CN202731437U - Anti-theft pin tumbler lock - Google Patents
Anti-theft pin tumbler lock Download PDFInfo
- Publication number
- CN202731437U CN202731437U CN 201220363462 CN201220363462U CN202731437U CN 202731437 U CN202731437 U CN 202731437U CN 201220363462 CN201220363462 CN 201220363462 CN 201220363462 U CN201220363462 U CN 201220363462U CN 202731437 U CN202731437 U CN 202731437U
- Authority
- CN
- China
- Prior art keywords
- lock
- shaped groove
- pin tumbler
- dead bolt
- groove
- 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 anti-theft pin tumbler lock, which comprises a lock box (1), a lock groove (2) and a lock tongue (3). The anti-theft pin tumbler lock is characterized in that the tail part of the slope of the lock tongue (3) is provided with a V-shaped groove (4), the V-shaped groove (4) is vertical to the extending and retracting direction of the lock tongue, and the V-shaped groove (4) is positioned directly under a clamping joint of the lock box (1) and the lock groove (2) when the lock is locked. The anti-theft pin tumbler lock has the advantages that the structure is simple, the operation is convenient, and a thin sheet is effectively prevented from shifting the lock tongue.
Description
Technical field: the utility model relates to a kind of cylinder lock, particularly a kind of latch bolt class pin tumbler lock.
Technical background: latch bolt class pin tumbler lock is because of easy to use, and for users like, the user is very extensive, and the lawless person has retractility for latch bolt class pellet dead bolt, utilizes the instruments such as thin slice to stir the pellet dead bolt, opens the door lock burglary.Solution to this problem has two kinds at present, and the one, adopt the dual fail-safe cylinder lock, the 2nd, hide dead bolt, be 02207719.7 " Anti-theft cylinder lock " such as the patent No..Although these two kinds of methods play antitheft effect to a certain extent, the former also will insert key at closing time, and the twisting key blocks dead bolt, and not only cost is expensive for this dual fail-safe cylinder lock, uses also pretty troublesome; The latter arranges anti-plug at cylinder lock and locked groove and steals sheet metal, and this method had not only bothered but also affected attractive in appearancely, sometimes also can cause injury to the people of turnover.
Summary of the invention: the purpose of this utility model is exactly to solve the problem of mentioning in the above-mentioned background technology, and a kind of antitheft cylinder lock is provided.
The purpose of this utility model is achieved by the following technical solution.
Antitheft sylinder of the present utility model comprises lock box, locked groove and dead bolt, it is characterized in that, offers a V-shaped groove at the afterbody on dead bolt inclined-plane, and the flexible direction of this V-shaped groove and dead bolt is perpendicular, when sealed this V-shaped groove be positioned at lock box and locked groove crack under.
Owing to having offered a V-shaped groove at the pellet dead bolt, V-shaped groove is arranged in the crack of lock box and locked groove, when the lawless person inserts crack between a door and its frame with thin slice, thin slice can only insert along the crack of lock box and locked groove in the V-shaped groove of dead bolt, no matter how the lawless person swings thin slice, thin slice can only move in V-shaped groove, and the power that the lawless person imposes on thin slice is larger, thin slice must be tighter by the V-shaped groove card, thereby the lawless person can't stir dead bolt and opens door lock.
The utlity model has simple in structurely, easy to operate, can prevent effectively that thin slice from stirring the advantage of dead bolt.
Further set forth content of the present utility model below in conjunction with Figure of description and embodiment.
Description of drawings: figure is the utility model structural representation
The specific embodiment: such as figure, a kind of antitheft cylinder lock comprises lock box 1, locked groove 2 and dead bolt 3, it is characterized in that, offer a V-shaped groove 4 at the afterbody on dead bolt 3 inclined-planes, the flexible direction of this V-shaped groove 4 and dead bolt is perpendicular, when sealed this V-shaped groove 4 be positioned at lock box 1 and locked groove 2 crack under.
Claims (1)
1. antitheft cylinder lock, comprise lock box (1), locked groove (2) and dead bolt (3), it is characterized in that, afterbody on dead bolt (3) inclined-plane is offered a V-shaped groove (4), the flexible direction of this V-shaped groove (4) and dead bolt is perpendicular, when sealed this V-shaped groove (4) be positioned at lock box (1) and locked groove (2) crack under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220363462 CN202731437U (en) | 2012-07-26 | 2012-07-26 | Anti-theft pin tumbler lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220363462 CN202731437U (en) | 2012-07-26 | 2012-07-26 | Anti-theft pin tumbler lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202731437U true CN202731437U (en) | 2013-02-13 |
Family
ID=47657149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220363462 Expired - Fee Related CN202731437U (en) | 2012-07-26 | 2012-07-26 | Anti-theft pin tumbler lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202731437U (en) |
-
2012
- 2012-07-26 CN CN 201220363462 patent/CN202731437U/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: 20130213 Termination date: 20130726 |