CN2162504Y

CN2162504Y - Anti-theft siren locking button

Info

Publication number: CN2162504Y
Application number: CN 93237029
Authority: CN
Inventors: 徐国庆
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-06-04
Filing date: 1993-06-04
Publication date: 1994-04-20
Anticipated expiration: 2003-06-04

Abstract

The utility model relates to an anti-theft siren locking button. A pressing spring is added in an ordinary spring locking button, the pressing spring presses a push rod on which a spring is sheathed, the tail part of the push rod passes through a small hole of the locking button and is contacted with a button cap provided with a metal sheet, and the tail part of the push rod and the metal sheet are welded with conducting wires which are connected with two electrodes of a siren. When the anti-theft siren locking button is installed and used, and someone wants to collide with a door to enter without a key, because a spring locking tongue presses the pressing spring which presses the push rod of which the pressing angle is contacted with the metal sheet, the conducting wires connected with the siren on the push rod and the metal sheet are switched on, the siren alarms, and therefore, the utility model achieves the anti-theft goal.

Description

Anti-theft siren locking button

The utility model relates to a kind of pin tumbler lock snap close of reporting to the police.

The snap close of existing pin tumbler lock is a snap close that fastens the pin tumbler lock dead bolt only, and it generally is cast iron processing, like ear shape, in establish the dead bolt hole.Can be fixed on the doorframe, relative with the pellet shot from a slingshot dead bolt, after dead bolt springs in the dead bolt hole of snap close, dead bolt is buckled in the snap close hole, can not skid off automatically, and this door just can not be opened, only using the lock key unlocking spring lock, dead bolt is set back in the lock body, door can be opened.Such being locked at present runs into that the thief hits door and fashionable, has no reaction, and safety inadequately seems.Otherwise just have only the installation iron gate, but investment is too big.

Task of the present utility model is that a kind of snap close of reporting to the police will be provided, and when the thief hit, the dead bolt of cylinder lock also can clash into snap close, and this snap close is reported to the police immediately, plays the effect of warning.

The utility model is to implement like this:

In the inboard of common snap close, open an aperture on the button shell limit of colliding with the planar section of dead bolt, in the hole, load onto a push rod that can stretch, the head of push rod puts a spring earlier in snap close, mix a reed again, make reed push down the push rod head, the push rod afterbody stretches out aperture, and must clash into reed earlier this moment when dead bolt bump snap close, reed bump push rod, and can and locate to adorn a metal contact at the tail end of push rod, because of being hit of push rod, can touch this metal contact.Now can join at a lead of tail end weldering of push rod and an electrode of alarm, another utmost point of weldering one lead and alarm joins on the metal contact again.When push rod touches mutually with sheet metal, then can connect alarm circuit, then alarm can send chimes of doom, thereby reaches the purpose of warning, and the thief who hits door can be warned equally and be escaped, and reaches antitheft purpose.

Below in conjunction with accompanying drawing the utility model is done detailed elaboration.

Accompanying drawing 1 is the structural representation of this anti-theft latch fastener;

Schematic diagram when accompanying drawing 2 is installations of this anti-theft latch fastener.

In conjunction with the accompanying drawings, a kind of anti-theft latch fastener is to adorn a push rod (3) with spring (2) in the common snap close (1), afterbody at push rod (3) is welded with a lead, push down the head of push rod (3) in addition with a making leaf spring (6), stage clip (6) is fixed on the snap close (1), a lid (5) again closes, the sheet metal (4) that can touch mutually with push rod (3) afterbody wherein is housed, sheet metal is welded with lead on (4), these two leads pass by the top aperture of lid (5), can join with the two poles of the earth of alarm.This snap close can be contained on the doorframe, and corresponding with the dead bolt of cylinder lock on the door, can use.

Do not turn the key in the lock as the people, and when hitting, its dead bolt bump stage clip (6), stage clip (6) compressing push rod (3), push rod (3) touches sheet metal (4), and two leads that then are connected on the alarm are connected, and then alarm begins to report to the police, and reaches antitheft effect.

Claims

1, a kind of burglar alarm snap close, it is characterized in that in existing pellet shot from a slingshot snap close (1), installing additional a stage clip (6), it is pushed down on push rod (3), the push rod (3) be with spring (2), push rod (3) should pass the aperture on the wall of snap close (1), lid (5) can cover tool aperture one side at snap close (1), in sheet metal (4) is housed, all be welded with lead on the afterbody of push rod (3) and the sheet metal (4).