CN2799760Y - Safety door bolt - Google Patents
Safety door bolt Download PDFInfo
- Publication number
- CN2799760Y CN2799760Y CN 200520090433 CN200520090433U CN2799760Y CN 2799760 Y CN2799760 Y CN 2799760Y CN 200520090433 CN200520090433 CN 200520090433 CN 200520090433 U CN200520090433 U CN 200520090433U CN 2799760 Y CN2799760 Y CN 2799760Y
- Authority
- CN
- China
- Prior art keywords
- door lock
- door
- type contact
- sides
- groove type
- 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
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to a safety door bolt which mainly comprises a W-shaped handle limiter of a door lock, a rotatable metal fixing jacket, a groove type contact point, an alarm controlling case, etc., wherein the handle limiter of a door lock is formed by welding three steel bars on a steel plate, wherein the steel bars on both sides are equilong, and the middle steel bar is longer than the steel bars on both of the two sides. The rotatable metal fixing jacket is arranged on the indoor portion of the door lock and door plates on both sides of the door lock. The groove type contact point is arranged above a groove body of a door frame bolt. The alarm controlling case is provided with a loudspeaker, a control circuit board and a dry battery unit. The rotatable metal fixing jacket and the groove type contact point are both connected with the control circuit board in the alarm controlling case by wires. Compared with the prior art, the utility model has the characteristics of simplicity, utility, and convenient assembly and disassembly. The utility model is additionally arranged on the existing door lock, the problem that a stranger can not open the door lock outside a door when a person is in the room can be solved, and thus, the antitheft and alarm purpose is obtained.
Description
Technical field
The utility model relates to a kind of home-use safety theftproof device, particularly relate to a kind of safety door-bolt of asking that the thief commits theft from the external-open chamber of locking, room night of preventing, be to the replenishing of existing burglar alarm kind, belong to safety apparatus, suitable town and country are common, and other installs and uses.
Background technology
At present, existing burglar alarm kind is a lot, the existing thief of preventing enters from door, also have to prevent that the thief from entering from window, substantially all be medium-to-high grade product, its complex structure, bring a high price, be unsuitable in town and country common other popularize and promote.And great majority other still only prevent entering of thief by laying the key under the door, but its structure of existing door lock is known for the thief, after door is normally locked, thief's tool using just can be from opening burglary with lock outdoors, for guaranteeing a stable life order, people press for and can add measures one to existing door lock again.
The utility model content
The purpose of this utility model is to overcome the prior art above shortcomings, by existing door latch structure is improved, provides a kind of safety door-bolt that can prevent that night, the thief committed theft from the external-open chamber of locking, room.This novel safety door-bolt has characteristics simple and practical, easy to loading and unloading, is installed on the existing door lock, and just can solve to have man-hour within doors, and the stranger can't open the problem of door lock outdoors, thereby reaches the purpose of burglar alarm.
The technical scheme that the utility model provides is: this safety door-bolt mainly includes parts such as mountain font door lock handle stop, rotating metal fixed cover, groove type contact and controlling alarm box, wherein
Described door lock handle stop constitutes by being welded with three reinforcing bars on the block plate, and wherein the reinforcing bar of both sides is isometric, and middle reinforcing bar is longer than the reinforcing bar of both sides;
Described rotating metal fixed cover be arranged on door lock within doors the part and the both sides door-plate on;
Described groove type contact is arranged on the top of doorframe dead bolt cell body;
In the described controlling alarm box loudspeaker, control circuit board and dry cell batteries are housed;
Rotating metal fixed cover all is connected with control circuit board in the controlling alarm box by lead with the groove type contact.
Compared with prior art, the beneficial effects of the utility model are: have characteristics simple and practical, easy to loading and unloading, be installed on the existing door lock, just can solve to have man-hour within doors, the stranger can't open the problem of door lock outdoors, thereby reaches the purpose of burglar alarm.
Description of drawings
Accompanying drawing is the parts connection diagram of the embodiment that provides of the utility model.
Number in the figure: 1. door lock handle stop, 2. rotating metal fixed cover, 3. door lock part, 4. groove type contact, 5. lead, 6. controlling alarm box, 7. dry cell batteries, 8. loudspeaker within doors.
The specific embodiment
As shown in the figure, this safety door-bolt mainly includes parts such as mountain font door lock handle stop 1, rotating metal fixed cover 2, groove type contact 4 and controlling alarm box 6, wherein door lock handle stop 1 constitutes by being welded with three reinforcing bars on the block plate, wherein the reinforcing bar of both sides is isometric, and middle reinforcing bar is longer than the reinforcing bar of both sides; Rotating metal fixed cover 2 is arranged on door lock within doors on part 3 and the both sides door-plate thereof; Groove type contact 4 is arranged on the top of doorframe dead bolt cell body; Loudspeaker 8, control circuit board and dry cell batteries 7 are housed in the controlling alarm box 6; Rotating metal fixed cover 2 all is connected with control circuit board in the controlling alarm box 6 by lead 5 with groove type contact 4.
During use, after people within doors normally locks door lock, earlier three reinforcing bars in the mountain font door lock handle stop 1 are passed and be arranged on the door lock rotating metal fixed cover 2 on part 3 and the both sides door-plate thereof within doors, the isometric reinforcing bar in its both sides passes the rotating metal fixed cover 2 that is arranged on the door-plate of both sides, main balance and the fixation of rising, middle long reinforcing bar then passes door lock within doors behind the rotating metal fixed cover 2 on the part 3, directly insert in the groove type contact 4 that is arranged on doorframe dead bolt cell body top again, to insert corresponding jack in the controlling alarm box 6 with the lead that rotating metal fixed cover 2 is connected with groove type contact 4 respectively then, behind the connection power supply controlling alarm box 6 is placed the suitable place in bedrooms, the control circuit under the normal condition is what disconnect.Because the long reinforcing bar in the door lock handle stop 1 is close to door lock handle, make the door lock handle that locks door can only keep former appearance, and this moment is if having the people from unblanking by force outdoors, because door lock handle has been close to, can not rotate with lock core outdoors, so people outdoors can't be with door-lock opening.Meanwhile, when outdoors people unblanks to drive long reinforcing bar in the door lock handle bump door lock handle stop 1 by force, and in a single day the isometric reinforcing bar of long reinforcing bar and both sides thereof rocks, to contact with groove type contact 4 with rotating metal fixed cover 2 as conductor, thereby conducting the control circuit of original disconnection, so loudspeaker 8 is to hypnopompic master alarm, thereby avoided thief's generation of burglary incident of unblanking midnight.
Claims (1)
1. a safety door-bolt is characterized in that mainly including parts such as mountain font door lock handle stop, rotating metal fixed cover, groove type contact and controlling alarm box, wherein
Described door lock handle stop constitutes by being welded with three reinforcing bars on the block plate, and wherein the reinforcing bar of both sides is isometric, and middle reinforcing bar is longer than the reinforcing bar of both sides;
Described rotating metal fixed cover be arranged on door lock within doors the part and the both sides door-plate on;
Described groove type contact is arranged on the top of doorframe dead bolt cell body;
In the described controlling alarm box loudspeaker, control circuit board and dry cell batteries are housed;
Rotating metal fixed cover all is connected with control circuit board in the controlling alarm box by lead with the groove type contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520090433 CN2799760Y (en) | 2005-04-21 | 2005-04-21 | Safety door bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520090433 CN2799760Y (en) | 2005-04-21 | 2005-04-21 | Safety door bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2799760Y true CN2799760Y (en) | 2006-07-26 |
Family
ID=36842258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520090433 Expired - Fee Related CN2799760Y (en) | 2005-04-21 | 2005-04-21 | Safety door bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2799760Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714652A (en) * | 2013-11-11 | 2014-04-09 | 国家电网公司 | High voltage switch cabinet door abnormal opening alarm device |
-
2005
- 2005-04-21 CN CN 200520090433 patent/CN2799760Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714652A (en) * | 2013-11-11 | 2014-04-09 | 国家电网公司 | High voltage switch cabinet door abnormal opening alarm device |
| CN103714652B (en) * | 2013-11-11 | 2019-01-18 | 国家电网公司 | A kind of high-voltage switch cabinet door unnormal unlocking warning device |
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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 |