CN220869242U

CN220869242U - Fireproof door and safety house

Info

Publication number: CN220869242U
Application number: CN202322339002.0U
Authority: CN
Inventors: 申乾
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-04-30
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses a fireproof door and a safety house, wherein the fireproof door comprises a door frame, a door plate, a flexible connecting pipe, an infusion device and a detection device, the door frame and the door plate are of hollow structures, the door plate is rotatably connected with the door frame through a hinge, and the door plate is provided with a first liquid spraying hole; the connecting pipe is used for communicating the door frame with the inner cavity of the door plate; the transfusion device is used for sending cooling liquid into the door frame; the detection device is used for detecting fire conditions near the fireproof door. The first spraying holes spray liquid to form a water wall to cover the door frame, so that flames are prevented from touching the door frame and the door plate, and the fireproof effect is improved. The hollow door frame and the door plate can also enable the cooling liquid to reduce the temperature of the cooling liquid, protect facilities such as internal pipelines and the like, and mutually cooperatively protect.

Description

Fireproof door and safety house

Technical Field

The application relates to the technical field of fireproof doors, in particular to a fireproof door with a better fireproof effect and a safety house.

Background

Fireproof doors refer to doors that can meet fire resistance, integrity, and thermal insulation requirements over a period of time. Such doors are intended to elevate the door material to the corresponding effect and have limited fire protection time.

Some existing fire doors therefore either add waterways to lower the fire door to the point of fire or are formed to organize the spread of fire as much as possible by water circulation or water spraying. For example, patent document CN218206465U discloses a fire door for residence, in which a water spray ring is arranged on the side of the door frame to form a water curtain to prevent fire from spreading, but only the flame is limited to approach the door frame, the flame can still touch the door frame, once the door frame fails, the water spray ring also fails and causes a chain reaction, for example, the door frame burns immediately, and the fire-proof effect is poor.

And for high-rise houses, how to effectively reduce personnel hazard caused by fire disaster when facing the fire disaster is still a problem to be overcome.

Disclosure of utility model

The application provides a fireproof door with better fireproof effect.

The application provides a fireproof door, which comprises:

The door frame is of a hollow structure,

The door plate is of a hollow structure and is rotationally connected with the door frame through a hinge, and the door plate is provided with a first liquid spraying hole;

a flexible connecting pipe for communicating the door frame with the inner cavity of the door plate;

the transfusion device is used for sending cooling liquid into the door frame;

and the detection device is used for detecting fire conditions near the fireproof door.

The following provides several alternatives, but not as additional limitations to the above-described overall scheme, and only further additions or preferences, each of which may be individually combined for the above-described overall scheme, or may be combined among multiple alternatives, without technical or logical contradictions.

Optionally, the door frame has the portion of stopping changeing that leans on the door plant when preventing fire door closing, it is provided with the sealing strip to stop changeing between portion and the door frame.

Optionally, the rotation stop portion has a first groove that accommodates the connection tube.

Optionally, the first groove is disposed at a corner position of the door frame.

Optionally, the connecting pipe is a corrugated pipe.

Optionally, the first liquid spraying hole is arranged on the outer surface of the door plate.

Optionally, a second liquid spraying hole is formed in the upper edge of the door frame.

Optionally, a reinforcing rib is arranged in the door plate.

The application also provides a safety house which is built in the high-rise residence and comprises a wall body with fireproof property and a fireproof door, wherein the fireproof door is any one of the fireproof doors.

According to the fireproof door disclosed by the application, the first liquid spraying holes are formed in the door plate, the sprayed water wall covers the door frame, flames are effectively prevented from approaching the door frame and the door plate, the fireproof effect is improved, and the fireproof door is especially used for safety houses of houses and office buildings, and the safety houses can be used as fire refuge places for personnel with corresponding layers.

Drawings

Fig. 1 is a schematic view of a fire rated door in an embodiment of the present application in a closed state;

Fig. 2 is a schematic view of the fire rated door of fig. 1 in an open position;

Fig. 3 is a schematic structural diagram of the fire door of fig. 1 and a corresponding pipeline layout;

fig. 4 is a schematic structural view of the fire door adding and conveying device and the hydropower control box according to an embodiment in fig. 3;

Fig. 5 is a side view of the fire rated door of fig. 1 sprayed to form a liquid wall;

fig. 6 is a front view of the fire rated door of fig. 1 sprayed to form a liquid wall;

FIG. 7 is an enlarged view of portion A of FIG. 2;

FIG. 8 is a section view of section B-B of FIG. 3;

fig. 9 is a schematic structural view of the fire door of fig. 8 in an open state;

Fig. 10 is a schematic view of a fire rated door in accordance with another embodiment of the present application in a closed position;

FIG. 11 is a schematic diagram of the parallel connection structure of the manual ball valve and the electromagnetic valve in the application;

FIG. 12 is a schematic diagram of the configuration of the smoke sensor, temperature sensor and manual emergency switch control solenoid valve of the present application;

Fig. 13 is a schematic structural view of a safety house according to an embodiment of the application.

Reference numerals in the drawings are described as follows:

11. A door frame; 111. an upper edge; 112. a side edge; 113. a rotation stopping part; 1131. a rotation stopping surface; 1132. a first rotation stopping surface; 1133. a second rotation stopping surface; 1134. a third rotation stopping surface; 117. a first groove; 118. a liquid inlet; 119. a liquid outlet;

12. a sealing strip; 13. a door panel; 131. a second groove; 132. reinforcing ribs;

14. A connecting pipe; 15. a first liquid spraying hole; 151. a liquid wall; 16. a conveying device; 17. a detection device; 18. a rotary joint; 19. a second liquid spraying hole; 20. a hydropower control box; 21. a wall body; 22. an electromagnetic valve; 23. a manual ball valve; 24. a smoke sensor; 25. a temperature sensor; 26. a manual emergency switch;

1000. And (5) a safety house.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It will be understood that 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. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

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 application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the present disclosure, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implicitly indicating the number, order of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

Referring to fig. 1 to 6, the present application provides a fire door comprising a door frame 11 connected to a wall 21 and a door panel 13 rotatably connected to the door frame 11 through a hinge, wherein the door frame 11 has an upper edge 111 and a side edge 112, and has a hollow structure with the door panel 13, and the inside of the door frame and the door panel can be used for flowing cooling liquid and filling fire-proof materials. The fireproof door is provided with an opening state in which the door plate 13 is opened and a closing state in which the door plate 13 is closed, the door plate 13 is provided with a first liquid spraying hole 15, the first liquid spraying hole 15 is used for spraying cooling liquid, the sprayed cooling liquid forms a liquid wall 151 in the closing state of the fireproof door, and the covered area of the liquid wall 151 at least comprises a door frame 11 so as to prevent flame from touching the door frame and the door plate, thereby improving the fireproof effect.

The fireproof door of the embodiment further comprises a flexible connecting pipe 14, a conveying device 16 and a detecting device 17, and the inner cavities of the door frame and the door plate are communicated, so that cooling liquid of the door frame can enter the door plate and at least partially is sprayed out through the first liquid spraying holes 15. The cooling liquid is conveyed into the door frame by the conveying device 16, the door frame 11 is provided with a liquid inlet 118 and a liquid outlet 119, and the liquid outlet can be connected to a cooling system and returned to the conveying device for circulation; or the cooling liquid is connected to the sewer pipe, the corresponding cooling liquid is tap water, and the liquid inlet is in butt joint with the tap water pipe. The conveying device and the corresponding liquid pipeline are embedded in the wall body and are provided with maintenance channels, so that the conveying device can be maintained.

The detection device 17 is used for detecting fire conditions in the vicinity of the fire door, and may be mounted on the fire door or on a wall or building material in the vicinity of the fire door. Once the detecting device detects a fire, the conveying device starts to work.

The fireproof door is suitable for being installed in a house construction stage, and a plurality of fireproof doors can be installed for a house with high requirements, such as a laboratory or a safe house of a high-rise building such as a house, an office and the like, in consideration of the fact that pipelines and equipment are required to be arranged in a wall body; for a house, the fireproof door can be installed in a bathroom and is close to a water source, so that pipeline arrangement is facilitated, and an existing opener can perform unified installation in the initial stage of construction.

According to the fireproof door disclosed by the application, the first liquid spraying holes on the door plate spray liquid to form the water wall, so that the door frame is covered, flame is prevented from touching the door frame and the door plate, and the fireproof effect is improved. The hollow door frame and the door plate can also enable the cooling liquid to reduce the temperature of the cooling liquid, protect facilities such as internal pipelines and the like, and mutually cooperatively protect.

In one embodiment, as shown in fig. 3 and 4, a stiffener 132 is provided within the hollow door panel 13, the stiffener 132 providing structural strength to the door panel against explosions and other impacts outside the door. While reducing the weight of the door panel. Wherein the door panel is divided into an upper region and a lower region along the central line of the height direction, and a plurality of reinforcing ribs 132 are arranged in each region at intervals. Preferably, a reinforcing rib 132 extending along the midline is provided at the midline position.

In one embodiment, the door panel is provided with a spray head with a first spray hole.

Referring to fig. 7, in one embodiment, the door frame 11 has a rotation stopping portion 113 that abuts against the door panel 13 when the fire door is closed, and a sealing strip 12 is provided between the rotation stopping portion 113 and the door frame 11. First, the fire door has an inner side and an outer side, for example in a closed space, the side of the fire door facing the space being the inner side and the opposite outer side. The first spraying holes are arranged at least on the outer side of the door plate, and for some fireproof doors installed in the corridor, fire situations can occur on the inner side and the outer side of the fireproof doors, and the first spraying holes are arranged on the inner side and the outer side of the door plate 13.

The rotation stopping portion 113 includes at least one rotation stopping surface forming 90 degrees with the outer surface of the fire door, and the sealing strip 12 is disposed on the rotation stopping surface 1131. In the drawings, the rotation stop portion 113 has three first rotation stop surfaces 1132, second rotation stop surfaces 1133, and third rotation stop surfaces 1134 that are 90 degrees to each other. The sealing strip 12 is arranged on at least one of the rotation stopping surfaces.

In one embodiment, as shown in fig. 7-9, the rotation stop 113 has a first recess 117 that receives the connecting tube 14. The corresponding door panel 13 is provided with a second recess 131 opposite to the first recess 117. Two ends of the connecting pipe 14 are connected with rotary joints 18, and the two rotary joints 18 are respectively connected with the door frame 11 or the door plate 13. In the actual rotation process of the door plate 13, the connecting pipe 14 is driven to rotate to adapt to the rotation amplitude of the door plate, the rotation of the rotary joint 18 is matched with the deformation capability of the connecting pipe 14, the connecting pipe 14 is prevented from transitionally twisting beyond the deformation capability of the connecting pipe 14, and the connecting pipe 14 is broken due to repeated stress changes.

The first groove 117 is disposed at a corner position of the door frame 11, specifically, the first groove 117 is disposed on the second rotation stopping surface 1133 and the third rotation stopping surface 1134 and is close to an upper edge of the door frame, and when the fireproof door is in a closed state, the connecting pipe is hidden and covered, so that the connecting pipe is prevented from being damaged. The sealing strip 12 is disposed on one turn of the first rotation stop surface 1132.

In one embodiment, the connecting tube 14 is a bellows.

Referring to fig. 5 and 6, the spraying direction of the first spraying hole 15 is perpendicular to the direction of the inner side and the outer side of the fire door, and as shown in fig. 5, the liquid wall has a tendency to extend further to the outer side, so that the flame and the smoke are difficult to access. As shown in fig. 6, the number of the first liquid spraying holes 15 is multiple and is close to the top of the door panel, the downward spraying of the cooling liquid can be completely covered by gravity, a certain water pressure is needed when the cooling liquid is sprayed upwards, and the first liquid spraying holes 15 are arranged close to the top, so that the water pressure requirement is reduced, the urban water pressure can also meet the requirement, namely, the liquid inlet of the door frame is directly connected with a tap water pipeline. In the figure, for convenient reading, only the liquid spraying paths of the first liquid spraying holes on two sides are displayed.

Referring to fig. 10, in another embodiment, the upper edge of the door frame 11 is provided with a second liquid spraying hole 19. The ejection effect of the second liquid ejection holes 19, the corresponding piping arrangement, and the like can be referred to the first ejection holes.

Referring to fig. 4, 11 and 12, in an embodiment, the fire door further includes a hydro-electric control box 20, including a manual ball valve 23 and a solenoid valve 22 connected in parallel with the liquid inlet of the door frame, wherein the solenoid valve 22 is controlled by the detection device 17 in a linkage manner, the manual ball valve 23 is used as a backup valve, once the first spraying hole is found to be incapable of spraying water, or the manual ball valve is opened to manually pre-judge that the fire is serious, and the conveying device 16 is manually started to spray the liquid from the first spraying hole.

In one embodiment, the detection means 17 comprises a smoke sensor 24, a temperature sensor 25 and a manual emergency switch 26 in parallel for controlling the solenoid valve 22.

Referring to fig. 13, the present application also provides a safety house 1000 constructed in a high-rise residence or office building, wherein the safety house includes a wall having fire-proof properties and a fire door using the fire door of the foregoing embodiment.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. When technical features of different embodiments are embodied in the same drawing, the drawing can be regarded as a combination of the embodiments concerned also being disclosed at the same time.

The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application.

Claims

1. Fireproof door, its characterized in that includes:

The door frame is of a hollow structure,

the transfusion device is used for sending cooling liquid into the door frame;

2. The fire door of claim 1, wherein the door frame has a rotation stop against the door panel when the fire door is closed, and a sealing strip is disposed between the rotation stop and the door frame.

3. The fire door of claim 2, wherein the anti-rotation portion has a first recess that receives the connecting tube.

4. A fire rated door according to claim 3 wherein the first recess is provided in a corner location of the door frame.

5. The fire rated door according to claim 1 wherein the connecting tube is a bellows.

6. The fire rated door according to claim 1 wherein the first spray apertures are provided in an outer surface of the door panel.

7. The fire door of claim 1, wherein the upper edge of the door frame is provided with a second spray orifice.

8. The fire door of claim 1, wherein the door panel has a stiffener disposed therein.

9. A safety house built in a high-rise residence, characterized in that the safety house comprises a wall body with fireproof property and a fireproof door, and the fireproof door adopts the fireproof door according to any one of claims 1 to 7.