CN216407431U - High-strength anti-corrosion bolt - Google Patents
High-strength anti-corrosion bolt Download PDFInfo
- Publication number
- CN216407431U CN216407431U CN202123171579.2U CN202123171579U CN216407431U CN 216407431 U CN216407431 U CN 216407431U CN 202123171579 U CN202123171579 U CN 202123171579U CN 216407431 U CN216407431 U CN 216407431U
- Authority
- CN
- China
- Prior art keywords
- wall
- nut
- bolt body
- bolt
- wearing layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 26
- 230000007797 corrosion Effects 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 2
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Gasket Seals (AREA)
Abstract
The utility model discloses a high-strength anti-corrosion bolt which comprises a bolt body, wherein a connecting device is arranged on the outer wall of the bolt body. This high strength anticorrosion bolt, through the bolt body, first wearing layer, mutually support between anticorrosive coating and the second wearing layer isotructure, can improve the intensity and the wear resistance of bolt body through first wearing layer and second wearing layer, can improve the corrosion resisting property of bolt body through the anticorrosive coating, thereby the life of bolt body has been improved, through the nut, the gasket, the circular recess, the flange, mutually support between cylinder and the nut isotructure, can make the flange pass through cylinder and circular recess and play limiting displacement to the gasket, like this when the nut cooperation flange with equipment after fixed alright make the gasket more stable on the bolt body.
Description
Technical Field
The utility model relates to the technical field of bolts, in particular to a high-strength anti-corrosion bolt.
Background
The bolt is a mechanical part, a cylindrical threaded fastener matched with a nut, a fastener composed of a head part and a screw rod needs to be matched with the nut and is used for fastening and connecting two parts with through holes, the connection form is called bolt connection, the bolt in the prior art is single in structure, the overall strength and the corrosion resistance are low, and meanwhile, the gasket of the bolt in the prior art can be greatly loosened after the bolt is used for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-strength anti-corrosion bolt, which solves the problems of single structure, low overall strength and low anti-corrosion performance of the bolt in the prior art, which are proposed in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a high-strength anti-corrosion bolt comprises a bolt body, wherein a connecting device is arranged on the outer wall of the bolt body;
the connecting device comprises a first wear-resistant layer, an anticorrosive layer and a second wear-resistant layer;
the inner wall of first wearing layer links to each other with the outer wall of bolt body is fixed, the outer wall rigid coupling of first wearing layer has the anticorrosive coating, the outside of first wearing layer is equipped with the second wearing layer, and the inner wall of second wearing layer links to each other with the outer wall of anticorrosive coating is fixed.
Preferably, the outer wall of the second wear-resistant layer is provided with external threads.
Preferably, a moving device is installed on the outer wall above the second wear-resistant layer;
the moving device comprises a nut, a gasket and a circular groove;
the nut is located the outer wall of second wearing layer, and the inner wall of nut and the outer wall clearance fit of second wearing layer, the top of nut is equipped with the gasket, and the inner wall of gasket and the outer wall clearance fit of second wearing layer, the inside processing in top of gasket has a plurality of circular recess.
Preferably, the inner wall of the nut is provided with an internal thread, and the nut is in threaded connection with the external thread of the second wear-resistant layer through the internal thread.
Preferably, a limiting device is arranged above the bolt body;
the limiting device comprises a flange, a cylinder and a nut;
the lower surface of flange links to each other with the top welding of bolt body, the below outer wall rigid coupling of flange has a plurality of cylinders, and the outer wall of cylinder and the inner wall clearance fit of circular recess, the top of cylinder is equipped with the nut, and the lower surface of nut and flange are fixed to be linked to each other.
Compared with the prior art, the utility model has the beneficial effects that: according to the high-strength anti-corrosion bolt, through the mutual matching of the bolt body, the first wear-resistant layer, the anti-corrosion layer, the second wear-resistant layer and other structures, the strength and the wear resistance of the bolt body can be improved through the first wear-resistant layer and the second wear-resistant layer, the corrosion resistance of the bolt body can be improved through the anti-corrosion layer, and therefore the service life of the bolt body is prolonged;
through mutually supporting between nut, gasket, circular recess, flange, cylinder and the nut isotructure, can make the flange pass through cylinder and circular recess and play limiting displacement to the gasket, like this when the nut cooperation flange with equipment fixed back alright with make the gasket more stable on the bolt body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural view of the bolt body, the first wear-resistant layer and the corrosion-resistant layer in FIG. 2;
fig. 4 is a schematic structural view of the cylinder, the gasket and the rib in fig. 2.
In the figure: 1. bolt body, 2, connecting device, 201, first wearing layer, 202, anticorrosive coating, 203, second wearing layer, 3, mobile device, 301, nut, 302, gasket, 303, circular recess, 4, stop device, 401, flange, 402, cylinder, 403, nut, 5, external screw thread, 6, internal screw thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-strength anti-corrosion bolt comprises a bolt body 1, a connecting device 2 is arranged on the outer wall of the bolt body 1, the connecting device 2 comprises a first wear-resistant layer 201, an anti-corrosion layer 202 and a second wear-resistant layer 203, the inner wall of the first wear-resistant layer 201 is fixedly connected with the outer wall of the bolt body 1, the first wear-resistant layer 201 is mainly made of alloy steel powder, therefore, the hardness of the bolt body 1 can be improved, the outer wall of the first wear-resistant layer 201 is fixedly connected with the anticorrosive layer 202, the anticorrosive layer 202 is formed by mixing nickel powder, zinc powder and chromic acid and has better anticorrosive performance, the second wear-resistant layer 203 is arranged on the outer side of the first wear-resistant layer 201, and the inner wall of the second wear-resistant layer 203 is fixedly connected with the outer wall of the anticorrosive layer 202, the second wear-resistant layer 203 is SUS316, therefore, the wear resistance and the service life of the bolt body 1 can be further improved, and the outer wall of the second wear-resistant layer 203 is processed with the external thread 5.
Stop device 4 is installed to bolt body 1's top, stop device 4 includes flange 401, cylinder 402 and nut 403, flange 401's lower surface links to each other with bolt body 1's top welding, flange 401's below outer wall rigid coupling has 4 cylinders 402, and the outer wall of cylinder 402 and the inner wall clearance fit of circular recess 303, cylinder 402 uses the mid point of flange 401 to be annular equidistance distribution as the center, cylinder 402 can play limiting displacement to gasket 302 through circular recess 303 like this, the top of cylinder 402 is equipped with nut 403, and the lower surface of nut 403 links to each other with flange 401 is fixed.
In this embodiment, when an operator needs to use a high-strength anti-corrosion bolt, the operator first processes the first wear-resistant layer 201 on the outer wall of the bolt body 1, the first wear-resistant layer 201 is made of alloy steel powder, so that the hardness of the bolt body 1 can be improved, the outer wall of the first wear-resistant layer 201 is processed with the anti-corrosion layer 202, the anti-corrosion layer 202 is formed by mixing nickel powder, zinc powder and chromic acid, and has a good anti-corrosion performance, and finally, the outer wall of the anti-corrosion layer 202 is provided with the second wear-resistant layer 203, and the second wear-resistant layer 203 is SUS316, so that the wear-resistant performance and the service life of the bolt body 1 can be further improved, when the device needs to be connected with equipment, the gasket 302 can be passed through the bolt body 1, the bolt body 1 is driven to move by the nut 403 and the like, so that the bolt body 1 is passed through the threaded hole of the equipment, and then the upper surface of the gasket 302 is attached to the outer wall below the blocking edge 401, and make cylinder 402 enter into circular groove 303 on gasket 302, install nut 301 on bolt body 1 again, rotate nut 301, nut 301 can remove on bolt body 1 through internal thread 6 and external screw thread 5 to cooperate gasket 302 and nut 403 etc. alright with fixed equipment again, flange 401 can play limiting displacement to gasket 302 through cylinder 402 simultaneously, alright prevent that gasket 302 from taking place to become flexible like this.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A high strength anti-corrosion bolt, includes bolt body (1), its characterized in that: the outer wall of the bolt body (1) is provided with a connecting device (2);
the connecting device (2) comprises a first wear-resistant layer (201), an anticorrosive layer (202) and a second wear-resistant layer (203);
the inner wall of first wearing layer (201) links to each other with the outer wall of bolt body (1) is fixed, the outer wall rigid coupling of first wearing layer (201) has anticorrosive coating (202), the outside of first wearing layer (201) is equipped with second wearing layer (203), and the inner wall of second wearing layer (203) links to each other with the outer wall of anticorrosive coating (202) is fixed.
2. A high-strength corrosion-resistant bolt according to claim 1, wherein: the outer wall of the second wear-resistant layer (203) is provided with external threads (5).
3. A high-strength corrosion-resistant bolt according to claim 1, wherein: a moving device (3) is arranged on the outer wall above the second wear-resistant layer (203);
the moving device (3) comprises a nut (301), a gasket (302) and a circular groove (303);
nut (301) are located the outer wall of second wearing layer (203), and the inner wall of nut (301) and the outer wall clearance fit of second wearing layer (203), the top of nut (301) is equipped with gasket (302), and the inner wall of gasket (302) and the outer wall clearance fit of second wearing layer (203), the inside processing in top of gasket (302) has a plurality of circular recess (303).
4. A high-strength corrosion-resistant bolt according to claim 3, wherein: the inner wall of the nut (301) is processed with an internal thread (6), and the nut (301) is in threaded connection with the external thread (5) of the second wear-resistant layer (203) through the internal thread (6).
5. A high-strength corrosion-resistant bolt according to claim 1, wherein: a limiting device (4) is arranged above the bolt body (1);
the limiting device (4) comprises a flange (401), a cylinder (402) and a screw cap (403);
the lower surface of flange (401) links to each other with the top welding of bolt body (1), the below outer wall rigid coupling of flange (401) has a plurality of cylinders (402), and the outer wall of cylinder (402) and the inner wall clearance fit of circular recess (303), the top of cylinder (402) is equipped with nut (403), and the lower surface of nut (403) links to each other with flange (401) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123171579.2U CN216407431U (en) | 2021-12-16 | 2021-12-16 | High-strength anti-corrosion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123171579.2U CN216407431U (en) | 2021-12-16 | 2021-12-16 | High-strength anti-corrosion bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407431U true CN216407431U (en) | 2022-04-29 |
Family
ID=81285962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123171579.2U Expired - Fee Related CN216407431U (en) | 2021-12-16 | 2021-12-16 | High-strength anti-corrosion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216407431U (en) |
-
2021
- 2021-12-16 CN CN202123171579.2U patent/CN216407431U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220429 |