CN212130312U

CN212130312U - Fireproof and explosion-proof steel door

Info

Publication number: CN212130312U
Application number: CN202020410734.8U
Authority: CN
Inventors: 李竹平; 刘二强
Original assignee: Tianjin Zhonghe Hengtai Civil Defense Engineering Protection Equipment Co ltd
Current assignee: Tianjin Zhonghe Hengtai Civil Defense Engineering Protection Equipment Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-12-11
Anticipated expiration: 2030-03-27

Abstract

The utility model provides a fireproof and explosion-proof steel door, which comprises a steel door plate, wherein the upper side and the lower side of the interior of the steel door plate are respectively provided with a water storage cavity and a compressed nitrogen cavity, the two sides of the exterior of the steel door plate are respectively provided with an antiknock layer, one side of the two antiknock layers, which is far away from the steel door plate, is provided with a sound insulation layer, one side of the two sound insulation layers, which is far away from the steel door plate, is provided with an anti-impact layer, two side walls of the steel door plate are provided with a plurality of first through holes respectively communicated with the water storage cavity and the compressed nitrogen cavity, the antiknock layers, the sound insulation layers and the anti-impact layer are correspondingly provided with a plurality of second through holes communicated with the first through holes, the interior of the first through holes is provided with trapezoidal sealing blocks, the diameter of the sealing blocks is gradually increased along the direction from the first through holes to the second through holes, the interior of, and a spring is sleeved on the limiting rod between the sealing block and the limiting plate.

Description

Fireproof and explosion-proof steel door

Technical Field

The utility model relates to a steel door technical field especially relates to a fire prevention and explosion protection steel door.

Background

With the progress of society, the safety consciousness of people is gradually strengthened, and the steel door is generally used as a main door due to the advantages of firm structure, safety, reliability, difficult damage and the like, and is widely applied to the indoor and outdoor of buildings; however, most of the existing steel doors have simpler structures, and the fireproof and explosion-proof performances of the existing steel doors are poorer, so that the existing steel doors cannot well meet the use requirements.

Disclosure of Invention

The utility model discloses just to above technical problem, provide a fire prevention explosion-proof steel door.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a fireproof and explosion-proof steel door comprises a steel door plate and is characterized in that a water storage cavity and a compressed nitrogen cavity are respectively arranged on the upper side and the lower side of the interior of the steel door plate, anti-explosion layers are respectively arranged on the two outer sides of the steel door plate, sound insulation layers are respectively arranged on the sides of the two anti-explosion layers, which are far away from the steel door plate, anti-impact layers are respectively arranged on the sides of the two sound insulation layers, which are far away from the steel door plate, a water inlet pipe and an air inlet pipe are respectively arranged on the upper end and the lower end of the side of the two anti-impact layers, the other end of the water inlet pipe is communicated with the water storage cavity, the other end of the air inlet pipe is communicated with the compressed nitrogen cavity, a plurality of first through holes respectively communicated with the water storage cavity and the compressed nitrogen cavity are arranged on the two side walls of the steel door plate, a plurality of second through holes communicated with the first, the inside slip of second through-hole is equipped with the trapezoidal sealed piece that can shutoff first through-hole, and the diameter of the trapezoidal sealed piece is crescent along the direction of first through-hole to second through-hole, and the inside of second through-hole is equipped with the limiting plate, and one side middle part that first through-hole was kept away from to sealed piece is equipped with the gag lever post, and the other end of gag lever post runs through the limiting plate and is connected with the gag lever post, and the cover has the spring on the gag lever post between sealed piece and the limiting plate.

The anti-explosion layer is internally provided with a plurality of reinforcing steel bar net layers along the thickness direction, and the reinforcing steel bar net layers are formed by bundling a plurality of reinforcing steel bars which are arranged in a crisscross manner.

The inside of puigging is equipped with corrugated sound insulation cystosepiment, and is equipped with a plurality of sound holes of inhaling on the cystosepiment that gives sound insulation.

The anti-collision layer is a silicon rubber buffer layer, one side of the silicon rubber buffer layer, which is far away from the sound insulation layer, is provided with a plurality of silicon rubber bulges, and the inside of the silicon rubber buffer layer is provided with silicon rubber balls corresponding to the silicon rubber bulges.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the inside water storage chamber and the compressed nitrogen chamber that set up of steel door plant make the steel door have good fire behavior, and the explosion-proof performance of steel door has been improved greatly on a plurality of reinforcing bar net layers that the antiknock layer and the antiknock in situ portion that set up, and the puigging and the anti striking layer of setting have still improved the sound insulation performance and the anti striking performance of steel door greatly, and the result of use is better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the anti-explosion layer of the present invention;

FIG. 3 is an enlarged view of A in FIG. 1 according to the present invention;

in the figure: 1. a steel door panel; 2. a water storage cavity; 3. compressing the nitrogen chamber; 4. an antiknock layer; 5. a sound insulating layer; 6. an impact resistant layer; 7. a first through hole; 8. a second through hole; 9. a sealing block; 10. a limiting plate; 11. a limiting rod; 12. a limiting block; 13. a spring; 14. reinforcing steel bars; 15. a sound insulating foam sheet; 16. a silicon rubber bulge; 17. a silicone rubber ball.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in the figure, the fireproof and explosion-proof steel door comprises a steel door plate 1, wherein a water storage cavity 2 and a compressed nitrogen cavity 3 are respectively arranged on the upper side and the lower side inside the steel door plate 1, anti-explosion layers 4 are respectively arranged on the two sides outside the steel door plate 1, sound insulation layers 5 are respectively arranged on the sides, away from the steel door plate 1, of the two anti-explosion layers 4, anti-collision layers 6 are respectively arranged on the sides, away from the steel door plate 1, of the two sound insulation layers 5, an anti-collision layer 6 is respectively arranged on the upper end and the lower end of one side, away from the steel door plate 1, of each anti-collision layer 6, a water inlet pipe and an air inlet pipe are respectively arranged at the upper end and the lower end, the other end of the water inlet pipe is communicated with the water storage cavity 2, the other end of the air inlet pipe is communicated with the compressed nitrogen cavity 3, check valves are respectively arranged on the water inlet pipe and the air inlet, second through-hole 8 runs through to the surface of anti striking layer 6 and the diameter of second through-hole 8 is greater than the diameter of first through-hole 7, the inside slip of second through-hole 8 is equipped with trapezoidal sealed piece 9 that can shutoff first through-hole 7, and the diameter of trapezoidal sealed piece 9 increases along the direction of first through-hole 7 to second through-hole 8 gradually, the inside of second through-hole 8 is equipped with limiting plate 10, sealed piece 9 is kept away from one side middle part of first through-hole 7 and is equipped with gag lever post 11, the other end of gag lever post 11 runs through limiting plate 10 and is connected with gag lever post 12 in parallel, the cover has spring 13 on the gag lever post 11 between sealed piece 9 and the limiting plate 10.

The anti-explosion layer 4 is internally provided with a plurality of reinforcing steel mesh layers along the thickness direction, and the reinforcing steel mesh layers are formed by bundling a plurality of reinforcing steel bars 14 which are arranged in a crisscross manner.

The inside of puigging 5 is equipped with corrugated sound insulation cystosepiment 15, and is equipped with a plurality of sound holes of inhaling on sound insulation cystosepiment 15.

Anti striking layer 6 is the silicon rubber buffer layer, and the one side that puigging 5 was kept away from to the silicon rubber buffer layer is equipped with a plurality of silicon rubber protrudingly 16, and the inside of silicon rubber buffer layer all is equipped with silicon rubber ball 17 corresponding to protruding 16 departments of silicon rubber.

When a fire disaster occurs, the steel door plate 1 is heated, so that the pressure intensity in the water storage cavity 2 and the compressed nitrogen cavity 3 is increased, the sealing block 9 and the compression spring 13 drive the limiting rod 11 to move, so that the water in the water storage cavity 2 and the nitrogen in the compressed nitrogen cavity 3 are sprayed out from the arranged second through hole 8, the nitrogen covers the flame from bottom to top, and the effect of isolating the air is achieved; the flowing water is sprayed on the flame from top to bottom, so that the effect of extinguishing the flame is achieved; after the flame is extinguished, the pressure intensity in the water storage cavity 2 and the compressed nitrogen cavity 3 is reduced, and the sealing block 9 reseals the first through hole 7 under the action of the restoring force of the spring 13; the anti-explosion layer 4 arranged on the two sides of the outer part of the steel door plate 1 and the plurality of steel rib net layers arranged in the anti-explosion layer 4 can effectively improve the anti-explosion performance of the steel door; the sound insulation layer 5, the wavy sound insulation foam plate 15 arranged in the sound insulation layer 5 and the plurality of sound deadening holes arranged on the sound insulation foam plate 15 can effectively improve the sound insulation performance of the steel door; the anti striking performance of steel door can effectually be improved to the silicon rubber buffer layer, silicon rubber arch 16 and the silicon rubber ball 17 that set up, and the result of use is better.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A fireproof and explosion-proof steel door comprises a steel door plate (1), and is characterized in that the upper side and the lower side of the interior of the steel door plate (1) are respectively provided with a water storage cavity (2) and a compressed nitrogen cavity (3), the two sides of the exterior of the steel door plate (1) are respectively provided with an anti-explosion layer (4), one side of each anti-explosion layer (4) far away from the steel door plate (1) is respectively provided with a sound insulation layer (5), one side of each two sound insulation layers (5) far away from the steel door plate (1) is respectively provided with an anti-impact layer (6), the upper end and the lower end of each two anti-impact layers (6) far away from one side of the steel door plate (1) are respectively provided with a water inlet pipe and an air inlet pipe, the other end of each water inlet pipe is communicated with the water storage cavity (2), the other end of each air inlet pipe is communicated with the compressed nitrogen cavity (3, a plurality of second through holes (8) communicated with the first through holes (7) are correspondingly arranged on the anti-explosion layer (4), the sound insulation layer (5) and the anti-impact layer (6), the second through holes (8) penetrate through the outer surface of the anti-impact layer (6), the diameter of each second through hole (8) is larger than that of the corresponding first through hole (7), a trapezoidal sealing block (9) capable of plugging the corresponding first through hole (7) is arranged in each second through hole (8) in a sliding mode, and the diameter of trapezoidal sealed piece (9) is crescent along the direction of first through-hole (7) to second through-hole (8), and the inside of second through-hole (8) is equipped with limiting plate (10), and one side middle part that first through-hole (7) were kept away from in sealed piece (9) is equipped with gag lever post (11), and the other end of gag lever post (11) runs through limiting plate (10) and is connected with gag lever post (12), and the cover has spring (13) on gag lever post (11) between sealed piece (9) and limiting plate (10).

2. A fire and explosion proof steel door as claimed in claim 1, wherein said anti-explosion layer (4) is provided with a plurality of steel mesh layers in the thickness direction, and the steel mesh layers are formed by binding a plurality of steel bars (14) arranged in a crisscross manner.

3. A fire and explosion proof steel door as claimed in claim 1, wherein said soundproof layer (5) is internally provided with a waved soundproof foam sheet (15), and the soundproof foam sheet (15) is provided with a plurality of sound absorption holes.

4. A fire and explosion protection steel door as claimed in claim 1, wherein the impact resistant layer (6) is a silicon rubber buffer layer, a plurality of silicon rubber protrusions (16) are arranged on one side of the silicon rubber buffer layer away from the sound insulation layer (5), and silicon rubber balls (17) are arranged inside the silicon rubber buffer layer corresponding to the silicon rubber protrusions (16).