CN216406607U - Anti-explosion fire rescue door - Google Patents

Abstract

The utility model provides an anti-explosion fire rescue door, which comprises: the vertical hinged door comprises a door frame arranged on a wall body and a door leaf hinged to the door frame through a plurality of anti-explosion hinges, and the door leaf is provided with a door lock allowing a person to open from the outer side of the wall body; the door leaf limiting mechanism is used for limiting the opening angle of the door leaf towards the outer side of the wall body; the rescue overturning platform comprises a standing plate, one side of the standing plate is hinged to the bottom of the door frame, the other side of the standing plate is provided with a protective guard structure allowing personnel to pass through, and a swing constraint structure is arranged between the standing plate and the side hung door. The utility model can facilitate personnel to open the door leaf from the outer side of the wall body by using a conventional means and quickly build the rescue overturning platform extending out of the wall body, thereby ensuring the safety of personnel and equipment and providing safe and reliable conditions for quick rescue actions.

Description

Anti-explosion fire rescue door

Technical Field

The utility model relates to the technical field of fire fighting, in particular to an anti-explosion fire rescue door.

Background

At present, the door and window design characteristics of an anti-explosion building are as follows: the buildings with more than two floors are not provided with evacuation channels which are directly communicated with the outside or openable external windows; more serious is that: the anti-explosion fixed window is not easy to break and detach so that fire rescue workers can enter the building to rescue. Meanwhile, the door and window structure of the existing anti-explosion building does not conform to the newly added mandatory provisions in the existing national standard ' fire protection code for building design ' (GB50016-2014), namely, the relevant provisions that windows for fire rescue workers to enter are arranged at proper positions of each floor on the outer walls of factory buildings, warehouses and public buildings ' and the like.

The fire rescue door that has antiknock function now: the structure of the door leaf is not a conventional side-hung structure, but a door leaf is in a downward-hanging type, the weight of the door leaf is large, personal injury accidents are easy to happen in the opening process, and when the door leaf is used as a fire rescue platform after being opened, personnel falling risks also exist.

For example, the chinese patent application No. 201810382673.6 discloses a underslung fire rescue door, which includes a door jamb, a door leaf installed in the door jamb, a connecting rod, etc., wherein the door leaf is open in an underslung manner, and after being opened, the door leaf is connected and fixed with the door jamb by the connecting rod and kept in a horizontal state, so as to be used as a fire rescue platform. However, the underslung fire rescue door is complicated in the door lock opening process, the door leaf is heavy, the rotation radius is large, rescuers must know the unconventional special door structure before opening the door and prepare safety protection in advance, otherwise, the door is likely to be injured or the equipment is damaged in the door opening process. When the door leaf is opened and is used as a fire rescue platform, the platform is not provided with surrounding facilities all around, so that falling accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

In view of the above drawbacks of the prior art, the technical problem to be solved by the present invention is to provide an anti-explosion fire rescue door, which is capable of facilitating personnel to open a door leaf from the outside of a wall by a conventional means and quickly set up a rescue overturning platform extending out of the wall, so as to ensure the safety of personnel and equipment, and provide safe and reliable conditions for quick rescue actions.

In order to solve the above technical problems, the present invention provides an anti-explosion fire rescue door, comprising:

the vertical hinged door comprises a door frame arranged on a wall body and a door leaf hinged to the door frame through a plurality of anti-explosion hinges, and the door leaf is provided with a door lock allowing a person to open from the outer side of the wall body;

the door leaf limiting mechanism is used for limiting the opening angle of the door leaf towards the outer side of the wall body;

the rescue overturning platform comprises a standing plate, one side of the standing plate is hinged to the bottom of the door frame, the other side of the standing plate is provided with a protective guard structure allowing personnel to pass through, and a swing constraint structure is arranged between the standing plate and the vertical hinged door;

when the door leaf is closed, the standing plate is erected on the inner side of the door leaf, and the guard rail structure is suspended indoors to prevent people from approaching or avoid goods from being stacked; when the door leaf is opened towards the outer side of the wall body, the standing plate swings towards the outer side of the wall body to be in a horizontal state or an inclined state under the limiting action of the swing constraint structure, and the guard rail structure and the door leaf jointly form a falling-proof structure.

Preferably, the door frame is made of channel steel or steel plates, and the door frame is fixedly connected with a steel embedded part or an existing steel structure in a wall body in a welding mode.

Preferably, the door leaf is formed by welding profile steel keel, inner door board and outer door board, and fire-retardant fireproof material is filled in the inside cavity of door leaf, is equipped with the antiknock observation window on the door leaf.

Preferably, the swing constraint structure comprises a supporting piece or a diagonal pulling piece, the supporting piece is arranged on the inner side wall of the door leaf to push the edge of the standing plate upwards, and the diagonal pulling piece is respectively connected with the door frame and the standing plate.

Preferably, a hanging piece is arranged on one side, away from the wall body, of the standing plate, and the hanging piece is used for installing the rescue rope ladder.

Preferably, the door lock includes a door handle exposed to an outer sidewall of the door leaf; the door leaf is provided with a protective cover which is used for covering the door handle.

Preferably, the door lock further comprises a plurality of bolts and a linkage mechanism, and the plurality of bolts are arranged on the door leaf and are in transmission connection with the door handle through the linkage mechanism.

Preferably, the door leaf limiting mechanism comprises a movable rod arranged on the door leaf, a cantilever frame arranged on the wall or the door frame, a stop lever plate arranged on the cantilever frame, a hanging ring rod arranged on the cantilever frame and a lock rod ring which is sleeved on the hanging ring rod and can only move towards the stop lever plate; when the door leaf is opened to the limit position towards the outer side of the wall body, the movable rod pushes the lock rod ring horizontally and then abuts against the stop rod plate, and then the lock rod ring resets and restrains the movable rod together with the stop rod plate.

Preferably, antiknock fire rescue door still includes alarm system, and alarm system includes master controller, alarm button and a plurality of buzzer light, and alarm button and buzzer light all with master controller communication connection, alarm button locates the inside wall of wall body, and a plurality of buzzer lights are located respectively on the inside wall and the lateral wall of wall body.

Preferably, the guard rail structure comprises a warning peripheral belt and a fence rod arranged in the warning peripheral belt.

Preferably, the number of the door leaves is two, and the two door leaves are symmetrically arranged on the left side and the right side of the door frame.

As mentioned above, the anti-explosion fire rescue door has the following beneficial effects: in above-mentioned utility model, when appearing hidden danger or disaster, at first, outside personnel arrive at the outside of wall body through fire-fighting equipment, and the outer wall personnel untie above-mentioned lock to open the door leaf, increase to when predetermineeing the angle when opening of door leaf, door leaf stop gear can retrain the door leaf, make the door leaf keep the stationary state, avoid the door leaf swing back and forth. Secondly, outside personnel turn the standing plate of the rescue overturning platform to the horizontal state or the inclined state towards the outer side of the wall body, and under the ordinary condition, the standing plate is turned to the horizontal state so that the personnel can stand conveniently. Because the swing constraint structure is arranged between the standing plate and the vertical hinged door, the standing plate can swing towards the outer side of the wall body to a preset use state under the limiting action of the swing constraint structure, and at the moment, the standing plate is in a stable state. More importantly: the guard rail structure and the door leaf jointly form a falling-proof structure. Therefore, when a person stands on the standing plate, the person is not easy to fall off; since the guard rail structure is to allow a person to pass through, an outside person may enter the room through the hole of the guard rail structure, or an inside person may climb to the fire fighting equipment through the hole of the guard rail structure. When hidden danger or disaster do not appear, above-mentioned station board erects in the inboard of door leaf, and above-mentioned rail guard structure stretches into indoor and be in the state of encorbelmenting, and at this moment, rail guard structure has following technological effect concurrently: not only can prevent personnel to be close to, avoid taking place inside personnel and fall the risk because of opening the door leaf, perhaps avoid the goods to stack to can vacate necessary fire control region. Therefore, the anti-explosion fire rescue door can facilitate personnel to open the door leaf from the outer side of the wall body by using a conventional means and quickly build the rescue overturning platform extending out of the wall body, so that the safety of the personnel and equipment is ensured, and safe and reliable conditions are provided for quick rescue actions.

Drawings

FIG. 1 shows a first perspective view of the closed condition of the antiknock fire rescue door of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 shows a second perspective view of the closed condition of the antiknock fire rescue door of the present invention;

FIG. 4 is a front view of the closed position of the anti-knock rescue door;

FIG. 5 is a rear view of the closed position of the anti-knock rescue door;

FIG. 6 shows a first perspective view of the open condition of the anti-knock fire rescue door of the present invention;

FIG. 7 is an enlarged view of portion B of FIG. 6;

FIG. 8 shows a second perspective view of the open condition of the anti-knock fire rescue door of the present invention;

fig. 9 is a side view showing an opened state of the antiknock fire rescue door.

Description of the element reference numerals

1 wall body

2 vertical hinged door

21 door frame

22 door leaf

23 door lock

231 door handle

232 bolt

233 linkage mechanism

24 protective cover

241 fire-fighting glass block

25 antiknock hinge

26 antiknock observation window

3 door leaf stop gear

31 active lever

32 overhanging frame

33 stop lever plate

34 hanging ring rod

35 locking bar ring

4 rescue roll-over table

41 standing board

42 protective guard structure

421 warning peripheral belt

422 fence rod

43 swing restricting structure

431 support

432 diagonal pulling piece

44 suspension member

5 alarm system

51 master controller

52 alarm button

53 buzzer lamp

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions that the present disclosure can be implemented, so that the present disclosure is not limited to the technical essence, and any structural modifications, ratio changes, or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

In fig. 1, 3, 6, and 8, the positive X-axis direction is the outdoor direction, and the negative X-axis direction is the indoor direction.

As shown in fig. 1 to 9, the present invention provides an anti-knock fire rescue door, including:

the vertical hinged door 2 comprises a door frame 21 arranged on the wall body 1 and a door leaf 22 hinged to the door frame 21 through a plurality of anti-explosion hinges 25, and a door lock 23 allowing a person to open from the outer side of the wall body 1 is arranged on the door leaf 22;

the door leaf limiting mechanism 3 is used for limiting the opening angle of the door leaf 22 towards the outer side of the wall body 1;

the rescue overturning platform 4 comprises a standing plate 41, one side of the standing plate 41 is hinged to the bottom of the door frame 21, the other side of the standing plate 41 is provided with a guard rail structure 42 allowing personnel to pass through, and a swing constraint structure 43 is arranged between the standing plate 41 and the vertical hinged door 2;

when the door 22 is closed, the standing plate 41 stands on the inner side of the door 22, and the guard rail structure 42 is suspended indoors to prevent people from approaching or goods from being stacked; when the door 22 is opened towards the outside of the wall 1, the standing board 41 swings towards the outside of the wall 1 to a horizontal state or an inclined state under the limiting action of the swing restricting structure 43, and the guard rail structure 42 and the door 22 together form a falling-preventing structure.

In the above-mentioned utility model, when appearing hidden danger or disaster (for example explosion, conflagration), at first, outside personnel (for example firemen) arrive the outside of wall body 1 through fire-fighting equipment, and the outer wall personnel untie above-mentioned lock 23 to open door leaf 22, when the angle of opening of door leaf 22 increases to predetermineeing angle (for example 90 degrees), door leaf stop gear 3 can retrain door leaf 22, makes door leaf 22 keep fixed state, avoids door leaf 22 swing back and forth. Next, the outside person turns the standing plate 41 of the rescue turning table 4 to a horizontal state or an inclined state toward the outside of the wall body 1, and normally, turns the standing plate 41 to the horizontal state to facilitate the person to stand. Because the swing constraint structure 43 is arranged between the standing plate 41 and the vertical hinged door 2, the standing plate 41 can swing to a preset use state (a horizontal state or an inclined state) towards the outer side of the wall body 1 under the limiting action of the swing constraint structure 43, and at the moment, the standing plate 41 is in a stable state. More importantly: the guard rail structure 42 and the door leaf 22 together form a fall arrest structure. Thus, when a person stands on the standing plate 41, the person is not easy to fall; since the guard rail structure 42 is to allow a person to pass through, outside persons may enter the room through the hole of the guard rail structure 42, or inside persons may climb to fire fighting equipment (e.g., a fire elevator, a fire lift table) through the hole of the guard rail structure 42. When no hidden trouble or disaster occurs, the standing plate 41 stands on the inner side of the door 22, and the guard rail structure 42 extends into the room and is in an overhanging state (see fig. 3 and 5 in particular), at this time, the guard rail structure 42 has the following technical effects: not only can the person be stopped from approaching and the risk of falling of the person inside by opening the door leaf 22 is avoided, or the goods are prevented from being stacked, so that the necessary fire-fighting area can be vacated.

Therefore, compared with the existing underslung fire rescue door, the anti-explosion fire rescue door can facilitate personnel to open the door leaf 22 from the outer side of the wall body 1 by using a conventional method and quickly build the rescue overturning platform 4 extending out of the wall body 1, so that the safety of the personnel and equipment is ensured, and safe and reliable conditions are provided for quick rescue actions.

In order to further avoid that the door leaf 22 is opened by an insider accidentally, the door lock 23 only allows the person to open from outside the wall 1, but not from inside the wall 1.

As shown in fig. 3, 5 and 9, the swing restricting structure 43 includes a holder 431 or a diagonal member 432, the holder 431 is provided on an inner side wall of the door 22 to be upwardly pushed against an edge of the standing board 41, and the diagonal member 432 is connected to the door frame 21 and the standing board 41, respectively. The holder 431 may be a horizontally extending holder strip provided at the bottom side of the inner sidewall of the door leaf 22. Diagonal member 432 may be a collapsible linkage assembly or may be a flexible pull cord.

As shown in fig. 6, a hanging member 44 is provided on a side of the standing board 41 away from the wall 1, and the hanging member 44 is used for installing a rescue rope ladder.

As shown in fig. 1 and 4, the door lock 23 includes a door handle 231 exposed to an outer side wall of the door 22; since the door handle 231 is easily damaged due to the possibility of long-term non-use, the door leaf 22 is provided with a protective cover 24, and the protective cover 24 is used for covering the door handle 231. Further, a part of the protection cover 24 is formed of a fire protection glass block 241. When the rescue action is carried out, the rescuers can break the fire-fighting glass block 241, so that the door can be opened quickly.

As shown in fig. 4, the door lock 23 further includes a plurality of bolts 232 and a linkage mechanism 233, wherein the plurality of bolts 232 are disposed on the door 22 and are drivingly connected to the door handle 231 through the linkage mechanism 233. The latch 232 may be disposed on the top of the door leaf 22, may be disposed on the bottom of the door leaf 22, and may be disposed in the middle of the door leaf 22. Specifically, the latch 232 may be an anti-knock latch.

As shown in fig. 2 and 7, in order to realize the function of automatically locking the door 22 by the door limiting mechanism 3, the door limiting mechanism 3 includes a movable rod 31 disposed on the door 22, an overhanging frame 32 disposed on the wall 1 or the door frame 21, a stop plate 33 disposed on the overhanging frame 32, a hanging ring rod 34 disposed on the overhanging frame 32, and a lock rod ring 35 sleeved on the hanging ring rod 34 and capable of moving only toward the stop plate 33; when the door leaf 22 is opened to the limit position toward the outside of the wall body 1, the movable rod 31 abuts on the stopper plate 33 after pushing the lock rod ring 35 horizontally, and then the lock rod ring 35 is restored and restrains the movable rod 31 together with the stopper plate 33.

As shown in fig. 5, in order to facilitate rapid positioning of the position of the vertical hinged door 2 between external personnel (e.g., firefighters) and internal personnel (e.g., trapped persons), which is beneficial to rapid rescue actions, the anti-explosion fire rescue door further comprises an alarm system 5, wherein the alarm system 5 comprises a main controller 51, an alarm button 52 and a plurality of buzzer lamps 53, the alarm button 52 and the buzzer lamps 53 are both in communication connection with the main controller 51, the alarm button 52 is arranged on the inner side wall of the wall body 1, and the buzzer lamps 53 are respectively arranged on the inner side wall and the outer side wall of the wall body 1.

As shown in fig. 3 and 5, in order to prevent a person from approaching the vicinity of the vertical hinged door 2 when a disaster does not occur, the guard rail structure 42 includes a warning peripheral strip 421 and a guard rail 422 provided in the warning peripheral strip 421. Specifically, the warning peripheral belt 421 may be written with a warning word, such as "fire rescue special door, do not approach". The length of the balustrade 422 is preferably not shorter than 1.2m to prevent a person from falling off when positioned on the standing board 41.

The form of the vertical hinged door 2 is not limited, and the vertical hinged door can be a double-opening door or a single-opening door. For the vertical hinged door 2 with the width of the door frame 21 less than 1.4m, a single-opening door is generally suitable. For the vertical hinged door 2 with the width of the door frame 21 not less than 1.4m, the number of the door leaves 22 is two, and the two door leaves 22 are symmetrically arranged at the left side and the right side of the door frame 21.

In order to realize the fireproof and anti-explosion functions of the anti-explosion fire rescue door:

the door frame 21 is made of channel steel or steel plates, and the door frame 21 is welded and fixed with a steel embedded part or an existing steel structure in the wall body 1.

The door leaf 22 is formed by welding the section steel keel, the inner door plate and the outer door plate, wherein the section steel keel comprises a frame and anti-explosion reinforcing ribs distributed longitudinally and transversely, the sizes of all the edges of the inner door plate and the outer door plate are all protruded out of the section steel keel, and the inner door plate and the outer door plate are welded and reinforced by frame rectangular tubes to form an anti-explosion sealing structure.

The inside cavity of door leaf 22 is filled with fire-retardant fire prevention material, for example fire prevention rock wool, and door leaf 22 is equipped with fire prevention sealing strip all around. When a fire disaster happens, the fireproof sealing strip is heated to expand, flame and smoke are prevented from spreading, and therefore the fireproof requirement that the fireproof limit is more than or equal to 1.5h is met.

The outer side wall of the door leaf 22 is also provided with a fire rescue opening mark and a handle, and the fire rescue opening mark is coated on the striking position of the surface of the door leaf 22.

The door leaf 22 is further provided with an anti-explosion observation window 26, the anti-explosion observation window 26 is rectangular or square, the anti-explosion observation window 26 is composed of an observation window frame and anti-explosion glass, the observation window frame is made of a bent steel plate, and the anti-explosion glass is made of fireproof laminated glass and has anti-explosion and fireproof performances.

The antiknock hinge 25 has antiknock and load-bearing functions.

In conclusion, the anti-explosion fire rescue door can facilitate personnel to open the door leaf from the outer side of the wall body by using a conventional method and quickly build the rescue overturning platform extending out of the wall body, so that the safety of the personnel and equipment is ensured, and safe and reliable conditions are provided for quick rescue actions. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. An antiknock fire rescue door, comprising:

the vertical hinged door (2) comprises a door frame (21) arranged on the wall body (1) and a door leaf (22) hinged to the door frame (21) through a plurality of anti-explosion hinges (25), and a door lock (23) allowing a person to open from the outer side of the wall body (1) is arranged on the door leaf (22);

the door leaf limiting mechanism (3), the door leaf limiting mechanism (3) is used for restricting the opening angle of the door leaf (22) towards the outer side of the wall body (1);

the rescue overturning platform (4) comprises a standing plate (41), one side of the standing plate (41) is hinged to the bottom of the door frame (21), the other side of the standing plate (41) is provided with a guard rail structure (42) allowing personnel to pass through, and a swing constraint structure (43) is arranged between the standing plate (41) and the vertical hinged door (2);

when the door leaf (22) is closed, the standing plate (41) is erected on the inner side of the door leaf (22), and the guard rail structure (42) is suspended indoors to prevent people from approaching or goods from being stacked; when the door leaf (22) is opened towards the outer side of the wall body (1), the standing plate (41) swings towards the outer side of the wall body (1) to a horizontal state or an inclined state under the limiting action of the swing constraint structure (43), and the guard rail structure (42) and the door leaf (22) jointly form a falling-preventing structure.

2. An antiknock fire rescue door as defined in claim 1, wherein: the door frame (21) is made of channel steel or steel plates, and the door frame (21) is fixedly connected with a steel embedded part or an existing steel structure in the wall body (1) in a welding mode.

3. An antiknock fire rescue door as defined in claim 1, wherein: the door leaf (22) is formed by welding a section steel keel, an inner door plate and an outer door plate, a flame-retardant fireproof material is filled in an inner cavity of the door leaf (22), and an anti-explosion observation window (26) is arranged on the door leaf (22).

4. An antiknock fire rescue door as defined in claim 1, wherein: the swing constraint structure (43) comprises a supporting piece (431) or an inclined pulling piece (432), the supporting piece (431) is arranged on the inner side wall of the door leaf (22) to upwards prop against the edge of the standing plate (41), and the inclined pulling piece (432) is connected with the door frame (21) and the standing plate (41) respectively.

5. An antiknock fire rescue door as defined in claim 1, wherein: a hanging piece (44) is arranged on one side, away from the wall body (1), of the standing plate (41), and the hanging piece (44) is used for installing a rescue rope ladder.

6. An antiknock fire rescue door as defined in claim 1, wherein: the door lock (23) comprises a door handle (231) exposed out of the outer side wall of the door leaf (22); a protective cover (24) is arranged on the door leaf (22), and the protective cover (24) is used for covering the door handle (231).

7. An antiknock fire rescue door as defined in claim 6, wherein: the door lock (23) further comprises a plurality of bolts (232) and a linkage mechanism (233), wherein the bolts (232) are arranged on the door leaf (22) and are in transmission connection with the door handle (231) through the linkage mechanism (233).

8. An antiknock fire rescue door as defined in claim 1, wherein: the door leaf limiting mechanism (3) comprises a movable rod (31) arranged on the door leaf (22), a cantilever frame (32) arranged on the wall body (1) or the door frame (21), a stop lever plate (33) arranged on the cantilever frame (32), a hanging ring rod (34) arranged on the cantilever frame (32) and a lock rod ring (35) which is sleeved on the hanging ring rod (34) and can only move towards the stop lever plate (33); when the door leaf (22) is opened to the limit position towards the outside of the wall body (1), the movable rod (31) abuts against the stop lever plate (33) after horizontally pushing the lock lever ring (35), and then the lock lever ring (35) is reset and restrains the movable rod (31) together with the stop lever plate (33).

9. An antiknock fire rescue door as defined in claim 1, wherein: the anti-explosion fire rescue door further comprises an alarm system (5), the alarm system (5) comprises a main controller (51), an alarm button (52) and a plurality of buzzer lamps (53), the alarm button (52) and the buzzer lamps (53) are all in communication connection with the main controller (51), the alarm button (52) is arranged on the inner side wall of the wall body (1), and the buzzer lamps (53) are arranged on the inner side wall and the outer side wall of the wall body (1) respectively.

10. An antiknock fire rescue door as defined in claim 1, wherein: the guard rail structure (42) comprises a warning peripheral belt (421) and a fence rod (422) arranged in the warning peripheral belt (421).

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