CN218716986U

CN218716986U - Subway tunnel decompression type fireproof door

Info

Publication number: CN218716986U
Application number: CN202222942515.6U
Authority: CN
Inventors: 林旭
Original assignee: Shenzhen Longhui Sanhe Security Technology Co ltd
Current assignee: Shenzhen Longhui Sanhe Security Technology Co ltd
Priority date: 2022-11-05
Filing date: 2022-11-05
Publication date: 2023-03-24
Anticipated expiration: 2032-11-05

Abstract

The utility model belongs to the technical field of prevent fire door, especially prevent fire door for subway tunnel decompression formula, including the door frame, door frame surface block is connected with the installing frame, door frame front end left part and front end right part all have a body, two through hinge swing joint door body front end upper portion all is provided with observation window, two the equal fixedly connected with door handle of door body front end, two the equal fixedly connected with decompression mechanism of one end two angle inner walls that the door frame is close to the installing frame, the installing frame is inside to be opened there is the movable groove, the spout has all been opened with lower cell wall left part and lower cell wall right part to cell wall left part and last cell wall right part on the movable groove, the door frame is connected with the movable groove block. Subway tunnel decompression formula prevent fire door, can effectively reduce the piston wind that the subway operation in-process produced and to the effort of the door body, alleviate the pressure that prevents fire door and receive, improve the life who prevents fire door, and thermal-insulated effectual, reduced the possibility that the safety risk takes place.

Description

Subway tunnel decompression type fireproof door

Technical Field

The utility model relates to a prevent fire door technical field, in particular to fire door is prevented to subway tunnel decompression formula.

Background

The fireproof door for the subway tunnel is a door arranged between two tunnels and mainly comprises a single door and a double door, and has the main function of fire prevention in the original related standard specifications so as to evacuate passengers in emergency. The original fireproof door of the subway tunnel is a common steel fireproof door, and the use process of the existing fireproof door of the subway tunnel has at least the following defects: 1. in the use process of the existing fire door for the subway tunnel, a common steel fire door is usually used, and in the subway operation process, piston wind can continuously generate positive pressure and negative pressure on a door body, so that the common steel fire door is easy to deform or fall off, and the service life of the fire door is shortened; 2. in the fire door use is prevented in current subway tunnel, conflagration and prevent fire door direct contact, thermal-insulated effect is not good, and the high temperature of conflagration can directly conduct the inside of preventing fire door, has improved the possibility of safe risk, so, we push out the fire door is prevented to new subway tunnel decompression formula.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a fire door is prevented to subway tunnel decompression formula can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

subway tunnel decompression type prevents fire door, including the door frame, door frame surface block is connected with the installing frame, door frame front end left part and front end right part all have a door body, two through hinge swing joint door body front end upper portion all is provided with observation window, two the equal fixedly connected with door handle in door body front end, two the equal fixedly connected with decompression mechanism of one end both corners inner wall that the door frame is close to the installing frame, the inside movable groove that has opened of installing frame, the spout has all been opened with lower cell wall left part and lower cell wall right part to cell wall left part and last cell wall right part on the movable groove, the door frame is connected with the movable groove block, and decompression mechanism is located the movable groove.

Preferably, the front part and the rear part of the pressure reducing mechanism are movably connected with the mounting frame in a penetrating manner, and the upper part of the pressure reducing mechanism is connected with the sliding groove in a sliding manner.

Preferably, the pressure reducing mechanism comprises an installation block, the right end of the installation block is fixedly connected with the door frame, the middle part of the front end of the installation block and the middle part of the rear end of the installation block are fixedly connected with a connecting rod and springs, the springs are respectively positioned on the outer sides of the two connecting rods, the connecting rods are far away from an equal fixedly connected with limiting block at one end of the installation block, and a sliding block is fixedly connected with the upper end of the installation block.

Preferably, two the connecting rod all alternates with the installing frame and is connected, two the spring is kept away from the one end of installation piece and all is connected with activity inslot wall fixed connection, slider and spout sliding connection.

Preferably, the common fixedly connected with reinforcing plate of left wall and interior right wall in the door body, reinforcing plate front end fixedly connected with puigging, reinforcing plate rear end fixedly connected with insulating layer, the equal fixedly connected with flame retardant coating of one end that the reinforcing plate was kept away from to insulating layer and puigging.

Preferably, one end of each of the two fire-proof layers, which is far away from the heat insulation layer and the sound insulation layer, is fixedly connected with the front wall and the rear wall in the door body respectively, and the thicknesses of the heat insulation layer and the sound insulation layer are equal.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the pressure reducing mechanisms are respectively installed through two door body two corners, and the door bodies, the pressure reducing mechanisms and the installation frame are installed together, when piston wind generated during the operation of a subway generates positive and negative pressure on the door bodies, the pressure reducing mechanisms move in the movable grooves, the springs on the pressure reducing mechanisms can effectively reduce acting force, and meanwhile, the sliding blocks slide in the sliding grooves, so that the pressure on the door bodies is reduced, the deformation or falling off of the fireproof door is avoided, and the service life of the fireproof door can be effectively prolonged;

2. the utility model discloses in, can block the intensity of a fire through set up the flame retardant coating in the door body, set up the insulating layer, can insulate against heat the heat that high temperature produced, set up the puigging, can completely cut off the strong noise that the subway operation in-process produced, when the conflagration with prevent fire door direct contact, thermal-insulated effectual, the high temperature that reduces the conflagration conducts the inside of preventing fire door, has also reduced the possibility that the safety risk takes place simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the pressure-reducing fire door for the subway tunnel of the present invention;

FIG. 2 is a schematic view of the internal structure of the installation frame of the decompression type fireproof door for subway tunnels;

FIG. 3 is a schematic view of the overall structure of the decompression mechanism of the decompression type fireproof door for subway tunnels;

figure 4 is the utility model discloses the door body inner structure schematic diagram of fire door is prevented to subway tunnel decompression formula.

In the figure: 1. a door frame; 2. installing a frame; 3. a door body; 4. an observation window; 5. a door handle; 6. a pressure reducing mechanism; 7. a movable groove; 8. a chute; 9. mounting a block; 10. a connecting rod; 11. a spring; 12. a limiting block; 13. a slider; 14. a fire barrier layer; 15. a thermal insulation layer; 16. a reinforcing plate; 17. and a sound insulation layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

subway tunnel decompression type fireproof door, including

door frame

1, 1 surface block of door frame is connected with installing

frame

2, 1 front end left part of door frame and front end right part all have a body 3 through hinge swing joint, 3 front end upper portions of two bodies all are provided with observation window 4, the equal fixedly connected with door handle 5 of 3 front ends of two bodies, two equal fixedly connected with decompression mechanism 6 of one end both corners inner wall that door frame 1 is close to installing frame 2, the inside movable groove 7 that has opened of installing frame 2, cell wall left part and last cell wall right part and cell wall left part down and cell wall right part have all opened spout 8 down on movable groove 7, door frame 1 is connected with movable groove 7 block, and decompression mechanism 6 is located movable groove 7, decompression mechanism 6 front portion and rear portion all alternate swing joint with installing frame 2, decompression mechanism 6's upper portion and spout 8 sliding connection.

In the embodiment, the pressure reducing mechanism 6 comprises an installation block 9, the right end of the installation block 9 is fixedly connected with the door frame 1, the middle part of the front end and the middle part of the rear end of the installation block 9 are both fixedly connected with a connecting rod 10 and a spring 11, the spring 11 can reduce the pressure of piston wind on the door body 3, the two springs 11 are respectively positioned outside the two connecting rods 10, one ends of the two connecting rods 10, far away from the installation block 9, are both fixedly connected with a limiting block 12, the upper end of the installation block 9 is fixedly connected with a sliding block 13, the two connecting rods 10 are both in penetrating connection with the installation frame 2, one ends of the two springs 11, far away from the installation block 9, are both fixedly connected with the inner wall of the movable groove 7, and the sliding block 13 is in sliding connection with the sliding groove 8;

in this embodiment, the common fixedly connected with reinforcing plate 16 of left wall and interior right wall in the

door body

3, 16 front end fixedly connected with puigging 17 of reinforcing plate, puigging 17 can completely cut off the noise that the subway operation produced, 16 rear end fixedly connected with insulating layer 15 of reinforcing plate, insulating layer 15 can insulate against heat the heat when the conflagration takes place, insulating layer 15 and puigging 17 keep away from the equal fixedly connected with flame retardant coating 14 of one end of reinforcing plate 16, the one end that insulating layer 15 and puigging 17 were kept away from to two flame retardant coatings 14 respectively with door body 3 interior antetheca and interior back wall fixed connection, insulating layer 15 and puigging 17's thickness equals.

It should be noted that, the utility model discloses a fire door is prevented to subway tunnel decompression formula, in the use, at first will prevent that fire door installs in subway tunnel, can produce the piston wind when the subway operation, the piston wind can constantly produce positive negative pressure to door body 3, when the piston wind produces pressure to door body 3, decompression mechanism 6 is at the activity of movable groove 7 internalization, spring 11 on the decompression mechanism 6 can effectively cushion the effort of piston wind to door body 3, slider 13 on the decompression mechanism 6 slides in spout 8 in the installing frame 2 simultaneously, thereby make the pressure that the piston wind produced to door body 3 reduce, make the life extension of door body 3, avoid preventing the possibility that fire door warp simultaneously, when the subway operation, the puigging 17 of door body 3 inside can effectively reduce the strong noise that the subway operation produced, when the conflagration takes place, can prevent fires through flame retardant coating 14, can effectively isolate the high temperature heat that the conflagration produced through insulating layer 15, whole subway tunnel prevents fire door, can alleviate the pressure that fire door received, improve the life of preventing fire door, and insulating effect is good, and the possibility that safe risk takes place has been reduced.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Fire door is prevented to subway tunnel decompression formula, including door frame (1), its characterized in that: the door frame (1) surface block is connected with installing frame (2), door frame (1) front end left part and front end right part all have a door body (3), two through hinge swing joint door body (3), door body (3) front end upper portion all is provided with observation window (4), two the equal fixedly connected with door handle (5) in door body (3) front end, two the equal fixedly connected with decompression mechanism (6) of one end both corners inner wall that door frame (1) is close to installing frame (2), installing frame (2) inside is opened has movable groove (7), spout (8) have all been opened with lower cell wall left part and lower cell wall right part to cell wall left part and last cell wall right part on movable groove (7), door frame (1) is connected with movable groove (7) block, and decompression mechanism (6) are located movable groove (7).

2. The decompression type fireproof door for subway tunnel according to claim 1, characterized in that: the front part and the rear part of the pressure reducing mechanism (6) are movably connected with the mounting frame (2) in a penetrating mode, and the upper part of the pressure reducing mechanism (6) is connected with the sliding groove (8) in a sliding mode.

3. A decompression type fire door for subway tunnels according to claim 1, characterized in that: decompression mechanism (6) are including installation piece (9), installation piece (9) right-hand member and door frame (1) fixed connection, installation piece (9) front end middle part and the equal fixedly connected with connecting rod (10) in rear end middle part and spring (11), two spring (11) are located two connecting rod (10) outsides, two the equal fixedly connected with stopper (12) of one end of installation piece (9) are kept away from in connecting rod (10), installation piece (9) upper end fixedly connected with slider (13).

4. The decompression type fireproof door for subway tunnel according to claim 3, characterized in that: two connecting rod (10) all alternate with installing frame (2) and are connected, two the one end that installation piece (9) were kept away from in spring (11) all with activity groove (7) inslot wall fixed connection, slider (13) and spout (8) sliding connection.

5. The decompression type fireproof door for subway tunnel according to claim 1, characterized in that: the door body (3) is interior left wall and the common fixedly connected with reinforcing plate (16) of interior right wall, reinforcing plate (16) front end fixedly connected with puigging (17), reinforcing plate (16) rear end fixedly connected with insulating layer (15), the equal fixedly connected with flame retardant coating (14) of one end that reinforcing plate (16) were kept away from to insulating layer (15) and puigging (17).

6. A decompression type fireproof door for subway tunnels according to claim 5, characterized in that: one ends, far away from the heat insulation layer (15) and the sound insulation layer (17), of the two fire-proof layers (14) are fixedly connected with the inner front wall and the inner rear wall of the door body (3) respectively, and the thicknesses of the heat insulation layer (15) and the sound insulation layer (17) are equal.