CN209908330U

CN209908330U - Fire-proof door

Info

Publication number: CN209908330U
Application number: CN201821808569.0U
Authority: CN
Inventors: 胡丁有
Original assignee: Fuxin Taifeng Door Industry Co Ltd
Current assignee: Fuxin Taifeng Door Industry Co Ltd
Priority date: 2018-11-05
Filing date: 2018-11-05
Publication date: 2020-01-07
Anticipated expiration: 2028-11-05

Abstract

The utility model discloses a fireproof door, include the door frame and fix the door leaf in the door frame inboard, the door frame inlays the dress in the door shelves that the wall body was reserved, one side of door leaf is erected the limit and is equipped with fire prevention hinge between the door frame that matches and constitutes switch structure, its characterized in that: be equipped with the fire prevention inflation spare between door leaf and the door frame, the fire prevention inflation spare is including fixing the inboard fire prevention inflation strip one of door frame and fixing the fire prevention inflation strip two in the door leaf outside, the corresponding distribution of fire prevention inflation strip one and fire prevention inflation strip two rubberizings, the two rubberizings of fire prevention inflation strip even have the closing plate, the door leaf includes the fire door core and is located the plywood that prevents fire door core both sides, prevent that the fire door core includes the fire retardant board group of pearlite. The utility model discloses a prevent fire door's fire behavior is superior.

Description

Fire-proof door

Technical Field

The utility model discloses a fire door belongs to and prevents fire door technical field.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. 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. But present prevent fire door because door leaf and door frame junction set up reasonable inadequately, and the flue gas runs out from this junction, has influenced preventing fire door's the cigarette performance that separates, has the poor defect of fire behavior moreover, has very big potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fireproof door to solve the problem that the door leaf and the door frame junction that provide set up reasonable inadequately and fire behavior is poor among the above-mentioned background art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a fireproof door, includes the door frame and fixes the door leaf at the door frame inboard, the door frame inlays the dress in the door shelves that the wall body was reserved, one side of door leaf is erected the limit and is equipped with the fire prevention hinge between the door frame that matches and constitutes switch structure, its characterized in that: a fireproof expansion piece is arranged between the door leaf and the door frame, the fireproof expansion piece comprises a first fireproof expansion strip fixed on the inner side of the door frame and a second fireproof expansion strip fixed on the outer side of the door leaf, the first fireproof expansion strip and the second fireproof expansion strip are distributed correspondingly, a sealing plate is connected to the second fireproof expansion strip through glue, the door leaf comprises a fireproof door core plate and plywood positioned on two sides of the fireproof door core plate, the fireproof door core plate comprises a perlite flame retardant plate group, the perlite flame retardant plate group is composed of a plurality of perlite flame retardant plates formed by combining hemispherical bulges, the perlite flame-retardant board comprises an upper perlite flame-retardant board and a lower perlite flame-retardant board which is connected with the upper perlite flame-retardant board in an abutting mode, the top point of the hemispherical bulges on any one of the upper perlite flame-retardant plate and the lower perlite flame-retardant plate is positioned in the gap between the hemispherical bulges of the other perlite flame-retardant plate, and a sound absorption structure is formed.

As a further improvement, the sealing plate comprises a first sealing strip and a second sealing strip, the first sealing strip and the second sealing strip are identical in structure, the first sealing strip is positioned between the first fireproof expansion strip on the left side of the door leaf and the second fireproof expansion strip, and the second sealing strip is positioned between the first fireproof expansion strip on the right side of the door leaf and the second fireproof expansion strip.

As a further improvement, the plywood is sunken to be formed with the recess towards the direction of pearlite flame retardant plate group, the recess intussuseption is filled with inorganic refractory material.

As a further improvement of the utility model, it constitutes the plane to go up the fire-retardant board of pearlite and be equipped with hemispherical bellied other end relatively, the fire-retardant board of pearlite is equipped with hemispherical bellied other end relatively down and also constitutes the plane, be equipped with the magnesium silicon PLASTIC LAMINATED between fire-retardant board group of pearlite and the plywood, the magnesium silicon PLASTIC LAMINATED bonds with the plane of the fire-retardant board of last pearlite and the fire-retardant board of lower pearlite respectively.

As a further improvement, the first fireproof expansion strip and the second fireproof expansion strip can be overlapped or staggered.

As a further improvement, the door leaf is close to door frame one side and installs the door closer, and pastes the acoustic celotex strip on the plane that door leaf and door frame laminated mutually, the inside of door frame is equipped with and holds the chamber, it is equipped with fireproof material to hold the intracavity.

The utility model discloses the effect:

the function of a fire door is to prevent the spread and spread of smoke and fire. In a fire, there are two ways of spreading and spreading smoke and fire, one is: smoke and fire spread and spread through the gap between the door leaf and the door frame; the other is as follows: after the door leaf is burnt out, smoke and fire directly diffuse and spread through the door leaf. Therefore, for a fireproof door with better fireproof performance, a door leaf has better fireproof capacity and cannot be burnt through within a certain time, meanwhile, the door leaf and a door frame also have better sealing performance, in order to increase the sealing performance of a fireproof expansion piece on a gap between the door leaf and the door frame, the two sides of the upper end of the door leaf are respectively provided with a first fireproof expansion strip, after the first fireproof expansion strip is heated and expanded, a sealing plate is pushed to move, so that the gap between the left side and the right side of the door leaf and the door frame is reduced, after the second fireproof expansion strip is heated, the sealing plate is tightly pressed on the second fireproof expansion strip, the sealing performance of the second fireproof expansion strip is enhanced, the fireproof door is made of perlite, and the fireproof door has the advantages of environmental protection, fire prevention and good processability, after the fireproof door leaf is provided with a fireproof door core plate, the fire resistance of the whole door leaf is improved, and the door leaf cannot be burnt through within, thereby gaining valuable time for evacuating people and rescuing materials.

Drawings

The invention will be further explained with the aid of the accompanying drawings, in which, however, the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, without inventive step, further drawings can be obtained in accordance with the following drawings:

fig. 1 is a schematic structural view of a fire door of the present invention;

FIG. 2 is a schematic view showing the structure of the connection between the fireproof expansion member and the sealing plate;

fig. 3 is a schematic structural view of a fire door core plate.

Reference numerals: 1. a door frame; 2. a door closer; 3. a fireproof hinge; 4. a door leaf; 5. a first fireproof expansion strip; 6. a second fireproof expansion strip; 7. a fire-resistant intumescent; 8. a fire door core panel; 9. a second sealing strip; 10. plywood; 11. a groove; 12. a magnesium silicon fire-proof plate; 13. hemispherical bulges; 14. a sound absorbing structure; 15. a perlite flame-retardant board is arranged; 16. mounting a perlite flame-retardant plate; 17. A perlite flame retardant plate group; 18. and a first sealing strip.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

Referring to fig. 1-3, a fire door comprises a door frame 1 and a door leaf 4 fixed on the inner side of the door frame 1, wherein the door frame 1 is embedded in a door stop reserved on a wall body, a fire-proof hinge 3 is arranged between a vertical edge on one side of the door leaf 4 and the door frame 1, which is matched with the vertical edge, to form a switch structure, a fire-proof expansion piece 7 is arranged between the door leaf 4 and the door frame 1, the fire-proof expansion piece 7 comprises a first fire-proof expansion strip 5 fixed on the inner side of the door frame 1 and a second fire-proof expansion strip 6 fixed on the outer side of the door leaf 4, the first fire-proof expansion strip 5 and the second fire-proof expansion strip 6 are correspondingly distributed, a sealing plate is glued and connected to the second fire-proof expansion strip 6, the door leaf 4 comprises a fire-proof door core plate 8 and plywood 10 positioned on two sides of the fire-proof door, The lower perlite flame-retardant plate 15 is connected with the upper perlite flame-retardant plate 16 in an abutting mode, and the top point of the hemispherical bulge 13 on any one of the upper perlite flame-retardant plate 16 and the lower perlite flame-retardant plate 15 is positioned in the gap between the hemispherical bulges 13 of the other perlite flame-retardant plate to form a sound-absorbing structure 14.

Through adopting above-mentioned technical scheme, prevent the diffusion and the spreading of cigarette, fire door's effect. In a fire, there are two ways of spreading and spreading smoke and fire, one is: smoke and fire spread and spread through the gap between the door leaf 4 and the door frame 1; the other is as follows: after the door leaf 4 is burnt through, smoke and fire directly spread and spread through the door leaf 4. Therefore, for a fireproof door with good fireproof performance, the door leaf 4 has good fireproof capacity and cannot be burnt through within a certain time, meanwhile, the sealing performance between the door leaf 4 and the door frame 1 is good, in order to increase the sealing performance of the fireproof expansion piece 7 on the gap between the door leaf 4 and the door frame 1, the fireproof expansion strips 5 are arranged on the two sides of the upper end of the door leaf 4, after the fireproof expansion strips 5 are heated and expanded, the sealing plate is pushed to move, so that the gap between the left side and the right side of the door leaf 4 and the door frame 1 is reduced, after the fireproof expansion strips 6 are heated, the sealing plate is tightly pressed on the fireproof expansion strips 6, the sealing performance of the fireproof expansion strips 6 is enhanced, the fireproof door core plate 8 is made of perlite, the fireproof door has the advantages of environmental protection, fire prevention and good machinability, and the fireproof performance of the whole door leaf 4 is improved after the fireproof door core plate 8 is arranged in the door leaf 4, can guarantee that door leaf 4 can not burnt out in the certain time, won the valuable time for personnel's evacuation and material rescue, on, the summit of hemispherical protrusion 13 on the fire-retardant board of arbitrary pearlite in the fire-retardant board of lower pearlite is located the clearance between the hemispherical protrusion 13 of another fire-retardant board of pearlite and constitutes inhales sound structure 14, such a design just can make on, can form a lot of between the fire-retardant board 15 of lower pearlite and inhale sound structure 14, and every inhales the noise that sound structure 14 just can absorb the external world and produce, thereby such design can make the fine quilt of the noise that produces of the external world absorb the purpose that can reach the noise reduction.

As a modified specific embodiment, the sealing plate comprises a first sealing strip 18 and a second sealing strip 9, the first sealing strip 18 and the second sealing strip 9 have the same structure, the first sealing strip 18 is located between the first fireproof expansion strip 5 and the second fireproof expansion strip 6 on the left side of the door leaf 4, and the second sealing strip 9 is located between the first fireproof expansion strip 5 and the second fireproof expansion strip 6 on the right side of the door leaf 4.

Through adopting above-mentioned technical scheme, the fire prevention expansion strip on door leaf 4 left side 5 is heated the inflation back, and sealing strip 18 is glued on fire prevention expansion strip one 5, will promote sealing strip one 18 towards the two 6 wind directions movements of fire prevention expansion strip on door frame 1 left side, and on the same way, sealing strip two 9 towards the two 6 wind directions movements of fire prevention expansion strip on door frame 1 right to reduce the clearance between 4 left and right sides of door leaf and door frame 1.

As a modified specific embodiment, the plywood 10 is recessed towards the direction of the perlite flame retardant board group 17 to form a groove 11, and the groove 11 is filled with inorganic refractory materials.

By adopting the technical scheme, the inorganic refractory material is a mixture of fireproof glue, pottery clay and perlite particles, and the inorganic materials can enable the door leaf 4 to have the heat deformation resistance and increase the heat deformation resistance.

As a specific embodiment of improvement, the other end of the upper perlite flame retardant board 16 opposite to the hemispherical protrusion 13 forms a plane, the other end of the lower perlite flame retardant board 15 opposite to the hemispherical protrusion 13 also forms a plane, a magnesium-silicon fireproof board 12 is arranged between the perlite flame retardant board group 17 and the plywood 10, and the magnesium-silicon fireproof board 12 is respectively bonded with the planes of the upper perlite flame retardant board 16 and the lower perlite flame retardant board 15.

Through adopting above-mentioned technical scheme, improve fire behavior.

As a modified specific embodiment, the first fireproof expansion strip 5 and the second fireproof expansion strip 6 can be arranged in an overlapping mode or in a staggered mode.

Through adopting above-mentioned technical scheme, preferably, set up fire prevention inflation strip one 5 and fire prevention inflation strip two 6 staggers. When a fire disaster occurs, the first fireproof expansion strip 5 and the second fireproof expansion strip 6 are heated to expand and seal a gap between the door leaf 4 and the door frame 1. The first fireproof expansion strip 5 and the second fireproof expansion strip 6 form two fireproof lines, the sealing performance of the door leaf 4 and the door frame 1 is improved, and the fireproof time is prolonged.

As a modified specific implementation mode, door closer 2 is installed on one side of door leaf 4 close to door frame 1, and paste the sound insulating strip on the plane that door leaf 4 and door frame 1 laminated mutually, and door frame 1's inside is equipped with holds the chamber, holds the intracavity and is equipped with fire-proof material.

Through adopting above-mentioned technical scheme, can further improve the fire-retardant effect of giving sound insulation.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a fireproof door, includes door frame (1) and fixes door leaf (4) at door frame (1) inboard, door frame (1) inlays the dress in the door shelves that the wall body was reserved, one side of door leaf (4) is erected the limit and is equipped with between matching door frame (1) fire prevention hinge (3) and constitutes switch structure, its characterized in that: be equipped with fire prevention expansion spare (7) between door leaf (4) and door frame (1), fire prevention expansion spare (7) are including fixing fire prevention expansion strip (5) at door frame (1) inboard and fixing fire prevention expansion strip two (6) in door leaf (4) outside, fire prevention expansion strip (5) and fire prevention expansion strip two (6) correspond the distribution, fire prevention expansion strip two (6) rubberizing even has the closing plate, door leaf (4) are including fire door core (8) and lie in plywood (10) of fire door core (8) both sides, fire door core (8) are including pearlite fire retardant plate group (17), pearlite fire retardant plate group (17) comprise the pearlite fire retardant plate that a plurality of hemispherical archs (13) combined form, pearlite fire retardant plate includes pearlite fire retardant plate (16), contradict fire retardant plate (15) with lower pearlite fire retardant plate (16) of last pearlite fire retardant plate (16) connection, the top point of the hemispherical bulge (13) on any one of the upper perlite flame-retardant plate (16) and the lower perlite flame-retardant plate (15) is positioned on the gap between the hemispherical bulges (13) of the other perlite flame-retardant plate and forms a sound absorption structure (14).

2. The fire rated door as recited in claim 1, further comprising: the sealing plate comprises a first sealing strip (18) and a second sealing strip (9), the first sealing strip (18) and the second sealing strip (9) are identical in structure, the first sealing strip (18) is located between a first fireproof expansion strip (5) on the left side of the door leaf (4) and a second fireproof expansion strip (6), and the second sealing strip (9) is located between the first fireproof expansion strip (5) on the right side of the door leaf (4) and the second fireproof expansion strip (6).

3. The fire rated door as recited in claim 1, further comprising: plywood (10) are sunken to be formed with recess (11) towards the direction of pearlite flame retardant board group (17), recess (11) intussuseption is filled with inorganic refractory material.

4. The fire rated door as recited in claim 1, further comprising: go up the other end that fire-retardant board of pearlite (16) was equipped with hemispherical arch (13) relatively and constitute the plane, the other end that lower fire-retardant board of pearlite (15) was equipped with hemispherical arch (13) relatively also constitutes the plane, be equipped with magnesium silicon PLASTIC LAMINATED (12) between fire-retardant board group of pearlite (17) and plywood (10), magnesium silicon PLASTIC LAMINATED (12) bond with the plane of last fire-retardant board of pearlite (16) and lower fire-retardant board of pearlite (15) respectively.

5. The fire rated door as recited in claim 1, further comprising: the first fireproof expansion strip (5) and the second fireproof expansion strip (6) can be arranged in an overlapping mode or in a staggered mode.

6. The fire rated door as recited in claim 1, further comprising: door closer (2) are installed to door leaf (4) one side near door frame (1), and paste on the plane that door leaf (4) and door frame (1) laminated mutually and give sound insulation the strip, the inside of door frame (1) is equipped with holds the chamber, it is equipped with fire-proof material to hold the intracavity.