CN201714167U - Anti-theft door lock - Google Patents
Anti-theft door lock Download PDFInfo
- Publication number
- CN201714167U CN201714167U CN2010202213601U CN201020221360U CN201714167U CN 201714167 U CN201714167 U CN 201714167U CN 2010202213601 U CN2010202213601 U CN 2010202213601U CN 201020221360 U CN201020221360 U CN 201020221360U CN 201714167 U CN201714167 U CN 201714167U
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- CN
- China
- Prior art keywords
- door lock
- alarm
- lock
- lock core
- timer
- 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 relates to an anti-theft device, in particular to an anti-theft door lock as a microswitch of a current loop. The anti-theft door lock comprises a metal contact plate arranged on a lock core and two pole bars arranged on a lock sleeve. By the linkage of the door lock and an alarm, the metal contact plate can be in contact with the two pole bars only by contacting the rotary lock core of the door lock if the lock core has any micro-action, so that the two pole bars are electrically communicated with each other. The two pole bars are respectively connected with an anode switch and a cathode switch of a timer of the alarm; the two pole bars are communicated, so that switches of the timer are closed, and the alarm can be activated and can not give an alarm; when the timer counts down, if the door lock is not unlocked in the set time, so as to be the illegal unlocking, therefore, the alarm can give an alarm.
Description
Technical field
The utility model relates to a kind of anti-theft device that is used for, particularly a kind of safe-guard door lock as the current loop microswitch.
Background technology
Existing door lock does not generally possess the function as contactor, and people often wish that door lock also can be as a kind of anti-theft tool, for example, by the interlock of door lock and alarm, as long as touch door lock, alarm is activated but does not report to the police, the timer countdown of alarm by being activated is by judging whether in the time period of setting for normally unblanking, if also do not open at the time Inner door lock of setting, then be judged as illegally and unblank, thereby report to the police.
In view of the above problems, the utility model relates to a kind of safe-guard door lock.It has technical characterictic as mentioned below, to solve existing problem.
The utility model content
In order to solve the problems of the technologies described above, the utility model provide a kind of simple in structure, as the good safe-guard door lock of contactor effect.
A kind of safe-guard door lock of the present utility model comprises lock core and holds the lock tube of lock core, it is characterized in that the outer wall of described lock core is provided with at least one metal contact;
The outer wall of described lock core is coated with a layer insulating, and described insulating layer is between described metal contact and described lock core.
Above-mentioned safe-guard door lock is characterized in that, is provided with two extremely rods at the inwall of described lock tube.
Above-mentioned safe-guard door lock is characterized in that, described two extremely pottery and the described lock tube insulation of rod by being looped around described extremely excellent sidewall.
Interlock by door lock and alarm, as long as touch the door lock rotary locking cylinder, lock core has any small action, just thereby the metal contact can contact two extremely two of rod electric connections rods extremely, two extremely excellent both positive and negative polarity switches that connect the timer of alarm respectively, two extremely rod be connected, i.e. the switch closure of timer, alarm was activated but did not report to the police this moment, timer carries out countdown, if also do not open at the time Inner door lock of setting, then be judged as illegally and unblank, thereby alarm reported to the police.
Description of drawings
Fig. 1 is the structural representation of safe-guard door lock.
The specific embodiment
According to claim of the present utility model and the disclosed content of utility model content, embodiment specific as follows is described for the technical solution of the utility model:
Referring to shown in Figure 1, a kind of safe-guard door lock of the present utility model comprises lock core 100 and holds the lock tube 200 of lock core, and the outer wall of described lock core 100 is provided with at least one metal contact 120;
The outer wall of described lock core 100 is coated with a layer insulating 110, and described insulating layer 110 is between described metal contact 120 and described lock core 100.Insulating layer 110 is used for insulated metal contact 120 and described lock core 100.
Above-mentioned safe-guard door lock is characterized in that, is provided with two extremely rods 210,220 at the inwall of described lock tube.Two extremely rod 210,220 is connected with two contacts of the switch of the timer of alarm respectively, as long as lock core 100 rotates, metal contact 120 also rotates thereupon, two extremely rod 210,220 pass through metal contact 120 closures, also be the switch closure of timer.
Above-mentioned safe-guard door lock is characterized in that, described two extremely ceramic (not shown) and described lock tube 200 insulation of rod 210,220 by being looped around described extremely excellent sidewall.
Interlock by door lock and alarm, as long as touch the door lock rotary locking cylinder, lock core has any small action, just thereby the metal contact can contact two extremely two of rod electric connections rods extremely, two extremely excellent both positive and negative polarity switches that connect the timer of alarm respectively, two extremely rod be connected, i.e. the switch closure of timer, alarm was activated but did not report to the police this moment, timer carries out countdown, if also do not open at the time Inner door lock of setting, then be judged as illegally and unblank, thereby alarm reported to the police.
The foregoing description only is giving an example of the optional embodiment of the utility model, and its related feature only is used for explanation and sets forth the technical solution of the utility model, and is not used in qualification protection domain of the present utility model.
Claims (3)
1. safe-guard door lock comprises lock core and holds the lock tube of lock core, it is characterized in that the outer wall of described lock core is provided with at least one metal contact;
The outer wall of described lock core is coated with a layer insulating, and described insulating layer is between described metal contact and described lock core.
2. safe-guard door lock as claimed in claim 1 is characterized in that, is provided with two extremely rods at the inwall of described lock tube.
3. safe-guard door lock as claimed in claim 2 is characterized in that, described two extremely pottery and the described lock tube insulation of rod by being looped around described extremely excellent sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202213601U CN201714167U (en) | 2010-06-09 | 2010-06-09 | Anti-theft door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202213601U CN201714167U (en) | 2010-06-09 | 2010-06-09 | Anti-theft door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201714167U true CN201714167U (en) | 2011-01-19 |
Family
ID=43460165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202213601U Expired - Fee Related CN201714167U (en) | 2010-06-09 | 2010-06-09 | Anti-theft door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201714167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213048A (en) * | 2011-05-04 | 2011-10-12 | 西安慧晶智能科技有限公司 | Electronic anti-theft alarm lock core |
-
2010
- 2010-06-09 CN CN2010202213601U patent/CN201714167U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213048A (en) * | 2011-05-04 | 2011-10-12 | 西安慧晶智能科技有限公司 | Electronic anti-theft alarm lock core |
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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: 20110119 Termination date: 20110609 |