CN213115864U

CN213115864U - Emergency device for escape door

Info

Publication number: CN213115864U
Application number: CN202020842998.0U
Authority: CN
Inventors: 吕菲; 杨永国
Original assignee: 8mm Technology Guangdong Co ltd
Current assignee: 8mm Technology Guangdong Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-05-04
Anticipated expiration: 2030-05-19

Abstract

An emergency device for an escape door comprises a door body, a pressing external member and a locking external member, wherein the pressing external member comprises a shell, a standby battery, a fixed contact end, a pressing block, a reset spring, a swinging piece and a sensor, the locking external member comprises a shell, an electromagnetic coil, a fixed iron core, a bolt and a pushing spring, the pressing block is used for sliding to be close to the fixed contact end, so that the standby battery is communicated to the electromagnetic coil, the bolt is pulled out from a wall body, the door body is in an unlocking state, the sensor is arranged outside the door body, the sensor is used for triggering the swinging piece, the swinging piece is far away from the pressing block, the pressing block is far away from the fixed contact end under the action of the reset spring, so that the electromagnetic coil is powered off, finally, the bolt is reinserted into the wall body under the action of the pushing spring, and the door body is in a locked state again, when the door, and the door body can be automatically locked again after being forcibly opened, and meanwhile, the opening time can be shortened.

Description

Emergency device for escape door

Technical Field

The utility model relates to a technical field of door especially relates to an emergency device for escape door.

Background

A door is a doorway of a building or a facility that can be opened and closed and is installed at the doorway, and is also called an escape door because of its escape function. The door is usually provided with a lock cylinder for locking the door, and when the door is locked by the lock cylinder, the door cannot be opened. In the past, the lock cylinder is usually manually closed or opened manually, and the lock cylinder and the door are two independent parts, but with the development of science and technology, various electronic locks driven by electric power are increasingly common, and the lock and the door are combined into a whole, so that the lock cylinder cannot be damaged simply and can enter a room, and the personal and property safety of people is effectively guaranteed.

However, although various electronic locks make people live more conveniently, the following problems still exist in the current doors:

firstly, if the power failure or fault problem occurs, the lock pin of the door cannot be normally opened, which can cause people inside to face the risk of being trapped;

secondly, the existing door is lack of a self-recovery function, specifically, when the lock pin of the door cannot be normally opened, the lock pin is usually damaged violently, the lock pin is pulled out manually, so that the door can be opened, and the door which is forcibly opened violently cannot be self-locked and needs to be repaired to recover the security function;

finally, the escape switch that manually opens is installed to present part door, but this type of switch is touched in order to prevent by the mistake, often can be provided with safeguard procedures, and this type of safeguard procedures often can delay the time of fleing of the crowd of being trapped to lead to people can't in time to open the escape switch.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide one kind when the door breaks down or cuts off the power supply, still can normally be opened, the door can be automatic relocking after being forced to open moreover, can shorten the emergency device of emergency exits of opening time simultaneously.

The purpose of the utility model is realized through the following technical scheme:

an emergency exit device comprising:

a door body;

the pressing external member comprises a shell, a standby battery, a fixed contact end, a pressing block, a reset spring, a swinging piece and an inductor, wherein the shell and the standby battery are arranged on the door body, the shell is provided with an accommodating cavity, the fixed contact end is arranged at the bottom of the accommodating cavity, the fixed contact end is connected with the standby battery, the pressing block is arranged in the accommodating cavity in a sliding mode, two ends of the reset spring are respectively abutted against the shell and the pressing block, the swinging piece is movably arranged on the shell and is clamped with the pressing block, the inductor is arranged on the outer side of the door body, and the inductor is connected with the swinging piece; and

the locking external member, the locking external member includes casing, solenoid, decides iron core, bolt and ejection spring, the casing set up in on the door body, solenoid set up in the casing, solenoid with press the briquetting and be connected, decide the iron core set up in the solenoid, the bolt is worn to establish solenoid, ejection spring's both ends respectively with the bolt reaches door body looks butt.

In one embodiment, the swinging member includes a rod, an extrusion spring and an attraction coil, the rod is movably disposed on the housing, the extrusion spring is configured to abut against the rod and the housing, respectively, so that the rod is clamped with the pressing block, the attraction coil is disposed on the housing, and the attraction coil is connected with the inductor.

In one embodiment, the pressing block comprises a pressing body and a movable contact end, the movable contact end is arranged on the pressing body, and the movable contact end is connected with the electromagnetic coil.

In one embodiment, the movable contact end comprises two metal spring pieces, and a space is arranged between the two metal spring pieces.

In one embodiment, a bent part is arranged on an end part of the metal elastic sheet.

In one embodiment, the pressing kit further comprises a protective shell disposed on the housing, the swinging member being located within the protective shell.

In one embodiment, the axis of the fixed iron core coincides with the axis of the bolt.

In one embodiment, the locking kit further comprises a clamp spring, the clamp spring is arranged on the plug pin, and the clamp spring is abutted against the ejection spring.

In one embodiment, the door body is provided with an installation groove, and the standby battery is accommodated in the installation groove.

In one embodiment, the pressing kit further comprises an insulating colloid, and the insulating colloid is wrapped on the standby battery.

Compared with the prior art, the utility model discloses at least, following advantage has:

the utility model discloses an emergency device for escape door, including the door body, press external member and locking external member, press the external member including shell, stand-by battery, decide the contact terminal, press the piece, reset spring, swinging member and inductor, the locking external member includes casing, solenoid, fixed iron core, bolt and ejection spring, press the piece to be used for sliding and be close to deciding the contact terminal, thereby make stand-by battery communicate to solenoid, thereby make the bolt extract from the wall body, and then make the door body be in the unblock state, the inductor is installed outside the door body, the inductor is used for triggering the swinging member, make the swinging member keep away from the press piece, thereby make the press piece keep away from deciding the contact terminal under the reset spring effect, so that solenoid cuts off the power supply, finally the bolt reinserts into the wall body under the ejection spring effect, make the door body be in locked state again, the emergency device for escape door of the utility, when the door body breaks down or is powered off, the door body can still be normally opened, the door can be automatically locked again after being forcibly opened, and meanwhile, the opening time can be shortened.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an emergency device of an escape door according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the pressing assembly shown in FIG. 1;

FIG. 3 is a cut-away schematic view of the pendulum shown in FIG. 2;

FIG. 4 is a cutaway schematic view of the locking assembly shown in FIG. 1;

fig. 5 is a schematic view of a portion a of fig. 2.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It is noted that as used herein, reference to an element being "connected" to another element also means that the element is "in communication" with the other element, and fluid can be in exchange communication between the two.

Referring to fig. 1, an emergency device 10 for an escape door includes a door body 100, a pressing kit 200 and a locking kit 300, the door body 100 is slidably mounted on a wall body so that the door body 100 can shield or expose an exit of the wall body, the pressing kit 200 is mounted on a side of the door body 100 close to the room, the pressing kit 200 is used for starting the locking kit 300 so that the locking kit 300 can be pulled out of a pin for locking the door body 100, the emergency device 10 for an escape door of the present invention includes the door body 100, the pressing kit 200 and the locking kit 300, since the pressing kit 200 and the locking kit 300 independently supply power, when the door fails or is powered off, the emergency device can be rapidly and forcibly opened, and even if the emergency device is forcibly opened, when a trapped person leaves, the pin on the door can clamp the door again, i.e. the automatic re-locking function is realized, and the pressing kit 200 does not need to be provided with an anti-, thereby enabling to shorten the time during which the door is forcibly opened.

Referring to fig. 1 and 2, the pressing kit 200 includes a housing 210, a backup battery 220, a stationary contact 230, a pressing block 240, a return spring 250, a swinging member 260 and a sensor, wherein the housing 210 and the backup battery 220 are both disposed on the door body 100, the housing 210 is provided with an accommodating cavity 211, the stationary contact 230 is disposed at the bottom of the accommodating cavity 211, the stationary contact 230 is connected with the backup battery 220, the pressing block 240 is slidably disposed in the accommodating cavity 211, two ends of the return spring 250 are respectively abutted against the housing 210 and the pressing block 240, the swinging member 260 is movably disposed on the housing 210, the swinging member 260 is clamped with the pressing block 240, the sensor is disposed on an outer side of the door body 100, and the sensor is connected with the swinging member 260.

It should be noted that, the outer shell 210 is installed on the door body 100, and the outer shell 210 is installed on one side of the door body 100 close to the indoor, the outer shell 210 is provided with the accommodating cavity 211, the fixed contact end 230 is installed at the bottom of the accommodating cavity 211, and the pressing block 240 is slidably disposed in the accommodating cavity 211, in an embodiment, in order to make the pressing block 240 slide more stably in the accommodating cavity 211, a guide rib is disposed on a side wall of the accommodating cavity 211, a guide groove is formed at a corresponding position of the pressing block 240, and the guide rib is tightly fitted with the guide groove, so that the pressing block 240 can slide in the accommodating cavity 211, and a bottom wall of the pressing block 240 can be close to or far away from the fixed contact end 230 installed at the bottom of the accommodating cavity 211; two ends of the return spring 250 are respectively abutted against the bottom of the accommodating cavity 211 and the bottom wall of the pressing block 240, so that the pressing block 240 has a tendency of being away from the accommodating cavity 211 under the elastic acting force of the return spring 250; the swinging member 260 is movably disposed on the housing 210, in an embodiment, the swinging member 260 is rotatably mounted on the housing 210, and specifically, the swinging member 260 is connected to the housing 210 by a protrusion, so that the swinging member 260 can rotate relative to the housing 210 along the protrusion, and further, the swinging member 260 can abut against the pressing block 240, so as to achieve the purpose of clamping the pressing block 240; the inductor is installed in the outside of door body 100, when stranded person has started escape door emergency device 10, and when escaping from being stranded, can trigger the inductor that is located the door body 100 outside, because the inductor is connected with swinging member 260, therefore swinging member 260 can loosen and press the joint of piece 240, press piece 240 and keep away from fixed contact end 230 under reset spring 250's elastic force, finally make locking external member 300 lock door body 100 again, realized the self-locking function who locks again after forcing to open, and because backup battery 220 independently supplies power, consequently, even outage or door body 100 breaks down, also can ensure that door body 100 can be forced to open.

Referring to fig. 3, in an embodiment, the swinging member 260 includes a rod 261, an extruding spring 262 and an attracting coil 263, the rod 261 is movably disposed on the housing 210, the extruding spring 262 is used to abut against the rod 261 and the housing 210, respectively, so that the rod 261 is clamped with the pressing block 240, the attracting coil 263 is disposed on the housing 210, and the attracting coil 263 is connected to the inductor.

It should be noted that a through hole is formed in the side wall of the outer shell 210, the rod 261 is rotatably disposed in the through hole, specifically, the middle position of the rod 261 is connected to the side wall of the through hole, so that the rod 261 can rotate relative to the outer shell 210, and thus one end of the rod 261 can extend into the accommodating cavity 211 to clamp the pressing block 240; the extrusion spring 262 is installed at the other end of the rod 261, specifically, one end of the extrusion spring 262 is abutted against the housing 210, and the other end of the extrusion spring 262 is abutted against one end of the rod 261, so that the other end of the rod 261 extends into the accommodating cavity 211 to clamp the pressing block 240; further, the attracting coil 263 is installed on the outer shell 210, and the end of the attracting coil 263 is aligned with one end of the rod 261 close to the clamping and pressing block 240, and the attracting coil 263 is connected with the inductor, so that when the inductor located outside the door body 100 is triggered, the attracting coil 263 is energized to generate electromagnetic force, and further attracts the rod 261, so that the rod 261 gives up the clamping to the pressing block 240, and further the pressing block 240 is far away from the fixed contact end 230 under the elastic acting force of the reset spring 250, and further the locking external member 300 locks the door body 100 again.

Referring to fig. 1 and 4, the locking assembly 300 includes a housing 310, an electromagnetic coil 320, a fixed iron core 330, a bolt 340 and a pushing spring 350, the housing 310 is disposed on the door body 100, the electromagnetic coil 320 is disposed in the housing 310, the electromagnetic coil 320 is connected to the pressing block 240, the fixed iron core 330 is disposed in the electromagnetic coil 320, the bolt 340 penetrates through the electromagnetic coil 320, and two ends of the pushing spring 350 are respectively abutted against the bolt 340 and the door body 100.

It should be noted that, the housing 310 is installed on the door body 100, the electromagnetic coil 320 is installed in the housing 310, the fixed iron core 330 is installed and fixed in the electromagnetic coil 320, and the fixed iron core 330 is close to the end of the electromagnetic coil 320, the latch 340 is installed on the electromagnetic coil 320 in a penetrating manner, the ejection spring 350 makes the fixed iron core 330 have a tendency of being away from the fixed iron core 330 by using its own elastic force, that is, in the case that the electromagnetic coil 320 is not energized, the electromagnetic coil 320 does not generate a magnetic field, so the acting force of the latch 340 on the ejection spring 350 will extend from the door body 100 to the wall, so that the door body 100 is in a locked state, when the electromagnetic coil 320 is energized to generate a magnetic field, the fixed iron core 330 and the latch 340 are equivalent to two magnets in the magnetic force line, because the fixed iron core 330 is fixed, the latch 340 moves toward the direction close to the fixed, the latch 340 is retracted from the wall, so that the door 100 is in an unlocked state, and at this time, the door 100 can be pushed.

Referring to fig. 2 and 5, the pressing block 240 includes a pressing body 241 and a movable contact 242, the movable contact 242 is disposed on the pressing body 241, and the movable contact 242 is connected to the electromagnetic coil 320.

It should be noted that, when the pressing block 240 is pressed to be close to the fixed contact end 230, that is, the pressing body 241 is pressed to be close to the fixed contact end 230, so that the movable contact end 242 is contacted with the fixed contact end 230, since the fixed contact end 230 is connected with the backup battery 220, and the movable contact end 242 is connected with the electromagnetic coil 320, the electromagnetic coil 320 is energized to generate a magnetic field, and the latch 340 is withdrawn from the wall, so that the door body 100 is in the unlocked state.

It should be noted that, when a trapped person presses the pressing body 241 indoors, the rod 261 in the swinging member 260 keeps the contact state between the movable contact end 242 and the fixed contact end 230 unchanged under the action of the pressing spring 262, so that the electromagnetic coil 320 is energized to generate a magnetic field, and the latch 340 is further withdrawn from the wall, the door body 100 is in an unlocked state, the trapped person can push the door body 100 away manually, after the trapped person closes the door body 100, the sensor located outside the door body 100 is triggered at this time, since the sensor is connected to the swinging member 260, specifically connected to the attraction coil 263 in the swinging member 260, when the attraction coil 263 is energized to generate a magnetic force, the rod 261 is attracted, so that the rod 261 is away from the pressing body 241 and ends to clamp the pressing body 241, so that the movable contact end 242 is separated from the fixed contact end 230, and the magnetic force of the electromagnetic coil 320 disappears, and the latch 340 is reinserted into the wall under the action of the elastic force of the pushing spring 350, so that the door body 100 is in the locked state again, it should be noted that the backup battery 220 is located in the door body 100, and will be connected to the commercial power, when the commercial power is cut off, the standby battery 220 can be used as a standby power supply to ensure that the emergency device 10 of the escape door of the utility model still works and plays a role of opening the door in emergency, when the door body 100 is not powered off or has a fault, the door body is controlled by the normally used electronic lock, thus, the emergency device 10 of the escape door of the utility model can ensure that when the door breaks down or is powered off and the electronic lock which is used normally is out of work, the power is supplied by the backup battery 220, so that the latch 340 on the door body 100 can be forcibly released, and when the door body 100 is closed again, the door body 100 can be locked again, so that the escape time of a trapped person is reduced, the door body 100 cannot be destroyed violently, and self-locking can be performed again.

Referring to fig. 5 again, the movable contact 242 includes two metal spring pieces 242a, and a space is provided between the two metal spring pieces 242 a. It should be noted that, the two metal elastic pieces 242a are used to clamp the fixed contact end 230, so as to ensure that the movable contact end 242 is in good contact with the fixed contact end 230, in an embodiment, the fixed contact end 230 is in a sheet structure; in one embodiment, a bent portion is disposed at an end of the metal elastic piece 242a, so that the fixed contact 230 can be better inserted between the two metal elastic pieces 242 a.

Referring to fig. 2 again, the pressing kit 200 further includes a protective shell 270, the protective shell 270 is disposed on the housing 210, the swinging member 260 is located in the protective shell 270, and the protective shell 270 is used for protecting the swinging member 260, so that the swinging member 260 can be effectively prevented from being damaged.

Referring to fig. 4 again, in an embodiment, the axis of the fixed core 330 coincides with the axis of the pin 340, so that the pin 340 can be ensured to move more stably relative to the fixed core 330.

Referring to fig. 4 again, the locking assembly 300 further includes a snap spring 360, the snap spring 360 is disposed on the plug 340, and the snap spring 360 abuts against the pushing spring 350. It should be noted that, a clamping groove is formed at a corresponding position on the plug pin 340, and the clamp spring 360 is accommodated in the clamping groove, so that the clamp spring 360 can abut against the ejection spring 350, and the clamp spring 360 is disposed, instead of the protrusion disposed on the plug pin 340, which is beneficial to mounting the ejection spring 350 on the plug pin 340.

Referring to fig. 1 again, the door body 100 is provided with a mounting groove 110, and the backup battery 220 is accommodated in the mounting groove 110. The spare battery 220 is arranged in the mounting groove 110, and then the mounting groove 110 is sealed by using a baffle plate, so that the spare battery 220 can be effectively protected; in one embodiment, the pressing kit 200 further includes an insulating gel covering the battery pack 220, so that the battery pack 220 can be further protected.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An emergency device for an escape door, comprising:

a door body;

2. The emergency device of claim 1, wherein the swing member comprises a rod, an extrusion spring and an actuation coil, the rod is movably disposed on the housing, the extrusion spring is respectively abutted against the rod and the housing, so that the rod is clamped with the pressing block, the actuation coil is disposed on the housing, and the actuation coil is connected to the sensor.

3. The emergency device of claim 1, wherein the pressing member comprises a pressing body and a movable contact end, the movable contact end is disposed on the pressing body, and the movable contact end is connected to the electromagnetic coil.

4. The emergency device of claim 3, wherein the movable contact comprises two metal strips, and a space is provided between the two metal strips.

5. The emergency device of claim 4, wherein the metal spring plate has a bent portion at an end thereof.

6. The escape door emergency device of claim 1 wherein said pressing assembly further comprises a protective shell disposed on said housing, said oscillating member being located within said protective shell.

7. The emergency exit device of claim 1, wherein the axis of the plunger coincides with the axis of the pin.

8. The emergency device of claim 1, wherein the locking assembly further comprises a snap spring disposed on the plug and abutting against the ejection spring.

9. The emergency device of claim 1, wherein the door body defines an installation slot, and the backup battery is received in the installation slot.

10. The emergency exit device of claim 1, wherein the pressing member further comprises an insulating gel coated on the battery pack.