CN215861204U - Hexagon flange self-drilling screw - Google Patents
Hexagon flange self-drilling screw Download PDFInfo
- Publication number
- CN215861204U CN215861204U CN202121681366.1U CN202121681366U CN215861204U CN 215861204 U CN215861204 U CN 215861204U CN 202121681366 U CN202121681366 U CN 202121681366U CN 215861204 U CN215861204 U CN 215861204U
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- China
- Prior art keywords
- rectangular plate
- flange
- sealing ring
- rectangular plates
- external
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- Expired - Fee Related
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Abstract
The utility model discloses a hexagonal flange self-drilling screw which comprises a hexagonal nut, a flange, an external thread column and a self-drilling, wherein a coaxial self-drilling is arranged right below the hexagonal nut, and the coaxial flange and the external thread column are sequentially arranged between the lower end surface of the hexagonal nut and the upper end surface of the self-drilling, and the hexagonal flange self-drilling screw is characterized in that: including first rectangular plate, blade, second rectangular plate, sealing washer, the sealing washer cover is in the top at the external screw thread post, and the lower terminal surface of flange evenly is equipped with the first rectangular plate of the radial setting of a plurality of, and first rectangular plate is established in the sealing washer outside, and first rectangular plate slope sets up and incline direction and screw up opposite direction with the external screw thread post, and the terminal surface is equipped with a plurality of blade bottom of first rectangular plate, and the radial evenly distributed of a plurality of blade at the terminal surface of bottom of first rectangular plate. According to the utility model, the inner diameter of the sealing ring is slightly smaller than the outer diameter of the external threaded column, so that good sealing performance can be realized between the sealing ring and the external threaded column, and the external threaded column is not easy to corrode.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of fasteners, in particular to the technical field of a hexagon flange self-drilling screw.
[ background of the utility model ]
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 self-tapping screw is a screw with a self-tapping drilling head at the front end of the screw, and the conventional self-tapping screw is easy to loosen after being installed.
[ Utility model ] content
The utility model aims to solve the problems in the prior art and provides a hexagon flange self-drilling screw which is firm in installation and not easy to loosen.
In order to achieve the purpose, the utility model provides a hexagonal flange self-drilling screw which comprises a hexagonal nut, a flange, an external thread column and a self-drilling, wherein a coaxial self-drilling is arranged right below the hexagonal nut, and the coaxial flange and the external thread column are sequentially arranged between the lower end surface of the hexagonal nut and the upper end surface of the self-drilling, and the hexagonal flange self-drilling screw is characterized in that: comprises a first rectangular plate and a blade, second rectangular plate, sealing washer, the sealing washer cover is in the top of external screw thread post, the lower terminal surface of flange evenly is equipped with the first rectangular plate of the radial setting of a plurality of, first rectangular plate is established in the sealing washer outside, first rectangular plate slope sets up and incline direction and external screw thread post screws up opposite direction, the lower terminal surface of first rectangular plate is equipped with a plurality of blade, a plurality of blade is at the radial evenly distributed of the lower terminal surface of first rectangular plate, the cutting edge of blade is perpendicular with the radius of flange, the lower terminal surface of flange evenly is equipped with the second rectangular plate of the radial setting of a plurality of, the second rectangular plate is established in the sealing washer outside, the slope of second rectangular plate sets up and incline direction and external screw thread post screws up opposite direction, the axial length that is equipped with a first rectangular plate second rectangular plate between per two second rectangular plates slightly is less than the axial length sum of first rectangular plate and blade.
Preferably, the axial length of the sealing ring is slightly larger than the sum of the axial lengths of the first rectangular plate and the blade.
Preferably, the end face of the lowest end of the second rectangular plate is provided with anti-skid grains.
Preferably, the inner diameter of the sealing ring is slightly smaller than the outer diameter of the external thread column.
The utility model has the beneficial effects that: according to the utility model, the inner diameter of the sealing ring is slightly smaller than the outer diameter of the external threaded column, so that good sealing property can be achieved between the sealing ring and the external threaded column, and the external threaded column is not easy to corrode; the blades can mark a circle of annular groove on the mounting surface when the external thread column is screwed down, and then the blades are clamped into the annular groove to prevent the external thread column from shaking around after being fixed; the second rectangular plate is obliquely arranged, the oblique direction of the second rectangular plate is opposite to the screwing direction of the external thread column, and the end face of the lowest end of the second rectangular plate is provided with anti-skid grains, so that the second rectangular plate can be meshed on the mounting surface after the external thread column is screwed, and the external thread column is not easy to loosen.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a hex flange self-drilling screw of the present invention.
[ detailed description ] embodiments
Referring to fig. 1, the hexagonal flange self-drilling screw of the present invention is composed of a hexagonal nut 1, a flange 2, an external thread column 3, and a self-drilling 4, wherein the self-drilling 4 is coaxially arranged under the hexagonal nut 1, and the flange 2 and the external thread column 3 are coaxially arranged between the lower end face of the hexagonal nut 1 and the upper end face of the self-drilling 4 in sequence, and is characterized in that: including first rectangular plate 21, blade 211, second rectangular plate 22, sealing washer 31 cover is topmost at external screw thread post 3, the lower terminal surface of flange 2 evenly is equipped with the first rectangular plate 21 of the radial setting of a plurality of, first rectangular plate 21 is established in the sealing washer 31 outside, first rectangular plate 21 slope sets up and incline the direction and screw up opposite direction with external screw thread post 3, the terminal surface is equipped with a plurality of blade 211 bottom of first rectangular plate 21, a plurality of blade 211 is at the radial evenly distributed of the terminal surface of first rectangular plate 21 bottom, the cutting edge of blade 211 is perpendicular with flange 2's radius, the lower terminal surface of flange 2 evenly is equipped with the second rectangular plate 22 of the radial setting of a plurality of, second rectangular plate 22 establishes in the sealing washer 31 outside, the slope of second rectangular plate 22 sets up and incline the direction and screw up opposite direction with external screw up 3, the axial length that is equipped with a first rectangular plate 21 second rectangular plate 22 between per two second rectangular plates 22 slightly is less than first rectangular plate 21 and blade 211's second rectangular plate 22 The axial length of the sealing ring 31 is slightly greater than the axial length of the first rectangular plate 21 and the blade 211, the end face of the lowest end of the second rectangular plate 22 is provided with anti-skid grains, and the inner diameter of the sealing ring 31 is slightly smaller than the outer diameter of the externally threaded column 3.
The working process of the utility model is as follows:
in the working process of the hexagonal flange drill screw, the inner diameter of the sealing ring 31 is slightly smaller than the outer diameter of the external threaded column 3, so that good sealing performance can be realized between the sealing ring 31 and the external threaded column 3, and the external threaded column 3 is not easy to corrode; the blades 211 can mark a circle of annular groove on the mounting surface when the external threaded column 3 is screwed down, and then a plurality of blades 211 are clamped into the annular groove to prevent the external threaded column 3 from shaking around after being fixed; the second rectangular plate 22 is obliquely arranged, the oblique direction of the second rectangular plate is opposite to the screwing direction of the external thread column 3, and the end face of the lowest end of the second rectangular plate (22) is provided with anti-skid grains, so that the second rectangular plate can be meshed on the mounting surface after the external thread column 3 is screwed, and the external thread column 3 is not easy to loosen.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (4)
1. The utility model provides a hexagonal flange bores tail screw, by hexagonal nut (1), flange (2), external screw thread post (3), bore tail (4) and constitute, is equipped with coaxial brill tail (4) under hexagonal nut (1), and terminal surface is equipped with coaxial flange (2), external screw thread post (3) between brill tail (4) up end under hexagonal nut (1) in proper order, its characterized in that: comprises a first rectangular plate (21), blades (211), a second rectangular plate (22) and a sealing ring (31), wherein the sealing ring (31) is sleeved at the uppermost end of an external threaded column (3), the lower end face of a flange (2) is uniformly provided with a plurality of first rectangular plates (21) which are radially arranged, the first rectangular plates (21) are arranged at the outer side of the sealing ring (31), the first rectangular plates (21) are obliquely arranged, the oblique direction of the first rectangular plates is opposite to the screwing direction of the external threaded column (3), the lowermost end face of the first rectangular plates (21) is provided with a plurality of blades (211), the plurality of blades (211) are radially and uniformly distributed at the lowermost end face of the first rectangular plates (21), the cutting edges of the blades (211) are vertical to the radius of the flange (2), the lower end face of the flange (2) is uniformly provided with a plurality of second rectangular plates (22) which are radially arranged, and the second rectangular plates (22) are arranged at the outer side of the sealing ring (31), the second rectangular plates (22) are obliquely arranged, the oblique direction of the second rectangular plates is opposite to the screwing direction of the external threaded column (3), and the axial length of one first rectangular plate (21) and one second rectangular plate (22) arranged between every two second rectangular plates (22) is slightly smaller than the sum of the axial lengths of the first rectangular plate (21) and the blade (211).
2. A hex flange drill screw as defined in claim 1, wherein: the axial length of the sealing ring (31) is slightly larger than the sum of the axial lengths of the first rectangular plate (21) and the blade (211).
3. A hex flange drill screw as defined in claim 1, wherein: the end face of the lowest end of the second rectangular plate (22) is provided with anti-skid grains.
4. A hex flange drill screw as defined in claim 1, wherein: the inner diameter of the sealing ring (31) is slightly smaller than the outer diameter of the external threaded column (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681366.1U CN215861204U (en) | 2021-07-23 | 2021-07-23 | Hexagon flange self-drilling screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681366.1U CN215861204U (en) | 2021-07-23 | 2021-07-23 | Hexagon flange self-drilling screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215861204U true CN215861204U (en) | 2022-02-18 |
Family
ID=80331325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121681366.1U Expired - Fee Related CN215861204U (en) | 2021-07-23 | 2021-07-23 | Hexagon flange self-drilling screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215861204U (en) |
-
2021
- 2021-07-23 CN CN202121681366.1U patent/CN215861204U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |