preferably, the inner wall of the rivet rests against the side wall of the pliers head.

[0009] Preferably, the first plate body is shaped as a curved surface adapted to the inner wall of the mounting cavity to improve the stability of the connection.

[0010] Preferably, the second plate body is arranged in a straight line perpendicular to a pliers arm of the pliers head.

[0011] Preferably, the limiting elements are arranged in a number of two and symmetrically on both sides of the inner wall of the mounting cavity.

[0012] Preferably, the pliers head comprises a first pliers arm and a second pliers arm, wherein the first pliers arm and the second pliers arm are connected to each other by a second rotary shaft, wherein undersides of the first pliers arm and the second pliers arm are arranged within the mounting cavity, wherein an elastic element is arranged between the first pliers arm and the second pliers arm, wherein the elastic element presses the first pliers arm and the second pliers arm against the second limiting section.

[0013] Preferably, the side wall on an opposite side of the first tong arm and / or the second tong arm is provided with a projection column and / or a recess, and two ends of the elastic element are arranged in the projection column or the recess.

[0014] Preferably, the elastic element is a spring.

[0015] Two side walls for mounting the limiting element can be in contact with a portion of the side wall of the pliers head. Since the present utility model can be made of alloy material, it can generate magnetism after repeated friction, increasing the assembly stability of the connection and achieving a stable limit. The second limiting section can also generate a certain degree of magnetism after repeated friction, thereby increasing the assembly stability of the connection.

[0016] Preferably, the handle comprises a first shaft body and a second shaft body, wherein the first shaft body and the second shaft body are connected to each other by a first rotary shaft.

[0017] Preferably, the limiting element further comprises a third plate body arranged at an angle to the first plate body, wherein the second shaft body is provided with at least one first limiting groove cooperating with the third plate body to limit the opening angle of the first shaft body relative to the second shaft body;

[0018] Preferably, the second shaft body is provided with a second limiting groove, wherein the first shaft body is provided with a hump on the inner wall, wherein the hump moves within the second limiting groove to limit the opening angle of the first shaft body relative to the second shaft body.

[0019] Compared with the prior art, the present utility model has the following advantages: the present utility model has a simple structure, and by inserting an elastic element into the pliers head area, it is able to press the pliers arm of the pliers head against the mounting cavity, enabling quick disassembly of the pliers head for easy replacement. It is also convenient to use and easy to transport. The handle of the pliers can be used in conjunction with a variety of different functional pliers heads, effectively reducing costs and requiring less space. Drawings of the disclosure Fig. 1 shows a side view of the present utility model; Fig. Figure 2 shows a three-dimensional representation of a section of the present utility model; Fig. Figure 3 shows a three-dimensional representation of the present utility model; Fig. 4 shows a first side view of the section of the present utility model in a use state; Fig. 5 shows a second side view of the section of the present utility model in a use state; Fig. 6 is a schematic cross-sectional view of another pliers head structure of the present utility model; Fig. 7 shows a schematic sectional view of the handle part; Fig. 8 shows a three-dimensional representation of the boundary element; Fig. 8 shows a three-dimensional representation of a rivet structure; Fig. 10 shows a first enlarged schematic representation of the cross section of a second limiting groove; Fig. 11 shows a second schematic sectional view of the rivet structure; Fig. 12 shows a schematic representation of a cross section of a bump according to other embodiments. List of reference symbols:

[0020] 1 handle; 101 mounting cavity; 102 mounting hole; 103 first shaft body; 104 second shaft body; 1041 first limiting groove; 1042 second limiting groove; 105 anti-slip sleeve; 106 first rotating shaft; 201 first clamp arm; 202 second clamp arm; 203 elastic element; 204 projection column; 205 recess; 206 second rotary shaft; 3 limiting element; 301 first connecting element; 3011 first plate body; 3012 mounting element; 302 second plate body; 303 first limiting section; 304 second limiting section; 305 third limiting section; 306 third plate body; 307 rivet structure. Concrete embodiments

[0021] To enable the skilled person to better understand the present utility model and thus more clearly define the scope of protection claimed by the present utility model, a detailed description of the present utility model follows with regard to certain concrete embodiments of the present utility model. It should be noted that the following embodiments are only certain concrete embodiments of the idea of ​​the present utility model, representing only a portion of the embodiments of the present utility model. The concrete and direct description of the respective structure serves only to better understand the present utility model, and the specific features do not ipso facto and directly limit the scope of implementation of the present utility model.

[0022] With reference to the attached drawings, the present utility model adopts the following technical solution: The present utility model provides a pair of pliers with a detachably connected pliers head, comprising: a handle 1, wherein the handle 1 is provided with a mounting cavity 101; at least one pliers head 2 detachably mounted to the mounting cavity 101; at least one limiting element 3, wherein the limiting element 3 comprises a first connecting element, a first plate body and a second plate body.

[0023] The first connecting element 301 is provided on at least part of an outer wall with a first limiting portion 303 which cooperates with an inner wall of the mounting cavity 101, while the first connecting element 301 is provided on at least part of the inner wall with a second limiting portion 304 which cooperates with a side wall of the pliers head 2; a second plate body 302 is bent and connected to a first plate body 3011, wherein the second plate body 302 is provided with a third limiting portion 305 for limiting the pliers head 2.

[0024] The handle 1 is provided with at least one mounting hole 102, wherein the first plate body 3011 is provided with a connecting hole 30111;

[0025] A mounting member 3012 is passed through the mounting hole 102 and the connecting hole 30111 to connect the handle 1 to the pliers head 3, wherein the first limiting portion 303 is formed on the outer wall of the first plate body 3011, while the second limiting portion 304 is formed on the inner wall of the mounting member 3012.

[0026] Through the above technical solution, the pliers head can be a steel wire pliers, a wire stripper, a pipe wrench, a needle-nose pliers, a flat-nose pliers, a scissor head, a tin snips, a fruit tree scissors, a chicken bone scissors, a cable scissors, a slant-jaw pliers, a crimping pliers, etc., which can be detachably connected to the handle and reduce the weight when carrying.

[0027] Preferably, the mounting element 3012 is a rivet, by means of which rivet the limiting element 3 is firmly riveted to the handle 1.

[0028] The inner wall of the rivet rests against the side wall of the pliers head 2. The first plate body 3011 is shaped as a curved surface that fits the inner wall of the mounting cavity 101 to improve the stability of the connection.

[0029] The second plate body 302 is arranged perpendicular to a clamp arm of the clamp head 2. The limiting elements 3 are arranged in two numbers and symmetrically on both sides of the inner wall of the mounting cavity 101.

[0030] The pliers head 2 comprises a first pliers arm 201 and a second pliers arm 202, wherein the first pliers arm 201 and the second pliers arm 202 are connected to each other by a second rotary shaft 206, wherein undersides of the first pliers arm 201 and the second pliers arm 202 are arranged within the mounting cavity 101, wherein an elastic element 203 is arranged between the first pliers arm 201 and the second pliers arm 202, wherein the elastic element 203 presses the first pliers arm 201 and the second pliers arm 202 against the second limiting section 304.

[0031] The side wall is provided with a projection column 204 and a recess 205 on an opposite side of the first clamp arm 201 and the second clamp arm 202, and two ends of the elastic member 203 are arranged in the projection column 204 or the recess 205.

[0032] The elastic element 203 is a spring.

[0033] Two side walls of the limiting element 3 can abut against a portion of the side wall of the pliers head 2. Since the present utility model can be made of alloy material, it can generate magnetism after repeated friction, which increases the assembly stability during the connection and realizes a stable limit. The second limiting portion 304 can generate a certain degree of magnetism even after repeated friction, thereby increasing the assembly stability during the connection.

[0034] The handle 1 comprises a first shaft body 103 and a second shaft body 104, wherein the first shaft body 103 and the second shaft body 104 are connected to each other by a first rotary shaft 106.

[0035] An anti-slip sleeve 105 is placed outside the first shaft body 103 and the second shaft body 104.

[0036] The limiting element 3 further comprises a third plate body 306 arranged at an angle to the first plate body 3011, wherein the second shaft body 104 is provided with a first limiting groove 1041 which cooperates with the third plate body 306 in order to limit the opening angle of the first shaft body 103 relative to the second shaft body 104;

[0037] In another embodiment, the second shaft body 104 may be provided with a second limiting groove 1042, wherein the first shaft body 103 is provided with a hump on the inner wall, wherein the hump moves within the second limiting groove 1042 to limit the opening angle of the first shaft body 103 relative to the second shaft body 104.

[0038] In this embodiment, a rivet structure 307 may be mounted to form the first shaft body, with the rivet structure 307 forming a protrusion on an inner side. In other embodiments, the protrusion may be formed as a one-piece stamping on the first shaft body, as shown in Fig. 12 shown.

[0039] When the present utility model is put into use, one end portion of the pliers head 2 can be compressed to compress the spring at the other end, and then the pliers arm can be released by inserting the pliers arm into the mounting cavity 101, with the spring holding the pliers arm against the second limiting portion 304. In use, after the first shaft body 103 and the second shaft body 104 are contracted, the second limiting portion 304 presses against the pliers arm to cause the spring to contract, thereby realizing the function of the pliers in use.

[0040] Compared with the prior art, the present utility model has the following advantages: the present utility model has a simple structure, and by inserting an elastic element 203 into the area of ​​the pliers head 2, it is able to press the pliers arm of the pliers head 2 against the mounting cavity 101, enabling quick disassembly of the pliers head 2 for easy replacement. It is also convenient to use and easy to transport. The handle of the pliers can be used in conjunction with a variety of different functional pliers heads 2, effectively reducing costs and requiring less space.

Claims

[1] Pliers with a detachably connected pliers head, characterized by that it includes: a handle (1), the handle (1) being provided with a mounting cavity (101); at least one pliers head (2) detachably mounted on the mounting cavity (101); at least one limiting element (3), wherein the limiting element (3) comprises: a first connecting element (301), wherein the first connecting element (301) is provided on at least part of an outer wall with a first limiting portion (303) which cooperates with an inner wall of the mounting cavity (101), while the first connecting element (301) is provided on at least part of the inner wall with a second limiting portion (304) which cooperates with a side wall of the pliers head (2); a second plate body (302) which is bent and connected to a first plate body (3011), wherein the second plate body (302) is provided with a third limiting portion (305) for limiting the pliers head (2). [2] Pliers with a detachably connected pliers head according to claim 1, characterized by in that the handle (1) is provided with at least one mounting hole (102), wherein the first plate body (3011) is provided with a connecting hole (30111); wherein a mounting element (3012) is passed through the mounting hole (102) and the connecting hole (30111) in order to connect the handle (1) to the pliers head (2), wherein the first limiting section (303) is formed on the outer wall of the first plate body (3011), while the second limiting section (304) is formed on the inner wall of the mounting element (3012). [3] Pliers with a detachably connected pliers head according to claim 2, characterized bythat the mounting element (3012) is a rivet. [4] Pliers with a detachably connected pliers head according to claim 3, characterized by that the inner wall of the rivet rests against the side wall of the pliers head (2). [5] Pliers with a detachably connected pliers head according to claim 3, characterized by that the first plate body (3011) is shaped as a curved surface adapted to the inner wall of the mounting cavity (101). [6] Pliers with a detachably connected pliers head according to claim 3, characterized by that the second plate body (302) is arranged in a straight line perpendicular to a pliers arm of the pliers head (2); and / or that the limiting elements (3) are arranged in a number of two and symmetrically on both sides of the inner wall of the mounting cavity (101). [7] Pliers with a detachably connected pliers head according to claim 1, characterized byin that the pliers head (2) comprises a first pliers arm (201) and a second pliers arm (202), wherein the first pliers arm (201) and the second pliers arm (202) are connected to one another by a second rotary shaft (206), wherein undersides of the first pliers arm (201) and the second pliers arm (202) are arranged within the mounting cavity (101), wherein an elastic element (203) is arranged between the first pliers arm (201) and the second pliers arm (202), wherein the elastic element (203) presses the first pliers arm (201) and the second pliers arm (202) against the second limiting section (304). [8] Pliers with a detachably connected pliers head according to claim 7, characterized bythat the side wall on an opposite side of the first tong arm (201) or the second tong arm (202) is provided with a projection column (204) or a recess (205), and that two ends of the elastic element (203) are arranged in the projection column (204) or the recess (205); wherein the elastic element (203) is a spring. [9] Pliers with a detachably connected pliers head according to claim 1, characterized by that the handle (1) comprises a first shaft body (103) and a second shaft body (104), wherein the first shaft body (103) and the second shaft body (104) are connected to one another by a first rotary shaft (106). [10] Pliers with a detachably connected pliers head according to claim 9, characterized byin that the limiting element (3) further comprises a third plate body (306) arranged at an angle to the first plate body (3011), wherein the second shaft body (104) is provided with at least one first limiting groove (1041) which cooperates with the third plate body (306) in order to limit the opening angle of the first shaft body (103) relative to the second shaft body (104); or in that the second shaft body (104) is provided with a second limiting groove (1042), wherein the first shaft body (103) is provided with a hump (305) on the inner wall, wherein the hump (305) moves within the second limiting groove (1042) in order to limit the opening angle of the first shaft body (103) relative to the second shaft body (104).

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