CN215110003U - Conductive anti-loosening screw - Google Patents
Conductive anti-loosening screw Download PDFInfo
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- CN215110003U CN215110003U CN202120172782.2U CN202120172782U CN215110003U CN 215110003 U CN215110003 U CN 215110003U CN 202120172782 U CN202120172782 U CN 202120172782U CN 215110003 U CN215110003 U CN 215110003U
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Abstract
The utility model discloses a conductive anti-loosening screw, it includes screw main part and integrated into one piece head in screw main part upper end, the screw main part is equipped with the locking preforming that is used for holding the location with the work piece card including polished rod section and screw thread section in this polished rod section, and screw thread section surface coating has conducting layer and locking layer. The utility model discloses the screw thread section external surface coating in the screw main part has conducting layer and locking layer, so that after the screw thread section spiral was fixed in the screw of this work piece, conducting layer and locking layer all contacted with this screw inner wall, through the conducting layer reinforcing electric conductivity nature, form in close contact with screw inner wall through locking layer, reach fastening connection's purpose with this, even the screw is a little bigger, the screw thread section of screw body also can form stable spiral with the screw and fix, guarantee assembly structure's stability, reach locking efficiency; in addition, the head can press the anti-loosening pressing sheet on the workpiece, and the anti-loosening pressing sheet and the workpiece are clamped and positioned, so that the limiting effect is enhanced, and the anti-loosening effect can be further enhanced.
Description
The technical field is as follows:
the utility model relates to a screw product field refers in particular to a conductive check screw.
Background art:
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. Screws are a common term for fasteners, a common spoken word. The screw is indispensable industry requisite in daily life: extremely small screws used for cameras, glasses, clocks, electronics, and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; transportation equipment, airplanes, electric cars, automobiles, and the like are used with screws of different sizes.
The existing screw achieves the fastening connection effect after being screwed into a threaded hole of a workpiece, but if the threaded hole is slightly large, the screw is easy to loosen, and the fastening connection effect is not ideal enough. In addition, the screw in the prior art has an unsatisfactory conductive effect.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art's not enough, provide a conductive check screw.
In order to solve the technical problem, the utility model discloses a following technical scheme: the conductive anti-loosening screw comprises a screw main body and a head integrally formed at the upper end of the screw main body, wherein the screw main body comprises a polished rod section and a threaded section integrally connected to the lower end of the polished rod section, an anti-loosening pressing sheet used for clamping and positioning a workpiece is arranged on the polished rod section, and a conductive layer and an anti-loosening layer are coated on the outer surface of the threaded section.
Furthermore, in the above technical scheme, the conductive layer is coated on the entire outer surface of the threaded section, the anti-loose layer is coated on a local surface of the conductive layer, and the area of the anti-loose layer is smaller than that of the conductive layer.
Furthermore, in the above technical solution, the conductive layer is coated on one half of the outer surface of the threaded section, and the anti-loose layer is coated on the other half of the outer surface of the threaded section.
Further, in the above technical solution, the thickness of the conductive layer is 0.04-0.06 mm.
Further, in the above technical solution, the thickness of the anti-loose layer is 0.02-0.04 mm.
Furthermore, in the above technical scheme, the upper end surface of the head is provided with a tool groove, and the tool groove is a straight-line-shaped groove, a cross-shaped groove or a plum blossom-shaped groove.
Furthermore, in the above technical scheme, the inner wall of the anti-loosening pressing piece is provided with an internal thread matched with the thread section, the anti-loosening pressing piece is arranged on the polished rod section after penetrating through the thread section through the internal thread screw, and a plurality of pressing arms bent downwards are formed on the outer edge of the anti-loosening pressing piece in a punching mode.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses the screw thread section external surface coating in the screw main part has conducting layer and locking layer, so that after this screw thread section spiral was fixed in the screw of this work piece, this conducting layer and locking layer all contacted with this screw inner wall, through the conducting layer reinforcing electric conductivity, form in close contact with screw inner wall through locking layer, so as to reach the purpose of fastening connection, even the screw is a little bigger, the screw thread section of screw body also can form stable spiral with the screw and fix, guarantee the stability of assembly structure, reach locking efficiency; in addition, the head can press the anti-loosening pressing sheet on the workpiece, and the anti-loosening pressing sheet and the workpiece are clamped and positioned, so that the limiting effect is enhanced, and the anti-loosening effect can be further enhanced.
Description of the drawings:
fig. 1 is a structural view of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
As shown in fig. 1, the conductive anti-loosening screw comprises a screw body 1 and a head 2 integrally formed at the upper end of the screw body 1, wherein the screw body 1 comprises a polished rod section 11 and a threaded section 12 integrally connected to the lower end of the polished rod section 11, an anti-loosening pressing sheet 3 for clamping and positioning a workpiece is arranged on the polished rod section 11, and a conductive layer and an anti-loosening layer are coated on the outer surface of the threaded section 12. The utility model discloses the surface coating has conducting layer and locking layer in screw section 12 of screw main part 1, so that after this screw section 12 spiral was fixed in the screw of this work piece, this conducting layer and locking layer all contacted with this screw inner wall, through the conducting layer reinforcing electric conductivity nature, form in close contact with screw inner wall through locking layer, with this purpose that reaches fastening connection, even the screw is a little bigger, screw section 12 of screw main part 1 also can form stable spiral with the screw and fix, guarantee the stability of assembly structure, reach locking efficiency; in addition, the head 2 can press the anti-loosening pressing sheet 3 on the workpiece, and the anti-loosening pressing sheet 3 and the workpiece are clamped and positioned, so that the limiting effect is enhanced, and the anti-loosening effect can be further enhanced.
The conductive layer is coated on the whole outer surface of the threaded section 12, the anti-loosening layer is coated on the local surface of the conductive layer, and the area of the anti-loosening layer is smaller than that of the conductive layer. Alternatively, the conductive layer is coated on one half of the outer surface of the threaded section 12, and the anti-loose layer is coated on the other half of the outer surface of the threaded section 12.
The anti-loosening layer is made of one or more of polyamide resin PA11, polyamide resin PA12, epoxy resin and polypropylene through mixing.
The conducting layer is prepared by mixing one or more than one of calcium carbonate, graphene, silver powder, copper powder and silicon carbide powder.
The thickness of the conducting layer is 0.04-0.06 mm.
The thickness of the anti-loosening layer is 0.02-0.04 mm.
The upper end face of the head part 2 is provided with a tool groove 21, and the tool groove 21 is a straight groove, a cross-shaped groove or a plum blossom-shaped groove.
The inner wall of the anti-loosening pressing piece 3 is provided with an internal thread matched with the thread section 12, and the anti-loosening pressing piece 3 penetrates through the thread section 12 through the internal thread and then is placed on the polished rod section 11, so that the anti-loosening pressing piece 3 can be effectively prevented from being accidentally separated from the screw main body 1, and the later use is facilitated; and a plurality of downward bent pressing arms 31 are punched on the outer edge of the anti-loosening pressing sheet 3. After the anti-loosening pressing sheet 3 is pressed on the workpiece, the pressing arm 31 of the anti-loosening pressing sheet 3 is clamped on the workpiece, so that a stable clamping and positioning effect is achieved, the limiting effect is enhanced, and the anti-loosening effect can be further enhanced.
To sum up, the utility model discloses it has conducting layer and locking layer to coat in the screw thread section 12 external surface of screw main part 1, so that after this screw thread section 12 spiral was fixed in the screw of this work piece, this conducting layer and locking layer all contacted with this screw inner wall, strengthen the electric conductivity through the conducting layer, form in close contact with screw inner wall through locking layer, reach the purpose of fastening connection with this, even the screw is a little bigger, screw thread section 12 of screw main part 1 also can form stable spiral with the screw and fix, guarantee the stability of assembly structure, reach locking efficiency; in addition, the head 2 can press the anti-loosening pressing sheet 3 on the workpiece, and the anti-loosening pressing sheet 3 and the workpiece are clamped and positioned, so that the limiting effect is enhanced, and the anti-loosening effect can be further enhanced.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a conductive anti-loosening screw, its includes screw main part (1) and integrated into one piece head (2) in screw main part (1) upper end, its characterized in that: the screw main body (1) comprises a polished rod section (11) and a threaded section (12) integrally connected to the lower end of the polished rod section (11), a locking pressing sheet (3) used for clamping and positioning a workpiece is arranged on the polished rod section (11), and a conductive layer and a locking layer are coated on the outer surface of the threaded section (12).
2. A conductive lock screw as defined in claim 1, wherein: the conductive layer is coated on the whole outer surface of the threaded section (12), the anti-loosening layer is coated on the local surface of the conductive layer, and the area of the anti-loosening layer is smaller than that of the conductive layer.
3. A conductive lock screw as defined in claim 1, wherein: the conductive layer is coated on one half of the outer surface of the threaded section (12), and the anti-loosening layer is coated on the other half of the outer surface of the threaded section (12).
4. A conductive lock screw as claimed in any one of claims 1 to 3, wherein: the thickness of the conducting layer is 0.04-0.06 mm.
5. A conductive lock screw as claimed in any one of claims 1 to 3, wherein: the thickness of the anti-loosening layer is 0.02-0.04 mm.
6. A conductive lock screw as claimed in any one of claims 1 to 3, wherein: the upper end face of the head part (2) is provided with a tool groove (21), and the tool groove (21) is a straight-line-shaped groove, a cross-shaped groove or a plum blossom-shaped groove.
7. A conductive lock screw as claimed in any one of claims 1 to 3, wherein: the inner wall of the anti-loosening pressing piece (3) is provided with an internal thread matched with the thread section (12), the anti-loosening pressing piece (3) penetrates through the thread section (12) through the internal thread in a spiral mode and then is placed on the polished rod section (11), and a plurality of pressing arms (31) bent downwards are formed on the outer edge of the anti-loosening pressing piece (3) in a punching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120172782.2U CN215110003U (en) | 2021-01-21 | 2021-01-21 | Conductive anti-loosening screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120172782.2U CN215110003U (en) | 2021-01-21 | 2021-01-21 | Conductive anti-loosening screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215110003U true CN215110003U (en) | 2021-12-10 |
Family
ID=79325073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120172782.2U Active CN215110003U (en) | 2021-01-21 | 2021-01-21 | Conductive anti-loosening screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215110003U (en) |
-
2021
- 2021-01-21 CN CN202120172782.2U patent/CN215110003U/en active Active
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