CN206174812U - Door capable of insulating heat and preventing fire - Google Patents

Abstract

A heat-insulating fire door solves the problems of low strength, poor heat insulation performance and easy deformation under high temperature conditions in the prior art. It includes a door leaf, a door frame, a fireproof hinge, a fireproof door closer, a fireproof door lock and a fireproof door mirror. Fireproof side panels are installed at both ends, and a partition panel is set between the fireproof side panels and the fireproof core panel; the fireproof core panel is composed of two layers of magnesite foam concrete fireproof boards and filled interlayers, and the fireproof side panels are made of phosphorus magnesium fireproof boards and foamed cement Composed of panels; the contact surface between the door frame and the door leaf is provided with a groove with heat conduction holes on the bottom surface, and a fireproof gasket is arranged in the groove; a fireproof expansion strip is arranged between the fireproof panel on the door side of the door and the door frame. The design is reasonable, the structure is compact, the heat insulation ability is strong, the fire performance is good, the deformation of the door body is small when it is damaged by high temperature, and the use is safe and reliable.

Description

Insulated Fire Door

technical field

The utility model belongs to the technical field of doors and windows, in particular to a heat-insulating fireproof door with strong heat insulation ability, capable of avoiding high-temperature deformation of the door body, and good fireproof performance.

Background technique

Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and heat insulation, and are one of the necessary safety facilities for modern buildings. Existing fire doors are distinguished from materials, mainly containing three categories: wooden fire doors, iron fire doors and fiber fire doors. In addition to the function of ordinary doors, fire doors also have the function of preventing the spread of fire and smoke. It can prevent the spread of fire within a certain period of time and ensure the safe evacuation of personnel. Wooden fire doors are widely used for their lightness, low cost, and tight closure. The fire doors of the prior art mainly rely on the lining perlite to be flame retardant to achieve the purpose of fire prevention. The overall structure of the wooden fire doors is extremely simple and easy to manufacture. But the wooden fireproof door panel of prior art is common wooden board, once break out of fire wooden fireproof door, though can play the purpose of fireproofing, but panel is easily damaged by fire, will repair or even replace afterwards, has increased the loss that fire causes.

Heat-insulating fire doors are common fire-proof and heat-insulating components that can be opened and closed in various buildings. The heat-insulated fire doors that meet the requirements should have good performance in high temperature resistance, heat resistance and smoke penetration prevention, and at the same time do not affect the normal use. However, most of the heat-insulating fire doors used now have low strength, poor heat insulation performance, and are prone to deformation under high temperature conditions, so it is necessary to improve the heat-insulation fire doors of the prior art.

Utility model content

The utility model aims at the above-mentioned problems, and provides a heat-insulating fireproof door with strong heat insulation ability, capable of avoiding high-temperature deformation of the door body, and good fireproof performance.

The technical scheme adopted by the utility model is: the heat-insulated fire door includes a door leaf, a door frame, a fire hinge, a fire door closer, a fire door lock and a fire door mirror, and it is characterized in that: the door leaf includes The fireproof panel, and the fireproof core board set between the fireproof panels on both sides, the two ends of the fireproof core board on the door lock side and the hinge side are respectively provided with fireproof side boards, and a partition board is arranged between the fireproof side board and the fireproof core board The fireproof core board is composed of two layers of magnesite foam concrete fireproof boards, and a filling interlayer is arranged between the two layers of magnesite foam concrete fireproof boards, and the fireproof side boards are composed of phosphorus magnesium fireproof boards and foamed cement boards interlaced A groove is provided on the matching contact surface between the door frame and the periphery of the door leaf, the bottom surface of the groove is provided with a heat conduction hole, and a fireproof gasket is arranged in the groove; the door leaf is located between the fireproof panel and the doorframe on one side of the room Fireproof expansion strips are provided, and the fireproof expansion strips are arranged on the door frame.

The fireproof side panels are formed by stacking three layers of phosphorus magnesium fireproof boards and two layers of foamed cement boards. In order to strengthen the anti-deformation ability of the periphery of the door leaf under high temperature conditions, and improve the overall strength of the door leaf.

0.5mm thick inorganic decorative panels are arranged on the outer sides of the fireproof panels on both sides of the door leaf. To prevent unreasonable damage to the surface of the fireproof panel and increase the aesthetics.

The thickness of the phosphorus magnesium fireproof board constituting the fireproof side board is 8mm, and the thickness of the foamed cement board is 25mm.

The thickness of the fireproof panels on both sides of the door leaf is 3-5 mm.

The material of the door frame is a cold-rolled steel plate with a thickness of 2.0 mm. To improve the overall strength of the door frame.

Beneficial effects of the utility model: Since the utility model adopts a door leaf composed of fireproof panels located on both sides of the outdoor and indoor sides, and a fireproof core board between the fireproof panels on both sides, the fireproof core board is located on the two sides of the door lock side and the hinge side. The fireproof side panels are arranged at the ends respectively, and the spacer panels are set between the fireproof side panels and the fireproof core panel; The fireproof board and the foamed cement board are stacked alternately; the contact surface between the door frame and the door leaf is provided with a groove with heat conduction holes on the bottom surface, and a fireproof gasket is arranged in the groove; the door leaf is located on the indoor side of the fireproof panel and the door frame. There is a structure of fireproof expansion rubber strips between them, so the design is reasonable, the structure is compact, the heat insulation ability is strong, the fireproof performance is good, the door body deformation is small when it is damaged by high temperature, and the use is safe and reliable.

Description of drawings

Fig. 1 is a kind of structural representation of the utility model.

Fig. 2 is a cross-sectional view along line A-A of Fig. 1 .

FIG. 3 is a partially enlarged view of FIG. 2 .

Description of serial numbers in the figure: 1 door leaf, 2 door frame, 3 fire-proof door closer, 4 fire-proof door lock, 5 fire-proof door mirror, 6 fire-proof hinge, 7 fire-proof panel, 8 fire-proof side board, 9 partition board, 10 fire-proof core board, 11 Magnesite foam concrete fireproof board, 12 filled interlayer, 13 phosphorus magnesium fireproof board, 14 foam cement board, 15 groove, 16 heat conduction hole, 17 fireproof gasket, 18 fireproof expansion strip.

detailed description

The specific structure of the utility model is explained in detail according to Fig. 1-3. The heat-insulated fire door includes a door leaf 1, a door frame 2, a fireproof hinge 6 connected between the door leaf 1 and the door frame 2, and a fireproof door closer 3 provided between the upper side of the door leaf 1 near the fireproof hinge 6 and the upper part of the door frame 2, The fireproof door lock 4 arranged on one side of the door leaf 1, and the fireproof door mirror 5 arranged in the middle and upper part of the door leaf 1, wherein the door leaf 1 is composed of fireproof panels 7 located on both sides of the outdoor and indoor, and between the fireproof panels 7 on both sides Fireproof core board 10 constitutes. The thickness of the fireproof panels 7 on both sides of the door leaf 1 is 3-5 mm. In order to prevent the surface of the fireproof panel 7 from being damaged for no reason and to increase the aesthetics, the outside of the fireproof panel 7 on both sides of the door leaf 1 is provided with a 0.5mm thick inorganic decorative panel. The fireproof core panels 10 arranged between the fireproof panels 7 on both sides are located at the two ends of the door lock side and the hinge side, and are respectively provided with fireproof side panels 8 for enhancing the high-temperature deformation resistance around the door leaf 1; the fireproof side panels 8 on both sides Between the end of the fireproof core board 10, there is an elastic partition plate 9 for absorbing the expansion energy of the fireproof filling material.

The fireproof core board 10 arranged between the fireproof panels 7 on both sides is composed of two layers of magnesite foam concrete fireproof boards 11 and a perlite material filled interlayer 12 arranged between the two layers of magnesite foam concrete fireproof boards 11 . The fireproof side panels 8 provided at both ends of the fireproof core board 10 are composed of three layers of phosphorus and magnesium fireproof boards 13 and two layers of foamed cement boards 14, which are laminated with fireproof glue to strengthen the deformation resistance of the periphery of the door leaf 1 under high temperature conditions. ability, and improve the overall strength of the door leaf 1. According to specific usage requirements, the thickness of the phosphorus magnesium fireproof board 13 constituting the fireproof side board 8 is 8 mm, and the thickness of the foamed cement board 14 is 25 mm.

The contact surface between the door frame 2 and the door leaf 1 is provided with a strip-shaped groove 15, and the bottom surface of the groove 15 is provided with several heat conduction holes 16 for enhancing the heat insulation effect of the joint between the door frame 2 and the door leaf 1. The shape of the heat conduction hole 16 can be circular or long. A fireproof gasket 17 is arranged in the groove 15, and the fireproof gasket 17 protrudes from the groove 15; when the door leaf 1 is closed, the side of the door leaf 1 will press the fireproof gasket 17, so that the The gap between the door leaf 1 and the door frame 2 is closed to improve the performance of fire prevention and smoke prevention. The door leaf 1 is located between the fireproof panel 7 on the indoor side and the door frame 2, and a fireproof expansion strip 18 is arranged on the doorframe 2 to further prevent the fire from spreading and the smoke from spreading. Play a better fire effect. In order to improve the overall strength of the door frame 2, the material of the door frame 2 is a cold-rolled steel plate with a thickness of 2.0 mm.

During use, the door leaf 1 is installed on the door frame 2 through the fireproof hinge 6 arranged on the side of the door leaf 1 . When encountering a fire, the 3-5mm thick fireproof panels 7 on both sides of the door leaf 1 have strong deformation resistance; the fireproof core board 10 structure of the perlite-filled interlayer 12 material is set between the two layers of magnesite foam concrete fireproof boards 11 , has strong heat insulation ability and compressive strength, so that the whole door leaf 1 has good heat insulation performance and strong deformation resistance in the fire process. In addition, the two ends of the fireproof core board 10 are provided with fireproof side panels 8 composed of three layers of 8mm thick phosphorus magnesium fireproof boards 13 and two layers of 25mm thick foam cement boards 14. The effective combination of 13 and foamed cement board 14 can better strengthen the deformation resistance around the door leaf 1 under high temperature conditions. In order to avoid the problem that the periphery of the door leaf 1 first deforms under the high temperature of the fire, which affects the heat insulation effect of the entire door leaf 1 .

The elastic partition plate 9 arranged between the end of the fireproof core board 10 and the fireproof side boards 8 on both sides can absorb the fireproof filling material to a certain extent when the filling material in the fireproof core board 10 and the fireproof side board 8 is deformed by heating. Expansion energy, thereby reducing the deformation of the door leaf 1 in a fire, achieving the purpose of preventing the spread of the fire within a certain period of time, achieving a better fire prevention effect, and slowing down the spread of the fire and the spread of smoke. The circular or elongated heat conduction holes 16 on the bottom surface of the groove 15 provided on the door frame 2 help conduct heat to the door frame 2 when the door leaf is heated, so as to enhance the heat insulation effect of the joint between the door frame 2 and the door leaf 1.

According to the needs of use, the model of the fire door closer 3 provided between the upper outer part of the door leaf 1 and the upper part of the door frame 2 can be GA93-3CIII (B3W). When a fire occurs, the door leaf 1 can be closed in time and an alarm will be issued. The fire door lock 4 that is arranged on one side of the door leaf 1 can adopt the FSCA-818-9068 type lockset with dual functions of fire prevention and anti-theft. The fireproof hinge 6 that is connected between door leaf 1 and doorframe 2 can adopt 5 inch (III) type hinge hinges. The fireproof door mirror 5 arranged on the door leaf 1 top can be a ZJA-M200 type intelligent door mirror, which is provided with an infrared night vision ultra-wide-angle camera, a voice alarm, and a thermal induction detector.

Claims (6)

1. A heat-insulated fireproof door, including a door leaf (1), a door frame (2), a fireproof hinge (6), a fireproof door closer (3), a fireproof door lock (4) and a fireproof door mirror (5), its features That is: the door leaf (1) includes fireproof panels (7) located on both sides of the outdoor and indoor, and a fireproof core board (10) arranged between the fireproof panels (7) on both sides, and the fireproof core board (10) is located on the door lock The two ends of the side and the hinge side are respectively provided with a fireproof side plate (8), and a spacer plate (9) is set between the fireproof side plate (8) and the fireproof core plate (10); the fireproof core plate (10) consists of two Two layers of magnesite foam concrete fireproof boards (11), a filling interlayer (12) is arranged between two layers of magnesite foam concrete fireproof boards (11), and the fireproof side boards (8) are composed of phosphorus magnesium fireproof boards (13) and Foamed cement boards (14) are interleaved and stacked; grooves (15) are provided on the contact surface of the door frame (2) and the periphery of the door leaf (1), and heat conduction holes (16) are provided on the bottom surface of the grooves (15). ), the groove (15) is provided with a fireproof gasket (17); the door leaf (1) is provided with a fireproof expansion strip (18) between the fireproof panel (7) on the indoor side and the door frame (2), The fireproof expansion strip (18) is arranged on the door frame (2). 2. The heat-insulated fireproof door according to claim 1, characterized in that: the fireproof side panel (8) is composed of three layers of phosphorus and magnesium fireproof boards (13) and two layers of foamed cement boards (14). become. 3. The heat-insulated fireproof door according to claim 1, characterized in that: the outer sides of the fireproof panels (7) on both sides of the door leaf (1) are provided with 0.5mm thick inorganic decorative panels. 4. The heat-insulated fireproof door according to claim 1, characterized in that: the thickness of the phosphorus magnesium fireproof board (13) forming the fireproof side board (8) is 8 mm, and the thickness of the foamed cement board (14) is 25mm. 5. The heat-insulated fireproof door according to claim 1, characterized in that: the thickness of the fireproof panels (7) on both sides of the door leaf (1) is 3-5 mm. 6. The heat-insulating fire door according to claim 1, characterized in that: the material of the door frame (2) is a cold-rolled steel plate with a thickness of 2.0 mm.