CN201436360U - Steel heat-insulation fireproof door - Google Patents

Abstract

The utility model relates to a door technical field for the building especially relates to steel is thermal-insulated prevents fire door, and it includes the door leaf, the door leaf include from outer and interior steel panel, base plate and the door core that closely sets gradually, the base plate is PLASTIC LAMINATED base plate, the door core comprises upper flame retardant sheet system high keel frame, intermediate level fire proof board layer and lower floor's PLASTIC LAMINATED system high keel frame in proper order. The base plate and the door core plate of the utility model achieve the fireproof performance by utilizing the incombustibility of the fireproof plate, and can effectively prevent the fire from spreading; the door core plate adopts a keel frame structure consisting of an upper-layer fireproof-plate high keel frame, a middle-layer fireproof plate layer and a lower-layer fireproof-plate high keel frame, has high structural strength, and can play good heat insulation, sound insulation and heat preservation effects.

Description

Steel insulation fire door

Technical field:

The utility model belongs to the technical field of building doors, in particular to a steel heat-insulating fireproof door.

Background technique:

In response to the higher demand for fire protection performance of various buildings, especially high-rise buildings, and the update and improvement of national standards for fire doors, fire door products have developed rapidly. At present, the structure of fire door products on the market is mostly composed of materials such as perlite or vermiculite boards. The Chinese patent with application number 20062009299.7 discloses a fireproof door, which includes a door frame and a door leaf arranged on the door frame through a movable door shaft; the middle of the door leaf is a flame-retardant keel structure, and the two sides of the flame-retardant keel structure are respectively provided with flame-retardant layers. Steel plates are arranged on the outside of the two flame-retardant layers, and flame-retardant materials are filled in the gaps of the flame-retardant keel structure. The flame retardant material is perlite or flame retardant PVC particles and other materials. The fire doors of this kind of structure play a certain role in fire prevention in buildings, but they have the disadvantages of low structural strength and poor heat insulation performance, and the gaps of the flame retardant keel structure are filled with flame retardant materials, which makes the weight of the fire door heavy. , the production cost is high.

Utility model content:

The purpose of the utility model is to provide a steel heat-insulating fire-proof door with good fire prevention, heat insulation, sound insulation performance and high structural strength for the deficiencies of the prior art.

The utility model is realized by the following technologies:

The steel heat-insulated fire door includes a door leaf, and the door leaf includes a steel panel, a base board and a door core board closely arranged from the outside to the inside, the base board is a fireproof board base board, and the door core board The high keel framework made of fireproof boards, the middle fireproof board layer and the high keel framework made of lower fireproof boards are composed.

The steel panel is composed of an upper steel panel and a lower steel panel, the base board is composed of an upper base board and a lower base board, the upper steel panel is closely connected with the upper base board, and the lower steel panel is closely connected with the lower base board .

The upper-layer fire-proof board high profile frame is vertically distributed between the upper base layer and the middle layer of fire-resistant boards, and the lower-layer fire-proof board high-profile frame is vertically distributed between the lower base layer and the middle layer of fire-resistant boards.

The high dragon framework of the lower fireproof board is correspondingly arranged directly below the high dragon framework of the upper fireproof board.

The door leaf also includes a U-shaped door panel, the U-shaped door panel is arranged between the upper base plate and the lower base plate, the upper end of the U-shaped door panel is closely connected with the upper base plate, and the lower end of the U-shaped door panel is connected to the lower base The boards are tightly connected.

The door leaf also includes a U-shaped edge band, and the U-shaped edge band is arranged around the steel panel.

The beneficial effects of the utility model are: a steel heat-insulating fireproof door, which includes a door leaf, and the door leaf includes a steel panel, a base board and a door core board closely arranged from the outside to the inside, and the base board is a fireproof board The base board and the door core board are composed of the high dragon framework made of the upper fireproof board, the middle fireproof board layer and the high dragon skeleton made of the lower fireproof board. The base board and door core board of the utility model utilize the non-combustibility of the fireproof board to achieve fireproof performance, which can effectively prevent the fire from spreading; The keel frame structure made of high keel frame has high structural strength and can play a good role in heat insulation, sound insulation and heat preservation.

Description of drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the A-A sectional structure of Fig. 1;

FIG. 3 is a schematic diagram of a partially enlarged structure of FIG. 2;

Fig. 4 is the B-B sectional structure schematic diagram of Fig. 1;

FIG. 5 is a schematic diagram of a partially enlarged structure of FIG. 4 .

Reference signs:

1——door leaf 2——high dragon frame made of upper fireproof board

3——Middle layer fireproof board layer 4——High dragon frame made of lower fireproof board

5——The upper steel panel 6——The lower steel panel

7——The upper base board 8——The lower base board

9——U-shaped door panel 10——U-shaped edge banding

Detailed ways:

As shown in Figure 1-5, the steel heat-insulated fire door includes a door leaf 1, and the door leaf 1 includes a steel panel, a base panel and a door core panel that are tightly arranged from the outside to the inside, and the steel panel is formed by the upper layer The steel panel 5 and the lower steel panel 6 are composed, the base plate is composed of the upper base plate 7 and the lower base plate 8, the upper steel panel 5 is closely connected with the upper base plate 7, and the lower steel panel 6 is closely connected with the lower base plate 8 connect. Both the upper steel panel 5 and the lower steel panel 6 are made of steel plates with a thickness of about 0.8mm, and the steel plates have anti-corrosion properties at the same time, which can make the utility model more durable; the upper base plate 7 and the lower base plate 8 are both It is made of 5mm thick fireproof board, and the thickness can also be adjusted according to different needs.

The door core board is composed of the high dragon framework 2 made of the upper fireproof board, the middle fireproof board layer 3 and the high dragon skeleton 4 made of the lower fireproof board. The upper-layer fire-proof board-made high-profile skeleton 2 is vertically distributed between the upper-layer base board 7 and the middle fire-proof board layer 3, and the lower-layer fire-proof board-made high-profile frame 4 is vertically distributed between the lower base board 8 and the middle fire-proof board layer 3, The lower-layer fire-proof board-made tall frame 4 is correspondingly arranged directly below the upper-layer fire-proof board-made tall-frame 2 , the upper-layer fire-proof board-made tall frame 2 , the lower-layer high-wall frame 4 are composed of fire-proof boards, and the upper-layer fire-proof board-made height Dragon frame 2 and the high dragon frame 4 made of lower fireproof boards are all made of 15mm thick fireproof boards, and the thickness can also be adjusted according to different needs. The core board of the door adopts a hollow-core checkered dragon skeleton structure composed of the upper dragon frame 2 made of fireproof board, the middle fireproof board layer 3 and the lower fireproof board high dragon skeleton 4, which has high structural strength and can play a good heat insulation , Sound insulation and heat preservation effect.

The base board and door core board use the non-combustibility of the fireproof board to achieve fireproof performance. The fireproof board is a homogeneous composite board composed of magnesium oxide, magnesium chloride, perlite, calcium silicate and other materials. The fireproof board can effectively prevent the fire from spreading , while maintaining the mechanical properties of the corresponding sheet.

The door leaf 1 also includes a U-shaped door panel 9, the U-shaped door panel 9 is arranged between the upper base plate 7 and the lower base plate 8, the upper end of the U-shaped door panel 9 is closely connected with the upper base plate 7, and the U-shaped door panel 9 The lower end of the door is tightly connected with the lower base plate 8, and the U-shaped door panel 9 is made of steel plate, which acts as a frame around the door leaf 1, plays a good role in supporting and fixing, and can improve the structural strength of the present utility model.

The door leaf 1 also includes a U-shaped edge band 10, which is arranged around the steel panel. The U-shaped edge band 10 is made of a steel plate. The U-shaped edge band 10 firmly seals the steel panel around Tight, so that the structural strength of the utility model is higher.

The utility model satisfies the requirements of the market for high fire prevention and high heat insulation of fire door products, and meets the safety and energy-saving requirements of users for fire door products.

The above-mentioned embodiment is only a preferred mode of the present utility model, and its outstanding feature is to use the fireproof performance of the fireproof board to make the filling part of the fireproof door core in the form of a hollow checkered keel, not to limit the scope of implementation of the present utility model Therefore, all equivalent changes made according to the similar structure, features and principles described in the patent scope of the utility model or the modification of the surface decoration and the application to other types of fire door products shall include the utility model patent application. within range.

Claims (6)

1. Steel heat-insulating fire door, which includes a door leaf (1), characterized in that: the door leaf (1) includes a steel panel, a base board and a door core board arranged closely in sequence from the outside to the inside, and the base board The board is a base board of a fireproof board, and the door core board is composed of a high dragon frame (2) made of an upper fireproof board, a middle fireproof board layer (3) and a high dragon skeleton (4) made of a lower fireproof board. 2. The steel heat insulation fire door according to claim 1, characterized in that: the steel panel is composed of an upper steel panel (5) and a lower steel panel (6), and the base board is composed of an upper base board ( 7) and the lower base plate (8), the upper steel panel (5) is closely connected with the upper base plate (7), and the lower steel panel (6) is closely connected with the lower base plate (8). 3. The steel heat-insulated fireproof door according to claim 2, characterized in that: said upper layer of fireproof boards made of high dragon frame (2) is vertically distributed on the upper layer of base board (7) and the middle layer of fireproof board (3) In between, the lower-layer fire-proof board system high dragon frame (4) is vertically distributed between the lower-layer base board (8) and the middle-layer fire-proof board layer (3). 4. The heat-insulated fireproof door made of steel according to claim 3, characterized in that: the lower-layer fire-proof board frame (4) is correspondingly arranged directly below the upper-layer fire-proof board frame (2). 5. The steel heat-insulated fireproof door according to claim 2, characterized in that: the door leaf (1) also includes a U-shaped door panel (9), and the U-shaped door panel (9) is arranged on the upper base plate (7) and the lower base plate (8), the upper end of the U-shaped door panel (9) is closely connected with the upper base plate (7), and the lower end of the U-shaped door panel (9) is closely connected with the lower base plate (8) . 6. The steel heat-insulated fireproof door according to claim 1, characterized in that: the door leaf (1) also includes a U-shaped edge band (10), and the U-shaped edge band (10) is set on the steel around the panel.

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