Double-layer outer hexagonal anti-slip bolt

Abstract

The utility model relates to the technical field of bolts, in particular to a double-layer outer hexagonal anti-slip bolt which is not easy to slip and has better anti-slip performance. Comprising a bolt body, a bolt head and a tool, the bolt head is coaxially and fixedly connected to one end of the bolt body, the bolt head comprises an outer hexagon and an inner quincunx groove, the outer hexagon and the inner quincunx groove are coaxially arranged and distributed inside and outside the bolt head, the inner quincunx groove is located inside the outer hexagon, and the tool is matched with the bolt head.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to a double-layer external hexagonal anti-slip bolt. Background Art

[0002] The hexagonal bolt is a very common fastening component at present. During use, it is mainly to use an external tool to cover the hexagonal bolt on the bolt head, and then drive the bolt head to rotate by the way that the external tool and the hexagonal bolt fit each other, and then drive the overall hexagonal bolt to be screwed into the external connector, so as to achieve the effect of tightening the hexagonal bolt. A bolt proposed by prior art publication number CN202659690U includes a screw head and a screw rod, and a buffer ring is provided on the end surface where the screw head is connected to the screw rod. The screw head, the screw rod, and the buffer ring are an integrated structure, and a buffer groove is provided at the connection between the buffer ring and the screw rod. The buffer groove is arc-shaped, and a cross-shaped operating part is provided on the free end surface of the screw head. However, the existing hexagonal bolts are prone to slipping during the twisting process, especially when the tool size is not particularly suitable, and when the surface is rusted due to environmental factors, the slipping phenomenon is more obvious. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a double-layer outer hexagonal anti-skid bolt which is not prone to slipping and has better anti-skid performance.

[0004] The utility model discloses a double-layer external hexagonal anti-skid bolt, comprising a bolt body, a bolt head and a tool, wherein the bolt head is coaxially fixedly connected to one end of the bolt body, the bolt head comprising an external hexagon and an internal hexagonal groove, the external hexagon and the internal hexagonal groove are coaxially arranged and distributed inside and outside the bolt head, the internal hexagonal groove is located inside the external hexagonal groove, and the tool is adapted to the bolt head; when in use, the bolt body is aligned with the mounting threaded hole on the connected component, and then the tool is inserted into the external hexagonal groove, and the external hexagon and the internal hexagonal groove are synchronously driven to rotate by rotating the tool, so as to achieve a better effect of driving the bolt head and the bolt body to rotate, further increasing the anti-skid performance of the bolt, and at the same time, different tools can be used for operation.

[0005] Preferably, the tool includes an inner hexagon and a plum blossom column, the inner hexagon is matched with the outer hexagon, and the plum blossom column is matched with the inner plum blossom slot; when in use, align the tool with the bolt head, insert the outer hexagon into the inner hexagon, and at the same time insert the plum blossom column into the inner plum blossom slot, and the rotating tool synchronously drives the outer hexagon and the inner plum blossom slot to rotate, thereby achieving a better effect of driving the bolt body and the bolt head to rotate, having better anti-slip performance, and being able to be operated using different tools.

[0006] Preferably, friction particles are embedded in the inner hexagram groove, and a hexagram annular groove structure is formed between the hexagram column and the tool; by providing the friction particles, the firmness of the connection between the hexagram column and the inner hexagram groove is increased after the hexagram column is inserted into the inner hexagram groove, thereby avoiding deformation of the external tool during the assembly process, and also achieving a synchronous driving effect.

[0007] Preferably, an insertion head 331 is fixedly connected to the left side wall of the tool, an insertion slot 321 is provided in the middle of the right side wall of the bolt head, a plurality of friction particles are provided on the outer side wall of the insertion head 331, and a plurality of friction particles are also provided on the slot wall of the insertion slot 321, wherein the positions of the friction particles on the insertion head 331 and the positions of the friction particles on the insertion slot 321 are staggered with each other; when in use, the tool is aligned with the bolt head so that the insertion head 331 is inserted into the insertion slot 321. The provision of the friction particles can effectively increase the firmness of the connection between the insertion head 331 and the insertion slot 321 after the insertion head 331 is inserted into the insertion slot 321, thereby avoiding the problem that the insertion head 331 is pulled out of the insertion slot 321 by the external tool when the external tool is pulled out to adjust the angle during assembly.

[0008] Compared with the prior art, the beneficial effects of the utility model are as follows: when in use, the bolt body is aligned with the mounting threaded hole on the connected part, and then inserted into the external hexagon socket through a tool, and the external hexagon socket and the internal hexagon socket are synchronously driven to rotate by rotating the tool, thereby achieving a better effect of driving the bolt head and the bolt body to rotate, further increasing the anti-slip performance of the bolt, and at the same time, different tools can be used for operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model;

[0010] Figure 2 It is a structural schematic diagram of the bolt body of the utility model;

[0011] Figure 3 It is a structural schematic diagram of the utility model tool;

[0012] Figure 4 It is a structural schematic diagram of Embodiment 2 of the present utility model;

[0013] Markings in the accompanying drawings: 1, bolt body; 2, bolt head; 3 / 1, external hexagon; 3 / 2, internal hexagon socket; 4, tool; 4 / 1, internal hexagon; 4 / 2, hexagon column; 321, insertion slot; 331, insertion head. DETAILED DESCRIPTION

[0014] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0015] Example 1

[0016] like Figures 1 to 3 As shown, the bolt head 2 is coaxially fixedly connected to one end of the bolt body 1, the bolt head 2 includes an outer hexagon 31 and an inner hexagon slot 32, the outer hexagon 31 and the inner hexagon slot 32 are coaxially arranged and distributed inside and outside the bolt head 2, the inner hexagon slot 32 is located inside the outer hexagon 31, the tool 4 is adapted to the bolt head 2, the tool 4 includes an inner hexagon 41 and a hexagon column 42, the inner hexagon 41 is adapted to the outer hexagon 31, the hexagon column 42 is adapted to the inner hexagon slot 32, the inner hexagon slot 32 is embedded with friction particles, and a hexagon annular through groove structure is formed between the inner hexagon slot 32 and the hexagon column 42 in the tool 4;

[0017] When in use, align the bolt body 1 with the mounting threaded hole on the connected part, then align the tool 4 with the bolt head 2, insert the outer hexagon 31 into the inner hexagon 41, and at the same time insert the plum blossom column 42 into the inner plum blossom groove 32, and the rotating tool 4 synchronously drives the outer hexagon 31 and the inner plum blossom groove 32 to rotate, so as to achieve a better effect of driving the bolt body 1 and the bolt head 2 to rotate, have better anti-slip performance, and can be operated with different tools. Through the setting of friction particles, the firmness of the connection between the plum blossom column 42 and the inner plum blossom groove 32 is increased after being inserted into the inner plum blossom groove 32, avoiding the deformation of external tools during the assembly process, and also achieving a synchronous driving effect.

[0018] Example 2

[0019] like Figure 4 As shown, the bolt head 2 is coaxially fixedly connected to one end of the bolt body 1, the tool 4 is adapted to the bolt head 2, an insertion groove 321 is provided in the middle of the right side wall of the bolt head 2, a plurality of friction particles are provided on the outer side wall of the insertion head 331, and a plurality of friction particles are also provided on the groove wall of the insertion groove 321, wherein the positions of the friction particles on the insertion head 331 and the positions of the friction particles on the insertion groove 321 are staggered with each other;

[0020] When in use, align the bolt body 1 with the mounting threaded hole on the connected part, and then align the tool 4 with the bolt head 2 to insert the insertion head 331 into the insertion groove 321. The setting of the friction particles can effectively increase the firmness of the connection between the insertion head 331 and the insertion groove 321, thereby avoiding the problem that the insertion head 331 is pulled out of the insertion groove 321 by the external tool when the external tool is pulled out to adjust the angle during the assembly process.

[0021] like Figures 1 to 4 As shown, the utility model is a double-layer external hexagonal anti-slip bolt. When working, the bolt body 1 is aligned with the mounting threaded hole on the connected part, and the tool 4 is aligned with the bolt head 2, so that the external hexagon 31 is inserted into the internal hexagon 41, and the plum blossom column 42 is inserted into the internal plum blossom groove 32. The rotating tool 4 synchronously drives the external hexagon 31 and the internal plum blossom groove 32 to rotate, so as to achieve a better effect of driving the bolt body 1 and the bolt head 2 to rotate, and has better anti-slip performance. Friction particles are embedded in the internal plum blossom groove 32, and a plum blossom annular groove structure is formed between the plum blossom column 42 in the tool 4. Through the setting of the friction particles, the firmness of the connection between the plum blossom column 42 and the internal plum blossom groove 32 is increased after being inserted into the internal plum blossom groove 32, thereby avoiding deformation of external tools during assembly.

[0022] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A double-layer hexagonal anti-slip bolt, characterized in that: The invention comprises a bolt body (1), a bolt head (2) and a tool (4), wherein the bolt head (2) is coaxially fixedly connected to one end of the bolt body (1), the bolt head (2) comprises an outer hexagon (31) and an inner hexagonal groove (32), the outer hexagon (31) and the inner hexagonal groove (32) are coaxially arranged and distributed inside and outside the bolt head (2), the inner hexagonal groove (32) is located inside the outer hexagon (31), and the tool (4) is adapted to the bolt head (2).

2. A double-layer external hexagonal anti-slip bolt as claimed in claim 1, characterized in that: The tool (4) comprises an inner hexagon (41) and a plum blossom column (42); the inner hexagon (41) is adapted to correspond with the outer hexagon (31); and the plum blossom column (42) is adapted to correspond with the inner plum blossom groove (32).

3. A double-layer external hexagonal anti-slip bolt as claimed in claim 2, characterized in that: The inner hexagonal groove (32) is embedded with friction particles, and forms a hexagonal annular through groove structure with the hexagonal column (42) in the tool (4).

4. A double-layer external hexagonal anti-slip bolt as claimed in claim 1, characterized in that: An insertion head (331) is fixedly connected to the left side wall of the tool (4), an insertion slot (321) is provided in the middle of the right side wall of the bolt head (2), a plurality of friction particles are provided on the outer side wall of the insertion head (331), and a plurality of friction particles are also provided on the slot wall of the insertion slot (321), wherein the positions of the friction particles on the insertion head (331) and the positions of the friction particles on the insertion slot (321) are staggered.

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