Waterproof bolt

Abstract

The utility model relates to the technical field of bolts, in particular to a waterproof bolt. The waterproof bolt comprises a screw rod, and threads are turned on the outer side of the screw rod; the gasket sleeves the outer side of the screw rod; the bolt head is arranged on one side of the screw rod, and the screw rod and the bolt head are integrally formed; the gasket is arranged on the bolt head, the moisture-proof assembly is arranged between the bolt head and the gasket, the moisture-proof assembly comprises a positioning edge which is annularly arranged on the bolt head, and a sealing ring is pressed against the outer side of the positioning edge. The sealing device is simple in structure and excellent in sealing performance.

Description

Technical Field

[0001] This utility model relates to the field of bolt technology, specifically to a waterproof bolt. Background Technology

[0002] Bolts are mechanical parts, cylindrical threaded fasteners that are used with nuts.

[0003] Traditional bolts are prone to thread corrosion or loosening due to water seepage in humid environments. Existing waterproofing solutions often use external coatings or complex sealing structures, which are costly and cumbersome to install. The inventor has proposed an improvement. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of the aforementioned background technology by providing a bolt with a reasonable structure and excellent moisture-proof performance.

[0005] To achieve the above objectives, this utility model provides a waterproof bolt, which adopts the following technical solution:

[0006] A waterproof bolt, comprising:

[0007] The screw has threads machined on its outer side;

[0008] A washer fitted onto the outside of the screw;

[0009] A bolt head is provided on one side of the screw, wherein the screw and the bolt head are integrally formed; and

[0010] A moisture-proof component is installed between the bolt head and the gasket. This component includes a locating edge annularly mounted on the bolt head, with a sealing ring pressed against the outer side of the locating edge. The sealing ring is fitted onto the outer side of the locating edge of the bolt head; the gasket is pushed along the bolt until it contacts the sealing ring; when the nut is tightened, the gasket compresses the sealing ring to form a radial seal.

[0011] A further improvement of this utility model of a waterproof bolt is that the cross-section of the positioning edge is trapezoidal or rectangular.

[0012] A further improvement of this waterproof bolt is that an angle is formed between the positioning edge and the bolt head. The angle between the positioning edge and the bolt head is 15°~30° (preferably 20°). This angle design can change the force direction of the sealing ring and optimize the sealing durability.

[0013] A further improvement of this waterproof bolt is that the sealing ring is made of rubber or silicone.

[0014] A further improvement of this utility model of a waterproof bolt is that the height of the positioning edge is 1 / 3 to 1 / 2 of the thickness of the sealing ring when it is not compressed.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] The sealing ring is fitted onto the outside of the positioning edge of the bolt head; the gasket is pushed along the screw until it contacts the sealing ring; when the nut is tightened, the gasket compresses the sealing ring to form a radial seal. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] In the diagram: screw 1, thread 11, bolt head 2, positioning edge 3. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figure 1 As shown, a waterproof bolt includes:

[0021] Screw 1, with threads 11 machined on its outer side;

[0022] A washer fitted onto the outside of the screw;

[0023] A bolt head 2 is provided on one side of the screw, wherein the screw and the bolt head are integrally formed; and

[0024] A moisture-proof component is installed between the bolt head and the gasket. This component includes a locating edge 3 ring-mounted on the bolt head, with a sealing ring pressed against the outer side of the locating edge. The sealing ring is fitted onto the outer side of the locating edge of the bolt head; the gasket is pushed along the bolt until it contacts the sealing ring; when the nut is tightened, the gasket compresses the sealing ring to form a radial seal.

[0025] Specifically, the cross-section of the positioning edge is trapezoidal or rectangular.

[0026] Specifically, an angle is formed between the positioning edge and the bolt head. The angle between the positioning edge and the bolt head is 15°~30° (preferably 20°). This angle design can change the direction of force on the sealing ring and optimize the sealing durability.

[0027] Specifically, the sealing ring is made of rubber or silicone.

[0028] Specifically, the height of the positioning edge is 1 / 3 to 1 / 2 of the thickness of the sealing ring when it is not compressed.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A waterproof bolt, characterized in that, include: A screw with threads machined on its outer side; a washer fitted onto the outer side of the screw; A bolt head is disposed on one side of the screw, wherein the screw and the bolt head are integrally formed; and a moisture-proof component is disposed between the bolt head and the gasket, wherein the moisture-proof component includes a positioning edge ring disposed on the bolt head, and a sealing ring is pressed against the outer side of the positioning edge.

2. A waterproof bolt according to claim 1, wherein: The cross-section of the positioning edge is trapezoidal or rectangular.

3. A waterproof bolt according to claim 1, wherein: An angle is formed between the positioning edge and the bolt head.

4. The waterproof bolt according to claim 1, wherein: The sealing ring is made of rubber or silicone.

5. A waterproof bolt according to claim 1, characterized in that: The height of the positioning edge is 1 / 3 to 1 / 2 of the thickness of the sealing ring when it is not compressed.

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