CN214659769U

CN214659769U - Fireproof door containing flame retardant material

Info

Publication number: CN214659769U
Application number: CN202022974924.5U
Authority: CN
Inventors: 樊小诚; 黄业辉
Original assignee: Guangxi Nanning Yechen Fire Technology Co ltd
Current assignee: Guangxi Nanning Yechen Fire Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-11-09
Anticipated expiration: 2030-12-09

Abstract

The utility model belongs to the technical field of fire doors, in particular to a fire door containing fire-retardant materials, which comprises a door frame and a door leaf, wherein the door leaf is hinged in the door frame through a fire-proof hinge, the door leaf comprises a surrounding steel framework and a galvanized steel panel pasted outside the steel framework, and a door body is filled in a region surrounded by the surrounding steel framework and the galvanized steel panel; the door body comprises a front door plate, a middle door plate and a rear door plate, wherein the upper surface and the lower surface of the middle door plate are provided with a plurality of uniformly distributed U-shaped grooves, and bulges matched with the U-shaped grooves are arranged on the surfaces of the front door plate and the rear door plate. The utility model discloses contain flame retardant material, simple structure, it is with low costs, sound absorption sound insulation is effectual, it is good to hinder hot effect, is fit for further using widely.

Description

Fireproof door containing flame retardant material

Technical Field

The utility model belongs to the technical field of prevent fire door, concretely relates to prevent fire door that contains fire-retardant material.

Background

The fireproof door is a door which can meet the requirements of fire-resistant stability, 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. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people. Fireproof door often is used some need give sound insulation and hinder in hot building body or the room, and fireproof door sound absorption among the prior art sound-proof effect is poor and hinder thermal property not good, reduces people's quality of life.

In view of the above, it is necessary to develop a fire door containing a fire retardant material to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above technical problem, provide a fire door that prevents that contains fire-retardant material, prevent that fire door contains fire-retardant material, simple structure, it is with low costs, sound absorption sound insulation is effectual, it is good to hinder hot effect, is fit for further using widely.

The technical scheme of the utility model is that:

a fireproof door containing flame retardant materials comprises a door frame and a door leaf, wherein the door leaf is hinged in the door frame through a fireproof hinge, the door leaf comprises a surrounding steel framework and a galvanized steel panel adhered to the outer side of the steel framework, and a door body is filled in an area surrounded by the surrounding steel framework and the galvanized steel panel;

the door body comprises a front door plate, a middle door plate and a rear door plate, wherein the upper surface and the lower surface of the middle door plate are provided with a plurality of uniformly distributed U-shaped grooves, and bulges matched with the U-shaped grooves are arranged on the surfaces of the front door plate and the rear door plate.

Furthermore, the interior of the front door plate and the interior of the rear door plate are made of wood-plastic composite materials, and the surfaces of the front door plate and the rear door plate are provided with flame-retardant and heat-insulating fireproof layers.

Further, the thickness of the fireproof layer is 0.2-0.3 mm.

Further, the middle door panel is a damping sound insulation panel.

Furthermore, an observation window is arranged on the door leaf, the observation window is of a rectangular structure, and fireproof glass is arranged in the observation window.

Further, a door handle is arranged on the door leaf.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

(1) the utility model provides a pair of prevent fire door that contains fire-retardant material, door plant include preceding door plant, middle door plant and back door plant, wherein, preceding door plant with back door plant is the PLASTIC LAMINATED, the inside wood-plastic composite that is of PLASTIC LAMINATED, the quality is light, and the price is low, and the surface is equipped with fire-retardant thermal-insulated flame retardant coating, has guaranteed wood-plastic composite's refractiveness, middle door plant is the damping acoustic celotex board, possesses the function that gives sound insulation.

(2) Because the material properties of the front door plate, the rear door plate and the middle door plate are different, the difference between the contraction coefficient and the expansion coefficient is large, and if the front door plate, the rear door plate and the middle door plate are fixed by bolts, the contraction, expansion and deformation of the materials are easily caused. In the utility model, the upper surface and the lower surface of the middle door plate are provided with a plurality of U-shaped grooves which are uniformly distributed, and the surfaces of the front door plate and the rear door plate are provided with bulges matched with the U-shaped grooves; when the door panel is used, the groove and the protrusion are connected in a tenon-and-mortise fit manner to form an elastic structure, so that the door panel can be prevented from deforming and cracking.

(3) The utility model is provided with the observation window, which can be used for lighting and observing the real-time conditions inside and outside the fireproof door, thereby facilitating the escaper to master the fire behavior when a major fire occurs; the door handle on the door body is convenient for closing or opening the fireproof door.

(4) The utility model discloses simple structure, it is with low costs, sound absorption sound insulation is effectual, hinder that the heat effect is good and fire behavior is good, is fit for further using widely.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the door structure of the present invention.

The reference numerals in fig. 1-2 are: 1. a door frame; 2. a door leaf; 3. a fire-proof hinge; 4. a front door panel; 5. a middle door panel; 6. a rear door panel; 7. a U-shaped groove; 8. a protrusion; 9. wood-plastic composites; 10. a fire barrier layer; 11. an observation window; 12. a door handle.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the fireproof door containing the flame retardant material comprises a door frame 1 and a door leaf 2, wherein the door leaf 2 is hinged in the door frame 1 through a fireproof hinge 3, the door leaf 2 comprises a surrounding steel framework and a galvanized steel panel adhered to the outer side of the steel framework, and a door body is filled in an area surrounded by the surrounding steel framework and the galvanized steel panel;

the door body comprises a front door plate 4, a middle door plate 5 and a rear door plate 6, wherein a plurality of uniformly distributed U-shaped grooves 7 are formed in the upper surface and the lower surface of the middle door plate 5, and protrusions 8 matched with the U-shaped grooves 7 are formed in the surfaces of the front door plate 4 and the rear door plate 6.

The interior of the front door panel 4 and the interior of the rear door panel 6 are made of wood-plastic composite materials 9, and the surfaces of the front door panel and the rear door panel are provided with flame-retardant and heat-insulating fireproof layers 10.

The thickness of the fireproof layer 10 is 0.2-0.3 mm.

The middle door panel 5 is a damping sound insulation panel.

The utility model provides a pair of prevent fire door containing flame retardant material, the door plant includes preceding door plant 4, middle door plant 5 and back door plant 6, and wherein, preceding door plant 4 and back door plant 6 are the PLASTIC LAMINATED, and the inside wood-plastic composite 9 that is of PLASTIC LAMINATED, the quality is light, and the price is low, and the surface is equipped with fire-retardant thermal-insulated flame retardant coating 10, has guaranteed the refractiveness of wood-plastic composite 9, and middle door plant 5 is the damping acoustic celotex board, possesses the function that gives sound insulation.

Because the material properties of the front door panel 4, the rear door panel 6 and the middle door panel 5 are different, the difference between the contraction coefficient and the expansion coefficient is large, and if the three are fixed by bolts, the material is easy to contract, expand and deform. In the utility model, a plurality of U-shaped grooves 7 are uniformly distributed on the upper surface and the lower surface of the middle door plate 5, and bulges 8 matched with the U-shaped grooves 7 are arranged on the surfaces of the front door plate 4 and the rear door plate 6; when the door panel is used, the groove and the bulge 8 are connected in a tenon-and-mortise fit manner to form an elastic structure, so that the door panel can be prevented from deforming and cracking.

In the embodiment, the door leaf 2 is provided with the observation window 11, the observation window 11 is of a rectangular structure, and the fireproof glass is arranged in the observation window 11, so that the design can be used for lighting and observing the real-time conditions inside and outside the fireproof door, and a person escaping from a major fire can conveniently master the fire condition;

the door leaf 2 of the utility model is provided with the door handle 12, which can facilitate the closing or opening of the fireproof door.

The utility model discloses simple structure, it is with low costs, sound absorption sound insulation is effectual, hinder that the heat effect is good and fire behavior is good, is fit for further using widely.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A fireproof door containing flame retardant materials comprises a door frame (1) and a door leaf (2), wherein the door leaf (2) is hinged in the door frame (1) through a fireproof hinge (3),

the door is characterized in that the door leaf (2) comprises a peripheral steel framework and a galvanized steel panel adhered to the outer side of the steel framework, and a door body is filled in an area surrounded by the peripheral steel framework and the galvanized steel panel;

the door body comprises a front door plate (4), a middle door plate (5) and a rear door plate (6), wherein a plurality of U-shaped grooves (7) which are uniformly distributed are formed in the upper surface and the lower surface of the middle door plate (5), and protrusions (8) matched with the U-shaped grooves (7) are formed in the surfaces of the front door plate (4) and the rear door plate (6).

2. The fire door comprising a fire retardant material according to claim 1, wherein the front door panel (4) and the rear door panel (6) are internally made of a wood plastic composite (9) and provided with a fire retardant and heat insulating layer (10) on the surface.

3. The fire door comprising a fire retardant material according to claim 2, wherein the thickness of said fire retardant layer (10) is 0.2 to 0.3 mm.

4. The fire door comprising a fire retardant material as recited in claim 1, characterised in that said intermediate door panel (5) is a damping acoustic panel.

5. The fire door comprising a fire retardant material according to claim 1, wherein the door leaf (2) is provided with an observation window (11), the observation window (11) has a rectangular structure, and the observation window (11) is provided with fire-proof glass therein.

6. The fire door comprising fire retardant material as claimed in claim 1, characterized in that said door leaf (2) is provided with a door handle (12).