CN112814550A - Double-track folding type fireproof rolling shutter door - Google Patents
Double-track folding type fireproof rolling shutter door Download PDFInfo
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- CN112814550A CN112814550A CN202110010534.2A CN202110010534A CN112814550A CN 112814550 A CN112814550 A CN 112814550A CN 202110010534 A CN202110010534 A CN 202110010534A CN 112814550 A CN112814550 A CN 112814550A
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- plate
- rolling door
- double
- guide rail
- seat plate
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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
- E06B9/11—Roller shutters
- E06B9/13—Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
-
- 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
- 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
- E06B9/11—Roller shutters
- E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
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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
- E06B9/11—Roller shutters
- E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
- E06B9/17046—Bottom bars
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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
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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
- E06B9/581—Means to prevent or induce disengagement of shutter from side rails
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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
- E06B9/11—Roller shutters
- E06B9/13—Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
- E06B2009/135—Horizontal shutter reinforcements
-
- 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
- E06B2009/585—Emergency release to prevent damage of shutter or guiding device
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Special Wing (AREA)
Abstract
A double-track folding type fireproof rolling door belongs to the technical field of rolling doors, and is characterized in that a stress relief reinforcing rib structure body is arranged in a plate wall of a seat plate, and stress relief reinforcing rib structure bodies are also arranged in a forming clamp plate and in groove walls on two sides of a guide rail; convex strips are arranged on the inner sides of the outer groove wall and the inner side wall of the guide rail; meanwhile, bulges are arranged on two sides of the bottom plate of the seat plate, and the raised strips and the bulges are combined to form an anti-derailing structure; the double-track folding type fireproof rolling door has the advantages that the stress relief reinforcing rib structure bodies are arranged in the seat plate, the forming clamping plate and the guide rail in the double-track folding type fireproof rolling door, so that the seat plate and the forming clamping plate can be effectively prevented from being bent and deformed when being impacted, and the guide rail can be prevented from being deformed; the raised strips are arranged in the guide rails, the bulges are arranged on the seat plate and the forming clamping plates, and the joint structure can effectively prevent the seat plate and the forming clamping plates from derailing, so that the curtain surface is prevented from derailing on the whole, and the fireproof quality and effect of the roller shutter door are effectively improved.
Description
Technical Field
The invention belongs to the technical field of rolling doors, and particularly relates to a double-track folding type fireproof rolling door.
Background
Compared with the common rolling door, the fire-proof rolling door has higher fire-proof requirement, and is required to meet the fire-proof grade requirement of the national standard, products with different shapes and colors are generated in order to achieve the fire-proof requirement of related grade, and the rolling doors are more popular, such as an aerosol fire-proof rolling door, an evaporative fire-proof rolling door, a double-rail double-curtain inorganic fire-proof rolling door, a water service type fire-proof rolling door and the like, have various characteristics, and can generally achieve the fire-proof requirement of 3 hours.
However, the existing double-track double-curtain inorganic fireproof rolling door also has many problems, such as the guide rail is easy to deform due to impact, and the lifting of the rolling door is influenced; the forming clamp plate on the curtain surface, particularly the base, is easy to deform due to impact and even derail, and the fireproof effect is seriously influenced.
Patent document CN 109138815a discloses a double-track inorganic folding fireproof rolling shutter door, which has a cavity in the device body, a through groove is provided in the inner bottom wall of the cavity, the left and right sides of the device body are fixedly connected with a wall, two sets of symmetrical first thread grooves are provided in the inner side wall of the cavity, and the number of the first thread grooves in each set is two.
This inorganic folding fire prevention rolling slats door of double track has reached the effect that this inorganic folding fire prevention rolling slats door of double track goes up and down simultaneously. Patent document CN205277253U discloses a double-rail foldable fire-proof rolling shutter, in which two guide rails are installed on each side of the door frame, the guide rails on both sides of the door frame are correspondingly arranged, a rolling shutter is connected between the two guide rails correspondingly arranged in a sliding fit manner, and each rolling shutter is clamped and fixed by a set of clamping plates; the heat insulation effect is good, and the water pump pumps water to cool the roller shutter and extinguish fire around the roller shutter. However, these technical documents do not solve the problem that the base or the molded splint is easily deformed by impact and even derailed.
Disclosure of Invention
The invention aims to solve the technical problem that the existing double-track folding type fireproof rolling door is insufficient in technology, a force-releasing reinforcing rib structure is adopted to reinforce a guide rail, a forming clamping plate and a base, and a combined structure of the guide rail and the base which are combined in a concave-convex mode is adopted, so that the guide rail, the forming clamping plate and the base are prevented from deforming, and the guide rail and the base are prevented from derailing, so that the quality is improved, and the purpose of effective fire prevention is achieved.
In order to solve the technical problem, the invention adopts the technical scheme that the double-track folding type fireproof rolling door,
the curtain surface fixing device comprises a curtain surface, a guide rail, a scroll, a fireproof door rolling machine, a fireproof door rolling controller, a curtain surface fixing forming clamping plate and a seat plate, wherein the seat plate is a right-angle seat plate and comprises a plate bottom and a plate wall vertically generated at the outer side of the plate bottom, and the fireproof door rolling device is characterized in that a stress relief reinforcing rib structure body is arranged in the plate wall of the seat plate and consists of a plurality of semicircular strip-shaped reinforcing ribs, the cross sections of the semicircular strip-shaped reinforcing ribs are semicircular, the surfaces with the diameters of the semicircular strip-shaped reinforcing ribs are called diameter surfaces, the surfaces with the circular arcs are called circular arc surfaces, the diameter surfaces of the semicircular strip-shaped reinforcing ribs are flush and closely arranged to form two rows of reinforcing rib slats, then the plurality of circular arc surfaces on two reinforcing rib slats are mutually dislocated and closely attached, namely one circular arc surface on one reinforcing, all the arc surfaces are mutually staggered and tightly attached to form a stress relief reinforcing rib structure; meanwhile, the interior of the plate wall of the seat plate is arranged into a hollow cuboid cavity, one side, close to the plate bottom, of the cuboid cavity is called an inner side wall, one side, far away from the plate bottom, of the cuboid cavity is called an outer side wall, then the stress relief reinforcing rib structure body is arranged in the cuboid cavity, the diameter surface of one side of the stress relief reinforcing rib structure body is tightly attached to the inner side wall, and the diameter surface of the other side of the stress relief reinforcing rib structure body is tightly; namely, the stress relief reinforcing rib structure is arranged in the plate wall. The impact that the siding wall of this kind of structure can effectively disperse received, when the siding wall receives the impact, the impact can decompose the decomposition effort that becomes two directions on the strengthening rib in the outside behind the lateral wall, then conduct on the strengthening rib of inboard through the arc surface, then be radially on the strengthening rib in the inboard and be on dispersion effort conducts the inside wall, the impact just so is decomposed into the dispersion effort that the effort significantly reduced and the lifting surface on the inside wall has greatly increased, can effectively prevent to warp, can be with the striking holding capacity of greatly increased siding wall.
Furthermore, a force-releasing reinforcing rib structure body is also arranged in the forming clamping plate.
Furthermore, force-releasing reinforcing rib structures are also arranged in the groove walls on the two sides of the guide rail; the existing guide rail is made of cold-rolled steel plates, and has the structure that an outer groove wall, a groove bottom and an inner groove wall are sequentially connected in a right-angle mode or directly generated, and a smoke-proof device is arranged on one side of a fire-receiving surface, namely an inner cavity of the outer groove wall; the smoke-proof device is characterized in that a flame-retardant plastic expansion composite sealing strip is arranged in an inner cavity of the outer groove wall; on the basis, the smoke-proof device moves towards the bottom of the groove, namely, a cuboid cavity is additionally arranged above the smoke-proof device in the inner cavity of the outer groove wall, and a force-releasing reinforcing rib structure body is arranged in the cuboid cavity, so that the impact bearing capacity of the outer groove wall can be greatly increased.
In addition, the inner groove wall of the guide rail is lengthened to be as high as the outer groove wall; the outer groove wall height of the existing double-rail fireproof rolling door is generally twice as high as that of the inner groove wall, and the double-rail fireproof rolling door has the disadvantages that the impact direction of the existing rolling door is generally from outside to inside, when the impact force is strong enough, the seat plate for supporting the rolling door and the forming clamp plate can be elastically bent inwards, and the seat plate or the forming clamp plate is easy to derail due to the fact that the height of the inner groove wall is lower, and therefore, the inner groove wall is lengthened to form the opportunity that the seat plate and the forming clamp plate can be greatly reduced to derail with the same height as the.
Furthermore, raised lines are arranged below the smoke prevention device on the inner sides of the outer groove wall and the inner side wall of the guide rail; and meanwhile, bulges are arranged on two sides of the edge end part of the seat board, and after the seat board is installed in the guide rail, the raised lines and the bulges are combined to form an anti-derailing structure.
Furthermore, the two sides of the end edge parts at the two ends of the forming clamping plate are also provided with bulges, and after the forming clamping plate arranged on the rolling door is assembled in the guide rail, the raised strips and the bulges are combined to form an anti-derailing structure.
Compared with the prior art, the invention has the following beneficial effects:
the novel double-rail folding type fireproof rolling door has the advantages that the force-releasing reinforcing rib structure bodies are arranged in the seat plate, the forming clamping plates and the guide rail in the double-rail folding type fireproof rolling door, so that the received impact force can be dispersed, the seat plate and the forming clamping plates are effectively prevented from being bent and deformed when being impacted, and the guide rail is also prevented from being deformed when being impacted.
The sand grip is arranged in the guide rail, the bulges are arranged on the seat plate and the forming clamp plate, the combined structure of the sand grip and the forming clamp plate forms an anti-derailing structure, and the seat plate and the forming clamp plate can be effectively prevented from derailing.
The characteristics of dispersible impact force of the stress relief reinforcing rib structure and derailment prevention of the seat plate and the formed clamp plate by the derailment prevention structure
The characteristic is that the derailment of the curtain surface can be prevented in a synergic manner on the whole, and the fireproof quality and effect of the rolling door are effectively improved.
Drawings
Fig. 1 is a schematic view of the general assembly structure of the double-track folding type fire-proof rolling door of the invention.
FIG. 2 is a schematic structural diagram of the inventive force-releasing reinforcing rib structure and its constituent parts, semi-circular strip-shaped reinforcing rib and reinforcing rib slat.
FIG. 3 is a schematic structural diagram showing the structural relationship between the rectangular parallelepiped cavity and the rib structure in the seat plate and the plate wall thereof.
Fig. 4 is a structural diagram for resolving and dissipating force when the panel wall is subjected to impact force.
Fig. 5 is a schematic cross-sectional view of the AA line section in fig. 1, that is, a structural view of the guide rail with the run-off reinforcement structure and the anti-derailing structure. .
In the figure: 1. curtain surface, 2 guide rail, 3 rolling shaft, 5 fire-proof door rolling machine, 6 fire-proof rolling curtain controller, 7 forming clamp plate,
8. The structure comprises a base plate, 9, a plate bottom, 10, a plate wall, 11, a force-releasing reinforcing rib structure body, 12, a semicircular strip-shaped reinforcing rib, 13, a diameter surface and 14.
The anti-derailing structure comprises an arc surface, 15 reinforcing rib strips, 16 cuboid cavities, 17 inner side walls, 18 outer side walls, 19 impact force, 20 decomposition acting force, 21 dispersion acting force, 22 outer groove walls, 23 groove bottoms, 24 inner groove walls, 25 anti-smoke devices, 26 convex strips, 27 protrusions and 28 anti-derailing structures; 111. the longitudinal section of the force-releasing reinforcing rib structure body in the outer groove wall and the inner groove wall in the guide rail groove, 112, the transverse section of the force-releasing reinforcing rib structure body in the upper plate wall of the seat plate.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to illustrate the invention but not to limit it further, and should not be construed as limiting the scope of the invention.
Example 1.
As shown in fig. 1, 2 and 3, a double-track folding fire-proof rolling shutter door is manufactured, which comprises a curtain surface 1, a guide rail 2, a scroll 3, a fire-proof rolling shutter door machine 5, a fire-proof rolling shutter controller 6, a forming clamp plate 7 for fixing the curtain surface 1, and a seat plate 8, wherein the seat plate 8 is an angle steel seat plate, and comprises a plate bottom 9 and a plate wall 10 vertically formed outside the plate bottom, in the embodiment, a stress relief reinforcing rib structure 11 is arranged in the plate wall 10 of the seat plate 8, the stress relief reinforcing rib structure 11 is composed of a plurality of semicircular strip-shaped reinforcing ribs 12, the cross sections of the semicircular strip-shaped reinforcing ribs 12 are semicircular, the surfaces with diameters are called diameter surfaces 13, the surfaces with arcs are called arc surfaces 14, the diameter surfaces 13 of the plurality of the semicircular strip-shaped reinforcing ribs 12 are flush and closely arranged to form reinforcing rib laths 15, two rows of the reinforcing rib laths 15 are manufactured, then the arc surfaces 14 on, namely, one arc surface 14 on one reinforcing rib strip plate 15 is attached to a gap between two adjacent arc surfaces 14 on the other reinforcing rib strip plate 15 in a staggered manner, so that all the arc surfaces 14 are attached to each other in a staggered manner, and a stress relief reinforcing rib structure 11 is formed; simultaneously will the inside hollow cuboid cavity 16 that sets up of the stave 10 of bedplate 8 in the cuboid cavity 16, the one side that is close to the board end 9 is called the inside wall 17, and the one side of keeping away from the board end 9 is called the lateral wall 18, then install the leakage force strengthening rib structure 11 in cuboid cavity 16 to make the diameter face in a row of one side of leakage force strengthening rib structure 11 hug closely inside wall 17, the lateral wall 18 is hugged closely to the diameter face in a row of the opposite side, makes the bedplate that can bear powerful impact force promptly. The double-track folding type fireproof rolling door made of the seat plate can effectively prevent bending and derailing.
The seat plate wall 10 of this structure can effectively disperse the impact force 19. When the panel wall 10 is subjected to impact forces 19 of three types as shown in fig. 4, the conditions from top to bottom are: firstly, when the impact force 19 is aligned with the contact position of the two semicircular strip-shaped reinforcing ribs 12, the impact force 19 is divided into four decomposition acting forces 20 and is dispersed into a plurality of dispersion acting forces 21; when the impact force 19 is aligned with any position of one semicircular strip-shaped reinforcing rib 12, the impact force 19 can be decomposed into two decomposition acting forces 20, and the two decomposition acting forces are dispersed into a plurality of dispersion acting forces 21; particularly, when the impact force 19 is aligned with the center of the semicircular bar-shaped reinforcing ribs 12, the impact force 19 is uniformly decomposed into two decomposition acting forces 20, and is dispersed into a plurality of dispersion acting forces 21. Thus, when the panel wall 10 receives the impact force 19, the impact force 19 is decomposed into decomposition acting forces 20 in two directions or four directions on the reinforcing ribs 12 on the outer side after passing through the outer side wall 18, then is transmitted to the reinforcing ribs 12 on the inner side through the arc surface 14, and then is radially transmitted to the inner side wall 17 as the dispersion acting force 21 on the reinforcing ribs 12 on the inner side, so that the impact force 19 is decomposed into the dispersion acting force 21 with the acting force greatly reduced, the force bearing area on the inner side wall 17 is greatly increased, the deformation can be effectively prevented, and the impact bearing force of the panel wall 10 can be greatly increased.
Example 2.
Further, in addition to example 1, the rib structures 11 were provided in the mold cramp 7.
Example 3.
Further, as shown in fig. 5, in addition to embodiment 1 or embodiment 2, the rib structures 11 are provided in the outer groove wall and the inner groove wall 22 on both sides of the guide rail 2. The existing guide rail 2 is made of cold-rolled steel plates, and has the structure that an outer groove wall 22, a groove bottom 23 and an inner groove wall 24 are sequentially connected in a right-angle mode or directly generated, and a smoke prevention device 25 is arranged on one side of a fire-receiving surface, namely an inner cavity of the outer groove wall 22; the smoke-proof device 25 is a flame-retardant plastic expansion composite sealing strip arranged in the inner cavity of the outer groove wall 22; on the basis, the smoke protection device 25 is respectively arranged in the inner cavities of the outer groove wall 22 and the inner side wall 24 and moves towards the groove bottom 23, namely, the cuboid cavity 16 is additionally arranged above the smoke protection device 25 in the inner cavities of the outer groove wall 22 and the inner groove wall 24, and the force-releasing reinforcing rib structure body 11 is arranged in the cuboid cavity 16, so that the impact bearing capacity of the outer groove wall 22 and the inner groove wall 24 can be greatly increased.
Example 4.
In addition, in the above embodiments, the inner groove wall 24 of the guide rail 2 is extended to be in contact with the outer groove wall 22
The same height. The height of the outer groove wall 22 of the existing double-rail fireproof rolling door is generally twice that of the inner groove wall 24, and the disadvantage is that the impact direction to the rolling door is generally from outside to inside, when the impact force is strong enough, the seat plate 8 and the forming clamp plate 7 which support the rolling door can be elastically bent inwards, and the seat plate 2 or the forming clamp plate 7 is easy to derail due to the lower height of the inner groove wall 24, therefore, the inner groove wall 24 is lengthened to be made into the height which is the same as that of the outer groove wall 22, so that the probability of derailing of the seat plate 8 and the forming clamp plate 7 can be greatly reduced.
Example 5.
Further, as shown in fig. 5, in addition to the above embodiments, a convex strip 26 is provided below the smoke prevention device 25 on the inner side of the outer groove wall 22 and the inner side wall 24 of the guide rail 2; meanwhile, the two sides of the end edge parts of the two ends of the seat board 8 are provided with protrusions 27, and after the seat board 8 is assembled in the guide rail 2, the convex strips 26 and the protrusions 27 are combined to form an anti-derailing structure. The seat plate 8 is difficult to be removed from the guide rail 2.
Furthermore, the two side edges of the end edge parts of the two ends of the molding splint 7 can also be provided with bulges 27,
when the profiled clamp 7 mounted on the shutter is mounted in the guide 2, the ribs 26 and the protrusions 27 cooperate to form an anti-derailing structure, which further stabilizes the shutter.
Claims (6)
1. A double-track folding type fireproof rolling door comprises a curtain face, a guide rail, a scroll, a fireproof rolling door machine, a fireproof rolling door controller, a forming clamp plate for fixing the curtain face and a seat plate, wherein the seat plate is a right-angle seat plate and comprises a plate bottom and a plate wall vertically generated at the outer side of the plate bottom; simultaneously will the inside hollow cuboid cavity that sets up of siding of bedplate in the cuboid cavity, the one side that is close to at the bottom of the board is called the inside wall, and the one side of keeping away from at the bottom of the board is called the lateral wall, then will discharge the power strengthening rib structure and install in the cuboid cavity to make one side diameter face of the power strengthening rib structure hug closely the inside wall, the lateral wall is hugged closely to opposite side diameter face.
2. The double track folding fire resistant rolling door as claimed in claim 1, wherein a force relief reinforcing rib structure is provided in the molding splint.
3. The double-track folding fire-resistant rolling door according to claim 1 or 2, wherein a force-releasing reinforcing rib structure is provided in both side groove walls of the guide rail.
4. The dual track folding fire resistant rolling door as claimed in claim 3, wherein the inner and outer groove walls of the guide rail are formed to have the same height.
5. The double-track folding fire-resistant rolling door as claimed in any one of claims 1 to 4, wherein ribs are provided below the smoke-proofing means on the inner sides of the outer and inner walls of the guide track; meanwhile, bulges are arranged on two sides of the end edge part of the seat board, and after the seat board is installed in the guide rail, the raised lines and the bulges are combined to form an anti-derailing structure.
6. The double-track folding fire-resistant rolling door as claimed in claim 5, wherein the forming clip is provided with protrusions on both sides of the end edge portion thereof, and when the forming clip mounted on the rolling door is mounted in the guide rail, the protrusions and the protrusions are combined to form an anti-derailing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010534.2A CN112814550B (en) | 2021-01-06 | 2021-01-06 | Double-track folding type fireproof rolling shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010534.2A CN112814550B (en) | 2021-01-06 | 2021-01-06 | Double-track folding type fireproof rolling shutter door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112814550A true CN112814550A (en) | 2021-05-18 |
| CN112814550B CN112814550B (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110010534.2A Active CN112814550B (en) | 2021-01-06 | 2021-01-06 | Double-track folding type fireproof rolling shutter door |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561916A (en) * | 2010-12-10 | 2012-07-11 | 上海利富高塑料制品有限公司 | Roller shutter door |
| CN104847247A (en) * | 2015-05-25 | 2015-08-19 | 湖州鸿远电机有限公司 | Quick door |
| JP2016094708A (en) * | 2014-11-12 | 2016-05-26 | 文化シヤッター株式会社 | Airtight structure of shutter device |
| CN206539288U (en) * | 2016-12-30 | 2017-10-03 | 漳州闳星门业有限公司 | A kind of anti-rolling curtain door mechanism pried open |
| CN110185376A (en) * | 2019-07-05 | 2019-08-30 | 广东永祥福安防科技有限公司 | A kind of anti-gate detaching structure of electric rolling gate |
| CN210195631U (en) * | 2019-05-10 | 2020-03-27 | 上海呈翔金属制品有限公司 | Improved generation fire prevention rolling slats door |
-
2021
- 2021-01-06 CN CN202110010534.2A patent/CN112814550B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561916A (en) * | 2010-12-10 | 2012-07-11 | 上海利富高塑料制品有限公司 | Roller shutter door |
| JP2016094708A (en) * | 2014-11-12 | 2016-05-26 | 文化シヤッター株式会社 | Airtight structure of shutter device |
| CN104847247A (en) * | 2015-05-25 | 2015-08-19 | 湖州鸿远电机有限公司 | Quick door |
| CN206539288U (en) * | 2016-12-30 | 2017-10-03 | 漳州闳星门业有限公司 | A kind of anti-rolling curtain door mechanism pried open |
| CN210195631U (en) * | 2019-05-10 | 2020-03-27 | 上海呈翔金属制品有限公司 | Improved generation fire prevention rolling slats door |
| CN110185376A (en) * | 2019-07-05 | 2019-08-30 | 广东永祥福安防科技有限公司 | A kind of anti-gate detaching structure of electric rolling gate |
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| Publication number | Publication date |
|---|---|
| CN112814550B (en) | 2022-11-18 |
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