CN209925396U - Bearing surface projection welding bolt - Google Patents
Bearing surface projection welding bolt Download PDFInfo
- Publication number
- CN209925396U CN209925396U CN201822180295.1U CN201822180295U CN209925396U CN 209925396 U CN209925396 U CN 209925396U CN 201822180295 U CN201822180295 U CN 201822180295U CN 209925396 U CN209925396 U CN 209925396U
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- China
- Prior art keywords
- bolt
- head
- diameter
- horizontal
- connecting rod
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- Expired - Fee Related
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Abstract
The utility model relates to a bearing surface projection welding bolt, the bolt includes bolt head, connecting rod, screw rod and isosceles cone direction head, the horizontal side of bolt head is connected the setting with the horizontal side of connecting rod is coaxial, and the horizontal another side of this connecting rod sets up together with the horizontal side coaxial coupling of screw rod, and the horizontal another side of this screw rod is connected the setting with the horizontal side of isosceles cone direction head is coaxial, and the diameter of the side of the isosceles cone direction head that is connected with the screw rod equals with the diameter of screw rod, and the diameter of the horizontal another side of equal isosceles cone direction head is less than the diameter of screw rod, contained angle between two relative waists of isosceles cone direction head is 90. The bolt can meet more use requirements, the use range of the bolt is enlarged, and great convenience is brought to production and use.
Description
Technical Field
The utility model belongs to the technical field of fastening connection spare, especially, bearing surface projection welding bolt.
Background
At present, welding bolts are frequently used in production and life, and although many types of welding bolts exist, the use requirements cannot be met, so that one or more new welding bolts are urgently needed to meet the use requirements.
Disclosure of Invention
An object of the utility model is to overcome prior art's weak point, provide a bearing surface projection welding bolt, this bolt isosceles cone guiding head is easier through the connect the through-hole with the connecting piece that this bolt phase-match set up, and then plays the effect of direction for the installation of this bolt is more quick, convenient, labour saving and time saving, and this bolt can satisfy more user demands, has enlarged the application range of bolt, has brought very big facility for production and use.
The utility model provides a its technical problem take following technical scheme to realize:
a kind of bearing surface projection welding bolt, the said bolt includes bolt head, tie rod, threaded spindle and isosceles cone guide head, the horizontal side of the said bolt head is connected with the horizontal side of the tie rod coaxially and set up, another horizontal side of the tie rod is connected with horizontal side of the threaded spindle coaxially and set up together, another horizontal side of the threaded spindle is connected with horizontal side of the guide head of the isosceles cone coaxially and set up, the guide head of the isosceles cone is isosceles cone-shaped, the diameter of one side of the guide head of the isosceles cone that links with threaded spindle is equal to diameter of the threaded spindle, the diameter of another horizontal side of the guide head of the isosceles cone is smaller than the diameter of the threaded spindle, the included angle between two relative waists of the guide head of the said isosceles cone is 90 degrees;
the horizontal two side surfaces of the bolt head are both arranged in a plane, and the outer surface of the screw rod is provided with threads for meshing connection; the diameters of the bolt head, the connecting rod and the bolt rod are sequentially reduced, the bolt head on the side of the connecting rod can be welded with a welding spot, and the welding spot is arranged on a connecting piece matched with the bolt;
the diameter of the bolt head is 25-25.5 mm, and the horizontal thickness of the bolt head is 2.5-2.7 mm; the horizontal length of the connecting rod is 24-24.3 mm, and the diameter of the connecting rod is 14.8-15 mm; the sum of the horizontal lengths of the screw and the isosceles cone guiding head is 30.5-31.2 mm, the diameter of one side face, far away from the screw, of the isosceles cone guiding head is 3mm, and the diameter of the screw is 6 mm.
And the bolt head, the connecting rod, the screw rod and the isosceles cone guide head are all made of boron steel.
And the hardness HRC of the bolt is 28-32.
The utility model discloses the advantage that gains is with positive effect:
1. the bolt comprises a bolt head, a connecting rod, a screw rod and an isosceles cone guiding head, wherein when the bolt is used, the bolt is welded with a welding spot of a connecting piece matched with the bolt; in addition, due to the fact that the connecting rod is arranged, the diameter length of the connecting rod is arranged between the diameter of the bolt head and the diameter of the bolt rod, connection firmness between the bolt and the connecting piece is enhanced, the bolt can meet more use requirements, the use range of the bolt is expanded, and great convenience is brought to production and use.
In addition, the two horizontal side surfaces of the bolt head are both arranged in a plane, so that the bolt head is convenient to manufacture and use.
Meanwhile, the diameter of a bolt head of the bolt is 25-25.5 mm, and the horizontal thickness of the bolt head is 2.5-2.7 mm; the horizontal length of the connecting rod is 24-24.3 mm, and the diameter of the connecting rod is 14.8-15 mm; the horizontal length sum of the screw rod and the isosceles cone guiding head is 30.5-31.2 mm, the diameter of one side face, far away from the screw rod, of the isosceles cone guiding head is 3mm, the diameter of the screw rod is 6mm, and the diameter of the top of the guiding cone column is 3-4 mm.
2. The bolt head, the connecting rod, the screw rod and the isosceles cone guide head of the bolt are all made of boron steel (namely 10B21), so that the hardness of the bolt nail is improved, the bolt nail is not easy to damage in use, and the service life of the bolt is prolonged.
Drawings
Fig. 1 is a schematic view of the structural connection of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only and are not intended to be limiting, and the scope of the present invention should not be limited thereby.
The structures not described in detail in the present invention can be understood as the conventional structures in the art.
A kind of bearing surface projection welding bolt, as shown in figure 1, the said bolt includes bolt head 1, tie rod 2, threaded spindle 3 and isosceles cone guide head 5, the horizontal side of the said bolt head is connected with the horizontal side of the tie rod coaxially and set up, another horizontal side of the tie rod is connected with horizontal side of the threaded spindle coaxially and set up together, another horizontal side of the threaded spindle is connected with horizontal side of the guide head of the isosceles cone coaxially and set up, the equal isosceles cone guide head takes the form of isosceles cone, the diameter of one side of the isosceles cone guide head that links with threaded spindle is equal to diameter of the threaded spindle, the diameter of another horizontal side of the equal isosceles cone guide head is smaller than the diameter of the threaded spindle, the included angle between two relative waists of the said isosceles cone guide head is 90 degrees;
the two horizontal side surfaces of the bolt head are both arranged in a plane, and the outer surface of the screw rod is provided with a thread 4 for meshing connection; the diameters of the bolt head, the connecting rod and the bolt rod are sequentially reduced, the bolt head on the side of the connecting rod can be welded with a welding spot, and the welding spot is arranged on a connecting piece matched with the bolt;
the diameter of the bolt head is 25-25.5 mm, and the horizontal thickness of the bolt head is 2.5-2.7 mm; the horizontal length of the connecting rod is 24-24.3 mm, and the diameter of the connecting rod is 14.8-15 mm; the sum of the horizontal lengths of the screw and the isosceles cone guiding head is 30.5-31.2 mm, the diameter of one side face, far away from the screw, of the isosceles cone guiding head is 3mm, and the diameter of the screw is 6 mm.
The bolt comprises a bolt head, a connecting rod, a screw rod and an isosceles cone guiding head, wherein when the bolt is used, the bolt is welded with a welding spot of a connecting piece matched with the bolt; in addition, due to the fact that the connecting rod is arranged, the diameter length of the connecting rod is arranged between the diameter of the bolt head and the diameter of the bolt rod, connection firmness between the bolt and the connecting piece is enhanced, the bolt can meet more use requirements, the use range of the bolt is expanded, and great convenience is brought to production and use.
In addition, the two horizontal side surfaces of the bolt head are both arranged in a plane, so that the bolt head is convenient to manufacture and use.
Meanwhile, the diameter of a bolt head of the bolt is 25-25.5 mm, and the horizontal thickness of the bolt head is 2.5-2.7 mm; the horizontal length of the connecting rod is 24-24.3 mm, and the diameter of the connecting rod is 14.8-15 mm; the horizontal length sum of the screw rod and the isosceles cone guiding head is 30.5-31.2 mm, the diameter of one side face, far away from the screw rod, of the isosceles cone guiding head is 3mm, the diameter of the screw rod is 6mm, and the diameter of the top of the guiding cone column is 3-4 mm.
In this embodiment, the bolt head, the connecting rod, the screw rod and the isosceles cone guiding head are all made of boron steel (i.e. 10B21), so that the hardness of the bolt nail is improved, the bolt nail is not easy to damage in use, and the service life of the bolt is prolonged.
In the embodiment, the hardness HRC of the bolt is 28-32.
Although the embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore, the scope of the invention is not limited to the embodiments disclosed.
Claims (1)
1. The utility model provides a bearing surface projection welding bolt which characterized in that: the bolt comprises a bolt head, a connecting rod, a screw rod and an isosceles cone guiding head, wherein a horizontal side face of the bolt head is coaxially connected with a horizontal side face of the connecting rod, the other horizontal side face of the connecting rod is coaxially connected with a horizontal side face of the screw rod, the other horizontal side face of the screw rod is coaxially connected with a horizontal side face of the isosceles cone guiding head, the isosceles cone guiding head is in an isosceles cone shape, the diameter of one side face of the isosceles cone guiding head connected with the screw rod is equal to the diameter of the screw rod, the diameter of the other horizontal side face of the isosceles cone guiding head is smaller than the diameter of the screw rod, and an included angle between two opposite waists of the isosceles cone guiding head is 90 degrees;
the horizontal two side surfaces of the bolt head are both arranged in a plane, and the outer surface of the screw rod is provided with threads for meshing connection; the diameters of the bolt head, the connecting rod and the bolt rod are gradually reduced in sequence, and the bolt head close to the connecting rod side and on the outer side of the connecting rod can be welded with a welding spot of a connecting piece matched with the bolt;
the diameter of the bolt head is 25-25.5 mm, and the horizontal thickness of the bolt head is 2.5-2.7 mm; the horizontal length of the connecting rod is 24-24.3 mm, and the diameter of the connecting rod is 14.8-15 mm; the sum of the horizontal lengths of the screw and the isosceles cone guiding head is 30.5-31.2 mm, the diameter of one side surface, far away from the screw, of the isosceles cone guiding head is 3mm, and the diameter of the screw is 6 mm;
the bolt head, the connecting rod, the screw rod and the isosceles cone guiding head are all made of boron steel;
the hardness HRC of the bolt is 28-32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822180295.1U CN209925396U (en) | 2018-12-25 | 2018-12-25 | Bearing surface projection welding bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822180295.1U CN209925396U (en) | 2018-12-25 | 2018-12-25 | Bearing surface projection welding bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209925396U true CN209925396U (en) | 2020-01-10 |
Family
ID=69065102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822180295.1U Expired - Fee Related CN209925396U (en) | 2018-12-25 | 2018-12-25 | Bearing surface projection welding bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209925396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160963A (en) * | 2020-10-27 | 2021-01-01 | 武汉鑫拓力工程技术有限公司 | Anchor bolt and support connecting structure |
-
2018
- 2018-12-25 CN CN201822180295.1U patent/CN209925396U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160963A (en) * | 2020-10-27 | 2021-01-01 | 武汉鑫拓力工程技术有限公司 | Anchor bolt and support connecting structure |
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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: 20200110 Termination date: 20211225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |