CN201818623U - Anti-theft nut with short anti-theft groove - Google Patents
Anti-theft nut with short anti-theft groove Download PDFInfo
- Publication number
- CN201818623U CN201818623U CN2010205113855U CN201020511385U CN201818623U CN 201818623 U CN201818623 U CN 201818623U CN 2010205113855 U CN2010205113855 U CN 2010205113855U CN 201020511385 U CN201020511385 U CN 201020511385U CN 201818623 U CN201818623 U CN 201818623U
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- Prior art keywords
- nut
- groove
- theft
- nut body
- tightens
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- Expired - Fee Related
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Abstract
The utility model relates to an anti-theft nut which is applied in power systems, communication systems, highways and other field facilities, in particular to an anti-theft nut with a short anti-theft groove. The anti-theft nut with the short anti-theft groove comprises a nut body and a protective outer sleeve, wherein the external part of the nut body comprises a cylindrical structure, the protective outer sleeve comprises a structure with the internal part wrapping the nut body and the external part in the shape of a hexagonal prism, the protective outer sleeve and the nut body are embedded and combined, a tightening groove which changes from deep to shallow along the tightening direction is arranged in the nut body, and the anti-theft nut is characterized in that the radian of the tightening groove is less than or equal to 30 degrees, and a steel ball is arranged in the tightening groove. The anti-theft nut has the advantages of convenience in mounting, simple structure and low manufacturing cost.
Description
Technical field
The utility model relates to anti-theft nut, and it applies to field facilities such as electric power system, communication system and expressway, the antitheft groove anti-theft nut of particularly a kind of weak point.
Background technique
In the prior art, enclasping type anti-theft nut inside have an edge tighten direction from depth to shallow tighten groove, tighten and have steel ball and spring in the groove, like this anti-theft nut inside to tighten groove just long, with regard to the nut of same inner diameter, this radian that tightens groove is just bigger, such anti-theft nut is because there are steel ball and spring in the inside, and its structure causes the cost height with regard to more complicated, because it has the long groove that tightens, the silk mouthful performance of nut will reduce in addition.
Summary of the invention
The purpose of this utility model is exactly at above-mentioned shortcoming, provides a kind of and is convenient to install, simple in structure, anti-theft nut---short antitheft groove anti-theft nut that fabricating cost is low.
The purpose of this utility model is achieved in that short antitheft groove anti-theft nut, comprise nut body and protective coat, the nut body outside has cylindrical structural, protective coat has inside and has parcel nut body, outside and have the hexagon structure, protective coat and nut body are inlayed combination, nut body inside have along tighten direction from depth to shallow tighten groove, it is characterized in that: the described little hand of radian that tightens groove equals 30 °, and inside has steel ball.
The beneficial effects of the utility model are: the groove anti-theft nut of this spline structure have be convenient to install, simple in structure, fabricating cost is low advantage.
Description of drawings
Fig. 1 is the structural representation of the short antitheft groove anti-theft nut of the utility model inside.
Wherein, 1, nut body 2, protective coat 3, tighten groove 4, steel ball α---tighten the radian of groove
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, short antitheft groove anti-theft nut, comprise nut body 1 and protective coat 2, this 1 external body of nut has cylindrical structural, protective coat 2 has inside and has parcel nut body 1, outside and have the hexagon structure, protective coat 2 and nut body 1 are inlayed combination, nut body inside have along tighten direction from depth to shallow tighten groove 3, it is characterized in that: the described radian measure alpha of groove 3 that tightens is smaller or equal to 30 °, be can reach the purpose of this utility model equally under 25 °, 20 °, 15 ° 10 ° the situation at radian, inside has steel ball 4.
Owing to adopted littler radian, saved the spring of prior art, have advantages of simple structure and simple.
Claims (5)
1. lack antitheft groove anti-theft nut, comprise nut body and protective coat, the nut body outside has cylindrical structural, protective coat has inside and has parcel nut body, outside and have the hexagon structure, protective coat and nut body are inlayed combination, nut body inside have along tighten direction from depth to shallow tighten groove, it is characterized in that: the described radian that tightens groove is smaller or equal to 30 °, and inside has steel ball.
2. nut according to claim 1 is characterized in that: the described radian of groove that tightens is smaller or equal to 25 °.
3. nut according to claim 1 is characterized in that: the described radian of groove that tightens is smaller or equal to 20 °.
4. nut according to claim 1 is characterized in that: the described radian of groove that tightens is smaller or equal to 15 °.
5. nut according to claim 1 is characterized in that: the described radian of groove that tightens is smaller or equal to 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205113855U CN201818623U (en) | 2010-08-31 | 2010-08-31 | Anti-theft nut with short anti-theft groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205113855U CN201818623U (en) | 2010-08-31 | 2010-08-31 | Anti-theft nut with short anti-theft groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818623U true CN201818623U (en) | 2011-05-04 |
Family
ID=43916579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205113855U Expired - Fee Related CN201818623U (en) | 2010-08-31 | 2010-08-31 | Anti-theft nut with short anti-theft groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818623U (en) |
-
2010
- 2010-08-31 CN CN2010205113855U patent/CN201818623U/en not_active Expired - Fee Related
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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: 20110504 Termination date: 20110831 |