Fireproof door with sealing structure
By designing fire doors with a sealing structure and utilizing the combination of push plates and telescopic airbags, the problem of smoke leakage caused by gaps between the fire door and the door frame is solved, achieving a sealing effect in the event of a fire and ensuring escape safety and health.
Patent Information
- Application Number
- CN202423285673.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-31
AI Technical Summary
There are gaps between the existing fire doors and the door frames, which allow smoke to easily enter the escape route, affecting visibility and health during escape.
Design a fire door with a sealing structure. Through the cooperation of a push plate and a telescopic airbag, the elastic material inside the airbag shell expands and seals the gap between the fire door and the door frame. Combined with a push component and a locking system, the sealing performance is ensured.
It effectively prevents smoke from flowing through gaps, ensuring escape safety, avoiding the inhalation of harmful gases, and improving the health and safety of those escaping.
Smart Images
Figure CN223689579U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire door technology, and in particular to a fire door with a sealing structure. Background Technology
[0002] Fire doors are doors that can meet the requirements of fire resistance stability, integrity and heat insulation within a certain period of time. They are fire-resistant partitions with a certain degree of fire resistance installed in fire compartments, evacuation stairwells, vertical shafts and other similar spaces. They are specifically used in buildings to isolate fire sources and play a huge role in fire protection. In the event of a fire, people can use fire doors to escape.
[0003] Most existing fire doors are simply fitted with door frames to achieve a sealing function. However, in this process, there are some gaps between the fire door and the door frame. In the event of a fire, the smoke generated by the fire can easily enter the escape route through these gaps, causing excessive smoke in the escape route to obstruct people's vision and hinder their escape. In addition, the smoke from a fire contains a large number of harmful substances, which can easily affect people's health if inhaled. Utility Model Content
[0004] In order to overcome the shortcomings mentioned in the background art, the present invention provides a fire door with a sealing structure.
[0005] The technical solution is as follows: A fire door with a sealing structure includes a door frame, the fire door being rotatably connected to the side wall of the door frame, a handle being fixedly connected to the side wall of the fire door, a first cavity being provided on the fire door, a locking plate being slidably connected to the side wall of the fire door, a pushing assembly connected to the locking plate being provided on the inner wall of the first cavity, a groove being provided on the outer wall of the fire door on one side of the locking plate, a second cavity being provided on the door frame, an airbag shell being embedded in the door frame, a push plate being slidably connected to the door frame, a telescopic airbag being fixedly connected in the second cavity, the push plate being bonded to the telescopic airbag, and the telescopic airbag being connected to the airbag shell through a pipe.
[0006] Furthermore, the side of the airbag shell facing the fire door is made of a deformable elastic material.
[0007] Furthermore, the push plate and the card plate are in one-to-one correspondence, and the contact side areas of the push plate and the card plate are the same.
[0008] Furthermore, the telescopic airbag is equipped with a return spring for resetting the telescopic airbag.
[0009] Further, the pushing assembly comprises a fixed plate fixedly connected to the inner wall of the first cavity, a sliding frame slidably connected to the fixed plate, one side of the sliding frame being fixedly connected to the clamping plate, a first spring fixedly connected between the sliding frame and the fixed plate, a protrusion fixedly connected to the other side of the sliding frame, a rotating shaft rotatably connected to the fireproof door, a disc fixedly connected to the rotating shaft and located in the first cavity, an extrusion block fixedly connected to the outer side wall of the disc, a rotating disc fixedly connected to the rotating shaft and located outside the fireproof door, a clamping wheel fixedly connected to the rotating shaft and located between the fireproof door and the rotating disc, and a positioning member provided on the side wall of the fireproof door and used for clamping.
[0010] Further, the positioning member comprises a fixed frame fixedly connected to the side wall of the fireproof door, a sliding rod slidably connected to the fixed frame, a clamping tooth fixedly connected to the upper end of the sliding rod and used for clamping cooperation with the clamping wheel, and a stepping plate fixedly connected to the lower end of the sliding rod and used for limiting sliding with the side wall of the fireproof door, and a second spring fixedly connected between the stepping plate and the fixed frame.
[0011] The utility model discloses the beneficial effect of:
[0012] The utility model discloses a disc is rotated through the rotating shaft that rotating disc is driven by the rotating disc, and the sliding frame is moved to the outside through the extrusion of the extrusion block on the disc, and the first spring is stretched along with it, and the sliding frame moves to the outside and can make the clamping plate push the push plate, and the clamping plate enters the second cavity and realizes the fixedness of the fireproof door, and the push plate moves and extrudes the inflatable air bag, and the gas in it enters the air bag shell through the pipeline, and the elastic material on the air bag shell is expanded and moves to the recess with the increase of the gas in the air bag shell, realizes the sealing between the fireproof door and the door frame, avoids the smoke generated when on fire and flows through the gap between the fireproof door and the door frame, influences the safety of the personnel who escapes, can also avoid that the personnel who escapes inhales the harmful gas into the body, causes the influence to the health of the body, and the clamping tooth is moved upward and cooperates with the clamping wheel, realizes the fixedness of the rotating shaft, avoids the extrusion force of the protrusion on the sliding frame and the extrusion block under the action of the first spring and the rotation of the disc, influences the position of the clamping plate, and further influences the sealing property between the fireproof door and the door frame. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the three -dimensional structure schematic diagram of the utility model.
[0014] Figure 2 It is the three -dimensional structure schematic diagram of the utility model fireproof door opening.
[0015] Figure 3 It is the sectional three -dimensional structure schematic diagram of the utility model fireproof door.
[0016] Figure 4 It is a three-dimensional structure schematic view of the card plate of the utility model.
[0017] Figure 5 It is a three-dimensional structure schematic view of the positioning member of the utility model.
[0018] Figure 6 It is a sectional three-dimensional structure schematic view of the door frame of the utility model.
[0019] The drawing reference: 1-door frame, 2-fireproof door, 3-handle, 4-first cavity, 5-fixed plate, 6-sliding frame, 7-card plate, 8-first spring, 9-bump, 10-rotary shaft, 11-disc, 12-extrusion block, 13-rotary disc, 14-card position wheel, 15-fixed frame, 16-sliding rod, 17-card position tooth, 18-treadle, 19-second spring, 20-groove, 21-second cavity, 22-air bag shell, 23-push plate, 24-telescopic air bag. DETAILED DESCRIPTION
[0020] The utility model is further explained below in combination with the drawings and examples.
[0021] A fireproof door with sealing structure, as shown in Figures 1-6 The drawing reference: 1-door frame, 2-fireproof door, 3-handle, 4-first cavity, 5-fixed plate, 6-sliding frame, 7-card plate, 8-first spring, 9-bump, 10-rotary shaft, 11-disc, 12-extrusion block, 13-rotary disc, 14-card position wheel, 15-fixed frame, 16-sliding rod, 17-card position tooth, 18-treadle, 19-second spring, 20-groove, 21-second cavity, 22-air bag shell, 23-push plate, 24-telescopic air bag. The utility model discloses a fireproof door with sealing structure, including door frame 1, fireproof door 2 is connected on the right side wall in door frame 1, and the side wall of fireproof door 2 is fixedly connected with handle 3, and first cavity 4 is seted up on fireproof door 2, and the four side walls of fireproof door 2 are all slidably connected with the card plate 7 (symmetrical card plate 7 size shape is identical) of rectangular distribution, and the inner wall of first cavity 4 is equipped with the push assembly connected with card plate 7, and the outer side wall of fireproof door 2 is located at the rear side of card plate 7 and is provided with groove 20, and second cavity 21 is seted up on door frame 1, and air bag shell 22 is embedded on door frame 1, and the side of air bag shell 22 towards fireproof door 2 is equipped with the elastic material of deformable, and four push plates 23 are slidably connected on door frame 1, and four push plates 23 are rectangular distribution, and push plate 23 and card plate 7 correspond one by one, and the contact side area of push plate 23 and card plate 7 is identical, and four rectangular distribution telescopic air bags 24 are fixedly connected in second cavity 21, and reset spring is arranged in telescopic air bag 24, is used for the reset of telescopic air bag 24, and adjacent push plate 23 and telescopic air bag 24 are bonded, and adjacent telescopic air bag 24 and air bag shell 22 are communicated through pipeline, and push plate 23 moves and extrudes telescopic air bag 24, and the gas in it enters air bag shell 22 through pipeline, and with the gas increase in air bag shell 22, the elastic material on it will expand and move to groove 20, realize the sealing between fireproof door 2 and door frame 1, avoid the smoke produced when on fire and flow through the gap between fireproof door 2 and door frame 1, influence the safety of the personnel who escapes, can also avoid the harmful gas inhaled into the body of the personnel who escapes, cause the influence to the health of body.
[0022] The pushing assembly comprises four fixed plates 5 fixed to the inner wall of the first cavity 4, the four fixed plates 5 are distributed in a rectangular shape, a sliding frame 6 is slidably connected to the fixed plate 5, the outer side of the four sliding frames 6 is respectively fixed to the adjacent clamping plate 7, the first spring 8 is fixed between the adjacent sliding frame 6 and the fixed plate 5, the side wall of the four sliding frames 6 is fixed with a protruding block 9, the fireproof door 2 is rotatably connected with a rotating shaft 10, the rotating shaft 10 is fixed with a disc 11, the disc 11 is located in the first cavity 4, the outer side wall of the disc 11 is fixed with four equidistantly distributed extrusion blocks 12 (the symmetric extrusion blocks 12 are the same in size and shape), the rotating shaft 10 is fixed with a rotating disc 13, and the rotating disc 13 is located on the outer side of the fireproof door 2, the rotating shaft 10 is fixed with a clamping wheel 14, the clamping wheel 14 is located between the fireproof door 2 and the rotating disc 13, the side wall of the fireproof door 2 is provided with a positioning piece for clamping, the positioning piece is matched with the clamping wheel 14, the positioning piece comprises a fixed frame 15 fixed to the front side wall of the fireproof door 2, a sliding rod 16 is slidably connected to the fixed frame 15, the upper end of the sliding rod 16 is fixed with a clamping tooth 17, the clamping tooth 17 is clamped and matched with the clamping wheel 14, the lower end of the sliding rod 16 is fixed with a stepping plate 18 which is limited to slide on the front side wall of the fireproof door 2, the second spring 19 is fixed between the stepping plate 18 and the fixed frame 15, the clamping tooth 17 is matched with the clamping wheel 14 to fix the rotating shaft 10, so as to avoid that the extrusion force of the protruding block 9 on the sliding frame 6 and the extrusion block 12 makes the disc 11 rotate under the action of the first spring 8, which affects the position of the clamping plate 7 and further affects the sealing property between the fireproof door 2 and the door frame 1, the disc 11 rotates to move the extrusion block 12 on it to extrude the protruding block 9, so that the protruding block 9 drives the sliding frame 6 to move outward, the first spring 8 is stretched accordingly, the outward movement of the sliding frame 6 can make the clamping plate 7 push the pushing plate 23, and the clamping plate 7 enters the second cavity 21 to fix the fireproof door 2.
[0023] In use, the user closes the fireproof door 2 and matches with the door frame 1, at this time, the user steps on the stepping plate 18 to move downward, the second spring 19 is stretched, the stepping plate 18 moves downward through the slide rod 16 to drive the clamping teeth 17 to move away from the clamping wheel 14, the clamping wheel 14 is released, then the user drives the rotating shaft 10 through the rotating disc 13 to rotate the disc 11, the disc 11 rotates to move the extrusion block 12 on it to extrude the protruding block 9, the protruding block 9 drives the sliding frame 6 to move outward, the first spring 8 is stretched, the sliding frame 6 moves outward to push the plate 23, the clamping plate 7 enters the second cavity 21 to fix the fireproof door 2, the plate 23 moves to extrude the flexible air bag 24, the gas in the flexible air bag 24 enters the air bag shell 22 through the pipeline, the elastic material on the air bag shell 22 is expanded outward to move into the groove 20, the fireproof door 2 and the door frame 1 are sealed, the smoke generated by fire does not flow through the gap between the fireproof door 2 and the door frame 1, the safety of the escaping personnel is ensured, the escaping personnel can not inhale the harmful gas, the health of the escaping personnel is ensured, after the extrusion block 12 and the protruding block 9 are extruded, the user releases the stepping plate 18, the stepping plate 18 moves upward through the slide rod 16 to drive the clamping teeth 17 to move upward and match with the clamping wheel 14, the rotating shaft 10 is fixed, the protruding block 9 on the sliding frame 6 and the extrusion block 12 are extruded, the disc 11 is not rotated, the position of the clamping plate 7 is not affected, and the sealing between the fireproof door 2 and the door frame 1 is ensured.
[0024] When the fireproof door 2 needs to be opened, the user reversely rotates the rotating disc 13 to move the extrusion block 12 away from the protruding block 9, the extrusion on the sliding frame 6 is released, the clamping plate 7 is reset under the action of the first spring 8 on the sliding frame 6, the plate 23 is reset under the action of the reset spring in the flexible air bag 24, the flexible air bag 24 extracts the gas in the air bag shell 22 in the reset process, the elastic material on the air bag shell 22 is reset to move out of the groove 20, the sealing between the fireproof door 2 and the door frame 1 is released, then the user opens the fireproof door 2.
[0025] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A fireproof door with sealing structure, comprising a door frame (1), a fireproof door (2) being rotatably connected to a side wall of the door frame (1), a handle (3) being fixedly connected to a side wall of the fireproof door (2), characterized in that, The fireproof door (2) is provided with a first cavity (4), the side wall of the fireproof door (2) is slidably connected with a clamping plate (7), the inner wall of the first cavity (4) is provided with a pushing assembly connected with the clamping plate (7), the outer side wall of the fireproof door (2) is provided with a groove (20) on the side of the clamping plate (7), the door frame (1) is provided with a second cavity (21), the door frame (1) is embedded with an air bag shell (22), the door frame (1) is slidably connected with a push plate (23), the second cavity (21) is fixedly connected with a telescopic air bag (24), the push plate (23) is bonded with the telescopic air bag (24), and the telescopic air bag (24) is communicated with the air bag shell (22) through a pipeline.
2. A fire door with a sealing structure according to claim 1, characterized in that, The air bag shell (22) is made of a deformable elastic material towards the fireproof door (2).
3. The fire door with sealing structure according to claim 1, characterized in that, The push plate (23) and the clamping plate (7) are one-to-one corresponding, and the contact side area of the push plate (23) and the clamping plate (7) is the same.
4. The fire door with sealing structure according to claim 1, characterized in that, The telescopic air bag (24) is provided with a reset spring for resetting the telescopic air bag (24).
5. The fire door with sealing structure according to claim 1, characterized in that, The pushing assembly comprises a fixed plate (5) fixedly connected to the inner wall of the first cavity (4), a sliding frame (6) slidably connected to the fixed plate (5), one side of the sliding frame (6) fixedly connected with the clamping plate (7), a first spring (8) fixedly connected between the sliding frame (6) and the fixed plate (5), the other side of the sliding frame (6) fixedly connected with a protruding block (9), a rotating shaft (10) rotatably connected to the fireproof door (2), a disc (11) fixedly connected to the rotating shaft (10), the disc (11) located in the first cavity (4), a pressing block (12) fixedly connected to the outer side wall of the disc (11), a rotating disc (13) fixedly connected to the rotating shaft (10), the rotating disc (13) located outside the fireproof door (2), a clamping wheel (14) fixedly connected to the rotating shaft (10), the clamping wheel (14) located between the fireproof door (2) and the rotating disc (13), and a positioning member provided on the side wall of the fireproof door (2) for clamping, and the positioning member is matched with the clamping wheel (14).
6. A fire door with a sealing structure according to claim 5, characterized in that The positioning member comprises a fixed frame (15) fixedly connected to the side wall of the fireproof door (2), a sliding rod (16) slidably connected to the fixed frame (15), a clamping tooth (17) fixedly connected to the upper end of the sliding rod (16), the clamping tooth (17) matched with the clamping wheel (14) for clamping, a treading plate (18) fixedly connected to the lower end of the sliding rod (16) and limited to slide on the side wall of the fireproof door (2), and a second spring (19) fixedly connected between the treading plate (18) and the fixed frame (15).