Multifunctional steel fire door

Abstract

The utility model provides a multifunctional steel fireproof door, comprising a steel fireproof door panel and a steel structure door frame, wherein the steel fireproof door panel is movably connected to the steel structure door frame through a hinge joint; the steel fireproof door panel is composed of two double-layer steel plate fireproof surfaces, a mineral wool panel, a fireproof and heat-insulating inner panel and a plurality of structural reinforcement connecting blocks, the mineral wool panel is combined with the fireproof and heat-insulating inner panel through the structural reinforcement connecting block, the mineral wool panel and the fireproof and heat-insulating inner panel are respectively connected to the two double-layer steel plate fireproof surfaces, and the two double-layer steel plate fireproof surfaces are combined into a welded whole; the utility model connects the nylon protective cover by arranging a flip connecting rubber strip in the middle of one side of the steel structure door frame, and an SOS emergency calling machine with an antenna is arranged inside the nylon protective cover, which can make an emergency call when the fire is large and people are trapped, so as to facilitate rescue personnel to locate the trapped people in time, improve the ability of rapid rescue and improve the function of safe rescue.

Description

Technical Field

[0001] The utility model belongs to the technical field of fireproof doors and relates to a multifunctional steel fireproof door. Background Art

[0002] Steel doors are made of surface-treated steel profiles through cutting, punching, milling, tapping, and other processing techniques, and then assembled with connectors, sealing materials, and opening and closing hardware accessories to form a door frame component. Doors on the market that use steel as the base material of the load-bearing rod and are composited with wood, plastic and other products are called steel-wood composite doors or steel-plastic composites; due to the high hardness of steel, it has certain fire resistance when a fire occurs, and is often used as a fire door, and is a mid-to-high-end fire door; Patent No. CN202120070826.0 discloses a A new type of multifunctional steel fire door relates to the field of fire doors. The technical solution is to arrange a baffle in an empty groove, a movable plate under the baffle, a spring at the bottom of the movable plate, a drawstring fixedly connected to the bottom of the movable plate, a connecting belt inserted in a limiting ring fixedly connected to the bottom of the drawstring, both ends of the connecting belt are connected to a reaction plate, the material of the reaction plate is polytetrafluoroethylene plastic, when a fire occurs, the polytetrafluoroethylene plastic is gasified, the limit of the movable plate is released, and the movable plate drives the baffle to move upward under the action of the spring, thereby avoiding damage to personnel caused by heat explosion of glass.

[0003] The above-mentioned fire doors disclosed herein have the following disadvantages: they do not truly embody multifunctionality, and the fire has already spread when the fire doors are in use, and the fire doors lack an emergency call function. Therefore, we design a multifunctional steel fire door. Summary of the invention

[0004] The purpose of the utility model is to provide a multifunctional steel fireproof door to solve the problems raised in the above background technology.

[0005] The purpose of the utility model can be achieved through the following technical solutions: a multifunctional steel fireproof door, comprising a steel fireproof door panel and a steel structure door frame, wherein the steel fireproof door panel is movably connected to the steel structure door frame through a hinge joint;

[0006] The steel fireproof door panel is composed of two double-layer steel plate fireproof surfaces, a mineral wool board, a fireproof heat-insulating inner board and a plurality of structural reinforcement connection blocks. The mineral wool board is combined with the fireproof heat-insulating inner board through the structural reinforcement connection block. The mineral wool board and the fireproof heat-insulating inner board are respectively connected to the two double-layer steel plate fireproof surfaces, and the two double-layer steel plate fireproof surfaces are welded together into a whole.

[0007] A flip connection rubber strip is arranged in the middle of one side of the steel structure door frame, a nylon protective cover is connected to one side of the flip connection rubber strip, an SOS emergency call machine is arranged inside the nylon protective cover, and an antenna is arranged at the top of the SOS emergency call machine.

[0008] In the above multifunctional steel fireproof door, an observation window is provided on one side of the front of the steel fireproof door panel, and fireproof and explosion-proof glass is provided inside the observation window. The purpose of such arrangement is to facilitate observation through the observation window, to facilitate better observation of the spread of fire, and to be able to make early warnings in a timely manner.

[0009] In the above-mentioned multifunctional steel fireproof door, a foldable heat-insulating rolling curtain is movably arranged at the bottom of the observation window, and a sliding adsorption connection block is arranged at the top of the foldable heat-insulating rolling curtain, and the sliding adsorption connection block is adsorbed and connected to the top of the observation window. The purpose of such arrangement is that when the fire temperature is too high, the foldable heat-insulating rolling curtain can be unfolded through the sliding adsorption connection block, which is convenient for protecting the fireproof and explosion-proof glass and avoiding the hot air passing through the gap between the glass and the observation window to cause harm to personnel.

[0010] In the above multifunctional steel fireproof door, a smoke filter cartridge is embedded and installed on the top of the front of the steel fireproof door panel, a multi-porous ceramic blocking column is arranged at the smoke head end of the smoke filter cartridge, a first cotton filter plate is arranged at one end of the multi-porous ceramic blocking column, and a second cotton filter plate is arranged on one side of the first cotton filter plate. The purpose of such arrangement is to filter the smoke and prevent the smoke from entering the front side of the steel fireproof door panel, thereby achieving good air flow efficiency.

[0011] In the above multifunctional steel fire door, an activated carbon filter plate is arranged at one end of the second cotton filter plate, and the activated carbon filter plate is clamped and arranged at the smoke tail end of the smoke filter cartridge. The purpose of such arrangement is to facilitate the full filtering of smoke, so that when a fire occurs, people on the front side of the steel fire door plate can have sufficient air flow to avoid breathing difficulties caused by poor air flow.

[0012] In the above-mentioned multifunctional steel fireproof door, a mechanical door lock is arranged on the other side of the front of the steel fireproof door panel, so as to facilitate closing in the daily use stage, and enable quick opening and locking.

[0013] Compared with the prior art, the advantages of the multifunctional steel fireproof door of the utility model are as follows: by arranging a flip connection strip in the middle of one side of the steel structure door frame to connect the nylon protective cover, an SOS emergency calling machine with an antenna is arranged inside the nylon protective cover, which can make an emergency call when the fire is large and people are trapped, so that rescuers can find the position of trapped people in time, improve the ability of rapid rescue and improve the function of safe rescue; by arranging a smoke filter cartridge, a porous ceramic blocking column, a first cotton filter plate, a second cotton filter plate and an activated carbon filter plate, smoke can be filtered and the smoke can be filtered to avoid smoke. Entering the front side of the steel fireproof door panel, it has good air flow efficiency, so that the people on the front side of the steel fireproof door panel can have sufficient air flow to avoid breathing difficulties caused by poor air flow; by arranging a foldable insulation roller blind at the bottom of the observation window, a sliding adsorption connection block is arranged on the top of the foldable insulation roller blind, and the sliding adsorption connection block is adsorbed and connected with the top of the observation window, when the fire temperature is too high, the foldable insulation roller blind can be unfolded through the sliding adsorption connection block, which is convenient for protecting the fireproof and explosion-proof glass and avoiding hot air from passing through the gap between the glass and the observation window to cause harm to personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model multifunctional steel fireproof door.

[0015] Figure 2 The utility model is a schematic diagram of the composition structure of a multifunctional steel fireproof door and a steel fireproof door panel.

[0016] Figure 3 The utility model is a three-dimensional structural schematic diagram of a multifunctional steel fire door SOS emergency calling machine.

[0017] Figure 4 The utility model is a three-dimensional structural schematic diagram of a multifunctional steel fire door smoke filter cartridge.

[0018] In the figure, 1. Steel fireproof door panel; 101. Double-layer steel plate fireproof surface; 102. Mineral wool board; 103. Fireproof and heat-insulating inner panel; 104. Structural reinforcement connection block; 2. Steel structure door frame; 3. Mechanical door lock; 4. Observation window; 5. Fireproof and explosion-proof glass; 6. Sliding adsorption connection block; 7. Foldable insulation roller curtain; 8. Nylon protective cover; 9. Smoke filter cartridge; 10. Porous ceramic blocking column; 11. First cotton filter plate; 12. Second cotton filter plate; 13. Activated carbon filter plate; 14. Flip connection strip; 15. SOS emergency call machine; 16. Antenna. DETAILED DESCRIPTION

[0019] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model multifunctional steel fireproof door;

[0021] Embodiment: The technical solution includes a steel fireproof door panel 1 and a steel structure door frame 2, wherein the steel fireproof door panel 1 is movably connected to the steel structure door frame 2 through a hinge joint;

[0022] Among them, the steel fireproof door panel 1 of the present technical solution is composed of two double-layer steel plate fireproof surfaces 101, a mineral wool board 102, a fireproof and heat-insulating inner panel 103 and a plurality of structural reinforcement connecting blocks 104. The mineral wool board 102 is combined with the fireproof and heat-insulating inner panel 103 through the structural reinforcement connecting block 104. The mineral wool board 102 and the fireproof and heat-insulating inner panel 103 are respectively connected to the two double-layer steel plate fireproof surfaces 101 and the two double-layer steel plate fireproof surfaces 101 are combined into a welded whole; in this way, the weight of the steel fireproof door panel 1 itself can be reduced without affecting the overall fireproof performance and heat insulation effect.

[0023] A flip connection rubber strip 14 is arranged in the middle of one side of the steel structure door frame 2, one side of the flip connection rubber strip 14 is connected to a nylon protective cover 8, an SOS emergency call machine 15 is arranged inside the nylon protective cover 8, and an antenna 16 is arranged at the top of the SOS emergency call machine 15.

[0024] In this embodiment, in order to facilitate better observation and avoid the hot air passing through the gap between the fireproof and explosion-proof glass 5 and the observation window 4 to cause harm to personnel, an observation window 4 is opened on one side of the front of the steel fireproof door panel 1, and the inside of the observation window 4 is provided with a fireproof and explosion-proof glass 5. A foldable heat-insulating roller blind 7 is movably provided at the bottom of the observation window 4, and a sliding adsorption connection block 6 is provided at the top of the foldable heat-insulating roller blind 7, and the sliding adsorption connection block 6 is adsorbed and connected to the top of the observation window 4.

[0025] In this embodiment, in order to ensure the smoke filtering effect, so that the air on the front of the steel fireproof door panel 1 and the outside can circulate, and to prevent the entry of smoke from causing air pollution, a smoke filter cartridge 9 is embedded and installed on the top of the front of the steel fireproof door panel 1, and a porous ceramic blocking column 10 is provided at the smoke head end of the smoke filter cartridge 9, and a first cotton filter plate 11 is provided at one end of the porous ceramic blocking column 10, and a second cotton filter plate 12 is provided on one side of the first cotton filter plate 11; an activated carbon filter plate 13 is provided at one end of the second cotton filter plate 12, and the activated carbon filter plate 13 is clamped and arranged at the smoke tail end of the smoke filter cartridge 9.

[0026] The activated carbon filter plate 13 is installed by snap-fitting, which is convenient for replacing filter element components such as the porous ceramic blocking column 10, the first cotton filter plate 11, and the second cotton filter plate 12.

[0027] In this embodiment, in order to close, open and lock quickly during daily use, a mechanical door lock 3 is provided on the other side of the front of the steel fireproof door panel 1. In order to realize the normally closed design of the steel fireproof door panel 1, the steel fireproof door panel 1 is installed with a hydraulic damper (need to be connected to the wall), which can realize the automatic reset of the steel fireproof door panel 1.

[0028] Usage: The steel structure door frame 2 needs to be connected to the wall, and the steel fireproof door panel 1 is movably connected to the steel structure door frame 2 through a hinge joint. A hydraulic damper can also be installed on the steel fireproof door panel 1 (needs to be connected to the wall), which can realize the automatic resetting of the steel fireproof door panel 1. The steel fireproof door panel 1 consists of two double-layer steel plate fireproof surfaces 101, a mineral wool board 102, a fireproof and heat-insulating inner panel 103 and a plurality of structural reinforcement connecting blocks 104. The specific connection method and position relationship can be seen from the attached figure. The fireproof and heat-insulating inner panel 103 is made of high temperature resistant and non-flammable materials such as rock wool and aluminum silicate.

[0029] In the present technical solution, in order to have an emergency call function, a flip connection rubber strip 14 is arranged in the middle of one side of the steel structure door frame 2 to connect the nylon protective cover 8, and an SOS emergency call machine 15 with an antenna 16 is arranged inside the nylon protective cover 8. The SOS emergency call machine 15 is connected to the management platform of the building where it is located, and can make an emergency call when the fire is large and people are trapped, so that rescuers can find out the position of trapped people in time, improve the ability of rapid rescue and improve the function of safe rescue;

[0030] In the present technical scheme, in order to have the function of filtering smoke and allow the air on the front side of the steel fireproof door panel 1 and the outside to circulate, a smoke filter cartridge 9, a porous ceramic blocking column 10, a first cotton filter plate 11, a second cotton filter plate 12, an activated carbon filter plate 13 and the like are arranged. As a result, the smoke can be filtered and the smoke can be filtered to prevent the smoke from entering the front side of the steel fireproof door panel 1, thereby achieving good air flow efficiency, so that the people on the front side of the steel fireproof door panel 1 can have sufficient air flow to avoid breathing difficulties caused by poor air flow.

[0031] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A multifunctional steel fireproof door, comprising a steel fireproof door panel (1) and a steel structure door frame (2), characterized in that: The steel fireproof door panel (1) is movably connected to the steel structure door frame (2) via a hinge joint; The steel fireproof door panel (1) comprises two double-layer steel plate fireproof surfaces (101), a mineral wool board (102), a fireproof heat-insulating inner board (103) and a plurality of structural reinforcement connection blocks (104); the mineral wool board (102) is combined with the fireproof heat-insulating inner board (103) via the structural reinforcement connection blocks (104); the mineral wool board (102) and the fireproof heat-insulating inner board (103) are respectively connected to the two double-layer steel plate fireproof surfaces (101), and the two double-layer steel plate fireproof surfaces (101) are welded together into a whole; A flip connection rubber strip (14) is arranged in the middle of one side of the steel structure door frame (2), one side of the flip connection rubber strip (14) is connected to a nylon protective cover (8), an SOS emergency call machine (15) is arranged inside the nylon protective cover (8), and an antenna (16) is arranged at the top of the SOS emergency call machine (15).

2. The multifunctional steel fire door according to claim 1, characterized in that: An observation window (4) is provided on one side of the front face of the steel fireproof door panel (1), and fireproof and explosion-proof glass (5) is provided inside the observation window (4).

3. The multifunctional steel fire door according to claim 2, characterized in that: A foldable heat-insulating roller blind (7) is movably provided at the bottom of the observation window (4), a sliding adsorption connection block (6) is provided at the top of the foldable heat-insulating roller blind (7), and the sliding adsorption connection block (6) is adsorbedly connected to the top of the observation window (4).

4. The multifunctional steel fire door according to claim 1, characterized in that: A smoke filter cartridge (9) is embedded and installed on the top of the front side of the steel fireproof door panel (1), a multi-porous ceramic blocking column (10) is arranged at the smoke head end of the smoke filter cartridge (9), a first cotton filter plate (11) is arranged at one end of the multi-porous ceramic blocking column (10), and a second cotton filter plate (12) is arranged on one side of the first cotton filter plate (11).

5. The multifunctional steel fire door according to claim 4, characterized in that: An activated carbon filter plate (13) is arranged at one end of the second cotton filter plate (12), and the activated carbon filter plate (13) is clamped and arranged at the smoke tail end of the smoke filter cartridge (9).

6. The multifunctional steel fire door according to claim 1, characterized in that: A mechanical door lock (3) is arranged on the other side of the front side of the steel fireproof door panel (1).

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