CN112983225A

CN112983225A - Fireproof door capable of discharging smoke and facilitating escape

Info

Publication number: CN112983225A
Application number: CN202110199845.8A
Authority: CN
Inventors: 刘明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-06-18

Abstract

The invention discloses a smoke-discharging and escape-facilitating fireproof door in the technical field of fireproof doors, which comprises a smoke discharging installation wall, a safe door frame and a fireproof door leaf, wherein a smoke discharging through hole is formed in the middle of the smoke discharging installation wall, smoke discharging installation cavities are formed in two sides of the safe door frame, an electric control cavity is fixedly formed in the top of the safe door frame, a smoke discharging fan is fixedly installed in the smoke discharging installation cavity, a folding sealing door is arranged between the smoke discharging installation cavity and the electric control cavity, closed sliding blocks are respectively and slidably connected in the smoke discharging installation cavity and the electric control cavity, the closed sliding blocks are rotatably connected with one end of the folding sealing door, an emergency lead screw and a group of closed lead screws are rotatably connected in the electric control cavity, the closed lead screws penetrate through the closed sliding blocks in the electric control cavity to be matched with the closed lead screws in a threaded manner, a, the fire diffusion is blocked to a certain degree, the smoke exhaust is accelerated, the amount of harmful smoke in the smoke is quickly reduced, and the escape time is prolonged.

Description

Fireproof door capable of discharging smoke and facilitating escape

Technical Field

The invention relates to the technical field of fireproof doors, in particular to a fireproof door capable of discharging smoke and facilitating escape.

Background

The fireproof door mainly can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is a fireproof partition with certain fire resistance arranged in a fireproof partition room, an evacuation staircase, a vertical shaft and the like.

The fireproof door has the functions of preventing fire from spreading and flue gas from diffusing besides the function of a common door, can prevent the fire from spreading within a certain time, ensures personnel to be evacuated, has a better isolation effect, is lower in production cost, and is widely applied to various fields.

However, the stainless steel fireproof door used at the present stage does not have the function of smoke exhaust when in use, so that the smoke accumulation and spreading are easily caused, and the smoke exhaust cannot be carried out in time, so that the escape time is shortened.

Based on the above, the invention designs the fireproof door capable of exhausting smoke and facilitating escape, so as to solve the problems.

Disclosure of Invention

The invention aims to provide a fireproof door capable of exhausting smoke and facilitating escape, and aims to solve the problems that a stainless steel fireproof door used in the prior art does not have a smoke exhausting function when in use, so that smoke accumulation and spreading are easily caused, smoke cannot be exhausted timely, and the escape time is shortened.

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

a fireproof door capable of discharging smoke and facilitating escape comprises a smoke discharging installation wall, a safe door frame and a fireproof door leaf, wherein the safe door frame is fixedly installed between the smoke discharging installation walls, the fireproof door leaf is rotatably connected between the safe door frames, a smoke discharging through hole is formed in the middle of the smoke discharging installation wall, smoke discharging installation cavities are formed in two sides of the safe door frame, an electric control cavity is fixedly arranged at the top of the safe door frame, a smoke discharging fan is fixedly installed in each smoke discharging installation cavity, a folding sealing door is arranged between each smoke discharging installation cavity and the electric control cavity, a closed sliding block is slidably connected in each smoke discharging installation cavity and the electric control cavity and is rotatably connected with one end of the folding sealing door, an emergency lead screw and a group of closed lead screws are rotatably connected in the electric control cavity, the closed lead screws penetrate through the closed sliding blocks in the electric control cavity to, and a fire alarm sensor is fixedly arranged on the outer wall of the electric control cavity.

Preferably, the outer wall of the smoke exhaust installation wall is fixedly connected with a rainproof grid, and the smoke exhaust through holes are communicated with the external environment through the rainproof grid.

Preferably, the outer side wall of the smoke exhaust installation cavity is fixedly connected with a guardrail, and the smoke exhaust fan is installed on the side wall of the guardrail and communicated with the smoke exhaust through hole.

Preferably, folding involution door is two PLASTIC LAMINATED that rotate the connection, the installation cavity bottom of discharging fume is fixed and has been seted up the bottom slide, the intercommunication sliding window has been seted up to automatically controlled chamber bottom, closed slider is located bottom slide and intercommunication sliding window respectively and sliding fit with it, closed slider all rotates with folding involution door through inside wall fixed connection's ball end pivot to be connected, the installation cavity bottom of discharging fume is fixed to be equipped with the supplementary subassembly that opens the door.

Preferably, supplementary subassembly that opens door is including fixed the groove that sinks of seting up in the installation cavity bottom of discharging fume, it is connected with the pole of opening the door to rotate through the torsional spring axle in the middle of the groove that sinks, the pole tip that opens the door rotates and is connected with the wheel of opening the door, the wheel of opening the door contacts with folding involution door.

Preferably, the outer wall of the electric control cavity is provided with a door closing sliding window, the outer door closing push block penetrates through the door closing sliding window to be in sliding fit with the door closing sliding window, and the side wall of the outer door closing push block is rotatably connected with an auxiliary pulley.

Preferably, the outside is closed the door ejector pad lateral wall fixedly connected with and is extended the bent plate, supplementary pulley rotates to be connected and is extended the bent plate in the top and be located its inboard, supplementary pulley is equipped with two sets ofly, and front end pulley diameter is less than rear end pulley diameter and rear end pulley and the contact of safe door frame lateral wall.

Preferably, an emergency escape window is arranged in the middle of the fireproof door leaf, a small sealing door is rotatably connected in the emergency escape window, an inner handle is arranged on the outer wall of the small sealing door, a positioning groove is formed in the bottom of the small sealing door, and a fixing assembly is arranged at the bottom of the emergency escape window.

Preferably, the fixed subassembly is including seting up the fixed slot in emergency escape window inside, fixed slot top fixedly connected with locking spring, locking spring top fixedly connected with picture peg, picture peg and constant head tank cooperation and outer wall fixedly connected with ripple slide.

Preferably, emergency exit frame bottom fixedly connected with anticollision dog, the equal fixed mounting of interior outer wall has the protection box, fixed mounting has manual button in the protection box, automatically controlled intracavity is equipped with the power chamber through the tip baffle, power intracavity fixed mounting has battery reserve, battery reserve is the electricity with urgent lead screw, closed lead screw, fire alarm sensor, manual button and is connected.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, a fire alarm sensor is used for sensing a fire situation, and the emergency lead screw is used for driving the outer side door closing push block to move, so that the fireproof door leaf is closed, the door is automatically sensed and closed, the fire is prevented from rapidly spreading, the fire spread is blocked to a certain extent, and the escape time is prolonged; the closing screw rod drives the closing slide block to move, so that the folding sealing door is opened, smoke exhaust is accelerated under the matching of the smoke exhaust fan and the smoke exhaust mounting wall, the amount of harmful smoke in the smoke exhaust is rapidly reduced, and escape is facilitated; through the small sealing door, people inside the small sealing door cannot be accidentally closed, and the escape opportunity is obtained; and the fireproof door leaf can be used as a common door, can be freely opened and closed, is not influenced by an electric closing component, and is more flexible to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic rear view structure of the present invention;

FIG. 3 is a schematic view of a top view half-section of the present invention;

FIG. 4 is a schematic rear view semi-sectional view of the present invention;

FIG. 5 is a schematic side view semi-sectional configuration of the present invention;

FIG. 6 is an enlarged view of part A of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-smoke exhaust installation wall, 2-safety door frame, 3-fireproof door leaf, 4-smoke exhaust through hole, 5-smoke exhaust installation cavity, 6-electric control cavity, 7-folding sealing door, 8-closing slide block, 9-emergency lead screw, 10-closing lead screw, 11-outside door closing push block, 12-fire alarm sensor, 13-rain-proof grating, 14-guardrail, 15-smoke exhaust fan, 16-bottom slideway, 17-communicating sliding window, 18-ball end rotating shaft, 19-sunken groove, 20-door opening rod, 21-door opening wheel, 22-door closing sliding window, 23-auxiliary pulley, 24-extending bent plate, 25-emergency escape window, 26-small sealing door, 27-positioning groove, 28-fixing groove, 29-locking spring, 30-plug board, 31-corrugated sliding board, 32-bump stop, 33-protection box, 34-manual button, 35-backup battery and 36-end separator.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

a fireproof door capable of discharging smoke and facilitating escape comprises a smoke exhaust installation wall 1, a safe door frame 2 and a fireproof door leaf 3, wherein the safe door frame 2 is fixedly installed between the smoke exhaust installation walls 1, the fireproof door leaf 3 is rotatably connected between the safe door frames 2, a smoke exhaust through hole 4 is formed in the middle of the smoke exhaust installation wall 1, smoke exhaust installation cavities 5 are formed in two sides of the safe door frame 2, an electric control cavity 6 is fixedly arranged at the top of the safe door frame, a smoke exhaust fan 15 is fixedly installed in the smoke exhaust installation cavity 5, a folding sealing door 7 is arranged between the smoke exhaust installation cavity 5 and the electric control cavity 6, closed sliding blocks 8 are respectively and slidably connected in the smoke exhaust installation cavity 5 and the electric control cavity 6, the closed sliding blocks 8 are rotatably connected with one end of the folding sealing door 7, an emergency lead screw 9 and a set of closed lead screws 10 are rotatably connected in the electric control cavity 6, the closed lead screws penetrate through the closed, and a fire alarm sensor 12 is fixedly arranged on the outer wall of the electric control cavity 6.

Wherein, 1 outer wall fixedly connected with rain-proof grid 13 of installation wall of discharging fume, the rain-proof grid 13 that the slope set up can avoid external debris rainwater to get into in a large number, and through exhaust fume hole 4 and the whole penetrating cooperation of non-, has the effect of ventilating and discharging fume and dustproof rain-proof when guaranteeing that the wall body is firm. The outer side wall of the smoke exhaust installation cavity 5 is fixedly connected with a guardrail 14, and a smoke exhaust fan 15 is installed on the side wall of the guardrail 14 and communicated with the smoke exhaust through hole 4.

The folding sealing door 7 is two fire-proof plates which are connected in a rotating mode, the fire-proof plates are connected with the closed sliding block 8 through the bottom sliding rail 16 and the communicating sliding window 17, the fire-proof plates are connected with the folding sealing door 7 in a rotating mode through the ball end rotating shaft 18, the folding sealing door 7 is made to move and fold according to a preset track, the folding sealing door 7 is pushed outwards under the action of a torsion spring shaft of the provided door opening rod 20 and the door opening wheel 21 in the sunken groove 19, initial force is given to the folding sealing door 7, the folding sealing door has the trend of being folded and opened outwards, the folding sealing door is prevented from being closed and jammed, and the use is smooth.

The outer door closing push block 11 penetrates through the door closing sliding window 22 to be in sliding fit with the door closing sliding window, and the friction between the outer door closing push block and the fireproof door leaf 3 is reduced by extending the auxiliary pulley 23 at the inner top of the bent plate 24, so that the fireproof door leaf 3 is closed in the driving and moving process of the emergency lead screw 9, and the abrasion is reduced, and the door is closed smoothly; the front end pulley diameter is less than rear end pulley diameter and rear end pulley and 2 lateral walls of safe door frame contact for at the in-process of closing the door, there is transition closure effect through the front end wheel, make 3 closures of fire prevention door leaf comparatively easy.

Wherein, the emergent window of fleing 25 has been seted up in the middle of the fire door leaf 3, and the emergent window of fleing 25 internal rotation is connected with sealed wicket 26, steps on ripple slide 31 through the foot and makes picture peg 30 move down, and locking spring 29 contracts simultaneously, breaks away from the constant head tank 27 of sealed wicket 26, does not need the hand operation, avoids scalding the hand and be convenient for operate, is located the low department, avoids dense cigarette, is convenient for flee for the people who fails to go out after the fire door leaf 3 closes still can obtain the chance of fleing.

Wherein, 2 bottom fixedly connected with anticollision dog 32 of safe door frame, the equal fixed mounting of interior outer wall has protection box 33, and fixed mounting has manual button 34 in protection box 33, but manual button 34 manual control fire door leaf 3's closure, or the outside resets of closing door ejector pad 11, is convenient for open the door. A power supply cavity is formed in the electric control cavity 6 through an end partition plate 36, a standby battery 35 is fixedly installed in the power supply cavity, and the standby battery 35 is electrically connected with the emergency lead screw 9, the closing lead screw 10, the fire alarm sensor 12 and the manual button 34.

One specific application of this embodiment is:

as shown in fig. 2-4, the present invention is provided by installing the smoke exhaust installation walls 1 at the positions where the fire door is desired to be installed, and then installing the safety door frame 2 between the smoke exhaust installation walls 1; when a fire occurs, the fire alarm sensor 12 arranged on the outer side senses the fire situation, then sends signals to the driving motor and the smoke exhaust fan 15 of the emergency screw rod 9 and the closed screw rod 10, the driving motor is powered by an external power supply under the normal situation, the standby battery 35 arranged in the emergency lead screw rod is charged, and under the accidental power failure situation, the standby battery 35 supplies power to ensure that the emergency screw rod 9, the closed screw rod 10 and the smoke exhaust fan 15 run normally.

As shown in fig. 1, 2, 4, urgent lead screw 9 and closed lead screw 10 start the rotation simultaneously, urgent lead screw 9 rotates the outside that drives on it and closes the door ejector pad 11 and move to the inboard in step, thereby drive extension bent plate 24 and supplementary pulley 23 and move to the inboard in step, and act on the fire door leaf 3 of originally opening, make it rotate closed, then stop at 3 middle part positions of fire door leaf, under the effect of the crashproof dog 32 that the back wall was equipped with, fire door leaf 3 closes the door closed and can not collide with, and it is firm to close the door position, fire door leaf 3 is closed, avoid the intensity of a fire to spread rapidly, certain degree blocks the conflagration diffusion, the extension escape time.

As shown in fig. 2-4, the closing screw 10 drives the closing slider 8 located in the electric control chamber 6 to move to the other side, and drives the folding sealing door 7 connected to the closing screw to move from one end to the other end, and simultaneously rotates along the ball end rotating shaft 18, so as to adapt to the movement folding of the door, and under the assistance of the door opening rod 20 and the door opening wheel 21, the door is folded outwards and folded at the rear side of the fireproof door leaf 3, thereby opening the smoke exhaust and fire prevention chamber 5, starting the smoke exhaust fan 15 to rotate, and rapidly extracting the internal smoke from the indoor space and accelerating the discharge of the smoke through the smoke exhaust through hole 4, thereby playing the role of accelerating the smoke discharge, rapidly reducing the amount of the internal harmful smoke, and.

As shown in fig. 1, 5, and 6, when the fireproof door leaf 3 is closed, if a person is still present on the other side of the door, the corrugated sliding plate 31 can be stepped on by a foot, so that the insertion plate 30 is separated from the positioning groove 27 of the small sealed door 26, at this time, the small sealed door 26 can be opened, and the person can drill out from the position to avoid the situation that the person cannot escape from the inside, when the person is used, the small sealed door 26 enters the emergency escape window 25 again under the self-weight, and the insertion plate 30 is pressed down and then popped out in the recovery process, so that the small sealed door 26 is fixed again, and the fireproof door leaf 3 is a complete door.

As shown in fig. 1 and 2, after use, the smoke exhaust fan 15 is closed, the emergency lead screw 9 and the closing lead screw 10 start to rotate reversely at the same time, so that the closing slide block 8 returns to the original position, the folding sealing door 7 is unfolded and closed to seal the side surface of the smoke exhaust installation cavity 5 and isolate the outside, the outside door closing push block 11 returns to the original position to two sides of the switching part of the fireproof door leaf 3 and the safety door frame 2, and at the moment, the fireproof door leaf 3 can be used as a common door, can be freely opened and closed, is not influenced by an electric closing component, and is more flexible to; and the manual button 34 can confirm the manual control of the opening and closing of the fireproof door leaf 3 and the folding sealing door 7, and the use is convenient according to the actual condition.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a fire door that prevents of being convenient for flee of can discharging fume which characterized in that: the safety door frame comprises smoke exhaust installation walls (1), safety door frames (2) and fireproof door leaves (3), wherein the safety door frames (2) are fixedly installed between the smoke exhaust installation walls (1), the fireproof door leaves (3) are rotatably connected between the safety door frames (2), a smoke exhaust through hole (4) is formed in the middle of each smoke exhaust installation wall (1), smoke exhaust installation cavities (5) are arranged on two sides of each safety door frame (2), an electric control cavity (6) is fixedly arranged at the top of each safety door frame, a smoke exhaust fan (15) is fixedly installed in each smoke exhaust installation cavity (5), a folding sealing door (7) is arranged between each smoke exhaust installation cavity (5) and the corresponding electric control cavity (6), closed sliding blocks (8) are slidably connected in the smoke exhaust installation cavities (5) and the electric control cavities (6), each closed sliding block (8) is rotatably connected with one end of each folding sealing door (7), an emergency lead screw (9) and a group of closed lead screws (10) are rotatably connected, the closed screw rod penetrates through a closed sliding block (8) in the electric control cavity (6) to be in threaded fit with the closed sliding block, a group of outer-side door closing push blocks (11) are arranged in the emergency screw rod (9) in a threaded fit mode, and a fire alarm sensor (12) is fixedly installed on the outer wall of the electric control cavity (6).

2. A smoke evacuable fire rated door for easy escape as set forth in claim 1, wherein: the outer wall of the smoke exhaust installation wall (1) is fixedly connected with a rainproof grid (13), and the smoke exhaust through holes (4) are communicated with the external environment through the rainproof grid (13).

3. A smoke evacuable fire rated door for easy escape as set forth in claim 1, wherein: the outer side wall of the smoke exhaust installation cavity (5) is fixedly connected with a guardrail (14), and the smoke exhaust fan (15) is installed on the side wall of the guardrail (14) and communicated with the smoke exhaust through hole (4).

4. A smoke evacuable fire rated door for easy escape as set forth in claim 1, wherein: folding involution door (7) are two PLASTIC LAMINATED that rotate the connection, the installation cavity (5) bottom of discharging fume is fixed and has been seted up bottom slide (16), intercommunication sliding window (17) have been seted up to electric control chamber (6) bottom, closed slider (8) are located bottom slide (16) and intercommunication sliding window (17) respectively and sliding fit with it, closed slider (8) all rotate with folding involution door (7) through inside wall fixed connection's ball end pivot (18) and are connected, the installation cavity (5) bottom of discharging fume is fixed and is equipped with the supplementary subassembly that opens the door.

5. A smoke evacuable fire rated door for easy escape as set forth in claim 4, wherein: the supplementary subassembly that opens the door is including fixed groove (19) that sink down of seting up in installation cavity (5) bottom of discharging fume, it is connected with door opening rod (20) to rotate through the torsional spring axle in the middle of groove (19) that sink down, door opening rod (20) tip is rotated and is connected with door opening wheel (21), door opening wheel (21) and folding involution door (7) contact.

6. A smoke evacuable fire rated door for easy escape as set forth in claim 1, wherein: the outer wall of the electric control cavity (6) is provided with a door closing sliding window (22), the outer side door closing push block (11) penetrates through the door closing sliding window (22) to be in sliding fit with the door closing sliding window, and the side wall of the outer side door closing push block (11) is rotatably connected with an auxiliary pulley (23).

7. A smoke evacuable fire rated door for easy escape according to claim 6, wherein: outside push block (11) lateral wall fixedly connected with that closes door extends bent plate (24), supplementary pulley (23) rotate to be connected and extend bent plate (24) interior top and be located its inboard, supplementary pulley (23) are equipped with two sets ofly, and front end pulley diameter is less than rear end pulley diameter and rear end pulley and safe door frame (2) lateral wall contact.

8. A smoke evacuable fire rated door for easy escape as set forth in claim 1, wherein: an emergency escape window (25) is arranged in the middle of the fireproof door leaf (3), a small sealing door (26) is rotatably connected in the emergency escape window (25), an inner handle is arranged on the outer wall of the small sealing door (26), a positioning groove (27) is formed in the bottom of the small sealing door (26), and a fixing assembly is arranged at the bottom of the emergency escape window (25).

9. A smoke evacuable fire rated door for easy escape according to claim 8, wherein: fixed subassembly is including offering fixed slot (28) in emergency escape window (25) inside, fixed slot (28) top fixedly connected with locking spring (29), locking spring (29) top fixedly connected with picture peg (30), picture peg (30) and constant head tank (27) cooperation and outer wall fixedly connected with ripple slide (31).

10. A smoke evacuable fire rated door for easy escape as set forth in claim 1, wherein: safe door frame (2) bottom fixedly connected with anticollision dog (32), the equal fixed mounting of interior outer wall has protection box (33), fixed mounting has manual button (34) in protection box (33), be equipped with the power supply chamber through tip baffle (36) in electric control chamber (6), power supply chamber fixed mounting has stand-by battery (35), stand-by battery (35) are the electricity with urgent lead screw (9), closed lead screw (10), fire alarm sensor (12), manual button (34) and are connected.