CN2765828Y - Spare tyre burglar alarm - Google Patents
Spare tyre burglar alarm Download PDFInfo
- Publication number
- CN2765828Y CN2765828Y CNU2004200572337U CN200420057233U CN2765828Y CN 2765828 Y CN2765828 Y CN 2765828Y CN U2004200572337 U CNU2004200572337 U CN U2004200572337U CN 200420057233 U CN200420057233 U CN 200420057233U CN 2765828 Y CN2765828 Y CN 2765828Y
- Authority
- CN
- China
- Prior art keywords
- section
- nut
- boss
- circle
- sleeve
- 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 an automobile spare tire anti-theft device. A nut is screwed on a bolt. One end of the nut is provided with a shoulder and the other end of the nut is provided with a boss with the cross section of non-circle or non-standard polygon. An anti-theft cylinder is sheathed on the convex shoulder. The boss is embedded in an inner cylinder of the anti-theft cylinder. The inner surface of the opened end of a sleeve is the cross section of non-circle or non-standard polygon, which is the same with the cross section of the boss and the dimension of the inner surface of the opened end is slightly greater than that of the cross section of the boss. Thus, the sleeve can drive the nut to rotate. The center of the bottom edge of the sleeve is provided with a shaft center hole driven by a rapid speed wrench. The utility model has the advantages of convenient disassembly, rapidness and strong anti-theft ability.
Description
(1), technical field
The utility model relates to a kind of automobile spare tire Car Burglar Alarm.
(2), background technology
At present, automobile particularly truck is generally hung spare tyre in the vehicle body stage with tire, by having rotated suspension rod loading and unloading spare tyre.Stolen in order to prevent spare tyre, with iron chains, steel rope etc. itself and vehicle body are pinned usually.Because troublesome poeration is wasted time and energy, and makes navigating mate feel very inconvenient.The rainy day padlock is very easily intake, and is difficult to open after getting rusty, and has more increased the difficulty of going with spare tyre.And lockset is easy to be destroyed by the robber, and anti-theft capability is poor.It is stolen that spare tyre is often met with, and often do not have the effect of spare tyre.
(3), summary of the invention
In order to overcome the shortcoming of prior art, the utility model provides a kind of spare tyre Car Burglar Alarm, and it is convenient disassembly, quick not only, and anti-theft capability is strong.
The technical scheme in the invention for solving the technical problem is: screw nut on the bolt, one end of nut has convex shoulder, the other end has the boss of non-circle or non-standard polygonal cross-section, be with antitheft tube on the described convex shoulder, antitheft tube is embedded in described boss in its inner core, the inside face of sleeve openings end is non-circle or the non-standard polygonal cross-section identical with described boss cross-sectional plane, that size is big slightly, make it drive nut and rotate, there is the axle center hole that can be driven by speed wrench at the center of sleeve bottom edge.
Because nut adopts the design of non-circle or non-standard polygonal cross-section boss, and projection section is embedded in the antitheft tube, so except cooresponding sleeve energy drive nut rotated with it, other instrument was all powerless, convenient disassembly, quick not only, and anti-theft capability is strong.
(4), description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing is the utility model cutaway view.
(5), the specific embodiment
As shown in drawings, screw nut 2 on the bolt 1, there is convex shoulder the upper end of nut 2, and there is the boss of non-circle or non-standard polygonal cross-section the lower end.Described non-circle or non-standard polygonal cross-section are the scalene pentagon.Be with antitheft tube 3 on the described convex shoulder, antitheft tube 3 is embedded in described boss in its inner core.The inside face of sleeve 4 open ends is non-circle or the non-standard polygonal cross-section identical with described boss cross-sectional plane, that size is big slightly, makes it drive nut 2 and rotates, and there is the axle center hole that can be driven by speed wrench 5 at the center on sleeve 4 bases.During use, bolt 1 is passed from the automobile spare tire fixed orifice, spare tyre is through on the bolt 1, the nut 2 that puts antitheft tube 3 is spun on the bolt 1, and with sleeve 4 and speed wrench 5 spare tyre is tightened and to be got final product.
Claims (2)
1, a kind of spare tyre Car Burglar Alarm, it is characterized in that: screw nut 2 on the bolt 1, one end of nut 2 has convex shoulder, the other end has the boss of non-circle or non-standard polygonal cross-section, be with antitheft tube 3 on the described convex shoulder, antitheft tube 3 is embedded in described boss in its inner core, and the inside face of sleeve 4 open ends is non-circle or the non-standard polygonal cross-section identical with described boss cross-sectional plane, that size is big slightly, make it drive nut 2 and rotate, there is the axle center hole that can be driven by speed wrench 5 at the center on sleeve 4 bases.
2, spare tyre Car Burglar Alarm according to claim 1 is characterized in that: described non-circle or non-standard polygonal cross-section are the scalene pentagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200572337U CN2765828Y (en) | 2004-11-19 | 2004-11-19 | Spare tyre burglar alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200572337U CN2765828Y (en) | 2004-11-19 | 2004-11-19 | Spare tyre burglar alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2765828Y true CN2765828Y (en) | 2006-03-22 |
Family
ID=36606492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200572337U Expired - Fee Related CN2765828Y (en) | 2004-11-19 | 2004-11-19 | Spare tyre burglar alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2765828Y (en) |
-
2004
- 2004-11-19 CN CNU2004200572337U patent/CN2765828Y/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 | ||
| 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 |