CN2283695Y - Fireproof escape door lock with alarm - Google Patents

Abstract

The utility model relates to a fireproof escape door lock with an alarm. The utility model is characterized in that the inner part of a base of the fireproof escape door lock is provided with an alarm controlled by a door lock opened handle. The alarm is mainly composed of a pushing-button switch, a sliding switch, a relay, a ringing circuit, a battery, and a buzzer, wherein, the sliding switch is connected in series with the pushing-button switch, and a normally opening contact of the relay is connected in parallel with a contact of the pushing-button switch; when the door lock opened handle is pressed downwards, the pushing-button switch can be pressed. The utility model has the advantages that an escape gate can also perform an access-limiting control under the condition that the door is not locked.

Description

The fire prevention escaping door lock that possesses alarm buzzer

The utility model relates to lockset, belongs to a kind of safety door lock.

According to building acts, general dwelling house or commercial building must installing fire prevention escape at staircase, and these escape can not be locked in accordance with the law, and will keep the unimpeded of staircase, so that fire can utilize the escape escape when taking place.At ordinary times, escape should be closed again, in case can play the effect that intercepts the intensity of a fire and dense smoke when making breaking out of fire, in order to avoid the intensity of a fire involves other floor, lower the injures and deaths degree.Yet, find that according to many fire alarm cases of suffeing heavy losses of past escape are locked and maybe can't be opened is the one of the main reasons that causes tragedy.In case fire alarm takes place, when escape were locked again, the road that just equals escape was broken off, and was burnt alive by fire certainly or just was difficult to Xing by the tragedy that dense smoke is choked to death and exempted from.And escape are locked or in the phenomenon of piling up obstruction behind the door, the most general with commercial building, particularly supply the place of business of not specific mass consumption in the majority, for example so-called eight big special trades such as karaoke chamber, electronic toy shop, pub can be carried out interior finish work traditionally, and the result of repacking, escape often become the part of its place of business, no longer be that resident family is shared, therefore, the owner also just has an opportunity escape are locked.In all fairness, the owner locks escape, shut privately or in the behavior of piling up all obstruction escapes such as obstruction behind the door, be not to turn round and look at fire codes intentionally yet, treat human life as if it were not worth a straw, but behind the consumer spending that has, do not check out, Jing leaves away since escape, makes the owner lose the countermeasure of being figured out for no reason.Because, after escape are locked, unless have key, otherwise can't pass in and out from escape, can only come in and go out from unique Qianmen, so, the customer must can leave away from the Qianmen through the sales counter after closing earlier before leaving away; In other words, the owner locks escape, no doubt should not on legal principle, in case therefore accident, from when negative civil, criminal responsibility, never hold it and shirk, but aspect reason, also send the sense of a sympathy unavoidably, believe that it is also involuntary, but under situation at one's wit's end, for the ease of gate inhibition's control, have to very take a risk, escape are locked.So,, so also just can avoid occurring again and again the phenomenon of defying the law if escape have and a kind ofly can not must lock and be convenient to the door lock of gate inhibition's control.

The purpose of this utility model provides a kind of fire prevention escaping door lock that possesses alarm buzzer, make as long as the door handgrip of pressure escape, promptly can touch alarm buzzer and continue to make sound, reminding has the people to leave away from escape, so that escape still can be carried out gate inhibition's control effectively under the situation of not locking.Another purpose is to make enabling and remove and must controlling with tapered end of alarm buzzer, has only to insert the key device of can enabling or sound all clear, and prevents that alarm buzzer from arbitrarily being removed and lose the strick precaution effect.

The utility model of realizing above-mentioned purpose is, be equiped with in the base interior of fire prevention escaping door lock and opened the hand-guided alarm buzzer by door lock, this alarm buzzer consists predominantly of press button, slide switch, relay, bell circuit, battery and buzzer, wherein slide switch is connected with press button, and " often opening " contact of relay is in parallel with the contact of press button; Door lock is opened when handle is depressed can press press button.Its circuit of such connected mode has memory function, when slide switch and press button are " opening ", can connect and comprises battery and bell circuit, makes buzzer continue to make sound; When slide switch " pass ", promptly interrupt this circuit and sound all clear.

Each assembly of alarm buzzer is fixed on a table and covers, and this table lid both sides form opening groove outwardly respectively, table cover with the trip of this side grooves and door lock pedestal both sides mutually contract connect.Such structure makes the table lid conveniently and closely to be combined on the door lock pedestal.

Door lock is opened handle and is directly pressed the preferred construction of press button and be, is connected with a braking plate in the handle end of opening door lock, and this braking plate extends to the button top of press button.Like this, but along with pressing of handle actuation button or make button involution original state, switch " is left " or " pass ".

Also can include a tapered end in the alarm buzzer, the end of this tapered end is connected with one can rotate the sliding piece of stirring slide switch synchronously with tapered end, and this sliding piece can rotate synchronously with tapered end, to stir the shift bar of slide switch, switch " is left " or " pass ".

Also can include an indicator lamp in the alarm buzzer.Make that the indicator lamp perseverance is bright when alarm buzzer starts; When battery electric power was about to exhaust, indicator lamp then glimmered, with the prompting user battery that upgrades in time.

See that by last structure because of this escaping door lock is equipped with alarm buzzer with the handle interlock, in case handle is depressed, can touches alarm buzzer and continue to make sound, reminding has the people to leave away from escape.Obviously the utility model has the advantages that, make escape under the situation of not locking, still can strictness carry out gate inhibition's control, no longer include necessity or excuse that escape are locked or shut.

Description of drawings:

Fig. 1 is a kind of stereoscopic figure of common fire prevention escape door latch structure.

Fig. 2 is stereoscopic figure of the present utility model.

Fig. 3 is the stereogram of the alarm buzzer that decomposites from the fire prevention escaping door lock in the utility model.

Fig. 4 is the sectional drawing of the alarm buzzer in the utility model.

Fig. 5 covers the sectional drawing that is incorporated on the door lock pedestal for the table of alarm operating device in the utility model.

Fig. 6, Fig. 7 are axial section of the present utility model.

Embodiment of the present utility model as shown in drawings.The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.

The door latch structure of general fire prevention escape as shown in Figure 1, the dead bolt interlock of door handle and door lock.Under the situation that door lock is not locked, when pressing door handle, escape are promptly opened voluntarily.

See that by surface structure of the present utility model shown in Figure 2 wherein the represented member of the present utility model of label is: 10-the utility model escaping door lock, 1-door lock, 11-door lock pedestal, the 13-handle, 15-end cap, 16-dead bolt, 2-alarm buzzer, 20-indicator lamp, 21-are shown lid, 24-tapered end.Because of main creation of the present utility model is the inner installing of pedestal 11 one alarm buzzers 2 that are at door lock 1, and other structure of door lock 1 is located by prior art, thus below only just to alarm buzzer 2 and the more detailed explanation of relevant structure do thereof.

As shown in Figure 3, Figure 4, alarm buzzer 2 comprises a table and covers 21, this table lid 21 both sides respectively have an opening outwards and the groove 22 that can insert along the trip 12 of pedestal 11 both sides, making table cover 21 is combined in securely on the pedestal 11 and (consults Fig. 5), then with the end sealing of end cap 15 with pedestal 11, to prevent that alarm buzzer 2 from coming off, 45 mat screws 17 of this end cap lock onto on the pedestal 11 (consults Fig. 2).Above-mentioned table lid 21 is intended to support the necessary assembly of alarm buzzer 2, comprises press button 23, tapered end 24, slide switch 25, circuit board 26 (including bell circuit, relay and relevant electronic component etc.), battery 27 and buzzer 28 etc.; That is to say, said modules appropriately links together with certain line condition after table covers on 21 adorning in regular turn on the production line earlier again, forms required alarm buzzer 2, be sleeved in the pedestal 11 alarm buzzer is whole then, promptly form fire prevention escaping door lock 10 with alarm buzzer.

As shown in Figure 6, aforementioned press button 23 is to be opened and closed by handle 13 controls of opening door lock 1, and the end of this handle 13 connects a braking plate 14, and braking plate 14 also extends to button 31 tops of press button 23.When depression of handle 13, can drive braking plate 14 synchronously, utilize braking plate 14 to press button 31, make the junction closure of press button 23, be split into " opening " state; When decontroling handle 13, promptly release-push 31 is opened the contact of press button 23 to braking plate 14 with handle 15 involution original positions, becomes " pass " state.

As shown in Figure 4, the effect of tapered end 24 is intended to open and close slide switch 25, and its situation is to link a sliding piece 29 on tapered end.When inserting key turns tapered end 24, sliding piece 29 promptly rotates synchronously with tapered end 24, and then orders about shift bar 30 displacements of slide switch 25.This slide switch 25 is connected in series with aforesaid press button 23, when slide switch 25 is allocated to " opening " position, and during depression of push button switch 23, can connect the circuit that comprises battery 27 and bell circuit, make buzzer 28 continue to make sound, prompting has people Jing to leave away since escape, is convenient to send someone at once to go to processing.Because foregoing circuit uses the relation of relay (not shown), its contact of " often opening " contact and press button 23 is connected in parallel, thereby, circuit has memory function, so even if decontrol handle, when making press button " pass ", relay tip is because of being connected by OR, " the often opening " contact of oneself is connected, and its excited state still continues to keep, and makes buzzer 28 sustainable making sound.When slide switch 25 is struck sheet when being allocated to the off-position, promptly interrupts this circuit and sound all clear.Just, must slide switch 25 and press button 23 be " opening " operation and could start alarm buzzer 2, other operation all can't make alarm bell make sound.In case and alarm bell makes sound, have only key to remove, otherwise alarm bell will continue to make sound, till battery 27 exhausts electric power.The people that this design is intended to allow alarm bell must hold key appears to remove and just can stop, and to reach the effect that the fire prevention escape still can the strict gate inhibition of execution control under the situation of not locking, prevents the problem that Jing leaves away since escape under unauthorized situation.

For the ease of timely replacement battery 27, in preferred embodiment, this alarm buzzer 2 exposes table with one and covers 21 indicator lamp 20.When the electric power of battery 27 is about to exhaust, promptly be switched to the circuit of indicator lamp 20, make indicator lamp 20 flickers, upgrade battery with the prompting user, guarantee that alarm buzzer 2 often can keep the state of regular event.In addition, when alarm buzzer 2 starts, the permanent bright demonstration of indicator lamp 20 meetings, 20 of indicator lamps extinguish at ordinary times.

How the alarm buzzer 2 of the escaping door lock 10 of explanation fire prevention is at last controlled.At first, key is inserted in the tapered end 24, and clockwise rotate 29 rotations of key drive sliding piece, utilizing sliding piece 29 that shift bar 30 is allocated to " opening " position (is that sliding piece 29 moves to shift bar 30 the place aheads, as Fig. 4 and shown in Figure 7), make the junction closure of slide switch 25; Thereafter, if the handle 13 of door lock is depressed, the braking plate 14 that is linked to handle 13 presses button 31 immediately, makes the junction closure of press button 23, thereby connects circuit, makes buzzer 28 continue to make sound, and lights indicator lamp 20.Because this circuit has the characteristic that the oneself keeps, so even relieving handle 13, when making button 31 involution original states, alarm bell is still sustainable to make sound, in order to avoid alarm bell only pipes in a flash, and can't reach the effect of strick precaution.If will sound all clear, then rotate counterclockwise key, utilize sliding piece 29 that shift bar 30 is allocated to off-position (be that sliding piece 29 moves to shift bar 30 rears, consult Fig. 6), can interrupt this circuit, make alarm bell stop to make sound.

Under escape are closed situation, if will open it, have the handle 23 of depressing door lock 1 earlier only, drive in the dead bolt 16 and contract (consulting Fig. 7), escape can be opened; That is to say that open before the escape, it is unavoidable pressing the action by handle 13.Therefore, the pivot button (being braking plate 14) that touches alarm buzzer 2 is located on the handle 13, along with handle 13 synchronization actions are the most certain, as long as when slide switch 25 " leaves ", a depression of handle 13 can start alarm buzzer 2, the exhausted worry of not having error.Equally, slide switch 25 adopts keys control, also is optimal design, in case when switch " leaves ", do not have the people of correct key just can't sound all clear, though and alternate manner is also feasible, alarm bell is disengaged easily, loses the alarm effect.

Claims (5)

1, a kind of fire prevention escaping door lock that possesses alarm buzzer, it is characterized in that, be equiped with in the base interior of fire prevention escaping door lock and opened the hand-guided alarm buzzer by door lock, this alarm buzzer consists predominantly of press button, slide switch, relay, bell circuit, battery and buzzer, wherein slide switch is connected with press button, and " often opening " contact of relay is in parallel with the contact of press button; Door lock is opened when handle is depressed can press press button.

2, according to the described fire prevention escaping door lock that possesses alarm buzzer of claim 1, it is characterized in that each assembly of alarm buzzer is fixed on a table and covers, this table lid both sides form opening groove outwardly respectively, the table lid with the trip of this side grooves and door lock pedestal both sides mutually contract connect.

3,, it is characterized in that door lock is opened the handle end and is connected with a braking plate according to the described fire prevention escaping door lock that possesses alarm buzzer of claim 1, this braking plate extends to the button top of press button.

4,, it is characterized in that also include a tapered end in the alarm buzzer, the end of this tapered end is connected with one can rotate the sliding piece of stirring slide switch synchronously with tapered end according to the described fire prevention escaping door lock that possesses alarm buzzer of claim 1.

5, according to the described fire prevention escaping door lock that possesses alarm buzzer of claim 1, it is characterized in that, also include an indicator lamp in the alarm buzzer.

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