Multifunctional tool chuck

Abstract

A multifunctional tool chuck, comprising: a fixed head (1), a fixing piece (2), a fixing pin, and a spring (3), wherein the fixed head (1) is fixedly provided, and a polygonal hole (11) for inserting a multifunctional tool head is formed on the end surface of the fixed head (1); the fixing piece (2) is arranged around the fixed head (1), one end of the fixing piece (2) is rotatably connected to the fixed head (1), and mounting holes (21) are formed on the fixing piece (2); a slide slot (12) is arranged on the side plate of the fixed head (1), and the fixing pin passes through the slide slot (12) and the mounting holes (21); and the spring (3) is arranged at one end of the fixing piece (2) and is connected to the fixing piece (2). Using the fixing pin to fix a plurality of multifunctional tools of different models can reduce the cost of tool head replacement and enhance the use efficiency. By using the fixing piece and the fixed head, smaller sizes and more complex shapes can be achieved, offering high flexibility in use.

Description

Multi-function tool chuck Technical Field

[0001] The utility model relates to the technical field of multifunctional tools, in particular to a multifunctional tool chuck. Background Art

[0002] At present, tool chucks are widely used. In terms of technology, multifunctional tool chucks mainly have the following features: in terms of materials, they are usually made of stainless steel or aluminum alloy to achieve the purpose of light weight and corrosion resistance; in terms of clamping mechanism, quick clamping clamps or screw-type clamping clamps are used to quickly and reliably fix pen-shaped equipment and workpieces of various shapes; in terms of function, according to different products, they are equipped with different functional components such as blades, pliers, hammers, etc. to meet the needs of various engineering operations; in terms of appearance design, various functional components are pressed together, and the appearance is small, portable, and easy to use; in terms of pricing, multifunctional tool chucks are more practical because of their small and easy-to-carry features, so the price is relatively low, and they are suitable for daily production and property maintenance and other fields.

[0003] However, there are the following problems: limitations on materials and processing technology make it impossible to achieve smaller sizes and more complex shapes, and flexibility of use is limited; the number and types of functional components are limited, making it difficult to cover the needs of all work scenarios; the structural design is difficult to adapt to the long-term stable fixation of workpieces of different sizes and shapes; it is not convenient to replace damaged functional components individually, and a more easily replaceable design is needed; the service life is greatly affected by the working environment and frequency, and the material and structural strength need to be improved; the pricing is relatively simple, and it is difficult to differentiate the pricing according to different functions and specifications to meet the needs of different customer groups.

[0004] Utility Model Content

[0005] In view of this, an object of the present invention is to provide a multifunctional tool chuck.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] Multifunctional tool chuck, comprising:

[0008] A fixed head, the fixed head is fixedly arranged, and a polygonal hole for inserting a multifunctional tool head is opened on the end surface of the fixed head;

[0009] a fixing plate, the fixing plate being arranged around the fixing head, one end of the fixing plate being rotatably connected to the fixing head, and a mounting hole being formed on the fixing plate;

[0010] A fixing pin, wherein a sliding groove is provided on the side plate of the fixing head, and the fixing pin passes through the sliding groove and the mounting hole;

[0011] A spring is arranged at one end of the fixed piece and connected with the fixed piece.

[0012] The multifunctional tool chuck, wherein the two ends of the fixed pin protrude from the side surfaces of the two ends of the fixed head.

[0013] The multifunctional tool chuck, wherein the fixed pin moves in the sliding groove, and the fixed pin fixes the relative positions of the fixed head and the fixed piece.

[0014] The multifunctional tool chuck, wherein the sliding groove is communicated with the polygonal hole, and the sliding groove controls the size of the polygonal hole.

[0015] The multifunctional tool chuck, wherein the multifunctional tool chuck is connected with a handle, the handle is provided with a fixing hole, and a part of the multifunctional tool chuck is inserted into the fixing hole.

[0016] The multifunctional tool chuck, wherein the polygonal hole is provided with a slope surface, and the slope surface has the same slope angle as the sliding groove.

[0017] The multifunctional tool chuck, wherein the polygonal hole is provided with a plurality of inner wall surfaces, and the inner wall surfaces are perpendicular to the end surface of the fixed head.

[0018] The multifunctional tool chuck, wherein the handle is provided with a hole, and one end of the fixed head is also provided with a corresponding hole, a screw is inserted through the holes, and the relative positions of the handle and the fixed head are fixed.

[0019] The multifunctional tool chuck, wherein the mounting hole also has a slope, and the fixed pin moves along the length direction of the mounting hole.

[0020] The multifunctional tool chuck, wherein the fixed piece is in a C shape, the middle part of the fixed piece is formed with a groove for accommodating the fixed head, one side of the fixed head is arranged with a rotating shaft in a horizontal direction, and the fixed piece is rotatably connected with the fixed head through the rotating shaft.

[0021] The utility model discloses a multifunctional tool chuck which has the following advantages compared with the prior art:

[0022] (1) the utility model discloses a fixed pin, fixes multiple different models of multifunctional tool knives, reduces the cost of replacing tool heads, and improves use efficiency.

[0023] (2) the utility model discloses a fixed piece and a fixed head, which can realize smaller size and more complex shape, and have higher use flexibility. DRAWINGS

[0024] Fig. 1 is a schematic view of the multifunctional tool chuck of the present application in an axial view.

[0025] Fig. 2 is a schematic view of the multifunctional tool chuck of the present application in a plan view.

[0026] Fig. 3 is a schematic view of the fixed head of the multifunctional tool chuck of the present application in a left view.

[0027] Fig. 4 is a schematic view of the fixed head of the multifunctional tool chuck of the present application in a plan view.

[0028] In the drawings: 1, fixed head; 11, polygonal hole site; 12, sliding groove; 13, rotating shaft seat; 14, rotating shaft; 2, fixed sheet; 21, mounting hole; 22, hand holding part; 23, arm; 3, spring; 4, handle; 41, fixed hole; 42, hole. DETAILED DESCRIPTION

[0029] The present application will be further described below in conjunction with the drawings and specific embodiments, but not as a limitation of the present application, Fig. 1 is a schematic view of the multifunctional tool chuck of the present application in an axial view; Fig. 2 is a schematic view of the multifunctional tool chuck of the present application in a plan view; Fig. 3 is a schematic view of the fixed head of the multifunctional tool chuck of the present application in a left view; Fig. 4 is a schematic view of the fixed head of the multifunctional tool chuck of the present application in a plan view, as shown in Figs. 1 to 4, the multifunctional tool chuck of the preferred embodiment comprises: a fixed head 1, a fixed sheet 2, a fixed pin and a spring 3, wherein the fixed head 1 is fixedly arranged, a polygonal hole site 11 for inserting a multifunctional tool head is formed on the end face of the fixed head 1; the fixed sheet 2 is arranged around the fixed head 1, one end of the fixed sheet 2 is rotatably connected with the fixed head 1, and a mounting hole 21 is formed on the fixed sheet 2; a sliding groove 12 is formed on the side plate of the fixed head 1, and the fixed pin penetrates through the sliding groove 12 and the mounting hole 21; the spring 3 is arranged at one end of the fixed sheet 2 and connected with the fixed sheet 2.

[0030] Specifically, the fixed sheet 2 is in a C shape, and a groove for accommodating the fixed head 1 is formed in the middle of the fixed sheet 2.

[0031] Specifically, the fixed head 1 has a rotating shaft arranged on one side thereof in a horizontal direction, and the fixed sheet 2 is rotatably connected with the fixed head 1 through the rotating shaft.

[0032] More specifically, the side surface of the fixed head 1 extends outward to form a rotating shaft seat 13, and a rotating shaft 14 is horizontally arranged on the rotating shaft seat 13, and the rotating shaft 14 is rotatably connected with the rotating shaft seat 13.

[0033] More specifically, the fixed piece 2 comprises a hand-holding portion 22 and two arms 23 extending outwardly from both ends of the hand-holding portion 22, and the hand-holding portion 22 and the two arms 23 form a C shape. The two arms 23 are fixedly connected to both ends of the rotating shaft 14, so as to allow the fixed piece 2 to rotate around the axis of the rotating shaft 14.

[0034] More specifically, referring to Fig. 1, the fixed piece 2 can rotate to the left to disengage the fixed head 1 from the outer ring, and the fixed piece 2 can also rotate to the right to allow the fixed head 1 to be located in the slot thereof.

[0035] In a preferred embodiment, the fixed pin protrudes from the side surface of both ends of the fixed head 1.

[0036] In a preferred embodiment, the fixed pin moves in the sliding slot 12, and the fixed pin fixes the relative position of the fixed head 1 and the fixed piece 2.

[0037] In a preferred embodiment, the sliding slot 12 is in communication with the polygonal hole 11, and the sliding slot 12 controls the size of the polygonal hole 11.

[0038] In a preferred embodiment, the polygonal hole 11 comprises a first portion 11a formed on the surface of the fixed head 1 and a second portion 11b formed in the axial direction of the fixed head 1 and in communication with the first portion 11a.

[0039] The sliding slot 12 is in communication with the second portion 11b, and the sliding slot 12 is arranged obliquely relative to the second portion 11b.

[0040] Specifically, when the fixed pin is close to 11a, the inner diameter of the polygonal hole 11 becomes smaller, so as to fix a small-diameter multifunctional tool head; when the fixed pin is away from 11a, the inner diameter of the polygonal hole 11 becomes larger, so as to fix a large-diameter multifunctional tool head.

[0041] In a preferred embodiment, the multifunctional tool chuck is connected to the handle 4, and the handle 4 is provided with a fixing hole 41, and a part of the multifunctional tool chuck extends into the fixing hole 41.

[0042] In a preferred embodiment, the polygonal hole 11 has a slope surface, and the slope surface has the same slope angle as the sliding slot 12.

[0043] In a preferred embodiment, the polygonal hole 11 has a plurality of inner wall surfaces, and the inner wall surfaces are perpendicular to the end surface of the fixed head 1.

[0044] Preferably, the first portion 11a of the polygonal hole 11 is in a T shape, and the position close to the sliding slot 12 is the top of the T shape.

[0045] The above are only preferred embodiments of the present application, and are not intended to limit the embodiments and the protection scope of the present application.

[0046] The present application has the following embodiments based on the above:

[0047] In a further embodiment of the present application, a hole 42a is formed in the handle 4, and a corresponding hole 42b is formed in one end of the fixing head 1, a screw passes through the hole 42a and the hole 42b to fix the relative positions of the handle 4 and the fixing head 1.

[0048] In a further embodiment of the present application, the mounting hole 21 also has a slope, and the fixing pin moves along the length direction of the mounting hole 21, and specifically, the fixing pin and the spring 3 are clamped to the multifunctional tool head to work.

[0049] The above are only preferred embodiments of the present application, and are not intended to limit the embodiments and the protection scope of the present application, and for those skilled in the art, it should be realized that any equivalent replacement and obvious changes made according to the content of the present application should be included in the protection scope of the present application.

Claims

1. Multifunctional tool chuck, characterized in that, include: A fixed head, the fixed head is fixedly arranged, and a polygonal hole for inserting a multifunctional tool head is opened on the end surface of the fixed head; a fixing plate, the fixing plate being arranged around the fixing head, one end of the fixing plate being rotatably connected to the fixing head, and a mounting hole being formed on the fixing plate; A fixing pin, wherein a sliding groove is provided on the side plate of the fixing head, and the fixing pin passes through the sliding groove and the mounting hole; A spring is arranged at one end of the fixing plate and connected to the fixing plate.

2. The multifunctional tool chuck according to claim 1, wherein: Both ends of the fixing pin protrude from side surfaces of both ends of the fixing head.

3. The multifunctional tool chuck according to claim 1, wherein: The fixing pin moves in the sliding groove, and the fixing pin fixes the relative positions of the fixing head and the fixing plate.

4. The multifunctional tool chuck according to claim 1, wherein: The sliding groove is connected to the polygonal hole, and the sliding groove controls the size of the polygonal hole.

5. The multifunctional tool chuck according to claim 1, wherein: The multifunctional tool chuck is connected to a handle. A fixing hole is provided on the handle. A portion of the multifunctional tool chuck extends into the fixing hole.

6. The multifunctional tool chuck according to claim 1, wherein: The polygonal hole has a slope surface, and the slope angle of the slope surface is the same as that of the sliding groove.

7. The multifunctional tool chuck according to claim 1, wherein: The polygonal hole has a plurality of inner wall surfaces, and the inner wall surfaces are perpendicular to the end surface of the fixing head.

8. The multifunctional tool chuck according to claim 5, wherein: The handle is provided with a hole, and one end of the fixing head is also provided with a corresponding hole. A screw passes through the hole and fixes the relative position of the handle and the fixing head.

9. The multifunctional tool chuck according to claim 1, wherein: The mounting hole also has a slope, and the fixing pin moves along the length direction of the mounting hole.

10. The multifunctional tool chuck according to claim 1, wherein: The fixing plate is C-shaped, a groove for accommodating the fixing head is formed in the middle of the fixing plate, a rotating shaft is arranged horizontally on one side of the fixing head, and the fixing plate is rotatably connected to the fixing head through the rotating shaft.

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