CN215369561U

CN215369561U - Double-deck fire prevention rolling slats door

Info

Publication number: CN215369561U
Application number: CN202121875114.2U
Authority: CN
Inventors: 林小江; 邓晓华; 池小辉; 林志猛
Original assignee: Fujian Fuqu Construction Engineering Co ltd
Current assignee: Fujian Fuqu Construction Engineering Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2021-12-31
Anticipated expiration: 2031-08-11

Abstract

The application discloses double-deck fire prevention rolling slats door, including first rolling slats door device, second rolling slats door device, transmission and cooling device, first rolling slats door device includes first spool, first fire prevention curtain and first guide rail, first fire prevention curtain one end is fixed on first spool, the both sides limit sliding connection of first fire prevention curtain is on first guide rail, second rolling slats door device includes the second spool, second fire prevention curtain and second guide rail, second fire prevention curtain one end is fixed on first spool, the both sides limit sliding connection of second fire prevention curtain is on the second guide rail, first guide rail and second guide rail are parallel arrangement in vertical direction, transmission drives first spool and second spool simultaneously and rotates, cooling device is located between first guide rail and the second guide rail. This application has thermal-insulated, separates the fire effect, and can prolong the life's of rolling slats door effect.

Description

Double-deck fire prevention rolling slats door

Technical Field

The application relates to the technical field of rolling slats doors, in particular to a double-layer fireproof rolling slat door.

Background

The fire-proof rolling shutter door is a fire-proof and heat-insulating facility suitable for large opening of building, and its rolling shutter door can be lifted up and down by means of driving device and control system, so that it can possess the functions of fire-proofing and isolating, can effectively prevent fire from spreading and can ensure safety of life and property.

At present, the fire-proof rolling shutter door is fixed on the fire-proof curtain on the scroll and two sets of guide rails fixed on the door opening through the scroll, one end of the scroll is fixed with a driving motor, and the driving motor drives the scroll to rotate, so that the fire-proof curtain is driven to be rolled and unreeled.

However, when a fire occurs, the fire-proof curtain is burned by fire, the temperature of the fire-proof curtain increases, and the fire-proof curtain is easily deformed or damaged, so that the fire-proof performance thereof is deteriorated, and thus improvement is required.

SUMMERY OF THE UTILITY MODEL

In order to prolong the life of fire prevention curtain, the application provides a double-deck fire prevention rolling slats door.

A double-layer fireproof rolling door adopts the following technical scheme: including first roller shutter door device, second roller shutter door device, transmission and cooling device, first roller shutter door device includes first spool, first fire prevention curtain and first guide rail, first fire prevention curtain one end is fixed on first spool, the both sides limit sliding connection of first fire prevention curtain is on first guide rail, second roller shutter door device includes second spool, second fire prevention curtain and second guide rail, second fire prevention curtain one end is fixed on first spool, the both sides limit sliding connection of second fire prevention curtain is on the second guide rail, first guide rail and second guide rail are at vertical direction upward parallel arrangement, form the cooling chamber between first fire prevention curtain and the second fire prevention curtain, transmission drives first spool and second spool simultaneously and rotates, cooling device is located between first guide rail and the second guide rail.

By adopting the first rolling shutter door device and the second rolling shutter door device, when a fire disaster occurs, the first fireproof curtain and the second fireproof curtain have a double-layer isolation effect, so that the probability of the fire spreading indoors can be further reduced; and first fire prevention curtain and second fire prevention curtain form double-deck fire prevention curtain structure, and cooling device between the double-deck fire prevention curtain can cool off first fire prevention curtain and second fire prevention curtain to reduce the temperature when the fire prevention curtain receives flame to roast, reduce the risk that the fire prevention curtain takes place to warp or damage, ensure the performance of fire prevention curtain, prolong the life of fire prevention curtain.

Furthermore, transmission includes driving motor, driving gear, first follow driving wheel and second follow driving wheel, the driving gear is connected with driving motor's motor shaft fixed, first follow driving wheel is fixed on first spool and is set up with first spool is coaxial, the second is fixed on the second spool and is set up with the second spool is coaxial from the driving gear meshing, the second is followed driving gear and is meshed with the driving gear.

Through the driving gear, firstly from the cooperation of driving wheel and second driven wheel, driving motor can drive first spool and second spool simultaneously and rotate, and the energy consumption is low, need not separately to operate first roller shutter door gear and second roller shutter door gear moreover, and first fire prevention curtain and second fire prevention curtain can be rolled up simultaneously or unreel, then can play the effect of fire prevention, thermal-insulated simultaneously, easy operation, convenient.

Further, be provided with between first spool and the second spool and compress tightly the subassembly, it includes fixed axle, first spring, second spring, first backup pad and second backup pad to compress tightly the subassembly, the fixed axle is located between first spool and the second spool, first spring coupling fixed axle and first backup pad, a side and first fire curtain looks butt of first spring are kept away from to first backup pad, second spring coupling fixed axle and second backup pad, a side and second fire curtain looks butt of second spring are kept away from to the second backup pad.

When first fire prevention curtain and the rolling of second fire prevention curtain, first backup pad and second backup pad can with first fire prevention curtain and the contact of second fire prevention curtain that correspond to compress tightly first fire prevention curtain and second fire prevention curtain respectively to the axle center of first spool and second spool, reduce the rolling and unreel the in-process and take place the risk that the loose trigger that causes of fire prevention curtain breaks, ensure rolling work and unreel the smooth completion of work.

Furthermore, the side of first spring is kept away from to first backup pad is the arc form setting, the side of second spring is kept away from to the second backup pad is the arc form setting.

Adopt first backup pad and the second backup pad of arc form to correspond with the first fire prevention curtain and the second fire prevention curtain of rolling respectively, improve area of contact between first backup pad and first fire prevention curtain, second backup pad and the second fire prevention curtain, compress tightly effectually.

Furthermore, the axle center of the first reel and the axle center of the second reel are positioned on the same horizontal line, and the first reel and the second reel are symmetrically arranged relative to the fixed shaft.

Through adopting above-mentioned technical scheme, first spool is unanimous to the horizontal distance of fixed axle and second spool to fixed axle, and first fire prevention curtain is unanimous with the distance of rolling unreeling with the second fire prevention curtain, is favorable to the first fire prevention curtain and the second fire prevention curtain rolling and the synchronization of unreeling.

Further, cooling device includes the water pipe, the water pipe is located between first spool and the second spool, be provided with first water jet and second water jet on the water pipe, first water jet and second water jet are provided with a plurality ofly respectively, and each the length direction evenly distributed of water pipe is followed to first water jet, each the length direction evenly distributed of water pipe is followed to the second water jet, first water jet and second water jet set up respectively in the both sides of water pipe, and the injection direction of first water jet and second water jet all slopes downwards.

Can spray cooling water on first fire prevention curtain and the second fire prevention curtain through first water jet and second water jet, again along first fire prevention curtain and the downward flow of second fire prevention curtain to carry out cooling on a larger scale to first fire prevention curtain and second fire prevention curtain, promote cooling effect, reduce the influence that high temperature caused first fire prevention curtain or second fire prevention curtain.

Further, still include the fire prevention sealing member, the one end that first fire prevention curtain kept away from first spool and the one end that the second fire prevention curtain kept away from the second spool are connected to fire prevention sealing member fixed connection.

The fire-proof sealing element not only can play the effect between sealed fire curtain bottom and the ground, reduces the risk that the flame stretchs to indoor from the gap between fire curtain bottom and the ground, has strengthened the stability of being connected between first fire curtain and the second fire curtain owing to fire-proof sealing element has connected the bottom of first fire curtain and second fire curtain moreover for the synchronism of first fire curtain and second fire curtain is better.

Furthermore, a water outlet is formed in the fireproof sealing piece, and the end parts of the two ends of the water outlet are respectively located on the side face of the fireproof sealing piece and in the cooling cavity.

The delivery port is used for discharging the cooling water in the cooling cavity, and the cooling water can play the effect of putting out a fire after being discharged from the delivery port, thereby reducing the fire behavior of one side of the first fireproof curtain or the second fireproof curtain back to the back.

To sum up, through the double-deck fire prevention curtain structure that first fire prevention curtain and second fire prevention curtain are constituteed, not only keep apart the flame, thermal-insulated effectual, moreover cooling device between first fire prevention curtain and second fire prevention curtain can be in step when the conflagration breaks out to first fire prevention curtain and second fire prevention curtain cool off, reduce the influence that flame broke and cause first fire prevention curtain and second fire prevention curtain, further prolong the life of first fire prevention curtain and second fire prevention curtain.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is a schematic view of the first and second roller shutter door assemblies of the embodiment of the present application;

fig. 4 is a schematic structural diagram of a pressing assembly in an embodiment of the present application.

Reference numerals: 1. a first roller shutter door assembly; 11. a first reel; 12. a first fire curtain; 13. a first guide rail; 2. a second roller shutter device; 21. a second reel; 22. a second fire curtain; 23. a second guide rail; 3. a transmission device; 31. a drive motor; 32. a driving gear; 33. a first driven wheel; 34. a second driven wheel; 4. a cooling device; 41. a cooling chamber; 42. a water pipe; 43. a first water jet; 44. a second water jet; 45. a fire-resistant seal; 46. a water outlet; 5. a compression assembly; 51. a fixed shaft; 52. a first spring; 53. a second spring; 54. a first support plate; 55. a second support plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a double-layer fireproof rolling door, which combines the figures 1 and 2 and comprises a first rolling door device 1 and a second rolling door device 2 for playing the functions of heat insulation and fire insulation, a transmission device 3 for playing the function of driving and a cooling device 4 for playing the cooling effect.

Referring to fig. 3, the first shutter door apparatus 1 includes a first reel 11, a first fire retardant curtain 12, and a first guide rail 13. Wherein, 11 levels of first spool set up, and the both ends of first spool 11 are all rotated and are connected on the door opening, on first spool 11 is fixed to the one end of first fire prevention curtain 12, and first fire prevention curtain 12 is around establishing on first spool 11, and first guide rail 13 is vertical to be fixed on the door opening, and first guide rail 13 is provided with two, and two first guide rails 13 set up about the central line axial symmetry of first spool 11, and two sides of first fire prevention curtain 12 slide respectively and connect on two first guide rails 13.

The second roller shutter door apparatus 2 includes a second roller 21, a second fire shutter 22, and a second rail 23. Wherein, second reel 21 level sets up, and the both ends of second reel 21 are all rotated and are connected on the door opening, the one end of second fire prevention curtain 22 is fixed on second reel 21, and second fire prevention curtain 22 is around establishing on second reel 21, second guide rail 23 is provided with two, and two equal vertical fixes on the door opening of second guide rail 23, two first guide rails 13 set up about the central line axial symmetry of second reel 21, second guide rail 23 and first guide rail 13 parallel arrangement, two sides of second fire prevention curtain 22 slide respectively and connect on two second guide rails 23.

The transmission 3 includes a drive motor 31, a drive gear 32, a first driven gear 33, and a second driven gear 34. The central axes of the first reel 11 and the second reel 21 are on the same horizontal plane, and the diameters of the first reel 11 and the second reel 21 are consistent. The first driven wheel 33 is fixed at one end of the first reel 11 and coaxially arranged with the first reel 11, the first driven wheel 33 rotates together with the first reel 11, the second driven wheel 34 is fixed at one end of the second reel 21 and coaxially arranged with the second reel 21, and the second driven wheel 34 and the second reel 21 rotate together.

The driving gear 32 is fixed on a motor shaft of the driving motor 31, the first driven pulley 33 and the second driven pulley 34 are respectively located at two sides of the driving gear 32, and the first driven pulley 33 and the second driven pulley 34 are respectively engaged with the driving gear 32. The driving motor 31 drives the driving gear 32 to rotate, which drives the first driven wheel 33 and the second driven wheel 34 to rotate, and further drives the first winding shaft 11 and the second winding shaft 21 to rotate, thereby completing the winding and unwinding operations of the first fire curtain 12 and the second fire curtain 22. The first fireproof curtain 12 and the second fireproof curtain 22 are simultaneously driven to unreel and roll by the driving motor 31, so that the operation is simple and convenient, and the energy consumption is low.

The first fireproof curtain 12 and the second fireproof curtain 22 form a double-layer rolling door structure, so that the time for the flame to spread indoors is prolonged, and better heat insulation and fire isolation effects can be achieved.

A cooling chamber 41 is formed between first fire curtain 12 and second fire curtain 22, and cooling device 4 is located within cooling chamber 41.

The cooling device 4 comprises a water pipe 42, the water pipe 42 is positioned between the first reel 11 and the second reel 21, and the water pipe 42 is parallel to the first reel 11. A plurality of first water jet ports 43 and a plurality of second water jet ports 44 are respectively provided on both sides of the water pipe 42, the first water jet ports 43 are uniformly distributed along the longitudinal direction of the water pipe 42, the second water jet ports 44 are uniformly distributed along the longitudinal direction of the water pipe 42, and the first water jet ports 43 and the second water jet ports 44 can jet the cooling water in the water pipe 42 to both sides.

The spraying directions of the first water spraying opening 43 and the second water spraying opening 44 are both arranged obliquely downwards, that is, the first water spraying opening 43 and the second water spraying opening 44 can spray cooling water in the water pipe 42 towards the first fire protection curtain 12 and the second fire protection curtain 22, and the cooling water spreads downwards along the first fire protection curtain 12 and the second fire protection curtain 22, so that the first fire protection curtain 12 and the second fire protection curtain 22 are cooled, the influence of flame or high temperature on the first fire protection curtain 12 and the second fire protection curtain 22 is reduced, and the service life of the first fire protection curtain 12 and the second fire protection curtain 22 is prolonged.

Referring to fig. 2 and 3, a fire-resistant seal 45 is disposed at the bottom of first fire curtain 12 and second fire curtain 22, and fire-resistant seal 45 is made of graphite material. Fire-proof sealing member 45 adopts the bonding or adopts the nail to fix in the bottom of first fire curtain 12 and second fire curtain 22, unreels the back when first fire curtain 12 and second fire curtain 22, and fire-proof sealing member 45 can contact with ground to play sealed and fire-proof effect, reduce the risk that the flame stretchs to indoor from the gap between fire curtain bottom and the ground.

A water outlet 46 is arranged in the fireproof sealing piece 45, the water outlet 46 is L-shaped or inclined, one end of the water outlet 46 is communicated with the cooling cavity 41, and the other end of the water outlet is communicated with the side surface of the fireproof sealing piece 45. After first water jet 43 and second water jet 44 spray cooling chamber 41 in, can flow out to one side that first fire prevention curtain 12 kept away from second fire prevention curtain 22 or one side that first fire prevention curtain 12 kept away from second fire prevention curtain 22 is kept away from to second fire prevention curtain 22 along with delivery port 46, certain fire extinguishing effect can be played to the exhaust cooling water to alleviate the intensity of a fire.

Referring to fig. 4, a pressing assembly 5 for assisting in winding and unwinding the first and

second fire curtains

12 and 22 is disposed between the first and

second reels

11 and 21. The pressing assembly 5 includes a fixing shaft 51, a first spring 52, a second spring 53, a first support plate 54, and a second support plate 55.

Wherein the fixed shaft 51 is located between the first reel 11 and the second reel 21, and the first reel 11 and the second reel 21 are axisymmetrically arranged with respect to the fixed shaft 51; the first and

second support plates

54 and 55 are respectively positioned at both sides of the fixed shaft 51, the first spring 52 connects the fixed shaft 51 and the first support plate 54, and the second spring 53 connects the fixed shaft 51 and the second support plate 55. First backup pad 54 and second backup pad 55 are made by rubber or silica gel material, and first backup pad 54 is the arcwall face setting towards one side of first spool 11, and second backup pad 55 is the arcwall face setting towards one side of second spool 21.

When the first fire-proof curtain 12 is rolled up and unrolled, the first supporting plate 54 will abut against the surface of the first fire-proof curtain 12, so that the first fire-proof curtain 12 is pressed towards the axial direction of the first roller 11, and the first fire-proof curtain 12 can be tightened on the first roller 11. When the second fire curtain 22 is rolled up and unrolled, the second support plate 55 will abut against the surface of the second fire curtain 22, so that the second fire curtain 22 is pressed towards the axial center direction of the second roller 21, and the second fire curtain 22 can be tightened on the second roller 21.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a double-deck fire prevention rolling slats door which characterized in that: including first roller shutter door device (1), second roller shutter door device (2), transmission (3) and cooling device (4), first roller shutter door device (1) includes first spool (11), first fire prevention curtain (12) and first guide rail (13), first fire prevention curtain (12) one end is fixed on first spool (11), the both sides limit sliding connection of first fire prevention curtain (12) is on first guide rail (13), second roller shutter door device (2) includes second spool (21), second fire prevention curtain (22) and second guide rail (23), second fire prevention curtain (22) one end is fixed on first spool (11), the both sides limit sliding connection of second fire prevention curtain (22) is on second guide rail (23), first guide rail (13) and second guide rail (23) are parallel arrangement in vertical direction, form cooling chamber (41) between first fire prevention curtain (12) and second fire prevention curtain (22), the transmission device (3) drives the first reel (11) and the second reel (21) to rotate simultaneously, and the cooling device (4) is located between the first guide rail (13) and the second guide rail (23).

2. A double layer fire resistant roller door as claimed in claim 1, wherein: the transmission device (3) comprises a driving motor (31), a driving gear (32), a first driven gear (33) and a second driven gear (34), the driving gear (32) is fixedly connected with a motor shaft of the driving motor (31), the first driven gear (33) is fixed on the first reel (11) and coaxially arranged with the first reel (11), the second driven gear (34) is fixed on the second reel (21) and coaxially arranged with the second reel (21), the first driven gear (33) is meshed with the driving gear (32), and the second driven gear (34) is meshed with the driving gear (32).

3. A double layer fire resistant roller door as claimed in claim 1, wherein: be provided with between first spool (11) and the second spool (21) and compress tightly subassembly (5), compress tightly subassembly (5) including fixed axle (51), first spring (52), second spring (53), first backup pad (54) and second backup pad (55), fixed axle (51) are located between first spool (11) and second spool (21), fixed axle (51) and first backup pad (54) are connected in first spring (52), a side and first fire curtain (12) looks butt of first spring (52) are kept away from in first backup pad (54), fixed axle (51) and second backup pad (55) are connected in second spring (53), a side and second fire curtain (22) looks butt of second spring (53) are kept away from in second backup pad (55).

4. A double layer fire resistant roller door as claimed in claim 3, wherein: one side of the first support plate (54) far away from the first spring (52) is arc-shaped, and one side of the second support plate (55) far away from the second spring (53) is arc-shaped.

5. A double layer fire resistant roller door as claimed in claim 3, wherein: the axle center of the first reel (11) and the axle center of the second reel (21) are positioned on the same horizontal line, and the first support plate (54) and the second support plate (55) are symmetrically arranged relative to the fixed shaft (51).

6. A double layer fire resistant roller door as claimed in claim 1, wherein: the cooling device (4) comprises a water pipe (42), wherein the water pipe (42) is located between the first reel (11) and the second reel (21), a first water spraying opening (43) and a second water spraying opening (44) are formed in the water pipe (42), the first water spraying opening (43) and the second water spraying opening (44) are respectively provided with a plurality of water spraying openings, the first water spraying openings (43) are evenly distributed along the length direction of the water pipe (42), the second water spraying openings (44) are evenly distributed along the length direction of the water pipe (42), the first water spraying opening (43) and the second water spraying opening (44) are respectively arranged on two sides of the water pipe (42), and the spraying directions of the first water spraying opening (43) and the second water spraying opening (44) are inclined downwards.

7. A double layer fire resistant roller door as claimed in claim 6, in which: the fireproof curtain device further comprises a fireproof sealing element (45), wherein the fireproof sealing element (45) is fixedly connected with one end, away from the first reel (11), of the first fireproof curtain (12) and one end, away from the second reel (21), of the second fireproof curtain (22).

8. A double layer fire resistant roller door as claimed in claim 7, wherein: be provided with delivery port (46) on fire prevention sealing member (45), delivery port (46) are located first fire prevention curtain (12) below, just the both ends tip of delivery port (46) is located the side and the cooling chamber (41) of fire prevention sealing member (45) respectively.