CN2648027Y

CN2648027Y - Burglar-proof alarm for rolling curtain door

Info

Publication number: CN2648027Y
Application number: CN 03249216
Authority: CN
Inventors: 吴天富
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-25
Filing date: 2003-06-25
Publication date: 2004-10-13
Anticipated expiration: 2013-06-25

Abstract

The utility model relates to a roller shutter door burglar-alarm device, the utility model is characterized in that: the inside of the current roller shutter door is provided with a buzzer and a DC power supply, a power supply cord which is arranged between the buzzer and the DC power supply is connected with two normally closed micro switches in series which are respectively matched with a sliding strip and a press rod for use. As the utility model uses the structure, the utility model can emit a sharp warning when the roller shutter door encounters any external force damage and then is pulled up regardless of the outside or inside of the roller shutter door, so as to achieve the purposes of alarm and deterring thieves, further to effectively solve the problem of anti-theft of the roller shutter door.

Description

A kind of rolling door burglar alarm

Affiliated technical field

The utility model relates to a kind of rolling door burglar alarm.

Background technology

Rolling door has obtained being extensive use of of most of shops with its convenient and practical advantage.But,, destroyed by burglar's tool using easily because the intensity of rolling door is less.So being people always, the exploitation of the anti-theft feature of rolling door wishes the problem that solves.The means that present stage generally adopts are methods that mechanical type adds hard intensity, and certain effect is arranged like this.But, exist following deficiency: when burglar's crime time conditions permit, still can achieve the goal; In addition, if the burglar in other approach inlet chambers after, its risk prevention instruments just can not be brought into play its effect.

Summary of the invention

The purpose of this utility model provides any unauthorised broken of a kind of chance and can both report to the police automatically, thus reach the deterrence purpose the antitheft alarm device of rolling door to remedy the deficiency of prior art.

The purpose of this utility model is to realize like this, a kind of rolling door burglar alarm, it is characterized in that: be provided with buzzer and dc source in existing rolling door inboard, on the power line between buzzer and the dc source, be in series with two closed type microswitches, one of them microswitch is arranged on the interior draw runner side of door lock box of rolling door lower end, when draw runner is in contraction state, the breach on the draw runner can be pushed down microswitch, makes microswitch be in off-state; In the rolling door inboard depression bar is housed vertically, depression bar can have displacement up and down, is with back-moving spring on the depression bar, and a side is provided with block on the depression bar, is being provided with another microswitch with the corresponding position of block; Depression bar is with sleeve pipe outward.

Described a kind of rolling door burglar alarm is characterized in that: buzzer, dc source, microswitch, power line, depression bar and back-moving spring are all whole to be integrated in the container of sealing.

The utility model is owing to adopted said structure, make rolling door no matter in the outside or the inboard run into any outside destroy post-tensioning time-out, can both send sharp-pointed chimes of doom, reach the purpose of reporting to the police and deterring the burglar, thereby effectively solved the antitheft problem of rolling door.

Description of drawings

Below by embodiment, and in conjunction with the accompanying drawings the utility model is further described:

Fig. 1 is the structural representation that depression bar cooperates with microswitch among the utility model embodiment;

Fig. 2 is the structural representation that draw runner cooperates with microswitch among the utility model embodiment;

Fig. 3 is the circuit structure diagram of whole device.

In the drawings, 1 is buzzer, can select the 12DC type for use, and 2 is the 9V battery, and 3 and 4 is the closed type microswitch, and 5 is draw runner, and 6 is breach, and 7 is depression bar, and 8 is back-moving spring, and 9 is block, and 10 is sleeve pipe.

The specific embodiment:

Normally draw back state when rolling door is at ordinary times, depression bar 6 is positioned at normal condition, and block 8 is not put forth effort on microswitch 3, and microswitch 3 is in on-state; And at this moment draw runner 5 is in the state of receiving to the centre, and breach 6 is pushed down microswitch 4, makes microswitch 4 be in off-state, because two microswitches 3,4 are series connection, so entire circuit fails to connect, buzzer 1 can not ring.

When needs are closed rolling door, the rolling door of leaving behind, depression bar 6 moves down and kiss the earth with rolling door, and upwards produces displacement, block 9 is produced push down microswitch 3 to top offset, makes microswitch 3 be in off-state; Key outwards moves draw runner 5 both sides and pins door again, and at this moment, breach 6 outwards moves, and has just discharged microswitch 4, makes microswitch 4 be in on-state.

When people's illegal invasion, no matter use which kind of method, last purpose all is the pull-up rolling door, when rolling door is pulled up, depression bar 6 breaks away from ground, reset under the effect of back-moving spring 8, block 9 synchronous resets will discharge microswitch 3, microswitch 3 is in on-state, and this moment, microswitch 4 also was in on-state, and buzzer 1 gets electric, will send alarm sound.

When normally making when turning the key in the lock, key makes draw runner 5 receive to the centre, and microswitch 4 is positioned at off-state, and the block 8 on the depression bar 6 discharges microswitch 3 again, just can not cause warning.

With said modules integrated after, tubing 10 outside depression bar 6 again is even if the burglar also can't destroy warning system from the rolling door inboard in other approach inlet chambers.

Claims

1, a kind of rolling door burglar alarm, it is characterized in that: be provided with buzzer and dc source in existing rolling door inboard, on the power line between buzzer and the dc source, be in series with two closed type microswitches, one of them microswitch is arranged on the interior draw runner side of door lock box of rolling door lower end, when draw runner is in contraction state, breach on the draw runner can be pushed down microswitch, makes microswitch be in off-state; In the rolling door inboard depression bar is housed vertically, depression bar can have displacement up and down, is with back-moving spring on the depression bar, and a side is provided with block on the depression bar, is being provided with another microswitch with the corresponding position of block; Depression bar is with sleeve pipe outward.

2, a kind of rolling door burglar alarm as claimed in claim 1 is characterized in that: buzzer, dc source, microswitch, power line, depression bar and back-moving spring are all whole to be integrated in the container of sealing.