CN215567190U - Inner hexagonal countersunk head step machine screw with anti-drop function - Google Patents
Inner hexagonal countersunk head step machine screw with anti-drop function Download PDFInfo
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- CN215567190U CN215567190U CN202121102826.0U CN202121102826U CN215567190U CN 215567190 U CN215567190 U CN 215567190U CN 202121102826 U CN202121102826 U CN 202121102826U CN 215567190 U CN215567190 U CN 215567190U
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- countersunk head
- falling
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Abstract
The utility model discloses an inner hexagonal countersunk head step machine screw with an anti-drop function, which comprises a stainless steel screw rod, wherein the surface of the stainless steel screw rod is fixedly provided with screw threads, the top of the stainless steel screw rod is fixedly provided with a countersunk head connecting rod, the top of the countersunk head connecting rod is fixedly provided with a screw nut, the center of the top of the screw nut is provided with an inner hexagonal hole groove, and the outer ring of the bottom of the screw nut is fixedly provided with a plurality of anticlockwise anti-drop grooves which are uniformly distributed. Meanwhile, the screw joint has certain sealing capacity.
Description
Technical Field
The utility model relates to the field of inner hexagonal countersunk head screws, in particular to an inner hexagonal countersunk head step machine screw with an anti-falling function.
Background
The socket head cap screw is a common fastener, and is a tool for fastening a machine member of an object in a progressive manner by performing circular rotation on an inclined surface of the object and relying on friction and mathematical principles. Widely used in machinery, electrical appliances and buildings. The common material is metal or plastic, the cylindrical shape, the groove with concave and convex carved on the surface is called as screw thread, and the transmission is carried out by an inner hexagonal screwdriver. The use of the inner hexagon countersunk head screw greatly facilitates the production and the life of people.
The existing inner hexagonal countersunk head screw is relatively single in structure, and the inner hexagonal countersunk head screw is easy to loosen and fall off after being used for a long time, so that safety accidents are easily caused when the inner hexagonal countersunk head screw is used in some machines.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an inner hexagonal countersunk head step machine screw with an anti-falling function, and the problem that the existing inner hexagonal countersunk head screw in the background technology is relatively single in structure, and the inner hexagonal countersunk head screw is easy to loosen and further fall off after being used for a long time, so that safety accidents are easily caused when the inner hexagonal countersunk head screw is used in some machines is solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a socket head countersunk head step machine screw with an anti-drop function comprises a stainless steel screw rod, wherein the surface of the stainless steel screw rod is fixedly provided with screw threads, the top of the stainless steel screw rod is fixedly provided with a countersunk head connecting rod, the top of the countersunk head connecting rod is fixedly provided with a screw nut, the center of the top of the screw nut is provided with a socket head groove, the outer ring of the bottom of the screw nut is fixedly provided with a plurality of uniformly distributed anticlockwise anti-drop groove strips, the surface of the countersunk head connecting rod is sleeved with a sealing anti-drop mechanism, the sealing anti-drop mechanism comprises an anti-drop gasket and a rubber sealing washer, the bottom of the anti-drop gasket is fixedly provided with the rubber sealing washer, the outer ring of the top of the anti-drop gasket is fixedly provided with a plurality of uniformly distributed clockwise anti-drop groove strips, the outer ring of the bottom of the stainless steel screw rod is provided with a lower edge chamfer, and a plurality of barb barbs are fixedly arranged on the surface of the lower edge chamfer.
As a preferable technical scheme of the utility model, an upper edge chamfer is arranged on an outer ring of the top of the stainless steel screw rod.
As a preferred technical solution of the present invention, the surface of the screw and the nut is fixedly provided with a plurality of resistance-increasing screwing insections which are uniformly distributed.
As a preferable technical solution of the present invention, the plurality of clockwise anti-loosening grooves are respectively provided corresponding to the plurality of counterclockwise anti-loosening grooves.
As a preferable technical scheme of the utility model, the barb plugs are arranged in a ring shape, and the head directions of the barb plugs are vertically upward.
Compared with the prior art, the utility model has the beneficial effects that: this hexagon socket countersunk head screw compact structure has increased sealed anti-disengaging mechanism on the basis of traditional screw, utilizes the mutual meshing effect of anticreep ditch strip for the screw can easily be screwed fixedly, when reverse twisting moves, need overcome huge barb meshing's frictional force, thereby improved the holistic fastening anticreep ability of screw, still possess certain sealing capacity to the junction of screw simultaneously, safe and reliable, it is more practical.
Drawings
FIG. 1 is a schematic view of a front view of the main body of the present invention;
FIG. 2 is a schematic view of the front view of the anti-separation mechanism of the present invention;
FIG. 3 is a schematic bottom view of the screw and nut of the present invention;
fig. 4 is an enlarged schematic view of a part a of the present invention.
In the figure: 1. stainless steel screw bolts; 2. screw threads; 3. a sealing anti-drop mechanism; 4. a screw and a nut; 5. a hexagon socket hole groove; 6. chamfering the upper edge; 7. resistance-increasing and screwing insections; 8. an anti-drop washer; 9. a rubber sealing gasket; 10. a countersunk connecting rod; 11. chamfering the lower edge; 12. barb forming; 13. preventing furrowing strips clockwise; 14. and anti-counter-clockwise anti-escape strips.
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 utility model provides an inner hexagonal countersunk head step machine screw with an anti-drop function, which comprises a stainless steel screw rod 1, a screw thread 2 is fixedly arranged on the surface of the stainless steel screw rod 1, a countersunk head connecting rod 10 is fixedly arranged on the top of the stainless steel screw rod 1, a screw nut 4 is fixedly arranged on the top of the countersunk head connecting rod 10, an inner hexagonal hole groove 5 is arranged at the center of the top of the screw nut 4, a plurality of uniformly distributed anticlockwise anti-drop groove strips 14 are fixedly arranged on the outer ring at the bottom of the screw nut 4, a sealing anti-drop mechanism 3 is sleeved on the surface of the countersunk head connecting rod 10, the sealing anti-drop mechanism 3 comprises an anti-drop gasket 8 and a rubber sealing gasket 9, the rubber sealing gasket 9 is fixedly arranged at the bottom of the anti-drop gasket 8, a plurality of uniformly distributed clockwise anti-drop groove strips 13 are fixedly arranged on the outer ring at the top of the anti-drop gasket 8, the outer lane of 1 bottom of stainless steel screw rod is equipped with lower limb chamfer 11, and the fixed surface of lower limb chamfer 11 is provided with a plurality of barb stings 12, can increase its resistance with the meshing of object barb when the screw is unscrewed, and then plays the mesh of anticreep.
Preferably, the outer lane at 1 top of stainless steel screw rod is equipped with top edge chamfer 6 for the edge at 4 tops of screw nut is more smooth, can not carry out the fish tail to the user, safe and reliable more.
Preferably, the surface of the screw cap 4 is fixed with a plurality of resistance-increasing screwing insections 7 which are uniformly distributed, and before the socket head cap screw driver is used for fastening, a user can conveniently and manually screw the socket head cap screw, so that the use is more convenient and quicker.
Preferably, clockwise anticreep ditch strip 13 of a plurality of corresponds the setting with anticlockwise anticreep ditch strip 14 of a plurality of respectively, when the fastening is twisted soon to hexagon socket head countersunk head step machine screw, because clockwise anticreep ditch strip 13 and 14 ditch strips of anticlockwise anticreep ditch strip opposite direction, can easily screw up fixedly, when the reverse twisting of hexagon socket head countersunk head stepped head machine screw, clockwise anticreep ditch strip 13 and anticlockwise anticreep ditch strip 14 can the meshing chucking each other, except that need overcome the frictional force between screw thread 2 and the screw, still need overcome huge frictional force between the sealed anti-disengaging mechanism 3 and between the object, thereby the holistic fastening anticreep ability of screw has been improved, still possess certain sealing capacity to the junction of screw simultaneously, safety and reliability, and is more practical.
Preferably, the barb 12 are arranged annularly, and the barb heads of the barb 12 are vertically upward, so that the barb heads can be engaged with the object barb when the screw is unscrewed, the resistance of the barb heads is increased, and the anti-falling purpose is achieved.
When the screw is screwed and fastened, the clockwise anti-falling groove strip 13 and the anticlockwise anti-falling groove strip 14 can be easily screwed and fixed due to opposite directions of the clockwise anti-falling groove strip 13 and the anticlockwise anti-falling groove strip 14, when the screw is screwed and fastened reversely, the clockwise anti-falling groove strip 13 and the anticlockwise anti-falling groove strip 14 can be meshed and fastened with each other, and besides the need of overcoming the friction force between the screw thread 2 and the screw hole, the huge friction force between the sealing anti-falling mechanism 3 and an object also needs to be overcome, barb thorn 12 can with the meshing of object barb, increases its resistance, and then plays the mesh of anticreep to improved the holistic fastening anticreep ability of screw, still possessed certain sealing capacity to the junction of screw simultaneously, safe and reliable, it is more practical.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides an allen countersunk head step machine screw with anti-drop function, includes stainless steel screw rod (1), its characterized in that: the surface fixing of the stainless steel screw rod (1) is provided with screw threads (2), the top of the stainless steel screw rod (1) is fixedly provided with a countersunk head connecting rod (10), the top of the countersunk head connecting rod (10) is fixedly provided with a screw nut (4), the center of the top of the screw nut (4) is provided with an inner hexagonal hole groove (5), the outer ring of the bottom of the screw nut (4) is fixedly provided with a plurality of uniformly distributed anticlockwise anti-falling groove strips (14), the surface of the countersunk head connecting rod (10) is sleeved with a sealing anti-falling mechanism (3), the sealing anti-falling mechanism (3) comprises an anti-falling gasket (8) and a rubber sealing gasket (9), the bottom of the anti-falling gasket (8) is fixedly provided with the rubber sealing gasket (9), the outer ring of the top of the anti-falling gasket (8) is fixedly provided with a plurality of uniformly distributed clockwise anti-falling groove strips (13), the outer ring of stainless steel screw rod (1) bottom is equipped with lower limb chamfer (11), the fixed surface of lower limb chamfer (11) is provided with a plurality of barb thorn (12).
2. The socket head cap countersunk flat head step machine screw with the anti-drop function according to claim 1, characterized in that: the outer ring of the top of the stainless steel screw rod (1) is provided with an upper edge chamfer (6).
3. The socket head cap countersunk flat head step machine screw with the anti-drop function according to claim 1, characterized in that: and a plurality of resistance-increasing screwing insections (7) which are uniformly distributed are fixedly arranged on the surface of the screw cap (4).
4. The socket head cap countersunk flat head step machine screw with the anti-drop function according to claim 1, characterized in that: the clockwise anti-loosening groove strips (13) are respectively arranged corresponding to the anticlockwise anti-loosening groove strips (14).
5. The socket head cap countersunk flat head step machine screw with the anti-drop function according to claim 1, characterized in that: the barb heads (12) are arranged in an annular shape, and the barb heads of the barb heads (12) are vertically upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121102826.0U CN215567190U (en) | 2021-05-21 | 2021-05-21 | Inner hexagonal countersunk head step machine screw with anti-drop function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121102826.0U CN215567190U (en) | 2021-05-21 | 2021-05-21 | Inner hexagonal countersunk head step machine screw with anti-drop function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215567190U true CN215567190U (en) | 2022-01-18 |
Family
ID=79862892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121102826.0U Active CN215567190U (en) | 2021-05-21 | 2021-05-21 | Inner hexagonal countersunk head step machine screw with anti-drop function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215567190U (en) |
-
2021
- 2021-05-21 CN CN202121102826.0U patent/CN215567190U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 511500 No. 2, guangchuang street, Guangzhou (Qingyuan) industrial transfer industrial park, Shijiao Town, Qingcheng District, Qingyuan City, Guangdong Province Patentee after: Guangdong fasite Precision Hardware Co.,Ltd. Address before: 511500 Room 401, 4th floor, building a, enterprise service center, No. 1, Guangzhou (Qingyuan) industrial transfer park, Qingcheng District, Qingyuan City, Guangdong Province Patentee before: Qingyuan fast precision hardware Co.,Ltd. |