CN1253645C - Novel fire curtain - Google Patents

Abstract

The present invention relates to a novel fireproof rolling curtain which belongs to the technical field of fireproof articles. The present invention mainly solves the problems that when a curtain core is formed from refractory fibrous materials, the fabrication is difficult, the cost is high, a fire-resistant fiber blanket is easy to crack, and thus, the fireproof performance is reduced. In the present invention, a curtain core is formed by compounding the fire-resistant fiber blanket (3) together with fire-resistant fiber cloth (1) and a steel wire (4) of an adhesive aluminum foil (2). Moreover, the novel fireproof rolling curtain is provided with an upper end function board (8) with a hinge structure and a lower end function board (7) with a weight balancing structure. The present invention has the advantages of fire prevention, fire resistance, smoke isolation, reliable heat-insulation performance, easy fabrication, low cost, easy installation and use and high durability. In addition, the fire-resistant fiber blanket can not crack when fireproof curtain is curled.

Description

A kind of fire curtain

Technical field

The invention belongs to fire prevention articles for use field, relate to a kind of fire curtain.

Background technology

In the prior art, fire curtain is mainly used in the indoor fire safety subregion of large-scale public place and storehouse, highrise building etc., in case catch fire, can stop fire spread, plays the fire prevention curtain wall, fire prevention cuts off and every cigarette, heat insulation effect; It is the refractory fibre combined type that its structure is formed mostly, shown in ZL962444391 and ZL002342561, with regard to fire curtain, the former is by the inside and outside curtain plate therebetween of steel one deck integrally-built continuously " the heat insulation felt rug of inorganic fire ", its weak point is: can not be effectively every cigarette, heat insulation, and unexposed surface temperature rise is very fast and very high, does not meet code requirement, and the crack takes place in " the heat insulation felt rug of inorganic fire " of therebetween easily, thereby reduces the fireproof performance of fire curtain greatly; The latter does not have in the steel, outer roller shutter, its refractory fiber blanket is clipped in the middle of two layers of refractory fiber cloth, place high temperature resistant stainless steel silk and aluminium foil at " in the refractory fiber blanket ", there are thin steel band and attachment screw to be fixedly clamped simultaneously, though fire prevention, fire-resistant, every cigarette, heat-proof quality is good, but two-layer refractory fiber cloth makes product cost very high, and " in the refractory fiber blanket " places the structure of high temperature resistant stainless steel silk and aluminium foil, make it to be difficult to manufacture, simultaneously in view of security regulations, the essential periodic operation inspection of fire curtain, in repeatedly curling, easily refractory fiber blanket is rolled to cut and vertical crack occurs as the curl high temperature resistant stainless steel silk of rope usefulness of load-bearing, thereby reduce the fireproof performance of fire curtain greatly.

Summary of the invention

The technical problem that solves: a kind of fire curtain is provided, the curtain core is combined with each other by the refractory fiber cloth of a refractory fiber blanket and a laminating aluminium foil and gauze wire cloth and forms, can overcome the deficiencies in the prior art, fire prevention, fire-resistant, good every cigarette, heat-proof quality, refractory fiber blanket the crack can not occur in curling, and easily manufacture, cost is low, and is easy to use, reliable.

The technical scheme that adopts:

A kind of fire curtain, have the refractory fiber cloth, refractory fiber blanket, steel band, the screw that paste aluminium foil, and upper and lower end feature board, it is characterized in that: the left surface of refractory fiber blanket, right flank or left surface and right flank have gauze wire cloth, the refractory fiber cloth that pastes aluminium foil is positioned at the left side or the right side of refractory fiber blanket, and the face of subsides aluminium foil inwardly needs.

Beneficial effect: fire curtain refractory fiber blanket in curling the crack can not occur, and fire prevention, fire-resistant, reliable every cigarette, heat-proof quality is easily manufactured, and cost is low, installation, easy to use, durable.

Description of drawings

Fig. 1, general structure vertical section schematic diagram;

Fig. 2, amplification I, gauze wire cloth 4 displacement structure schematic diagrames;

Fig. 3, upper end feature board 8 are connected raw silk structure schematic diagram with scroll bar 15;

Fig. 4, fire curtain be the installation in position schematic diagram on fire resistance rolling shutter door;

The specific embodiment

Further explanation in detail in conjunction with the accompanying drawings.

Sign is described as follows in the accompanying drawing: 1-refractory fiber cloth, 2-aluminium foil, 3-refractory fiber blanket, 4-gauze wire cloth, 5-steel band, 6-screw, 7-lower end feature board, 8-upper end feature board, 9-Weighting filler, the round opening clasp of 10-, the round opening swivel hook of ll-, 12-hinged component, 13-decorative layer, 14-steel cable, 15-scroll bar, 16-guide rail; In the fire curtain, the one side of pasting the refractory fiber cloth l place of the aluminium foil 2 that catches fire is a back of the body face.

As shown in Figure 1, 2, the left surface of refractory fiber blanket 3 or right flank have gauze wire cloth 4, and shown in (b) among Fig. 2, at this moment, the refractory fiber cloth 1 of gauze wire cloth 4 and subsides aluminium foil 2 is positioned at the left surface of refractory fiber blanket 3; Shown in (a) among Fig. 2, perhaps the refractory fiber cloth 1 of gauze wire cloth 4 and subsides aluminium foil 2 lays respectively at the right flank and the left surface of refractory fiber blanket 3; Shown in (c) among Fig. 2, perhaps the left surface of refractory fiber blanket 3 and right flank have gauze wire cloth 4 respectively simultaneously; When gauze wire cloth 4 and the refractory fiber cloth 1 that pastes aluminium foil 2 were positioned at the left surface of refractory fiber blanket 3 or right flank, gauze wire cloth 4 was placed between refractory fiber blanket 3 and the aluminium foil 2, shown in (b), (c) among Fig. 2.

Shown in Fig. 1,3,4, in the upper end of fire curtain, upper end feature board 8 has round opening clasp 10 to upper end feature board 8, and has with the hinged component 12 of round opening swivel hook Il supporting corresponding with it by screw 6 positioning and fixing.Hinged component 12 links together by steel cable 14 and scroll bar 15.

Shown in Fig. 1,4, feature board 7 cross sections in lower end are

The type structure, and by the lower end of screw 6 positioning and fixing at fire curtain.Weighting filler 9 is housed in its hollow; Weighting filler 9 can be the concrete of perfusion, also can be other counterweight object.In case the major function of lower end feature board 7 is when guaranteeing to catch fire, fire curtain can in time quickly fall to the position reliably automatically.

As scheme shown in the l, the fire curtain external surface installs decorative layer 13 additional.

As shown in Figure 4, have the guide rail 16 supporting on the fire resistance rolling shutter door with fire curtain, and corresponding rolling device, comprise scroll bar 15 and steel cable 14 and regulating and controlling mechanism etc.; Under the normal condition. fire curtain is just changeing up by rolling device, is wound on the scroll bar l5; In case fire takes place, it is descending that warning and electric control gear start the rolling device reversing, and fire curtain in time quickly falls to the position simultaneously reliably automatically under the effect of lower end feature board 7.

Gauze wire cloth 4 need satisfy fire curtain from heavy load and the needs and corrosion-resistant, the resistant to elevated temperatures requirement of curling; Forbid fracture of wire in the middle of the steel wire of gauze wire cloth 4 in manufacturing, and the surrounding of gauze wire cloth 4 all needs solid and reliable fixedly shutting.The refractory fiber cloth 1 of gauze wire cloth 4, refractory fiber blanket 3, subsides aluminium foil 2 can be stitched together regularly mutually with fire-resistant line or steel wire in manufacturing.

Be fixed together by refractory fiber cloth 1, refractory fiber blanket 3 and the gauze wire cloth 4 that screw 6 will paste aluminium foil 2 as the steel band 5 that supports the double booster action in location, steel band 5 distributes the lateral separation from top to bottom along fire curtain, and the two ends of steel band 5 need supporting corresponding with guide rail 16.

The installation in position of fire screen: Weighting filler 9 as employing concrete perfusion, need carry out in advance, afterwards fire curtain is vertically launched to pack into guide rail 16, then, be interlocked mutually with round opening clasp 10 by round opening swivel hook 11, thereby hinged component 12 and upper end feature board 8 mutual hinges are linked together, by steel cable 14 hinged component 12 and scroll bar 15 are located by connecting together again, start rolling device and just changeing up, fire curtain is wound on the scroll bar 15.

Claims (10)

1, a kind of fire curtain, refractory fiber cloth (1), refractory fiber blanket (3), steel band (5), screw (6) with subsides aluminium foil (2), and upper and lower end feature board (8,7), it is characterized in that: left surface, right flank or the left surface of refractory fiber blanket (3) and right flank have gauze wire cloth (4), and the refractory fiber cloth (1) that pastes aluminium foil (2) is positioned at the left side or the right side of refractory fiber blanket (3).

2, a kind of fire curtain according to claim 1 is characterized in that: the left surface of refractory fiber blanket (3) or right flank have gauze wire cloth (4), and the refractory fiber cloth (1) of gauze wire cloth (4) and subsides aluminium foils (2) is positioned at the left surface of refractory fiber blanket (3); Perhaps the refractory fiber cloth (1) of gauze wire cloth (4) and subsides aluminium foils (2) lays respectively at the right flank and the left surface of refractory fiber blanket (3); Perhaps the left surface of refractory fiber blanket (3) and right flank have gauze wire cloth (4) respectively simultaneously.

3, according to claim l or 2 described a kind of fire curtains, it is characterized in that: when gauze wire cloth (4) and the refractory fiber cloth (1) that pastes aluminium foils (2) were positioned at the left surface of refractory fiber blanket (3) or right flank, gauze wire cloth (4) was placed between refractory fiber blanket (3) and the aluminium foil (2).

4, according to claim l or 2 described a kind of fire curtains, it is characterized in that: upper end feature board (8) is by the upper end of screw (6) positioning and fixing at fire curtain, upper end feature board (8) has round opening clasp (10), and has with the hinged component (12) of round opening swivel hook (11) supporting corresponding with it.

5, a kind of fire curtain according to claim 3, its feature flower in: upper end feature board (8) by the upper end of screw (6) positioning and fixing at fire curtain, upper end feature board (8) has round opening clasp (10), and has with the hinged component (12) of round opening swivel hook (11) supporting corresponding with it.

6, according to claim 1,2 or 5 described a kind of fire curtains, it is characterized in that: lower end feature board (7) lateral cross section is

The type structure, and pass through screw (6) positioning and fixing in the lower end of fire curtain, Weighting filler (9) is housed in its hollow.

7, a kind of fire curtain according to claim 3 is characterized in that: lower end feature board (7) lateral cross section is The type structure, and pass through screw (6) positioning and fixing in the lower end of fire curtain, Weighting filler (9) is housed in its hollow.

8, a kind of fire curtain according to claim 4 is characterized in that: lower end feature board (7) lateral cross section is

The type structure, and pass through screw (6) positioning and fixing in the lower end of fire curtain, Weighting filler (9) is housed in its hollow.

9, according to claim 1,2,5,7 or 8 described a kind of fire curtains, it is characterized in that: the fire curtain external surface installs decorative layer (13) additional.

10, a kind of fire curtain according to claim 3 is characterized in that: the fire curtain external surface installs decorative layer (13) additional.

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