Flame-retardant fireproof door capable of quickly isolating air

Abstract

The utility model discloses a fireproof door capable of quickly isolating air and retarding flame, which comprises a U-shaped metal door frame and a door frame base arranged at the bottom end of the U-shaped metal door frame, a fireproof door body is arranged inside the front end of the U-shaped metal door frame, and the right end of the fireproof door body is rotatably connected with the U-shaped metal door frame through a plurality of hinges. The novel auxiliary escape device is additionally arranged at the front end of the fireproof door body, the auxiliary escape device can facilitate rapid positioning and operation of escape personnel in a fire emergency, the design that clear water is stored in the liquid storage box of the device through the liquid adding opening and discharged through the liquid outlet is adopted, the fireproof door is simple and easy to use, and water absorption cotton cloth stored in the storage box can be rapidly soaked; and after the mouth and nose of the wetted water-absorbing cotton cloth are covered by the escaper, toxic and harmful smoke particles generated by the fire can be effectively filtered and blocked, so that the injury to the respiratory tract and the lung of the escaper is greatly reduced, and the success rate of escaping in the dense smoke environment is powerfully improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of fireproof door, specifically relates to a fireproof door of air can be quickly isolated and fire -retardant. BACKGROUND

[0002] In the modern building fire safety system, the fireproof door as important fireproof separation component, plays the extremely key role. The traditional fireproof door is made by adopting the non - combustible or refractory material, and combines the corresponding fireproof structure design, can effectively prevent the fire spread, prevents the fire and the hot air penetration in a certain time, and gains the precious time for personnel evacuation and fire rescue, can also block the large - area diffusion of fire smoke, protects other areas in the building from the direct damage of the fire,

[0003] However, the existing fireproof door technology still has certain limitation. Although it has the basic fireproof and the function of blocking the smoke diffusion, when facing the more serious fire, due to the smoke has the feature of being inescapable, even if the sealing property of the fireproof door is good, still difficult to completely eliminate the penetration of the smoke. Along with the enhancement of the fire, a large amount of smoke will rapidly accumulate in the building, fills the whole space. Once the escaping personnel inhale too much these smoke, the toxic and harmful gas such as carbon monoxide, carbon dioxide and high temperature particulate matter contained in the smoke, will cause the serious damage to the respiratory system, nervous system etc. of human body, leads to poisoning, coma even death, greatly increases the difficulty and risk coefficient of personnel escape,

[0004] In addition, the existing fireproof door is relatively weak in the auxiliary escape function, lacks the design for providing effective protection for the escaping personnel in the fire smoke environment. When the fire occurs, people in the panic difficultly acquire the effective smoke protection tool quickly, further reduces the success rate of escape in the smoke environment. Therefore, the research and development of a new type of fireproof door that can not only strengthen the air isolation and fireproof function, but also provide reliable protection and auxiliary escape means for the escaping personnel in the fire smoke environment, become the important problem to be solved in the current building fire safety field. CONTENT OF THE UTILITY MODEL

[0005] The utility model is purposed at providing a fireproof door that can quickly isolate air and retard fire, to solve the problem that in the background art, when facing a more serious fire, due to the smoke's inescapable nature, even if the fireproof door's sealing property is good, it is still difficult to completely eliminate the penetration of the smoke, and once the escaping personnel inhale too much of this smoke, the toxic and harmful gas such as carbon monoxide and carbon dioxide contained in the smoke, as well as high-temperature particulate matter, can cause serious damage to the respiratory system and nervous system of the human body, leading to poisoning, coma, and even death.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a fireproof door of quick air isolation and fire resistance, including U type metal door frame and the door frame base of setting in the bottom end of U type metal door frame, the inside of the front end of U type metal door frame is provided with fireproof door body, the right end between U type metal door frame of fireproof door body is rotated and is connected through a plurality of hinges, and the rotatable angle of fireproof door body through the hinge is greater than one hundred and twenty degrees angle, the outer wall of fireproof door body still has high temperature resistant fire retardant coating, the outside wall center of the front end of fireproof door body is provided with the auxiliary escape device of upper side.

[0007] Preferably, the auxiliary escape device includes a storage box, a liquid storage box, and a fixed back plate. The rear end of the liquid storage box is welded with the fixed back plate, which is fixed to the front end outer wall of the fireproof door body. The left and right ends of the liquid storage box are welded with storage boxes. The upper and lower ends and the front end outer wall of the storage box are flush, respectively. The opening direction of the storage box is forward. The auxiliary escape device further includes a drop prevention baffle and an absorbent cotton cloth. A plurality of absorbent cotton cloths are stacked in the interior of the two storage boxes. A drop prevention baffle is fixed in the interior of the front end opening of the lower half of the two storage boxes. The drop prevention baffle can prevent the absorbent cotton cloths from falling out of the storage box.

[0008] Preferably, the auxiliary escape device further includes a liquid outlet, a sealing end cap A, a liquid inlet, and a sealing end cap B. The top center of the liquid storage box is provided with a liquid inlet. The liquid inlet is sleeved with a sealing end cap B outside the opening. The bottom center of the liquid storage box is provided with a liquid outlet. The bottom end of the liquid outlet is sleeved with a sealing end cap A outside the opening.

[0009] Preferably, the liquid inlet and the liquid outlet are in communication with the interior of the liquid storage box. Fresh water can be injected into the interior of the liquid storage box through the liquid inlet. After the sealing end cap A is removed, the fresh water in the interior of the liquid storage box can be discharged through the liquid outlet.

[0010] Preferably, the left and right ends of the center of the fireproof door body are provided with door handles. The center of the fireproof door body is provided with an inorganic fireproof plate. The front and rear ends of the inorganic fireproof plate are provided with rock wool and glass wool that are stacked with each other.

[0011] Preferably, the top and the left and right ends of the rear end of the U type metal door frame are connected with a sealing baffle. The front end outer wall of the sealing baffle is pasted with a high-temperature-resistant sealing strip.

[0012] Preferably, after the fireproof door body is completely closed into the interior of the U type metal door frame, the high-temperature-resistant sealing strip is attached to the fireproof door body.

[0013] Compared with the prior art, the utility model provides a fireproof door of quick air isolation and fire resistance, which has the following beneficial effects:

[0014] The utility model discloses a novel auxiliary escape device is added to the front end of the fireproof door body, and the auxiliary escape device can be conveniently positioned and operated by the escaping personnel in the emergency of fire, the clear water is reserved in the liquid storage box of the device through the liquid inlet, and the design of the liquid outlet discharging clear water is simple and easy to use, can quickly soak the water-absorbing cotton cloth stored in the storage box, and after the water-absorbing cotton cloth is soaked is covered to the mouth and nose by the escaping personnel, the poisonous and harmful smoke particles generated by fire can be effectively filtered and blocked, the harm to the respiratory tract and lung of the escaping personnel is greatly reduced, and the success rate of escaping in the smoke environment is effectively improved, and reliable and practical escape auxiliary protection is provided for the personnel in the fire. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view three-dimensional structure schematic diagram of a fireproof door that can quickly isolate air and resist fire.

[0016] Figure 2 It is a front view plane structure schematic diagram of a fireproof door that can quickly isolate air and resist fire.

[0017] Figure 3 It is a back view three-dimensional structure schematic diagram of a fireproof door that can quickly isolate air and resist fire.

[0018] Figure 4 It is a front view three-dimensional structure schematic diagram of an auxiliary escape device.

[0019] Figure 5 It is a front view plane structure schematic diagram of an auxiliary escape device.

[0020] In the drawing: 1, door frame base; 2, U-shaped metal door frame; 3, fireproof door body; 4, door handle; 5, auxiliary escape device; 6, hinge; 7, sealing baffle; 8, high-temperature-resistant sealing strip; 9, storage box; 10, anti-falling baffle; 11, water-absorbing cotton cloth; 12, liquid storage box; 13, fixed back plate; 14, liquid outlet; 15, sealing end cover A; 16, liquid inlet; 17, sealing end cover B. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] The utility model provides a kind of Figures 1-5The application discloses a fireproof door capable of quickly isolating air and resisting fire, which comprises a U-shaped metal door frame 2 and a door frame base 1 arranged at the bottom end of the U-shaped metal door frame 2. The U-shaped metal door frame 2 provides a stable mounting frame for a fireproof door body 3, and the metal material has certain strength and high-temperature resistance. The door frame base 1 is arranged at the bottom end of the U-shaped metal door frame 2, thereby further enhancing the stability of the whole fireproof door structure, ensuring that the fireproof door can keep a normal installation state when a fire occurs, and not losing the fireproof function due to structural deformation. The inner front end of the U-shaped metal door frame 2 is provided with the fireproof door body 3. The right end of the fireproof door body 3 is rotatably connected with the U-shaped metal door frame 2 through a plurality of hinges 6. The rotatable angle of the fireproof door body 3 through the hinges 6 is greater than 120 degrees. The plurality of hinges 6 disperses the weight of the fireproof door, ensures the stability and smoothness of the door body rotation, improves the reliability of the connection between the door body and the door frame, ensures that the fireproof door can still rotate normally when frequently used or subjected to certain external force impact, and will not be loose or damaged, maintains the normal use function and fireproof performance. The outer wall of the fireproof door body 3 is further sprayed with a high-temperature-resistant fireproof coating. When the fireproof coating meets high temperature, a series of physical and chemical reactions, such as volume expansion and formation of a heat insulation layer, occur, thereby improving the fire resistance limit of the fireproof door and enhancing the overall fireproof performance. The coating can protect the structure of the fireproof door body 3 from high-temperature damage within a certain time, maintains the integrity and heat insulation property.

[0023] As Figure 1 , Figure 2 and Figure 3As shown, the fireproof door body 3 center left side front and back ends are provided with door handle 4, the fireproof door body 3 center is internally provided with inorganic fireproof plate, the inorganic fireproof plate has good nonflammability and heat insulation performance, its main component is usually inorganic mineral, it will not burn in high temperature environment, can effectively block the rapid transmission of heat, delay the spread of fire on both sides of the fireproof door, the front and back ends of the inorganic fireproof plate are provided with mutually superimposed rock wool and glass wool, the rock wool is made of natural rock such as basalt, diabase, etc. as the main raw material, artificial inorganic fiber is made by high temperature melting, has the characteristics of light weight, small thermal conductivity, nonflammable, good chemical stability, etc., the glass wool is made of glass raw material, which is made into fiber material by high temperature melting and centrifugal or blowing process, also has good heat insulation, sound absorption and nonflammable performance, the two materials are superimposed, forming a multilayer heat shield, further enhancing the heat insulation effect of the fireproof door, reducing the heat penetration of the fireproof door, reducing the heat influence of the fire on the other side environment, the rear end top and the left and right end inner walls of the U-shaped metal door frame 2 are connected with the sealing baffle 7, the front end outer wall of the sealing baffle 7 is pasted and fixed with the high temperature resistant sealing strip 8, after the fireproof door body 3 is completely closed to the inside of the U-shaped metal door frame 2, the high temperature resistant sealing strip 8 is combined with the fireproof door body 3, this sealing structure can effectively prevent the smoke, hot air and flame generated by the fire from spreading through the gap between the fireproof door and the door frame, realize the rapid isolation of air, reduce the entry of combustion air, so as to inhibit the further development of fire.

[0024] As shown in Figure 1 , Figure 4 and Figure 5 , the front end outer wall of the fireproof door body 3 is provided with an auxiliary escape device 5, the auxiliary escape device 5 includes a storage box 9, a liquid storage box 12 and a fixed back plate 13, the rear end of the liquid storage box 12 is welded with the fixed back plate 13, the fixed back plate 13 is fixed on the front end outer wall of the fireproof door body 3, the left and right ends of the liquid storage box 12 are welded with the storage box 9, the upper and lower ends and the front end outer wall of the liquid storage box 12 are flush with the storage box 9, the opening direction of the storage box 9 is forward, the liquid storage box 12, the storage box 9, the fixed back plate 13 and the like are combined together by welding and other firm connection methods, the structure is stable, this integral design not only ensures the stability of the device in normal use, but also can withstand the vibration, collision and other situations that may occur in the fire scene, ensures that the structure will not lose its function in critical moments, prolongs the service life of the device, so that it can provide reliable escape auxiliary function for the users of the fireproof door for a long time.

[0025] As shown in Figure 1 , Figure 4 and Figure 5As shown, the auxiliary escape device 5 further comprises a liquid outlet 14, a sealing end cover A 15, a liquid inlet 16 and a sealing end cover B 17, the liquid inlet 16 is arranged at the top center of the liquid storage box 12, the liquid inlet 16 is externally sleeved with the sealing end cover B 17, the liquid outlet 14 is arranged at the bottom center of the liquid storage box 12, the bottom end of the liquid outlet 14 is externally sleeved with the sealing end cover A 15, the liquid inlet 16 and the liquid outlet 14 are in communication with the inside of the liquid storage box 12, the inside of the liquid storage box 12 can be injected with clean water through the liquid inlet 16, after the sealing end cover A 15 is removed, the clean water in the inside of the liquid storage box 12 can be discharged through the liquid outlet 14, the liquid storage box 12 is provided with the obvious and easy-to-operate liquid inlet 16 and liquid outlet 14, the liquid inlet 16 is used for daily storage of clean water, and the liquid outlet 14 plays a key role in an emergency, when the clean water needs to be used, the sealing end cover A 15 can be easily removed, and the clean water can flow out naturally, the water-absorbing cotton cloth 11 is placed below the liquid outlet 14 and can be quickly soaked by the clean water, the operation is simple and easy to understand, even in a chaotic fire scene, the escape personnel can easily complete the operation, the protective measures are ensured to be timely and effective, the auxiliary escape device 5 further comprises the anti-falling baffle 10 and the water-absorbing cotton cloth 11, the inside of each of the two storage boxes 9 is stacked with a plurality of water-absorbing cotton cloths 11, the water-absorbing cotton cloth 11 soaked with water can play a good filtering and blocking effect on the dense smoke generated by the fire, when the escape personnel cover the mouth and nose, the toxic and harmful smoke particles inhaled into the body can be effectively reduced, the harm of the smoke to the respiratory tract and the lungs is reduced, a powerful guarantee is provided for safe evacuation from the fire scene, and the success rate of escape is greatly increased, the front end of the lower half of each of the two storage boxes 9 is fixed with the anti-falling baffle 10, the anti-falling baffle 10 can prevent the water-absorbing cotton cloth 11 from falling out of the storage box 9, the anti-falling baffle 10 is a thoughtful and practical design, it can effectively prevent the water-absorbing cotton cloth 11 from accidentally falling out of the storage box 9 due to shaking, collision and other reasons, and the stability and integrity of the water-absorbing cotton cloth 11 in the storage box 9 are ensured, when the water-absorbing cotton cloth 11 is extracted in an emergency, there is no need to worry about its falling loss, and the reliability of the use of the auxiliary escape device 5 is further improved, the auxiliary escape device 5 stores the water-absorbing cotton cloth 11 in the storage box 9 closely connected with the liquid storage box 12, the layout is reasonable and convenient to use, in the emergency and chaotic scene of the fire, the escape personnel can quickly locate and extract the water-absorbing cotton cloth 11, and there is no need to look for protective supplies everywhere, and valuable time is saved for timely self-protection.

[0026] Finally, it should be noted that: the above only preferred embodiments of the utility model are described, and is not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A fireproof door capable of quickly isolating air and resisting fire, comprising a U-shaped metal door frame (2) and a door frame base (1) arranged at the bottom end of the U-shaped metal door frame (2), a fireproof door body (3) is arranged inside the front end of the U-shaped metal door frame (2), the right end of the fireproof door body (3) is rotationally connected with the U-shaped metal door frame (2) through a plurality of hinges (6), the rotatable angle of the fireproof door body (3) through the hinges (6) is greater than 120 degrees, and the outer wall of the fireproof door body (3) is further sprayed with a high-temperature-resistant fireproof coating, characterized in that: The front end outer wall of the fireproof door body (3) is provided with an auxiliary escape device (5) on the upper side of the center. ​ The auxiliary escape device (5) comprises a storage box (9), a liquid storage box (12) and a fixed back plate (13), the rear end of the liquid storage box (12) is welded with the fixed back plate (13), the fixed back plate (13) is fixed on the front end outer wall of the fireproof door body (3), the left and right ends of the liquid storage box (12) are both welded with the storage box (9), the upper and lower ends and the front end outer wall of the liquid storage box (12) are flush with the storage box (9), the opening direction of the storage box (9) is forward, the auxiliary escape device (5) further comprises a drop prevention baffle (10) and a water-absorbing cotton cloth (11), a plurality of water-absorbing cotton cloths (11) are stacked in the interiors of the two storage boxes (9), a drop prevention baffle (10) is fixed in the interior of the front end opening of the lower half of each of the two storage boxes (9), the drop prevention baffle (10) can prevent the water-absorbing cotton cloths (11) from falling out of the storage box (9).

2. The fire door according to claim 1, wherein: The auxiliary escape device (5) further comprises a liquid outlet (14), a sealing end cover A (15), a liquid inlet (16) and a sealing end cover B (17), the top center of the liquid storage box (12) is provided with the liquid inlet (16), the liquid inlet (16) is sleeved with the sealing end cover B (17) outside the opening, the bottom center of the liquid storage box (12) is provided with the liquid outlet (14), and the bottom end of the liquid outlet (14) is sleeved with the sealing end cover A (15) outside the opening.

3. The fire door according to claim 2, wherein: The liquid inlet (16) and the liquid outlet (14) are both in communication with the interior of the liquid storage box (12), fresh water can be injected into the interior of the liquid storage box (12) through the liquid inlet (16), and the fresh water in the interior of the liquid storage box (12) can be discharged through the liquid outlet (14) after the sealing end cover A (15) is removed.

4. The fire door according to claim 1, wherein: The front and rear ends of the left side of the center of the fireproof door body (3) are both provided with door handles (4), the interior of the center of the fireproof door body (3) is provided with an inorganic fireproof plate, and the front and rear ends of the inorganic fireproof plate are both provided with rock wool and glass wool which are stacked with each other.

5. The fire door according to claim 1, wherein: The rear end top and the inner walls of the left and right ends of the U-shaped metal door frame (2) are connected with sealing baffle frames (7), and the front end outer wall of the sealing baffle frame (7) is pasted and fixed with a high-temperature-resistant sealing strip (8).

6. The fire door according to claim 5, wherein: After the fireproof door body (3) is completely closed into the interior of the U-shaped metal door frame (2), the high-temperature-resistant sealing strip (8) is attached to the fireproof door body (3).

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