CN201125572Y - Door rear safety anti-theft lock - Google Patents
Door rear safety anti-theft lock Download PDFInfo
- Publication number
- CN201125572Y CN201125572Y CNU2007200263888U CN200720026388U CN201125572Y CN 201125572 Y CN201125572 Y CN 201125572Y CN U2007200263888 U CNU2007200263888 U CN U2007200263888U CN 200720026388 U CN200720026388 U CN 200720026388U CN 201125572 Y CN201125572 Y CN 201125572Y
- Authority
- CN
- China
- Prior art keywords
- switch
- lock
- theft
- door
- safety anti
- 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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- Burglar Alarm Systems (AREA)
Abstract
The utility model provides a security anti-theft lock behind a gate, and belongs to an anti-theft device, which includes a lock cylinder arranged inside a gate body, the lock cylinder has a bolt, and a key jack in the lock cylinder is located behind the gate body, a hand hole is arranged on the gate body located above the key jack, the key jack of the security anti-theft lock is located behind the gate promotes the anti-theft performance because the hardness of opening or picking the lock by a theft is effectually promoted , though a house-owner has little inconvenience.
Description
Technical field
The utility model provides the device on a kind of door, especially a kind of anti-theft device.
Background technology
The existing mechanical lockset that is installed on the door, though structure is varied, key hole all is exposed at the outside of a body, and like this, the lawless person can insert various tool in the key hole, and lock is opened, and theftproof performance is relatively poor.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of safety anti-theft lock behind the door, to improve theftproof performance.
The utility model is achieved in that safety anti-theft lock behind the door, and it has the lock core that is installed in the body, and dead bolt is arranged on the lock core, and the key hole on the lock core is positioned at the back side of a body, on the door body above the key hole hand hole is arranged.
Adopt the safety anti-theft lock behind the door of said structure, key hole is positioned at behind the door, though unblank to have brought some inconvenience to owner since effectively improved by the lawless person unblank, the difficulty of picking lock, thereby improved theftproof performance.
Description of drawings
Fig. 1 is the schematic diagram of the utility model structure.
Fig. 2 is the circuit diagram of the warning device in the utility model.
The specific embodiment
Below in conjunction with description of drawings concrete structure of the present utility model and using method.
As shown in drawings, the safety anti-theft lock behind the door of the utility model, it has the lock core 5 that is installed in the body 1, and dead bolt 4 is arranged on the lock core, and the key hole 3 on the lock core is positioned at the back side of a body, on the door body above the key hole hand hole 2 is arranged.
During use, on doorframe, the lock nose is installed corresponding to the position of dead bolt.Close behind the door, dead bolt is stuck in the lock nose.When opening the door, hand is put in the door by hand hole, key is injected in the key hole, finish and unblank.
It also has warning device, near the touch-switch K1 that is installed in the key hole is being arranged on the warning device, be installed in another touch-switch K3 on a limit, side in addition, touch-switch K1, another touch-switch K3, time switch K2 and alarming horn B, power supply E are cascaded.Touch-switch K1 can adopt normal open switch, and another touch-switch K3 can adopt normally closed switch, and time switch K2 adopts normal open switch.During the contact key hole, K1 will be connected, time switch picks up counting, and in the time inward of setting, when opening another touch-switch immediately, alarming horn can not get.When the time inward of setting, time switch is not connected, and alarming horn gets the electric chimes of doom that sends.The setting of time switch time can be adjusted as required, as 5 seconds, 10 seconds, 15 seconds etc.Decide according to inserting key or being in contact with it when opening the door the concrete installation site of touch-switch K1, another touch-switch K3, and this is conspicuous to those skilled in the art.
The sound chip of curing can be installed in the alarming horn.Can send after electric police whistle sound because of or other alarm sounds.
Can there be the protecting cover that is hinged on the body hand hole outside.
Claims (2)
1, safety anti-theft lock behind the door is characterized in that, it has the lock core (5) that is installed in the body (1), and dead bolt (4) is arranged on the lock core, and the key hole on the lock core (3) is positioned at the back side of a body, on the door body above the key hole hand hole (2) is arranged.
2, safety anti-theft lock behind the door as claimed in claim 1, it is characterized in that, it also has warning device, near the touch-switch K1 that is installed in the key hole is being arranged on the warning device, be installed in another touch-switch K3 on a limit, side in addition, touch-switch K1, another touch-switch K3, time switch K2 and alarming horn B, power supply E are cascaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200263888U CN201125572Y (en) | 2007-08-27 | 2007-08-27 | Door rear safety anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200263888U CN201125572Y (en) | 2007-08-27 | 2007-08-27 | Door rear safety anti-theft lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201125572Y true CN201125572Y (en) | 2008-10-01 |
Family
ID=39999043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200263888U Expired - Fee Related CN201125572Y (en) | 2007-08-27 | 2007-08-27 | Door rear safety anti-theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201125572Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952269A (en) * | 2016-05-11 | 2016-09-21 | 安徽德盈安防科技有限公司 | Intelligent anti-theft lock and control method thereof |
-
2007
- 2007-08-27 CN CNU2007200263888U patent/CN201125572Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952269A (en) * | 2016-05-11 | 2016-09-21 | 安徽德盈安防科技有限公司 | Intelligent anti-theft lock and control method thereof |
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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: 20081001 Termination date: 20090928 |