Fire rated security door

By incorporating heat-insulating spaces and fire-resistant materials into the screen doors, the problem of traditional screen doors failing to isolate fire sources in the event of a fire is solved, ensuring unobstructed safe evacuation routes and structural protection during a fire.

CN117328784BActive Publication Date: 2025-12-19INST OF COMPUTING TECH CHINA ACAD OF RAILWAY SCI +2
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Patent Information

Application Number
CN202311394338.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-10-25
Publication Date
2025-12-19
Estimated Expiration
2043-10-25

AI Technical Summary

Technical Problem

Traditional platform screen doors cannot isolate the fire source in the event of a fire, and therefore cannot protect the safety of passengers.

Method used

The fire-resistant shielded door is designed to form an insulated space through the civil engineering installation beams, column structure, and door machine structure beams. Fireproof boards, fireproof rock wool, and fireproof glass are installed in this space, combined with fireproof rubber strips and sealing strips, to form a sealed space to isolate fire sources.

Benefits of technology

It effectively isolates fire sources, reduces damage to the gantry crane structure, extends service life, and ensures unobstructed passage for passenger safety evacuation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of fire prevention, and provides a fireproof shielding door. The fireproof shielding door comprises a civil installation beam, a stand column structure, a door machine structure beam and a door leaf structure. The civil installation beam is located in a tunnel; the stand column structure is arranged on a platform, and comprises a first section and a second section connected in sequence from top to bottom, and the upper end of the first section is connected with the civil installation beam; the door machine structure beam is connected with the lower end of the first section, and the door machine structure beam is connected between the stand column structure and the civil installation beam, and part of the mechanism of the civil installation beam shields the door machine structure beam. By arranging the civil installation beam at a position capable of shielding the door machine structure beam, when a fire occurs, the civil installation beam can block the open fire, reduce the damage of the open fire to the door machine structure beam and internal components, so that the effect of fire prevention is achieved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of fire prevention technology, and in particular to a fireproof shielding door. BACKGROUND

[0002] Traditional shielding doors are widely used in the technical field of subways and intercity transportation. By setting the shielding door at the edge of the platform, the platform area and the track area are isolated to ensure that passengers cannot enter the track area at will when they enter the platform to wait for the train, thereby protecting the safety of passengers when the train enters the station, and also playing a role in sound insulation and energy saving. However, such shielding doors cannot isolate the fire source and protect passengers when a fire hazard occurs. SUMMARY

[0003] The present application provides a fireproof shielding door to solve any of the above deficiencies in the prior art, which realizes the isolation of the shielding door structure to the fire source, thereby achieving the effect of fire prevention.

[0004] The present application provides a fireproof shielding door, comprising:

[0005] A civil installation beam is located in a tunnel;

[0006] A column structure is provided on the platform, and the column structure comprises a first segment and a second segment connected in sequence from top to bottom, and the upper end of the first segment is connected with the civil installation beam;

[0007] A door machine structure beam is connected with the lower end of the first segment, and the door machine structure beam is connected between the column structure and the civil installation beam, and part of the mechanism of the civil installation beam blocks the door machine structure beam.

[0008] A door leaf structure is installed on the door machine structure beam.

[0009] According to the fireproof shielding door provided by the present application, the door machine structure beam, the civil installation beam and the first segment of the column structure form a heat insulation space.

[0010] According to the fireproof shielding door provided by the present application, the bottom of the heat insulation space is provided with a fireproof plate, one end of the fireproof plate is connected with the door machine structure beam, and the other end of the fireproof plate is connected with the civil installation beam, so as to form a closed space for the heat insulation space.

[0011] According to the fireproof shielding door provided by the present application, the side of the fireproof plate facing the heat insulation space is provided with fireproof rock wool, one end of the fireproof rock wool is connected with the door machine structure beam, and the other end of the fireproof rock wool is connected with the civil installation beam.

[0012] According to the fireproof shielding door provided by the present application, the door leaf structure comprises:

[0013] A plurality of door frames, some of the plurality of door frames are fixedly connected with the door machine structure beam, and another part of the plurality of door frames are slidably connected with the door machine structure beam;

[0014] A plurality of fireproof glass, the plurality of fireproof glass are connected with the plurality of door frames one by one, and the door frame is connected with the outer periphery of the fireproof glass.

[0015] According to the fireproof shielding door provided by the application, the door frame is provided with a fireproof rubber strip in a sliding position relative to the door machine structure beam.

[0016] According to the fireproof shielding door provided by the application, the door frame is provided with a sealing rubber strip in a fixed position relative to the door machine structure beam, the sealing rubber strip expands when heated, and the sealing rubber strip is suitable for sealing the door frame.

[0017] According to the fireproof shielding door provided by the application, the bottom end of the fireproof glass is provided with a first fireproof pad at a position in contact with the door frame.

[0018] According to the fireproof shielding door provided by the application, the door frame has opposite first and second ends along the height, the first end is connected with the door machine structure beam, and the second end is connected with the fireproof door sill; a second fireproof pad is arranged between the second end of the door frame and the fireproof door sill.

[0019] According to the fireproof shielding door provided by the application, the civil installation beam constitutes a civil heat exhaust air duct.

[0020] The fireproof shielding door provided by the application can block the door machine structure beam, and when a fire occurs, the civil installation beam can block the open fire and reduce the damage of the open fire to the door machine structure beam, thereby achieving the effect of fireproofing. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0022] Figure 1 is a schematic view of the fireproof shielding door provided by the application combined with a platform;

[0023] Figure 2 is Figure 1 is an enlarged view of A in FIG.

[0024] Figure 3 is Figure 2 is a partial enlarged view of B in FIG.

[0025] Figure 4 is Figure 2 is a partial enlarged view of C in FIG.

[0026] Figure 5 is a schematic view of the fireproof shielding door provided by the present application;

[0027] Figure 6 is another schematic view of the fireproof shielding door provided by the present application.

[0028] Reference signs:

[0029] 100, civil installation beam; 101, civil heat exhaust air duct;

[0030] 200, stand column structure; 201, stand column support seat; 202, bottom support; 203, first section; 204, second section;

[0031] 300, door machine structure beam;

[0032] 400, heat insulation space; 401, fireproof plate; 402, fireproof rock wool;

[0033] 500, door frame; 501, fireproof glass; 502, fireproof rubber strip; 503, sealing rubber strip; 504, first fireproof pad; 505, second fireproof pad; 507, second protrusion; 508, second sliding groove;

[0034] 600, fireproof door sill; 700, decorative plate;

[0035] 801, train; 802, platform area; 803, track area; DETAILED DESCRIPTION

[0036] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below with reference to the drawings in the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0037] In the description of the embodiments of the present application, it should be noted that unless specifically defined and limited, the terms "connected", "connection" should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0038] In the embodiments of the present application, unless specifically defined and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature can be above, above and above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature can be below, below and below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0039] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification and the features of different embodiments or examples without contradiction.

[0040] The following will be described in conjunction with Figures 1 to 6 The fireproof shielding door according to the embodiments of the present application is described. It should be understood that the following description is only a schematic embodiment of the present application and does not constitute any limitation on the present application.

[0041] Referring to Figures 1 to 6 According to the fireproof shielding door of the embodiments of the present application, the fireproof shielding door can be applied to the field of subway and intercity transportation. By setting the fireproof shielding door at the edge of the platform, when the train 801 or the platform catches fire, the fireproof shielding door can isolate the platform area 802 from the track area 803, and has the effect of isolating the fire source.

[0042] Specifically, as Figure 1 , Figure 2 andFigure 5 As shown, the civil installation beam 100 is located in the tunnel, and the column structure 200 is arranged on the platform. The column structure 200 comprises a first section 203 and a second section 204 connected in sequence from top to bottom, and the upper end of the first section 203 of the column structure 200 is connected with the civil installation beam 100. The door machine structure beam 300 is connected with the lower end of the first section 203 of the column structure 200, and the door machine structure beam 300 is connected between the column structure 200 and the civil installation beam 100, and part of the mechanism of the civil installation beam 100 blocks the door machine structure beam 300. The door leaf structure is arranged on the door machine structure beam 300. It can be understood that the civil installation beam 100 is opposite and partially overlaps with the first section 203 of the column structure 200, and the door machine structure beam 300 is clamped between the civil installation beam 100 and the column structure 200. When the train 801 catches fire, the civil installation beam 100 can block the open fire, reduce the temperature, reduce the damage of the open fire to the door machine structure beam 300, and prolong the service life of the door machine structure beam 300.

[0043] According to the fireproof screen door provided by the application, the civil installation beam 100 is arranged at a position capable of blocking the door machine structure beam 300, so that when a fire occurs, the civil installation beam 100 can block the open fire and reduce the damage of the open fire to the door machine structure beam 300, thereby achieving the effect of fireproofing.

[0044] As shown in the drawings, Figure 2 In some embodiments of the application, the door machine structure beam 300, the civil installation beam 100 and the first section 203 of the column structure 200 form a heat insulation space 400. By arranging the heat insulation space 400, on the one hand, the contact area of the civil installation beam 100 and the door machine structure beam 300 can be reduced, and on the other hand, heat can be dissipated to the air in the form of heat radiation. In this way, when a fire occurs, the heat insulation space 400 can slow down the transmission speed of heat from the civil installation beam 100 to the door machine structure beam 300, thereby reducing the damage of high temperature in the fire to the door machine structure beam 300.

[0045] As shown in the drawings, Figure 3 In some embodiments of the application, the bottom of the heat insulation space 400 is provided with a fireproof plate 401, one end of the fireproof plate 401 is connected with the door machine structure beam 300, and the other end of the fireproof plate 401 is connected with the civil installation beam 100. The arrangement of the fireproof plate 401 can make the heat insulation space 400 form a closed space. When a fire occurs, the fireproof plate 401 can isolate the open fire from the heat insulation space 400, thereby strengthening the protection of the door machine structure beam 300. In some other embodiments of the application, as shown in the drawings, the fireproof plate 401 can cover the bottom end of the civil installation beam 100, thereby preventing the bottom end of the civil installation beam 100 from being damaged by the open fire and increasing the service life of the civil installation beam 100.

[0046] As shown in the drawings, Figure 3As shown in the figure, in some embodiments of the present application, the fireproof plate 401 is provided with fireproof rock wool 402 on one side facing the heat insulation space 400, one end of the fireproof rock wool 402 is connected with the door machine structure beam 300, and the other end of the fireproof rock wool 402 is connected with the civil installation beam 100. When a fire occurs, the fireproof rock wool 402 will not burn due to high temperature, and the generation of toxic smoke and molten droplets during the fire can be reduced, thereby delaying the spread of the flame.

[0047] As shown in the figure, Figure 5 and Figure 6 As shown in the figure, in some embodiments of the present application, the door leaf structure includes a plurality of door frames 500 and a plurality of fireproof glasses 501. Here, the plurality refers to two or more. Some of the plurality of door frames 500 are fixedly connected with the door machine structure beam 300, and the other part of the plurality of door frames 500 are slidably connected with the door machine structure beam 300; the plurality of fireproof glasses 501 are connected with the plurality of door frames 500 one by one, and the door frame 500 is connected with the outer periphery of the fireproof glass 501. The material of the door frame 500 can be stainless steel or galvanized steel, and the fireproof glass 501 can be laminated glass.

[0048] Among them, the fireproof glass 501 and the door frame 500 fixedly connected with the door machine structure beam 300 constitute a fixed door, the fireproof glass 501 and the door frame 500 slidably connected with the door machine structure beam 300 constitute an emergency door and a sliding door, and when a fire occurs, if the sliding door cannot be opened, the emergency door can also be started to evacuate and escape the passengers. If the fireproof glass 501 of the fixed door is broken, the passengers can evacuate and escape. The fireproof glass 501 of the emergency door and the sliding door is high-temperature-resistant glass, and when a fire occurs, the fireproof design of the door frame 500 and the fireproof glass 501 can make the door body composed of the door frame 500 and the fireproof glass 501 work normally for a period of time, so that the staff can evacuate the passengers in time.

[0049] As shown in the figure, Figure 5 and Figure 6 As shown in the figure, in some embodiments of the present application, the vertical distance from the civil installation beam 100 to the platform is equal to the height of the door frame 500, so that the civil installation beam 100 can completely cover the door machine structure beam 300, thereby shielding most of the open flames for the door machine structure beam 300, and achieving the purpose of improving the fireproof performance of the fireproof screen door.

[0050] As shown in the figure, Figure 3 and Figure 5As shown, in some embodiments of the present invention, a fireproof strip 502 is provided at the sliding position of the door frame 500 relative to the door operator structural beam 300. The fireproof strip 502 has the characteristics of being flame-retardant and not falling off after burning. When a fire occurs, the fireproof strip 502 can continuously block the spread of smoke and flames.

[0051] In some embodiments of the present invention, the gantry crane structural beam 300 is provided with a first mating part, and the door frame 500 is provided with a second mating part at the contact position with the gantry crane structural beam 300, wherein the first mating part and the second mating part mate. In some embodiments of the present invention, the first mating part may be a first sliding groove, and the second mating part may be a first protrusion adapted to the shape and size of the first sliding groove. A fireproof strip 502 may be disposed in the first sliding groove, and the door frame 500 may slide between the fireproof strips 502 in the first sliding groove.

[0052] Of course, the arrangement of the first groove and the first protrusion is not limited to this. In some other embodiments of the present invention, the first mating part can be the first protrusion, and the second mating part can be the first groove that mates with the first protrusion.

[0053] like Figures 3 to 5 As shown, in some embodiments of the present invention, a sealing strip 503 is provided at a fixed position on the door frame 500 relative to the gantry crane structural beam 300. In the event of a fire, the sealing strip 503 expands due to heat, sealing the gap between the door frame 500 and the gantry crane structural beam 300, forming a sealed shielding door. This effectively blocks the spread of smoke and flames, better isolates open flames and smoke, and protects the safety of people and objects on the platform side.

[0054] like Figure 4 As shown, in some embodiments of the present invention, a first fireproof pad 504 is provided at the position where the bottom end of the fireproof glass 501 contacts the door frame 500. The first fireproof pad 504 can isolate open flames, thereby enhancing the fire resistance of the bottom of the fireproof glass 501 and the door frame 500.

[0055] like Figure 4 As shown, in some embodiments of the present invention, the fire-resistant shielded door further includes a fire-resistant threshold 600, which is connected to the second section 204 of the column structure 200. The fire-resistant threshold 600 and the door operator structure beam 300 are arranged parallel to each other. The door frame 500 has a first end and a second end along its height. The first end of the door frame 500 is connected to the door operator structure beam 300, and the second end of the door frame 500 is connected to the fire-resistant threshold 600. A second fire-resistant pad 505 is provided between the second end of the door frame 500 and the fire-resistant threshold 600 to further increase the fire resistance of the door frame 500.

[0056] like Figure 4As shown, in some embodiments of the present invention, the fire-resistant threshold 600 is provided with a third mating part, and the door frame 500 is provided with a fourth mating part at the contact position with the fire-resistant threshold 600. The fourth mating part mates with the third mating part, and the second fire-resistant pad 505 can be disposed in the fourth mating part. In some embodiments of the present invention, the third mating part can be a second sliding groove 508, and the fourth mating part can be a second protrusion 507 adapted to the shape and size of the second sliding groove 508. The second fire-resistant pad 505 is disposed in the second protrusion 507, and the door frame 500 can drive the second fire-resistant pad 505 to slide in the second sliding groove 508.

[0057] Of course, the arrangement of the second groove 508 and the second protrusion 507 is not limited to this. In some other embodiments of the present invention, the third mating part can be the second protrusion 507, the fourth mating part can be the second groove 508 that mates with the second protrusion 507, and the second fireproof pad 505 can be disposed in the second groove 508.

[0058] like Figure 5 and Figure 6 As shown, in some embodiments of the present invention, the upper end of the first segment 203 of the column structure 200 can be a column support 201, and the lower end of the second segment 204 of the column structure 200 can be connected to a bottom support 202. The column support 201 and the bottom support 202 provide support for the column structure 200, making the column structure 200 more stable. The column support 201 is connected to the civil engineering installation beam 100, and the bottom support 202 is embedded in the platform. The column structure 200, the column support 201, the bottom support 202, and the gantry crane structure beam 300 together form a load-bearing frame, providing a support structure for the installation and operation of the door body composed of the door frame 500 and the fireproof glass 501. The column structure 200, the column support 201, the bottom support 202, and the gantry crane structure beam 300 are all sprayed with fire-retardant paint to ensure the high-temperature stability of the entire structure. In the event of a fire, the integrity of the load-bearing frame can be guaranteed, providing a favorable foundation for the movement of the door and the high-temperature resistance of the door.

[0059] like Figure 1 and Figure 5 As shown, in some embodiments of the present invention, a decorative panel 700 is also provided on the exterior of the gantry crane structural beam 300, and the decorative panel 700 is sprayed with fire-retardant paint. In the event of a fire, the decorative panel 700 can further protect the gantry crane structural beam 300 from damage by open flames.

[0060] like Figure 1 As shown, in some embodiments of the present invention, the civil engineering installation beam 100 constitutes the civil engineering heat exhaust duct 101, which can remove excess heat.

[0061] like Figures 1 to 6As shown, the fireproof shielding door provided by the present application can shield the door machine structure beam 300 from open fire when a fire occurs, for example, when the fire occurs in the train 801, the civil installation beam 100 can shield the door machine structure beam 300 from open fire; at the same time, the heat transfer speed from the civil installation beam 100 to the door machine structure beam 300 can be slowed down by the heat insulation space 400, so as to reduce the damage of high temperature to the door machine structure beam 300. The lower part of the heat insulation space 400 is provided with a fireproof plate 401, which can isolate the heat insulation space 400 from the fire source, so as to further shield the door machine structure beam 300 from open fire. The side of the fireproof plate 401 facing the heat insulation space 400 is provided with fireproof rock wool 402, which will not burn due to high temperature, and can reduce the generation of toxic smoke and molten droplets during the fire, so as to delay the spread of fire.

[0062] In addition, the door frame 500 is provided with a fireproof rubber strip 502 at the sliding position relative to the door machine structure beam 300, and is provided with a sealing rubber strip 503 at the fixed position relative to the door machine structure beam 300. The sealing rubber strip 503 expands when heated, and fills the gap between the door machine structure beam 300 and the door frame 500. The sealing rubber strip 503 can cooperate with the fireproof rubber strip 502, so that the door body composed of the door frame 500 and the fireproof glass 501 can block smoke and open fire.

[0063] The column structure 200, the column support seat 201, the bottom support 202 and the door machine structure beam 300 jointly form a load-bearing frame, and the load-bearing frame is sprayed with fireproof paint, which can delay the burning of fire, ensure the integrity and stability of the load-bearing frame during the fire, and enable the door body to move during the fire.

[0064] When a fire occurs, the sliding door and the emergency door can be opened to enable passengers to evacuate and escape. When the sliding door and the emergency door fail, the glass of the fixed door can also be broken to enable passengers to evacuate and escape.

[0065] The fireproof shielding door provided by the present application can shield the door machine structure beam 300 from open fire by arranging the civil installation beam 100 at a position that can shield the door machine structure beam 300, forming a heat insulation space 400 between the civil installation beam 100 and the door machine structure beam 300, spraying fireproof paint on the load-bearing frame formed by the column structure 200, the column support seat 201, the bottom support 202 and the door machine structure beam 300, and arranging fireproof rubber strips 502 and sealing rubber strips 503 between the door body, so that the fireproof shielding door has a fireproof effect. When a fire occurs, the fireproof shielding door can ensure its integrity for a period of time, can ensure normal operation, and enables passengers to evacuate and escape in time.

[0066] It should be noted that the technical solutions in various embodiments of the present application can be combined with each other, but the basis for the combination is that it can be realized by a person of ordinary skill in the art; when the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, that is, it is not within the protection scope of the present application.

[0067] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, a person of ordinary skill in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A fire rated security door comprising, The utility model relates to a fireproof door structure of a station platform, which comprises the following parts: a civil installation beam located in a tunnel; a column structure arranged on a station platform, the column structure comprising a first section and a second section connected in sequence from top to bottom, the upper end of the first section being connected with the civil installation beam; a door machine structure beam connected with the lower end of the first section, the door machine structure beam being connected between the column structure and the civil installation beam, and part of the mechanism of the civil installation beam shielding the door machine structure beam; a door leaf structure installed on the door machine structure beam; the door machine structure beam, the civil installation beam and the first section of the column structure forming a heat insulation space, the bottom of the heat insulation space being provided with a fireproof plate, one end of the fireproof plate being connected with the door machine structure beam, and the other end of the fireproof plate being connected with the civil installation beam, so that the heat insulation space forms a sealed space.

2. The fire-rated security door of claim 1, wherein, The side of the fireproof plate facing the heat insulation space is provided with fireproof rock wool, one end of the fireproof rock wool being connected with the door machine structure beam, and the other end of the fireproof rock wool being connected with the civil installation beam.

3. The fire-rated security door of claim 1, wherein, The door leaf structure comprises: a plurality of door frames, part of the door frames being fixedly connected with the door machine structure beam, and the other part of the door frames being slidably connected with the door machine structure beam; a plurality of fireproof glasses, the fireproof glasses being connected with the door frames one by one, and the door frames being connected with the outer periphery of the fireproof glasses.

4. The fire-rated security door of claim 3, wherein, The door frames are provided with fireproof adhesive strips at the sliding positions relative to the door machine structure beam.

5. The fire rated security door of claim 4, wherein, The door frames are provided with sealing adhesive strips at the fixed positions relative to the door machine structure beam, the sealing adhesive strips being capable of expanding when heated, and the sealing adhesive strips being suitable for sealing the door frames.

6. The fire rated security door of claim 3, wherein, The bottom end of the fireproof glass is provided with a first fireproof pad at the position in contact with the door frame.

7. The fire rated security door of claim 6, wherein, The utility model further comprises a fireproof door sill connected with the lower end of the second section of the column structure, the door frame having opposite first and second ends along the height, the first end being connected with the door machine structure beam, and the second end being connected with the fireproof door sill, and a second fireproof pad being arranged between the second end of the door frame and the fireproof door sill.

8. The fire-rated security door of any one of claims 1-7, wherein, The civil installation beam constitutes a civil heat exhaust air duct.

Citation Information

Patent Citations

  • Subway shielding door / safety door switching device

    CN201695922U