CN101737405A - Anti-theft bolt component - Google Patents
Anti-theft bolt component Download PDFInfo
- Publication number
- CN101737405A CN101737405A CN200910102274A CN200910102274A CN101737405A CN 101737405 A CN101737405 A CN 101737405A CN 200910102274 A CN200910102274 A CN 200910102274A CN 200910102274 A CN200910102274 A CN 200910102274A CN 101737405 A CN101737405 A CN 101737405A
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- CN
- China
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- curved surface
- bolt
- nut
- bolt component
- theft bolt
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Abstract
An anti-theft bolt component comprises a bolt bar and nuts connected at two ends of the bolt bar. Each nut comprises a bottom surface and a spherical surface connected with the bottom surface. The spherical surface is composed of more than two continuous curved surfaces. The edge at one side of each curved surface is superposed with the other adjacent curved surface, and a retaining groove is arranged on the superposition position of the curved surface. Through holes are arranged along the center axes of the nuts and are provided with threads inside. The threads in the through holes are matched with the threads on the bolt bar. The structure that the spherical surface is directly combined with the bottom surface ensures the common spanners to fail to clamp and unscrew the bolt. Through the structure that the continuous curved surfaces are superposed with each other and the single-way retaining grooves are arranged on the superposition positions, the bolt can not be unscrewed by the same tools after being screwed down.
Description
Technical field
The present invention relates to a kind of bolt assembly, relate in particular to a kind of anti-theft bolt component.
Background technique
Bolt, nut are one group of flexible connection links commonly used.Bolt comprises that bolt head and bolt shank lead to, and its bolt head is outer regular hexagon or interior regular hexagon structure often.The bolt of this structure can use various Wrenchs to screw flexibly, but this also causes some establishments that connect in this way or equipment to be stolen, especially power equipment.200820027113.0 patent of invention discloses a kind of anti-theft bolt group, comprise bolt, fixture, bolt passes fixture, and tapered cup nut is tightened on the bolt, and tapered cup nut is on the fixture, the dismounting tapered sleeve is enclosed within outside the tapered cup nut, the tapered cup nut outer surface is conical, and dismounting tapered sleeve internal surface is conical, and keyway is arranged on the tapered cup nut, in the dismounting tapered sleeve protruding key is arranged, protruding bond energy is installed in the keyway.Steal the pumping well ground installation after can preventing to steal molecule dismounting inferior pyramidal nut.200810049323.4 patent application discloses a kind of antitheft bolt and nut and instrument thereof of unloading, on the inclined-plane of turriform nut, be less than or equal to the little end surface of nut and be provided with uniform zigzag fashion Ka Tai of a week, on the spanner turriform inwall that cooperates with nut, be provided with respective saw teeth shape Ka Tai.But this relating to, only need a screw-driver and wave just can knock open.In power industry, still there is not a kind of bolt can solve anti-pilferage problem at present.
Summary of the invention
The purpose of this invention is to provide a kind of anti-theft bolt component, be used two nuts at the bolt shank two ends, offer the groove of some single directions on the nut, can not disassemble by common wrench after making bolt screw to tighten.
Technological scheme of the present invention is:
A kind of anti-theft bolt component comprises bolt shank and the nut that is connected in the bolt shank two ends.Described nut comprises bottom surface and the sphere that is connected with the bottom surface, and described sphere is made up of two above continuous curve surfaces, and a side margin of curved surface is overlapped in another curved surface that is adjacent, and the curved surface overlapping is provided with draw-in groove.Medial axis along described nut offers through hole, and screw thread is arranged in the through hole, and with bolt shank on threads engaged.
When curved surface and curved surface are overlapping, can be by clockwise or counterclockwise folded mutually successively, thus the clockwise or anticlockwise draw-in groove of corresponding formation.
Described sphere is the ball face of 1/2-1/100, preferentially selects hemisphere face.This sphere is generally formed sphere by 2-10 continuous curve surface.Preferably, form described sphere by 5 continuous curve surfaces.
In order more effectively to make the nut retaining, described bottom surface is provided with clockwise or counterclockwise protruding stupefied more than 2, i.e. slideproof tooth.
By the draw-in groove of single direction (clockwise or counterclockwise) is set on the nut sphere, make screw on the nut tight after, can't turn on by identical instrument.Use sphere and the direct structure combining in bottom surface, also make common wrench hold nut and turn on.
The invention has the beneficial effects as follows:
Anti-theft bolt component of the present invention uses sphere and the direct structure combining in bottom surface, makes common wrench hold nut and turns on.
Overlapping and the structure of single direction draw-in groove is set by because more than two continuous curved surfaces at overlapping, make screw on the nut tight after, can't turn on by identical instrument.This structure applications can prevent effectively that equipment is stolen in power industry.
Description of drawings
Fig. 1 is anti-theft bolt component one an embodiment's of the present invention structural representation;
Fig. 2 is anti-theft bolt component one embodiment's nut structure schematic representation of the present invention.
Embodiment
Further specify structure characteristic of the present invention below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, anti-theft bolt component of the present invention comprises bolt shank 2 and the nut 1 that is connected in the bolt shank two ends.Bolt shank 2 is provided with screw thread 21.Nut 1 comprises bottom surface 11 and the sphere 12 that is connected with the bottom surface.
Medial axis along nut 1 offers through hole 13, and screw thread 131 is arranged in the through hole.
Bottom surface 11 is provided with more than 2 clockwise protruding stupefied 4, and promptly slideproof tooth makes the nut bottom surface more firm with combining of object surface, make screw on the nut tight after, can't turn on by identical instrument.
Claims (7)
1. anti-theft bolt component, comprise bolt shank and the nut that is connected in the bolt shank two ends, it is characterized in that: described nut comprises bottom surface and the sphere that is connected with the bottom surface, described sphere is made up of two above continuous curve surfaces, one side margin of curved surface is overlapped in another curved surface that is adjacent, and the curved surface overlapping is provided with draw-in groove; Medial axis along described nut offers through hole, and screw thread is arranged in the through hole, and with bolt shank on threads engaged.
2. anti-theft bolt component according to claim 1 is characterized in that: described sphere is the ball face of 1/2-1/100.
3. anti-theft bolt component according to claim 1 is characterized in that: curved surface and curved surface are overlapping in the direction of the clock.
4. anti-theft bolt component according to claim 1 is characterized in that: curved surface and curved surface are by counterclockwise overlapping.
5. anti-theft bolt component according to claim 1 is characterized in that: described sphere is made up of 2-10 continuous curve surface.
6. anti-theft bolt component according to claim 1 is characterized in that: described sphere is made up of 5 continuous curve surfaces.
7. anti-theft bolt component according to claim 1 is characterized in that: described bottom surface is provided with clockwise or protruding stupefied more than 2 counterclockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910102274A CN101737405A (en) | 2009-09-10 | 2009-09-10 | Anti-theft bolt component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910102274A CN101737405A (en) | 2009-09-10 | 2009-09-10 | Anti-theft bolt component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101737405A true CN101737405A (en) | 2010-06-16 |
Family
ID=42461301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910102274A Pending CN101737405A (en) | 2009-09-10 | 2009-09-10 | Anti-theft bolt component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101737405A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122912A (en) * | 2011-11-18 | 2013-05-29 | 河南省电力公司安阳供电公司 | Power tower antitheft bolt and special tool spanner thereof |
| CN104389886A (en) * | 2014-11-10 | 2015-03-04 | 国网河北衡水市桃城区供电有限责任公司 | Transformer anti-screwing bolt, nut as well as special self-disassembling tool and installation and disassembling method |
| CN108679074A (en) * | 2018-08-01 | 2018-10-19 | 海盐宇星螺帽有限责任公司 | A kind of washer-integrated type anti-theft capped screw nut |
-
2009
- 2009-09-10 CN CN200910102274A patent/CN101737405A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122912A (en) * | 2011-11-18 | 2013-05-29 | 河南省电力公司安阳供电公司 | Power tower antitheft bolt and special tool spanner thereof |
| CN104389886A (en) * | 2014-11-10 | 2015-03-04 | 国网河北衡水市桃城区供电有限责任公司 | Transformer anti-screwing bolt, nut as well as special self-disassembling tool and installation and disassembling method |
| CN108679074A (en) * | 2018-08-01 | 2018-10-19 | 海盐宇星螺帽有限责任公司 | A kind of washer-integrated type anti-theft capped screw nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100616 |