CN2815616Y - Inside calipers type dismantling wrench for anti-theft bolt - Google Patents
Inside calipers type dismantling wrench for anti-theft bolt Download PDFInfo
- Publication number
- CN2815616Y CN2815616Y CN 200520031419 CN200520031419U CN2815616Y CN 2815616 Y CN2815616 Y CN 2815616Y CN 200520031419 CN200520031419 CN 200520031419 CN 200520031419 U CN200520031419 U CN 200520031419U CN 2815616 Y CN2815616 Y CN 2815616Y
- Authority
- CN
- China
- Prior art keywords
- sleeve
- spanner
- theft bolt
- overcoat
- empty tube
- 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
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a kind of inside plain calipers formula dismounting spanner of the anti-theft bolt of on highway the anti-theft bolt of fixed protection breast board being dismantled, comprise that one is the sleeve of empty tube for spanner, other end, overcoat on sleeve outer surface, on the empty tube circumference barrel of one in sleeve, have through hole, between overcoat and sleeve, in through hole, be movably installed with claw by spring, have simple in structure, convenient and practical, dismantle advantage rapidly.
Description
Technical field
The utility model belongs to the instrument of dismantling securing member, relates in particular to a kind of inside plain calipers formula dismounting spanner of the anti-theft bolt of on highway the anti-theft bolt of fixed protection breast board being dismantled.
Background technology
At present, make a general survey of the connecting bolt of the fixed protection breast board on the domestic highway, all be that traditional protective cover adds five square nuts, or protective cover and nut one add forms such as screwing from all directions nut, can not play real anti-theft effect, the offender is easy to simple self-control spanner or pipe wrench nut be laid down, and protective plate is stolen sold waste product, not only China's express way driving safety is constituted serious unsafe factor, and national wealth is caused tremendous loss.At this situation, another technical scheme has proposed a kind of anti-theft bolt, and this anti-theft bolt needs special-purpose dismounting spanner just can dismantle.
Summary of the invention
The purpose of this utility model is to overcome deficiency of the prior art and a kind of simple in structure, convenient and practical, inside plain calipers formula dismounting spanner of dismantling anti-theft bolt rapidly is provided.
The purpose of this utility model is achieved in that and comprises that is a spanner, the other end is the sleeve of empty tube, on the outer surface of sleeve, be set with the overcoat that on sleeve outer surface, slides, on empty circumference barrel of one in sleeve, have through hole, between overcoat and sleeve, in through hole, be movably installed with claw by spring, when overcoat when claw slides, overcoat will expose the claw of through hole on the circumference barrel of empty tube and compress into empty tube inwall and outstanding empty tube inner wall surface, when overcoat slided in the other direction, claw ejected under the effect of spring outside the empty through hole on the circumference barrel.External diameter of empty tube of sleeve is greater than the external diameter of one of box spanner, is enclosed within outward on the external diameter of one of spanner to slide, and is limited on this external diameter by back-up ring.
The utlity model has simple in structure, convenient and practical, dismantle advantage rapidly.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a tube-in-tube structure schematic diagram of the present utility model.
The specific embodiment
As shown in Figure 1, 2, the utility model comprises that one is the sleeve 3 of empty tube 2 for spanner 1, other end, on sleeve 3, be set with on sleeve, slide overcoat 4 arranged, on empty 2 circumference barrel of 3 one in sleeve, have through hole 5, between overcoat 4 and sleeve 3, in through hole 5, be movably installed with claw 7 by spring 6.When overcoat when claw slides, overcoat will expose the claw of through hole on the circumference barrel of empty tube and compress into empty tube inwall and outstanding empty tube inner wall surface, at this moment, block interior seven sides' the plane of the nut of anti-theft bolt by claw, promptly the nut of anti-theft bolt can be screwed out overcoat, finish unloading process; When overcoat slided in the other direction, claw ejected under the effect of spring outside the empty through hole on the circumference barrel, finished the process to the nut insertion of anti-theft bolt this moment.
2 one external diameters of empty tube of sleeve 3 are greater than the external diameter of 1 one of sleeve 3 spanners, and overcoat 4 slides on the external diameter of 1 one of spanners, and is limited on this external diameter by back-up ring 8.The spanner that sleeve is 3 one is six square nuts.
Claims (3)
1, a kind of inside plain calipers formula of anti-theft bolt dismounting spanner, comprise that one is the sleeve (3) of empty tube (2) for spanner (1), other end, it is characterized in that: on sleeve (3), be set with the overcoat (4) that on sleeve, slides, on the circumference barrel of the empty tube (2) of (3) one in sleeve, have through hole (5), between overcoat (4) and sleeve (3), in through hole (5), be movably installed with claw (7) by spring (6).
2, the inside plain calipers formula of a kind of anti-theft bolt according to claim 1 dismounting spanner, it is characterized in that: (2) external diameters of empty tube of sleeve (3) are greater than the external diameter of (1) one of sleeve (3) spanner, overcoat (4) slides on the external diameter of (1) one of spanner, and is limited on this external diameter by back-up ring (8).
3, the inside plain calipers formula of a kind of anti-theft bolt according to claim 1 dismounting spanner, it is characterized in that: the spanner that sleeve is (3) is six square nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520031419 CN2815616Y (en) | 2005-08-02 | 2005-08-02 | Inside calipers type dismantling wrench for anti-theft bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520031419 CN2815616Y (en) | 2005-08-02 | 2005-08-02 | Inside calipers type dismantling wrench for anti-theft bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2815616Y true CN2815616Y (en) | 2006-09-13 |
Family
ID=36995417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520031419 Expired - Fee Related CN2815616Y (en) | 2005-08-02 | 2005-08-02 | Inside calipers type dismantling wrench for anti-theft bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2815616Y (en) |
-
2005
- 2005-08-02 CN CN 200520031419 patent/CN2815616Y/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 | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Designer after: Liu Hongwei Designer after: Chen Wei Designer after: Zhang Hongquan Designer after: Zhu Dazhi Designer after: Niu Ling Designer after: Wang Kan Designer before: Liu Hongwei Designer before: Chen Wei Designer before: Zhang Hongquan Designer before: Zhu Dazhi |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: LIU HONGWEI; CHEN WEI; ZHANG HONGQUAN; ZHU DAZHI TO: LIU HONGWEI; CHEN WEI; ZHANG HONGQUAN; ZHU DAZHI; NIU LING; WANG KAN |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |