CN201521537U - Anti-theft nut with tapered block inside - Google Patents
Anti-theft nut with tapered block inside Download PDFInfo
- Publication number
- CN201521537U CN201521537U CN2009202579600U CN200920257960U CN201521537U CN 201521537 U CN201521537 U CN 201521537U CN 2009202579600 U CN2009202579600 U CN 2009202579600U CN 200920257960 U CN200920257960 U CN 200920257960U CN 201521537 U CN201521537 U CN 201521537U
- Authority
- CN
- China
- Prior art keywords
- nut
- theft
- groove
- tapered block
- spring
- 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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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to an anti-theft nut with a tapered block inside, in particular to an anti-theft nut for fastening parts or components in field facilities, such as power systems, communications systems, highways and the like. The anti-theft nut comprises a nut body and is characterized in that a groove is arranged inside the nut body along the fastening direction of the nut, the tapered block and a spring are disposed inside the groove, a tip end of the tapered block faces the fastening direction of the nut, rear face of a big end of the tapered block is connected with the spring, and the groove is preferably reduced in depth from deep to shallow along the fastening direction of the nut. By adopting the structure, the anti-theft nut is more flexible without failure, and is capable of an anti-theft function.
Description
Technical field
The utility model relates to a kind of nut, particularly relate to a kind of in field facilities such as electric power system, communication system and expressway the anti-theft nut of fastenings or member.
Background technique
Existing anti-theft nut inside is: along the nut tightening direction from depth to shallow groove is arranged in nut inside, be placed with hoodle and spring in the groove; When tightening, inner spring retraction, and this spring will be in the compressed-bit state, thereby Anti-theft cap can be tightened, when unclamping anti-theft screw cap, its inner spring will be in stretched condition, and hoodle will be clamped between the screw bolt and nut, thereby make Anti-theft cap be in stuck state, play antitheft effect.Yet such nut is because clamp holder uses is steel ball, malfunctioningly sometimes do not reach antitheft purpose.
Summary of the invention
The purpose of this utility model is exactly at above-mentioned shortcoming, provide a kind of anti-theft effect better, anti-theft nut that can not be malfunctioning.
The anti-theft nut of tapering piece is arranged in the purpose of this utility model is achieved in that, comprise nut body, it is characterized in that: fluted in nut body inside along the nut tightening direction, be placed with tapering piece and spring in the groove; The tip of tapering piece is towards the direction of nut tightening, and the big end back of tapering piece connects spring; As preferred version: described groove is along nut tightening direction groove from depth to shallow.
The beneficial effects of the utility model are: since adopted above structure, such anti-theft nut have more flexible, can not be malfunctioning, more can play antitheft effect.
Description of drawings
Fig. 1 is the internal structure schematic representation that the anti-theft nut of tapering piece is arranged in the utility model
Wherein, 1, nut body 2, groove 3, tapering piece 4 springs
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
In the anti-theft nut of tapering piece is arranged, comprise nut body 1, it is characterized in that: fluted 2 in nut body 1 inside along the nut tightening direction, be placed with tapering piece 3 and spring 4 in the groove 2; The tip of tapering piece 3 is towards the direction of nut tightening, and the big end back of tapering piece 3 connects spring 4; As preferred version: described groove 2 is along nut tightening direction groove from depth to shallow.
Claims (2)
1. the anti-theft nut of tapering piece is arranged in, comprise nut body, it is characterized in that: fluted in nut body inside along the nut tightening direction, be placed with tapering piece and spring in the groove; The tip of tapering piece is towards the direction of nut tightening, and the big end back of tapering piece connects spring.
2. nut according to claim 1 is characterized in that: described groove is along nut tightening direction groove from depth to shallow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202579600U CN201521537U (en) | 2009-11-10 | 2009-11-10 | Anti-theft nut with tapered block inside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202579600U CN201521537U (en) | 2009-11-10 | 2009-11-10 | Anti-theft nut with tapered block inside |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201521537U true CN201521537U (en) | 2010-07-07 |
Family
ID=42507713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202579600U Expired - Fee Related CN201521537U (en) | 2009-11-10 | 2009-11-10 | Anti-theft nut with tapered block inside |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201521537U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675831A (en) * | 2015-03-06 | 2015-06-03 | 国家电网公司 | Anti-loosening bolt |
| CN104675835A (en) * | 2015-03-06 | 2015-06-03 | 国家电网公司 | Antitheft nut |
-
2009
- 2009-11-10 CN CN2009202579600U patent/CN201521537U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675831A (en) * | 2015-03-06 | 2015-06-03 | 国家电网公司 | Anti-loosening bolt |
| CN104675835A (en) * | 2015-03-06 | 2015-06-03 | 国家电网公司 | Antitheft nut |
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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: 20100707 Termination date: 20101110 |