Corrosion-resistant impact-resistant high-strength bolt

Abstract

The utility model relates to the technical field of bolts, in particular to a corrosion-resistant impact-resistant high-strength bolt, an impact-resistant device comprises a gasket sleeved on a rod body of a screw rod, a gasket used for being inserted into a nut is fixedly mounted at the bottom end of the gasket, and a first clamping plate used for preventing the nut from rotating is fixedly mounted on a ring body of the gasket; a circular groove used for inserting the gasket into the nut is formed in the top end of the nut, and a second clamping plate used for being matched with the first clamping plate in a clamped mode to lock the nut is fixedly installed on the inner wall of the circular groove. When the bolt body and the nut are used for conducting fastening connection on a mechanical instrument, the nut rotates to be close to the gasket, the gasket can be inserted into the circular groove of the nut, and then the first clamping plate and the second clamping plate are connected in a clamped mode, so that the situation that the nut slides and falls off when the mechanical instrument vibrates can be prevented; the impact resistance of the joint of the nut and the screw is improved, and the service life of the bolt body is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to a corrosion-resistant and impact-resistant high-strength bolt. Background Art

[0002] Bolts are a type of fastener consisting of a nut head and a screw rod. They need to be used in conjunction with nuts to fasten two parts with through holes. Existing bolts are used to connect some mechanical devices. When some devices are in operation, the power they generate is strong, which can easily cause the connection between the bolt and the nut to disconnect or break.

[0003] For example, the Chinese patent application number CN202223427800.0 is a high-strength stainless steel bolt with good impact resistance. The stainless steel bolt body includes a screw and a nut. The surface of the screw is provided with a first protective layer, which includes an anti-stripping layer, a first wear-resistant layer, a first corrosion-resistant layer, an impact-resistant layer and a reinforcement layer. The surface of the nut is provided with a second protective layer, which includes a second wear-resistant layer, a second corrosion-resistant layer, a weather-resistant layer and an anti-deformation layer. It has the following technical defects:

[0004] When bolts are used to connect mechanical devices, the devices will vibrate when working, and the device itself has strong power, which can easily cause the connection between the bolts and nuts to loosen and lose the connection function on the device, making it inconvenient to use the bolts. Utility Model Content

[0005] In order to solve the problem that when the bolts mentioned in the above background technology are used to connect mechanical devices, the devices will vibrate when working, and the devices themselves have strong power, which easily leads to the connection between the bolts and the nuts being loosened and losing the connection function of the devices, making it inconvenient to use the bolts, the utility model provides the following technical solutions:

[0006] A corrosion-resistant and impact-resistant high-strength bolt comprises a bolt body, a rod of which is provided with a nut for threaded connection, and an anti-impact device for cooperating with the nut to lock and clamp the nut is sleeved on the rod of the bolt body.

[0007] The anti-impact device comprises a gasket sleeved on the rod body of the screw rod, a washer for inserting into a nut is fixedly mounted on the bottom end of the gasket, and a clamping plate for preventing the nut from rotating is fixedly mounted on the ring body of the washer.

[0008] Furthermore, the bolt body includes a screw for threaded connection with a nut, and a bolt head for driving the screw to rotate is fixedly installed on the top of the screw, and the appearance of the bolt head is a regular hexagon, so that the screw and the nut can be threadedly connected through special tools to fasten the mechanical equipment.

[0009] Furthermore, a claw for preventing the bolt head from slipping is fixedly installed at the bottom end of the bolt head, and there are four claws, which are distributed in a circular array at the bottom end of the bolt head. Therefore, when the bolt head needs to be tightened on the surface of a mechanical device, the four claws welded on the bottom end of the bolt head are tightly attached to the surface of the mechanical device to prevent the bolt head from causing the screw to slip.

[0010] Furthermore, there are a plurality of the clamping plates 1, which are distributed in a circular array around the ring body of the gasket, and a plurality of the clamping plates 1 are clamped and connected with a plurality of the clamping plates 2, which can prevent the nut from sliding and falling when the mechanical device vibrates; improve the impact resistance of the connection between the nut and the screw, and increase the service life of the bolt body.

[0011] Furthermore, a circular groove for inserting a washer into the nut is provided at the top of the nut, and the appearance of the nut is a regular hexagon, so that the operator can use a wrench to fasten the nut to the mechanical device through the bolt connection between the nut and the screw rod, and a clamping plate 2 for engaging with the clamping plate 1 to lock the nut is fixedly installed on the inner wall of the circular groove, and there are several clamping plates 2, and several clamping plates 2 are distributed in a circular array on the inner wall of the circular groove. When the mechanical device is fastened by the bolt body and the nut, when the nut is rotated close to the gasket, the washer can be inserted into the circular groove of the nut, and the clamping connection between several clamping plates 1 and several clamping plates 2 can prevent the nut from sliding and falling off when the mechanical device vibrates; the impact resistance of the connection between the nut and the screw rod is improved, and the service life of the bolt body is improved.

[0012] Furthermore, the outer surface of the bolt body is sprayed with an anti-corrosion paint layer for anti-corrosion, the outer surface of the anti-corrosion paint layer on the outer surface of the bolt body is sprayed with a wear-resistant layer for wear resistance, the outer surfaces of the bolt body, the anti-impact device and the nut are sprayed with an anti-corrosion paint layer for anti-corrosion, and the outer surfaces of the anti-corrosion paint layer on the outer surfaces of the bolt body, the anti-impact device and the nut are sprayed with a wear-resistant layer for wear resistance, so as to facilitate the long-term use of the bolt body, the anti-impact device and the nut.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By arranging the screw rod, the anti-impact device and the nut, when the mechanical equipment is fastened and connected by the bolt body and the nut, when the nut rotates close to the gasket, the gasket can be inserted into the circular groove of the nut, and the clamping connection between the first clamp plate and the second clamp plate can be used to prevent the nut from sliding and falling off when the mechanical equipment vibrates; the impact resistance of the connection between the nut and the screw rod is improved, and the outer surfaces of the bolt body, the anti-impact device and the nut are sprayed with an anti-corrosion paint layer for anti-corrosion, and the outer surfaces of the anti-corrosion paint layer on the outer surfaces of the bolt body, the anti-impact device and the nut are sprayed with a wear-resistant layer for wear resistance, thereby improving the service life of the bolt body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is the front view of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the anti-impact device of the utility model;

[0018] Figure 4 This is a schematic diagram of the nut structure of the utility model;

[0019] Figure 5 It is a top view of the nut of the utility model.

[0020] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0021] 100-bolt body, 101-bolt head, 102-claw, 103-screw;

[0022] 200-anti-impact device, 210-gasket, 220-washer, 230-cage plate 1;

[0023] 300-nut, 301-round groove, 302-clip plate 2. DETAILED DESCRIPTION

[0024] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0025] See also Figure 1-Figure 5 The utility model provides a corrosion-resistant and impact-resistant high-strength bolt.

[0026] A bolt is a type of fastener consisting of a nut head and a screw rod, and needs to be used in conjunction with a nut to fasten and connect two parts with through holes. Existing bolts are used to connect the joints of some mechanical devices. When some devices are in operation, the power generated by them is relatively strong, which easily leads to the loosening of the joints between the bolts and the nuts. Therefore, it is necessary to improve them, which include a bolt body 100, a nut 300 for threaded connection is arranged on the rod body of the bolt body 100, and an anti-impact device 200 for cooperating with the nut 300 to lock and clamp the nut 300 is mounted on the rod body of the bolt body 100;

[0027] The outer surfaces of the bolt body 100, the anti-impact device 200 and the nut 300 are sprayed with an anti-corrosion paint layer for corrosion resistance, and the outer surfaces of the anti-corrosion paint layer on the outer surfaces of the bolt body 100, the anti-impact device 200 and the nut 300 are sprayed with a wear-resistant layer for wear resistance, so that the bolt body 100, the anti-impact device 200 and the nut 300 are corrosion-resistant and wear-resistant; so as to facilitate the long-term use of the bolt body 100, the anti-impact device 200 and the nut 300;

[0028] The bolt body 100 includes a screw rod 103 for threaded connection with the nut 300, and a bolt head 101 for driving the screw rod 103 to rotate is fixedly installed on the top of the screw rod 103, and the appearance of the bolt head 101 is a regular hexagon, so that the screw rod 103 and the nut 103 can be threadedly connected to fasten the mechanical device through a special tool; the bottom end of the bolt head 101 is fixedly installed with a claw 102 for preventing the bolt head 101 from slipping, and there are four claws 102, which are distributed in a circular array at the bottom end of the bolt head 101, so that when the bolt head 101 needs to be tightened on the surface of the mechanical device, the four claws 102 welded on the bottom end of the bolt head 101 are tightly attached to the surface of the mechanical device to prevent the bolt head 101 from slipping and driving the screw rod 103;

[0029] The anti-impact device 200 includes a gasket 210 sleeved on the rod body of the screw rod 103, and the gasket 210 can move up and down on the rod body of the screw rod 103; a washer 220 for inserting into the nut 300 is fixedly installed at the bottom end of the gasket 210, and a clamping plate 230 for preventing the nut 300 from rotating is fixedly installed on the ring body of the washer 220, and there are a plurality of clamping plates 230, and the plurality of clamping plates 230 are distributed around the ring body of the washer 220 in a circular array;

[0030] The appearance of the nut 300 is a regular hexagon, so that the operator can use a wrench to fasten the nut 300 to the mechanical device through the bolt connection between the nut 300 and the screw rod 103; the top of the nut 300 is provided with a circular groove 301 for inserting the washer 220 into the nut 300, and the gasket 210 can be inserted into the circular groove 301; a second clamping plate 302 for engaging with the first clamping plate 230 to lock the nut 300 is fixedly installed on the inner wall of the circular groove 301, and there are a plurality of second clamping plates 302, which are distributed in a circular array on the inner wall of the circular groove 301, so that when the bolt body 100 and the nut 300 are used to fasten the mechanical device When tightening the connection, when the nut 3 rotates close to the gasket 210, the gasket 220 can be inserted into the circular groove 301 of the nut 300, and the clamping connection between the clamping plate 1 230 and the clamping plate 2 302 can prevent the nut 300 from sliding and falling when the mechanical equipment vibrates; the impact resistance of the connection between the nut 300 and the screw rod 103 is improved, and the outer surfaces of the bolt body 100, the anti-impact device 200 and the nut 300 are sprayed with an anti-corrosion paint layer for anti-corrosion, and the outer surfaces of the anti-corrosion paint layer on the outer surfaces of the bolt body 100, the anti-impact device 200 and the nut 300 are sprayed with a wear-resistant layer for wear resistance, thereby improving the service life of the bolt body 100.

[0031] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.

Claims

1. A corrosion-resistant and impact-resistant high-strength bolt, comprising a bolt body (100), characterized in that: A nut (300) for threaded connection is arranged on the rod of the bolt body (100), and an anti-impact device (200) for cooperating with the nut (300) to lock and clamp the nut (300) is sleeved on the rod of the bolt body (100); The anti-impact device (200) comprises a gasket (210) mounted on the rod body of the screw rod (103), a washer (220) for inserting into the nut (300) being fixedly mounted on the bottom end of the gasket (210), and a clamping plate (230) for preventing the nut (300) from rotating being fixedly mounted on the ring body of the washer (220).

2. The corrosion-resistant and impact-resistant high-strength bolt according to claim 1, characterized in that: The bolt body (100) comprises a screw rod (103) for threaded connection with a nut (300), and a bolt head (101) for driving the screw rod (103) to rotate is fixedly mounted on the top end of the screw rod (103).

3. The corrosion-resistant and impact-resistant high-strength bolt according to claim 2, characterized in that: A clamping claw (102) for preventing the bolt head (101) from slipping is fixedly mounted at the bottom end of the bolt head (101), and there are four clamping claws (102), which are distributed in a circular array at the bottom end of the bolt head (101).

4. The corrosion-resistant and impact-resistant high-strength bolt according to claim 1, characterized in that: There are a plurality of the first clamping plates (230), which are distributed in a circular array around the ring body of the gasket (220).

5. The corrosion-resistant and impact-resistant high-strength bolt according to claim 1, characterized in that: The top of the nut (300) is provided with a circular groove (301) for inserting the washer (220) into the nut (300), and a second clamping plate (302) for engaging with the first clamping plate (230) to lock the nut (300) is fixedly installed on the inner wall of the circular groove (301), and there are a plurality of second clamping plates (302), which are distributed in a circular array on the inner wall of the circular groove (301).

6. The corrosion-resistant and impact-resistant high-strength bolt according to claim 1, characterized in that: The outer surface of the bolt body (100) is sprayed with an anti-corrosion paint layer for anti-corrosion, and the outer surface of the anti-corrosion paint layer of the bolt body (100) is sprayed with a wear-resistant layer for wear resistance.

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