CN202628742U - Fastening device capable of preventing loosening - Google Patents
Fastening device capable of preventing loosening Download PDFInfo
- Publication number
- CN202628742U CN202628742U CN 201220187493 CN201220187493U CN202628742U CN 202628742 U CN202628742 U CN 202628742U CN 201220187493 CN201220187493 CN 201220187493 CN 201220187493 U CN201220187493 U CN 201220187493U CN 202628742 U CN202628742 U CN 202628742U
- Authority
- CN
- China
- Prior art keywords
- screw
- clamping block
- fastener
- locking block
- counterbore
- 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
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Abstract
The utility model relates to a fastening device capable of preventing loosening. The device comprises a first fastened piece, a second fastened piece, a locking block and a counter bore, wherein the first fastened piece and the second fastened piece are fixed by a screw; a nut section of the screw is arranged in the counter bore which is formed in the upper surface of the first fastened piece; the locking block is arranged in the counter bore; a hexagonal inner hole is formed in the locking block; the nut section of the screw is inserted into the hexagonal inner hole; the screw cannot rotate around the locking block; the appearance of the locking block is not round; and the locking block cannot rotate in the counter bore. The fastening device is arranged in the counter bore by the locking block, and the locking block cannot rotate around the counter bore; and the hexagonal inner hole is formed in the locking block and is sleeved at the nut section of the screw so as to prevent the rotation of the screw to realize the loosening prevention of the fastening device. The fastening device is obvious in effect and high in practicability.
Description
Technical field
The utility model relates to a kind of improvement of securing means, especially relates to a kind of device that prevents that securing means is loosening, belongs to the securing means technical field.
Background technique
At present, common securing means comprises first fastener, second fastener; Said first fastener, second fastener are fixed through screw or bolt assembly; The securing means of this structure, if be applied under the violent situation of vibrations, screw or bolt assembly are easy to generate loosening, thereby influence fastening effect.
The model utility content
The utility model purpose be provide for the deficiency that overcomes existing technology a kind of prevent securing means loosening can locking securing means.
For achieving the above object, the technological scheme that the utility model adopts is: a kind of can locking securing means, comprise first fastener, second fastener, clamping block, counterbore; Said first fastener, second fastener pass through screw; The nut segment of said screw is arranged in the counterbore of upper surface of first fastener; Said clamping block is arranged in the counterbore, and said clamping block is provided with the hexagonal endoporus; The nut segment of said screw is inserted in the hexagonal endoporus, and said screw can not rotate around clamping block; The profile of said clamping block is non-circular, and said clamping block can not rotate in counterbore.
Preferably, said clamping block is ellipse or triangle.
Preferably, said clamping block is fixed by welding in first fastener.
The beneficial effect of the utility model is mainly reflected in: the utility model is described can locking securing means, is arranged in the counterbore through clamping block, and said clamping block can not rotate around counterbore; Said clamping block is provided with the hexagonal endoporus, and said hexagonal inner hole sleeve is located at the nut segment of screw, thus can and prevent the rotation of screw, realize the locking of securing means; The utility model scheme effect is obvious, and is practical.
Description of drawings
Below in conjunction with accompanying drawing the utility model technological scheme is described further:
Accompanying drawing 1 is the sectional view of the described plan view that can locking securing means of the utility model;
Accompanying drawing 2 is the described plan view that can locking securing means of the utility model;
Wherein: 1, first fastener; 2, second fastener; 3, screw; 5, clamping block; 6, counterbore; 7, weld seam.
Embodiment
As accompanying drawing 1, the utility model shown in 2 described a kind of can locking securing means, comprise first fastener 1, second fastener 2, clamping block 5, counterbore 6; Said first fastener 1, second fastener 2 are fixing through screw 3; The nut segment of said screw 3 is arranged in the counterbore 6 of upper surface of first fastener 1; Said clamping block 5 is arranged in the counterbore 6, and said clamping block 5 is provided with the hexagonal endoporus; The nut segment of said screw 3 is inserted in the hexagonal endoporus, and said screw 3 can not rotate around clamping block 5; The profile of said clamping block 5 is non-circular, and said clamping block 5 can not rotate in counterbore 6; Said clamping block 5 is ellipse or triangle; The said clamping block 5 and first fastener 1 are fixed together through the weld seam 7 of welding.
The beneficial effect of the utility model is mainly reflected in: the utility model is described can locking securing means, is arranged in the counterbore through clamping block, and said clamping block can not rotate around counterbore; Said clamping block is provided with the hexagonal endoporus, and said hexagonal inner hole sleeve is located at the nut segment of screw, thus can and prevent the rotation of screw, realize the locking of securing means; The utility model scheme effect is obvious, and is practical.
Below only be the concrete exemplary applications of the utility model, the protection domain of the utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technological scheme of formation, all drop within the utility model rights protection scope.
Claims (3)
- One kind can locking securing means, comprise first fastener, second fastener, clamping block, counterbore; Said first fastener, second fastener pass through screw; It is characterized in that: the nut segment of said screw is arranged in the counterbore of upper surface of first fastener; Said clamping block is arranged in the counterbore, and said clamping block is provided with the hexagonal endoporus; The nut segment of said screw is inserted in the hexagonal endoporus, and said screw can not rotate around clamping block; The profile of said clamping block is non-circular, and said clamping block can not rotate in counterbore.
- 2. according to claim 1 can locking securing means, it is characterized in that: said clamping block is ellipse or triangle.
- 3. according to claim 1 and 2 can locking securing means, it is characterized in that: said clamping block is fixed by welding in first fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187493 CN202628742U (en) | 2012-04-28 | 2012-04-28 | Fastening device capable of preventing loosening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187493 CN202628742U (en) | 2012-04-28 | 2012-04-28 | Fastening device capable of preventing loosening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628742U true CN202628742U (en) | 2012-12-26 |
Family
ID=47381947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220187493 Expired - Fee Related CN202628742U (en) | 2012-04-28 | 2012-04-28 | Fastening device capable of preventing loosening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628742U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161813A (en) * | 2013-01-08 | 2013-06-19 | 上海核工程研究设计院 | Anti-loose fastener for connection of nuclear power equipment |
| CN108131457A (en) * | 2016-12-01 | 2018-06-08 | 中核苏阀科技实业股份有限公司 | A kind of anti-loose structure suitable for shut-off valve screw thread valve seat |
| CN114033777A (en) * | 2021-12-06 | 2022-02-11 | 苏州森奇成型科技有限公司 | Corrosion-resistant fixing screw for improving three-dimensional splicing strength of plates and use method |
-
2012
- 2012-04-28 CN CN 201220187493 patent/CN202628742U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161813A (en) * | 2013-01-08 | 2013-06-19 | 上海核工程研究设计院 | Anti-loose fastener for connection of nuclear power equipment |
| CN103161813B (en) * | 2013-01-08 | 2015-03-25 | 上海核工程研究设计院 | Anti-loose fastener for connection of nuclear power equipment |
| CN108131457A (en) * | 2016-12-01 | 2018-06-08 | 中核苏阀科技实业股份有限公司 | A kind of anti-loose structure suitable for shut-off valve screw thread valve seat |
| CN114033777A (en) * | 2021-12-06 | 2022-02-11 | 苏州森奇成型科技有限公司 | Corrosion-resistant fixing screw for improving three-dimensional splicing strength of plates and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20130428 |