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CN-224228553-U - Civil air defense engineering smoke-isolation fireproof door

CN224228553UCN 224228553 UCN224228553 UCN 224228553UCN-224228553-U

Abstract

The utility model discloses a smoke-isolation fireproof door for civil air defense engineering, which relates to the technical field of civil air defense engineering and comprises a door frame, wherein a fireproof door mechanism is arranged on the inner side of the door frame and comprises a fireproof door body, the fireproof door body is clamped with the inner ring of the door frame, a sealing square frame is fixedly arranged at the edge of the front end of the fireproof door body, a limiting sealing mechanism is arranged on the front side of the inner ring of the door frame and comprises a reinforcing frame, the outer wall of the reinforcing frame is fixedly connected with the inner ring of the door frame, and a sealing clamping groove is formed in the rear side of the reinforcing frame. According to the utility model, through the mutual matching among the limiting sealing mechanism, the sealing square frame, the inner sealing ring and the outer sealing ring, after the fireproof door body is closed and clamped into the door frame, the sealing performance can be improved by means of the limiting sealing mechanism, heat is prevented from directly passing through a gap between the door frame and the fireproof door body, the sealing ring is prevented from being damaged at high temperature, and the service life of the sealing ring and the heat insulation effect of the whole fireproof door are improved.

Inventors

  • XIA MINGQIANG
  • WU ZHILI

Assignees

  • 重庆美心.麦森门业有限公司

Dates

Publication Date
20260512
Application Date
20250604

Claims (6)

  1. 1. The utility model provides a people's air defense engineering smoke-isolation fireproof door, includes door frame (1), its characterized in that, the inboard of door frame (1) is provided with fireproof door mechanism (2), fireproof door mechanism (2) are including preventing fire door body (21), prevent fire door body (21) and the inner circle joint of door frame (1), prevent fire door body (21) front end edge fixed mounting has sealed square frame (24), the inner circle front side of door frame (1) is provided with spacing sealing mechanism (11), spacing sealing mechanism (11) are including strengthening frame (111), the outer wall of strengthening frame (111) and the inner circle fixed connection of door frame (1), sealed draw-in groove (112) have been seted up to the rear side of strengthening frame (111), sealed square frame (24) and sealed draw-in groove (112) joint, the equal fixed bonding of inner wall inside and outside both sides of sealed draw-in groove (112) has first sealed rubber ring (113), the outer wall fixed mounting of strengthening frame (111) has insulating layer (114), the outer wall fixed mounting of insulating layer (114) has flame retardant coating (115).
  2. 2. The civil air defense engineering smoke-isolation fireproof door according to claim 1, wherein a mechanical turntable locking mechanism (22) is arranged in the center of the front end of the fireproof door body (21), and a door handle (23) is arranged on the left side of the front end of the fireproof door body (21).
  3. 3. The civil air defense engineering smoke-isolating fireproof door according to claim 1, wherein an inner sealing ring (211) is arranged on the inner ring of the sealing frame (24), an outer sealing ring (212) is arranged on the outer ring of the sealing frame (24), the inner sealing ring (211) and the outer sealing ring (212) are fixedly adhered to the front side of the fireproof door body (21), and the front sides of the inner sealing ring (211) and the outer sealing ring (212) are adhered to the rear side of the reinforcing frame (111).
  4. 4. The civil air defense engineering smoke-isolating fireproof door according to claim 1, wherein the second sealing ring (12) is fixedly adhered to the inner ring of the door frame (1), the third sealing ring (213) is fixedly adhered to the outer wall of the fireproof door body (21), and the second sealing ring (12) is positioned at the front side of the third sealing ring (213) after the fireproof door body (21) is clamped with the inner ring of the door frame (1).
  5. 5. The civil air defense engineering smoke-isolation fireproof door according to claim 1, wherein a hinge (214) is fixedly arranged on the right side of the rear end of the fireproof door body (21), and the fireproof door body (21) is hinged with the rear end of the door frame (1) through the hinge (214).
  6. 6. The civil air defense engineering smoke-insulating fireproof door according to claim 1, wherein the reinforcing frame (111) is made of titanium alloy, the heat insulation layer (114) is made of rock wool plates, and the fireproof layer (115) is made of silicate plates covered by steel outer walls.

Description

Civil air defense engineering smoke-isolation fireproof door Technical Field The utility model relates to the technical field of civil air defense engineering, in particular to a smoke-isolation fireproof door for civil air defense engineering. Background The civil air defense door is a door at the entrance and the exit of civil protection engineering, has more vivid classification, comprises common single-leaf and double-leaf protection airtight doors and airtight doors, and has a plurality of civil air defense devices such as a movable threshold single-leaf protection airtight door, a double-leaf protection airtight door and an airtight door, and is also known as civil air defense, so that the civil air defense door belongs to civil air defense protection devices, is usually used in an underground garage or an underground market when not in war, and can quickly seal the entrance of the civil air defense engineering when fire or war occurs, thereby achieving the protection effect. The following problems exist in the prior art: The utility model discloses a civil air defense engineering smoke-isolation fireproof door, which comprises a door frame, wherein a door plate is arranged in the center of the door frame, two hinges are fixedly connected between the door plate and the door frame, a mechanical turntable locking mechanism is arranged on the door plate, a handle is fixedly connected on the door plate, and a sealing assembly is arranged between the door frame and the door plate. Although the first sealing strip and the second sealing strip can be used for sealing in the above documents, the second sealing strip around the door plate does not completely wrap the door plate, so that when smoke is larger, the smoke is likely to pass through gaps at two ends of the second sealing strip, and the smoke isolation effect is affected. Disclosure of utility model The utility model provides a civil air defense engineering smoke-isolation fireproof door, which aims to solve the problems in the background technology. In order to solve the technical problems, the utility model adopts the following technical scheme: The utility model provides a people's air defense engineering smoke-isolation fire door, includes the door frame, the inboard of door frame is provided with prevents fire door mechanism, prevent fire door mechanism including preventing fire door body, prevent fire door body and the inner circle joint of door frame, prevent fire door body's front end edge fixed mounting has sealed square frame, the inner circle front side of door frame is provided with spacing sealing mechanism, spacing sealing mechanism is including strengthening the frame, the outer wall of strengthening the frame and the inner circle fixed connection of door frame, sealed draw-in groove has been seted up to the rear side of strengthening the frame, sealed square frame and sealed draw-in groove joint, the equal fixed bonding of the inside and outside both sides of inner wall of sealed draw-in groove has first sealed rubber ring, the outer wall fixed mounting of strengthening the frame has the insulating layer, the outer wall fixed mounting of insulating layer has the flame retardant coating. The technical scheme of the utility model is further improved in that a mechanical turntable locking mechanism is arranged at the center of the front end of the fireproof door body, and a door handle is arranged on the left side of the front end of the fireproof door body. The technical scheme of the fire door is further improved in that an inner sealing ring is arranged on the inner ring of the sealing frame, an outer sealing ring is arranged on the outer ring of the sealing frame, the inner sealing ring and the outer sealing ring are fixedly adhered to the front side of the fire door body, and the front sides of the inner sealing ring and the outer sealing ring are adhered to the rear side of the reinforcing frame. The technical scheme of the fire door is further improved in that the second sealing ring is fixedly adhered to the inner ring of the door frame, the third sealing ring is fixedly adhered to the outer wall of the fire door body, and the second sealing ring is positioned at the front side of the third sealing ring after the fire door body is clamped with the inner ring of the door frame. The technical scheme of the utility model is further improved in that a hinge is fixedly arranged on the right side of the rear end of the fireproof door body, and the fireproof door body is hinged with the rear end of the door frame by the hinge. The technical scheme of the utility model is further improved in that the reinforcing frame is made of titanium alloy, the heat insulation layer is made of rock wool plates, and the fireproof layer is made of steel outer walls covered with silicate plates. By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress: 1. The utility model provides a civil air