CN208442144U - A kind of high-strength bolt of fixation - Google Patents
A kind of high-strength bolt of fixation Download PDFInfo
- Publication number
- CN208442144U CN208442144U CN201821115995.6U CN201821115995U CN208442144U CN 208442144 U CN208442144 U CN 208442144U CN 201821115995 U CN201821115995 U CN 201821115995U CN 208442144 U CN208442144 U CN 208442144U
- Authority
- CN
- China
- Prior art keywords
- expanded bore
- auxiliary rod
- screw rod
- fixation
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of high-strength bolts of fixation, including bolt head, screw rod, nut, clamping cap, auxiliary rod, expanded bore, expand valve, the bolt head bottom centre is fixed with a screw rod, bolt head and screw rod are an integral structure, screw rod lower half portion center is equipped with an expanded bore, expanded bore side wall is equipped with several partition seams for running through expanded bore side wall, the lower half portion of screw rod is divided into several expansion valves by partition seam, the nut is screwed in the lower half portion of screw rod, nut bottom is fixed with the clamping cap of lower end sealing, an auxiliary rod is fixed in clamping cap inner bottom wall, auxiliary rod is inserted into expanded bore.The utility model is by matching auxiliary rod with expanded bore, so that bolt group is not easy to loosen after tightening, ensure that the reliability of bolt group；Expanded bore in truncated cone to expand valve can better outside lateral bend so that expansion valve can effectively lock nut；Auxiliary rod is connected through a screw thread so that auxiliary rod is convenient for fixation.
Description
[technical field]
The utility model relates to the technical fields of the technical field of fastener, especially high-strength bolt.
[background technique]
Fastener is widely used in various fields, different components can be fixed, high-strength bolt is one
The common fastener of kind.Existing high-strength bolt was easy to produce loosening during using, and was unfavorable for having between component
The fixation of effect, is easy to produce safety accident.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of high-intensitive spiral shell of fixation
Bolt can make bolt group fixation, be not easy to loosen.
To achieve the above object, the utility model proposes a kind of high-strength bolts of fixation, including bolt head, spiral shell
Bar, nut, clamping cap, auxiliary rod, expanded bore, expansion valve, the bolt head bottom centre are fixed with a screw rod, bolt head and
Screw rod is an integral structure, and screw rod lower half portion center is equipped with an expanded bore, and expanded bore side wall is equipped with several and passes through
The partition seam of expanded bore side wall is worn, the lower half portion of screw rod is divided into several expansion valves by partition seam, and the nut is screwed in screw rod
Lower half portion, nut bottom is fixed with the clamping cap of lower end sealing, is fixed with an auxiliary rod in clamping cap inner bottom wall, assists
Bar is inserted into expanded bore.
Preferably, the expanded bore is in truncated cone, the open end diameter of expanded bore is greater than the bottom hole diameter of extension mouth.
Preferably, polishing treatment is passed through on the head of the expanded bore inner wall and auxiliary rod, applied on the inner wall of expanded bore
It is wiped with lubricating oil or lubricating grease.
Preferably, the head of the auxiliary rod is a hemisphere, hemispheroidal diameter and auxiliary rod rest part
Diameter is equal, and hemispheroidal top is located at the lower section of nut lower surface.
Preferably, the nut and clamping cap are an integral structure, auxiliary rod is by being threaded onto the interior bottom of clamping cap
At the center of wall.
Preferably, the tightening direction of the auxiliary rod and the tightening direction of nut are opposite.
Preferably, the partition seam quantity is 3-6 item, partition seam is by the lower half portion equal part of screw rod, all expansion valves
Shape size it is identical.
Preferably, the clamping cap inner bottom wall is equipped with a boss, auxiliary rod is fixed on boss, bottom in clamping cap
The rest part of wall is equipped with several through-holes.
The utility model has the beneficial effects that the utility model is by matching auxiliary rod with expanded bore, so that bolt group
It is not easy to loosen after tightening, ensure that the reliability of bolt group；Expanded bore makes expansion valve can preferably outward in truncated cone
Bending, so that expansion valve can effectively lock nut；Auxiliary rod is connected through a screw thread so that auxiliary rod is convenient for fixation.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of main view of the high-strength bolt of fixation of the utility model.
In figure: 1- bolt head, 2- screw rod, 3- nut, 4- clamping cap, 5- auxiliary rod, 20- expanded bore, 21- partition seam, 22-
Expand valve, 40- through-hole, 41- boss, 50- hemisphere.
[specific embodiment]
Refering to fig. 1, a kind of high-strength bolt of fixation of the utility model, including bolt head 1, screw rod 2, nut 3, pressure
Tight lid 4, auxiliary rod 5, expanded bore 20, expansion valve 22,1 bottom centre of bolt head are fixed with a screw rod 2,1 He of bolt head
Screw rod 2 is an integral structure, and the 2 lower half portion center of screw rod is equipped with an expanded bore 20, if 20 side wall of expanded bore is equipped with
Dry item runs through the partition seam 21 of 20 side wall of expanded bore, and the lower half portion of screw rod 2 is divided into several expansion valves 22, institute by partition seam 21
The lower half portion that nut 3 is screwed in screw rod 2 is stated, 3 bottom of nut is fixed with the clamping cap 4 of lower end sealing, consolidates in 4 inner bottom wall of clamping cap
Surely there is an auxiliary rod 5, auxiliary rod 5 is inserted into expanded bore 20, and the expanded bore 20 is in truncated cone, the open end of expanded bore 20
Diameter is greater than the bottom hole diameter of extension mouth, and polishing treatment, expanded bore are passed through in the head of 20 inner wall of expanded bore and auxiliary rod 5
Lubricating oil or lubricating grease are coated on 20 inner wall, the head of the auxiliary rod 5 is a hemisphere 50, the diameter of hemisphere 50
Equal with the diameter of 5 rest part of auxiliary rod, the top of hemisphere 50 is located at the lower section of 3 lower surface of nut, the nut 3 and pressure
Tight lid 4 is an integral structure, and at center of the auxiliary rod 5 by the inner bottom wall for being threaded onto clamping cap 4, the auxiliary rod 5 is twisted
The tightening direction of tight direction and nut 3 is on the contrary, 21 quantity of the partition seam is 3-6 item, and partition seam 21 is by the lower half portion of screw rod 2
The shape size of equal part, all expansion valves 22 is identical, and 4 inner bottom wall of clamping cap is equipped with a boss 41, auxiliary rod 5
It is fixed on boss 41, the rest part of 4 inner bottom wall of clamping cap is equipped with several through-holes 40.
Utility model works process:
During the work time, auxiliary rod 5 and expanded bore 20 match a kind of high-strength bolt of fixation of the utility model
It closes, so that bolt group is not easy to loosen after tightening, ensure that the reliability of bolt group；Expanded bore 20 makes to expand valve in truncated cone
22 can better outside lateral bend so that expansion valve can effectively lock nut 3；Auxiliary rod 5 is connected through a screw thread so that auxiliary
Bar 5 is helped convenient for fixing.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Scheme after type simple transformation belongs to the protection scope of the utility model.
Claims (8)
1. a kind of high-strength bolt of fixation, it is characterised in that: including bolt head (1), screw rod (2), nut (3), compress
(4), auxiliary rod (5), expanded bore (20), expansion valve (22) are covered, bolt head (1) bottom centre is fixed with a screw rod (2),
Bolt head (1) and screw rod (2) are an integral structure, and screw rod (2) the lower half portion center is equipped with an expanded bore (20), expansion
Hole (20) side wall is equipped with several partition seams (21) for running through expanded bore (20) side wall, and partition seam (21) will be under screw rod (2)
Half part is divided into several expansion valves (22), and the nut (3) is screwed in the lower half portion of screw rod (2), and nut (3) bottom is fixed with
The clamping cap (4) of lower end sealing, an auxiliary rod (5) is fixed in clamping cap (4) inner bottom wall, and auxiliary rod (5) is inserted into expanded bore
(20) in.
2. a kind of high-strength bolt of fixation as described in claim 1, it is characterised in that: the expanded bore (20) is in circle
Taper type, the open end diameter of expanded bore (20) are greater than the bottom hole diameter of extension mouth.
3. a kind of high-strength bolt of fixation as described in claim 1, it is characterised in that: expanded bore (20) inner wall
Pass through polishing treatment with the head of auxiliary rod (5), is coated with lubricating oil or lubricating grease on the inner wall of expanded bore (20).
4. a kind of high-strength bolt of fixation as described in claim 1, it is characterised in that: the head of the auxiliary rod (5)
Portion is a hemisphere (50), and the diameter of hemisphere (50) and the diameter of auxiliary rod (5) rest part are equal, hemisphere (50)
Top is located at the lower section of nut (3) lower surface.
5. a kind of high-strength bolt of fixation as described in claim 1, it is characterised in that: the nut (3) and compression
Lid (4) is an integral structure, at center of the auxiliary rod (5) by the inner bottom wall for being threaded onto clamping cap (4).
6. a kind of high-strength bolt of fixation as claimed in claim 5, it is characterised in that: the auxiliary rod (5) is twisted
The tightening direction of tight direction and nut (3) is opposite.
7. a kind of high-strength bolt of fixation as described in claim 1, it is characterised in that: partition seam (21) quantity
For 3-6 item, for partition seam (21) by the lower half portion equal part of screw rod (2), the shape size of all expansions valve (22) is identical.
8. a kind of high-strength bolt of fixation as described in claim 1, it is characterised in that: the interior bottom of the clamping cap (4)
Wall is equipped with a boss (41), and auxiliary rod (5) is fixed on boss (41), and the rest part of clamping cap (4) inner bottom wall is equipped with
Several through-holes (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821115995.6U CN208442144U (en) | 2018-07-13 | 2018-07-13 | A kind of high-strength bolt of fixation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821115995.6U CN208442144U (en) | 2018-07-13 | 2018-07-13 | A kind of high-strength bolt of fixation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208442144U true CN208442144U (en) | 2019-01-29 |
Family
ID=65085290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821115995.6U Expired - Fee Related CN208442144U (en) | 2018-07-13 | 2018-07-13 | A kind of high-strength bolt of fixation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208442144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561401A (en) * | 2018-07-13 | 2018-09-21 | 嘉兴涵祺汽配科技有限公司 | A kind of high-strength bolt of fixation |
-
2018
- 2018-07-13 CN CN201821115995.6U patent/CN208442144U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561401A (en) * | 2018-07-13 | 2018-09-21 | 嘉兴涵祺汽配科技有限公司 | A kind of high-strength bolt of fixation |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314300 No. 1 Qingshan Road, long wall Mountain Industrial Park, Haipu Town, Haiyan County, Jiaxing, Zhejiang Patentee after: Jiaxing Hanqi Auto Parts Technology Co., Ltd Address before: 314300 No. 1 Qingshan Road, long wall Mountain Industrial Park, Haipu Town, Haiyan County, Jiaxing, Zhejiang Patentee before: JIAXING HANQI AUTO PARTS TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 Termination date: 20210713 |