CN217813186U

CN217813186U - High-flame-retardant smoke-isolating heat-insulating steel fireproof door

Info

Publication number: CN217813186U
Application number: CN202222032622.5U
Authority: CN
Inventors: 赵顶皓
Original assignee: Henan Zhao Door Industry Ltd
Current assignee: Henan Zhao Door Industry Ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-15
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a high flame-retardant smoke-insulating steel fireproof door, which comprises a door body and a door frame, wherein the door frame is arranged at the outer side of the door body, and a door gap is arranged between the door body and the door frame; the connecting steel plate is arranged inside the door body, the connecting steel plate is positioned in the middle of the upper surface of the door body, heat insulation plates are fixedly mounted on two sides of the connecting steel plate, a first sealing groove is formed in the upper end face of each heat insulation plate, a first fireproof expansion strip is arranged inside the first sealing groove, and the first fireproof expansion strips are connected with the heat insulation plates in an adhesive mode; and the second sealing groove is arranged on the inner side surface of the door frame, and the second sealing groove corresponds to the first sealing groove in position. It has realized the ability of separation dense cigarette to when having solved the conflagration, dense cigarette passes from the gap of the door body and door frame easily, can not carry out the problem of separation to conflagration dense cigarette.

Description

High fire-retardant separates thermal-insulated steel of cigarette and prevents fire door

Technical Field

The utility model relates to a prevent fire door technical field, specifically be a high fire-retardant separates thermal-insulated steel and prevents fire door of cigarette.

Background

The fireproof door is a door which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is a fireproof partition with certain fire resistance, which is arranged in a fireproof partition room, an evacuation staircase, a vertical shaft and the like, and the fireproof door is specially used for isolating a fire source in a house building and has a huge effect on fire-fighting work;

for example, patent granted under publication No. CN214997260U (a fire door): the water storage door comprises a door frame and a door body, wherein the door body is rotatably connected in the door frame, a water storage cavity is formed in the door body, a water outlet communicated with the water storage cavity is formed in one side, far away from the door frame, of the door body, a water inlet communicated with the water storage cavity is formed in one side, close to the door frame, of the door body, a water receiving hole aligned with the water inlet is formed in the door frame, and a buoyancy assembly used for opening and closing the water outlet is arranged on the wall of the water storage cavity;

although the deformation of the fireproof door caused by high temperature can be effectively delayed in the prior art, a gap exists between the door body and the door frame, and a sealing part is lacked between the door body and the door frame, so that dense smoke easily passes through the gap between the door body and the door frame when a fire disaster occurs, and the dense smoke in the fire disaster cannot be blocked; therefore, the market urgently needs to develop a high-flame-retardant smoke-insulating steel fireproof door to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high fire-retardant separates thermal-insulated steel of cigarette and prevents fire door to what provide in solving above-mentioned background art when the conflagration breaing out, dense cigarette passes from the gap of the door body and door frame easily, can not carry out the problem of separation to the dense cigarette of conflagration.

In order to achieve the above purpose, the utility model provides a following technical scheme: a high flame-retardant smoke-insulating heat-insulating steel fireproof door, which comprises a door body,

the door frame is arranged on the outer side of the door body, and a door gap is formed between the door body and the door frame;

the connecting steel plate is arranged inside the door body and is positioned in the middle of the upper surface of the door body, heat insulation plates are fixedly mounted on two sides of the connecting steel plate, a first sealing groove is formed in the upper end surface of each heat insulation plate, a first fireproof expansion strip is arranged inside the first sealing groove, and the first fireproof expansion strip is connected with the heat insulation plates in an adhesive mode;

the second sealing groove is arranged on the inner side face of the door frame, the second sealing groove corresponds to the first sealing groove in position, a second fireproof expansion strip is arranged inside the second sealing groove, and the second fireproof expansion strip is connected with the door frame in a bonding mode.

Preferably, the middle of the interior of the door body is provided with a steel frame, the steel frame is fixedly connected with the connecting steel plate, the rock wool plates are symmetrically arranged on two sides of the steel frame respectively, and the steel frame is connected with the rock wool plates in a bonding mode.

Preferably, one side of the rock wool board far away from the steel frame is provided with a pressure-bearing steel plate, and the pressure-bearing steel plate is connected with the rock wool board in a bonding manner.

Preferably, one side of the pressure-bearing steel plate, which is far away from the rock wool plate, is provided with a folding steel plate, and the pressure-bearing steel plate is connected with the folding steel plate in a welding manner.

Preferably, one side of the folding steel plate, which is far away from the pressure-bearing steel plate, is provided with a facing steel plate, and the facing steel plate is connected with the heat insulation plate in an adhesion manner.

Preferably, a hinge is arranged on one side of the front end of the door body, the door body is rotatably connected with the door frame through the hinge, and a doorsill is arranged below the door body and is welded with the door frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through set up first seal groove in the outside of the door body, and set up first fire prevention inflation strip in first seal groove, thereby when the conflagration breaing out, be heated through first fire prevention inflation strip and expand, can seal the dense cigarette of separation to the crack, and first seal groove is provided with two, setting through two first fire prevention inflation strips, the sealing capacity is improved, also the correspondence is provided with the second seal groove in the inboard of door frame simultaneously, and set up second fire prevention inflation strip in the second seal groove, and then receive high temperature inflation in close contact with through twice fire prevention inflation strips, the sealing capacity is further improved, make prevent that fire door can the dense cigarette of separation conflagration, the practicality of preventing fire door has been increased.

2. The utility model discloses a rock wool board through the inside setting of door body, wherein the rock wool board is a panel that has fine moisture resistance, and it also has fine adiabatic effect to make when the conflagration takes place, can the separation heat, improved the heat insulating ability who prevents fire door

3. The utility model discloses a setting through veneer steel sheet, pressure-bearing steel sheet, folding steel sheet and the steelframe that the internal portion of door set up for the whole steel construction that uses of the door body is given first place to, through the incombustible nature of steel construction, makes to prevent that fire door has fire-retardant ability, and uses the door body that the steel construction is given first place to, makes the overall structure intensity of the door body increase, has improved the structural strength who prevents fire door.

Drawings

FIG. 1 is a front view of the steel fireproof door with high fire-retardant, smoke-insulating and heat-insulating functions of the present invention;

fig. 2 is a partial cross-sectional view of a side of the door body of the present invention;

fig. 3 is a cross-sectional view of the position a of the present invention.

In the figure: 1. a door body; 2. a door frame; 3. a door gap; 4. a threshold; 5. a hinge; 6. a facing steel plate; 7. a heat insulation plate; 8. connecting steel plates; 9. a first seal groove; 10. a first fire-resistant intumescent strip; 11. folding the steel plate; 12. a pressure-bearing steel plate; 13. rock wool boards; 14. a steel frame; 15. a second fire-resistant intumescent strip; 16. a second seal groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a high flame-retardant smoke-insulating and heat-insulating steel fireproof door comprises a door body 1 and a door frame 2, wherein the door frame 2 is arranged on the outer side of the door body 1, the door frame 2 is made of a steel structure, and a door gap 3 is arranged between the door body 1 and the door frame 2; the connecting steel plate 8 is arranged inside the door body 1, the connecting steel plate 8 is located in the middle of the upper surface of the door body 1, the connecting steel plate 8 is arranged on the lower end face and the two side faces of the door body 1, and further first sealing grooves 9 are formed in the upper end face, the lower end face and the two side faces of the door body 1, so that the sealing capacity of the fireproof door is improved, heat insulation plates 7 are fixedly arranged on the two sides of the connecting steel plate 8, the first sealing grooves 9 are formed in the upper end face of the heat insulation plates 7, first fireproof expansion strips 10 are arranged inside the first sealing grooves 9, the first fireproof expansion strips 10 are connected with the heat insulation plates 7 in an adhesive mode, and the sealing effect is facilitated through the first fireproof expansion strips 10 arranged inside the two heat insulation plates 7; second seal groove 16, it sets up on the medial surface of door frame 2, and second seal groove 16 and first seal groove 9 position correspond, and the inside of second seal groove 16 is provided with second fire prevention expansion strip 15, and second fire prevention expansion strip 15 and door frame 2 adhesive connection, and then when the conflagration breaing out, through the expansion contact of first fire prevention expansion strip 10 and second fire prevention expansion strip 15, can seal up crack 3, has improved the cigarette ability that separates of preventing fire door.

Further, the middle of the door body 1 is provided with a steel frame 14, and

steel frame

14 and 8 fixed connection of connecting steel plate, through set up steel frame 14 in the middle of the door body 1 is inside, improved 1 overall structure intensity of the door body, the both sides of steel frame 14 are provided with rock wool board 13 respectively symmetrically, and steel frame 14 and rock wool board 13 bonding connection, rock wool board 13 has fine adiabatic effect, has improved the thermal-insulated ability of preventing fire door.

Further, rock wool board 13 keeps away from one side of steelframe 14 and installs pressure-bearing steel sheet 12, and pressure-bearing steel sheet 12 and rock wool board 13 adhesive connection, pressure-bearing steel sheet 12 is provided with the polylith, arrange along rock wool board 13's a side, folding steel sheet 11 is installed to one side of keeping away from rock wool board 13 of pressure-bearing steel sheet 12, and pressure-bearing steel sheet 12 and folding steel sheet 11 welded connection, folding steel sheet 11's setting, can bear the effort that share finish steel sheet 6 and receive, the compressive capacity of finish steel sheet 6 has been improved, one side that folding steel sheet 11 kept away from pressure-bearing steel sheet 12 is provided with finish steel sheet 6, finish steel sheet 6 and heat insulating board 7 adhesive connection, finish steel sheet 6's setting, make door body 1 front and back two sides be the steel construction, the fire door's fire-retardant ability has been improved.

Further, one side of the front end of the door body 1 is provided with hinge 5, and the door body 1 is connected through hinge 5 rotation with door frame 2, hinge 5 is provided with threely, and wherein two hinges 5 are located the upper portion of the 1 one side of the door body, the stability of the 1 use of the door body has been improved, the below of the 1 door body is provided with threshold 4, and threshold 4 and 2 welded connection of door frame, threshold 4 adopts the steel structure to make, also be provided with the second seal groove 16 the same with door frame 2 on the threshold 4 upper surface, and also be provided with second fire prevention inflation strip 15 in second seal groove 16, the smoke barrier ability of preventing fire door has been improved.

The working principle is as follows: during the use, when the conflagration takes place, first fire prevention inflation strip 10 and the second fire prevention inflation strip 15 that set up respectively in first seal groove 9 and the second seal groove 16, be heated and expand, and through the inflation contact of first fire prevention inflation strip 10 and second fire prevention inflation strip 15, make and to seal 3 crack, and all be provided with two through first seal groove 9 and second seal groove 16, through the sealed setting of twice, improve the sealed effect to crack 3, make prevent fire door can the separation conflagration dense smoke, the practicality of preventing fire door has been increased, and through veneer steel sheet 6, pressure-bearing steel sheet 12, the effect of folding steel sheet 11 and rock wool 14, make the door body whole mainly with the steel construction, through the incombustible nature of steel construction, make prevent fire door have fire-retardant ability, and make door body overall structure intensity increase, prevent fire door's structural strength has been improved, simultaneously through the effect of two-layer rock wool board 13, prevent fire door's thermal-insulated ability has been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high fire-retardant separates thermal-insulated steel of cigarette and prevents fire door, includes door body (1), its characterized in that: the door frame (2) is arranged on the outer side of the door body (1), and a door gap (3) is formed between the door body (1) and the door frame (2); the door comprises a connecting steel plate (8) which is arranged inside a door body (1), wherein the connecting steel plate (8) is located in the middle of the upper surface of the door body (1), heat insulation plates (7) are fixedly arranged on two sides of the connecting steel plate (8), a first sealing groove (9) is formed in the upper end surface of each heat insulation plate (7), a first fireproof expansion strip (10) is arranged inside each first sealing groove (9), and the first fireproof expansion strips (10) are connected with the heat insulation plates (7) in an adhesive mode; second seal groove (16), it sets up on the medial surface of door frame (2), second seal groove (16) and first seal groove (9) position correspond, the inside of second seal groove (16) is provided with second fire prevention expansion strip (15), and second fire prevention expansion strip (15) and door frame (2) adhesive connection.

2. The steel fireproof door capable of achieving high flame retardance, smoke isolation and heat insulation according to claim 1, wherein: the door body (1) is inside middle to be provided with steelframe (14), and steelframe (14) and connection steel sheet (8) fixed connection, the both sides of steelframe (14) symmetry respectively are provided with rock wool board (13), and steelframe (14) and rock wool board (13) adhesive connection.

3. The steel fireproof door capable of achieving high flame retardance, smoke isolation and heat insulation according to claim 2, wherein: one side of the rock wool board (13) far away from the steel frame (14) is provided with a pressure-bearing steel plate (12), and the pressure-bearing steel plate (12) is connected with the rock wool board (13) in an adhesive manner.

4. The steel fireproof door capable of achieving high flame retardance, smoke isolation and heat insulation according to claim 3, wherein: one side of the pressure-bearing steel plate (12) far away from the rock wool plate (13) is provided with a folding steel plate (11), and the pressure-bearing steel plate (12) is connected with the folding steel plate (11) in a welding manner.

5. The high fire-retardant, smoke-insulating and heat-insulating steel fire door as claimed in claim 4, wherein: one side of the folded steel plate (11) far away from the pressure-bearing steel plate (12) is provided with a facing steel plate (6), and the facing steel plate (6) is connected with the heat insulation plate (7) in an adhesion mode.

6. The steel fireproof door capable of achieving high flame retardance, smoke isolation and heat insulation according to claim 1, wherein: one side of the front end of the door body (1) is provided with a hinge (5), the door body (1) is rotatably connected with the door frame (2) through the hinge (5), a doorsill (4) is arranged below the door body (1), and the doorsill (4) is connected with the door frame (2) in a welded mode.