Civil air defense door with good smoke prevention and sealing effects

By using limit columns, limit rods, shock absorbing springs, buffer columns, external sealing plates, flame retardant plates and fire-resistant coatings in civil defense doors, the problem of temperature increase and smoke leakage in fires is solved. , realizes efficient fire-proof, flame-retardant and smoke isolation, extends service life and improves safety.

CN222207667UActive Publication Date: 2024-12-20HUIZHOU ZHONGJING CIVIL AIR DEFENSE ENG PROTECTION EQUIP CO LTD
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Patent Information

Application Number
CN202420861974.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2024-12-20
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The existing civil defense doors have a rising temperature during fires and cannot effectively protect against smoke, and have poor anti-impact effects on fire explosions.

Method used

A smoke-proof sealed civil defense door is designed, using limit columns, limit rods, shock-absorbing springs, buffer columns, external sealing plates, flame retardant plates, fire-proof plates and fire-proof coatings, which are realized through the settings of these components. Isolation of high temperatures, blocking of smoke and buffering of explosion impacts.

Benefits of technology

It effectively reduces damage to civil defense doors in fires, extends service life, improves the protection of smoke and explosion impacts, and enhances the safety of risk-avoiding personnel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a civil air defense door with good smoke-proof sealing effect, which comprises a fixed frame body, the back of the fixed frame body is rotatably connected with a rotating column, the back of the rotating column is fixedly connected with a limiting plate, the back of one side of the fixed frame body far away from the rotating column is fixedly connected with a fixed block, and the lower end of the fixed block is fixedly connected with a fixed column. The outer wall of the fixing column is rotationally connected with a rotator, the outer wall of the rotator is fixedly connected with a sealing door, the front face of the sealing door is fixedly connected with an inner sealing plate, the outer wall of the inner sealing plate is connected with a flame-retardant rubber strip, the front face of the inner sealing plate is connected with a limiting column, and the interior of the limiting column is connected with a limiting rod. The civil air defense door with the good smoke prevention and sealing effects has the advantages that flame retardance can be achieved, the civil air defense door cannot be affected by the high temperature of a fire disaster, the sealing effect is good, smoke can be prevented from drifting away and entering the civil air defense door, and explosion impact can be buffered, so that the problems and defects of an existing device are effectively solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense doors, in particular to a civil air defense door with good smoke-proof and sealing effect. Background Art

[0002] Civil defense doors are the doors at the entrances and exits of people's defense projects. There are distinct classifications of civil defense doors, including ordinary single-leaf and double-leaf protective closed doors and closed doors, movable threshold single-leaf and double-leaf protective closed doors and closed doors, and other civil defense equipment.

[0003] However, the civil air defense doors currently in use will be affected by fire and cause the temperature to rise. They cannot effectively protect against smoke and have poor protection against fire, explosion and impact.

[0004] In view of this, research and improvements are conducted on the existing problems to provide a civil air defense door with good smoke-proof sealing effect. The door is flame retardant so that the high temperature of the fire will not affect the door. The door has good sealing effect to prevent smoke from drifting in and can also cushion the impact of explosions. The purpose is to solve the problem and improve the practical value through this technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a human air defense door with good smoke-proof sealing effect.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a human air defense door with good smoke-proof sealing effect, comprising a fixed frame, the back side of the fixed frame is rotatably connected with a rotating column, the back side of the rotating column is fixedly connected with a limiting plate, the back side of the fixed frame away from the rotating column is fixedly connected with a fixed block, the lower end of the fixed block is fixedly connected with a fixed column, the outer wall of the fixed column is rotatably connected with a rotator, the outer wall of the rotator is fixedly connected with a sealed door, the front side of the sealed door is fixedly connected with an inner sealing plate, the outer wall of the inner sealing plate is fixedly connected with a flame-retardant rubber strip, the front side of the inner sealing plate is fixedly connected with a limiting column, the inside of the limiting column is fixedly connected with a limiting rod, the inside of the limiting column close to the limiting rod is fixedly connected with a shock-absorbing spring, the front side of the shock-absorbing spring is fixedly connected with a buffer column, the front side of the buffer column is fixedly connected with an outer sealing plate, the front side of the outer sealing plate is fixedly connected with a flame-retardant plate, the front side of the flame-retardant plate is fixedly connected with a fireproof plate, and the front side of the fireproof plate is fixedly connected with a fireproof coating.

[0007] As a further description of the above technical solution:

[0008] The back side of the sealing door is fixedly connected with a limiting block, and the limiting plate is rotatably connected with the fixed frame through a rotating column.

[0009] As a further description of the above technical solution:

[0010] The flame retardant board has a high ignition point, and the fireproof board has a high ignition point.

[0011] As a further description of the above technical solution:

[0012] The outer wall of the limiting rod is slidably connected to the buffer column, and the outer wall of the buffer column is slidably connected to the limiting column.

[0013] As a further description of the above technical solution:

[0014] The number of the limiting plates is several groups, and the number of the fixing blocks is several groups.

[0015] As a further description of the above technical solution:

[0016] The fireproof coating is connected to the fireproof board by spraying, and the shape of the flame-retardant rubber strip is a triangle.

[0017] As a further description of the above technical solution:

[0018] The fixed block is connected to the fixed frame by welding, and the limit plate is connected to the rotating column by welding.

[0019] The utility model has the following beneficial effects:

[0020] A civil air defense door with good smoke-proof sealing effect can buffer the impact force received by the civil air defense door by setting a limit column, a limit rod, a shock-absorbing spring, a buffer column, and an outer sealing plate, thereby reducing damage to the civil air defense door, having a good protective effect on the civil air defense door and extending its service life; by setting a flame retardant board, a fireproof board, and a fireproof coating, the fire-retardant effect of the civil air defense door can be increased, so that the civil air defense door will not be affected by high temperature and can be isolated from the high temperature generated by the fire; by setting a rotating column, a limit plate, a sealing door, an inner sealing plate, a flame retardant rubber strip, and an outer sealing plate, the sealing effect of the civil air defense door can be increased, so that smoke can be blocked, smoke can be prevented from drifting into the civil air defense door, and the safety of people taking shelter can be increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front view of the overall structure of a human air defense door with good smoke-proof sealing effect proposed by the utility model;

[0022] Figure 2 This is a top plan view of the fixed frame part of a human air defense door with good smoke-proof sealing effect proposed by the utility model;

[0023] Figure 3 A side plan view of the sealing door portion of a civil air defense door with good smoke-proof sealing effect proposed by the utility model.

[0024] Legend:

[0025] 1. Fixed frame; 2. Rotating column; 3. Limiting plate; 4. Fixed block; 5. Fixed column; 6. Rotator; 7. Sealing door; 8. Inner sealing plate; 9. Flame retardant rubber strip; 10. Limiting column; 11. Limiting rod; 12. Shock-absorbing spring; 13. Buffer column; 14. Outer sealing plate; 15. Flame retardant board; 16. Fireproof board; 17. Fireproof coating. DETAILED DESCRIPTION

[0026] 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.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Reference Figure 1-3The utility model provides an embodiment: a human air defense door with good smoke-proof sealing effect, comprising a fixed frame 1, a rotating column 2 is rotatably connected to the back of the fixed frame 1, a limiting plate 3 is fixedly connected to the back of the rotating column 2, a fixed block 4 is fixedly connected to the back of the fixed frame 1 away from the rotating column 2, a fixed column 5 is fixedly connected to the lower end of the fixed block 4, an outer wall of the fixed column 5 is rotatably connected to a rotator 6, an outer wall of the rotator 6 is fixedly connected to a sealing door 7, an inner sealing plate 8 is fixedly connected to the front of the sealing door 7, and an outer wall of the inner sealing plate 8 is fixedly connected to the inner sealing plate 8. A flame retardant rubber strip 9 is fixedly connected to the front of the inner sealing plate 8, a limiting column 10 is fixedly connected to the inside of the limiting column 10, a shock absorbing spring 12 is fixedly connected to the inside of the limiting column 10 close to the limiting rod 11, a buffer column 13 is fixedly connected to the front of the shock absorbing spring 12, an outer sealing plate 14 is fixedly connected to the front of the buffer column 13, a flame retardant plate 15 is fixedly connected to the front of the outer sealing plate 14, a fire retardant plate 15 is fixedly connected to the front of the flame retardant plate 15, a fireproof plate 16 is fixedly connected to the front of the fireproof plate 16, and a fireproof coating 17 is fixedly connected to the front of the fireproof plate 16.

[0029] A civil air defense door with good smoke-proof sealing effect is provided by setting a limit column 10, a limit rod 11, a shock-absorbing spring 12, a buffer column 13, and an outer sealing plate 14 to buffer the impact force on the civil air defense door, thereby reducing the damage caused to the civil air defense door, having a good protective effect on the civil air defense door and extending the service life; by setting a flame retardant plate 15, a fireproof plate 16, and a fireproof coating 17, the fireproof and flame retardant effect of the civil air defense door is increased, the civil air defense door will not be affected by high temperature, and the high temperature generated by the fire can be isolated; by setting a rotating column 2, a limit plate 3, a sealing door 7, an inner sealing plate 8, a flame retardant rubber strip 9, and an outer sealing plate 14, the sealing effect of the civil air defense door is increased, so that the door can block smoke, prevent smoke from drifting into the civil air defense door, and increase the safety of people taking shelter.

[0030] Specifically, the back of the sealing door 7 is fixedly connected with a limiting block, and the limiting plate 3 is rotatably connected with the fixed frame 1 through the rotating column 2, so that the limiting and fixing effect of the sealing door 7 is good;

[0031] Specifically, the flame retardant board 15 has a high ignition point, and the fireproof board 16 has a high ignition point, which increases the fireproof and flame retardant effect of the civil air defense door;

[0032] Specifically, the outer wall of the limit rod 11 is slidably connected to the buffer column 13, and the outer wall of the buffer column 13 is slidably connected to the limit column 10, so that the civil air defense door can buffer the impact force received, thereby reducing the damage caused to the civil air defense door;

[0033] Specifically, the number of the limiting plates 3 is several groups, and the number of the fixing blocks 4 is several groups, so that the connection support for the sealing door 7 is stable;

[0034] Specifically, the fireproof coating 17 is connected to the fireproof board 16 by spraying, and the shape of the flame-retardant rubber strip 9 is triangular, which increases the sealing effect of the civil air defense door;

[0035] Specifically, the fixing block 4 is connected to the fixing frame 1 by welding, and the limiting plate 3 is connected to the rotating column 2 by welding, so that the overall structure is more firmly connected.

[0036] Working principle: When in use, the sealing door 7 is rotated by the rotator 6 to be plugged into the fixed frame 1, and then the limit plate 3 is rotated by the rotating column 2, and the sealing door 7 is limited and fixed by the limit plate 3 and the limit block. The flame retardant plate 15, the fireproof plate 16 and the fireproof coating 17 have a high ignition point, which can isolate the external temperature so that it will not affect the inside of the civil air defense door, and when the civil air defense door is hit, the buffer column 13, the shock absorbing spring 12 and the limit rod 11 can be extended and retracted to buffer the impact force, reduce the damage to the civil air defense door, and extend the service life of the civil air defense door, and the sealing door 7, the inner sealing plate 8 and the flame retardant rubber strip 9 can make the sealing effect of the civil air defense door good, block the smoke, so that it will not enter the civil air defense door, and increase the safety of the people taking shelter.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A human air defense door with good smoke-proof sealing effect, comprising a fixed frame (1), characterized in that: The back of the fixed frame (1) is rotatably connected to a rotating column (2), the back of the rotating column (2) is fixedly connected to a limiting plate (3), the back of the fixed frame (1) away from the rotating column (2) is fixedly connected to a fixed block (4), the lower end of the fixed block (4) is fixedly connected to a fixed column (5), the outer wall of the fixed column (5) is rotatably connected to a rotator (6), the outer wall of the rotator (6) is fixedly connected to a sealing door (7), the front of the sealing door (7) is fixedly connected to an inner sealing plate (8), the outer wall of the inner sealing plate (8) is fixedly connected to a flame retardant rubber strip (9), the inner sealing plate (8) is fixedly connected to the outer wall of the inner sealing plate (8) ) is fixedly connected to a limiting column (10) on the front side, the limiting column (10) is fixedly connected to a limiting rod (11) on the inside, the limiting column (10) is fixedly connected to a damping spring (12) on the inside near the limiting rod (11), the damping spring (12) is fixedly connected to a buffer column (13) on the front side, the buffer column (13) is fixedly connected to an outer sealing plate (14) on the front side, the outer sealing plate (14) is fixedly connected to a flame retardant plate (15) on the front side, the flame retardant plate (15) is fixedly connected to a fireproof plate (16) on the front side, and the fireproof plate (16) is fixedly connected to a fireproof coating (17) on the front side.

2. According to claim 1, a civil air defense door with good smoke-proof sealing effect is characterized in that: The back side of the sealing door (7) is fixedly connected to a limiting block, and the limiting plate (3) is rotatably connected to the fixed frame (1) via a rotating column (2).

3. The civil air defense door with good smoke-proof sealing effect according to claim 1, characterized in that: The flame retardant board (15) has a high ignition point, and the fireproof board (16) has a high ignition point.

4. The civil air defense door with good smoke-proof sealing effect according to claim 1, characterized in that: The outer wall of the limiting rod (11) is slidably connected to the buffer column (13), and the outer wall of the buffer column (13) is slidably connected to the limiting column (10).

5. The civil air defense door with good smoke-proof sealing effect according to claim 1, characterized in that: The number of the limiting plates (3) is several groups, and the number of the fixing blocks (4) is several groups.

6. The civil air defense door with good smoke-proof sealing effect according to claim 1, characterized in that: The fireproof coating (17) is connected to the fireproof board (16) by spraying, and the shape of the flame-retardant rubber strip (9) is triangular.

7. The civil air defense door with good smoke-proof sealing effect according to claim 1, characterized in that: The fixed block (4) is connected to the fixed frame (1) by welding, and the limit plate (3) is connected to the rotating column (2) by welding.