Heat insulation fireproof door for evacuation staircase of high-rise building

Abstract

The utility model discloses a heat insulation fireproof door for high-rise building evacuation staircase, which comprises a fireproof door head, an observation window, a support ring, a door handle and a connecting pipe, an isolation lintel is arranged below the fireproof door head, the observation window is arranged on the isolation lintel, support door posts are arranged on two sides of the isolation lintel, and the door handle is arranged on the support door posts. A water inlet is formed in the fireproof door head and connected with a water passing pipe, an isolation ball and a connecting pipe are installed in the water passing pipe, the connecting pipe is connected with a supporting bolt, a glass body is arranged below the supporting bolt, a supporting rod is arranged on the left side of the isolation lintel, and a supporting ring is arranged below the supporting rod. According to the equipment, through a glass body mechanism arranged in the fireproof door head, when the temperature reaches the set temperature, a glass body can be broken to relieve limitation on the supporting bolt on the upper portion, an isolation ball can leave a water passing pipe, and water conducts fire extinguishing on the two sides of an isolation door plate through a water spraying pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of fire door isolation, in particular to a heat-insulating fire door used in evacuation stairwells of high-rise buildings. Background Art

[0002] Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. It is a fireproof partition with a certain degree of fire resistance installed between fire compartments, evacuation stairwells, vertical shafts, etc. It is specially used to isolate fire sources in housing buildings. In addition to the functions of ordinary doors, fire doors can also prevent the spread of fire and smoke. They can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel, which plays a huge role in firefighting. Once a fire occurs, people can get an escape opportunity through fire doors, but the existing fire doors have some shortcomings, such as:

[0003] The fireproof door described in Publication No. CN205876107U comprises a door frame, a door leaf and an anti-mistake locking mechanism for limiting the door leaf from rotating around its door axis in the direction of closing the door leaf, the door frame comprising two oppositely arranged cross beams and two oppositely arranged longitudinal beams, the cross beams being perpendicular to the longitudinal beams, and adjacent cross beams being fixedly connected to the longitudinal beams; the door leaf being installed in the door frame, the upper and lower ends of the door leaf being rotatably connected to the two cross beams respectively, the axis of rotation of the door leaf relative to the cross beams being parallel to the longitudinal beams, the anti-mistake locking mechanism being arranged on the door leaf, and due to its simple structure it can only play an isolating role, and cannot prevent the spread of fire for a long time.

[0004] Therefore, we propose a heat-insulating fire door for evacuation stairwells in high-rise buildings to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a heat-insulating fireproof door for evacuation stairwells of high-rise buildings, so as to solve the problem in the prior art that the door has a simple structure and can only play an isolating role but cannot prevent the spread of fire for a long time.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat-insulating fire door for evacuation stairwells of high-rise buildings, comprising a fire door head, an observation window, a support ring, a door handle and a connecting pipe;

[0007] An isolation lintel is arranged below the fire door head, an observation window is arranged on the isolation lintel, and supporting door posts are installed on both sides of the isolation lintel, a water inlet is opened on the fire door head, the water inlet is connected to a water pipe, isolation beads and connecting pipes are installed in the water pipe, the connecting pipe is connected to a supporting bolt, a glass body is arranged below the supporting bolt, a supporting rod is arranged on the left side of the isolation lintel, a supporting ring is arranged below the support rod, and a supporting door post is installed on the right side of the support ring.

[0008] Preferably, an isolation lintel is fixedly connected below the fire door head, an opening penetrating both sides is arranged at the center line position above the isolation lintel, a glass body is installed in the opening of the isolation lintel, a support bolt is installed above the glass body, the support bolt can completely fill the opening of the isolation lintel, observation windows are opened on both sides of the center line of the isolation lintel, and the observation windows occupy two-fifths of the area of ​​the isolation lintel; adopting the above technical solution;

[0009] By adopting the above technical solution, the fire spreading situation can be checked in time through the observation window arranged on the isolation door lintel, so as to prevent people from getting lost and mistakenly entering the fire area, thereby improving the safety of personnel.

[0010] Preferably, the support door post is a semicircular column structure, and a support ring is fixedly connected to the bottom of the support door post, a support ring is fixedly connected to the connection between the support door post and the isolation door lintel, a support rod is fixedly connected to the right side of the isolation door lintel, the support rod passes through the support ring, and the isolation door lintel is rotatably connected to the support door post through the support ring;

[0011] By adopting the above technical solution, the normal operation of the isolation door lintel can be ensured by supporting the support ring on the door post, and the support door post is set in a semicircular shape to provide a larger door opening radius to improve the passing rate of people.

[0012] Preferably, a door handle is fixedly connected to the left side of the midline position of the isolation door panel, and the door handle is L-shaped. The isolation door panel is divided into two parts, and the inner door panel of the isolation door panel is smaller than the outer door panel, but the thickness of the outer door panel is only one fifth of the inner door panel;

[0013] By adopting the above technical solution, the two isolation door panels are closed, and the different areas of the inner and outer door panels can wrap around each other to improve the isolation performance of the isolation door panels.

[0014] Preferably, a water inlet is provided at the center line position above the fire door head, the water inlet is five centimeters higher than the fire door head, a water pipe is provided below the water inlet, the water pipe is a double-channel design, and water spray pipes are connected to both sides of the water pipe, an isolation bead is installed at the center line position of the water pipe, and a support bolt is fixedly connected to the isolation bead below through a connecting pipe;

[0015] By adopting the above technical solution, the glass mechanism is arranged in the fire door head. When the temperature of the isolation area reaches the set temperature, the glass will be triggered, and the isolation and fire extinguishing functions will be achieved through the water spray pipe.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The device uses a glass body mechanism installed in the fire door head. When the temperature reaches the set temperature, the glass body will break and remove the restriction on the upper support bolt. The isolation beads will leave the water pipe, and water will extinguish the fire on both sides of the isolation door panel through the water spray pipe.

[0018] 2. The support ring on the support door post can ensure the normal operation of the isolation door panel. The support door post is set to a semicircular shape to provide a larger door opening radius to increase the passing rate of personnel. When the two isolation door panels are closed, the different areas of the inner and outer door panels can wrap each other to improve the isolation performance of the isolation door panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a right-side stereoscopic structural schematic diagram of the utility model;

[0020] Figure 2 It is a front structural schematic diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model when viewed from the left side;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model when viewed from the right side;

[0023] Figure 5 This is a schematic diagram of the right side cross-sectional structure of the fire door head of the utility model;

[0024] Figure 6 It is a schematic diagram of the cross-sectional three-dimensional structure of the fireproof door head of the present utility model.

[0025] In the figure: 1. Fire door head; 2. Observation window; 3. Support ring; 4. Door handle; 5. Support rod; 6. Isolation door lintel; 7. Support bolt; 8. Glass body; 9. Isolation door panel; 10. Sprinkler pipe; 11. Support door post; 12. Connecting pipe; 13. Water inlet; 14. Isolation beads; 15. Water pipe. 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] See also Figure 1-6 , the utility model provides a technical solution: a heat-insulating fire door for evacuation stairwells of high-rise buildings, comprising a fire door head 1, an observation window 2, a support ring 3, a door handle 4 and a connecting pipe 12;

[0028] An isolation lintel 6 is arranged below the fire door head 1, and an isolation lintel 6 is fixedly connected below the fire door head 1. An opening penetrating both sides is arranged at the midline position above the isolation lintel 6, and a glass body 8 is installed in the opening of the isolation lintel 6. A support bolt 7 is installed above the glass body 8, and the support bolt 7 can completely fill the opening of the isolation lintel 6. Observation windows 2 are arranged on both sides of the midline of the isolation lintel 6, and the observation windows 2 occupy two-fifths of the area of ​​the isolation lintel 6; adopting the above technical scheme, the fire spread can be checked in time through the observation windows 2 arranged on the isolation lintel 6, so as to prevent people from getting lost and mistakenly entering the fire area, and improve the safety of personnel, an observation window 2 is arranged on the isolation lintel 6, and support door posts 11 are installed on both sides of the isolation lintel 6, and the support door posts 11 are semicircular column structures, and support door posts 11 are fixedly connected below the support door posts 11. A support ring 3 is fixedly connected to the connection between the support door post 11 and the isolation door lintel 6, a support rod 5 is fixedly connected to the right side of the isolation door panel 9, the support rod 5 passes through the support ring 3, and the isolation door panel 9 is rotatably connected to the support door post 11 through the support ring 3. The normal operation of the isolation door panel 9 can be guaranteed by the support ring 3 on the support door post 11, and the support door post 11 is set in a semicircular shape to provide a larger door opening radius to improve the passing rate of personnel. A water inlet 13 is opened on the fire door head 1, and the water inlet 13 is connected to a water pipe 15. Isolation beads 14 and a connecting pipe 12 are installed in the water pipe 15. The connecting pipe 12 is connected to the support bolt 7, and a glass body 8 is arranged below the support bolt 7. A support rod 5 is arranged on the left side of the isolation door lintel 6, a support ring 3 is arranged below the support rod 5, and a support door post 11 is installed on the right side of the support ring 3;

[0029] A door handle 4 is fixedly connected to the left side of the midline position of the isolation door panel 9, and the door handle 4 is L-shaped. The isolation door panel 9 is divided into two parts, and the inner door panel of the isolation door panel 9 is smaller than the outer door panel, but the thickness of the outer door panel is only one-fifth of the inner door panel. When the two isolation door panels 9 are closed, the different areas of the inner and outer door panels can wrap each other to improve the isolation performance of the isolation door panel 9. A water inlet 13 is opened at the midline position above the fire door head 1. The water inlet 13 is five centimeters higher than the fire door head 1. A water pipe 15 is arranged below the water inlet 13. The water pipe 15 is a double-path design, and water spray pipes 10 are connected on both sides of the water pipe 15. An isolation bead 14 is installed at the midline position of the water pipe 15, and a support bolt 7 is fixedly connected to the isolation bead 14 through a connecting pipe 12 below the isolation bead 14. By placing the glass body 8 in the fire door head 1, when the temperature of the isolation area reaches the set temperature, the glass body 8 will be triggered, and the isolation and fire extinguishing functions will be achieved through the water spray pipe 10.

[0030] Working principle: When using this kind of insulated fire door for evacuation stairwells in high-rise buildings, when a fire occurs, the isolation lintel 6 is closed by the door handle 4, and the situation on the isolation side can be observed through the observation window 2 above the isolation lintel 6. When the fire begins to spread, the temperature begins to rise. When the set temperature of the glass body 8 is reached, the glass body 8 will be burst by the internal liquid. At the same time, the support bolt 7 above falls and takes away the isolation beads 14 through the connecting pipe 12. Water will enter the water spray pipe 10 from the water inlet 13 through the water pipe 15, and water will be sprayed on both sides of the isolation lintel 6 at the same time to cool down and extinguish the fire.

[0031] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A heat-insulating fire door for use in evacuation stairwells of high-rise buildings, comprising a fire door head (1), an observation window (2), a support ring (3), a door handle (4), a support rod (5), an isolation door lintel (6), a support bolt (7), a glass body (8), an isolation door panel (9), a water spray pipe (10), a support door post (11), a connecting pipe (12), a water inlet (13), an isolation bead (14) and a water pipe (15), characterized in that: An isolation lintel (6) is arranged below the fire door head (1), an observation window (2) is arranged on the isolation lintel (6), and support door posts (11) are installed on both sides of the isolation lintel (6). A water inlet (13) is opened on the fire door head (1), the water inlet (13) is connected to a water pipe (15), an isolation bead (14) and a connecting pipe (12) are installed in the water pipe (15), the connecting pipe (12) is connected to a support bolt (7), a glass body (8) is arranged below the support bolt (7), a support rod (5) is arranged on the left side of the isolation lintel (6), a support ring (3) is arranged below the support rod (5), and a support door post (11) is installed on the right side of the support ring (3).

2. The heat-insulating fireproof door for evacuation stairwells in high-rise buildings according to claim 1, characterized in that: An isolation door lintel (6) is fixedly connected below the fire door head (1), and an opening penetrating through both sides is arranged at a midline position above the isolation door lintel (6), a glass body (8) is installed in the opening of the isolation door lintel (6), and a support bolt (7) is installed above the glass body (8), and the support bolt (7) can completely fill the opening of the isolation door lintel (6), and observation windows (2) are opened on both sides of the midline of the isolation door lintel (6), and the observation windows (2) occupy two fifths of the area of ​​the isolation door lintel (6).

3. The heat-insulating fireproof door for evacuation stairwells in high-rise buildings according to claim 2, characterized in that: The supporting door post (11) is in the form of a semicircular column structure, and a supporting ring (3) is fixedly connected to the bottom of the supporting door post (11), and a supporting ring (3) is fixedly connected to the connection between the supporting door post (11) and the isolation door lintel (6).

4. The heat-insulating fireproof door for evacuation stairwells in high-rise buildings according to claim 2, characterized in that: A door handle (4) is fixedly connected to the left side of the midline position of the isolation door panel (9), and the door handle (4) is L-shaped. The isolation door panel (9) is divided into two parts, and the inner door panel of the isolation door panel (9) is smaller than the outer door panel, but the thickness of the outer door panel is only one-fifth of the inner door panel. A support rod (5) is fixedly connected to the right side of the isolation door panel (9), and the support rod (5) passes through the support ring (3). The isolation door panel (9) is rotatably connected to the support door column (11) through the support ring (3).

5. The heat-insulating fireproof door for evacuation stairwells in high-rise buildings according to claim 1, characterized in that: A water inlet (13) is provided at the centerline position above the fire door head (1), and the water inlet (13) is five centimeters higher than the fire door head (1). A water pipe (15) is provided below the water inlet (13), and the water pipe (15) is of a double-path design, and water spray pipes (10) are connected to both sides of the water pipe (15). An isolation bead (14) is installed at the centerline position of the water pipe (15), and a support bolt (7) is fixedly connected to the isolation bead (14) below the isolation bead (14) via a connecting pipe (12).

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