CN213039622U - Corrosion-resistant anti-fracture fastener - Google Patents
Corrosion-resistant anti-fracture fastener Download PDFInfo
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- CN213039622U CN213039622U CN202021741898.5U CN202021741898U CN213039622U CN 213039622 U CN213039622 U CN 213039622U CN 202021741898 U CN202021741898 U CN 202021741898U CN 213039622 U CN213039622 U CN 213039622U
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Abstract
The utility model discloses a corrosion-resistant anti-fracture fastener, which comprises a screw rod, the left and right ends of the outer surface of the screw rod are movably connected with nuts through threads, the screw rod comprises a first corrosion-resistant layer, a first high-strength layer, a second corrosion-resistant layer and a first cold-resistant layer, the first corrosion-resistant layer is positioned on the outer surface of the first high-strength layer, the first high-strength layer is positioned on the outer surface of the second corrosion-resistant layer, the second corrosion-resistant layer is positioned on the outer surface of the first cold-resistant layer, the nut comprises a second high-strength layer, a second cold-resistant layer and a wear-resistant layer, the second high-strength layer is positioned on the outer surface of the second cold-resistant layer, the second cold-resistant layer is positioned on the outer surface of the second cold-resistant layer, the utility model discloses a first corrosion-resistant layer, the first high-strength layer, the second corrosion-resistant layer and the first cold-resistant layer are mutually matched, thereby solving the problem that the existing, and is easily broken, resulting in a problem of short service life.
Description
Technical Field
The utility model relates to a fastener technical field specifically is a cracked fastener is prevented in corrosion-resistant.
Background
The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure and the like, can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, articles and the like, is a mechanical basic part which is most widely applied, and has the characteristics of various varieties and specifications, different performance and purposes, and extremely high standardization, serialization and universalization degrees, but the conventional fastener is easy to corrode from the external environment after being used for a long time and is easy to break, so that the service life is short, and therefore, the corrosion-resistant and breakage-proof fastener is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cracked fastener is prevented in corrosion-resistant possesses the advantages of corrosion-resistant preventing fracture, has solved present fastener and has used the corruption that receives external environment easily for a long time to easy fracture leads to the short problem of life.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant fracture-resistant fastener, includes the screw rod, both ends all have the nut through screw thread swing joint about the screw rod surface, the screw rod includes first corrosion-resistant layer, first high strength layer, second corrosion-resistant layer and first cold-resistant layer, first corrosion-resistant layer is located the surface on first high strength layer, first high strength layer is located the surface on second corrosion-resistant layer, second corrosion-resistant layer is located the surface on first cold-resistant layer, the nut includes second high strength layer, the cold-resistant layer of second and wearing layer, second high strength layer is located the surface on the cold-resistant layer of second, the cold-resistant layer of second is located the surface of wearing layer.
Preferably, the first corrosion-resistant layer is a stainless steel layer, and the first high-strength layer is a quenched and tempered steel layer.
Preferably, the second corrosion-resistant layer is a hastelloy layer, and the first cold-resistant layer is an aluminum alloy layer.
Preferably, the second high-strength layer is a carbon steel layer, the second cold-resistant layer is low-carbon steel, and the wear-resistant layer is high-manganese steel.
Preferably, the first corrosion-resistant layer and the second corrosion-resistant layer are equal in thickness, the first high-strength layer and the first cold-resistant layer are equal in thickness, the first corrosion-resistant layer is three-quarters of the first high-strength layer in thickness, and the second high-strength layer, the second cold-resistant layer and the wear-resistant layer are equal in thickness.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a first corrosion resistant layer is the stainless steel layer, has good corrosion resistance, can prevent the screw rod from being corroded, utilize first high strength layer quenching and tempering steel layer, has good intensity, avoid the screw rod to receive outside striking fracture, utilize the second corrosion resistant layer to be the hastelloy layer, can further improve the corrosion resistance of screw rod, avoid the screw rod to be corroded by external environment, thereby improve the service life, utilize first cold-resistant layer aluminum alloy layer, can improve the cold resistance of screw rod, avoid the screw rod to take place cold brittleness phenomenon in cold environment, lead to the screw rod to be easy to fracture, utilize the second high strength layer to be the carbon steel layer, can improve the intensity of nut, utilize the second cold-resistant layer to be low carbon steel, can avoid the nut to be corroded, utilize the wearing layer to be high manganese steel, can avoid the nut to produce wearing and tearing with the screw rod in the use, solve present fastener and used for a long time and received the corruption of external environment easily, and is easily broken, resulting in a problem of short service life.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the screw structure of the present invention;
fig. 3 is a schematic view of the nut structure of the present invention.
In the figure: 1. a screw; 11. a first corrosion-resistant layer; 12. a first high-strength layer; 13. a second corrosion-resistant layer; 14. a first cold-resistant layer; 2. a nut; 21. a second high-strength layer; 22. a second cold-resistant layer; 23. and a wear-resistant layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses a screw rod 1, first corrosion-resistant layer 11, first high strength layer 12, second corrosion-resistant layer 13, first cold-resistant layer 14, nut 2, second high strength layer 21, the cold-resistant layer 22 of second and wearing layer 23 part are the parts that general standard or technical field personnel know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.
Referring to fig. 1-3, a corrosion-resistant fracture-resistant fastener comprises a screw 1, wherein the left end and the right end of the outer surface of the screw 1 are movably connected with nuts 2 through threads, the screw 1 comprises a first corrosion-resistant layer 11, a first high-strength layer 12, a second corrosion-resistant layer 13 and a first cold-resistant layer 14, the first corrosion-resistant layer 11 is positioned on the outer surface of the first high-strength layer 12, the first corrosion-resistant layer 11 is a stainless steel layer, the first high-strength layer 12 is a quenched and tempered steel layer, the first high-strength layer 12 is positioned on the outer surface of the second corrosion-resistant layer 13, the second corrosion-resistant layer 13 is positioned on the outer surface of the first cold-resistant layer 14, the second corrosion-resistant layer 13 is a hastelloy alloy layer, the first cold-resistant layer 14 is an aluminum alloy layer, the nut 2 comprises a second high-strength layer 21, a second cold-resistant layer 22 and a wear-resistant layer 23, the second high-strength layer 21 is positioned on the outer surface of the second cold-resistant layer 22, the second cold-resistant layer 22 is positioned on the outer surface of the wear-resistant layer 23, the second high-strength layer 21 is a carbon steel layer, the second cold-resistant layer 22 is low-carbon steel, the wear-resistant layer 23 is high-manganese steel, the thicknesses of the first corrosion-resistant layer 11 and the second corrosion-resistant layer 13 are equal, the thicknesses of the first high-strength layer 12 and the first cold-resistant layer 14 are equal, the thickness of the first corrosion-resistant layer 11 is three fourths of the thickness of the first high-strength layer 12, the thicknesses of the second high-strength layer 21, the second cold-resistant layer 22 and the wear-resistant layer 23 are equal, the corrosion resistance of the screw 1 can be further improved by using the first corrosion-resistant layer 11 as a stainless steel layer, the screw 1 can be prevented from being corroded, the first high-strength layer 12 as a tempering steel layer has good strength, the screw 1 is prevented from being broken by external impact, the second corrosion-resistant layer 13 as a hastelloy layer is used, the corrosion resistance of the screw 1 can, thereby improve life, utilize first cold-resistant layer 14 aluminum alloy layer, can improve screw 1's cold resistance, avoid screw 1 to take place cold brittleness phenomenon in chilly environment, lead to screw 1 easy fracture, utilize second high strength layer 21 to be the carbon steel layer, can improve nut 2's intensity, utilize the cold-resistant layer 22 of second to be low carbon steel, can avoid nut 2 to be corroded, utilize wearing layer 23 to be high manganese steel, can avoid nut 2 inside and screw 1 to produce wearing and tearing in the use, solved present fastener and used easily to receive external environment's corruption for a long time, and easy fracture, lead to the problem that life is short.
When the screw rod 1 is used, the first corrosion-resistant layer 11 is a stainless steel layer and has good corrosion resistance, the screw rod 1 can be prevented from being corroded, the first high-strength layer 12 is used for tempering the steel layer and has good strength, the screw rod 1 is prevented from being broken by external impact, the second corrosion-resistant layer 13 is a Hastelloy layer and can further improve the corrosion resistance of the screw rod 1 and prevent the screw rod 1 from being corroded by an external environment, so that the service life is prolonged, the first cold-resistant layer 14 is used for improving the cold resistance of the screw rod 1 and preventing the screw rod 1 from being easily broken in a cold environment, the second high-strength layer 21 is a carbon steel layer and can improve the strength of the screw cap 2, the second cold-resistant layer 22 is low-carbon steel and can prevent the screw cap 2 from being corroded, the wear-resistant layer 23 is high-manganese steel and can prevent the screw cap 2 from being internally worn with the screw rod 1 in the use process, the problem of present fastener use for a long time easily receive the corruption of external environment to easy fracture leads to life to short is solved.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a corrosion-resistant fracture-preventing fastener, includes screw rod (1), its characterized in that: the left end and the right end of the outer surface of the screw rod (1) are movably connected with screw caps (2) through threads, the screw (1) comprises a first corrosion-resistant layer (11), a first high-strength layer (12), a second corrosion-resistant layer (13) and a first cold-resistant layer (14), the first corrosion-resistant layer (11) is located on the outer surface of the first high-strength layer (12), the first high-strength layer (12) is positioned on the outer surface of the second corrosion-resistant layer (13), the second corrosion-resistant layer (13) is positioned on the outer surface of the first cold-resistant layer (14), the screw cap (2) comprises a second high-strength layer (21), a second cold-resistant layer (22) and a wear-resistant layer (23), the second high-strength layer (21) is positioned on the outer surface of the second cold-resistant layer (22), the second cold-resistant layer (22) is positioned on the outer surface of the second cold-resistant layer (22), and the second cold-resistant layer (22) is positioned on the outer surface of the wear-resistant layer (23).
2. A corrosion resistant fracture resistant fastener according to claim 1, wherein: the first corrosion-resistant layer (11) is a stainless steel layer, and the first high-strength layer (12) is a quenched and tempered steel layer.
3. A corrosion resistant fracture resistant fastener according to claim 1, wherein: the second corrosion-resistant layer (13) is a hastelloy layer, and the first cold-resistant layer (14) is an aluminum alloy layer.
4. A corrosion resistant fracture resistant fastener according to claim 1, wherein: the second high-strength layer (21) is a carbon steel layer, the second cold-resistant layer (22) is low-carbon steel, and the wear-resistant layer (23) is high-manganese steel.
5. A corrosion resistant fracture resistant fastener according to claim 1, wherein: the thickness of the first corrosion-resistant layer (11) is equal to that of the second corrosion-resistant layer (13), the thickness of the first high-strength layer (12) is equal to that of the first cold-resistant layer (14), the thickness of the first corrosion-resistant layer (11) is three-quarters of that of the first high-strength layer (12), and the thickness of the second high-strength layer (21), the thickness of the second cold-resistant layer (22) is equal to that of the wear-resistant layer (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021741898.5U CN213039622U (en) | 2020-08-19 | 2020-08-19 | Corrosion-resistant anti-fracture fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021741898.5U CN213039622U (en) | 2020-08-19 | 2020-08-19 | Corrosion-resistant anti-fracture fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213039622U true CN213039622U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021741898.5U Active CN213039622U (en) | 2020-08-19 | 2020-08-19 | Corrosion-resistant anti-fracture fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213039622U (en) |
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- 2020-08-19 CN CN202021741898.5U patent/CN213039622U/en active Active
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