Hollow energy-saving fireproof door

Abstract

The utility model relates to the technical field of fireproof doors, in particular to a hollow energy-saving fireproof door which is characterized in that a gap between a first hollow fireproof door and a second hollow fireproof door is sealed through a gap covering plate assembly, and convenience is improved; comprising a door frame, a first hollow fireproof door body, a second hollow fireproof door body, a fireproof lock and a fireproof door closer, the first hollow fireproof door body and the second hollow fireproof door body are movably installed on the inner side of the door frame through hinges, and the first hollow fireproof door body and the second hollow fireproof door body are matched with each other to seal the door frame; a first hollow fireproof door and a second hollow fireproof door are arranged on the door frame, fireproof locks are arranged on the first hollow fireproof door and the second hollow fireproof door, a set of fireproof door closers is arranged between the first hollow fireproof door and the door frame, a set of fireproof door closers is arranged between the second hollow fireproof door and the door frame, and a seam covering plate assembly is arranged between the first hollow fireproof door and the second hollow fireproof door. A fireproof sequencer is arranged on the inner side of the door frame.

Description

Technical Field

[0001] The utility model relates to the technical field of fireproof doors, in particular to a hollow energy-saving fireproof door. Background Art

[0002] Fire doors are an auxiliary device used to block fire when a fire occurs, so as to buy time for people to escape. They are widely used in the field of fire prevention. As people pay more and more attention to fire safety issues, the demand for fire doors has increased significantly.

[0003] In the prior art, a patent document with announcement number CN214835886U discloses a hollow energy-saving metal fire door, including a fire door frame and a hollow fire door, wherein a fireproof glass window and a hollow fire door are arranged on the inner side of the fire door frame, an inner door frame is fixedly connected to the inner side of the hollow fire door, a connecting plate is fixedly connected to the inner side of the door frame, a fixing block is fixedly connected to the inner side of the connecting plate, a fixing bar is fixedly connected to the front and rear ends of the fixing block, a transmission rod is rotatably connected to the left and right ends of the fixing bar, and a slider is rotatably connected to the other end of the transmission rod.

[0004] During use, it was found that the sealing between the two sets of hollow fire doors was poor. If a fire occurred, smoke would spread through the gaps between the two sets of hollow fire doors. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a hollow energy-saving fireproof door which can prevent smoke from spreading.

[0006] The utility model discloses a hollow energy-saving fireproof door, comprising a door frame, a No. 1 hollow fireproof door, a No. 2 hollow fireproof door, a fireproof lock and a fireproof door closer. The No. 1 hollow fireproof door and the No. 2 hollow fireproof door are respectively mounted on the inner side of the door frame through hinges. The No. 1 hollow fireproof door and the No. 2 hollow fireproof door cooperate with each other to seal the door frame. The No. 1 hollow fireproof door and the No. 2 hollow fireproof door are provided with fireproof locks. A group of fireproof door closers are respectively provided between the No. 1 hollow fireproof door and the door frame and between the No. 2 hollow fireproof door and the door frame. The utility model also comprises a sealing plate assembly and a fireproof sequencer. A cover seam plate assembly is provided between the No. 1 hollow fireproof door and the No. 2 hollow fireproof door. The fireproof sequencer is a component of the invention, and a fireproof sequencer is arranged on the inner side of the door frame; when in use, the two groups of fire door closers cooperate with each other to keep the No. 1 hollow fire door and the No. 2 hollow fire door in a closed state, and the No. 1 hollow fire door and the No. 2 hollow fire door cooperate with each other to seal the door frame, and at the same time, the gap between the No. 1 hollow fire door and the No. 2 hollow fire door is sealed by the cover seam plate component. When the No. 1 hollow fire door and the No. 2 hollow fire door are opened, when the No. 1 hollow fire door and the No. 2 hollow fire door are closed again with the cooperation of the corresponding fire door closers, the fireproof sequencer component always makes the No. 1 hollow fire door closed first and then the No. 2 hollow fire door, thereby improving convenience.

[0007] Preferably, the cover seam plate assembly includes a No. 1 cover seam plate body, a No. 1 notch, a No. 2 cover seam plate body and a No. 2 notch. The front end of the No. 1 hollow fire door is provided with the No. 1 cover seam plate body, the rear end of the No. 1 hollow fire door is provided with the No. 1 notch, the rear end of the No. 2 hollow fire door is provided with the No. 2 cover seam plate body, the front end of the No. 2 hollow fire door is provided with the No. 2 notch, the No. 1 cover seam plate body is adapted to the No. 2 notch, and the No. 2 cover seam plate body is adapted to the No. 1 notch; when in use, the No. 1 hollow fire door The first door is closed first, and then the second hollow fire door is closed. When the first and second hollow fire doors are closed, the first cover plate body enters the second slot and the second cover plate body enters the first slot. The first cover plate body, the first slot, the second cover plate body and the second slot cooperate with each other to seal the gap between the first and second hollow fire doors, thereby reducing the smoke from overflowing through the gap between the first and second hollow fire doors when a fire occurs.

[0008] Preferably, the fire sequencer assembly includes a shell, a rotating shaft, an extension arm and a guide wheel, the shell is rotatably provided with a rotating shaft, the extension arm is installed on the rotating shaft, the guide wheel is installed on the extension arm, and the rotating shaft is provided with a torsion spring inside the shell; when the No. 1 hollow fire door and the No. 2 hollow fire door are opened, the extension arm forms an angle of ninety degrees with the shell when the torsion spring is torsioned, and when the No. 1 hollow fire door is closed first, the No. 1 hollow fire door will push the side wall of the extension arm, and the extension arm will perform adaptive angle adjustment, and then the No. 2 hollow fire door will act with the guide wheel, so that the extension arm and the shell are adjusted at an angle of one hundred and eighty degrees, and when the No. 2 hollow fire door is closed first, the extension arm and the guide wheel support the No. 2 hollow fire door, so that the No. 2 hollow fire door waits for the No. 1 hollow fire door to be closed, and the guide wheel is pushed up when the No. 1 hollow fire door is closed, so as to ensure that the No. 1 hollow fire door is closed before the No. 2 hollow fire door.

[0009] Preferably, a buffer pad is further included, and a buffer pad is arranged on the shell; when the No. 1 hollow fire door and the No. 2 hollow fire door are closed, the No. 1 hollow fire door and the No. 2 hollow fire door reduce the impact on the shell under the buffering protection of the buffer pad.

[0010] Preferably, the outer side wall of the extension arm is provided with a smooth wear-resistant coating; when the No. 1 hollow fire door pushes against the side wall of the guide wheel, the smooth wear-resistant coating increases the service life of the extension arm.

[0011] Preferably, fireproof windows are further included. The No. 1 hollow fireproof door and the No. 2 hollow fireproof door are respectively provided with fireproof windows; the staff can conveniently understand the indoor environment through the fireproof windows, thereby improving convenience.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when in use, the two groups of fire door closers cooperate with each other to keep the No. 1 hollow fire door and the No. 2 hollow fire door in a closed state, the No. 1 hollow fire door and the No. 2 hollow fire door cooperate with each other to seal the door frame, and at the same time the gap between the No. 1 hollow fire door and the No. 2 hollow fire door is sealed by a cover seam plate assembly, and when the No. 1 hollow fire door and the No. 2 hollow fire door are opened, when the No. 1 hollow fire door and the No. 2 hollow fire door are reclosed with the cooperation of the corresponding fire door closers, the fire sequencer assembly always closes the No. 1 hollow fire door first and then the No. 2 hollow fire door, thereby improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0014] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0015] Figure 3 It is an enlarged structural diagram of the No. 1 hollow fire door and the No. 2 hollow fire door;

[0016] Figure 4 yes Figure 3 A partial enlarged structural diagram of the middle part;

[0017] Figure 5 It is an enlarged structural diagram of structures such as the extension arm and guide wheel.

[0018] Markings in the attached drawings: 1. door frame; 2. No. 1 hollow fire door; 3. No. 2 hollow fire door; 4. fire lock; 5. fire door closer; 7. No. 1 cover plate body; 8. No. 1 slot; 9. No. 2 cover plate body; 10. No. 2 slot; 11. shell; 12. rotating shaft; 13. extension arm; 14. guide wheel; 15. buffer pad; 16. fire window. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] Example 1

[0021] like Figure 1 and Figure 2 As shown, a hollow energy-saving fire door of the utility model comprises a door frame 1, a No. 1 hollow fire door 2, a No. 2 hollow fire door 3, a fire lock 4 and a fire door closer 5, the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 are respectively installed on the inner side of the door frame 1 through hinges, the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 cooperate with each other to seal the door frame 1, the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 are provided with a fire lock 4, a group of fire door closers 5 are respectively provided between the No. 1 hollow fire door 2 and the door frame 1, and between the No. 2 hollow fire door 3 and the door frame 1, and also include a sealing plate assembly and a fire sequencer, a cover seam plate assembly is provided between the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3, and a fire sequencer is provided on the inner side of the door frame 1;

[0022] like Figure 3 and Figure 4 As shown, the cover seam plate assembly includes a No. 1 cover seam plate body 7, a No. 1 slot 8, a No. 2 cover seam plate body 9 and a No. 2 slot 10. The front end of the No. 1 hollow fire door 2 is provided with the No. 1 cover seam plate body 7, the rear end of the No. 1 hollow fire door 2 is provided with the No. 1 slot 8, the rear end of the No. 2 hollow fire door 3 is provided with the No. 2 cover seam plate body 9, the front end of the No. 2 hollow fire door 3 is provided with the No. 2 slot 10, the No. 1 cover seam plate body 7 is adapted to the No. 2 slot 10, and the No. 2 cover seam plate body 9 is adapted to the No. 1 slot 8.

[0023] In this embodiment, when in use, the two sets of fire door closers 5 cooperate with each other to keep the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 in a closed state. When the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 are opened, the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 are closed again with the cooperation of the corresponding fire door closers 5. The fire sequencer component always closes the No. 1 hollow fire door 2 first and then the No. 2 hollow fire door 3. The No. 1 hollow fire door 2 is closed first, and then the No. 2 hollow fire door 3 is closed. When the fire door 3 is closed, when the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 are closed, the No. 1 cover plate body 7 enters the No. 2 slot 10 and the No. 2 cover plate body 9 enters the No. 1 slot 8. The No. 1 cover plate body 7, the No. 1 slot 8, the No. 2 cover plate body 9 and the No. 2 slot 10 cooperate with each other to seal the gap between the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3, thereby reducing the smoke from overflowing through the gap between the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 when a fire occurs.

[0024] Example 2

[0025] like Figure 1 and Figure 2 As shown, a hollow energy-saving fire door of the utility model comprises a door frame 1, a No. 1 hollow fire door 2, a No. 2 hollow fire door 3, a fire lock 4 and a fire door closer 5, the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 are respectively installed on the inner side of the door frame 1 through hinges, the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 cooperate with each other to seal the door frame 1, the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 are provided with a fire lock 4, a group of fire door closers 5 are respectively provided between the No. 1 hollow fire door 2 and the door frame 1, and between the No. 2 hollow fire door 3 and the door frame 1, and also include a sealing plate assembly and a fire sequencer, a cover seam plate assembly is provided between the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3, and a fire sequencer is provided on the inner side of the door frame 1;

[0026] like Figure 3 and Figure 4 As shown, the cover seam plate assembly includes a No. 1 cover seam plate body 7, a No. 1 notch 8, a No. 2 cover seam plate body 9 and a No. 2 notch 10. The front end of the No. 1 hollow fire door 2 is provided with the No. 1 cover seam plate body 7, the rear end of the No. 1 hollow fire door 2 is provided with the No. 1 notch 8, the rear end of the No. 2 hollow fire door 3 is provided with the No. 2 cover seam plate body 9, the front end of the No. 2 hollow fire door 3 is provided with the No. 2 notch 10, the No. 1 cover seam plate body 7 is adapted to the No. 2 notch 10, and the No. 2 cover seam plate body 9 is adapted to the No. 1 notch 8;

[0027] like Figure 2 and Figure 5As shown, the fire sequencer assembly includes a housing 11, a rotating shaft 12, an extension arm 13 and a guide wheel 14. The housing 11 is rotatably provided with the rotating shaft 12, the rotating shaft 12 is provided with the extension arm 13, the extension arm 13 is provided with the guide wheel 14, and the rotating shaft 12 is provided with a torsion spring inside the housing 11;

[0028] It also includes a buffer pad 15 and a fireproof window 16. The buffer pad 15 is arranged on the shell 11, and the No. 1 hollow fireproof door 2 and the No. 2 hollow fireproof door 3 are respectively provided with fireproof windows 16.

[0029] In the present embodiment, when in use, the two groups of fire door closers 5 cooperate with each other to make the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 in a closed state. After the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 are opened, the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 are reclosed with the cooperation of the corresponding fire door closers 5. When the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 are opened, the extension arm 13 and the shell 11 are at an angle of ninety degrees when the torsion spring is torsioned. When the No. 1 hollow fire door 2 is closed first, the No. 1 hollow fire door 2 will push the side wall of the extension arm 13, and the extension arm 13 will adjust the angle adaptively. After that, the No. 2 hollow fire door 3 acts with the guide wheel 14, so that the extension arm 13 and the shell 11 are adjusted at an angle of one hundred and eighty degrees. When the No. 2 hollow fire door 3 is closed first When closing, the extension arm 13 and the guide wheel 14 support the No. 2 hollow fire door 3, so that the No. 2 hollow fire door 3 waits for the No. 1 hollow fire door 2 to be closed, and the guide wheel 14 is pushed up when the No. 1 hollow fire door 2 is closed, so as to ensure that the No. 1 hollow fire door 2 is closed before the No. 2 hollow fire door 3. When the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 are closed, the No. 1 cover plate body 7 enters the No. 2 slot 10 and the No. 2 cover plate body 9 enters the No. 1 slot 8. The No. 1 cover plate body 7, the No. 1 slot 8, the No. 2 cover plate body 9 and the No. 2 slot 10 cooperate with each other to seal the gap between the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3, so as to reduce the smoke overflow through the gap between the No. 1 hollow fire door 2 and the No. 2 hollow fire door 3 when a fire occurs.

[0030] The fire lock 4 and the fire door closer 5 of the hollow energy-saving fire door of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual without the need for creative work by technicians in the field.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A hollow energy-saving fire door, comprising a door frame (1), a No. 1 hollow fire door (2), a No. 2 hollow fire door (3), a fire lock (4) and a fire door closer (5), wherein the No. 1 hollow fire door (2) and the No. 2 hollow fire door (3) are respectively installed on the inner side of the door frame (1) through hinges, the No. 1 hollow fire door (2) and the No. 2 hollow fire door (3) cooperate with each other to seal the door frame (1), the No. 1 hollow fire door (2) and the No. 2 hollow fire door (3) are provided with fire locks (4), and a group of fire door closers (5) are respectively provided between the No. 1 hollow fire door (2) and the door frame (1) and between the No. 2 hollow fire door (3) and the door frame (1), wherein the fire door closer (5) is characterized in that: It also includes a sealing plate assembly and a fire sequencer, a cover plate assembly is arranged between the first hollow fire door (2) and the second hollow fire door (3), and a fire sequencer is arranged on the inner side of the door frame (1).

2. A hollow energy-saving fireproof door as claimed in claim 1, characterized in that: The cover plate assembly comprises a No. 1 cover plate body (7), a No. 1 notch (8), a No. 2 cover plate body (9) and a No. 2 notch (10); the front end of the No. 1 hollow fire door (2) is provided with the No. 1 cover plate body (7); the rear end of the No. 1 hollow fire door (2) is provided with the No. 1 notch (8); the rear end of the No. 2 hollow fire door (3) is provided with the No. 2 cover plate body (9); the front end of the No. 2 hollow fire door (3) is provided with the No. 2 notch (10); the No. 1 cover plate body (7) is matched with the No. 2 notch (10); and the No. 2 cover plate body (9) is matched with the No. 1 notch (8).

3. A hollow energy-saving fireproof door as claimed in claim 1, characterized in that: The fire sequencer assembly comprises a housing (11), a rotating shaft (12), an extension arm (13) and a guide wheel (14); the housing (11) is rotatably provided with the rotating shaft (12); the extension arm (13) is mounted on the rotating shaft (12); the guide wheel (14) is mounted on the extension arm (13); and the rotating shaft (12) is provided with a torsion spring inside the housing (11).

4. A hollow energy-saving fireproof door as claimed in claim 3, characterized in that: It also comprises a buffer pad (15), and the buffer pad (15) is arranged on the shell (11).

5. A hollow energy-saving fireproof door as claimed in claim 3, characterized in that: The outer side wall of the extension arm (13) is provided with a smooth wear-resistant coating.

6. A hollow energy-saving fireproof door as claimed in claim 1, characterized in that: It also comprises a fireproof window (16), and the first hollow fireproof door (2) and the second hollow fireproof door (3) are respectively provided with a fireproof window (16).

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