CN217176373U - Door leaf structure of aerogel felt composite fireproof door - Google Patents

Abstract

The utility model belongs to the technical field of fire door and door leaf structures, in particular to an aerogel felt composite fire door and door leaf structure, comprising a fire door leaf frame, a fire door leaf panel layer and a fire door core, wherein the fire door leaf frame is filled with a fire door core , both sides of the fire door core are covered with fire door leaf panel layers. The fire door core of the utility model adopts the aerogel felt interlayer, and its excellent heat insulation performance can greatly increase the fire resistance time of the fire door. The fiber layer structure of the aerogel felt is also very effective in blocking noise. In addition, after the inorganic foam fireproof board is combined with the aerogel felt, the overall shock resistance and impact resistance of the door core can be effectively improved.

Description

A kind of aerogel felt composite fire door door leaf structure

technical field

The utility model belongs to the technical field of fire door leaf structure, in particular to an aerogel felt composite fire door leaf structure.

Background technique

Fire doors are one of the building safety facilities required by the national fire protection regulations. The traditional fire door core materials are mainly expanded perlite board and inorganic foam fire board. These materials all have the defects of weak fire resistance and heat insulation performance, large bulk volume, and poor sound insulation effect. These defects restrict the further improvement of the fire resistance level of fire doors.

Utility model content

In view of the above technical problems, the utility model provides an aerogel felt composite fire door leaf structure.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is:

An aerogel felt composite fire door and door structure, comprising a fire door frame, a fire door panel layer and a fire door core, the fire door frame is filled with a fire door core, and both sides of the fire door core are covered with fire doors panel layer.

The fire door core includes an inorganic foamed fireproof board and an aerogel felt, the inorganic foamed fireproof board is provided with two layers, and the aerogel felt is provided between the two layers of the inorganic foamed fireproof board or arranged in the inorganic foamed fireproof board. The fire side of the fire board.

The frame of the fire door leaf adopts a Japanese-shaped or a mesh-shaped structure.

The fire door leaf panel layer includes a density board and a magnesium fireproof board, the magnesium fireproof board is arranged on the outer side of the fire door core, and the density board is arranged on the outer side of the magnesium fireproof board.

The inorganic foamed fireproof board adopts a foamed magnesium oxyhalide board or a foamed magnesium oxysulfide board, and the thickness of the inorganic foamed fireproof board is 5-40 mm.

The aerogel felt adopts the aerogel felt without any perforation made by using inorganic fiber felt through the sol-gel process, the thickness of the aerogel felt is in the range of 3-15mm, and the highest The operating temperature range is 300-800℃.

The density board is a medium density board, and the thickness of the density board is in the range of 3-10mm.

The density board adopts milling type density board.

The fireproof door leaf frame, the fireproof door leaf panel layer and the fireproof door core are all bonded with high temperature resistant fireproof glue.

The frame of the fire door leaf is made of fire retardant wood.

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

The utility model adopts a new door leaf structure, which improves the strength of the door leaf and enhances the fire resistance and heat insulation performance of the door leaf. The frame of the door leaf is made of flame-retardant wood, and the structure of the Japanese-shaped or mesh-shaped structure improves the strength of the door leaf.

The fire door core of the utility model adopts the aerogel felt interlayer, and its excellent heat insulation performance can greatly increase the fire resistance time of the fire door. The fiber layer structure of the aerogel felt is also very effective in blocking noise. In addition, after the inorganic foam fireproof board is combined with the aerogel felt, the overall shock resistance and impact resistance of the door core can be effectively improved.

The panel layer of the fireproof door leaf of the utility model is composed of an outer layer of density board and an inner layer of magnesium fireproof board. The outer MDF can be milled to improve the aesthetics of the door leaf. The inner layer of magnesium fireproof board can protect the frame of the door leaf and ensure the fire resistance integrity of the fireproof door.

Description of drawings

Fig. 1 is the sectional schematic diagram of the utility model;

Fig. 2 is another schematic cross-sectional view of the utility model;

Fig. 3 is the structural schematic diagram of the framework of the fire door leaf of the present invention.

Among them: 1 is the frame of the fire door leaf, 2 is the panel layer of the fire door leaf, 3 is the fire door core, 201 is the density board, 202 is the magnesium fireproof board, 301 is the inorganic foam fireproof board, and 302 is the aerogel felt.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It can be connected in one piece; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

An aerogel felt composite fire door and door leaf structure, as shown in Figure 1, includes a fire door leaf frame 1, a fire door leaf panel layer 2 and a fire door core 3, and the fire door leaf frame 1 is filled with a fire door core 3. The fire door core Both sides of 3 are covered with a panel layer 2 of a fire door leaf.

Further, the fire door core 3 includes an inorganic foam fireproof board 301 and an aerogel felt 302. As shown in FIG. 1 , the inorganic foam fireproof board 301 is provided with two layers, and the aerogel felt 302 is provided on the two layers of the inorganic foam fireproof board. 301; as shown in FIG. 2, the aerogel felt 302 can also be arranged on the back fire surface of the inorganic foam fireproof board 301. After the inorganic foam fireproof board 301 is compounded with the aerogel felt 302, the fire door core 3 The overall seismic and impact resistance performance can be effectively improved.

Further, as shown in FIG. 3 , the fireproof door leaf frame 1 adopts a Japanese-shaped or mesh-shaped structure, and the Japanese-shaped or mesh-shaped structure improves the strength of the door leaf.

Further, the fire door leaf panel layer 2 includes a density board 201 and a magnesium fireproof board 202, the magnesium fireproof board 202 is arranged on the outer side of the fire door core 3, the density board 201 is arranged on the outer side of the magnesium fireproof board 202, and the magnesium fireproof board 202 The frame 1 of the fire door leaf can be protected to ensure the fire resistance integrity of the fire door.

Further, the inorganic foamed fireproof board 301 is a foamed magnesium oxyhalide board or a foamed magnesium oxysulfide board, and the thickness of the inorganic foamed fireproof board 301 is in the range of 5-40 mm.

Further, the aerogel felt 302 adopts an aerogel felt without any perforations made by using an inorganic fiber felt through a sol-gel process. The thickness of the aerogel felt 302 is in the range of 3-15mm. The temperature range is 300-800 ℃, and the aerogel felt 302 has excellent thermal insulation performance, which can greatly improve the fire resistance time of the fire door.

Further, preferably, the density board 201 is a medium density board, and the thickness of the density board 201 is in the range of 3-10mm.

Further, the MDF 201 adopts a milling type MDF to improve the aesthetics of the door leaf.

Further, the fire door leaf frame 1, the fire door leaf panel layer 2 and the fire door core 3 are all bonded with high temperature resistant fireproof glue.

Further, preferably, the fire-resistant door leaf frame 1 is made of flame-retardant wood, which can not only improve the strength of the fire-resistant door leaf frame 1, but also achieve the effect of flame retardant.

The working principle of the utility model is as follows: the fire door core of the present utility model adopts the aerogel felt interlayer, and its excellent heat insulation performance can greatly increase the fire resistance time of the fire door. The fiber layer structure of the aerogel felt is also very effective in blocking noise. In addition, after the inorganic foam fireproof board is combined with the aerogel felt, the overall shock resistance and impact resistance of the door core can be effectively improved. The panel layer of the fireproof door leaf of the utility model is composed of an outer layer of density board and an inner layer of magnesium fireproof board. The outer MDF can be milled to improve the aesthetics of the door leaf. The inner layer of magnesium fireproof board can protect the frame of the door leaf and ensure the fire resistance integrity of the fireproof door.

Only the preferred embodiments of the present utility model have been described in detail above, but the present utility model is not limited to the above-mentioned embodiments, and within the scope of knowledge possessed by those of ordinary skill in the art, it is also possible to do so without departing from the purpose of the present utility model. Various changes are made below, and all changes should be included within the protection scope of the present invention.

Claims (9)

1. The utility model provides an aerogel felt is compound prevents fire door leaf structure which characterized in that: including fire door leaf skeleton (1), prevent fire door leaf sheet layer (2) and fire door core (3), fire door leaf skeleton (1) intussuseption is filled with fire door core (3), the both sides of fire door core (3) cover has fire door leaf panel layer (2), fire door core (3) are including inorganic foaming PLASTIC LAMINATED (301) and aerogel felt (302), inorganic foaming PLASTIC LAMINATED (301) are provided with two-layerly, aerogel felt (302) set up between two-layer inorganic foaming PLASTIC LAMINATED (301) or set up the back of the body fire face at inorganic foaming PLASTIC LAMINATED (301).

2. The aerogel blanket composite fire rated door leaf structure of claim 1, wherein: the fireproof door leaf framework (1) adopts a structure shaped like a Chinese character 'ri' or a Chinese character 'mu'.

3. The aerogel blanket composite fire rated door leaf structure of claim 1, wherein: the fireproof door leaf panel layer (2) comprises a density board (201) and a magnesium fireproof board (202), the magnesium fireproof board (202) is arranged on the outer side of the fireproof door core (3), and the density board (201) is arranged on the outer side of the magnesium fireproof board (202).

4. The aerogel blanket composite fire rated door leaf structure of claim 1, wherein: the inorganic foaming fireproof plate (301) adopts a foaming magnesium oxyhalide plate or a foaming magnesium oxysulfide plate, and the thickness of the inorganic foaming fireproof plate (301) ranges from 5mm to 40 mm.

5. The aerogel blanket composite fire rated door leaf structure of claim 1, wherein: the aerogel blanket (302) has a thickness in the range of 3-15 mm.

6. The aerogel blanket composite fire rated door leaf structure of claim 3, wherein: the density board (201) is a medium density board, and the thickness range of the density board (201) is 3-10 mm.

7. The aerogel blanket composite fire rated door leaf structure of claim 3, wherein: the density board (201) is a milling type density board.

8. The aerogel blanket composite fire rated door leaf structure of claim 1, wherein: the fireproof door leaf framework (1), the fireproof door leaf plate layer (2) and the fireproof door core (3) are bonded by adopting high-temperature-resistant fireproof glue.

9. The aerogel blanket composite fire rated door leaf structure of claim 1, wherein: the fireproof door leaf framework (1) is made of flame-retardant wood.

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