CN210460414U

CN210460414U - Steel fireproof door

Info

Publication number: CN210460414U
Application number: CN201921021727.2U
Authority: CN
Inventors: 刘春梅; 孟平
Original assignee: Anhui Safety Fire Safety Equipment Co Ltd
Current assignee: Anhui Safety Fire Safety Equipment Co Ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-05-05
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses a fire door is prevented to steel, including fire prevention door leaf and fire prevention door frame, fire prevention door leaf with rotate through a plurality of fire prevention hinges between the fire prevention door frame and connect, fire prevention door leaf is through a plurality of fire prevention panel interconnect to form door leaf skeleton texture, fire prevention door leaf is filled in and is pressed fire prevention door core. Has the advantages that: the fireproof door frame and the fireproof panel in the fireproof door of the utility model both adopt cold-rolled galvanized steel plates, and the fireproof door core plate is arranged on the inner layer of the fireproof door leaf, so that the fireproof door is not easy to warp, bend and other deformations under the condition of higher temperature; in addition, install compound thermal-insulated type fire prevention glass structure on fire door leaf, when the conflagration breaing out, can observe the intensity of a fire condition in the fire door, and float white glass can improve visible light transmittance height, improves the security, and the contact site of fire door frame and fire door leaf medial surface is equipped with the second fire prevention inflation sealing member, and fire behavior is better, has avoided stretching of intensity of a fire.

Description

Steel fireproof door

Technical Field

The utility model relates to a prevent fire door technical field, especially relate to a fire door is prevented to steel.

Background

The fireproof door is a door which can meet the requirements of fire resistance, integrity and heat insulation within a certain time, and is a fireproof partition which is arranged between fireproof partitions, evacuation staircases, vertical shafts and the like and has certain fire resistance. For example: the fire extinguishing device is attached to equipment rooms (steel bottle rooms, foam stations and the like) for fixing the fire extinguishing device in high-rise civil buildings, and the first-level fireproof door is adopted as a partition wall door of a ventilation and air conditioning machine room and the like; a class A fireproof door is adopted for a door on a partition wall of a basement room where people often stay or combustible materials are more; because of the limitation of conditions, a boiler for burning oil and gas, a power transformer for burning oil and soaking combustible oil, a high-voltage capacitor filled with combustible oil, a switch and the like must be arranged in a high-rise building, and a door on a partition wall of a special room is a class-A fireproof door. And the special-requirement fire-proof individual door is designed, such as the individual door of a fire-fighting monitoring command center, a file data room, a valuable goods warehouse and the like, and a class A or class B fire-proof door is usually selected. The individual door of high-rise high-grade residential building is usually a fire-proof anti-theft door. The fire door is an important component in fire-fighting equipment and is an important part in social fire prevention, and a door closer of the fire door or a door closing device (except for a special part, such as a pipeline well door and the like) for automatically closing a door leaf of a normally open fire door can be arranged on the fire door.

The existing fireproof door has at least the following disadvantages in the using process: when a fire disaster occurs, the fireproof door is automatically closed under the action of the door closer, the fireproof door is easy to warp, bend and the like under the condition of high temperature, so that a gap is formed between the fireproof door body and the fireproof door frame, and flame or dense smoke is easy to escape from the gap, so that the safety protection performance is reduced, the fireproof effect is poor, and safety accidents are easy to occur; in addition, in case of fire, dense smoke occurs, which is difficult to observe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel fireproof door, which is not easy to warp, bend and other deformations under the condition of high temperature; the visible light transmittance is improved, and the safety is improved; the spread of fire is avoided, and the structure is simple.

The technical scheme of the utility model is realized like this:

the utility model provides a fire door is prevented to steel, includes fire prevention door leaf and fire prevention door frame, fire prevention door leaf with rotate through a plurality of fire prevention hinges between the fire prevention door frame and be connected, fire prevention door leaf passes through a plurality of fire prevention panel interconnect to form door leaf skeleton texture, fire prevention door leaf intussuseption is pressed and is prevented fire door core, just install compound thermal-insulated type fire prevention glass structure on the fire prevention door leaf.

The composite heat-insulation fireproof glass structure comprises a plurality of glass pressing strips, first fireproof expansion sealing pieces and float white glass, wherein the glass pressing strips are connected with one another to form a pressing strip mounting frame and are mounted on the fireproof door leaf, a framework is mounted between the pressing strip mounting frame and the fireproof door core plate, the float white glass is arranged in the pressing strip mounting frame, a mounting notch is formed between the glass pressing strips and the framework, and the first fireproof expansion sealing pieces are arranged between the mounting notch and the float white glass.

Furthermore, a fireproof door closer is arranged between the top of the fireproof door leaf and the fireproof door frame.

Furthermore, a fireproof lock is installed on the left side of the fireproof door leaf.

Further, the float white glass is filled with fireproof liquid.

Furthermore, the fireproof door frame is connected with each other through a plurality of cold-rolled galvanized steel sheets to form a door frame framework structure.

Furthermore, fireproof notches are formed in the side faces of two ends, extending along the length direction, of the fireproof door leaf, a second fireproof expansion sealing piece is arranged at the contact position of the fireproof door frame and the inner side face of the fireproof door leaf, and the second fireproof expansion sealing piece is embedded in the fireproof notches.

Furthermore, the thickness of the fireproof door leaf is 50mm, the fireproof panel is a 0.8mm cold-rolled galvanized steel sheet, the glass bead is a 1.2mm cold-rolled galvanized steel sheet, and the fireproof door frame is a 1.2mm cold-rolled galvanized steel sheet.

The utility model has the advantages that: the fireproof door frame and the fireproof panel in the fireproof door of the utility model both adopt cold-rolled galvanized steel plates, and the fireproof door core plate is arranged on the inner layer of the fireproof door leaf, so that the fireproof door is not easy to warp, bend and other deformations under the condition of higher temperature; in addition, install compound thermal-insulated type fire prevention glass structure on fire prevention door leaf, when the conflagration breaing out, can observe the intensity of a fire condition in the fire prevention door, and float white glass can improve visible light transmittance and pass through the height, improves the security, and the contact site of fire prevention door frame and fire prevention door leaf medial surface is equipped with the second fire prevention inflation sealing member, and fire behavior is better, has avoided stretching of intensity of a fire, simple structure, and the effect is obvious, and the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 is a schematic diagram of a steel fire rated door;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

fig. 4 is a sectional view taken along the direction C-C in fig. 1.

In the figure:

1. a fire door closer; 2. a fire-proof hinge; 3. float white glass; 4. a fireproof lock; 5. a fireproof door leaf; 6. A fireproof door frame; 7. a second fire resistant intumescent seal; 8. a first fire resistant intumescent seal; 9. a fire door core; 10. a fire-resistant panel; 11. pressing a glass strip; 12. a framework; 13. cold-rolling a galvanized steel sheet; 14. a composite heat-insulating fireproof glass structure; 15. a trim strip mounting frame; 16. installing a notch; 17. a fire-proof notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

According to the utility model discloses an embodiment provides a fire door is prevented to steel.

Referring to fig. 1-4, according to the utility model discloses fire door is prevented to steel, including fire door leaf 5 and fire door frame 6, fire door leaf 5 with rotate through a plurality of fire prevention hinges 2 between the fire door frame 6 and connect, fire door leaf 5 is through a plurality of fire prevention panel 10 interconnect to form door leaf skeleton texture, fire door leaf 5 is filled in and is pressed fire door core 9, just install compound thermal-insulated type fire prevention glass structure 14 on the fire door leaf 5.

The composite heat-insulation fireproof glass structure 14 comprises a plurality of glass beads 11, first fireproof expansion sealing pieces 8 and float white glasses 3, wherein the glass beads 11 are connected with one another to form a bead mounting frame 15 and are mounted on the fireproof door leaf 5, a framework 12 is mounted between the bead mounting frame 15 and the fireproof door core plate 9, the float white glasses 3 are arranged in the bead mounting frame 15, a mounting notch 16 is formed between the glass beads 11 and the framework 12, and a plurality of first fireproof expansion sealing pieces 8 are arranged between the mounting notch 16 and the float white glasses 3.

In one embodiment, a fire door closer 1 is installed between the top of the fire door leaf 5 and the fire door frame 6. Through setting up prevent fire door closer 1 can prevent spreading of fire under the unexpected condition.

In one embodiment, the fireproof lock 4 is mounted on the left side of the fireproof door leaf 5.

In one embodiment, the float white glass 3 is filled with a fire-retardant liquid. The float white glass 3 can improve the visible light transmittance and the safety.

In one embodiment, the fire door frames 6 are interconnected by a number of cold rolled galvanized steel sheets 13 and form a door frame skeleton structure.

In one embodiment, fire-proof notches 17 are formed in both side surfaces of the fire-proof door leaf 5 extending along the length direction, a second fire-proof expansion sealing member 7 is arranged at a contact portion between the fire-proof door frame 6 and the inner side surface of the fire-proof door leaf 5, and the second fire-proof expansion sealing member 7 is embedded in the fire-proof notches 17.

In one embodiment, the thickness of the fire door leaf 5 is 50mm, the fire panel 10 is a 0.8mm cold-rolled galvanized steel sheet, the glass bead 11 is a 1.2mm cold-rolled galvanized steel sheet, and the fire door frame 6 is a 1.2mm cold-rolled galvanized steel sheet.

The framework 12 is arranged between the inner side of the fireproof panel 10 and the fireproof door core plate 9.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The steel fireproof door is characterized by comprising a fireproof door leaf (5) and a fireproof door frame (6), wherein the fireproof door leaf (5) is rotatably connected with the fireproof door frame (6) through a plurality of fireproof hinges (2), the fireproof door leaf (5) is mutually connected through a plurality of fireproof panels (10) to form a door leaf framework structure, a fireproof door core plate (9) is filled in the fireproof door leaf (5), and a composite heat-insulation fireproof glass structure (14) is installed on the fireproof door leaf (5);

the composite heat-insulation fireproof glass structure (14) comprises a plurality of glass pressing strips (11), first fireproof expansion sealing pieces (8) and float white glass (3), wherein the glass pressing strips (11) are connected with one another to form a pressing strip installation frame (15) and are installed on the fireproof door leaf (5), a framework (12) is installed between the pressing strip installation frame (15) and the fireproof door core plate (9), the float white glass (3) is arranged in the pressing strip installation frame (15), installation notches (16) are formed between the glass pressing strips (11) and the framework (12), and a plurality of first fireproof expansion sealing pieces (8) are arranged between the installation notches (16) and the float white glass (3).

2. The fire steel door according to claim 1, characterized in that between the top of the fire door leaf (5) and the fire door frame (6) is mounted a fire door closer (1).

3. Fire door steel door according to claim 1, characterized in that the fire lock (4) is mounted on the left side of the fire door leaf (5).

4. Fire door according to claim 1, characterised in that said float glass (3) is filled with a fire-retardant liquid.

5. Fire door steel door according to claim 1, characterised in that said fire door frames (6) are interconnected by means of cold-rolled galvanized steel sheets (13) and form a frame skeleton structure.

6. The fire steel door according to claim 1, wherein fire notches (17) are formed in both end sides of the fire door leaf (5) extending in the length direction, a second fire expansion sealing member (7) is disposed at a contact portion between the fire door frame (6) and the inner side of the fire door leaf (5), and the second fire expansion sealing member (7) is embedded in the fire notches (17).

7. Fire door steel door according to claim 1, characterised in that the thickness of the fire door leaf (5) is 50mm, the fire panel (10) is a 0.8mm cold-rolled galvanized steel sheet, the glazing bead (11) is a 1.2mm cold-rolled galvanized steel sheet and the fire door frame (6) is a 1.2mm cold-rolled galvanized steel sheet.