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CN-224214067-U - Smoke-isolation fireproof door

CN224214067UCN 224214067 UCN224214067 UCN 224214067UCN-224214067-U

Abstract

The utility model relates to the technical field of fireproof doors, in particular to a smoke-isolation fireproof door which comprises a fireproof door frame, a fireproof door plate and a sealing component, wherein an installation groove is formed in the inner wall of the fireproof door frame, the fireproof door plate is rotatably connected with the fireproof door frame, a containing groove is formed in the fireproof door plate, the sealing component is connected to the fireproof door plate and comprises a plurality of isolation components and a protection component, the isolation components comprise a telescopic device and an expansion sealing strip, and the protection component comprises a sealing plate, an inclined plate and a first elastic piece. In the utility model, smoke generated by fire can trigger the smoke alarm, the smoke alarm can directly cut off power supply, and after power failure, the isolation assembly can push the expansion sealing strip to be close to the fireproof door frame to form a frame body for blocking a gap between the fireproof door plate and the fireproof door frame, and the frame body is used for avoiding harmful gas transmission generated by fire.

Inventors

  • CAO YUHUA
  • HUANG AIQIN
  • ZHANG DEYAN
  • WANG YUN
  • LIU SHASHA
  • CHEN CHEN

Assignees

  • 山东硕鼎门业有限公司

Dates

Publication Date
20260508
Application Date
20250604

Claims (7)

  1. 1. A smoke-insulating fireproof door, which is characterized by comprising The fireproof door comprises a fireproof door frame (1), wherein an installation groove is formed in the inner wall of the fireproof door frame (1), the fireproof door frame (1) is rotationally connected with a fireproof door plate (2), and a containing groove is formed in the fireproof door plate (2); The sealing assembly comprises a plurality of isolation assemblies and protection assemblies, wherein the isolation assemblies comprise a telescopic device (3) and an expansion sealing strip (4), the telescopic device (3) is connected in a containing cavity formed in the fireproof door plate (2), the expansion sealing strip (4) is arranged at the telescopic end of the telescopic device (3), the protection assemblies comprise sealing plates (5), inclined plates (6) and first elastic pieces (7), the sealing plates (5) are symmetrically arranged in two, the sealing plates (5) are arranged in containing grooves, the sealing plates (5) are connected with the inclined plates (6), two ends of the elastic pieces, corresponding to the inclined plates (6), of each sealing plate are connected with the containing grooves and the inclined plates (6), and in the use state of the sealing assembly, the moving ends of the telescopic devices (3) move upwards to drive the expansion sealing strip (4) to form a sealing frame, and the inclined plates (6) are pushed by the first elastic pieces (7) to enable the sealing plates (5) to rotate to be parallel to the expansion sealing strip (4).
  2. 2. The smoke-insulating fireproof door according to claim 1, wherein the isolation assembly further comprises moving plates (8), the number of the moving plates corresponds to that of the telescopic devices (3), the moving plates (8) are parallel to the fireproof door plate (2), the moving plates (8) are connected with telescopic ends of the telescopic devices (3), and one sides of the moving plates (8) are connected with the expansion sealing strips (4); The second elastic pieces (9) are distributed in a plurality, and two ends of the second elastic pieces (9) are respectively connected with the moving plate (8) and the accommodating groove; And the smoke alarm (10) is connected to the fireproof door plate (2), and the smoke alarm (10) is electrically connected with the telescopic device (3).
  3. 3. The smoke-insulating fireproof door according to claim 1, wherein the expansion sealing strips (4) are arranged in a staggered manner, the two ends of any two expansion sealing strips (4) which are symmetrically arranged are provided with matching grooves (11), and the two ends of the other two expansion sealing strips (4) which are symmetrically arranged are provided with matching blocks (12) which are in sliding connection with the matching grooves (11).
  4. 4. The smoke-isolation fireproof door according to claim 1, wherein the protection component further comprises two rotating shafts (13), two rotating shafts (13) are symmetrically arranged, two ends of each rotating shaft (13) are rotatably connected with fixing seats (14), each fixing seat (14) is connected in a containing groove formed in the fireproof door plate (2), and each rotating shaft (13) is connected with the corresponding sealing plate (5); The extrusion block (15) is connected to one end of the movable plate (8) far away from the expansion sealing strip (4), and the extrusion block (15) is in sliding connection with the inclined plate (6).
  5. 5. The smoke-insulating fireproof door according to claim 1, characterized in that a fitting frame (16) arranged in a square shape is connected in the installation groove, a plurality of convex strips (17) arranged in parallel are connected to the fitting frame (16), and the convex strips (17) are in sliding connection with the expansion sealing strips (4).
  6. 6. The smoke-insulating fireproof door according to claim 1, characterized in that the fireproof door plate (2) is provided with an observation window (18), and the observation window (18) is provided with fireproof glass.
  7. 7. A smoke-insulating fire door as claimed in claim 1, characterised in that the fire door panels (2) are provided with a fire-resistant coating on both the inner and outer sides.

Description

Smoke-isolation fireproof door Technical Field The utility model relates to the technical field of fireproof doors, in particular to a smoke-isolation fireproof door. Background Fireproof doors are doors that meet the requirements of fire resistance stability, integrity and thermal insulation over a period of time. The fire-proof partition is a fire-proof partition with certain fire resistance, which is arranged among fire-proof partitions, evacuation stairways, vertical shafts and the like, and is specially used for isolating fire sources in house construction. The Chinese patent with the bulletin number of CN221144166U discloses a fireproof door with a smoke isolation function, which is characterized by comprising a door frame, a fireproof door body, a sealing frame, a smoke alarm and a smoke sealing alarm, wherein a sealing groove is formed in the door frame, the fireproof door body is arranged on the door frame, a door closer is arranged on the fireproof door body, a door handle is further arranged on the fireproof door body, the sealing frame is in sealing connection with the sealing groove, the surface of the sealing frame is provided with an expansion sealing strip, and the smoke alarm is arranged on the fireproof door body. But in above-mentioned technical scheme, only through setting up the inflation sealing strip on sealing frame, produce the characteristic of inflation and stop up the gap of preventing fire door in order to carry out isolated smog through inflation sealing strip self when being heated, but at some fire sources far away from preventing fire door, the smog is less than flame temperature to preventing fire door under the circumstances that the gap flows in, can appear the unable inflation sealing strip of triggering of temperature, leads to its unable thermal expansion to seal to prevent fire door the condition emergence in gap. Disclosure of utility model The utility model aims to solve the problems in the background technology and provides a smoke-isolation fireproof door. The smoke-isolating fireproof door comprises a fireproof door frame, wherein an installation groove is formed in the inner wall of the fireproof door frame, the fireproof door frame is rotationally connected with a fireproof door plate, an accommodating groove is formed in the fireproof door plate, a sealing assembly is connected to the fireproof door plate, the sealing assembly comprises a plurality of isolation assemblies and protection assemblies, the isolation assemblies comprise telescopic devices and expansion sealing strips, the telescopic devices are connected into accommodating cavities formed in the fireproof door plate, the expansion sealing strips are arranged at the telescopic ends of the telescopic devices, the protection assemblies comprise sealing plates, inclined plates and first elastic pieces, the sealing plates are symmetrically arranged in the two accommodating grooves, the sealing plates are connected with the inclined plates, two ends of the elastic pieces corresponding to the inclined plates are connected with the accommodating groove and the inclined plates, and in a use state of the sealing assembly, the moving ends of the telescopic devices move upwards to drive the expansion sealing strips to form a sealing frame, and the first elastic pieces push the inclined plates to enable the sealing plates to rotate to be parallel to the expansion sealing strips. Preferably, the isolation assembly further comprises moving plates, a plurality of second elastic pieces and smoke alarms, wherein the number of the moving plates corresponds to that of the telescopic devices, the moving plates are parallel to the fireproof door plate, the moving plates are connected with telescopic ends of the telescopic devices, one sides of the moving plates are connected with expansion sealing strips, the second elastic pieces are distributed in a plurality, two ends of the second elastic pieces are respectively connected with the moving plates and the accommodating grooves, the smoke alarms are connected to the fireproof door plate, and the smoke alarms are electrically connected with the telescopic devices. Preferably, the expansion sealing strips are arranged in a staggered manner, the two ends of any two expansion sealing strips which are symmetrically arranged are provided with matching grooves, and the two ends of the other two expansion sealing strips which are symmetrically arranged are provided with matching blocks which are in sliding connection with the matching grooves. Preferably, the protection assembly further comprises two rotating shafts, two rotating shafts and an extrusion block, wherein the two rotating shafts are symmetrically arranged, two ends of each rotating shaft are rotationally connected with fixing seats, the fixing seats are connected in accommodating grooves formed in the fireproof door plate, the rotating shafts are connected with the sealing plates, the extrusion block is connected t