Anti-theft galvanized bolt

Abstract

The utility model relates to the technical field of bolts, and discloses an anti-theft galvanized bolt which comprises a nut, a pressing rod is arranged in the middle of the nut in a sliding mode, a clamping mechanism is arranged in the nut in a sliding mode, a screw rod is fixedly arranged at the lower end of the nut, and the clamping mechanism comprises two sliding connecting blocks. Semicircular protruding blocks are fixedly arranged in the middles of the two sides of the two sliding connecting blocks, the pressing rod comprises a round rod, a first spring is fixedly arranged at the lower end of the round rod, and triangular blocks are fixedly arranged at the positions, close to the upper ends, of the opposite sides of the two sliding connecting blocks. According to the utility model, the round rod is pressed downwards, then the triangular block is pushed towards two sides, the sliding connection block is driven to slide towards two sides on the sliding rail, and then the protruding sliding connection block and the semicircular convex block are clamped by a special tool, namely the product is driven to rotate; and the product is difficult to detach and steal without being held by a person who is not allowed to hold a special tool.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to an anti-theft galvanized bolt. Background Technique

[0002] A galvanized bolt is a bolt with a layer of zinc metal plated on its surface. This treatment can increase the corrosion resistance of the bolt and make it more suitable for use in humid or corrosive environments. Galvanized bolts are usually used in outdoor buildings, ships, bridges and other occasions that require corrosion resistance. Due to the occasions where it is needed, an anti-theft galvanized bolt is involved.

[0003] Existing anti-theft galvanized bolts usually consist of only a nut and a screw rod. Traditional anti-theft galvanized bolts usually have a cross-shaped opening at one end of the screw rod, and then an iron wedge is driven into it. Although the anti-theft function is achieved, the galvanized layer will also be damaged, reducing the service life. Therefore, the utility model provides an anti-theft galvanized bolt to solve the problems raised in the above background technique. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose an anti-theft galvanized bolt. Through the cooperation of a pressure rod and a clamping mechanism, it is difficult for unauthorized personnel to steal this product by conventional means, and the safety is higher.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An anti-theft galvanized bolt, including a nut, a pressure rod is slidably arranged in the middle of the nut, a clamping mechanism is slidably arranged inside the nut, a screw rod is fixedly arranged at the lower end of the nut, and a galvanized layer is arranged on the outer surface of the screw rod;

[0007] The clamping mechanism includes two sliding connection blocks, semi-circular convex blocks are fixedly arranged in the middle of both sides of the two sliding connection blocks, the pressure rod includes a round rod, a first spring is fixedly arranged at the lower end of the round rod, and triangular blocks are fixedly arranged at the upper ends of the opposite sides of the two sliding connection blocks;

[0008] Through the above technical solutions, through the pressure rod and the clamping mechanism in the nut, it can be opened with a special tool, the pressure rod is pressed down, and then through the triangular block, the two sliding connection blocks are pushed to both sides, so that it can be pushed out. It can be pushed open through the pressure rod, and then the nut is rotated with a special tool and disassembled. And through the first spring, it will retract when not in use after separation, which is better for hiding and protecting. The galvanized layer can prevent corrosion, improve the appearance quality, reduce friction, increase hardness, and make the service life of this product longer.

[0009] Furthermore, the nut comprises a semicircular block, a cavity is formed inside the semicircular block, and the pressure rod and the clamping mechanism are both slidably disposed inside the cavity;

[0010] Through the above technical solution, the pressure rod and the clamping mechanism can be slidably arranged inside the cavity of the semicircular block, and then it is convenient to open it and can be quickly removed during disassembly.

[0011] Furthermore, the clamping mechanism comprises a fixed block, a slide rail is fixedly arranged in the middle of the upper end of the fixed block, and a limit block is fixedly arranged in the middle of the upper end of the fixed block;

[0012] Through the above technical solution, the slide rail is supported by the fixed block, and then the slide rail can facilitate the sliding of the slide plate inside it, and the limit block prevents the sliding connection block from sliding out from the inside.

[0013] Furthermore, a slide plate is fixedly provided at the lower ends of the two sliding connection blocks, and a second spring is fixedly provided between the lower ends of the two sliding connection blocks;

[0014] Through the above technical solution, the slide plate of the sliding connection block allows the sliding connection block to slide inside the slide rail, and then the second spring is used to pull the two sliding connection blocks back to their original positions when not in use.

[0015] Further, a gasket is slidably provided on the screw rod body;

[0016] Through the above technical solution, the gasket increases the contact surface, disperses the pressure, and can also reduce the sliding speed of the bolt to a certain extent.

[0017] Furthermore, the outer surface of the screw is provided with a galvanized layer.

[0018] The utility model has the following beneficial effects:

[0019] 1. The utility model proposes an anti-theft galvanized bolt. When it needs to be opened, the special tool provided with the product is used to press the pressure rod downward, and then the triangular block is squeezed to both sides by the pressure rod, and then the sliding connection block is made to slide to both sides and get stuck in the special shape groove of the special tool. The special tool can be turned to rotate the product and take it down. In the absence of special tools, the product can be prevented from being illegally stolen by unauthorized persons. The use environment is very safe, and the galvanized layer on the outer surface will not be damaged, thereby increasing the service life.

[0020] 2. A theft-proof galvanized bolt proposed by the present utility model, through the cooperation of a pressure rod and a clamping mechanism, with the cooperation of the round rod of the pressure rod, the triangular block and the slide rail of the clamping mechanism. When the round rod squeezes the triangular block to both sides, the slide plate slides on the slide rail, and the slide plate is connected to the sliding connection block, so that the sliding connection block slides on the slide rail. Then, the clamping mechanism can be unfolded by pressing down the pressure rod. When it is not needed, it can be reset by the first spring and the second spring, which is convenient for the next use. Moreover, the galvanized layer can also increase the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic side view of the present utility model near the pressure rod axis;

[0022] Figure 2 It is a schematic side view of the present utility model near the screw rod axis;

[0023] Figure 3 It is a schematic side view of the clamping mechanism of the present utility model without installing the spring;

[0024] Figure 4 It is a schematic side view of the clamping mechanism of the present utility model not fully installed;

[0025] Figure 5 It is a partial front cross-sectional view of the present utility model.

[0026] LEGEND DESCRIPTION:

[0027] 1. Nut; 2. Pressure rod; 3. Clamping mechanism; 4. Galvanized layer; 5. Screw rod; 6. Gasket; 101. Semi-circular block; 102. Cavity; 201. Round rod; 202. First spring; 301. Fixed block; 302. Slide rail; 303. Limit block; 304. Slide plate; 305. Sliding connection block; 306. Triangular block; 307. Semi-circular convex block; 308. Second spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Refer to Figures 1-5, an embodiment provided by the present utility model: an anti-theft galvanized bolt, including a nut 1, a pressure rod 2 is slidably arranged in the middle of the nut 1, the clamping mechanism 3 is moved outward, the clamping mechanism 3 is slidably arranged inside the nut 1, and is clamped inside a special tool to complete the rotation of the product with this product. A screw rod 5 is fixedly arranged at the lower end of the nut 1 to complete the fixing function. A galvanized layer 4 is arranged on the outer surface of the screw rod 5. The galvanized layer 4 can prevent corrosion, improve the appearance quality, reduce friction, increase hardness, and make the service life of this product longer;

[0030] The clamping mechanism 3 includes two sliding connection blocks 305, which are clamped inside the special tool through the sliding connection blocks 305 and the semi-circular convex blocks 307. Semi-circular convex blocks 307 are fixedly arranged in the middle of both sides of the two sliding connection blocks 305. The semi-circular convex blocks 307 are more convenient to be clamped inside the special tool, so that unauthorized personnel cannot steal it. The pressure rod 2 includes a round rod 201. When the round rod 201 moves downward, it can squeeze the triangular blocks 306 to both sides. The triangular blocks 306 drive the sliding connection blocks 305 to slide on the slide rail 302, which is convenient to use a special tool for clamping. A first spring 202 is fixedly arranged at the lower end of the round rod 201 to reset the round rod 201 when it is not in use. Triangular blocks 306 are fixedly arranged at the upper ends of the opposite sides of the two sliding connection blocks 305. Through the pressure rod 2 and the clamping mechanism 3 inside the nut 1, a special tool can be used to open it, press down the round rod 201, and then through the triangular blocks 306, push the two sliding connection blocks 305 to both sides, so that it can be pushed out. It can be pushed open through the pressure rod 2, and then the nut 1 is rotated by a special tool and disassembled. And through the first spring 202, it will not protrude when not in use after separation, which is convenient for the next use, and to a certain extent, it avoids unauthorized personnel from damaging or stealing this product.

[0031] The nut 1 includes a semi-circular block 101, and a cavity 102 is formed inside the semi-circular block 101. The pressing rod 2 and the clamping mechanism 3 are both slidably arranged inside the cavity 102. Through the cavity 102 inside the nut 1, the pressing rod 2 and the clamping mechanism 3 can be slidably arranged inside, and then it is convenient to open it, and it can be quickly removed during disassembly. When the pressing rod 2 slides downward, it will squeeze the triangular blocks 306 to both sides. After being squeezed open, it will drive the sliding connection block 305 to slide on the slide rail 302, so that the semi-circular convex block 307 slides out of the interior of this product. The clamping mechanism 3 includes a fixed block 301. A slide rail 302 is fixedly arranged in the middle of the upper end of the fixed block 301, and a limit block 303 is fixedly arranged in the middle of the upper end of the fixed block 301. The slide rail 302 is supported by the fixed block 301, so that the slide rail 302 can support the slide plate 304 and the sliding connection block 305, and then slide inside the nut 1. Then the slide rail 302 can facilitate the sliding of the slide plate 304 inside it. The limit block 303 prevents the sliding connection block 305 from sliding out from the inside. Slide plates 304 are fixedly arranged at the lower ends of the two sliding connection blocks 305, and a second spring 308 is fixedly arranged between the lower ends of the two sliding connection blocks 305. The slide plate 304 of the sliding connection block 305 enables the sliding connection block 305 to slide inside the slide rail 302. Then through the second spring 308, when not in use, the two sliding connection blocks 305 are pulled back to their original positions. A gasket 6 is slidably arranged on the body of the screw rod 5. The gasket 6 increases the contact surface, disperses the pressure, and can also reduce the sliding speed of the bolt to a certain extent. It can also pad the nut 1 to facilitate the rotation of the nut 1.

[0032] Working principle: By a special tool, the round rod 201 is pressed downward, and then the round rod 201 squeezes the two triangular blocks 306 to one side. Then the slide plate 304 drives the sliding connection block 305 to slide on the slide rail 302, so that the sliding connection block 305 and the semi-circular convex block 307 are stuck inside the special tool. At this time, rotating the special tool can drive this product to rotate for installation or disassembly.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An anti-theft galvanized bolt, comprising a nut (1), characterized in that: A pressure rod (2) is slidably arranged in the middle of the nut (1), a clamping mechanism (3) is slidably arranged inside the nut (1), a screw rod (5) is fixedly arranged at the lower end of the nut (1), and a zinc-plated layer (4) is arranged on the outer surface of the screw rod (5); The clamping mechanism (3) comprises two sliding connection blocks (305), and semicircular protrusions (307) are fixedly arranged in the middle of both sides of the two sliding connection blocks (305). The pressure rod (2) comprises a round rod (201), and a first spring (202) is fixedly arranged at the lower end of the round rod (201). A triangular block (306) is fixedly arranged at the upper end of the opposite side of the two sliding connection blocks (305).

2. The anti-theft galvanized bolt according to claim 1, characterized in that: The nut (1) comprises a semicircular block (101), a cavity (102) is provided inside the semicircular block (101), and the pressure rod (2) and the clamping mechanism (3) are both slidably arranged inside the cavity (102).

3. The anti-theft galvanized bolt according to claim 1, characterized in that: The clamping mechanism (3) comprises a fixed block (301), a slide rail (302) is fixedly arranged in the middle of the upper end of the fixed block (301), and a limit block (303) is fixedly arranged in the middle of the upper end of the fixed block (301).

4. The anti-theft galvanized bolt according to claim 1, characterized in that: A slide plate (304) is fixedly arranged at the lower ends of the two sliding connection blocks (305), and a second spring (308) is fixedly arranged between the lower ends of the two sliding connection blocks (305).

5. The anti-theft galvanized bolt according to claim 1, characterized in that: The shaft of the screw rod (5) is slidably provided with a gasket (6).

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