CN114382344A

CN114382344A - Fire-fighting anti-theft lock

Info

Publication number: CN114382344A
Application number: CN202210047821.5A
Authority: CN
Inventors: 邓军
Original assignee: Individual
Current assignee: Hangzhou Yinshuo Intelligent Technology Co.,Ltd.
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-04-22
Anticipated expiration: 2042-01-17
Also published as: CN114382344B

Abstract

The invention belongs to the field of fire safety, in particular to a fire-fighting anti-theft lock, which comprises two lock shells, wherein a heat insulation plate is fixedly arranged in the middle of the two lock shells, an inner cavity is arranged in the heat insulation plate, a lock body is symmetrically arranged in each lock shell relative to the heat insulation plate, each lock body is provided with a pressing cavity with an opening deviating from the heat insulation plate, a lock cylinder is rotatably and slidably arranged in each pressing cavity, each lock cylinder is connected to the inner wall of the corresponding pressing cavity through a reset spring, an emergency unlocking mechanism capable of normally unlocking is arranged in the two lock shells and the heat insulation plate, a temperature control unlocking mechanism for automatically unlocking in an emergency is arranged in the heat insulation plate, a temperature control mechanism for controlling the temperature control unlocking mechanism by sensing temperature to react is arranged in the two lock shells, when a fire disaster happens outside a warehouse, an air bag in the lock shell outside the locked rolling door drives an insertion rod to slide when the air bag is subjected to high temperature, the inserted bar slides into the insertion hole of the roller shutter door, so that the roller shutter door is locked better, and the fire disaster is prevented from spreading into the storeroom.

Description

Fire-fighting anti-theft lock

Technical Field

The invention belongs to the field of fire safety, and particularly relates to a fire-fighting anti-theft lock.

Background

The roller shutter door is installed in the conventional warehouse conveniently, a key is needed when the roller shutter door is opened, when a fire disaster occurs in the warehouse, the roller shutter door is very hot through high temperature in the warehouse, the key is not easy to insert into a keyhole, hands are very easy to scald when the roller shutter door is opened, a worker can close the roller shutter door from the inside in order to keep warm in winter, and the worker in the warehouse cannot escape at the first time when the fire disaster occurs.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a fire-fighting anti-theft lock which can automatically open a lock of a roller shutter door through the high temperature of a fire when the fire breaks out in a warehouse, and is convenient for fire fighting or escape.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a fire control pickproof lock, includes two lock cases, two the fixed heat insulating board that is equipped with in the centre of lock case, be equipped with the inner chamber in the heat insulating board, every in the lock case about the heat insulating board symmetry all is equipped with a lock body, every the lock body all is equipped with the opening and deviates from the chamber of pressing of heat insulating board, every it all rotates and slides and is equipped with a lock core, every to press the intracavity the lock core all connects through reset spring and is corresponding press on the inner wall in chamber, two the lock case with be equipped with the emergent unlocking mechanism that can normally unblank in the heat insulating board, be equipped with the control by temperature change unlocking mechanism that is used for emergent automatic unblanking in the heat insulating board, two be equipped with in the lock case and be used for induced temperature to make reaction control temperature control unlocking mechanism's temperature control mechanism.

Preferably, the emergency unlocking mechanism includes a top rod fixedly arranged on the side of each lock core close to the heat insulation plate, a heat insulation shaft is fixedly arranged on the side of each lock body close to the heat insulation plate, the heat insulation shafts are rotatably arranged on two side walls of the inner cavity of the heat insulation plate, two ends of each heat insulation shaft are opposite to a top rod groove provided with an opening facing the corresponding lock body, and each top rod is arranged in the corresponding top rod groove in a sliding manner close to the heat insulation shaft end.

Preferably, control by temperature change release mechanism includes two inserted bar grooves that the opening is opposite that are equipped with in the heat insulating board, every the inserted bar groove is located heat insulating axle department all is equipped with the opening towards the spout that breaks away from of heat insulating axle, every break away from all to slide in the spout and be equipped with the inserted bar, every the inserted bar is close to heat insulating axle department all slides and is equipped with the rack board, every the rack board all passes through rack spring connects on the spout inner wall that breaks away from that corresponds.

Preferably, emergent unlocking mechanism still includes the heat insulation shaft is close to the both ends of lock body are equipped with the branch, it is equipped with the connecting rod to slide in the branch of heat insulation shaft, every the ejector pin is close to and keeps away from the lock body side all is the wedge face, and the wedge face of ejector pin can push up the connecting rod and slide, the intermediate position of heat insulation shaft with the rack plate corresponds fixedly and is equipped with a gear, two rack plates of gear meshing simultaneously, every on the gear about the gear symmetry with the connecting rod corresponds the spread groove that is equipped with two openings towards heat insulation shaft, every all prescribe on the inner wall of spread groove and be equipped with a reset spring.

Preferably, the temperature control mechanism comprises each sealing box, two openings of which face the heat insulation plate are arranged on two sides of the lock body, which are arranged in the lock shell, each sealing box in the lock shell corresponds to two inserted rods, two heat insulation push plates are symmetrically arranged on each inserted rod relative to the inserted rod, and each heat insulation push plate extends into the corresponding sealing box.

Preferably, emergent unlocking mechanism still includes every all about on the inserted bar rack plate symmetry is equipped with two openings and deviates from the gas groove of thermal-insulated axle, every being located of gas groove all corresponding with the thermal-insulated push pedal of corresponding, every the opening part of gas groove all slides and is equipped with the telescopic link, every two the telescopic link is all fixed connection on the rack plate that corresponds, every be equipped with the gas groove in the thermal-insulated push pedal, every the gas groove all corresponds through pipeline UNICOM the gas groove.

Preferably, the temperature control mechanism further comprises air bags arranged in each sealing box, wherein the air bag in one lock shell is arranged at an opening close to the corresponding insertion rod groove, the air bag in the other lock shell is arranged at an opening far away from the corresponding insertion rod groove, and the side, close to the corresponding heat insulation push plate, of each air bag is connected to the heat insulation push plate through a push plate.

Preferably, temperature control mechanism still includes every be located in the lock shell the thermal-insulated push pedal with the sealed pad that the junction of plug-in lever was equipped with, sealed pad inner seal slides and is equipped with sealed slide, every the thermal-insulated push pedal all runs through the correspondence the intermediate position of sealed slide, and sealing connection on the sealed slide that corresponds prevents to obtain in the seal box in gaseous entering into the heat insulating board, every the thermal-insulated push pedal is kept away from and is all evenly equipped with a plurality of inlet port to corresponding gasbag side.

Has the advantages that: the gasbag takes place the inflation when receiving high temperature, and the gasbag inflation drives the push pedal and slides and push up through the push pedal and move thermal-insulated push pedal and slide, makes the push pedal drive and corresponds the inserted bar and slide, opens the lock under the condition that does not need the key, makes the people in the convenient warehouse flee, has avoided under dangerous condition, and the staff produces the condition in disorder and can't open the rolling slats door in warehouse the very first time and flee.

Because certain friction exists in the gear transmission process, the work done by power is lost, and the time for the inserted bar to slide in the inserted bar groove is shorter by disconnecting the rack plate and the gear, so that the lock can be opened more quickly.

When a fire disaster occurs outside the warehouse, the air bag in the locked external lock shell of the warehouse roller shutter door drives the inserted bar to slide when the air bag is subjected to high temperature, and the inserted bar slides into the insertion hole of the roller shutter door, so that the roller shutter door is locked better, and the fire disaster is prevented from spreading into the warehouse.

Drawings

FIG. 1 is a schematic view of the present invention in a forward direction;

FIG. 2 is a schematic diagram of a structural implementation of the present invention;

FIG. 3 is a schematic view of FIG. 2 taken along line A-A;

FIG. 4 is a schematic view of the direction B-B in FIG. 2;

FIG. 5 is a schematic view taken along the line C-C in FIG. 2;

FIG. 6 is an enlarged view of FIG. 2 at D;

FIG. 7 is an enlarged view of E in FIG. 4;

fig. 8 is a schematic view of the reverse appearance of the present invention.

In the drawings, a lock case 10; a seal box 11; a heat-insulating push plate 12; an air tank 13; a lock body 14; a lock cylinder 15; a pressing chamber 16; a top rod 17; a return spring 18; a heat insulating board 19; an insert rod 20; a disengagement chute 21; a rack plate 22; a connecting rod 23; a gear 24; a jack rod groove 25; a heat insulating shaft 27; a rack spring 28; a tuyere 29; a plug-in lever groove 30; an air bag 31; a push plate 32; a seal plate slide groove 33; a seal gasket 34; a seal slide plate 35; an air tank 36; an expansion link 37; a connecting groove 38; a return spring 45; an emergency unlocking mechanism 90; a temperature control mechanism 91; a temperature controlled unlocking mechanism 92.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Combine fig. 2, fig. 3, a fire control pickproof lock, including two lock cases 10, two fixed heat insulating boards 19 that are equipped with in the centre of lock case 10, be equipped with the inner chamber in the heat insulating board 19, all be equipped with a lock body 14 in every lock case 10 in relation to heat insulating board 19 symmetry, every lock body 14 all is equipped with the chamber 16 of pressing that the opening deviates from heat insulating board 19, all rotate and slide in every chamber 16 of pressing and be equipped with a lock core 15, every lock core 15 all connects on the inner wall that corresponds chamber 16 of pressing through reset spring 18, be equipped with emergent unlocking mechanism 90 that can normally unblank in two lock cases 10 and the heat insulating board 19, be equipped with the temperature control unlocking mechanism 92 that is used for emergent automatic unblanking in the heat insulating board 19, be equipped with the temperature control mechanism 91 that is used for induced temperature to make reaction control unlocking mechanism 92 in two lock cases 10.

Further, referring to fig. 2, the emergency unlocking mechanism 90 includes a top bar 17 fixedly disposed on the side of each lock cylinder 15 close to the heat-insulating plate 19, a heat-insulating shaft 27 is fixedly disposed on the side of each lock body 14 close to the heat-insulating plate 19, the heat-insulating shaft 27 is rotatably disposed on two side walls of the inner cavity of the heat-insulating plate 19, two ends of the heat-insulating shaft 27 are disposed in top bar grooves 25 with openings facing the corresponding lock bodies 14, and the end of each top bar 17 close to the heat-insulating shaft 27 is slidably disposed in the corresponding top bar groove 25.

Further, referring to fig. 2, the temperature controlled unlocking mechanism 92 includes two opposite-opening plunger slots 30 provided in the heat insulation plate 19, each plunger slot 30 is provided with a separation sliding slot 21 having an opening facing the heat insulation shaft 27 at the position of the heat insulation shaft 27, an plunger 20 is slidably provided in each separation sliding slot 21, each plunger 20 is slidably provided with a rack plate 22 at the position close to the heat insulation shaft 27, and each rack plate 22 is connected to the inner wall of the corresponding separation sliding slot 21 through a rack spring 28.

Further, with reference to fig. 2 and fig. 6, the emergency unlocking mechanism 90 further includes a heat insulation shaft 27, two ends of the heat insulation shaft 27 close to the lock body 14 are provided with branches, a connecting rod 23 is slidably disposed in the branches of the heat insulation shaft 27, a side of each ejector rod 17 close to and away from the lock body 14 is a wedge-shaped surface, the wedge-shaped surface of the ejector rod 17 can push the connecting rod 23 to slide, a gear 24 is fixedly disposed at a middle position of the heat insulation shaft 27 and corresponds to the rack plate 22, the gear 24 simultaneously engages with the two rack plates 22, two connecting grooves 38 with openings facing the heat insulation shaft 27 are disposed on each gear 24 and correspond to the connecting rod 23 with respect to symmetry of the gear 24, and a return spring 45 is disposed on an inner wall of each connecting groove 38.

Further, referring to fig. 2, the temperature control mechanism 91 includes two sealed cases 11 having openings facing the heat insulation plate 19 and disposed at both sides of the lock body 14 in each lock case 10, the two sealed cases 11 in each lock case 10 correspond to the two insert rods 20, two heat insulation push plates 12 are symmetrically disposed on each insert rod 20 with respect to the insert rod 20, and each heat insulation push plate 12 extends into the corresponding sealed case 11.

Further, with reference to fig. 2 and 6, the emergency unlocking mechanism 90 further includes two air grooves 36 with openings deviating from the heat insulation shaft 27 and symmetrically arranged on each inserting rod 20 with respect to the rack plate 22, each air groove 36 is located corresponding to the corresponding heat insulation push plate 12, an expansion link 37 is slidably arranged at the opening of each air groove 36, each two expansion links 37 are fixedly connected to the corresponding rack plate 22, an air groove 13 is arranged in each heat insulation push plate 12, and each air groove 13 is communicated with the corresponding air groove 36 through a pipeline.

Further, referring to fig. 2 and 4, the temperature control mechanism 91 further includes air bags 31 provided in each seal box 11, wherein the air bag 31 in one lock case 10 is provided at an opening close to the corresponding insertion rod groove 30, the air bag 31 in the other lock case 10 is provided at an opening far from the corresponding insertion rod groove 30, and the side of each air bag 31 close to the corresponding heat insulation push plate 12 is connected to the heat insulation push plate 12 through a push plate 32.

Further, with reference to fig. 6 and 7, the temperature control mechanism 91 further includes a sealing gasket 34 disposed at a joint between the heat insulation push plate 12 and the insertion rod 20 in each lock case 10, the sealing gasket 34 is disposed with a sealing sliding plate 35 in the sealing gasket 34 in a sliding manner, each heat insulation push plate 12 penetrates through an intermediate position of the corresponding sealing sliding plate 35, and is connected to the corresponding sealing sliding plate 35 in a sealing manner, so as to prevent the gas in the seal box 11 from entering the heat insulation plate 19, and a plurality of air inlets are uniformly disposed on a side of each heat insulation push plate 12 away from the corresponding airbag 31.

Initial state: the return spring 18 is in a normal state, the rack spring 28 is in a normal state, and the air inlet switch on the heat insulation push plate 12 is in a closed state, and the connecting rod 23 is inserted into the connecting groove 38.

The working principle is as follows: one surface of the air bag 31 close to the opening side of the inserted bar groove 30 is correspondingly arranged on the rolling door with the outer side surface of the rolling door, the lock core 15 and the lock body 14 are rotated by a key under normal conditions, the lock body 14 drives the gear 24 to rotate through the heat insulation shaft 27, the gear 24 drives the two inserted bars 20 to slide in the inserted bar groove 30 through the two rack plates 22, the inserted bars 20 are drawn out from the two slots of the rolling door, and the rolling door is opened.

When a fire disaster occurs in a warehouse, the air bag 31 close to the interior of the warehouse expands when the temperature in the warehouse is high, the air bag 31 expands to drive the push plate 32 to slide through the push plate 32 to push the heat insulation push plate 12 to slide, so that the push plate 32 pushes the heat insulation push plate 12 through the push plate 32 to slide, the corresponding inserted rod 20 is driven to slide, a lock is opened without a key, people in the warehouse can escape conveniently, a situation that a worker is in a hurry situation cannot open a rolling door of the warehouse to escape at the first time is avoided, the heat insulation plate 19 is heat insulation material, heat cannot be transmitted to the lock shell 10 outside through the heat insulation plate 19, rescue workers can rescue conveniently, gas in the sealed box 11 enters the heat insulation push plate 12 through an air inlet on the heat insulation push plate 12 while the heat insulation push plate 12 slides, and the heat insulation push plate 12 drives the sealing sliding plate 35 to slide together during the sliding of the heat insulation push plate 12, make the slide mouth of sealed seal box 11 of sealed slide 35 all the time, avoid the gas in the seal box 11 to be pressed in the no pressure heat insulating board 19, influence gas and enter into gas tank 36, and enter into gas tank 36 through the breather pipe on thermal-insulated push pedal 12 and the thermal-insulated push pedal 12, make the telescopic link 37 in the gas tank 36 ejecting, drive rack plate 22 and slide, make rack plate 22 and gear 24 disconnection, because there is certain frictional force among the gear drive process, the work that loss power did, can make the time that the inserted bar 20 slided in the inserted bar groove 30 shorter with rack plate 22 and gear 24 disconnection, make the faster opening of lock.

When a fire disaster occurs outside the warehouse, the air bag 31 in the external lock shell 10 of the locked warehouse roller shutter door simultaneously drives the inserted rod 20 to slide when receiving high temperature, the inserted rod 20 slides into the insertion hole of the roller shutter door, the roller shutter door is better locked, the fire disaster is prevented from spreading into the warehouse, goods in the warehouse are combusted, the fire disaster outside the warehouse is extinguished, the fire disaster outside the warehouse is inserted into the lock cylinder 15 through the key, the lock cylinder 15 is pressed down to drive the push rod 17 to slide, the wedge-shaped surface on the heat insulation shaft 27 drives the connecting rod 23 to slide, the connecting rod 23 is inserted into the corresponding connecting groove 38, the reset spring 45 is compressed, the heat insulation shaft 27 drives the inserted rod 20 to slide through the heat insulation shaft 27 by rotating the key, the warehouse door is opened, and the condition that the fire disaster cannot be extinguished after the fire disaster is extinguished is avoided.

After the lock is opened, the rack spring 28 drives the rack plate 22 to reset, so that the rack plate 22 is meshed with the gear 24 again, the gas in the gas groove 36 enters the sealed box 11 again through the opening of the heat insulation push plate 12, and the gas bag 31 is quickly recovered, thereby avoiding influencing the use of the lock.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a fire control pickproof lock, includes two lock cases (10), its characterized in that: the middle of the two lock cases (10) is fixedly provided with a heat insulation plate (19), an inner cavity is arranged in the heat insulation plate (19), each lock case (10) is internally provided with a lock body (14) in a manner of being symmetrical to the heat insulation plate (19), each lock body (14) is provided with a pressing cavity (16) with an opening deviating from the heat insulation plate (19), each pressing cavity (16) is internally provided with a lock cylinder (15) in a rotating and sliding manner, each lock cylinder (15) is connected to the inner wall corresponding to the pressing cavity (16) through a reset spring (18), two lock cases (10) and the heat insulation plate (19) are internally provided with emergency unlocking mechanisms (90) capable of normally unlocking, the temperature control lock is characterized in that a temperature control unlocking mechanism (92) used for emergency automatic unlocking is arranged in the heat insulation plate (19), and a temperature control mechanism (91) used for sensing temperature to react and control the temperature control unlocking mechanism (92) is arranged in the lock shell (10).

2. A fire fighting antitheft lock according to claim 1, characterized in that: emergent unlocking mechanism (90) are including every lock core (15) are close to ejector pin (17) that heat insulating board (19) side was fixed to be equipped with, two lock bodies (14) are close to heat insulating board (19) side is fixed jointly and is equipped with one and separates heat axle (27), it establishes to separate heat axle (27) rotation on the both sides wall of heat insulating board (19) inner chamber, separate heat axle (27) both ends about being equipped with ejector pin groove (25) that the opening orientation corresponds lock body (14), every ejector pin (17) are close to it establishes all to slide to separate heat axle (27) end and correspond in ejector pin groove (25).

3. A fire fighting antitheft lock according to claim 2, characterized in that: temperature control unlocking mechanism (92) include two inserted bar grooves (30) that the opening is opposite that are equipped with in heat insulating board (19), every inserted bar groove (30) are located heat insulating axle (27) department all is equipped with opening orientation separation spout (21) of heat insulating axle (27), every it is equipped with inserted bar (20) all to slide in the separation spout (21), every inserted bar (20) are close to heat insulating axle (27) department all slides and is equipped with rack plate (22), every rack plate (22) all pass through rack spring (28) are connected on corresponding separation spout (21) inner wall.

4. A fire fighting antitheft lock according to claim 3, characterized in that: emergent unlocking mechanism (90) still includes heat-insulating shaft (27) are close to the both ends of lock body (14) are equipped with branch, it is equipped with connecting rod (23) to slide in the branch of heat-insulating shaft (27), every ejector pin (17) are close to and keep away from lock body (14) side all is the wedge, and the wedge of ejector pin (17) can push up connecting rod (23) and slide, the intermediate position of heat-insulating shaft (27) with rack plate (22) correspond fixedly and are equipped with one gear (24), two rack plates (22) of gear (24) meshing simultaneously, every on gear (24) be concerned with gear (24) symmetry with connecting rod (23) correspond connecting groove (38) that are equipped with two openings towards heat-insulating shaft (27), every all prescribe on the inner wall of connecting groove (38) and be equipped with one reset spring (45).

5. A fire fighting antitheft lock according to claim 4, characterized in that: temperature control mechanism (91) include every be located in lock shell (10) two openings that lock body (14) both sides all were equipped with are towards seal box (11) of heat insulating board (19), every two seal box (11) in lock shell (10) are corresponding with two inserted bar (20), every on inserted bar (20) about inserted bar (20) all the symmetry is equipped with two thermal-insulated push pedal (12), every thermal-insulated push pedal (12) all stretch into correspondingly in seal box (11).

6. A fire fighting antitheft lock according to claim 5, characterized in that: emergent unlocking mechanism (90) still include every all about on inserted bar (20) rack plate (22) symmetry is equipped with two openings and deviates from gas tank (36) of thermal-insulated axle (27), every being located of gas tank (36) all corresponding with corresponding thermal-insulated push pedal (12), every opening part of gas tank (36) all slides and is equipped with telescopic link (37), every two telescopic link (37) all fixed connection is on corresponding rack plate (22), every be equipped with gas tank (13) in thermal-insulated push pedal (12), every gas tank (13) all correspond through pipeline UNICOM gas tank (36).

7. A fire fighting antitheft lock according to claim 6, characterized in that: temperature control mechanism (91) still include every gasbag (31) that are equipped with in seal box (11), gasbag (31) in one of them lock shell (10) are established and are being close to the opening part that corresponds plunger groove (30), and gasbag (31) in another lock shell (10) are established and are being kept away from the opening part that corresponds plunger groove (30), every gasbag (31) are close to corresponding thermal-insulated push pedal (12) side and all connect on thermal-insulated push pedal (12) through push pedal (32).

8. A fire fighting theft protection lock as defined in claim 7, wherein: temperature control mechanism (91) still includes every be located in lock shell (10) thermal-insulated push pedal (12) with sealed pad (34) that the junction of inserted bar (20) was equipped with, sealed pad (34) internal seal slides and is equipped with sealed slide (35), every thermal-insulated push pedal (12) all runs through the correspondence the intermediate position of sealed slide (35), and sealing connection on sealed slide (35) that correspond prevent to obtain in seal box (11) in gaseous entering heat insulating board (19), every thermal-insulated push pedal (12) keep away from corresponding gasbag (31) side and all evenly are equipped with a plurality of inlet port.