CN202584325U - Anti-theft alarm device of door - Google Patents
Anti-theft alarm device of door Download PDFInfo
- Publication number
- CN202584325U CN202584325U CN 201220218689 CN201220218689U CN202584325U CN 202584325 U CN202584325 U CN 202584325U CN 201220218689 CN201220218689 CN 201220218689 CN 201220218689 U CN201220218689 U CN 201220218689U CN 202584325 U CN202584325 U CN 202584325U
- Authority
- CN
- China
- Prior art keywords
- door
- contact chip
- groove
- power source
- theft alarm
- 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 an anti-theft alarm device of a door. The anti-theft alarm device comprises a shell body; an upper end of the shell body is provided with a slide groove; a slide block having a slid handle is arranged inside the slide groove; the slide block contacts with a power source switch inside the shell body; one end of the power source switch is connected with a power source through an electric wire; the other end of the power source is connected with a contact piece arranged on the shell body through an electric wire; the other end of the power source switch is connected with an acoustic piece and thereafter is connected with a loudspeaker through wires; the loudspeaker is connected with a metal spring through a wire; the other end of the metal spring is connected with a lower contact piece; the shell body which is corresponding to the lower contact is provided with a groove; and the other end surface of the lower contact piece contacts with a convex block arranged at an upper end of the door through the groove. The anti-theft alarm device of the utility model has the advantages of simple structure, low manufacturing cost as well as stable and reliable anti-theft alarm.
Description
Technical field
The utility model relates to anti-theft device, specifically a kind of burglar alarm.
Background technology
The antitheft door of resident resident family generally adopts a lock type mode to guard against theft at present, and to increase thief's unlatching difficulty, the problem of existence is when the thief opens door, and its antitheft door has just lost the effect of antitheft.Though disclosed burglar alarm has the alarming anti-theft effect, there is the defective of complex structure, manufacturing cost height, poor practicability.
The utility model content
The purpose of the utility model provides a kind of burglar alarm, has characteristics simple in structure, that cost of manufacture is low, burglar alarm is reliable and stable.
The purpose of the utility model realizes through following technical scheme: a kind of burglar alarm; It has housing, and chute is offered in the housing upper end, the slide block of mounting strap sliding handle in the chute; Slide block contacts with the interior power switch of housing; Power switch one end joins through electric wire and power supply, and the power supply other end is connected with contact chip on being installed in housing through electric wire, the said power switch other end through lead be connected with loudspeaker again after sheet is connected; Loudspeaker joins through lead and metal spring; The metal spring other end is connected with following contact chip, has groove with following contact chip corresponding shell, and the other end of following contact chip contacts with the projection that is installed in the door upper end through groove.
The beneficial effect of the utility model is: owing to adopt the Telescopic of spring to realize the unlatching of power switch, have the advantage sensitive, reliable and stable, simple in structure, that cost of manufacture is low of reporting to the police.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
14 is housings among the figure, and chute 10 is offered in housing 14 upper ends, the slide block 8 of mounting strap sliding handle 9 in the chute 10; Slide block 8 contacts with housing 14 interior power switches 7; Power switch 7 one ends join through electric wire and power supply 6, and power supply 6 other ends are connected with contact chip 4 on being installed in housing 14 through electric wire, said power switch 7 other ends through lead be connected with loudspeaker 12 again after sheet 11 is connected; Loudspeaker 12 joins through lead 13 and metal spring 1; Metal spring 1 other end is connected with following contact chip 2, has groove with following contact chip 2 corresponding shell 14, and the other end of following contact chip 2 contacts with the projection 3 that is installed in the door upper end through groove.The utility model will have circuit 5 when installing housing 14 is installed on the upper door frame of entering house door; An end that makes housing 14 have a groove is corresponding with the projection 3 that is installed in the entering house door upper end, and when entering house door was closed, projection 3 inserted in the groove of housings 14; Contact chip 2 makes down metal spring 1 compression of contact chip 2 other ends under the roof pressure; Contact chip 4 is separated with following contact chip 2, cause circuit to be disconnected, sound sheet 11 is not worked; When entering house door was opened, projection 3 separated with following contact chip 2 along with door outwards moves, and causes metal spring 1 return, and contact chip 4 is contacted with following contact chip 2, causes circuit to be switched on, 11 work of sound sheet, and loudspeaker 12 is sounded; When not needing the utility model work, can the slide block 8 of band sliding handle 9 be broken away from power switch 7 deenergizations, prevent the generation of false alarm.Otherwise, the slide block 8 of band sliding handle 9 is placed opening power on the power switch 7, the utility model gets final product work.Owing to adopt the Telescopic of spring to realize the unlatching of power switch, have the advantage sensitive, reliable and stable, simple in structure, that cost of manufacture is low of reporting to the police.
Claims (1)
1. the burglar alarm of a door; It is characterized in that: it has housing (14), and chute (10), the slide block (8) of the interior mounting strap sliding handle of chute (10) (9) are offered in housing (14) upper end; Slide block (8) contacts with the interior power switch (7) of housing (14); Power switch (7) one ends join through electric wire and power supply (6), and power supply (6) other end is connected with contact chip (4) on being installed in housing (14) through electric wire, said power switch (7) other end through lead be connected with loudspeaker (12) again after sheet (11) is connected; Loudspeaker (12) joins through lead (13) and metal spring (1); Metal spring (1) other end is connected with following contact chip (2), has groove with following contact chip (2) corresponding shell (14), and the other end of following contact chip (2) contacts with the projection (3) that is installed in the door upper end through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218689 CN202584325U (en) | 2012-05-16 | 2012-05-16 | Anti-theft alarm device of door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218689 CN202584325U (en) | 2012-05-16 | 2012-05-16 | Anti-theft alarm device of door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202584325U true CN202584325U (en) | 2012-12-05 |
Family
ID=47253713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220218689 Expired - Fee Related CN202584325U (en) | 2012-05-16 | 2012-05-16 | Anti-theft alarm device of door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202584325U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778736A (en) * | 2013-12-31 | 2014-05-07 | 宁波三星电气股份有限公司 | Watt-hour meter cover opening alarm structure |
| CN106652201A (en) * | 2016-11-30 | 2017-05-10 | 欧阳国建 | Automatic alarm water selling machine |
| CN107067604A (en) * | 2017-03-09 | 2017-08-18 | 梁万顺 | A kind of burglary-resisting system and the antitheft method of the utilization system |
-
2012
- 2012-05-16 CN CN 201220218689 patent/CN202584325U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778736A (en) * | 2013-12-31 | 2014-05-07 | 宁波三星电气股份有限公司 | Watt-hour meter cover opening alarm structure |
| CN103778736B (en) * | 2013-12-31 | 2016-03-02 | 宁波三星医疗电气股份有限公司 | Electric energy meter cover opening alarm structure |
| CN106652201A (en) * | 2016-11-30 | 2017-05-10 | 欧阳国建 | Automatic alarm water selling machine |
| CN107067604A (en) * | 2017-03-09 | 2017-08-18 | 梁万顺 | A kind of burglary-resisting system and the antitheft method of the utilization system |
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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: 20121205 Termination date: 20130516 |