Fireproof door with heat insulation protection function
By introducing a combined structure of smoke sensor, fire-proof concealed pipe and spraying water holes into the fire door, combining fire-proof insulation layer and nano-aerogel felt, the problem of overheating of the metal shell of the fire door during fire is solved, and the further development is achieved Excellent thermal insulation and safe escape conditions.
Patent Information
- Application Number
- CN202421676091.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-07-16
AI Technical Summary
The surface temperature of the existing fire doors is high during fire, which can easily cause scalding.
A fire door with thermal insulation protection was designed. By setting a smoke sensor, fire-proof concealed pipe and spraying water holes on the fire door panel, cold water spraying cooling is achieved by using the water pipes and water valves in the embedded wall, combining the metal shell and The fire-proof insulation layer of the fire-resistant door core plate includes nano-aerogel felt to enhance the insulation effect.
It effectively reduces the temperature of the fire-proof door panel, reduces the feeling of hotness when the user holds the door handle, and extends the escape and fire extinguishing time.
Smart Images
Figure CN222315004U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fireproof doors, and more particularly to a fireproof door with heat insulation protection. Background Art
[0002] In high-rise buildings, shopping malls, hospitals and other public buildings, fire doors are installed in places such as stairways to prevent the spread of fire and to quickly evacuate people. Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. Most of the existing fire doors rely on the metal shell of the fire door and the internal fireproof filling for fire protection. When a fire occurs, the surface temperature of the metal shell of the fire door is high due to the influence of temperature, which can easily cause burns to people. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the existing fire doors in the prior art that most of the existing fire doors rely on the metal shell of the fire door and the internal fireproof filler for fire protection. When a fire occurs, the surface temperature of the metal shell of the fire door is high due to the influence of temperature, which can easily cause burns to people. A fire door with heat insulation protection is provided to solve the above shortcomings.
[0004] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is:
[0005] The utility model discloses a fireproof door with heat insulation protection, comprising a fireproof frame and a fireproof door panel, wherein the fireproof door panel is connected in the fireproof frame by hinges, three pairs of fireproof concealed pipes are symmetrically arranged on both sides of the fireproof frame, the three pairs of fireproof concealed pipes are symmetrically arranged outside both sides of the fireproof door panel, one end of the fireproof concealed pipe is provided with a threaded interface, the threaded interface of the fireproof concealed pipe is connected to the threaded part of a water pipe joint pre-buried in the wall, the other end of the fireproof concealed pipe passes through the fireproof frame, and a water spraying hole is opened at the position of the fireproof concealed pipe on the fireproof frame.
[0006] Preferably, a smoke sensor is provided at the top of the fireproof frame, a fireproof door closer is provided at the upper end of the fireproof frame, the fireproof door closer is connected to the upper end of the fireproof door panel, and the gap between the fireproof frame and the wall is filled with a fireproof panel and fireproof sealant.
[0007] Preferably, the fireproof door panel is provided with two leaves, and a cover strip and a cover groove are respectively provided at the joint of the two fireproof door panels, the cover strip and the cover groove are engaged with each other, and a fireproof door lock is provided on the fireproof door panel provided with the cover strip.
[0008] Preferably, a fireproof glass window is provided in the middle of the fireproof door panel, a smoke-proof strip is provided in the gap between the fireproof door panel and the fireproof frame, the smoke-proof strip is connected to the inner wall of the fireproof frame, and the smoke-proof strip is made of soft material.
[0009] Preferably, the fireproof door panel comprises a metal shell and a fireproof door core panel, the fireproof door core panel is wrapped in the metal shell, the outside of the metal shell is coated with fireproof and heat-insulating paint, and nano aerogel felt is also provided between the metal shell and the fireproof door core panel.
[0010] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:
[0011] The utility model discloses a fireproof door with heat insulation protection, which realizes cooling and heat insulation by spraying cold water on the fireproof door panel through the main structures of the smoke sensor, the fireproof concealed pipe and the water spray hole combined with the water pipe and the water valve embedded in the wall, thereby increasing the external cooling and heat insulation effect for the fireproof door panel, and the fireproof heat insulation layer of the fireproof door panel itself makes the heat insulation effect of the fireproof door panel better, reduces the feeling of scalding when the user holds the door handle, and increases the time for escape and fire fighting. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a structural diagram of a fire door with heat insulation protection of the utility model;
[0013] Figure 2 This is the internal structure diagram of the fireproof door panel of the utility model;
[0014] Figure 3 This is a structural diagram of another state of a fire door with heat insulation protection of the utility model;
[0015] Figure 4 for Figure 3 Enlarged view of point A in the middle.
[0016] In the figure: 1. Fireproof frame; 11. Water spray hole; 2. Fireproof door panel; 21. Door cover strip; 22. Cover groove; 23. Fireproof glass window; 24. Metal shell; 25. Fireproof door core board; 26. Nano aerogel felt; 3. Fireproof concealed pipe; 4. Smoke sensor; 5. Fireproof door closer; 6. Fireproof door lock. DETAILED DESCRIPTION
[0017] 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.
[0018] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.
[0019] Combination Figure 3The utility model is a fireproof door with heat insulation protection, comprising a fireproof frame 1 and a fireproof door panel 2, the fireproof door panel 2 is connected to the fireproof frame 1 by a hinge, the hinge is an embedded concealed hinge, three pairs of fireproof concealed pipes 3 are symmetrically embedded in both sides of the fireproof frame 1, the three pairs of fireproof concealed pipes 3 are symmetrically embedded outside the two sides of the fireproof door panel 2, so as to facilitate water spraying and cooling the front and back sides of the fireproof door panel 2, a threaded interface is provided at one end of the fireproof concealed pipe 3, the threaded interface of the fireproof concealed pipe 3 is threadedly connected to the threaded part of the water pipe joint pre-buried in the wall, the water pipe is connected with an intelligent control valve, the water pipe is a high-pressure explosion-proof water pipe, the other end of the fireproof concealed pipe 3 passes through the fireproof frame 1, and a spraying hole 11 is provided on the fireproof frame 1 at the position of the fireproof concealed pipe 3 for spraying cold water.
[0020] Combination Figure 1 The gap between the fireproof frame 1 and the wall is filled with fireproof panels and fireproof sealants to block smoke and prevent fire. A smoke sensor 4 is arranged on the top of the fireproof frame 1. A fireproof door closer 5 is arranged on the upper end of the fireproof frame 1. The fireproof door closer 5 is connected to the upper end of the fireproof door panel 2. The fireproof door closer 5 automatically starts to close the fireproof door panel 2 after transmitting smoke information through the smoke sensor 4.
[0021] Combination Figure 1 and Figure 3-Figure 4 The fireproof door panel 2 is provided with two leaves, and a cover strip 21 and a cover groove 22 are respectively provided at the joint of the two fireproof door panels 2. The cover strip 21 and the cover groove 22 are tightly engaged to prevent smoke from passing through the door gap. A fireproof door lock 6 is provided on the fireproof door panel 2 with the cover strip 21, and the fireproof door lock 6 is coated with fireproof and heat-insulating paint.
[0022] A fireproof glass window 23 is provided in the middle of the fireproof door panel 2 for convenient observation of the fire situation. A smoke-proof strip is provided at the gap between the fireproof door panel 2 and the fireproof frame 1 to prevent smoke from passing through the gap. The smoke-proof strip is connected to the inner wall of the fireproof frame 1. The smoke-proof strip is made of soft material to facilitate the opening and closing of the fireproof door panel 2.
[0023] Combination Figure 2 The fireproof door panel 2 includes a metal shell 24, a fireproof door core board 25 and a nano aerogel felt 26. The metal shell 24 is wrapped with the nano aerogel felt 26, and the nano aerogel felt 26 is wrapped with the fireproof door core board 25. The metal shell 24 is coated with a fireproof and heat-insulating coating, and the fireproof and heat-insulating coating is a high-quality heat-insulating coating.
[0024] Working principle: When a fire occurs, after the smoke sensor 4 senses the smoke, the fire door closer 5 starts to close the fire door panel 2, the door cover strip 21 and the cover groove 22 are tightly engaged, and the water pipe valve embedded in the wall automatically opens after receiving the alarm signal from the smoke sensor 4. Water quickly passes through the fireproof concealed pipe 3 through the water pipe, and sprays cold water to the fire door panel 2 through the water spray hole 11 to cool down and insulate the fire door panel 2.
[0025] In summary: the utility model is a fire door with heat insulation protection, which realizes cooling and heat insulation by spraying cold water on the fire door panel 2 through the main structures of the smoke sensor 4, the fireproof concealed pipe 3 and the spray water hole 11, combined with the water pipe and water valve embedded in the wall, thereby increasing the external cooling and heat insulation effect of the fire door panel 2, and the fireproof heat insulation layer of the fire door panel 2 itself, so that the heat insulation effect of the fire door panel 2 is better, reducing the feeling of hotness when the user holds the door handle, and increasing the escape and fire fighting time.
[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A fireproof door with heat insulation protection, comprising a fireproof frame (1) and a fireproof door panel (2), characterized in that: The fireproof door panel (2) is connected to the fireproof frame (1) via hinges. Three pairs of fireproof concealed pipes (3) are symmetrically arranged on both sides of the fireproof frame (1). The three pairs of fireproof concealed pipes (3) are symmetrically arranged outside both sides of the fireproof door panel (2). One end of the fireproof concealed pipe (3) is provided with a threaded interface. The threaded interface of the fireproof concealed pipe (3) is connected to the threaded part of a water pipe joint pre-buried in the wall. The other end of the fireproof concealed pipe (3) passes through the fireproof frame (1). A water spraying hole (11) is opened at the position of the fireproof concealed pipe (3) on the fireproof frame (1).
2. A fireproof door with heat insulation protection according to claim 1, characterized in that: The top of the fireproof frame (1) is provided with a smoke sensor (4), the upper end of the fireproof frame (1) is provided with a fireproof door closer (5), the fireproof door closer (5) is connected to the upper end of the fireproof door panel (2), and the gap between the fireproof frame (1) and the wall is filled with a fireproof panel and a fireproof sealant.
3. A fireproof door with heat insulation protection according to claim 1, characterized in that: The fireproof door panel (2) is provided with two leaves, and a cover strip (21) and a cover groove (22) are respectively provided at the joint of the two fireproof door panels (2), the cover strip (21) and the cover groove (22) are engaged, and a fireproof door lock (6) is provided on the fireproof door panel (2) provided with the cover strip (21).
4. A fireproof door with heat insulation protection according to claim 3, characterized in that: A fireproof glass window (23) is arranged in the middle of the fireproof door panel (2), and a smoke-proof strip is arranged at the gap between the fireproof door panel (2) and the fireproof frame (1). The smoke-proof strip is connected to the inner wall of the fireproof frame (1), and the smoke-proof strip is made of a soft material.
5. A fireproof door with heat insulation protection according to claim 4, characterized in that: The fireproof door panel (2) comprises a metal shell (24) and a fireproof door core panel (25); the fireproof door core panel (25) is wrapped in the metal shell (24); the metal shell (24) is coated with a fireproof and heat-insulating coating; and a nano-aerogel felt (26) is provided between the metal shell (24) and the fireproof door core panel (25).