CN2057940U - Door lock with multiple controlling anti-theft alarm - Google Patents

Abstract

The utility model discloses a cylinder lock with a multi-control anti-theft alarm for a door. The defects that when an existing cylinder lock for a door is pried, the existing cylinder lock can not alarm, and an electric alarm has no or has a complicated and expensive recognition system, which is difficult to popularize, etc. are overcome through the cylinder lock with a multi-cavity anti-theft alarm for a door. The machinery identification of a door lock and the anti-prying function are used, and the cylinder lock with a multi-control anti-theft alarm for a door is skillfully and severely provided with a trigger switch, an electronic circuit and an audio system and becomes to have the functions of identification, anti prying, alarming, self-protection, etc.; in addition, a constantly open push-button switch of the cylinder lock with a multi-control anti-theft alarm for a door which combines the mechanical electronics together and is economical and practical is fixedly arranged on a circuit plate in the iron case of the lock, and a constantly closed push-button switch is arranged beside a lock bolt body. The cylinder lock with a multi-control anti-theft alarm for a door has wide application.

Description

Door lock with multiple controlling anti-theft alarm

The utility model relates to a kind of antitheft apparatus--door lock.

Door lock is the extremely general antitheft apparatus of a kind of use, is that the door that esidential building, hotel, office and valuables cabinet, automobile etc. are located is gone up requisite.In view of present public security situation is on the rise, people just more note the selection to door lock, pay attention to its degree of reliability, and how much and whether function economically feasible.

The door lock that generally uses on the door is the mechanical type safe-guard door lock at present, such as the dual fail-safe pin tumbler lock, and three insurance pin tumbler lockes, spring padlock etc.These locks all have functions such as key identification and pick-proof, but in case door is finally pried open, it has just lost effect.Especially indoor nobody the time, quietly the stealthy activity that carries out just can be succeeded.

Thus, people have done some warning devices again in addition for more effectively taking precautions against burglary, and housing window is controlled, and get over window in case there is the people to open the door, and will sound the alarm, to inform the calling people.But this alarm is provided with in addition again and triggers and recognition system, promptly report to the police to solve stranger's door window, and the problem that owner can free in and out.At present, have plenty of with secret key or password key, yet at outdoors secret key, can be found eventually, the password key cost is expensive, it is complicated to install, and is difficult for being accepted by the ordinarily resident.Existing besides warning device is to make power supply with exchanging civilian electricity mostly, will be ineffective in case have a power failure; And arm-to-arm is power consumption, and is just uneconomical year in and year out, and this is that accidental burglar alarm is a kind of defective to triggering.

The purpose of this utility model is exactly at the problems referred to above, make a kind of machinery identification and tamper-resistant function of utilizing the pin tumbler lock of comparatively popularizing at present (being commonly called as built-in lock), ingenious trigger switch, electronic circuit and the sound system of packing into compactly, (also can external trigger head and loudspeaker, multichannel control is reported to the police in many ways.) become have identification, pick-proof, warning, self-protection etc. are multi-functional, and the collection mechano-electronic is one, many controls antithief alarm spring lock for door of novel economizer practicality.

Now in conjunction with the accompanying drawings the utility model is described:

By this lock inner structure Fig. 1, lock cap structure chart 2 and lock profile schematic diagram 3, essential structure of the present utility model as can be seen.

The circuit board (1) that is installed in lock iron-clad (10) inside of Fig. 1, be fixed on the normally open push button switch (2) above (1), be encapsulated in the Music centre loudspeaker (13) in the Handle for lock (3), and the head that is contained on the dead bolt limit is oblique normally closed push button switch (4), battery (5) also has single-pole double throw toggle switch controlling alarm and audio devices such as (13) on Fig. 2; Lock tongue body (12) on Fig. 1 identical with the original assembly of pin tumbler lock, lock iron-clad (10), the shift fork body (15) on Fig. 2, the keeper on Fig. 3 (19), and tapered end (figure slightly) etc. has been formed main body of the present utility model.All the other have the battery on Fig. 1 to buckle (6), outer terminal (7), locking closure holder (8), insurance head and button (9), lock body fixing hole (11); Switch leads on Fig. 2 (16), external connection portal (17), locking closure fixing hole (18) etc.

Fig. 4 is the schematic diagram of warning circuit shown in circuit board (1) is gone up, and partly is made up of accident triggering, semaphore lock, pulse amplification, audio oscillation, alarm sound etc.

By J ₁', J ₁", J ₂, D form to trigger lock-in circuit.After connecting power supply, J ₁' or J ₁" closed moment, J ₂Action, circuit turn-on replaces J ₁' or J ₁" form the loop, signal is locked.Wherein D is at J ₂The moment of power turn-on or cut-out shields when producing inverse electromotive force.

Behind the circuit turn-on, utilize unijunction transistor BG ₁Negative resistance charactertistic and C ₁The effect that discharges and recharges produces impulse wave, adjusts R ₂Can change its frequency, wherein R ₁Be BG ₁Bias current is provided.Impulse wave is through C ₂Be coupled to BG ₂After the amplification, modulation is by BG ₃, BG ₄The direct-coupled amplifier of forming, simultaneously, BG ₄Output is through C ₄R ₆The positive and negative BG that is fed to ₃, form audio oscillation, adjust C ₄R ₆Can change its frequency, wherein R ₃Be BG ₂Provide bias current, C ₃Be coupling capacitance.Be subjected to the audio signal of impulse wave modulation, send modified tone sound through loudspeaker.

J wherein ₁' J ₁" be exactly press button (2) and (4), J ₂Be to use the 4100D9V relay, K is exactly toggle switch (14), and power supply E is battery (5).

Using method of the present utility model is: after according to the mounting means of common spring door lock it being installed in door and going up, owner leaves, and when closing to the doorstep, the inclined-plane button head of normally closed push button switch (4) is subjected to keeper (19) compressing and indentation simultaneously, to making switch (4) open circuit, i.e. J on the circuit ₁" disconnected.With key core is turned clockwise 90 ° again, the transmission bar on the tapered end drives pulling and pushing body (15) rotation, can be moved to the left by toggle switch (14), and to closed circuit position, i.e. power switch K closure, warning place this moment waits to send out a shape.Because of J ₁' often open, J ₁" disconnected, thus not conducting of entire circuit, not power consumption.

As the foreign matter lock of forcing open the door, lock tongue body (12) is forced to the moment of indentation, because of compressing switch (2) makes closure, i.e. J ₁' conducting triggers and reports to the police, and Handle for lock (3) inside trumpet (13) can send loud police whistle sound; Clash into door lock by force for another the fruit stealer, keeper (19) is shifted or comes off, then the button head of switch (4) can eject because of losing to oppress, and makes closure, i.e. J ₁" conducting triggers and reports to the police, and plays holding function.In like manner, if stealer by in other passages inlet chamber, open the door to lock and also can report to the police.

In case trigger to report to the police, the locking because of the signal of circuit so even object resets, chimes of doom is still continuous, comes until owner.After owner comes, if with key with core inhour half-twist, switch (14) is allocated to the open circuit shape, power supply K is cut off, and just can free in and out.

In sum, the utility model is compared with existing cylinder drawback lock or alarm, and following characteristics are arranged:

1, installs dexterously electronic alarm additional in the common spring door lock, increased warning function.

2, on the basis of the anti-theft pick-proof function that does not change original common spring door lock, utilize core machinery recognition function, control power switch with key, make alarm not increase new recognition device, just can reach owner's door window and not report to the police, remove this purpose of promptly reporting, be economical.

3, utilize the switch door, the lock tongue body indentation is stretched out and lock housing and the identical principle closely of keeper, uses two press buttones as trigger switch dexterously, and it is reliable to be active in one's movements, and cost is low.

4, the Music centre loudspeaker that occupies certain volume, be fixed on the surface and open in the handle in close hole, make this apparatus structure compactness, suitable size, loudspeaker also are protected simultaneously.

5, the utility model uses closed circuit alarm circuit, and arm-to-arm at ordinary times is not power consumption of not conducting, uses dry cell not restricted by dispatch from foreign news agency, is energy-conservation reliable.

For giving full play to the effect of alarm, the best trigger head of external some tongue tubes and so on again in the enforcement is carried out multi objective control; External again one be contained in the loudspeaker that are beneficial to the sounding concealment part simultaneously.Note all concealed wires if all connect up.

Claims (7)

1, the pin tumbler lock of many control burglar alarms is housed, it is characterized in that: being combined into one by a former pin tumbler lock and a warning electronic circuit constitutes, and the warning electronic circuit is made up of circuit board (1), normally open push button switch (2), normally closed push button switch (4), battery (5), Music centre loudspeaker (13) and toggle switch (14).

2, many control antithief alarm spring lock for door according to claim 1, it is characterized in that: circuit board (1) and battery (5) are mounted in lock iron-clad (10) inside, normally open push button switch (2) is to be fixed on the circuit board (1), behind lock tongue body (12) tail.

3, many control antithief alarm spring lock for door according to claim 1, it is characterized in that: normally closed button is opened also the next door of (4) position place's lock tongue bodies (12), is fixed on the lock iron-clad (10), and its button head is in the lock housing outside.

4, many control antithief alarm spring lock for door according to claim 1 is characterized in that: toggle switch (14) is near the below of lock shift fork body (15), and is fixed on the lock cap.

5, many control antithief alarm spring lock for door according to claim 1, it is characterized in that: Music centre loudspeaker (13) is mounted in the surface and opens in the Handle for lock in close hole (3).

6, many control antithief alarm spring lock for door according to claim 1, it is characterized in that: the controlling organization of line power break-make is made up of key, tapered end, transmission bar, shift fork body (15) and toggle switch (14).

7, many control antithief alarm spring lock for door according to claim 1 is characterized in that: reporting to the police and triggering lock-in circuit is (to be exactly J by normally open push button switch (2) ^' ₁), normally closed push button switch (4) (is exactly J ^" ₁), relay (is exactly J ₂) and diode D composition.

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