Stainless steel heat insulation fireproof door

By setting up explosion-proof glass and smoke alarms in stainless steel thermally insulated fire doors, the problem of inability to observe internal conditions during fires and lack of smoke alarm functions in the prior art is solved, safe observation and timely alarms are achieved during fires, fire detection and treatment efficiency is improved, and the overall performance of fire doors is enhanced.

CN222909862UActive Publication Date: 2025-05-27SICHUAN GUOQIANG SPECIAL DOOR IND CO LTD
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Patent Information

Application Number
CN202421605712.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-05-27
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

The existing Class A stainless steel thermally insulated fire doors do not have glass windows installed, and the internal situation cannot be seen when a fire occurs, and there is no smoke alarm function, which leads to the inability to detect it in time during a fire.

Method used

A stainless steel thermally insulated fire door is designed, including door frames and door leaf components. Explosion-proof glass and smoke alarms are installed in the door leaf components. There are ring-shaped and equally spaced smoke inlet holes and battery slots on the smoke alarms to facilitate timely alarms in the early stages of fire.

Benefits of technology

By setting up explosion-proof glass and smoke alarms, the internal situation can be safely observed and alarms can be issued in a timely manner during a fire, improving the efficiency of fire detection and handling. At the same time, the use of multi-layer protective structures and stainless steel materials enhances the fireproof, heat insulation and sound insulation performance of fire doors.

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Abstract

The utility model relates to the technical field of heat insulation and fire prevention, in particular to a stainless steel heat insulation fireproof door which comprises a door frame and a door leaf assembly arranged in the door frame, hinges are symmetrically arranged on the right side of the front end of the door frame in an up-down mode, and the door leaf assembly comprises a shell and a smoke alarm arranged on the surface of the shell and close to the top end. A rectangular hole is formed in the middle of the door leaf assembly, anti-explosion glass is arranged in the rectangular hole and comprises a glass body, anti-explosion layers are arranged on the two sides of the glass body, a fireproof layer and heat insulation layers on the two sides of the fireproof layer are arranged in the shell, noise reduction cavities are formed in the outer sides of the two heat insulation layers, and the anti-explosion glass achieves protection cooperation in a fire disaster. Meanwhile, the condition of the opposite face of the door body is observed, the glass body is tightly bonded between the two anti-explosion layers, so that the firmness of the anti-explosion glass is enhanced, the anti-explosion layers are made of PVB film materials, and therefore the situation that fragments of the glass body burst to cause damage to the outside can be prevented; alarm can be given timely at the early stage of fire.
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Description

Technical Field

[0001] The utility model relates to the technical field of heat insulation and fire prevention, in particular to a stainless steel heat insulation and fire prevention door. Background Art

[0002] Stainless steel heat insulation fire door is a kind of safety door with heat insulation and fireproof function made of steel. It can effectively isolate the fire source and prevent the spread of fire when a fire occurs, ensure the evacuation of personnel, and also play the role of blocking noise and heat insulation in normal times. Non-combustible composite porous polyester fiber sound-absorbing board;

[0003] The utility model with announcement number CN218623969U provides a Class A stainless steel heat-insulating fireproof door, which relates to the technical field of fireproof doors, including a ring plate, a door frame is arranged inside the ring plate, a fireproof door body is hinged on one side wall of the inner side of the door frame, the other end of the fireproof door body is connected with the door frame buckle, and the inner walls on both sides of the ring plate and close to the other two side walls are provided with card slots, and the inner side of the door frame and close to the upper and lower walls are provided with square slots, and the two ends of the square slot are connected with connecting slots, and the fireproof door is installed on the door frame, and then the door frame is placed in the ring plate, and then the rotating rod is driven to rotate by rotating the turntable, and the rotating rod rotates to drive the gear, and the gear rotates and drives the moving plate to move by meshing with the teeth, and the movement of the moving plate indirectly drives the card block to be stuck in the card slot;

[0004] In the above technical solution, the turntable needs to be rotated in the opposite direction when the Class A stainless steel thermal insulation fire door is disassembled, which can facilitate the installation and disassembly of the fire door body and improve the installation and disassembly efficiency of the staff. However, the Class A stainless steel thermal insulation fire door is not equipped with a glass window, and the internal situation cannot be seen in the event of a fire. There is no smoke alarm function, and a fire cannot be discovered in time. Utility Model Content

[0005] The utility model aims to provide a stainless steel heat-insulating fireproof door to solve the problems raised in the above-mentioned background technology that the Class A stainless steel heat-insulating fireproof door has no glass window, the internal situation cannot be seen when a fire occurs, and there is no smoke alarm function, so a fire cannot be discovered in time.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A stainless steel heat-insulating fireproof door comprises a door frame and a door leaf assembly arranged inside the door frame, a sealing gasket is arranged on the inner wall of the door frame, and hinges are symmetrically arranged on the right side of the front end of the door frame, the door leaf assembly comprises an outer shell and a smoke alarm arranged on the surface of the outer shell near the top, a handle is arranged in the middle of the outer shell surface, a rectangular hole is opened in the middle of the door leaf assembly, explosion-proof glass is arranged inside the rectangular hole, and the rectangular hole is bonded and fixed to the explosion-proof glass, the explosion-proof glass comprises a glass body, explosion-proof layers are arranged on both sides of the glass body, a plurality of layers are arranged inside the outer shell, the plurality of layers comprise a fireproof layer and heat-insulating layers on both sides of the fireproof layer, and a sound-absorbing cavity is arranged on the outer sides of the two heat-insulating layers.

[0008] Preferably, the sealing gasket is bonded and fixed to the inner wall of the door frame, and the width of the sealing gasket is matched with the inner wall of the door frame.

[0009] In the utility model, the sealing gasket is made of rubber. The rubber has good elasticity and can provide a good sealing effect for the connection between the outer shell and the inner wall of the door frame. The bonding and fixing increase the structural strength of the sealing gasket and the door frame. The door frame is made of stainless steel and has the characteristics of high strength and not easy to deform. The door frame and the door leaf assembly are arranged to make the overall structure more solid, which helps to block noise and dust.

[0010] Preferably, one end of the hinge is fixedly connected to the door frame by screws, and the other end of the hinge is fixedly connected to the shell by screws, and the shell is rotatably connected to the door frame.

[0011] In the utility model, hinges are provided to realize rotational connection between the outer shell and the door frame, and the hinges help to maintain the stability of the position of the door leaf assembly. The screw fixed connection realizes timely disassembly and replacement of the hinges, and the rotation connection realizes convenient opening and closing of the door leaf assembly.

[0012] Preferably, the smoke alarm is fixedly connected to the housing by screws, the smoke alarm is provided with annular smoke inlet holes with equal spacing, the rear side of the smoke alarm is provided with a battery slot, the battery slot is fixedly connected to the battery, and the handle is fixedly connected to the housing by screws.

[0013] In the utility model, the screw fixed connection increases the structural stability of the smoke alarm and the shell, the smoke alarm is provided for the convenience of timely sounding the alarm at the initial stage of fire, the smoke alarm is provided with a speaker hole, the battery adopts a lithium battery type with a long service life and fast charging, and a battery slot is provided on the back for the convenience of timely replacement of the battery, the snap-on fixation facilitates the rapid removal of the battery, and the annular smoke inlet holes with equal spacing are provided for the convenience of quickly capturing the smoke to sound the alarm. When the smoke enters the smoke inlet hole, the internal alarm is immediately triggered, and the alarm diffuses the alarm sound through the speaker hole. At the same time, the smoke alarm flashes red light through the indicator light to remind the crowd to protect, and a handle is provided to provide a fulcrum for the opening and closing of the door leaf assembly. The screw fixed connection increases the structural strength of the handle and the shell.

[0014] Preferably, the explosion-proof layer is tightly bonded to the glass body, and the explosion-proof layer is adapted to the width of the glass body.

[0015] In the utility model, the explosion-proof layer is made of PVB film material. The explosion-proof layers are arranged on both sides to help protect the glass body. The bonding and fixation increase the structural strength of the explosion-proof layer and the glass body, so that the glass body will not scatter when it breaks, preventing the fragments from causing damage to the outside world.

[0016] Preferably, both sides of the fireproof layer are bonded and fixed to the heat insulation layer, the outer side of the heat insulation layer is bonded and fixed to the silencer cavity, and the outer side of the silencer cavity is bonded and fixed to the inner wall of the shell.

[0017] In the utility model, the fireproof layer is made of perlite board inorganic material. The fireproof layer is provided to help prevent the spread of fire and make the fire door more efficient when in use. The heat insulation layer is made of glass wool. The heat insulation layer is provided to help isolate heat when a fire occurs, and reduce the wear and tear of the fire door caused by temperature changes in daily life. The silencer cavity is made of non-combustible composite porous polyester fiber sound-absorbing board. At the same time, a plurality of circular holes are provided on the board to enhance the sound absorption and noise reduction performance. The silencer cavity can reduce noise and achieve sound insulation effect. Adhesive fixation helps to increase the overall structural strength of the silencer cavity, the heat insulation layer and the fireproof layer. The outer shell is made of stainless steel material. The stainless steel material has the characteristics of high strength and high temperature resistance. It can maintain structural integrity for a long time when a fire occurs, thereby increasing the escape time for the crowd. Adhesive fixation increases the overall structural strength of the outer shell and the internal multi-layer protective structure.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The utility model realizes protection cooperation in case of fire by setting explosion-proof glass, and at the same time observes the condition of the opposite side of the door body. The glass body is tightly bonded between the two explosion-proof layers to enhance the firmness of the explosion-proof glass. The explosion-proof layer uses PVB film material to prevent the glass body from bursting and causing damage to the outside. By opening annular smoke inlet holes with equal spacing on the smoke alarm, it is convenient to issue an alarm in time at the early stage of the fire. The battery slot is provided inside the smoke alarm to facilitate the timely replacement of the battery.

[0020] 2. The utility model achieves the fireproofing effect by providing a fireproofing layer of perlite board, and at the same time, the heat insulation layer and the silencer cavity in the outer shell can insulate and reduce the noise transmission, and the sealing gasket is provided to seal the door frame and the door leaf assembly, thereby blocking the smoke. With the dual cooperation of the outer shell of stainless steel material and the multi-layer protective structure, the stainless steel insulated fireproof door can withstand stronger impact force, and at the same time, it can maintain the structural integrity for a long time when a fire occurs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front view of the stainless steel heat-insulating fireproof door of the utility model;

[0022] Figure 2 This is a schematic diagram of the overall structure of the stainless steel heat-insulating fireproof door of the utility model;

[0023] Figure 3 It is a side view of the housing of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the door leaf assembly of the utility model;

[0025] Figure 5 This is a schematic diagram of the explosion-proof glass of the utility model;

[0026] Figure 6 This is a schematic diagram of the battery structure of the smoke alarm of the utility model;

[0027] The meaning of each number in the figure is:

[0028] 1. Door frame; 10. Sealing gasket; 11. Hinge;

[0029] 2. Door leaf assembly; 20. Outer shell; 201. Silence chamber; 202. Heat insulation layer; 203. Fireproof layer; 21. Smoke alarm; 210. Battery; 22. Explosion-proof glass; 220. Glass body; 221. Explosion-proof layer; 23. Handle. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-Figure 6 , this embodiment provides a technical solution:

[0032] A stainless steel heat-insulating fireproof door comprises a door frame 1 and a door leaf assembly 2 arranged inside the door frame 1, the door leaf assembly 2 comprises an outer shell 20 and a smoke alarm 21 arranged on the surface of the outer shell 20 near the top, a handle 23 is arranged in the middle of the surface of the outer shell 20, a rectangular hole is opened in the middle of the door leaf assembly 2, an explosion-proof glass 22 is arranged inside the rectangular hole, and the rectangular hole is bonded and fixed to the explosion-proof glass 22, the explosion-proof glass 22 comprises a glass body 220, explosion-proof layers 221 are arranged on both sides of the glass body 220, a plurality of layers are arranged inside the outer shell 20, the plurality of layers comprise a fireproof layer 203 and heat-insulating layers 202 on both sides of the fireproof layer 203, silencer cavities 201 are arranged on the outer sides of the two heat-insulating layers 202, the smoke alarm 21 is fixedly connected to the outer shell 20 by screws, the smoke alarm 21 is provided with annular smoke inlet holes with equal spacing, a battery slot is opened on the rear side of the smoke alarm 21, the battery slot is fixedly connected to the battery 210 by clamping, and the handle 23 is fixedly connected to the outer shell 20 by screws.

[0033] In the utility model, the screw fixed connection increases the structural stability of the smoke alarm 21 and the shell 20. The smoke alarm 21 is provided for the convenience of timely sounding the alarm at the early stage of a fire. The smoke alarm 21 is provided with a speaker hole. The battery 210 adopts a lithium battery type with a long service life and fast charging. A battery slot is provided on the back for the convenience of timely replacement of the battery 210. The snap-on fixation facilitates the rapid removal of the battery 210. The annular smoke inlet holes with equal spacing are provided for the convenience of quickly capturing smoke to sound an alarm. When smoke enters the smoke inlet holes, the internal alarm is immediately triggered, and the alarm diffuses the alarm sound through the speaker hole. At the same time, the smoke alarm 21 flashes red light through the indicator light to remind the crowd to protect themselves. The handle 23 is provided to provide a fulcrum for the opening and closing of the door leaf assembly 2. The screw fixed connection increases the structural strength of the handle 23 and the shell 20.

[0034] Among them, the explosion-proof layer 221 is tightly bonded to the glass body 220, the explosion-proof layer 221 is adapted to the glass body 220 in width, the two sides of the fireproof layer 203 are bonded and fixed to the heat insulation layer 202, the outer side of the heat insulation layer 202 is bonded and fixed to the silencer cavity 201, and the outer side of the silencer cavity 201 is bonded and fixed to the inner wall of the outer shell 20.

[0035] In the present invention, the explosion-proof layer 221 is made of PVB film material. The explosion-proof layers 221 on both sides are helpful to protect the glass body 220. The bonding and fixing increase the structural strength of the explosion-proof layer 221 and the glass body 220, so that the glass body 220 will not fly when it is broken, and the fragments are prevented from causing damage to the outside world. The fireproof layer 203 is made of perlite board inorganic material. The fireproof layer 203 is helpful to prevent the spread of fire, which can make the fireproof door more efficient when in use. The heat insulation layer 202 is made of glass wool. The heat insulation layer 202 is helpful to isolate heat when a fire occurs, and reduce the temperature in daily life. The wear and tear of the fire door caused by temperature changes, the silencing chamber 201 is made of a non-combustible composite porous polyester fiber sound-absorbing board, and a plurality of circular holes are arranged on the board to enhance the sound absorption and noise reduction performance. The silencing chamber 201 can reduce noise and thus achieve a sound insulation effect. Adhesive fixation helps to increase the overall structural strength of the silencing chamber 201, the insulation layer 202 and the fireproof layer 203. The outer shell 20 is made of stainless steel material. The stainless steel material has the characteristics of high strength and high temperature resistance. When a fire occurs, it can maintain the structural integrity for a long time, thereby increasing the escape time for the crowd. Adhesive fixation increases the overall structural strength of the outer shell 20 and the internal multi-layer protective structure.

[0036] Furthermore, a sealing gasket 10 is provided on the inner wall of the door frame 1 , and a hinge 11 is symmetrically provided on the right side of the front end of the door frame 1 . The sealing gasket 10 is bonded and fixed to the inner wall of the door frame 1 , and the width of the sealing gasket 10 is adapted to the inner wall of the door frame 1 .

[0037] In the utility model, the sealing gasket 10 is made of rubber. The rubber has good elasticity and can provide a good sealing effect for the connection between the outer shell 20 and the inner wall of the door frame 1. The bonding and fixing increase the structural strength of the sealing gasket 10 and the door frame 1. The door frame 1 is made of stainless steel and has the characteristics of high strength and not easy to deform. The door frame 1 is arranged to cooperate with the door leaf assembly 2 to make the overall structure more solid, which helps to block noise and dust.

[0038] It is worth adding that one end of the hinge 11 is fixedly connected to the door frame 1 by means of screws, and the other end of the hinge 11 is fixedly connected to the housing 20 by means of screws, and the housing 20 is rotatably connected to the door frame 1 .

[0039] In the utility model, a hinge 11 is provided to realize a rotational connection between the housing 20 and the door frame 1, and the hinge 11 helps to maintain the stability of the position of the door leaf assembly 2. The screw fixing connection realizes the timely disassembly and replacement of the hinge 11, and the rotational connection realizes the convenient opening and closing of the door leaf assembly 2.

[0040] When the stainless steel heat-insulating fireproof door of this embodiment is used, the fireproof layer 203 is first used to improve the fireproof performance of the stainless steel heat-insulating fireproof door, and then the heat-insulating layer 202 is bonded on both sides of the fireproof layer 203 to improve the heat-insulating performance of the stainless steel heat-insulating fireproof door, and the sound-absorbing cavity 201 is bonded on the outside of the heat-insulating layer 202 to improve the overall sound insulation performance, and the shell 20 is tightly bonded to the sound-absorbing cavity 201, the heat-insulating layer 202 and the fireproof layer 203 to increase the overall structural strength of the stainless steel heat-insulating fireproof door, and the glass body 220 is tightly bonded on both sides. The explosion-proof layer 221 prevents the fragments of the glass body 220 from bursting and causing external damage. The side wall of the explosion-proof glass 22 is bonded and fixed to the rectangular hole, the handle 23 is fixedly connected to the outer shell 20 by screws, the door frame 1 is fixed to the door opening by screws, and the right side of the door frame 1 is fixedly connected to one side of the hinge 11 by screws, and then the other side of the hinge 11 is fixedly connected to the door leaf assembly 2, and a sealing gasket 10 is bonded to the inner wall of the door frame 1, and the sealing gasket 10 seals the door frame 1 and the door leaf assembly 2, thereby blocking the smoke.

Claims

1. A stainless steel heat-insulating fireproof door, comprising a door frame (1) and a door leaf assembly (2) disposed inside the door frame (1), characterized in that: The inner wall of the door frame (1) is provided with a sealing gasket (10), and the front end of the door frame (1) is symmetrically provided with hinges (11) on the right side. The door leaf assembly (2) comprises an outer shell (20) and a smoke alarm (21) provided on the surface of the outer shell (20) near the top. A handle (23) is provided in the middle of the surface of the outer shell (20). A rectangular hole is opened in the middle of the door leaf assembly (2). An explosion-proof glass (22) is provided inside the rectangular hole, and the rectangular hole is bonded and fixed to the explosion-proof glass (22). The explosion-proof glass (22) comprises a glass body (220), and explosion-proof layers (221) are provided on both sides of the glass body (220). A plurality of layers are provided inside the outer shell (20), and the plurality of layers include a fireproof layer (203) and heat insulation layers (202) on both sides of the fireproof layer (203). A sound-absorbing cavity (201) is provided on the outer sides of the two heat insulation layers (202).

2. The stainless steel heat-insulating fireproof door according to claim 1, characterized in that: The sealing gasket (10) is bonded and fixed to the inner wall of the door frame (1), and the width of the sealing gasket (10) is adapted to the inner wall of the door frame (1).

3. The stainless steel heat-insulating fireproof door according to claim 1, characterized in that: One end of the hinge (11) is fixedly connected to the door frame (1) by means of screws, and the other end of the hinge (11) is fixedly connected to the outer shell (20) by means of screws; the outer shell (20) is rotatably connected to the door frame (1).

4. The stainless steel heat-insulating fireproof door according to claim 1, characterized in that: The smoke alarm (21) is fixedly connected to the housing (20) by means of screws, the smoke alarm (21) is provided with annular smoke inlet holes with equal spacing, a battery slot is provided on the rear side of the smoke alarm (21), the battery slot is fixedly engaged with the battery (210), and the handle (23) is fixedly connected to the housing (20) by means of screws.

5. The stainless steel heat-insulating fireproof door according to claim 1, characterized in that: The explosion-proof layer (221) is tightly bonded to the glass body (220), and the explosion-proof layer (221) is adapted to the width of the glass body (220).

6. The stainless steel heat-insulating fireproof door according to claim 1, characterized in that: The two sides of the fireproof layer (203) are bonded and fixed to the heat insulation layer (202), the outer side of the heat insulation layer (202) is bonded and fixed to the silencer cavity (201), and the outer side of the silencer cavity (201) is bonded and fixed to the inner wall of the outer shell (20).