CN2174552Y

CN2174552Y - Alarming anti-theft door

Info

Publication number: CN2174552Y
Application number: CN 93235781
Authority: CN
Inventors: 许国然
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-29
Filing date: 1993-12-29
Publication date: 1994-08-17
Anticipated expiration: 2003-12-29

Abstract

The utility model relates to an alarming anti-theft door, which is composed of a door plate 1, a door frame, a cylinder door lock 2 installed on the inner face of the door plate 1, an anti-theft mechanism and an alarm 3. The upper and the lower parts of the inner face of the door plate 1 are provided with reinforcing plates 4; the anti-theft mechanism is composed of a side door pin 6, an upper door pin 7, a lower door pin 8, a circular rotating disc 10, a transversal lock rod 13, an alarm lock tongue 17 and a protective back cover 14; pin holes are arranged on the points of the door frame corresponding to the side door pin 6, the upper door pin 7 and the lower door pin 8. Because the utility model can lock the three door pins on an upper, a lower and a side directions and enlarge the thieves' breaking difficulties, the alarming anti-theft door has good anti-theft performance, and because the utility model has alarming function, the alarming anti-theft door can threaten the thieves to be afraid of entering rooms.

Description

Alarming anti-theft door

The utility model relates to a kind of security door, particularly has the security door of warning function, belongs to technical field of burglary prevention.

Security door is used for antitheft, because existing performance of anti-theft door is poor, causes the robber to go smoothly repeatly, makes the victim complain incessantly.In view of the above, need the design theftproof performance good and the security door of warning function arranged.

The purpose of this utility model provides the good anti-theft alarm door of a kind of theftproof performance.

The purpose of this utility model is achieved in that a kind of anti-theft alarm door has doorframe, door-plate, is contained in pin tumbler lock, burglar-proof mechanism and the alarm of door-plate inner face.There is stiffener the top and the bottom of said door-plate inner face; Said burglar-proof mechanism is made up of side door pin, last door bolt, following door bolt, rotating disk, locking bar, warning dead bolt and protection bonnet; There is pin-and-hole at corresponding said side door pin, last door bolt, following door bolt place on the said doorframe.Wherein:

Said rotating disk band central handgrip is also hinged by its central axis and said door-plate;

The said door bolt of going up penetrates respectively in the hole of said door-plate top and the bottom stiffener with following door bolt, and is articulated in the both sides of the edge of said rotating disk respectively by connecting rod separately;

The middle part of said locking bar and the edge of said rotating disk are hinged, and the one end has the vertically upright sheet by the dead bolt stop bit of said pin tumbler lock, and the other end has laterally upright sheet with holes and fixes with the side door pin in first side opening that penetrates said door-plate;

Be fixed with the compressing tablet that to connect alarm switch on the said warning dead bolt, one end of warning dead bolt penetrates in second side opening of said door-plate, the other end is with stage clip and is bearing in the hole of said laterally upright sheet, and this end is useful on the dead bolt slippage and regulate the dowel hole of the position of warning dead bolt of preventing to report to the police.

At outdoor up time rotary handle, rotating disk is the driving side door bolt, goes up in each corresponding aperture on door bolt and the following door bolt insertion doorframe, the laterally upright sheet of locking bar is pressed on the warning dead bolt on the doorframe by stage clip, the fixing compressing tablet of reporting to the police this moment on the dead bolt can not be connected alarm switch, with key pin tumbler lock is locked then, after the dead bolt of pin tumbler lock ejected, vertically upright sheet was withstood in its side, can stop the locking bar rollback.This promptly locks a door.

After this if stealer is all ruined three door bolts disconnected and opened door, the warning dead bolt that originally withstood doorframe will further eject under the stage clip effect, thereby driving compressing tablet connects alarm switch, and alarm promptly sounds the alarm, and stealer is frightened away.

Below in conjunction with drawings and Examples the utility model is described in detail.

Fig. 1 is a structure chart of the present utility model;

Fig. 2 is an alarm circuit schematic diagram of the present utility model.

In Fig. 1 of expression security door inside structure, irony doorframe (not shown), the pin tumbler lock 2 that is contained in door-plate 1 inner face, burglar-proof mechanism and alarm 3 that the utility model is connected with door-plate 1 by irony door-plate 1, with hinge are formed.There is stiffener 4 top and the bottom of door-plate 1 inner face; Burglar-proof mechanism is made up of side door pin 6, last door bolt 7, following door bolt 8, round turntable 10, horizontal locking bar 13, warning dead bolt 17 and protection bonnet 14; All there is pin-and-hole at respective side door bolt 6, last door bolt 7, following door bolt 8 places on the doorframe.Wherein:

Round turntable 10 band central handgrip 11 are also hinged with door-plate 1 by its central axis 12;

Last door bolt 7 and following door bolt 8 penetrate respectively in the hole 5 of stiffener 4 of door-plate 1 top and the bottom, and are articulated in the edge, the left and right sides of rotating disk 10 respectively by curved rod 9 separately;

Laterally the top edge of the middle part of locking bar 13 and rotating disk 10 is hinged, the one end is welded with the vertically upright sheet 15 by the dead bolt stop bit of pin tumbler lock 2, the other end is welded with laterally upright sheet 16 with holes and fixing with the side door pin 6 in first side opening that penetrates door-plate 1, also have slotted hole on the locking bar 13, the upright sheet 19 that is fixed on the door-plate 1 passes this hole to 13 supportings of locking bar guide effect.That leaves vertical upright sheet 15 on the door-plate 1 stretches out hole 20.

Warning dead bolt 17 1 ends are the dead bolt shape and penetrate in second side opening of door-plate 1, this end is fixed the compressing tablet 18 that can connect alarm switch K1, the other end of warning dead bolt 17 is shaft-like, this end is with stage clip and is bearing in the hole of horizontal upright sheet 16, and there are some dead bolt 17 slippages and regulate the dowel hole of the position of warning dead bolt 17 of being used to prevent to report to the police its end.

First and second side openings of above-mentioned door-plate 1 are expression in the drawings not.

When outdoor locking a door, with handle 11 up times rotations (is the inverse time in the figure apparent direction), rotating disk 10 promptly drives door bolt 7, in each corresponding aperture that the side door pin 6 of following door bolt 8 and locking bar 3 inserts on the doorframe, after locking bar 3 is moved to the left, laterally upright sheet 16 on it is pressed on warning dead bolt 17 on the doorframe by stage clip, the fixing compressing tablet 18 of reporting to the police this moment on the dead bolt 17 can not be connected alarm switch K1, with key pin tumbler lock 2 is locked then, the dead bolt of pin tumbler lock 2 ejects, vertically upright sheet 15 is withstood in its side, stop locking bar 3 rollbacks, rotating disk 10 just can not rotate, thereby door is firmly pinned.If lock a door, the dead bolt ejection of pin tumbler lock 2 is got final product indoor.

Under the state of locking a door, if stealer is all ruined upper and lower, three door bolts of side direction disconnected and is opened door, the warning dead bolt 17 that then originally withstood doorframe will further eject left under the stage clip effect, thereby drive compressing tablet 18 alarm switch K1 be connected, and the alarm song that alarm 3 sends can frighten stealer away.

When opening the door, earlier pin tumbler lock 2 is opened, its dead bolt withdrawal, the vertically upright sheet 15 of this hour locking lever 3 do not stopped, but thereby the inverse time reverse handle 11, make each door bolt withdrawal and door opened.When locking bar 3 moved to right, warning dead bolt 17 was also driven by its laterally upright sheet 16 and moves to right, and makes compressing tablet 18 away from alarm switch K1.After this again pin tumbler lock 2 is locked, after dead bolt ejected, vertically upright sheet 15 was withstood in its front, can block locking bar 3 rollbacks, makes rotating disk 10 not rotate voluntarily, and door just can not locked voluntarily yet.When indoor opening the door, as long as pull the knob and the suitable torsional handle 11 of pin tumbler lock 2.

An end that is with stage clip on the warning dead bolt 17 is screw rod also, and the anticreep and the adjusting of warning dead bolt 17 realized in the screw rod end with nut.Can increase door bolt in addition, to improve theftproof performance.

The circuit of alarm 3 shown in Figure 2 comprises power supply, triggers maintenance, three unit of sound equipment.Wherein: power subsystem is made up of full-wave rectifier and chargeable battery E, is attempted by the output of full-wave rectifier behind the chargeable battery E serial connection charge switch K2, chargeable battery E through forward diode D2 to circuit supply.Triggering holding unit is made up of alarm switch K1 and relay J, relay J be attempted by both ends of power after its constant open contact J-1 connects, alarm switch K1 is in parallel with constant open contact J-1, and the constant open contact J-2 of relay J is serially connected in the current supply circuit of acoustics unit.Acoustics unit meets the triode T of integrated output pin of sound equipment by sound equipment integrated CW9561, base stage, is connected on the colelctor electrode of triode T and the loudspeaker Y between the positive supply and forms.Its operating principle is as follows:

After alarm switch K1 connected, relay J got electric, and its constant open contact J-1 closure realizes the relay locking, connected the current supply circuit of acoustics unit after its constant open contact J-2 closure, and acoustics unit just sounds the alarm.This moment is owing to the relay locking, so alarm can't be interrupted because of disconnecting alarm switch K1.The K switch 0 that is serially connected in the current supply circuit of acoustics unit is used for turn-offing alarm.Because of chargeable battery E can not overcharge, so charge switch K2 is set, the effect of diode D2 is: after charge switch K2 disconnected, in case mains failure, chargeable battery E still can be to circuit supply.

As seen by above-mentioned, the utility model increased the destruction difficulty of stealer, thereby theftproof is good owing to upper and lower, three door bolts of side direction of lockable; Owing to warning function is arranged, dare not force open the door so can intimidate stealer.

Claims

1, a kind of anti-theft alarm door door-plate (1) is arranged, the pin tumbler lock (2) that is contained in door-plate (1) inner face and burglar-proof mechanism, with hinge and the doorframe that door-plate (1) is connected, it is characterized in that:

-it also comprises alarm (3);

There is stiffener (4) top and the bottom of-said door-plate (1) inner face;

-said burglar-proof mechanism is made up of side door pin (6), last door bolt (7), following door bolt (8), rotating disk (10), locking bar (13), warning dead bolt (17) and protection bonnet (14);

Corresponding said side door pin (6), last door bolt (7), following door bolt (8) have been located pin-and-hole on the-said doorframe,

Wherein:

Said rotating disk (10) band central handgrip (11) is also hinged by its central axis (12) and said door-plate (1);

Said upward door bolt (7) and following door bolt (8) penetrate respectively in the hole (5) of said door-plate (1) top and the bottom stiffeners (4), and are articulated in the both sides of the edge of said rotating disk (10) respectively by connecting rod (9) separately;

The edge of the middle part of said locking bar (13) and said rotating disk (10) is hinged, the one end has the vertically upright sheet (15) by the dead bolt stop bit of said pin tumbler lock (2), and the other end has laterally upright sheet (16) with holes and fixing with the side door pin (6) in first side opening that penetrates said door-plate (1);

Be fixed with the compressing tablet (18) that to connect alarm switch K1 on the said warning dead bolt (17), one end of warning dead bolt (17) penetrates in second side opening of said door-plate (1), the other end is with stage clip and is bearing in the hole of said laterally upright sheet (16), and this end is useful on dead bolt (17) slippage and regulate the dowel hole of the position of warning dead bolt (17) of preventing to report to the police.

2, a kind of anti-theft alarm door according to claim 1 is characterized in that said alarm (3) comprises power supply, triggers maintenance, three unit of sound equipment, wherein:

Said triggering holding unit is made up of alarm switch, relay, said relay be attempted by both ends of power after its first constant open contact is connected, said alarm switch is in parallel with first constant open contact, and second constant open contact of said relay is serially connected in the current supply circuit of said acoustics unit;

Said acoustics unit connects the triode of integrated output pin of sound equipment by integrated of sound equipment, base stage, and the colelctor electrode and the loudspeaker between the positive supply that are connected on this triode are formed.

3, a kind of anti-theft alarm door according to claim 1, an end that it is characterized in that being with on the said warning dead bolt (17) stage clip is a screw rod, there is the anticreep setscrew nut this end.