CN110700746A - Composite steel fire-proof rolling shutter door - Google Patents
Composite steel fire-proof rolling shutter door Download PDFInfo
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- CN110700746A CN110700746A CN201910995547.2A CN201910995547A CN110700746A CN 110700746 A CN110700746 A CN 110700746A CN 201910995547 A CN201910995547 A CN 201910995547A CN 110700746 A CN110700746 A CN 110700746A
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- fire prevention
- fire
- sealing strip
- fireproof
- rolling shutter
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2305—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging
- E06B7/2312—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging with two or more sealing-lines or -planes between the wing and part co-operating with the wing
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2314—Plastic, sponge rubber, or like strips or tubes characterised by the material
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2316—Plastic, sponge rubber, or like strips or tubes used as a seal between the floor and the wing
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2318—Plastic, sponge rubber, or like strips or tubes by applying over- or under-pressure, e.g. inflatable
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/58—Guiding devices
- E06B9/582—Means to increase gliss, light, sound or thermal insulation
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/58—Guiding devices
- E06B2009/588—Sealings for guides
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a composite steel fireproof rolling shutter door, relating to the technical field of fireproof rolling shutter doors, and the key points of the technical scheme are as follows: the curtain plate fixing device comprises a door frame and a curtain plate, wherein the upper end of the door frame is rotatably connected with a scroll, and the upper end of the curtain plate is fixedly connected to the scroll; the relative inboard of portal along vertical direction is seted up and is supplied curtain board horizontal direction both ends embedding and the guide slot that removes, and the inside wall of guide slot is provided with the fire prevention sealing member, and the fire prevention sealing member includes along vertical direction set up in the fire prevention sealing strip that the cross-section of guide slot inside wall is the U-shaped setting, set up the fire prevention gasbag in fire prevention sealing strip U-shaped intracavity, is equipped with sodium bicarbonate in the fire prevention gasbag. Set up the fire prevention sealing member, when the intensity of a fire is close to fire prevention rolling slats door, the fire prevention gasbag is heated and expands for the fire prevention sealing strip is hugged closely and is closed in the terminal surface of curtain board, has strengthened the leakproofness of curtain board with the guide slot, thereby reduces the flue gas and sees through from the rolling slats door both sides, strengthens flue gas isolation effect.
Description
Technical Field
The invention relates to the technical field of fireproof rolling doors, in particular to a composite steel fireproof rolling door.
Background
The composite steel fireproof rolling shutter door is formed by filling fireproof protection materials in the middle of double-layer steel shutter plates. The curtain plates are all made of steel plates, each unit of the curtain plates is formed by compounding two layers of steel plates, and the fireproof protection materials are filled between the two layers of steel plates.
The patent is CN 108533151A's Chinese invention patent, this patent discloses a steel fire prevention rolling slats door, including rolling slats door, frame, spool, guide rail, door plant and pivot, the positive surface mounting of rolling slats door has the frame, the spool is installed at the top of rolling slats door, the equal opening in middle part of frame inboard is provided with the guide rail, the bottom fixedly connected with door plant of pivot, the inside rotation of door plant is connected with a plurality of pivot, the inside seamless welding of frame has the sound insulation metal level, and the sound insulation metal level is installed in the outside of guide rail, the bottom opening of frame is provided with the seal groove, the positive surface of door plant is laminated closely has fire protection coating, the inside of door plant is laminated closely has the sound insulation chamber, the sound insulation rock wool layer is installed on the left side in sound insulation chamber.
When adopting above-mentioned steel fire prevention rolling slats door, when taking place the condition of a fire, dense cigarette still sees through from the gap between rolling slats door and the guide rail easily to lead to the isolation effect to the flue gas not good, it is more troublesome, wait to improve.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the composite steel fireproof rolling door which has the advantages of reducing the permeation of smoke from two sides of the rolling door and enhancing the smoke isolation effect.
In order to achieve the purpose, the invention provides the following technical scheme:
a composite steel fireproof rolling shutter door comprises a door frame and a shutter plate, wherein the upper end of the door frame is rotatably connected with a scroll, and the upper end of the shutter plate is fixedly connected to the scroll; the relative inboard of vertical direction is followed to the portal and is offered the guide slot that supplies curtain board horizontal direction both ends embedding and remove, the inside wall of vertical direction is provided with the fire prevention sealing member along the guide slot, the fire prevention sealing member includes along vertical direction set up in the fire prevention sealing strip that the cross-section of guide slot inside wall is the U-shaped setting, set up in the fire prevention gasbag of fire prevention sealing strip U-shaped intracavity, the opening orientation of fire prevention sealing strip and the face parallel arrangement of curtain board, be equipped with sodium bicarbonate in the fire prevention gasbag, the one end that the fire prevention sealing strip is close to the curtain board is contradicted on the.
Through the technical scheme, sodium bicarbonate powder is usually adopted as the sodium bicarbonate, the sodium bicarbonate is easily decomposed by heating, and the solid begins to be gradually decomposed at the temperature of more than 50 ℃ to generate sodium carbonate, carbon dioxide and water. When a fire occurs, the curtain plates of the fireproof rolling door are put down for isolation. When the intensity of a fire is close to rolling slats door one side, the sodium bicarbonate in the fire prevention gasbag can be heated and decomposed, fire resistance can be strengthened to the humidification of fire prevention gasbag to the water that its produced, the carbon dioxide of while production can make fire prevention gasbag swell, thereby make the fire prevention gasbag can push up the both sides wall of fire prevention sealing strip U-shaped and keep away from each other, because the direct fixed connection of one of them lateral wall of fire prevention sealing strip is in the inside wall of guide slot, so another lateral wall of fire prevention sealing strip is towards curtain board deformation under fire prevention gasbag's top is moved, thereby make fire prevention sealing strip tightly laminate in the terminal surface of curtain board, thereby the leakproofness of curtain board with the guide slot has been strengthened, thereby reduce the flue gas and see through.
Furthermore, an elastic connecting part is connected between two side walls at one side of the opening of the fireproof sealing strip, and one side of the elastic connecting part, which is deviated from the opening of the fireproof sealing strip, is abutted against the fireproof airbag; the elastic connecting part comprises two elastic plates which are arranged in a V-shaped splicing manner, and the two elastic plates are gradually close to the fireproof airbag towards the direction close to each other.
Through above-mentioned technical scheme, set up elastic connection portion, when fire prevention gasbag is heated and expands, fire prevention gasbag touches the one end that fire prevention sealing strip both sides wall was kept away from at the top, fire prevention gasbag still can push up the elastic plate and be close to fire prevention gasbag's one end to make the contained angle grow between two elastic plates, make the fire prevention sealing strip of U-shaped be close to the power of opening one side conflict curtain board more strengthen, thereby further strengthened the leakproofness of curtain board and guide slot, make and separate the cigarette effect better.
Furthermore, the joints between the two elastic plates and the joints between each elastic plate and the fireproof sealing strips are thinned.
Through above-mentioned technical scheme, the attenuation is handled, and when fire prevention gasbag conflict elastic connection portion made two elastic plates deformation, the setting of becoming thin department takes place in deformation department preferentially when making deformation for elastic resistance of two elastic plate angle grow in-process is littleer, thereby makes the leakproofness of fire-proof sealing strip conflict curtain board better.
Furthermore, the fireproof sealing strip is a flame-retardant sealing rubber strip.
Through the technical scheme, the fireproof sealing strip is made of the flame-retardant rubber, and has the characteristics of well delaying ignition, reducing flame propagation speed and self-extinguishing after leaving fire.
Furthermore, the fireproof air bag is made of flame-retardant aluminum foil cloth.
By the technical scheme, the fireproof air bag is a strip-shaped bag body made of flame-retardant aluminum foil cloth, the flame-retardant aluminum foil cloth is also called aluminum foil glass fiber cloth, and the special advanced composite process is applied, so that the composite aluminum foil has the characteristics of smooth and flat surface, high light reflectivity, large longitudinal and transverse tensile resistance, air impermeability, water impermeability, good sealing performance, strong weather resistance and the like. When the fire prevention gasbag was located the U die cavity of fire prevention sealing strip, was in half flat half state of bulging, made things convenient for follow-up being heated to expand.
Furthermore, one end of the fireproof sealing strip, which is close to the curtain plate, also comprises a fireproof sponge layer.
Through the technical scheme, the fireproof sponge layer is arranged, and the fireproof sponge is also called as flame-retardant sponge, fireproof cotton and flame-retardant cotton, and is generally a fireproof material synthesized by various polyurethanes added with flame retardants. The fire prevention sponge is softer, and when the fire prevention sealing strip supported into on the curtain board, the curtain board face unevenness usually, and the surface of deformation laminating curtain board can be corresponded to the fire prevention sponge layer to make holistic sealed effect stronger.
Furthermore, each two opposite inner side walls of the guide groove are provided with the fireproof sealing parts.
Through above-mentioned technical scheme, all set up fire prevention sealing member through both sides inside wall, two side seal can be so that holistic leakproofness is better.
Furthermore, the tank bottom that deviates from the guide slot on one side of the opening of the fireproof sealing strip sets up, the lower extreme of the fireproof airbag is including the discharge tube, the discharge tube is located the fireproof airbag bottom and sets up towards opening one side of the fireproof sealing strip, it is provided with the sealed lid of unloading to correspond on the discharge tube.
Through above-mentioned technical scheme, set up the discharge tube, do not stretch to preventing under the fire door's the condition when the condition of a fire, can exhaust through opening the sealed lid of unloading after the condition of a fire for the fire prevention gasbag resumes to be half flat half state of bulging. In addition, sodium bicarbonate is completely decomposed at 440 ℃, and the sodium bicarbonate inside is still more remained so as to be used for the next time. In addition, water and sodium carbonate which are heated and react inside can be discharged from the discharge pipe.
Further, the top of fire prevention gasbag edge vertical direction still communicates there is the filling tube, and the filling tube sets up towards fire prevention sealing strip open-ended one side, it is provided with reinforced sealed lid to correspond on the filling tube.
Through above-mentioned technical scheme, set up the filling tube, when preventing that fire door is whole not prolonged by the intensity of a fire tendril, can ensure the ability of expanding of fire prevention gasbag through adding sodium bicarbonate towards the filling tube.
Further, the lower extreme of curtain board is including the counterweight plate, the lower extreme of counterweight plate is including fire-retardant rubber layer, and the ground that the portal corresponds is seted up the confession the seal groove of fire-retardant rubber layer embedding.
Through above-mentioned technical scheme, set up fire-retardant rubber layer and seal groove, when the shutter plate of fire prevention rolling slats door put down, fire-retardant rubber layer can correspond the seal groove that imbeds ground, and the deformation that becomes through fire-retardant rubber simultaneously laminates in the tank bottom of seal groove to make the sealed effect of shutter plate and ground department better.
Compared with the prior art, the invention has the beneficial effects that:
(1) by arranging the fireproof sealing element, when the fire is close to the fireproof rolling door, the fireproof air bag is heated and expanded, so that the fireproof sealing strip is tightly attached to the end surface of the curtain plate, the sealing property between the curtain plate and the guide groove is enhanced, smoke is reduced from permeating from two sides of the rolling door, and the smoke isolation effect is enhanced;
(2) by arranging the elastic connecting part, the elastic plate is pushed by the fireproof air bag to be close to one end of the fireproof air bag, so that the included angle between the two elastic plates is enlarged, the force of the U-shaped fireproof sealing strip which is close to one side of the opening and is abutted against the curtain plate is enhanced, the sealing performance of the curtain plate and the guide groove is further enhanced, and the smoke isolating effect is better;
(3) through setting up the fire prevention sponge layer, the surface of deformation laminating curtain board can be corresponded to the fire prevention sponge layer to make holistic sealed effect stronger.
Drawings
FIG. 1 is an overall schematic view of an embodiment;
FIG. 2 is a schematic view, partly in section, of an embodiment for showing the structure within the channel;
fig. 3 is a partial structural schematic view of the embodiment, which is used for showing the structure of the fireproof sealing member.
Reference numerals: : 1. a gantry; 2. a curtain plate; 3. a reel; 5. a weight plate; 6. a flame retardant rubber layer; 7. a sealing groove; 8. a guide groove; 9. a fire-resistant seal; 91. a fire-resistant sealing strip; 92. a fire-proof air bag; 10. a fireproof sponge layer; 11. a feed tube; 12. a feeding sealing cover; 13. a discharge pipe; 14. a discharging sealing cover; 15. an elastic connection portion; 151. an elastic plate.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example (b):
the utility model provides a compound steel fire prevention rolling slats door, as shown in fig. 1, includes portal 1, curtain board 2, and portal 1 upper end is rotated and is connected with spool 3, 2 upper end fixed connection of curtain board are on spool 3, still be provided with driving motor (not shown in the figure) on the portal 1, driving motor can be arranged in portal 1 and drive spool 3 through the belt drive and rotate and be used for driving curtain board 2 and put down or pack up. The lower extreme of curtain board 2 is including counterweight 5, counterweight 5's lower extreme face is including fire-retardant rubber layer 6, and the confession is seted up on the ground that portal 1 corresponds seal groove 7 that the fire-retardant rubber layer 6 was embedded. When the curtain plate 2 of the fireproof rolling door is put down, the flame-retardant rubber layer 6 can be correspondingly embedded into the sealing groove 7 on the ground, and meanwhile, the deformation formed by the flame-retardant rubber is attached to the bottom of the sealing groove 7.
As shown in fig. 1 and 2, the door frame 1 is provided with guide grooves 8 along the vertical direction, the guide grooves 8 extend along the vertical direction, and when the curtain plate 2 is put down or put up, the guide grooves 8 are used for embedding the two ends of the curtain plate 2 in the horizontal direction and for moving and guiding. Every guide slot 8 all is provided with fire prevention sealing member 9 on the relative inside wall along vertical direction, and every fire prevention sealing member 9 all includes along vertical direction sets up in the fire prevention sealing strip 91 that the cross-section of guide slot 8 inside wall is the U-shaped setting, sets up the fire prevention gasbag 92 in fire prevention sealing strip 91U-shaped intracavity. The fireproof sealing strip 91 is a flame-retardant sealing rubber strip and is made of flame-retardant rubber. The one end that fire sealing strip 91 is close to curtain 2 is contradicted on curtain 2, and the opening orientation of fire sealing strip 91 and the face parallel arrangement of curtain 2, and the tank bottom setting that deviates from guide slot 8 in fire sealing strip 91 opening one side. The one end that fire prevention sealing strip 91 is close to curtain board 2 is still including fire prevention sponge layer 10, and fire prevention sponge layer 10 is softer, and when fire prevention sealing strip 91 supported on curtain board 2, 2 faces of curtain board unevenness usually, and fire prevention sponge layer 10 can correspond the surface of deformation laminating curtain board 2 to make holistic sealed effect stronger.
The fire protection balloon 92 is disposed in a long strip shape along the length direction of the fire protection seal strip 91. The fireproof air bag 92 is made of flame-retardant aluminum foil cloth, which is called aluminum foil glass fiber cloth, and has the characteristics of smooth and flat surface of the aluminum foil after compounding, high light reflectivity, large longitudinal and transverse tensile resistance, air impermeability, water impermeability, good sealing performance, strong weather resistance and the like by using a unique advanced compounding process. When the fire-proof air bag 92 is located in the U-shaped cavity of the fire-proof sealing strip 91, it is in a half-flat and half-bulging state, and the outer end face of the fire-proof air bag 92 is usually abutted against the inner side wall of the U-shaped cavity of the fire-proof sealing strip 91.
The top of fire prevention gasbag 92 along vertical direction still communicates has filling tube 11, and filling tube 11 sets up towards fire prevention sealing strip 91 open-ended one side, is provided with reinforced sealed lid 12 on the filling tube 11. The feed pipe 11 is communicated with a connecting ring, and the feed sealing cover 12 is connected with the connecting ring through threads and is connected with the feed pipe 11 to seal the feed pipe 11. The lower end of the fire-proof air bag 92 comprises a discharge pipe 13, the discharge pipe 13 is positioned at the bottom of the fire-proof air bag 92 and is arranged towards one side of the opening of the fire-proof sealing strip 91, and a discharge sealing cover 14 is arranged on the discharge pipe 13. The discharging pipe 13 is communicated with a mounting ring, and the discharging sealing cover 14 is connected with the discharging pipe 13 through being in threaded connection with the mounting ring and seals the discharging pipe 13. The fireproof air bag 92 is filled with sodium bicarbonate, the sodium bicarbonate can be added by opening the feeding pipe 11 in actual use, and the reacted sodium carbonate can be discharged through the discharging pipe 13.
Be connected with elastic connection portion 15 between the wall of fireproof sealing strip 91 opening one side both sides, elastic connection portion 15 deviates from the setting of conflicting on fire-resistant airbag 92 of fireproof sealing strip 91 open-ended one side. The elastic connecting portion 15 includes two elastic plates 151 that are arranged in a V-shaped splicing manner, and the two elastic plates 151 are gradually arranged close to the fire-proof airbag 92 in a direction that the two elastic plates are close to each other. The joints between the two elastic plates 151 and the joints between each elastic plate 151 and the fireproof sealing strips 91 are thinned.
When the fire bag 92 is heated and expanded, the fire bag 92 pushes against the two side walls of the fire sealing strip 91 to be away from, and the fire bag 92 pushes the elastic plate 151 to be close to one end of the fire bag 92, so that the included angle between the two elastic plates 151 is increased, and the force of the U-shaped fire sealing strip 91 which is close to the abutting curtain plate 2 on one side of the opening is strengthened. Thinning processing, when fire prevention gasbag 92 conflict elastic connection portion 15 makes two elastic plates 151 deformation, the setting of becoming thin department takes place in deformation department preferentially when making deformation for elastic resistance of two elastic plates 151 angle grow in-process is littleer, thereby makes the leakproofness that fire sealing strip 91 contradicts curtain board 2 better.
The working principle of the embodiment is as follows:
by adopting the fireproof rolling door, when a fire occurs, the curtain plate 2 of the fireproof rolling door is put down for isolation. When the intensity of a fire is close to rolling slats door one side, the interior sodium bicarbonate of fire prevention gasbag 92 can be heated and decomposed, and fire retardance can be strengthened to fire prevention gasbag 92 humidification to the water that its produced, and the carbon dioxide that produces simultaneously can make fire prevention gasbag 92 swell to make fire prevention gasbag 92 can push up the both sides wall of fire prevention sealing strip 91U-shaped and keep away from each other, because the inside wall of one of them lateral wall direct fixed connection of fire prevention sealing strip 91 in guide slot 8, another lateral wall of fire prevention sealing strip 91 is towards curtain 2 deformation under the top of fire prevention gasbag 92. Simultaneously, fire prevention gasbag 92 is heated and expands, and fire prevention gasbag 92 still can push up the one end that the elastic plate 151 is close to fire prevention gasbag 92 when touching the both sides wall of fire prevention sealing strip 91 and keeping away from on the top to make the contained angle grow between two elastic plates 151, make the fire prevention sealing strip 91 of U-shaped be close to opening one side conflict curtain board 2's power more strengthen. The two are combined, so that the fireproof sealing strips 91 are tightly attached to the end surfaces of the curtain plates 2, the sealing performance of the curtain plates 2 and the guide grooves 8 is enhanced, smoke is reduced from permeating from the two sides of the rolling door, and the smoke isolation effect is enhanced.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A composite steel fireproof rolling shutter door comprises a door frame (1) and a shutter plate (2), wherein the upper end of the door frame (1) is rotatably connected with a scroll (3), and the upper end of the shutter plate (2) is fixedly connected to the scroll (3); the method is characterized in that: portal (1) is followed the relative inboard of vertical direction and is offered guide slot (8) that supplies curtain board (2) horizontal direction both ends embedding and remove, guide slot (8) are provided with fire prevention sealing member (9) along the inside wall of vertical direction, fire prevention sealing member (9) include set up in the cross-section of guide slot (8) inside wall be fire sealing strip (91) that the U-shaped set up, set up in fire prevention gasbag (92) of fire prevention sealing strip (91) U-shaped intracavity, the opening orientation of fire prevention sealing strip (91) and the face parallel arrangement of curtain board (2), be equipped with sodium bicarbonate in fire prevention gasbag (92), the one end that fire prevention sealing strip (91) is close to curtain board (2) is contradicted on curtain board (2).
2. A composite steel fire resistant rolling shutter door according to claim 1, characterised in that: an elastic connecting part (15) is connected between two side walls at one side of the opening of the fireproof sealing strip (91), and one side of the elastic connecting part (15) departing from the opening of the fireproof sealing strip (91) is abutted against the fireproof airbag (92); the elastic connecting part (15) comprises two elastic plates (151) which are spliced in a V shape, and the two elastic plates (151) are gradually close to the fireproof airbag (92) towards the direction of mutual close.
3. A composite steel fire resistant rolling shutter door as claimed in claim 2, wherein: the connection between the two elastic plates (151) and the connection between each elastic plate (151) and the fireproof sealing strip (91) are thinned.
4. A composite steel fire resistant rolling shutter door according to claim 3, characterised in that: the fireproof sealing strip (91) is a flame-retardant sealing rubber strip.
5. A composite steel fire resistant rolling shutter door according to claim 1, characterised in that: the fireproof air bag (92) is made of flame-retardant aluminum foil cloth.
6. A composite steel fire resistant rolling shutter door as claimed in claim 2, wherein: one end of the fireproof sealing strip (91) close to the curtain board (2) further comprises a fireproof sponge layer (10).
7. A composite steel fire resistant rolling shutter door according to claim 6, characterised in that: and the two opposite inner side walls of each guide groove (8) are provided with the fireproof sealing pieces (9).
8. A composite steel fire resistant rolling shutter door as claimed in claim 2, wherein: the utility model discloses a fire prevention sealing strip, including fire prevention gasbag (92), discharge tube (13), fire prevention sealing strip (91) opening one side deviates from the tank bottom setting of guide slot (8), the lower extreme of fire prevention gasbag (92) is including discharge tube (13), discharge tube (13) are located fire prevention gasbag (92) bottom and set up towards opening one side of fire prevention sealing strip (91), correspond on discharge tube (13) and are provided with sealed lid (14) of unloading.
9. A composite steel fire resistant rolling shutter door according to claim 8, characterised in that: the top of fire prevention gasbag (92) along vertical direction still communicates filling tube (11), and filling tube (11) set up towards fire prevention sealing strip (91) open-ended one side, correspond on filling tube (11) and be provided with reinforced sealed lid (12).
10. A composite steel fire resistant rolling shutter door according to claim 1, characterised in that: the lower extreme of curtain board (2) is including counterweight plate (5), the lower extreme of counterweight plate (5) is including fire-retardant rubber layer (6), and the confession has been seted up on the ground that portal (1) corresponds seal groove (7) of fire-retardant rubber layer (6) embedding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910995547.2A CN110700746B (en) | 2019-10-18 | 2019-10-18 | Composite steel fire-proof rolling shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (6)
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| CN111677421A (en) * | 2020-04-30 | 2020-09-18 | 杭州康安消防设备有限公司 | Fireproof access door and manufacturing process thereof |
| CN111991938A (en) * | 2020-09-11 | 2020-11-27 | 林蜜 | Large-particle impurity intercepting device for high-temperature flue gas treatment |
| CN114635633A (en) * | 2022-03-22 | 2022-06-17 | 杭州华博消防设备有限公司 | Expansion sealing type movable fireproof door |
| US20220205313A1 (en) * | 2020-12-30 | 2022-06-30 | Hall Labs Llc | Seal for window covering |
| CN116565733A (en) * | 2023-05-11 | 2023-08-08 | 中国电建集团重庆工程有限公司 | Power distribution cabinet convenient to assemble and used for distributed energy storage system |
| US11952836B2 (en) | 2020-06-23 | 2024-04-09 | Chung Tai Roller Shutters Company Limited | Roller shutter |
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| CN209261448U (en) * | 2018-07-03 | 2019-08-16 | 广州蓉华门业有限公司 | A kind of steel fire-proof smoke insulation fire-fighting roller shutter |
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| JP2013023988A (en) * | 2011-07-25 | 2013-02-04 | Asahi Glass Co Ltd | Fireproof double glazing and fireproof double glazing unit |
| CN203271494U (en) * | 2013-03-30 | 2013-11-06 | 熊淑芬 | Air bag type quick air-tight door |
| CN206737749U (en) * | 2017-05-23 | 2017-12-12 | 河南辉达消防科技有限公司 | A kind of flexible fire fighting folding door mechanism based on the fire resistance fibre door curtain made of cloth |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111677421A (en) * | 2020-04-30 | 2020-09-18 | 杭州康安消防设备有限公司 | Fireproof access door and manufacturing process thereof |
| CN111677421B (en) * | 2020-04-30 | 2022-05-17 | 杭州康安消防设备有限公司 | Fireproof access door and manufacturing process thereof |
| US11952836B2 (en) | 2020-06-23 | 2024-04-09 | Chung Tai Roller Shutters Company Limited | Roller shutter |
| CN111991938A (en) * | 2020-09-11 | 2020-11-27 | 林蜜 | Large-particle impurity intercepting device for high-temperature flue gas treatment |
| US20220205313A1 (en) * | 2020-12-30 | 2022-06-30 | Hall Labs Llc | Seal for window covering |
| CN114635633A (en) * | 2022-03-22 | 2022-06-17 | 杭州华博消防设备有限公司 | Expansion sealing type movable fireproof door |
| CN114635633B (en) * | 2022-03-22 | 2024-03-29 | 杭州华博消防设备有限公司 | Expansion sealing type movable fireproof door |
| CN116565733A (en) * | 2023-05-11 | 2023-08-08 | 中国电建集团重庆工程有限公司 | Power distribution cabinet convenient to assemble and used for distributed energy storage system |
| CN116565733B (en) * | 2023-05-11 | 2024-04-02 | 中国电建集团重庆工程有限公司 | Power distribution cabinet convenient to assemble and used for distributed energy storage system |
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| CN110700746B (en) | 2020-07-10 |
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