CN219549303U - Stainless steel bolt with long service life - Google Patents
Stainless steel bolt with long service life Download PDFInfo
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- CN219549303U CN219549303U CN202223305022.8U CN202223305022U CN219549303U CN 219549303 U CN219549303 U CN 219549303U CN 202223305022 U CN202223305022 U CN 202223305022U CN 219549303 U CN219549303 U CN 219549303U
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- resistant layer
- coating
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- stainless steel
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Abstract
The utility model discloses a stainless steel bolt with long service life, which comprises a bolt main body, wherein an oil inlet concave hole is formed in the inner surface of the bolt main body, flow guide branch holes are formed in two sides of the oil inlet concave hole, a corrosion-resistant layer is coated on the outer side of the bolt main body, the corrosion-resistant layer comprises a zirconium titanium alloy coating and an aluminum oxide coating, a wear-resistant layer is coated on the outer side of the corrosion-resistant layer, the wear-resistant layer comprises a silicon carbide coating and an ultra-high molecular weight polyethylene coating, and the number of the flow guide branch holes is multiple. According to the utility model, through the functions of the diversion support hole, the oil inlet concave hole, the corrosion resistant layer, the zirconium titanium alloy coating, the aluminum oxide coating, the wear resistant layer, the silicon carbide coating and the ultra-high molecular weight polyethylene coating, the purpose of long service life of the bolt is achieved, the problems that the existing stainless steel bolt has defects in corrosion resistance and wear resistance, the service life of the stainless steel bolt is reduced, and the application range and popularization of the stainless steel bolt are further limited are solved.
Description
Technical Field
The utility model relates to the technical field of stainless steel bolts, in particular to a stainless steel bolt with long service life.
Background
And (3) a bolt: the mechanical parts, the cylindrical threaded fastener with nut, the fastener composed of head and screw, need to cooperate with nut, used for fastening two parts with through hole, this kind of connection form is called bolting, if the nut is screwed off the bolt, can make these two parts separate, so the bolting is a detachable connection.
At present, the types of bolts are many, namely one of the stainless steel bolts, but the existing stainless steel bolts have defects in corrosion resistance and wear resistance, so that the service life of the existing stainless steel bolts is reduced, the application range and popularization of the existing stainless steel bolts are further limited, and therefore, the stainless steel bolts with long service life are provided.
Disclosure of Invention
The utility model aims to provide a stainless steel bolt with long service life, which has the advantage of long service life, solves the problems that the prior stainless steel bolt has defects in corrosion resistance and wear resistance, reduces the service life, and further limits the application range and popularization.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a long service life's stainless steel bolt, includes the bolt main part, the internal surface of bolt main part is provided with the oil feed shrinkage pool, the both sides of oil feed shrinkage pool all are provided with the water conservancy diversion branch hole, the outside of bolt main part is scribbled and is equipped with corrosion resistant layer, corrosion resistant layer includes zirconium titanium alloy coating and alumina coating, wear resistant layer is scribbled in the outside of corrosion resistant layer, the wear resistant layer includes carborundum coating and ultra high molecular weight polyethylene coating.
Preferably, the number of the diversion branch holes is multiple, and the distances between two adjacent diversion branch holes are equal.
Preferably, the aluminum oxide coating is coated on the outer side of the bolt main body, and the zirconium titanium alloy coating is coated on the outer side of the aluminum oxide coating.
Preferably, the ultra-high molecular weight polyethylene coating is coated on the outer side of the corrosion-resistant layer, and the silicon carbide coating is coated on the outer side of the ultra-high molecular weight polyethylene coating.
Preferably, the corrosion resistant layer has a thickness of between one hundred eighty microns and five hundred microns and the wear resistant layer has a thickness of between two hundred microns and seven hundred microns.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the functions of the diversion support hole, the oil inlet concave hole, the corrosion resistant layer, the zirconium titanium alloy coating, the aluminum oxide coating, the wear resistant layer, the silicon carbide coating and the ultra-high molecular weight polyethylene coating, the purpose of long service life of the bolt is achieved, the problems that the existing stainless steel bolt has defects in corrosion resistance and wear resistance, the service life of the stainless steel bolt is reduced, and the application range and popularization of the stainless steel bolt are further limited are solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a bolt body according to the present utility model;
FIG. 3 is a schematic view of the main structure of the bolt of the present utility model;
FIG. 4 is a schematic view of the structure of the corrosion resistant layer of the present utility model;
fig. 5 is a schematic view of the structure of the wear-resistant layer of the present utility model.
In the figure: 1. a bolt body; 2. a diversion branch hole; 3. an oil inlet concave hole; 4. a corrosion resistant layer; 41. a zirconium titanium alloy coating; 42. an alumina coating; 5. a wear-resistant layer; 51. a silicon carbide coating; 52. an ultra-high molecular weight polyethylene coating.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The bolt main body 1, the diversion branch hole 2, the oil inlet concave hole 3, the corrosion-resistant layer 4, the zirconium titanium alloy coating 41, the aluminum oxide coating 42, the wear-resistant layer 5, the silicon carbide coating 51 and the ultra-high molecular weight polyethylene coating 52 are all common standard components or components known by the skilled person, and the structure and the principle of the bolt main body are all known by the skilled person through technical manuals or through routine experimental methods.
Referring to fig. 1-5, a stainless steel bolt with long service life comprises a bolt main body 1, wherein an oil inlet concave hole 3 is formed in the inner surface of the bolt main body 1, flow guide branch holes 2 are formed in two sides of the oil inlet concave hole 3, a corrosion-resistant layer 4 is coated on the outer side of the bolt main body 1, the corrosion-resistant layer 4 comprises a zirconium titanium alloy coating 41 and an aluminum oxide coating 42, a wear-resistant layer 5 is coated on the outer side of the corrosion-resistant layer 4, and the wear-resistant layer 5 comprises a silicon carbide coating 51 and an ultra-high molecular weight polyethylene coating 52.
The number of the diversion branch holes 2 is multiple, and the distances between two adjacent diversion branch holes 2 are equal.
The alumina coating 42 is coated on the outer side of the bolt body 1, and the zirconium titanium alloy coating 41 is coated on the outer side of the alumina coating 42.
The ultra-high molecular weight polyethylene coating 52 is coated on the outer side of the corrosion resistant layer 4, and the silicon carbide coating 51 is coated on the outer side of the ultra-high molecular weight polyethylene coating 52.
The corrosion resistant layer 4 has a thickness of between one hundred eighty microns and five hundred microns and the wear resistant layer 5 has a thickness of between two hundred microns and seven hundred microns.
During the use, through the effect of corrosion resistant layer 4, and under the cooperation of zirconium titanium alloy coating 41 and alumina coating 42, can form the ability of twice corrosion resistant protection in the outside of bolt main part 1, and then improved the corrosion resistance on this bolt surface, through the effect of wearing layer 5, and under the cooperation of carborundum coating 51 and ultra high molecular weight polyethylene coating 52, can form the ability of twice wear resistant protection in the outside of bolt main part 1, and then improved the wear resistance on this bolt surface, and when this bolt main part 1 uses, when inwards instilling into the protective oil through advance oil shrinkage pool 3, can be through the equal distribution of water conservancy diversion branch hole 2 to the junction of bolt main part 1, thereby this bolt main part 1 has comprehensively protected, its life has been improved, and people's user demand has been satisfied.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides a long service life's stainless steel bolt, includes bolt body (1), its characterized in that: the anti-corrosion bolt is characterized in that an oil inlet concave hole (3) is formed in the inner surface of the bolt main body (1), guide branch holes (2) are formed in two sides of the oil inlet concave hole (3), a corrosion-resistant layer (4) is coated on the outer side of the bolt main body (1), the corrosion-resistant layer (4) comprises a zirconium titanium alloy coating (41) and an aluminum oxide coating (42), a wear-resistant layer (5) is coated on the outer side of the corrosion-resistant layer (4), and the wear-resistant layer (5) comprises a silicon carbide coating (51) and an ultra-high molecular weight polyethylene coating (52).
2. A long life stainless steel bolt according to claim 1, wherein: the number of the diversion branch holes (2) is multiple, and the distances between two adjacent diversion branch holes (2) are equal.
3. A long life stainless steel bolt according to claim 1, wherein: the aluminum oxide coating (42) is coated on the outer side of the bolt main body (1), and the zirconium titanium alloy coating (41) is coated on the outer side of the aluminum oxide coating (42).
4. A long life stainless steel bolt according to claim 1, wherein: the ultra-high molecular weight polyethylene coating (52) is coated on the outer side of the corrosion-resistant layer (4), and the silicon carbide coating (51) is coated on the outer side of the ultra-high molecular weight polyethylene coating (52).
5. A long life stainless steel bolt according to claim 1, wherein: the thickness of the corrosion resistant layer (4) is between one hundred eighty micrometers and five hundred micrometers, and the thickness of the wear resistant layer (5) is between two hundred micrometers and seven hundred micrometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223305022.8U CN219549303U (en) | 2022-12-10 | 2022-12-10 | Stainless steel bolt with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223305022.8U CN219549303U (en) | 2022-12-10 | 2022-12-10 | Stainless steel bolt with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549303U true CN219549303U (en) | 2023-08-18 |
Family
ID=87708128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223305022.8U Active CN219549303U (en) | 2022-12-10 | 2022-12-10 | Stainless steel bolt with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549303U (en) |
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2022
- 2022-12-10 CN CN202223305022.8U patent/CN219549303U/en active Active
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