Fireproof door capable of preventing fast fire extension
By designing fire-proof and explosion-proof water storage silos and spraying systems in the fire door, the problem of degradation of fire resistance and thermal insulation in large fires is solved, and effective blocking of fire and extension of personnel evacuation time is achieved.
Patent Information
- Application Number
- CN202421832250.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-07-31
AI Technical Summary
When the fire is large, the fire resistance stability and heat insulation of existing fire doors will decrease, resulting in uncontrolled spread of the fire and the temperature of the fire doors will increase, affecting personnel evacuation.
A fire-proof door that prevents rapid and rapid fire delay is designed, including a fire-proof frame and a fire-proof door panel, built-in fire-proof and explosion-proof water storage compartment, spray holes, fire-proof and explosion-proof water pipes, smart cover doors and small door openers, which prevent the spread of the fire by spraying cold water and increase the evacuation time.
It effectively blocks the spread of fires, increases the time for personnel escape and firefighters to put out fires, and improves the fire resistance stability and thermal insulation of the fire doors.
Smart Images

Figure CN222633145U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fireproof doors, and more particularly to a fireproof door capable of preventing fire from spreading rapidly. 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. However, when the fire is large, due to long-term burning, the fire doors have little ability to block the spread of fire. In addition, since the fire doors block the fire for a long time, the temperature of the fire doors is high, which is not conducive to the evacuation of people through the fire doors, affecting people's escape. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art that when a fire is large, due to the long-term burning, the fire door has little ability to block the spread of fire, and because the fire door blocks the fire for a long time, the temperature of the fire door is high, which is not conducive to the evacuation of personnel through the fire door, affecting the escape of personnel, and provides a fire door that can prevent the rapid spread of fire 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 for preventing rapid spread of fire, comprising a fireproof frame and a fireproof door panel, wherein the fireproof door panel is connected in the fireproof frame by hinges, a fireproof and explosion-proof water storage bin is arranged in the fireproof door panel, a telescopic extrusion component is arranged in the fireproof and explosion-proof water storage bin, one side of the fireproof and explosion-proof water storage bin is connected to the fireproof frame by two fireproof and explosion-proof water pipes, the fireproof and explosion-proof water pipes protrude out of the fireproof frame, a spray hole is arranged on the fireproof door panel, a plurality of the spray holes are arranged in an array distribution, and an intelligent cover door is arranged outside the spray hole.
[0006] Preferably, the fireproof and explosion-proof water storage bin is wrapped with a fireproof door core board, the fireproof door core board is wrapped in a metal shell of the fireproof door board, and the outside of the metal shell is coated with a fireproof and heat-insulating paint.
[0007] 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.
[0008] Preferably, a small door opener is provided on the fireproof door panel, the small door opener is connected to the smart cover door, a telescopic lock buckle is provided on the side wall of the smart cover door, a lock body is provided on the fireproof door panel, the lock body is provided on the side of the smart cover door, the telescopic lock buckle is engaged with the lock hole on the side wall of the lock body, and the small door opener and the smart cover door are connected to a power supply.
[0009] 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.
[0010] Preferably, the telescopic extrusion assembly includes an extrusion plate, a micro-expander and a fixed plate. Two fixed plates are provided, and the two fixed plates are respectively arranged at the top and the middle position in the fireproof and explosion-proof water storage tank. The micro-expander is connected to the fixed plate, and the telescopic end of the micro-expander is connected to the extrusion plate, and the telescopic end of the micro-expander is arranged vertically downward.
[0011] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:
[0012] The utility model discloses a fireproof door for preventing the rapid spread of fire. Through the main structures of the fireproof and explosion-proof water storage tank, the spraying hole, the fireproof and explosion-proof water pipe, the intelligent cover door and the small door opener, cold water can be sprayed on the fire to block the spread of the fire, thereby increasing the time for people to escape and the time for firefighters to put out the fire. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a structural diagram of a fire door for preventing rapid fire spread according to the utility model;
[0014] Figure 2 This is a side sectional structural diagram of the fireproof door panel of the utility model;
[0015] Figure 3 This is the internal structure diagram of the fireproof door panel of the utility model;
[0016] Figure 4 This is a structural diagram of another state inside the fireproof door panel of the utility model;
[0017] Figure 5 It is a schematic diagram of the connection between the intelligent cover door and the lock body of the utility model.
[0018] In the figure: 1. Fireproof frame; 2. Fireproof door panel; 21. Spray hole; 22. Fireproof door core board; 23. Metal shell; 24. Lock body; 241. Lock hole; 3. Fireproof and explosion-proof water storage tank; 4. Telescopic extrusion component; 41. Extrusion plate; 42. Micro telescopic device; 43. Fixed plate; 5. Fireproof and explosion-proof water pipe; 6. Smart cover door; 61. Telescopic lock buckle; 7. Smoke sensor; 8. Fireproof door closer; 9. Small door opener; 10. Fireproof door lock. DETAILED DESCRIPTION
[0019] 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.
[0020] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.
[0021] Combination Figure 1-Figure 4 The utility model is a fireproof door for preventing rapid fire extension, comprising a fireproof frame 1 and a fireproof door panel 2, wherein the fireproof door panel 2 is connected to the fireproof frame 1 through a hidden hinge, a fireproof and explosion-proof water storage bin 3 is arranged in the fireproof door panel 2, a telescopic extrusion component 4 is arranged in the fireproof and explosion-proof water storage bin 3, one side of the fireproof and explosion-proof water storage bin 3 is connected to the fireproof frame 1 through two fireproof and explosion-proof water pipes 5, the fireproof and explosion-proof water pipes 5 protrude outside the fireproof frame 1, and a threaded interface is provided at the part of the fireproof and explosion-proof water pipes 5 leaking out, and the threaded interface of the fireproof and explosion-proof water pipes 5 is threadedly connected to a water pipe joint pre-buried in the wall in advance, and the water pipe is connected with an intelligent control valve, and a spray hole 21 is arranged on the fireproof door panel 2, and a plurality of spray holes 21 are arranged in an array distribution. Water is squeezed by the telescopic extrusion component 4 to generate pressure and sprayed out through the spray hole 21, and an intelligent cover door 6 is arranged outside the spray hole 21.
[0022] Combination Figure 2 The fireproof and explosion-proof water storage bin 3 is wrapped with a fireproof door core board 22, and the fireproof door core board 22 is wrapped with a metal shell 23 of the fireproof door panel 2. The metal shell 23 is coated with fireproof and heat-insulating paint. The fireproof and heat-insulating paint is a high-quality heat-insulating paint with excellent heat-insulating effect. Water pipes for spraying water are passed through the corresponding spray holes 21 on the fireproof and explosion-proof water storage bin 3, the fireproof door core board 22 and the metal shell 23.
[0023] Combination Figure 1 A smoke sensor 7 is arranged at the top of the fireproof frame 1, and a fireproof door closer 8 is arranged at the upper end of the fireproof frame 1. The fireproof door closer 8 is connected to the upper end of the fireproof door panel 2. The fireproof door closer 8 automatically starts to close the fireproof door panel 2 after transmitting smoke information through the smoke sensor 7. The gap between the fireproof frame 1 and the wall is filled with a fireproof board and fireproof sealant to block smoke and prevent fire.
[0024] Combination Figure 1 and Figure 5A small door opener 9 is provided on the fireproof door panel 2, and the small door opener 9 is connected to the smart cover door 6. The small door opener 9 and the smart cover door 6 are connected to a power supply. The small door opener 9 is intelligently controlled to control the opening and closing of the smart cover door 6. A telescopic lock buckle 61 is provided on the side wall of the smart cover door 6. A lock body 24 is provided on the fireproof door panel 2, and the lock body 24 is arranged on the side of the smart cover door 6. The telescopic lock buckle 61 is engaged with the lock hole 241 on the side wall of the lock body 24. The telescopic lock buckle 61 is intelligently controlled to extend and retract to control the locking and separation of the smart cover door 6 and the lock body 24.
[0025] Combination Figure 1 The fireproof door panel 2 is provided with two leaves, and the joints of the two fireproof door panels 2 are respectively provided with door cover strips and cover grooves, which are tightly engaged to prevent smoke from passing through the door gap. The fireproof door panel 2 with the door cover strips is provided with a fireproof door lock 10, and the fireproof door lock 10 is coated with fireproof and heat-insulating paint.
[0026] Combination Figure 2-4 Two fixing plates 43 are arranged on the telescopic extrusion assembly 4, and the two fixing plates 43 are respectively arranged at the top and the middle position in the fireproof and explosion-proof water storage tank 3. A miniature telescopic device 42 is connected to the fixing plate 43, and the telescopic end of the miniature telescopic device 42 is connected to the extrusion plate 41, and the telescopic end of the miniature telescopic device 42 is arranged vertically downward.
[0027] Working principle: when a fire occurs, after the smoke sensor 7 senses the smoke, the fireproof door closer 8 starts to close the fireproof door panel 2, the door cover strip and the cover groove are tightly engaged, and the water pipe valve embedded in the wall automatically opens after receiving the alarm signal of the smoke sensor 7. Water quickly passes through the fireproof and explosion-proof water pipe 5 through the water pipe and flows to the fireproof and explosion-proof water storage tank 3. After the water is full, the micro-retractor 42 senses and starts to retract and drive the extrusion plate 41 to squeeze the water in the tank, the retractable lock buckle 61 retracts automatically, the smart cover door 6 opens, and the small door opener 9 senses and starts to open the smart cover door 6 at a larger angle. The water in the fireproof and explosion-proof water storage tank 3 quickly sprays cold water to the outside of the fireproof door panel 2 through the spray hole 21 to prevent the spread of fire.
[0028] In summary: the utility model is a fire door for preventing the rapid spread of fire, through the main structures of the fireproof and explosion-proof water storage tank 3, the spray hole 21, the fireproof and explosion-proof water pipe 5, the intelligent cover door 6 and the small door opener 9, it can spray cold water on the fire to prevent the spread of fire, thereby increasing the time for people to escape and firefighters to put out the fire.
[0029] 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.
[0030] Although the 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 for preventing rapid spread of fire, 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 a hinge, a fireproof and explosion-proof water storage tank (3) is arranged in the fireproof door panel (2), a telescopic extrusion component (4) is arranged in the fireproof and explosion-proof water storage tank (3), one side of the fireproof and explosion-proof water storage tank (3) is connected to the fireproof frame (1) via two fireproof and explosion-proof water pipes (5), the fireproof and explosion-proof water pipes (5) protrude outside the fireproof frame (1), a spray hole (21) is arranged on the fireproof door panel (2), a plurality of the spray holes (21) are arranged in an array, and an intelligent cover door (6) is arranged outside the spray hole (21).
2. A fire door for preventing rapid spread of fire according to claim 1, characterized in that: The fireproof and explosion-proof water storage bin (3) is wrapped with a fireproof door core board (22), the fireproof door core board (22) is wrapped in a metal shell (23) of the fireproof door board (2), and the metal shell (23) is coated with a fireproof and heat-insulating paint.
3. A fire door for preventing rapid spread of fire according to claim 1, characterized in that: The top of the fireproof frame (1) is provided with a smoke sensor (7), the upper end of the fireproof frame (1) is provided with a fireproof door closer (8), the fireproof door closer (8) 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 board and a fireproof sealant.
4. A fire door for preventing rapid spread of fire according to claim 1, characterized in that: The fireproof door panel (2) is provided with a small door opener (9), the small door opener (9) is connected to the intelligent cover door (6), a telescopic lock buckle (61) is provided on the side wall of the intelligent cover door (6), a lock body (24) is provided on the fireproof door panel (2), the lock body (24) is arranged on the side of the intelligent cover door (6), the telescopic lock buckle (61) is engaged with a lock hole (241) on the side wall of the lock body (24), and the small door opener (9) and the intelligent cover door (6) are connected to a power supply.
5. A fire door for preventing rapid spread of fire according to claim 4, characterized in that: The fireproof door panel (2) 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 (2), the cover strip and the cover groove are engaged, and a fireproof door lock (10) is provided on the fireproof door panel (2) provided with the cover strip.
6. A fire door for preventing rapid spread of fire according to claim 1, characterized in that: The telescopic extrusion assembly (4) comprises an extrusion plate (41), a micro-expandable device (42) and a fixed plate (43). Two fixed plates (43) are provided. The two fixed plates (43) are respectively arranged at the top and middle positions in the fireproof and explosion-proof water storage bin (3). The micro-expandable device (42) is connected to the fixed plate (43). The telescopic end of the micro-expandable device (42) is connected to the extrusion plate (41). The telescopic end of the micro-expandable device (42) is arranged vertically downward.