CN216381104U

CN216381104U - Steel heat-insulation fireproof door structure

Info

Publication number: CN216381104U
Application number: CN202122506864.9U
Authority: CN
Inventors: 王和勇; 丁剑; 李振远; 何福清
Original assignee: Hunan Grace Door Industry Co ltd
Current assignee: Hunan Grace Door Industry Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-26
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a steel heat-insulation fireproof door structure, which comprises a fireproof door body, wherein a fire insulation structure for preventing the spread of fire is arranged in the fireproof door body, and a flame retardant structure for secondarily preventing the spread of fire is arranged on one side of the fire insulation structure.

Description

Steel heat-insulation fireproof door structure

Technical Field

The utility model relates to the technical field of fireproof doors, in particular to a steel heat-insulation fireproof door structure.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.

Steel fire door is with steel material preparation door frame, door leaf skeleton and door leaf panel, the inside material of filling some fires, such simple structure can prevent the intensity of a fire to spread in the short time, but when the intensity of a fire is too big or the floor is higher, the time that the intensity of a fire was prevented to spread by current steel fire door is shorter, just can't provide sufficient time for personnel evacuation, will lead to the problem that the personnel evacuation is obstructed to take place the casualties like this. Therefore, a steel heat-insulation fireproof door structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steel heat-insulation fireproof door structure to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fire door structure is prevented to steel heat insulation, includes prevents fire door body, prevent that fire door body inside is equipped with and is used for stopping that the intensity of a fire spreads separates fire structure, it is equipped with the fire-retardant structure that is used for the secondary to prevent that the intensity of a fire spreads to separate fire structure one side.

Preferably, the fireproof door body comprises a surrounding door leaf framework, two door leaf panels are arranged on two sides of the door leaf framework, the door leaf framework and the door leaf panels form the fireproof door body, a hollow space is formed between the door leaf framework and the door leaf panels, and a fire isolating structure and a flame retardant structure are arranged inside the hollow space.

Preferably, separate the fire structure including connecting the fender sand board between both sides door leaf panel, fender sand board one end is equipped with the glue film board that meets the fire and melt, it stores up the sand bed to be equipped with between fender sand board one side and the top door leaf skeleton, it is equipped with the baffler to keep off the sand board opposite side, be equipped with between baffler one side and the door leaf panel and separate the fire layer, it has a small amount of water to separate the inside notes of fire layer, it is equipped with fire-retardant structure to separate fire structure one side.

Preferably, fire-retardant structure is including connecting the steel baffle in sand board one side, steel baffle one side is equipped with a plurality of evenly distributed's division board, and is a plurality of be equipped with fire-retardant layer between the division board, be equipped with the insulating layer between steel baffle opposite side and the door leaf panel.

Preferably, the sand storage layer is internally provided with an expansion heat insulator, sand is arranged on one side of the expansion heat insulator and enters the fire insulation layer through a molten glue layer plate, the fire retardant layer is internally provided with a fire retardant material, and the heat insulation layer is internally provided with a heat insulation material.

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

1. according to the fireproof door, the fire insulation structure is arranged in the fireproof door body, so that a fire insulation layer for blocking fire can be formed when a fire breaks out, wet sand grains are filled in the fire insulation layer, the flame retardant structure is arranged on one side of the fire insulation structure and used for performing a second flame retardant layer for preventing the fire from spreading, and the heat insulation layer is arranged on one side of the flame retardant layer.

2. According to the utility model, the flame-retardant material is arranged in the flame-retardant layer between the steel baffle plate and the partition plate of the flame-retardant structure for preventing the fire from spreading for the second time, the heat-insulating material is added in the heat-insulating layer arranged between the steel baffle plate and the door leaf panel on one side, and the glue layer plate is melted when heated so that the whole fire-insulating layer can be filled with sand, thereby preventing the fire from spreading.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

figure 2 is a schematic view of the body of the fire rated door of the present invention;

FIG. 3 is a schematic view of the fire barrier structure of the present invention;

FIG. 4 is a schematic view of a flame retardant construction of the present invention;

figure 5 is a schematic view of the interior of the fire rated door body of the present invention.

In the figure: 1-fireproof door body; 2-fire insulation structure; 3-a flame retardant structure; 4-door leaf framework; 5-door leaf panel; 6-a hollow space; 7-expanded insulation; 8-heat insulating material; 9-sand; 10-a flame retardant material; 21-a sand guard; 22-glue layer plate; 23-storing a sand layer; 24-a barrier plate; 25-a fire barrier layer; 31-steel baffles; 32-a divider plate; 33-a flame retardant layer; and 34-an insulating layer.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a steel heat insulation fireproof door structure is characterized in that a fire insulation structure 2 is arranged inside a fireproof door body 1 and used for preventing fire from happening, a fire barrier layer 25 for blocking fire can be formed, and the fire barrier layer 25 is filled with moist sand grains, a flame-retardant structure 3 is arranged at one side of the fire-insulating structure 2, a second flame-retardant layer 33 for preventing the fire from spreading is arranged, and a heat insulation layer 34 is arranged on one side of the flame retardant layer 33, and the flame retardant material 10 is arranged in the flame retardant layer 33 between the steel baffle plate 31 and the partition plate 32 of the flame retardant structure 3 to perform a second fire prevention, and the heat insulating material 8 is added in the heat insulating layer 34 arranged between the steel baffle plate 31 and the one side door leaf panel 5, the sand 9 can be filled in the whole heat insulating layer 25 by melting the glue layer plate 22 when being heated, thereby prevent the intensity of a fire to spread, through the cooperation between these several kinds of structures, solved the problem that present fire door structure back-fire relief time is short and can't provide sufficient evacuation time.

This steel is thermal-insulated prevents fire door structure is including preventing fire door body 1, prevents that fire door body 1 includes door leaf skeleton 4 all around, and 4 both sides of door leaf skeleton are connected with two door leaf panels 5, connect between door leaf skeleton 4 and two door leaf panels 5 to constitute and prevent fire door body 1, prevent that 1 inside cavity space 6 of having seted up of fire door body, 6 inside being equipped with of cavity space are used for preventing that the intensity of a fire from stretching separate fire structure 2, separate fire structure 2 one side and be equipped with the fire-retardant structure 3 that the secondary prevents the intensity of a fire from stretching.

Separate fire structure 2 including connecting the fender sand board 21 between both sides door leaf panel 5, be connected with the glue film board 22 that melts when meeting heat between fender sand board 21 one end and one side door leaf panel 5, it stores up husky layer 23 to form between one side of fender sand board 21 and glue film board 22 and top door leaf skeleton 4, one side that the husky layer 23 of storage was kept away from to fender sand board 21 is connected with baffler 24, it separates fire layer 25 to form between one side of baffler 24 and one side door leaf panel 5, it flows to separating fire layer 25 inside through the glue film board 22 that melts when meeting fire to store up the inside sand 9 of husky layer 23, and form the sand bed of separation intensity of a fire.

Fire-retardant structure 3 is connected with a plurality of evenly distributed's division board 32 including connecting the steel baffle 31 in baffler 24 one side between steel baffle 31 one side and the baffler 24, forms fire-retardant layer 33 between a plurality of division boards 32, and steel baffle 31 keeps away from and forms insulating layer 34 between one side of division board 32 and one side door leaf panel 5.

The thermal insulation 7 and the sand 9 are arranged inside the sand storage layer 23, the thermal insulation 7 expands when the sand 9 flows into the fire barrier layer 25, the thermal insulation material 8 is arranged in the thermal insulation layer 34, and the fire retardant material 10 is arranged inside the fire retardant layer 33.

When the intensity of a fire spreads to preventing fire door body 1 department, glue film plate 22 meets the high temperature of fire, begin to melt, form the breach after melting, store up sand layer 23 inside sand 9 will flow into and separate fire layer 25, and fuse with the inside water that separates fire layer 25, make sand 9 present moist state, at this moment, inflation heat insulation 7 expands, will stay and store up sand layer 23 inside sand 9 and extrude, when fire prevents fire door body 1, moist sand 9 meets high temperature and will form a hard sand block, separation flame that can be fine, when the sand 9 separation can't have the intensity of a fire, the inside fire-retardant material 10 of fire-retardant layer 33 will carry out the secondary to the intensity of a fire and stop, the inside thermal insulation material 8 of insulating layer 34 separates the high temperature heat, the time that prevents the intensity of a fire to spread has so increased, also can increase personnel's sparse time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire door structure is prevented to steel heat insulation, includes prevents fire door body (1), its characterized in that: a fire insulation structure (2) for preventing fire from spreading is arranged in the fireproof door body (1), and a flame retardant structure (3) for secondarily preventing fire from spreading is arranged on one side of the fire insulation structure (2);

the fireproof door body (1) comprises a surrounding door leaf framework (4), two door leaf panels (5) are arranged on two sides of the surrounding door leaf framework (4), the door leaf framework (4) and the door leaf panels (5) form the fireproof door body (1), a hollow space (6) is formed between the door leaf framework (4) and the door leaf panels (5), and a fire isolating structure (2) and a flame retardant structure (3) are arranged inside the hollow space (6);

separate fire structure (2) including connecting fender sand board (21) between both sides door leaf panel (5), fender sand board (21) one end is equipped with meets glue film board (22) that the fire melts, be equipped with between fender sand board (21) one side and top door leaf skeleton (4) and store up sand bed (23), it is equipped with baffler (24) to keep off sand board (21) opposite side, be equipped with between baffler (24) one side and door leaf panel (5) and separate fire layer (25), it has water to separate inside notes of fire layer (25), it is equipped with fire-retardant structure (3) to separate fire structure (2) one side.

2. The steel heat insulation fireproof door structure as claimed in claim 1, wherein: flame retardant structure (3) are including connecting steel baffle (31) in sand board (21) one side, steel baffle (31) one side is equipped with a plurality of evenly distributed's division board (32), and is a plurality of be equipped with fire-retardant layer (33) between division board (32), be equipped with between steel baffle (31) opposite side and door leaf panel (5) insulating layer (34).

3. The steel heat insulation fireproof door structure as claimed in claim 2, wherein: store up inside thermal-insulated thing (7) of being equipped with of sand layer (23), inflation thermal-insulated thing (7) one side is equipped with sand (9), and inside sand (9) entered into fire insulation layer (25) through plywood (22) that melts, inside flame retardant material (10) of being equipped with of flame retardant layer (33), insulating layer (34) inside is equipped with thermal insulation material (8).