CN2799758Y - Dual-protection anti-theft cylinder lock - Google Patents
Dual-protection anti-theft cylinder lock Download PDFInfo
- Publication number
- CN2799758Y CN2799758Y CN 200520051011 CN200520051011U CN2799758Y CN 2799758 Y CN2799758 Y CN 2799758Y CN 200520051011 CN200520051011 CN 200520051011 CN 200520051011 U CN200520051011 U CN 200520051011U CN 2799758 Y CN2799758 Y CN 2799758Y
- Authority
- CN
- China
- Prior art keywords
- lock
- dead bolt
- dual
- projection
- lock body
- 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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- Burglar Alarm Systems (AREA)
Abstract
The utility model discloses a dual-protection theftproof ball lock, which comprises a lock body, a ball lock core, a lock tongue and a lock small casing matched with the lock tongue. The position of the lock body positioned below a lock tongue hole is provided with convex blocks. The position of the lock small casing positioned above the lock tongue hole is provided with grooves. The position of the lock small casing positioned below the lock tongue hole is provided with notches. The quantity, the size and the shape of the grooves and the notches are matched with the quantity, the size and the shape of the convex blocks. The utility model has the advantages of reasonable design, simple structure, good theftproof effect and high safety.
Description
Technical field
The utility model belongs to a kind of antitheft sylinder, is specifically related to a kind of dual-safety anti-theft cylinder lock.
Background technology
Known antitheft sylinder is made up of lock body, lock cylinder, dead bolt and the little shell of lock supporting with it, though the antitheft sylinder of this structure has certain anti-theft feature, but its weak point is to close behind the door, must lock 2 to 3 grades, if only lock 1 grade or have only 1 grade of antitheft sylinder, under keyless situation, can use and have certain degree of hardness and flexible sheet metal or plastic sheet are inserted lock body and the little shell of lock from door and doorframe joint joint, dead bolt is dialled back in the lock body, door promptly is opened, and provides opportunity to thief's theft like this.
The utility model content
The utility model has overcome the deficiency of existing anti-theft billiards lock technology, provide a kind of no matter under any circumstance, use has certain degree of hardness and flexible sheet metal or plastic sheet and inserts lock body and the joint of locking little shell from door and doorframe joint, dead bolt can't be dialled back the novel dual-safety anti-theft cylinder lock in the lock body.
The utility model has taked following technical proposals to realize: the utility model comprises lock body, lock cylinder, dead bolt and the lock little shell supporting with it, to be lock body be provided with projection being positioned at the dead bolt hole lower position to difference from prior art, lock little shell and be provided with groove being positioned at the dead bolt hole top position, be provided with breach being positioned at the dead bolt lower position, described projection can be 1,2 or polylith, length when the height of projection is shorter than dead bolt and stretches out, the number of described groove and breach and size shape and projection are complementary.
The utility model is owing to adopted above technical scheme, below lock body is positioned at dead bolt, projection is set, when use has certain degree of hardness and flexible sheet metal or plastic sheet and inserts the joint of lock body and the little shell of lock from door and doorframe joint, projection blocks sheet metal or plastic sheet, sheet metal or plastic sheet can't be dialled back dead bolt in the lock body, solve the insurmountable difficult problem of existing cylinder lock, really reached antitheft purpose.The utility model is reasonable in design, simple in structure, dual-safety anti-theft is effective, safe and reliable.
Description of drawings
Accompanying drawing is the utility model structural representation
In the drawings: 1, lock body 2, dead bolt 3, the little shell 4 of lock, dead bolt hole 5, projection 6, dead bolt hole 7, groove 8, breach
The specific embodiment
The utility model will be further described below in conjunction with the drawings and specific embodiments:
As shown in the figure: the utility model comprises lock body 1, lock cylinder, dead bolt 2 and the lock little shell 3 supporting with it, to be lock body 1 be provided with projection 5 being positioned at dead bolt hole 4 lower positions to difference from prior art, lock little shell 3 and be provided with groove 7 being positioned at dead bolt hole 6 top positions, be provided with breach 8 being positioned at dead bolt hole 6 lower positions, described projection 5 can be 2, length when the height of projection 5 is lower than dead bolt 2 minor faces and stretches out, the number of described groove 7 and breach 8 and size shape and projection 5 are complementary.
During use, lock body 1 and the little shell 3 of lock are installed in respectively on door and the doorframe, projection on the lock body 15 is stuck in the breach 8 through groove 7 and dead bolt hole 6 on the little shell 3 of lock at closing time, use this moment and have certain degree of hardness and flexible sheet metal or plastic sheet when door and doorframe joint are inserted lock body 1 and locked the joint of little shell 3, the projection 5 that is stuck in the breach 8 blocks sheet metal or plastic sheet, and sheet metal or plastic sheet can't return 2 groups of dead bolts in the lock body 1.
Claims (4)
1, a kind of dual-safety anti-theft cylinder lock, comprise lock body, lock cylinder, dead bolt and the lock little shell supporting with it, it is characterized in that described lock body is provided with projection being positioned at the dead bolt hole lower position, the little shell of described lock is provided with groove being positioned at the dead bolt hole top position, is provided with breach being positioned at the dead bolt lower position.
2, dual-safety anti-theft cylinder lock according to claim 1 is characterized in that described projection can be 1,2 or polylith.
Length when 3, dual-safety anti-theft cylinder lock according to claim 1, the height that it is characterized in that described projection are shorter than dead bolt and stretch out.
4, dual-safety anti-theft cylinder lock according to claim 1 is characterized in that the number of described groove and breach and size shape and projection are complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520051011 CN2799758Y (en) | 2005-06-06 | 2005-06-06 | Dual-protection anti-theft cylinder lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520051011 CN2799758Y (en) | 2005-06-06 | 2005-06-06 | Dual-protection anti-theft cylinder lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2799758Y true CN2799758Y (en) | 2006-07-26 |
Family
ID=36842256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520051011 Expired - Fee Related CN2799758Y (en) | 2005-06-06 | 2005-06-06 | Dual-protection anti-theft cylinder lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2799758Y (en) |
-
2005
- 2005-06-06 CN CN 200520051011 patent/CN2799758Y/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 |