CN203412391U - Tamper-resistant device of safety door - Google Patents
Tamper-resistant device of safety door Download PDFInfo
- Publication number
- CN203412391U CN203412391U CN201320377994.XU CN201320377994U CN203412391U CN 203412391 U CN203412391 U CN 203412391U CN 201320377994 U CN201320377994 U CN 201320377994U CN 203412391 U CN203412391 U CN 203412391U
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- China
- Prior art keywords
- lock housing
- alarm
- spring
- armature contact
- safety door
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- 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 a tamper-resistant device of a safety door. The tamper-resistant device comprises a bottom plate and a lock shell which are arranged on a door plate; a lock tongue, an alarm device and a battery are arranged in the lock shell; the battery is connected with the alarm device by a lead, so that a loop can be formed; the loop is internally provided with a trigger switch; the trigger switch comprises a fixed contact and a movable contact; the lock shell is also internally provided with an alarm trigger device; the movable contact is arranged on the alarm trigger device; the fixed contact is arranged on the bottom plate. The tamper-resistant device is simple in structure; when an anti-theft lock of the safety door is damaged, the loop of the battery and the alarm device is connected by the alarm trigger device, the alarm device makes a sound, and a signal is sent into a mobile phone of a house-owner, so that the tamper-resistant device has the theft-proof function.
Description
Technical field
The utility model relates to a kind of anti-theft lock for Safety door, specifically, relates to a kind of safety door latch anti-picking device.
background technology
Security door is the antitheft major measure in people house, and the anti-theft device of security door is a lot, but most of anti-theft device complex structure, cost of production is higher, and anti-theft effect is bad.When thief steals, enter the room situation about stealing that adopting forces open the door is the most common.The mode that thief forces open the door is mainly two kinds of picking lock, the stile pryings of prizing security door.
summary of the invention
The purpose of this utility model is to provide a kind of when theftproof lock or stile prying is destroyed or safety door anti-picking device that can automatic alarm while prying open.
The technical solution of the utility model: a kind of safety door anti-picking device, comprise the base plate and the lock housing that are arranged on door-plate, in lock housing, be provided with dead bolt, alarm and battery, battery and alarm connect and compose loop by wire, in loop, be provided with trigger switch, trigger switch comprises fixed contact and armature contact, in described lock housing, is provided with alarm triggering device, armature contact is arranged on alarm triggering device, and fixed contact is arranged on base plate.
As preferably, described alarm triggering device comprises the spring being arranged on base plate, and the end of spring is provided with jacking block, and armature contact is arranged on jacking block, between jacking block and lock housing top, is provided with strut.
As preferably, described alarm triggering device comprises the glass tube being arranged on base plate, and armature contact is arranged on glass tube, between glass tube and lock housing wall, is rigidly connected, and between armature contact and fixed contact, is provided with spring.
As preferably, described lock housing has keyhole, and keyhole place is provided with slide cover.
As preferably, described lock housing is provided with the stile prying that is positioned at dead bolt the place ahead near crack between a door and its frame place, and armature contact and stile prying are rigidly connected, and between armature contact and fixed contact, are provided with spring.
As preferably, described lock housing is provided with the stile prying that is positioned at dead bolt the place ahead near crack between a door and its frame place, and stile prying is rigidly connected with the glass tube being arranged in lock housing, and armature contact arranges on glass tube, between armature contact and fixed contact, is provided with spring.
The beneficial effects of the utility model: the utility model is simple in structure, when the theftproof lock of security door is destroyed, alarm triggering device will be connected battery and alarm loop, and alarm will be sounded, transmit a signal on house-owner's mobile phone simultaneously, thereby play antitheft effect.
accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the schematic diagram of door and safety lock;
Fig. 2 is that the sectional view in Fig. 1 is the structural representation of anti-picking device;
Fig. 3 is the structural representation of anti-picking device embodiment.
In figure: 1-door-plate, 2-spring, 3-top board, 4-fixed contact, 5-doorframe, 6-connecting rod, 7-armature contact, 8-block, 9-lock housing top, 10-strut, 11-slide cover, 12-handle, 13-glass tube, 14-base plate, 15-stile prying, 16-lock housing, 17-keyhole, 18-transverse slat, 19-cross bar, 20-support.
The specific embodiment
As depicted in figs. 1 and 2, safety door has door-plate 1, handle 12 and doorframe 5, base plate 14 and lock housing 16 are installed on door-plate 1, in lock housing 16, be provided with alarm and battery, battery and alarm connect and compose loop by wire, in loop, be provided with trigger switch, trigger switch comprises fixed contact 4 and armature contact 7, and fixed contact 4 is arranged on the support 20 being connected with base plate 14.Spring 2 is installed on base plate 14, and the top of spring 2 is provided with jacking block 3, and armature contact 7 is arranged on jacking block 3, between jacking block 3 and lock housing top 9, be provided with strut 10, under the effect of strut 10, spring 2 is in compressive state, and the armature contact 7 on jacking block 3 and fixed contact 4 are in contact condition not.When lock housing 16 is destroyed, strut 10 no longer supports jacking block 3, and now jacking block 3 is under the effect of spring 2, and armature contact 7 contacts with fixed contact 4, connects loop, and alarm is sounded, and also can transmit a signal on house-owner's mobile phone.Lock housing 16 has keyhole 17, and keyhole 17 places are provided with slide cover 11, and slide cover 11 is connected with return spring, and return spring can be common spring or hydraulic spring grease cup.While opening the lock with the key, must, by slide cover 11 upward slidings, then key could be inserted to keyhole 17.Slide cover 11 is slow return under the effect of return hydraulic spring grease cup.The time that can set slide cover 11 returns is S second, if open lock at the time S setting in second, during slide cover 11 return, alarm can not reported to the police.If surpass scheduled time S second, also do not open lock, alarm is reported to the police.In lock housing 16, be provided with transverse slat 18, on transverse slat 18, there is fixed contact 4, lock housing 16 is provided with stile prying 15 at crack between a door and its frame place, stile prying 15 is positioned at the place ahead of dead bolt, stile prying 15 is connected with block 8, on block 8, be connected with cross bar 19, armature contact 7 is arranged on the end of cross bar 19, between block 8 and transverse slat 18, is provided with spring 2.Because stile prying 15 is positioned at the place ahead of dead bolt, during thief's picking lock tongue, must first prize stile prying 15.When stile prying 15 is during by sled, stile prying 15 is toward the interior movement of lock housing 16, Compress Spring 2, and armature contact 7 contacts with fixed contact 4, circuit communication, alarm is sounded.
As shown in figures 1 and 3, safety door has door-plate 1, handle 12 and doorframe 5, base plate 14 and lock housing 16 are installed on door-plate 1, in lock housing 16, be provided with alarm and battery, battery and alarm connect and compose loop by wire, in loop, be provided with trigger switch, trigger switch comprises fixed contact 4 and armature contact 7, and fixed contact 4 is arranged on base plate 14.Glass tube 13 is installed on base plate 14, and armature contact 7 is arranged on glass tube 13, between glass tube 13 and lock housing top 9, by connecting rod 6, is connected.Between fixed contact 4 and armature contact 7, be provided with spring 2, in glass tube 13, be full of pressed gas, spring 2 is in extended state, and armature contact 7 and fixed contact 4 are in contact condition not.When lock housing 16 is destroyed, glass tube 13 is destroyed, and under the effect of spring 2, armature contact 7 contacts with fixed contact 4, connects loop, and alarm is sounded, or transmits a signal on house-owner's mobile phone.Keyhole 17 places in lock housing 16 are provided with slide cover 11, and slide cover 11 is connected with return spring, and return spring can be common spring or hydraulic spring grease cup.While opening the lock with the key, must, by slide cover 11 upward slidings, then key could be inserted to keyhole 17.Slide cover 11 is slow return under the effect of return hydraulic spring grease cup.The time that can set slide cover 11 returns is S second, if open lock at the time S setting in second, during slide cover 11 return, alarm can not reported to the police.If surpass scheduled time S second, also do not open lock, alarm is reported to the police.In lock housing 16, be provided with transverse slat 18, glass tube 13 is installed on transverse slat 18, glass tube 13 is full of pressed gas, and the end of glass tube 13 is provided with armature contact 7, is provided with fixed contact 4 on base plate 14, between fixed contact 4 and armature contact 7, is provided with spring 2.Lock housing 16 is provided with stile prying 15 at crack between a door and its frame place, and stile prying 15 is positioned at the place ahead of dead bolt, and stile prying 15 is connected with block 8, between block 8 and glass tube 13, by connecting rod 6, is connected.Because stile prying 15 is positioned at the place ahead of dead bolt, during thief's picking lock tongue, must first prize stile prying 15.When stile prying 15 is prized, connecting rod 6 will damage glass tube 13 by pressure, and after glass tube 13 is destroyed, under the effect of spring 2, armature contact 7 contacts with fixed contact 4, circuit communication, and alarm is sounded.
The utility model is not limited to above-mentioned two embodiment, can also be the combination of above-mentioned two embodiment, all belongs to protection domain of the present utility model.
Claims (6)
1. a safety door anti-picking device, comprise the base plate (14) and the lock housing (16) that are arranged on door-plate (1), lock housing is provided with dead bolt, alarm and battery in (16), battery and alarm connect and compose loop by wire, in loop, be provided with trigger switch, trigger switch comprises fixed contact and armature contact, it is characterized in that: described lock housing is provided with alarm triggering device in (16), armature contact is arranged on alarm triggering device, and fixed contact is arranged on base plate (14).
2. safety door anti-picking device according to claim 1, it is characterized in that, described alarm triggering device comprises the spring being arranged on base plate (14), the end of spring is provided with jacking block (3), it is upper that armature contact is arranged on jacking block (3), between jacking block (3) and lock housing top (9), is provided with strut (10).
3. safety door anti-picking device according to claim 1, it is characterized in that, described alarm triggering device comprises the glass tube (13) being arranged on base plate (14), armature contact is arranged on glass tube (13), between glass tube (13) and lock housing wall, be rigidly connected, between armature contact and fixed contact, be provided with spring.
4. according to the safety door anti-picking device described in claim 2 or 3, it is characterized in that, described lock housing (16) has keyhole (17), and keyhole (17) locates to be provided with slide cover (11).
5. safety door anti-picking device according to claim 4, it is characterized in that, described lock housing (16) is provided with near crack between a door and its frame place the stile prying (15) that is positioned at dead bolt the place ahead, and armature contact and stile prying (15) are rigidly connected, and between armature contact and fixed contact, are provided with spring.
6. safety door anti-picking device according to claim 4, it is characterized in that, described lock housing (16) is provided with near crack between a door and its frame place the stile prying (15) that is positioned at dead bolt the place ahead, stile prying (15) is rigidly connected with the glass tube (13) being arranged in lock housing (16), it is upper that armature contact arranges glass tube (13), between armature contact and fixed contact, is provided with spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320377994.XU CN203412391U (en) | 2013-06-16 | 2013-06-16 | Tamper-resistant device of safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320377994.XU CN203412391U (en) | 2013-06-16 | 2013-06-16 | Tamper-resistant device of safety door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412391U true CN203412391U (en) | 2014-01-29 |
Family
ID=49975287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320377994.XU Expired - Fee Related CN203412391U (en) | 2013-06-16 | 2013-06-16 | Tamper-resistant device of safety door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203412391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133955A (en) * | 2015-07-06 | 2015-12-09 | 杨贵华 | Safe intelligent lock system |
| CN106593113A (en) * | 2016-12-08 | 2017-04-26 | 黎娜 | Embedded type electronic lock and anti-theft door with electronic lock |
| CN109184500A (en) * | 2018-08-31 | 2019-01-11 | 四川美萨门窗有限公司 | A kind of anti-theft alarm window |
-
2013
- 2013-06-16 CN CN201320377994.XU patent/CN203412391U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133955A (en) * | 2015-07-06 | 2015-12-09 | 杨贵华 | Safe intelligent lock system |
| CN106593113A (en) * | 2016-12-08 | 2017-04-26 | 黎娜 | Embedded type electronic lock and anti-theft door with electronic lock |
| CN109184500A (en) * | 2018-08-31 | 2019-01-11 | 四川美萨门窗有限公司 | A kind of anti-theft alarm window |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20140616 |
|
| EXPY | Termination of patent right or utility model |