Multifunctional tool chuck

Abstract

The utility model discloses a multifunctional tool chuck which comprises a fixing head, a fixing piece, a fixing pin and a spring, the fixing head is fixedly arranged, and a polygonal hole position for a multifunctional tool head to be inserted in is formed in the end face of the fixing head; the fixing piece is arranged around the fixing head, one end of the fixing piece is rotatably connected with the fixing head, and a mounting hole is formed in the fixing piece; a sliding groove is formed in a side plate of the fixing head, and the fixing pin penetrates through the sliding groove and the mounting hole; the spring is arranged at one end of the fixing piece and connected with the fixing piece. According to the utility model, the fixing pins are adopted to fix a plurality of multifunctional tool knives with different models, so that the cost for replacing tool heads is reduced, and the use efficiency is improved. According to the utility model, the fixing sheet and the fixing head are adopted, so that smaller size and more complex shape can be realized, and the use flexibility is higher.

Description

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 points: 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 clamps or screw clamps are used to quickly and reliably fix pen-shaped equipment and workpieces of various shapes; in terms of functions, 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 and portable, which is easy to use; in terms of pricing, multifunctional tool chucks are more practical because of their small and easy-to-carry characteristics, so the price is relatively low, which is suitable for daily production and property maintenance and other fields.

[0003] However, the following problems exist: due to limitations in materials and processing technology, smaller sizes and more complex shapes cannot be achieved, 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. Utility Model Content

[0004] In view of this, an object of the present invention is to provide a multifunctional tool chuck.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] Multifunctional tool chuck, comprising:

[0007] A fixed head, the fixed head is fixedly arranged, and a polygonal hole for inserting a multifunctional tool head is formed on the end surface of the fixed head;

[0008] A fixing plate, the fixing plate is arranged around the fixing head, one end of the fixing plate is rotatably connected to the fixing head, and a mounting hole is provided on the fixing plate;

[0009] 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;

[0010] A spring is arranged at one end of the fixing plate and connected to the fixing plate.

[0011] In the above-mentioned multifunctional tool chuck, two ends of the fixing pin protrude from the side surfaces of two ends of the fixing head.

[0012] In the above-mentioned multifunctional tool chuck, the fixing pin moves in the sliding groove, and the fixing pin fixes the relative position of the fixing head and the fixing plate.

[0013] In the above-mentioned multifunctional tool chuck, the sliding groove is connected to the polygonal hole, and the sliding groove controls the size of the polygonal hole.

[0014] The multifunctional tool chuck is connected to a handle, a fixing hole is formed on the handle, and a part of the multifunctional tool chuck extends into the fixing hole.

[0015] In the above-mentioned multifunctional tool chuck, the polygonal hole has a slope surface, and the slope angle of the slope surface is the same as that of the sliding groove.

[0016] In the above-mentioned multifunctional tool chuck, 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.

[0017] In the above-mentioned multifunctional tool chuck, a hole is formed on the handle, and a corresponding hole is also formed on one end of the fixing head. A screw passes through the hole and fixes the relative position of the handle and the fixing head.

[0018] In the above-mentioned multifunctional tool chuck, the mounting hole also has a slope, and the fixing pin moves along the length direction of the mounting hole.

[0019] The above-mentioned multifunctional tool chuck, 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 along the horizontal direction on one side of the fixing head, and the fixing plate is rotatably connected to the fixing head through the rotating shaft.

[0020] Due to the adoption of the above technology, the utility model has the following positive effects compared with the prior art:

[0021] (1) The utility model adopts a fixing pin to fix a plurality of multifunctional tool knives of different models, thereby reducing the cost of replacing the tool head and improving the use efficiency.

[0022] (2) The utility model adopts a fixing plate and a fixing head, which can achieve a smaller size and a more complex shape, and has a higher flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the axonometric measurement of the multifunctional tool chuck of the utility model.

[0024] Figure 2 It is a schematic diagram of a top view of the multifunctional tool chuck of the utility model.

[0025] Figure 3 It is a left side schematic diagram of a fixing head of a multifunctional tool chuck of the utility model.

[0026] Figure 4 It is a top view schematic diagram of the fixing head of the multifunctional tool chuck of the utility model.

[0027] In the accompanying drawings: 1, fixed head; 11, polygonal hole; 12, sliding groove; 13, shaft seat; 14, shaft; 2, fixed plate; 21, mounting hole; 22, hand-held part; 23, arm; 3, spring; 4, handle; 41, fixing hole; 42, hole. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention. Figure 1 It is a schematic diagram of the axonometric view of the multifunctional tool chuck of the utility model; Figure 2 It is a schematic diagram of a top view of the multifunctional tool chuck of the utility model; Figure 3 It is a left side schematic diagram of the fixing head of the multifunctional tool chuck of the utility model; Figure 4 is a top view of the fixing head of the multifunctional tool chuck of the utility model, see Figures 1 to 4 As shown, a multifunctional tool chuck of a preferred embodiment is shown, comprising: a fixed head 1, a fixed plate 2, a fixed pin and a spring 3, wherein the fixed head 1 is fixedly arranged, and a polygonal hole 11 for inserting a multifunctional tool head is provided on the end surface of the fixed head 1; the fixed plate 2 is arranged around the fixed head 1, one end of the fixed plate 2 is rotatably connected to the fixed head 1, and a mounting hole 21 is provided on the fixed plate 2; a sliding groove 12 is provided on the side plate of the fixed head 1, and the fixing pin passes through the sliding groove 12 and the mounting hole 21; the spring 3 is arranged at one end of the fixed plate 2 and is connected to the fixed plate 2.

[0029] Specifically, the fixing plate 2 is C-shaped, and a groove for accommodating the fixing head 1 is formed in the middle of the fixing plate 2 .

[0030] Specifically, a rotating shaft is arranged on one side of the fixing head 1 along the horizontal direction, and the fixing sheet 2 is rotatably connected to the fixing head 1 via the rotating shaft.

[0031] More specifically, the side surface of the fixing 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 to the rotating shaft seat 13 .

[0032] More specifically, the fixing plate 2 includes a hand-held portion 22 and two arms 23 extending outward from both ends of the hand-held portion 22, and the hand-held 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 to allow the fixing plate 2 to rotate around the axis of the rotating shaft 14.

[0033] For more details, see Figure 1 As shown, the fixing plate 2 can be rotated to the left to separate the outer ring from the fixing head 1, and the fixing plate 2 can also be rotated to the right to make the fixing head 1 located in its groove.

[0034] In a preferred embodiment, two ends of the fixing pin protrude from the side surfaces of two ends of the fixing head 1 .

[0035] In a preferred embodiment, the fixing pin moves in the sliding groove 12 , and the fixing pin fixes the relative positions of the fixing head 1 and the fixing plate 2 .

[0036] In a preferred embodiment, the sliding groove 12 is connected to the polygonal hole 11 , and the sliding groove 12 controls the size of the polygonal hole 11 .

[0037] In a preferred embodiment, the polygonal hole 11 includes a first portion 11 a opened on the surface of the fixing head 1 , and a second portion 11 b opened along the axial direction of the fixing head 1 and connected to the first portion 11 a .

[0038] The sliding groove 12 is communicated with the second portion 11 b , and the sliding groove 12 is arranged obliquely relative to the second portion 11 b .

[0039] Specifically, when the fixing pin is close to 11a, the inner diameter of the polygonal hole 11 becomes smaller, thereby fixing a multifunctional tool head with a small diameter; when the fixing pin is away from 11a, the inner diameter of the polygonal hole 11 becomes larger, thereby fixing a multifunctional tool head with a large diameter.

[0040] In a preferred embodiment, the multifunctional tool chuck is connected to the handle 4 , a fixing hole 41 is formed on the handle 4 , and a part of the multifunctional tool chuck extends into the fixing hole 41 .

[0041] In a preferred embodiment, the polygonal hole 11 has a slope surface, and the slope surface has the same slope angle as that of the sliding groove 12 .

[0042] 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 fixing head 1 .

[0043] Preferably, the first portion 11 a of the polygonal hole 11 is T-shaped, and the position close to the sliding groove 12 is the top of the T-shape.

[0044] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation methods and protection scope of the present invention.

[0045] The utility model also has the following implementation methods based on the above:

[0046] In a further embodiment of the utility model, a hole 42a is formed on the handle 4, and a corresponding hole 42b is formed on one end of the fixing head 1. A screw passes through the hole 42a and the hole 42b and fixes the relative position of the handle 4 and the fixing head 1.

[0047] In a further embodiment of the utility model, the mounting hole 21 also has a slope, and the fixing pin moves along the length direction of the mounting hole 21. Specifically, the fixing pin and the spring 3 clamp the multifunctional tool head to work.

[0048] The above are only preferred embodiments of the present invention, and do not limit the implementation mode and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

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 formed on the end surface of the fixed head; A fixing plate, the fixing plate is arranged around the fixing head, one end of the fixing plate is rotatably connected to the fixing head, and a mounting hole is provided 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, characterized in that: 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, characterized in that: The fixing pin moves in the sliding groove, and the fixing pin fixes the relative position of the fixing head and the fixing sheet.

4. The multifunctional tool chuck according to claim 1, characterized in that: The sliding groove is communicated with the polygonal hole, and the sliding groove controls the size of the polygonal hole.

5. The multifunctional tool chuck according to claim 1, characterized in that: The multifunctional tool chuck is connected to a handle, a fixing hole is provided on the handle, and a part of the multifunctional tool chuck extends into the fixing hole.

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

7. The multifunctional tool chuck according to claim 1, characterized in that: 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, characterized in that: 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, characterized in that: 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, characterized in that: 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 on one side of the fixing head in a horizontal direction, and the fixing plate is rotatably connected to the fixing head via the rotating shaft.

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