CN215171450U - High-temperature-resistant and corrosion-resistant anti-loosening screw - Google Patents
High-temperature-resistant and corrosion-resistant anti-loosening screw Download PDFInfo
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- CN215171450U CN215171450U CN202121191499.0U CN202121191499U CN215171450U CN 215171450 U CN215171450 U CN 215171450U CN 202121191499 U CN202121191499 U CN 202121191499U CN 215171450 U CN215171450 U CN 215171450U
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Abstract
The utility model discloses a high temperature resistant corrosion-resistant check screw, including the screw body, the screw body includes nut and screw rod, the thread groove has been seted up to the surface of screw rod, screw body surface from inside to outside has coated corrosion resistant layer and inorganic high temperature resistant layer in proper order, the cross recess has been seted up at the top of nut, the chip removal chamber has been seted up in the screw rod, a plurality of chip removal holes have still been seted up on the screw rod surface, the nut is close to the one side bottom ring of screw rod is equipped with a plurality of location threads. The inorganic high-temperature-resistant layer is coated on the surface of the screw body, so that the high-temperature-resistant performance of the screw is improved, the screw is not damaged under the conditions of friction and high temperature, and the loosening phenomenon can not occur even when the screw is used in a higher-temperature environment; the corrosion-resistant layer is designed, so that the screw is not easy to corrode when exposed to the external environment, and the service life of the screw is prolonged.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of screw, especially high temperature resistant corrosion resistant check screw's technical field.
[ background of the invention ]
The screw is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object.
The existing screw does not have a high-temperature resistant function, so that the nut is easy to loosen when the screw is used in a high-temperature environment, high temperature can be generated during friction, and the screw is easy to corrode after being exposed outside for a long time and cannot achieve the fastening effect.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, provide a high temperature resistant corrosion-resistant locking screw, can make the screw have high temperature resistant and corrosion-resistant function, long-term the use does not take place not hard up.
In order to realize the above purpose, the utility model provides a high temperature resistant corrosion-resistant check screw, including the screw body, the screw body includes nut and screw rod, the thread groove has been seted up to the surface of screw rod, the exterior wall fixed mounting of screw rod has the connecting block, the connecting block is kept away from the one end elastic connection of screw rod has the flexure strip, screw body surface from interior to exterior has coated corrosion resistant layer and inorganic high temperature resistant layer in proper order, the cross recess has been seted up at the top of nut, the chip removal chamber has been seted up in the screw rod, the chip removal chamber with the cross recess is linked together, a plurality of chip removal holes have still been seted up on the screw rod surface, the chip removal hole with the chip removal chamber is linked together, the nut is close to the one side bottom ring of screw rod is equipped with a plurality of location thread.
Preferably, the positioning screw thread is of a triangular conical structure.
Preferably, the end of the screw rod far away from the screw cap is provided with a pointed head.
Preferably, one side of the screw rod close to the tip is provided with an annular groove.
The utility model has the advantages that: the inorganic high-temperature-resistant layer is coated on the surface of the screw body, so that the high-temperature-resistant performance of the screw is improved, the screw is not damaged under the conditions of friction and high temperature, and the loosening phenomenon can not occur even when the screw is used in a higher-temperature environment; the corrosion-resistant layer is designed, so that the screw is not easily corroded when exposed to the external environment, and the service life of the screw is prolonged; the surface of the screw is provided with the elastic sheet, so that the anti-loosening function of the screw is improved; the chip removal cavity is arranged, chips collected by the chip removal hole are discharged through the chip removal cavity, the chips are prevented from extruding the surface of the screw rod, and the screw is more firmly installed.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a front view of a high temperature and corrosion resistant lock screw of the present invention;
fig. 2 is a cross-sectional view of a high temperature and corrosion resistant lock screw of the present invention;
fig. 3 is a schematic view of the nut structure of the high temperature resistant and corrosion resistant lock screw of the present invention.
In the figure: the screw comprises a nut 1, a screw 2, a thread groove 3, a connecting block 4, an elastic sheet 5, a positioning thread 6, a pointed end 7, an annular groove 8, a cross groove 11, a chip removal cavity 21 and a chip removal hole 22.
[ detailed description ] embodiments
Referring to fig. 1, 2 and 3, the high temperature resistant and corrosion resistant anti-loosening screw of the present invention comprises a screw body, the screw body comprises a nut 1 and a screw rod 2, the outer surface of the screw rod 2 is provided with a thread groove 3, the outer surface wall of the screw rod 2 is fixedly provided with a connecting block 4, one end of the connecting block 4 away from the screw rod 2 is elastically connected with an elastic sheet 5, the surface of the screw body is sequentially coated with a corrosion resistant layer and an inorganic high temperature resistant layer from inside to outside, the top of the nut 1 is provided with a cross groove 11, a chip removal cavity 21 is formed in the screw rod 2, the chip removal cavity 21 is communicated with the cross groove 11, the surface of the screw rod 2 is further provided with a plurality of chip removal holes 22, the chip removal holes 22 are communicated with the chip removal cavity 21, a plurality of positioning threads 6 are annularly arranged at the bottom of the nut 1 near the screw rod 2, the positioning threads 6 are of a triangular cone structure, a pointed end 7 is arranged at one end, far away from the screw cap 1, of the screw rod 2, and an annular groove 8 is formed in one side, close to the pointed end 7, of the screw rod 2.
The utility model discloses the working process:
the utility model relates to a high temperature resistant and corrosion resistant anti-loose screw, which coats an inorganic high temperature resistant layer on the surface of the screw body, improves the high temperature resistant performance of the screw, ensures that the screw is not damaged under the conditions of friction and high temperature, and can not loosen when used in the environment with higher temperature; the corrosion-resistant layer is designed, so that the screw is not easily corroded when exposed to the external environment, and the service life of the screw is prolonged; the surface of the screw rod 2 is provided with the elastic sheet 5, so that the anti-loosening function of the screw is improved; the chip removal cavity 21 is arranged, chips collected by the chip removal holes 22 are discharged through the chip removal cavity 21, the chips are prevented from extruding the surface of the screw rod 2, and the screw is mounted more firmly.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (4)
1. The utility model provides a high temperature resistant corrosion-resistant check screw which characterized in that: comprises a screw body, the screw body comprises a screw cap (1) and a screw rod (2), the outer surface of the screw rod (2) is provided with a thread groove (3), the outer surface wall of the screw rod (2) is fixedly provided with a connecting block (4), one end of the connecting block (4) far away from the screw rod (2) is elastically connected with an elastic sheet (5), the surface of the screw body is sequentially coated with a corrosion-resistant layer and an inorganic high-temperature-resistant layer from inside to outside, the top of the screw cap (1) is provided with a cross-shaped groove (11), a chip removal cavity (21) is formed in the screw rod (2), the chip removal cavity (21) is communicated with the cross-shaped groove (11), the surface of the screw rod (2) is also provided with a plurality of chip removal holes (22), the chip removal holes (22) are communicated with the chip removal cavity (21), the bottom of one surface, close to the screw rod (2), of the screw cap (1) is annularly provided with a plurality of positioning threads (6).
2. A high temperature and corrosion resistant lock screw as defined in claim 1, wherein: the positioning screw teeth (6) are of a triangular conical structure.
3. A high temperature and corrosion resistant lock screw as defined in claim 1, wherein: and a pointed end (7) is arranged at one end of the screw rod (2) far away from the screw cap (1).
4. A high temperature and corrosion resistant lock screw as claimed in claim 3, wherein: and an annular groove (8) is formed in one side, close to the pointed end (7), of the screw rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121191499.0U CN215171450U (en) | 2021-05-31 | 2021-05-31 | High-temperature-resistant and corrosion-resistant anti-loosening screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121191499.0U CN215171450U (en) | 2021-05-31 | 2021-05-31 | High-temperature-resistant and corrosion-resistant anti-loosening screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215171450U true CN215171450U (en) | 2021-12-14 |
Family
ID=79373935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121191499.0U Active CN215171450U (en) | 2021-05-31 | 2021-05-31 | High-temperature-resistant and corrosion-resistant anti-loosening screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215171450U (en) |
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2021
- 2021-05-31 CN CN202121191499.0U patent/CN215171450U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314300 Tongyuan village, Tongyuan Town, Haiyan County, Jiaxing, Zhejiang Patentee after: Jiaxing Hongcheng Seiko technology Co.,Ltd. Address before: 314300 Tongyuan village, Tongyuan Town, Haiyan County, Jiaxing, Zhejiang Patentee before: HAIYAN H&C FASTENER Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |