Double-leafed smoke-proof and fire-proof door with different directions for traffic tunnel

Abstract

The utility model relates to a kind of double-leaf different-direction smoke-proof fire door for traffic tunnel, including the first side door frame and the second side door frame being arranged in left and right sides, and the first door leaf and the second door leaf being arranged between the first side door frame and the second side door frame, the first side door frame is provided with the first sealing groove of rear opening along vertical direction in front side, the second side door frame is provided with the second sealing groove of front opening along vertical direction in rear side, the rear side of first door leaf is hinged with the rear side of first side door frame, the front side of second door leaf is hinged with the front side of second side door frame, the inside of first door leaf and second door leaf is respectively spaced apart and provided with multiple reinforcing frameworks along vertical direction, when first door leaf and second door leaf are in closed state, first door leaf and second door leaf can be opened back and opened front respectively.The utility model sets first door leaf and second door leaf opening in different directions from front to back, when fire accident occurs, it is more beneficial to personnel to evacuate, escape and rescue.

Description

Technical Field

[0001] This utility model relates to the field of smoke and fireproof door technology, and in particular to a double-leaf anti-smoke and fireproof door for traffic tunnels. Background Technology

[0002] Fire doors are components in buildings used to prevent the spread of fire. They meet the requirements of fire resistance stability, integrity, and heat insulation for a certain period of time. They are usually installed in fire compartments, evacuation stairwells, vertical shafts, etc. They have become an indispensable fire protection configuration in modern buildings and are subject to mandatory application. They have the function of preventing the spread of fire and smoke and can stop the spread of fire for a certain period of time to ensure the evacuation of personnel.

[0003] Most fire doors on the market are single-leaf doors or double-leaf doors that open in the same direction, increasing the difficulty for firefighters to conduct rescue operations and for people to evacuate simultaneously. For example, Chinese utility model patent CN222716784U discloses a fire door with smoke-proof effect for fire escape routes, including a door frame, a first door panel connected to the door frame via a pivot, a second door panel connected to the door frame via a pivot, and a fixed frame connecting the first and second door panels to the outside. By providing a frame, strip plate, sealing plate, and sealing frame on the outside of the door, the smoke-proof effect of the fire door can be improved.

[0004] During use, the aforementioned equipment provides smoke protection to the edges of the door, greatly improving the door's smoke-proofing ability. However, in the event of a fire, when the door is opened, the first and second door panels open in the same direction, causing a conflict between firefighters' rescue efforts and personnel evacuation. To balance both aspects, existing fire doors require further improvement. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a double-leaf anti-smoke and fireproof door for traffic tunnels, in which the first and second leaves open in different directions, i.e., one leaf opens towards the evacuation direction and the other leaf opens towards the fire rescue direction, thus taking into account both personnel evacuation and fire rescue.

[0006] The objective of this utility model is achieved through the following technical solution:

[0007] A double-leaf, counter-directional smoke and fireproof door for traffic tunnels includes a first side door frame and a second side door frame disposed on the left and right sides, and a first door leaf and a second door leaf disposed between the first side door frame and the second side door frame. The front side of the first side door frame has a first sealing groove opening to the rear along the vertical direction, and the rear side of the second side door frame has a second sealing groove opening to the front along the vertical direction. The rear side of the first door leaf is hinged to the rear side of the first side door frame, and the front side of the second door leaf is hinged to the front side of the second side door frame. The interior of the first door leaf and the second door leaf are respectively provided with multiple reinforcing frames spaced apart along the vertical direction. When the first door leaf and the second door leaf are in the closed state, the first door leaf and the second door leaf can be opened to the rear and to the front, respectively.

[0008] Furthermore, the first side door frame and the second side door frame are centrally symmetrically arranged.

[0009] Furthermore, a first sealing strip is provided in the first sealing groove, and the first sealing strip is in sealing cooperation with the front side of the first door leaf near the first side door frame.

[0010] Furthermore, a second sealing strip is provided in the second sealing groove, and the second sealing strip is in sealing cooperation with the rear side of the second door leaf near the second side door frame.

[0011] Furthermore, a smoke-proof sealing strip is provided on the side of the first door leaf close to the second door leaf and located between the first door leaf and the second door leaf.

[0012] Furthermore, the first side door frame, the second side door frame, the first door leaf, and the second door leaf are all integrally bent and formed.

[0013] Furthermore, the interior of the first and second door panels is filled with fire-resistant core material, which is a combination of fire-resistant board and fire-resistant core panel.

[0014] Furthermore, three-point wind-pressure resistant push latches are respectively provided on the front side of the first door leaf and the rear side of the second door leaf.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] First, the first and second door frames of this utility model are centrally symmetrically arranged. The first and second door leaves are respectively hinged to the rear side of the first door frame and the front side of the second door frame. In the event of a fire, the first and second door leaves open to the evacuation direction and the fire rescue direction respectively, thus solving the problems of evacuation of victims and rescue by firefighters.

[0017] Secondly, a first sealing strip is installed on the front side of the first door frame to seal with the front side of the first door leaf, and a second sealing strip is installed on the rear side of the second door frame to seal with the rear side of the second door leaf. A smoke-proof sealing strip is installed at the gap between the first door leaf and the second door leaf to prevent smoke from seeping through the gap between the door leaf and the door frame. The sealing effect is good, and it has good fireproof and smoke-proof effects.

[0018] Finally, several reinforcing frames are welded vertically inside the first and second door panels. The first and second door panels are filled with a combination of fireproof boards and fireproof door core boards as fireproof door core materials to ensure the fire resistance and wind pressure resistance of the door panels. Attached Figure Description

[0019] Figure 1 This is a cross-sectional schematic diagram of a double-leaf anti-smoke and fireproof door for traffic tunnels according to this utility model.

[0020] Figure 2 This is a cross-sectional view of the first side door frame of this utility model.

[0021] Figure 3 This is a partial cross-sectional view of the first and second door panels of this utility model.

[0022] Figure 4 This is a vertical sectional view of a double-leaf anti-smoke and fireproof door for traffic tunnels according to this utility model.

[0023] Figure 5 This is a partial vertical sectional view of a double-leaf anti-smoke and fireproof door for traffic tunnels according to this utility model.

[0024] Figure 6 This is a front view of a double-leaf anti-smoke and fireproof door for traffic tunnels according to this utility model. Detailed Implementation

[0025] The present invention will be further described in detail below with reference to the embodiments shown in the accompanying drawings.

[0026] like Figures 1 to 6As shown in the figure, this embodiment provides a double-leaf anti-smoke and fireproof door for traffic tunnels, including a first side door frame 1 and a second side door frame 2 disposed on the left and right sides, and a first door leaf 3 and a second door leaf 4 disposed between the first side door frame 1 and the second side door frame 2. The front side of the first side door frame 1 is provided with a first sealing groove 11 opening to the rear along the vertical direction, and the rear side of the second side door frame 2 is provided with a second sealing groove 21 opening to the front along the vertical direction. The rear side of the first door leaf 3 is hinged to the rear side of the first side door frame 1, and the front side of the second door leaf 4 is hinged to the front side of the second side door frame 2. The interior of the first door leaf 3 and the second door leaf 4 are provided with multiple reinforcing frames 5 spaced apart along the vertical direction. When the first door leaf 3 and the second door leaf 4 are in the closed state, the first door leaf 3 and the second door leaf 4 can be opened to the rear and to the front, respectively.

[0027] In this embodiment, the first side door frame 1 and the second side door frame 2 are centrally symmetrically arranged, so that the first door leaf 3 and the second door leaf 4 can be hinged to the rear side of the first side door frame 1 and the front side of the second side door frame 2 respectively, so that the first door leaf 3 and the second door leaf 4 can be opened in opposite directions.

[0028] In this embodiment, a first sealing strip 12 is provided in the first sealing groove 11. The first sealing strip 12 is sealed and fitted with the front side of the first door leaf 3 near the first side door frame 1. A second sealing strip 22 is provided in the second sealing groove 21. The second sealing strip 22 is sealed and fitted with the rear side of the second door leaf 4 near the second side door frame 2. When the first door leaf 3 and the second door leaf 4 are closed, the first sealing strip 12 and the second sealing strip 22 prevent smoke from entering through the gap between the first door leaf 3 and the first side door frame 1 and the second door leaf 4 and the second side door frame 2, thereby effectively improving the smoke prevention effect of the entire fire door.

[0029] like Figure 4 and Figure 5 As shown, it also includes an upper door frame 8. The front end of the upper door frame 8, near the first door leaf 3, is provided with a rearward-opening third sealing groove 81. The third sealing groove 81 is provided with a third sealing strip 82, which is sealed to the upper front side of the first door leaf 3. The rear end of the upper door frame 8, near the second door leaf 4, is provided with a forward-opening fourth sealing groove 83. The fourth sealing groove 83 is provided with a fourth sealing strip 84, which is sealed to the upper rear side of the second door leaf 4. When the first door leaf 3 and the second door leaf 4 are closed, the third sealing strip 82 and the fourth sealing strip 84 prevent smoke from entering through the gap between the front side of the first door leaf 3 and the upper door frame 8 and the rear side of the second door leaf 4 and the upper door frame 8, thereby effectively improving the smoke prevention effect of the entire fire door.

[0030] In this embodiment, a smoke-proof sealing strip 13 is provided on the side of the first door leaf 3 close to the second door leaf 4 and between the first door leaf 3 and the second door leaf 4 to prevent smoke from overflowing along the gap between the first door leaf 3 and the second door leaf 4, thereby improving the airtightness and smoke-proof performance of the door leaf.

[0031] In this embodiment, the first side door frame 1, the second side door frame 2, the first door leaf 3, and the second door leaf 4 are all integrally bent from stainless steel plates to ensure the overall strength of the door frame and door leaf.

[0032] In this embodiment, the interior of the first door leaf 3 and the second door leaf 4 is filled with fireproof door core material 6. The fireproof door core material 6 is a combination of fireproof board and fireproof door core board to improve the fire resistance of the door leaf.

[0033] In this embodiment, three-point wind-pressure resistant push-locks 7 are respectively provided on the front side of the first door leaf 3 and the rear side of the second door leaf 4 to ensure that the first door leaf 3 and the second door leaf 4 can be closed at multiple points to achieve pressure locking and ensure the airtight performance of the door leaf. Moreover, in case of emergency, they can be quickly pushed open for escape.

[0034] The above description is merely a preferred embodiment of the present utility model and should not be construed as limiting the scope of the present utility model. Any simple equivalent changes and modifications made in accordance with the scope of the present utility model patent application and the description of the utility model shall still fall within the scope of the present utility model patent.

Claims

1. A double-leaf anti-smoke and fireproof door for traffic tunnels, comprising a first side door frame and a second side door frame disposed on the left and right sides, and a first door leaf and a second door leaf disposed between the first side door frame and the second side door frame, characterized in that: The front side of the first side door frame has a first sealing groove that opens to the rear along the vertical direction, and the rear side of the second side door frame has a second sealing groove that opens to the front along the vertical direction. The rear side of the first door leaf is hinged to the rear side of the first side door frame, and the front side of the second door leaf is hinged to the front side of the second side door frame. The interior of the first and second door leaves is provided with multiple reinforcing frames spaced apart along the vertical direction. When the first and second door leaves are in the closed state, the first and second door leaves can be opened to the rear and to the front, respectively.

2. The double-leaf anti-smoke and fireproof door for traffic tunnels according to claim 1, characterized in that: The first side door frame and the second side door frame are arranged symmetrically at the center.

3. A double-leaf anti-smoke and fireproof door for traffic tunnels according to claim 2, characterized in that: The first sealing groove is provided with a first sealing strip, which is sealed to the front side of the first door leaf near the first side door frame.

4. A double-leaf anti-smoke and fireproof door for traffic tunnels according to claim 3, characterized in that: The second sealing groove is provided with a second sealing strip, which is sealed to the rear side of the second door leaf near the second side door frame.

5. A double-leaf anti-smoke and fireproof door for traffic tunnels according to claim 1, characterized in that: A smoke-proof sealing strip is provided on the side of the first door leaf close to the second door leaf and located between the first door leaf and the second door leaf.

6. A double-leaf anti-smoke and fireproof door for traffic tunnels according to claim 5, characterized in that: The first side door frame, the second side door frame, the first door leaf, and the second door leaf are all integrally bent and formed.

7. A double-leaf anti-smoke and fireproof door for traffic tunnels according to claim 6, characterized in that: The interior of the first and second door panels is filled with fireproof door core material, which is a combination of fireproof board and fireproof door core panel.

8. A double-leaf anti-smoke and fireproof door for traffic tunnels according to claim 7, characterized in that: Three-point wind-pressure resistant push latches are respectively installed on the front side of the first door leaf and the rear side of the second door leaf.

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