CN219548760U - Sealing structure of fireproof door - Google Patents
Sealing structure of fireproof door Download PDFInfo
- Publication number
- CN219548760U CN219548760U CN202320557998.XU CN202320557998U CN219548760U CN 219548760 U CN219548760 U CN 219548760U CN 202320557998 U CN202320557998 U CN 202320557998U CN 219548760 U CN219548760 U CN 219548760U
- Authority
- CN
- China
- Prior art keywords
- fire
- door
- fireproof
- door frame
- fire prevention
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Special Wing (AREA)
Abstract
The utility model relates to the technical field of fireproof doors, in particular to a sealing structure of a fireproof door, which comprises a fireproof door frame, wherein one side in the fireproof door frame is rotationally connected with a door shaft, the fireproof door frame is rotationally connected with a fireproof door plate through the door shaft, the bottom and the top of the fireproof door frame are respectively provided with a slot, fireproof strips which expand when encountering fire are fixedly connected in the slots, and the bottom of the rear side of the fireproof door plate is fixedly connected with a magnetic sheet. The utility model has the advantages that: through setting up the fire inflation fire prevention strip in the top and the bottom of fire prevention door frame, under the normal condition, meet fire inflation fire prevention strip shrink in the fluting, prevent the possibility that the pedestrian from rubbing the fire prevention strip when passing through, and make there is the clearance between fire door plant and the fire prevention door frame, make fire door plant can smooth and easy rotation and make air circulate by a small amount, when the conflagration breaks out, meet fire inflation fire prevention strip thermal expansion and block up the closure with the clearance between fire door plant and the fire prevention door frame to improve the leakproofness of this fire door when the condition of a fire.
Description
Technical Field
The utility model relates to the technical field of fireproof doors, in particular to a sealing structure of a fireproof door.
Background
The fireproof door is a door capable of meeting the requirements of fire resistance stability, integrity and heat insulation in a certain time, is a fireproof partition with certain fire resistance and arranged among fireproof partitions, evacuation stairwells, vertical shafts and the like, is specially used for isolating fire sources in building construction, has a great effect on fire-fighting work, and can acquire escape opportunities through the fireproof door once a fire disaster occurs.
The sealing structure of the fireproof door disclosed in the Chinese patent CN218376222U is characterized in that the sealing structure of the fireproof door is combined with a water inlet pipe, a water outlet pipe and a water injection bucket through a sealing strip, a water storage tank, a controller, a control valve, a water storage tank, a liquid level sensor, a water inlet pipe and a water injection bucket, so that automatic water injection into the sealing strip is effectively realized, and the phenomenon of spontaneous combustion of the sealing strip during fire is prevented.
The sealing structure of the existing fireproof door has the defects that: the sealing structure of the existing fireproof door is characterized in that sealing strips are arranged in gaps of the fireproof door to improve the sealing performance of the fireproof door, but the sealing strips are too slow to fill gaps of the fireproof door, so that the opening and closing of the fireproof door are relatively high in resistance, the smoothness of the opening and closing of the fireproof door is affected, the sealing strips are attached to the fireproof door, the surfaces of the sealing strips are located outside the door frame, and workers are easily scratched and abraded to thin the sealing strips or fall off to affect the sealing effect of the fireproof door.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a sealing structure of a fireproof door, which effectively solves the defects of the prior art.
The aim of the utility model is achieved by the following technical scheme: the utility model provides a seal structure of fire door, includes the fire door frame, the inside one side of fire door frame rotates and is connected with the door axle, the fire door frame is connected with the fire door plant through the door axle rotation, the fluting has all been seted up to the bottom and the top of fire door frame, fixedly connected with meets fire inflation fire prevention strip in the fluting, the first magnetic sheet of bottom fixedly connected with of fire door plant rear side, the bottom fixedly connected with linking board of fire door frame rear side, the front side fixedly connected with second magnetic sheet of linking board.
Optionally, the shape of fire door plant and the inner wall shape looks adaptation of fire door frame, all there are five millimeter clearances between top and bottom and the fire door frame of fire door plant.
Optionally, the length of meeting fire inflation fire prevention strip and the width looks adaptation of fire door plant, the surface of meeting fire inflation fire prevention strip is located the coplanar with the inner wall of fire door frame, meet fire inflation fire prevention strip and the clearance width looks adaptation between fire door plant and the fire door frame after the thermal expansion increase.
The technical scheme is adopted: through setting up the fire inflation fire prevention strip in the top and the bottom of fire prevention door frame, under the normal condition, meet fire inflation fire prevention strip shrink in the fluting, prevent the possibility that the pedestrian from rubbing the fire prevention strip when passing through, and make there is the clearance between fire door plant and the fire prevention door frame, make fire door plant can smooth and easy rotation and make air circulate by a small amount, when the conflagration breaks out, meet fire inflation fire prevention strip thermal expansion and block up the closure with the clearance between fire door plant and the fire prevention door frame to improve the leakproofness of this fire door when the condition of a fire.
Optionally, a plurality of torsion springs are arranged on the door shaft, and the torsion of the torsion springs enables the fireproof door plate to be parallel to the fireproof door frame.
Optionally, one side fixedly connected with wax stone of linking board, linking board passes through wax stone and second magnetic sheet fixed connection, the laminating face magnetism of first magnetic sheet and second magnetic sheet is opposite, the magnetic force between first magnetic sheet and the second magnetic sheet is greater than torsion sum of torsion spring.
The technical scheme is adopted: through setting up torsion spring on the door-hinge and making fire door plant can automatic closure, set up two magnetic sheets and make fire door plant can keep open the state when needs, conveniently carry furniture or open the door and ventilate, when near the fire condition appears in fire door, the wax piece is heated and melts then second magnetic sheet and link up the board and remove fixed relation, then fire door plant no longer receives the pulling force effect of second magnetic sheet to receive torsion spring effect automatic closure, thereby make this fire door take place the condition of a fire when opening the state and can avoid automatically to accomplish sealedly, avoid preventing to fire the action that the condition of a fire can not play isolated fire by the condition of a fire when being fixed when opening the state.
Optionally, the fire-retardant coating is all paintd on the surface of fire-proof door frame and fire-proof door plant, the both sides of fire-proof door plant all fixedly connected with handle.
Optionally, the middle part fixedly connected with observation window of fire prevention door plant, the material of observation window is double-layered silk fire prevention glass.
The technical scheme is adopted: through setting up the observation window on the fire prevention door plant, when taking place the condition of fire, the escape person can observe the condition of fire prevention door plant opposite side through the observation window before opening the door, avoids fire door plant another side fire to be great escape person trade and opens the door by the condition of burn.
The utility model has the following advantages:
1. this seal structure who prevents fire door through setting up at the top and the bottom of fire door frame and meeting the fire inflation fire prevention strip, under the normal condition, meet the fire inflation fire prevention strip shrink in the fluting, prevent the possibility that the pedestrian from rubbing the fire prevention strip when passing through, and make there is the clearance between fire door plant and the fire door frame, make fire door plant can smooth and easy rotation and make the circulation of a small amount of air, when the conflagration takes place, meet the fire inflation fire prevention strip thermal expansion and block up the closure with the clearance between fire door plant and the fire door frame, thereby improve the leakproofness of this fire door when the condition of a fire.
2. This seal structure who prevents fire door makes fire door plant can automatic closure through setting up torsion spring on the door spindle, set up two magnetic sheets and make fire door plant can keep open the state when needs, make things convenient for transport furniture or ventilation that opens the door, when near the condition of a fire appears in preventing fire door, the wax stone is heated and melts then second magnetic sheet and link up the board and remove fixed relation, then fire door plant no longer receives the pulling force effect of second magnetic sheet and receive torsion spring effect automatic closure, thereby make this fire door plant take place the condition of a fire when opening the state and can avoid automatically accomplishing sealedly, avoid preventing to prevent that fire door from being fixed when opening the state and take place the condition of a fire can not play the effect of isolated condition of a fire.
3. This seal structure who prevents fire door through setting up the observation window on the fire door plant, when taking place the condition of fire, can observe the condition of fire door plant opposite side through the observation window before the escape person opens the door, avoids fire door plant another side fire to be great escape person trade and open the door by the condition of burn.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is a schematic rear view of the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 4B according to the present utility model.
In the figure: the fire-proof door comprises a 1-fire-proof door frame, a 2-door shaft, a 3-fire-proof door plate, a 4-slot, a 5-fire-expansion fire-proof strip, a 6-first magnetic sheet, a 7-connecting plate, an 8-second magnetic sheet, a 9-torsion spring, a 10-wax block, a 11-handle and a 12-observation window.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 1 to 5, a sealing structure of a fireproof door comprises a fireproof door frame 1, wherein one side of the inner part of the fireproof door frame 1 is rotationally connected with a door shaft 2, the fireproof door frame 1 is rotationally connected with a fireproof door plate 3 through the door shaft 2, the bottom and the top of the fireproof door frame 1 are provided with grooves 4, fire expansion fireproof strips 5 are fixedly connected in the grooves 4, a first magnetic sheet 6 is fixedly connected with the bottom of the rear side of the fireproof door plate 3, a connecting plate 7 is fixedly connected with the bottom of the rear side of the fireproof door frame 1, and a second magnetic sheet 8 is fixedly connected with the front side of the connecting plate 7.
Example 1: the shape of the fireproof door plate 3 is matched with the shape of the inner wall of the fireproof door frame 1, and five millimeter gaps exist between the top and the bottom of the fireproof door plate 3 and the fireproof door frame 1.
Example 2: the length of the fire-expanding fireproof strip 5 is matched with the width of the fireproof door plate 3, the surface of the fire-expanding fireproof strip 5 and the inner wall of the fireproof door frame 1 are located on the same plane, the thickness of the fire-expanding fireproof strip 5 increased after being heated and the gap width between the fireproof door plate 3 and the fireproof door frame 1 are matched, the fire-expanding fireproof strip 5 is arranged at the top and the bottom of the fireproof door frame 1, under normal conditions, the fire-expanding fireproof strip 5 is contracted in the groove 4, the possibility that pedestrians rub the fireproof strip off when passing through is avoided, gaps exist between the fireproof door plate 3 and the fireproof door frame 1, the fireproof door plate 3 can smoothly rotate and enable air to flow in a small amount, and when a fire disaster occurs, the gap between the fireproof door plate 3 and the fireproof door frame 1 is blocked and sealed by the thermal expansion of the fire-expanding fireproof strip 5, so that the sealing performance of the fireproof door in fire condition is improved.
Example 3: the door shaft 2 is provided with a plurality of torsion springs 9, and the torsion of the torsion springs 9 enables the fireproof door panel 3 to be parallel to the fireproof door frame 1.
Example 4: one side fixedly connected with wax stone 10 of joint board 7, the joint board 7 passes through wax stone 10 and second magnetic sheet 8 fixed connection, the laminating face magnetism of first magnetic sheet 6 and second magnetic sheet 8 is opposite, magnetic force between first magnetic sheet 6 and the second magnetic sheet 8 is greater than torsion sum of torsion spring 9, make fire door plant 3 can automatic closure through setting up torsion spring 9 on door-hinge 2, set up two magnetic sheets and make fire door plant 3 can keep open the state when needing, conveniently carry furniture or open the door and ventilate, when near fire door appears in the fire door, wax stone 10 is heated and melts then second magnetic sheet 8 and joint board 7 release fixed relation, then fire door plant 3 no longer receives the pulling force effect of second magnetic sheet 8 and receives torsion spring 9 effect automatic closure, thereby make this fire door can automatic avoid accomplishing the seal when opening the state to take place the fire, avoid being fixed and can not play the effect of isolating in the fire condition of preventing fire.
Example 5: the surfaces of the fireproof door frame 1 and the fireproof door plate 3 are coated with flame retardant paint, and handles 11 are fixedly connected to the two sides of the fireproof door plate 3.
Example 6: the middle part fixedly connected with observation window 12 of fire prevention door plant 3, the material of observation window 12 is pressed from both sides silk fire prevention glass, through setting up observation window 12 on fire prevention door plant 3, when taking place the condition of a fire, can observe the condition of fire prevention door plant 3 opposite side through observation window 12 before the escape person opens the door, avoids fire prevention door plant 3 another side fire condition great escape person trade and opens the door by the condition of burn.
The working principle of the utility model is as follows:
s1, under normal conditions, the fire-expanding fireproof strip 5 is contracted in the slot 4, so that the possibility that a pedestrian rubs the fireproof strip when passing through is avoided;
s2, when a fire disaster occurs, the fire-swelling fireproof strip 5 swells to block and seal a gap between the fireproof door plate 3 and the fireproof door frame 1, so that the sealing performance of the fireproof door in the case of fire is improved.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
1. this seal structure who prevents fire door sets up through top and bottom at fire door frame 1 and meets fire inflation fire prevention strip 5, under the normal condition, meet fire inflation fire prevention strip 5 shrink in fluting 4, prevent the possibility that the pedestrian from rubbing the fire prevention strip when passing through, and make there is the clearance between fire door plant 3 and the fire door frame 1, make fire door plant 3 can smooth and easy rotation and make the circulation of a small amount of air, when the conflagration takes place, meet fire inflation fire prevention strip 5 thermal expansion and block up the closure with the clearance between fire door plant 3 and the fire door frame 1, thereby improve the leakproofness of this fire door when the condition of a fire.
2. This seal structure who prevents fire door makes fire door plant 3 can automatic closure through setting up torsion spring 9 on door spindle 2, set up two magnetic sheets and make fire door plant 3 can keep open the state when needs, conveniently carry furniture or open the door and ventilate, when preventing near fire door, wax stone 10 is heated and melts then second magnetic sheet 8 and the fixed relation of joining board 7 release, then fire door plant 3 no longer receives the pulling force effect of second magnetic sheet 8 and receives torsion spring 9 effect automatic closure, thereby make this prevent fire door take place the condition of a fire when opening the state and can avoid automatically accomplishing sealedly, avoid preventing to prevent that fire door from being fixed when opening the state and take place the condition of a fire can not play the effect of isolated condition of a fire.
3. This seal structure who prevents fire door through setting up observation window 12 on fire door plant 3, when taking place the condition of a fire, can observe the condition of fire door plant 3 opposite side through observation window 12 before the escape person opens the door, avoids fire door plant 3 another side fire condition to be great escape person trade and opens the door by the condition of burn.
Claims (7)
1. A seal structure of fire door, its characterized in that: including fire prevention door frame (1), one side rotation of fire prevention door frame (1) inside is connected with door axle (2), fire prevention door frame (1) is connected with fire prevention door plant (3) through door axle (2) rotation, fluting (4) have all been seted up at the bottom and the top of fire prevention door frame (1), fixedly connected with meets fire inflation fire strip (5) in fluting (4), the first magnetic sheet (6) of bottom fixedly connected with of fire prevention door plant (3) rear side, the bottom fixedly connected with of fire prevention door frame (1) rear side links up board (7), the front side fixedly connected with second magnetic sheet (8) of linking board (7).
2. A sealing structure for a fire rated door as defined in claim 1, wherein: the shape of the fireproof door plate (3) is matched with the shape of the inner wall of the fireproof door frame (1), and five millimeter gaps are reserved between the top and the bottom of the fireproof door plate (3) and the fireproof door frame (1).
3. A sealing structure for a fire rated door according to claim 2, wherein: the length of the fire-expanding fireproof strip (5) is matched with the width of the fireproof door plate (3), the surface of the fire-expanding fireproof strip (5) and the inner wall of the fireproof door frame (1) are located on the same plane, and the thickness of the fire-expanding fireproof strip (5) increased after being heated and the gap width between the fireproof door plate (3) and the fireproof door frame (1) are matched.
4. A sealing structure for a fire rated door according to claim 3, wherein: the fireproof door is characterized in that a plurality of torsion springs (9) are arranged on the door shaft (2), and the torsion of the torsion springs (9) enables the fireproof door plate (3) to be parallel to the fireproof door frame (1).
5. The sealing structure of a fire door according to claim 4, wherein: one side fixedly connected with wax stone (10) of linking board (7), linking board (7) pass through wax stone (10) and second magnetic sheet (8) fixed connection, the laminating face magnetism of first magnetic sheet (6) and second magnetic sheet (8) is opposite, magnetic force between first magnetic sheet (6) and second magnetic sheet (8) is greater than torsion sum of torsion spring (9).
6. The sealing structure of a fire door according to claim 5, wherein: the fire-retardant coating is coated on the surfaces of the fire-retardant door frame (1) and the fire-retardant door plate (3), and handles (11) are fixedly connected to the two sides of the fire-retardant door plate (3).
7. The sealing structure of a fire door according to claim 6, wherein: the middle part fixedly connected with observation window (12) of fire prevention door plant (3), the material of observation window (12) is double-layered silk fire prevention glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320557998.XU CN219548760U (en) | 2023-03-21 | 2023-03-21 | Sealing structure of fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320557998.XU CN219548760U (en) | 2023-03-21 | 2023-03-21 | Sealing structure of fireproof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219548760U true CN219548760U (en) | 2023-08-18 |
Family
ID=87704021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320557998.XU Active CN219548760U (en) | 2023-03-21 | 2023-03-21 | Sealing structure of fireproof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219548760U (en) |
-
2023
- 2023-03-21 CN CN202320557998.XU patent/CN219548760U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101096681B1 (en) | Automatic closing louver device for fire protection | |
| CN110173200B (en) | Steel energy-saving fireproof window and manufacturing process thereof | |
| CN110259351B (en) | Manufacturing process of high-efficiency energy-saving aluminum alloy fireproof window | |
| CN206448740U (en) | A kind of steel aluminium combination fire window with bimetal leaf temperature-sensitive latch | |
| CN219548760U (en) | Sealing structure of fireproof door | |
| CN207004362U (en) | A kind of fire-resistant steel lining Combined fireproof window construction | |
| CN207583237U (en) | Fire window | |
| CN207296801U (en) | A kind of combined heat insulated fire window of high temperature resistant door curtain made of cloth and refractory metal blind | |
| CN207813422U (en) | A kind of double-open type has the perspective fire resistant doorsets of skeleton structure | |
| CN206647008U (en) | Meet the bridge-cut aluminum section bar structure of fire integrity | |
| CN211819079U (en) | Steel fireproof door with high flame retardant property | |
| CN210439916U (en) | Steel fireproof window glass frame body glue sealing structure | |
| CN208934563U (en) | A kind of steel heat-insulating fireproof door | |
| CN206888868U (en) | One kind energy-conservation plastic refractory system window | |
| CN207436845U (en) | A kind of green energy conservation heat-insulating, fire-preventing window | |
| CN219220217U (en) | High-strength wooden fireproof door | |
| CN221053561U (en) | Fireproof structure of fireproof door | |
| CN221053556U (en) | Wooden concatenation formula baking finish prevents fire door | |
| CN214330421U (en) | Building fireproof door with water storage protection function | |
| CN214463606U (en) | Translation door with fire prevention mechanism | |
| CN219177017U (en) | Fireproof valve | |
| CN219101148U (en) | Novel smoke-proof fireproof door | |
| CN220792079U (en) | Fire prevention valve with fire-retardant function | |
| CN208473630U (en) | A kind of Novel fire-proof door | |
| CN217233318U (en) | Wooden concatenation type baking finish prevents fire door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |