CN112431536A

CN112431536A - High-flame-retardant steel fireproof door

Info

Publication number: CN112431536A
Application number: CN202011315807.6A
Authority: CN
Inventors: 丁玉梅; 刘粉林
Original assignee: Jiangsu Shengyang Fire Door Industry Co ltd
Current assignee: Jiangsu Shengyang Fire Door Industry Co ltd
Priority date: 2020-11-22
Filing date: 2020-11-22
Publication date: 2021-03-02

Abstract

The invention discloses a high-flame-retardant steel fireproof door, and relates to the technical field of fireproof doors. The fireproof door comprises a fireproof door body, wherein a rectangular through hole is formed in one surface of the fireproof door body, an accommodating cavity is formed in the fireproof door body, an ear plate is fixed on the inner wall of the fireproof door body, and a limiting groove is formed in one surface of the fireproof door body; one end of the lug plate is rotatably connected with a gear, the interior of the fireproof door body is connected with a fireproof partition plate through gear transmission, rectangular grooves are formed in the front side and the rear side of the fireproof partition plate side by side, racks matched with the gear are fixed on the inner bottom surface of each rectangular groove at equal intervals, and a sealing plate is fixed on the upper surface of the fireproof partition plate; a surface of the fireproof partition board is penetrated with a limit structure matched with the fireproof door body, and the limit structure comprises a sliding rod penetrating through the fireproof partition board. The invention solves the problems that the existing fireproof door is of an integrated structure, the escape is inconvenient when a fire disaster occurs, and the escape probability is reduced by using the limiting structure, the fireproof partition plate and the gear.

Description

High-flame-retardant steel fireproof door

Technical Field

The invention belongs to the technical field of fireproof doors, and particularly relates to a high-flame-retardant steel fireproof door.

Background

The fireproof door is a door which can meet the requirements of fire resistance stability, integrity and heat insulation performance in a certain time and is convenient for escape, is usually arranged at positions such as fire prevention partitions, evacuation staircases and the like, has the function of facilitating escape besides the function of a common door, and can ensure people to evacuate in a certain time.

But the most formula structures as an organic whole that prevent fire door that exist now, when the conflagration breaing out, prevent that fire door is whole to be opened and to draw the fire into the room easily, improved personnel's danger to when the conflagration breaing out, lying prone down crawl flee be the best selection of fleing, but prevent that fire door is inconvenient whole to be opened, inconvenient the fleing.

Disclosure of Invention

The invention aims to provide a high-flame-retardant steel fireproof door, which solves the problems that the existing fireproof door is of an integrated structure, the escape is inconvenient when a fire disaster happens, and the escape probability is reduced by using a limiting structure, a fireproof partition plate and a gear.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a high-flame-retardant steel fireproof door which comprises a fireproof door body, wherein a rectangular through hole is formed in one surface of the fireproof door body, an accommodating cavity is formed in the fireproof door body, an ear plate is fixed on the inner wall of the fireproof door body, and a limiting groove is formed in one surface of the fireproof door body; one end of the lug plate is rotatably connected with a gear, the interior of the fireproof door body is connected with a fireproof partition plate through gear transmission, rectangular grooves are formed in the front side and the rear side of the fireproof partition plate side by side, racks matched with the gear are fixed on the bottom surface of each rectangular groove at equal intervals, and a sealing plate is fixed on the upper surface of the fireproof partition plate; one surface of the fireproof partition board is penetrated with a limit structure matched with the fireproof door body, the limit structure comprises a sliding rod penetrating through the fireproof partition board, two ends of the sliding rod are respectively fixed with a limit cylinder matched with a limit groove, and one end of the sliding rod, far away from the limit cylinder, is fixed with a limit disc.

Furthermore, a hand pull ring is fixed on one end face, far away from the limiting cylinder, of the limiting disc.

Furthermore, a through hole matched with the sliding rod is formed in one surface of the fireproof partition plate, and the cross section of the through hole is circular or rectangular.

Further, door handles are fixed to the front side and the rear side of the fireproof door body.

Furthermore, the fireproof door body is internally provided with a heat insulation layer, a high temperature resistant layer, a vacuum insulation layer and fireproof fillers in sequence from outside to inside.

The invention has the following beneficial effects:

according to the invention, through the use of the limiting structure, the gear and the fireproof partition plate, the fireproof partition plate can be manually lifted to open the escape exit for escaping, the problem that the existing fireproof door is of an integrated structure, when a fire disaster occurs, the whole fireproof door is easy to ignite into a room and is inconvenient to escape is solved, and the climbing escape is the best choice when the fire disaster occurs, the structure is more convenient for escaping, and the escape probability when the fire disaster occurs is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Figure 1 is a schematic view of a high fire rated steel fire rated door of the present invention;

figure 2 is a schematic top view of a high fire rated steel fire rated door of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line B-B in FIG. 2;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 2;

figure 5 is a schematic view of the body of the fire rated door of figure 1;

FIG. 6 is a schematic view of the fire barrier of FIG. 1;

fig. 7 is a schematic structural view of the limiting structure in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-fireproof door body, 2-fireproof partition board, 3-limiting structure, 4-gear, 101-accommodating cavity, 102-ear plate, 103-limiting groove, 104-rectangular through opening, 105-door handle, 106-heat insulation layer, 107-high temperature resistant layer, 108-vacuum insulation layer, 109-fireproof filler, 201-rectangular groove, 202-rack, 203-closing plate, 204-through hole, 301-sliding rod, 302-limiting cylinder, 303-limiting disc and 304-hand pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-7, the present invention is a high flame-retardant steel fire door, which includes a fire door body 1, a rectangular opening 104 is formed on a surface of the fire door body 1, an accommodating cavity 101 is formed inside the fire door body 1, an ear plate 102 is fixed on an inner wall of the fire door body 1, and a limiting groove 103 is formed on a surface of the fire door body 1.

Otic placode 102 one end is rotated and is connected with gear 4, prevents that fire door body 1 is inside to be connected with fire barrier 2 through the gear 4 transmission, and rectangular groove 201 has all been seted up side by side to both sides around fire barrier 2, and the bottom surface equidistance is fixed with and gear 4 matched with rack 202 in rectangular groove 201, and fire barrier 2 upper surface is fixed with shrouding 203.

2 one surfaces of fire barrier run through have with prevent fire door body 1 matched with limit structure 3, and limit structure 3 is including running through the slide bar 301 of fire barrier 2, and slide bar 301 both ends all are fixed with spacing cylinder 302 with spacing groove 103 matched with, and slide bar 301 one end is fixed with spacing disc 303 is kept away from to spacing cylinder 302.

A hand ring 304 is fixed on one end face of the limiting disc 303 far away from the limiting cylinder 302, a through hole 204 matched with the sliding rod 301 is formed in one surface of the fireproof partition plate 2, the cross section of the through hole 204 is circular or rectangular, door handles 105 are fixed on the front side and the rear side of the fireproof door body 1, and a heat insulation layer 106, a high temperature resistant layer 107, a vacuum insulation layer 108 and a fireproof filler 109 are sequentially arranged inside the fireproof door body 1 from outside to inside.

One specific application of this embodiment is:

during the use, install this fire door on the door frame, when indoor conflagration breaing out, and can't flee through opening the door, creep and go forward and flee through opening fire barrier 2, the manual work is held hand power ring 304 rebound and is lifted up fire barrier 2, when lifting up, rack 202 and gear 4 mesh the transmission, when lifting up fire barrier 2 to unable removal, insert spacing cylinder 302 in the spacing groove 103 that fire door body 1 surface was seted up, fire barrier 2 just can not drop by spacing, then creep and go forward and flee under the manual work.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a high fire-retardant steel prevents fire door, includes prevents fire door body (1), its characterized in that:

a rectangular through hole (104) is formed in one surface of the fireproof door body (1), an accommodating cavity (101) is formed in the fireproof door body (1), an ear plate (102) is fixed on the inner wall of the fireproof door body (1), and a limiting groove (103) is formed in one surface of the fireproof door body (1);

one end of the ear plate (102) is rotatably connected with a gear (4), the fireproof door body (1) is connected with a fireproof partition plate (2) through the gear (4) in a transmission mode, rectangular grooves (201) are formed in the front side and the rear side of the fireproof partition plate (2) side by side, racks (202) matched with the gear (4) are fixed on the inner bottom surface of each rectangular groove (201) at equal intervals, and a sealing plate (203) is fixed on the upper surface of the fireproof partition plate (2);

fireproof partition board (2) one surface runs through have with prevent fireproof door body (1) matched with limit structure (3), limit structure (3) are including slide bar (301) that runs through fireproof partition board (2), slide bar (301) both ends all are fixed with spacing cylinder (302) of spacing groove (103) matched with, slide bar (301) one end is kept away from in spacing cylinder (302) and is fixed with spacing disc (303).

2. The fire door as claimed in claim 1, wherein a hand ring (304) is fixed to an end of the positioning disk (303) away from the positioning cylinder (302).

3. The fire door made of steel with high flame retardancy as claimed in claim 1, wherein a surface of the fire barrier (2) is formed with a through hole (204) matching with the sliding rod (301), and the cross section of the through hole (204) is circular or rectangular.

4. The fire door of claim 1, wherein door handles (105) are fixed to both the front and rear sides of the door body (1).

5. The fire door of claim 1, wherein the fire door body (1) is provided with a thermal insulation layer (106), a high temperature resistant layer (107), a vacuum insulation layer (108) and a fire-proof filler (109) from outside to inside.