CN110836078A

CN110836078A - High flame-retardant thermal fireproof door

Info

Publication number: CN110836078A
Application number: CN201911223995.7A
Authority: CN
Inventors: 刘静; 丁玉梅; 刘粉林
Original assignee: JIANGSU SHENGYANG FIRE DOOR INDUSTRY Co Ltd
Current assignee: JIANGSU SHENGYANG FIRE DOOR INDUSTRY Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-02-25

Abstract

The invention discloses a high-flame-retardance thermal fireproof door, and relates to the technical field of fireproof doors. The door frame comprises a door frame, wherein a transverse groove is formed in each opposite inner wall of the door frame, a vertical groove is formed in each of the left side and the right side of the inner portion of the door frame and communicated with the transverse groove, a sliding groove is formed in each inner wall of each vertical groove and located in the middle of each vertical groove, a fixing column is fixedly mounted in each sliding groove, a limiting assembly is arranged in each door frame and comprises two limiting plates, the two limiting plates are located in the two transverse grooves respectively, two sliding plates are arranged between the two limiting plates and located in the sliding grooves and in sliding fit with the sliding grooves, a through hole is formed in each sliding plate, the peripheral side faces of each fixing column are in contact with the inner wall of the through hole, and a spring is sleeved between the peripheral side faces of each fixing column and one inner wall of. According to the invention, the limit component is arranged, so that the door leaf can be limited, and the door leaf can be prevented from being opened by overlarge impact force.

Description

High flame-retardant thermal fireproof door

Technical Field

The invention belongs to the technical field of fireproof doors, and particularly relates to a fireproof door.

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 arranged at fire partitions with certain fire resistance, such as fire partitions, evacuation staircases, vertical shafts, power distribution equipment rooms and the like. Besides the function of a common door, the fire 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.

The existing fireproof door is poor in impact resistance and heat resistance, so that the high-flame-retardant thermal fireproof door is designed to solve the problems.

Disclosure of Invention

The invention aims to provide a high-flame-retardance thermal fireproof door, which solves the problem of poor impact force of the existing fireproof door by arranging a limiting assembly.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a high flame-retardant thermal fireproof door, which comprises a door frame;

a transverse groove is formed in one opposite inner wall of the door frame, a vertical groove is formed in the left side and the right side of the interior of the door frame, the vertical grooves are communicated with the transverse grooves, a sliding groove is formed in the inner wall of each vertical groove, the sliding groove is located in the middle of the vertical groove, and a fixing column is fixedly mounted in the sliding groove;

the inside of door frame is equipped with a spacing subassembly, spacing subassembly includes two limiting plates, two the limiting plate is located the inside of two cross slots respectively, two be equipped with two slides between the limiting plate, the slide be located the inside of spout and with spout sliding fit, a through-hole has been seted up to the inside of slide, the week side of fixed column and the inner wall contact of through-hole, a spring has been cup jointed between the week side of fixed column and the inner wall that is located the slide and erects the groove, the slide is located the outside of spring, the limiting plate passes through the connecting plate rotation with the slide and is connected.

Furthermore, the inner side of the door frame is rotatably connected with two door leaves, and the door frame is connected with the door leaves through hinges.

Further, a handle is arranged on the door leaf, an anti-slip sleeve is sleeved on the outer side of the handle, and the anti-slip sleeve is a component made of rubber.

Furthermore, a door lock is arranged on the door leaf.

Furthermore, the end face of the limiting plate is connected with the connecting plate through a hinge, and the sliding plate is connected with the connecting plate through a hinge.

Furthermore, a limiting groove is formed in the limiting plate, and the width of the limiting groove is the same as the thickness of the door leaf.

Furthermore, the watchcase of the door leaf is made of cold-rolled galvanized steel sheets, and cement mortar is filled in the watchcase of the door leaf, so that the heat-resistant effect can be achieved.

The invention has the following beneficial effects:

1. when a fire disaster occurs, the explosive can impact the door leaf, and the limiting component is arranged, so that the door leaf can be limited, and the door leaf can be prevented from being opened by overlarge impact force.

2. The shell of the door leaf is filled with cement mortar, so that the heat-resistant effect can be achieved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a schematic view of a high fire-retardant thermal fire door of the present invention;

FIG. 2 is a cross-sectional view of a door frame according to the present invention;

FIG. 3 is a schematic view of the mounting structure of the fixing post according to the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 in accordance with the present invention;

FIG. 5 is a schematic structural view of a stop assembly according to the present invention;

FIG. 6 is a schematic view of a limiting plate according to the present invention;

figure 7 is a cross-sectional view of a fire rated door of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-door frame, 101-vertical groove, 102-transverse groove, 103-sliding groove, 104-fixed column, 105-spring, 2-door leaf, 3-hinge, 4-handle, 5-door lock, 6-limiting component, 601-limiting plate, 602-sliding plate, 603-through hole, 604-connecting plate and 605-limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention is a high flame retardant thermal fire door, which includes a door frame 1;

a transverse groove 102 is formed in each of opposite inner walls of the door frame 1, a vertical groove 101 is formed in each of the left side and the right side of the interior of the door frame 1, the vertical grooves 101 are communicated with the transverse grooves 102, a sliding groove 103 is formed in each of the inner walls of the vertical grooves 101, the sliding groove 103 is located in the middle of each of the vertical grooves 101, and a fixing column 104 is fixedly mounted in each of the sliding grooves 103;

door frame 1's inside is equipped with a spacing subassembly 6, spacing subassembly 6 includes two limiting plates 601, two limiting plates 601 are located two cross slots 102's inside respectively, be equipped with two slides 602 between two limiting plates 601, slide 602 be located the inside of spout 103 and with spout 103 sliding fit, a through-hole 603 has been seted up to the inside of slide 602, the all sides of fixed column 104 and the inner wall contact of through-hole 603, a spring 105 has been cup jointed between the all sides of fixed column 104 and the inner wall that is located slide 602 and perpendicular groove 101, slide 602 is located the outside of spring 105, limiting plate 601 and slide 602 pass through connecting plate 604 swivelling joint.

Wherein, the inboard rotation of door frame 1 is connected with two door leafs 2, passes through hinge 3 between door frame 1 and the door leaf 2 and connects.

Wherein, be equipped with handle 4 on the door leaf 2, the antiskid cover has been cup jointed in the outside of handle 4, and the antiskid cover is the component of rubber material.

Wherein, a door lock 5 is arranged on the door leaf 2.

The end face of the limiting plate 601 is connected with the connecting plate 604 through a hinge, and the sliding plate 602 is connected with the connecting plate 604 through a hinge.

Wherein, a limit groove 605 is opened in the limit plate 601, and the width of the limit groove 605 is the same as the thickness of the door leaf 2.

Wherein, the watchcase of door leaf 2 is made by cold rolling galvanized steel sheet, has irritated cement mortar in the watchcase of door leaf 2 to can play the effect of hindering heat.

One specific application of this embodiment is: when door leaf 2 is opened to needs, at first the limiting plate 601 that is located the below is stepped on to the foot, limiting plate 601 will move down, limiting plate 601 moves down will make spring 105 shrink shorten, slide 602 moves to the inboard simultaneously, the limiting plate 601 that is located the top this moment will upward movement, spacing subassembly 6 will no longer form spacingly to door leaf 2, can open door leaf 2 this moment, the same thing, can close door leaf 2, close behind the door leaf 2, spacing subassembly 6 can form spacingly to door leaf 2, thereby avoided because of the too big door leaf 2 of dashing open of impact force.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a high fire-retardant thermal fire door which characterized in that: comprises a doorframe (1);

a transverse groove (102) is formed in one opposite inner wall of the door frame (1), a vertical groove (101) is formed in each of the left side and the right side of the inside of the door frame (1), the vertical grooves (101) are communicated with the transverse grooves (102), a sliding groove (103) is formed in the inner wall of each vertical groove (101), the sliding groove (103) is located in the middle of each vertical groove (101), and a fixing column (104) is fixedly mounted in each sliding groove (103);

the inside of door frame (1) is equipped with a spacing subassembly (6), spacing subassembly (6) include two limiting plate (601), two limiting plate (601) are located the inside of two cross slot (102) respectively, two be equipped with two slide (602) between limiting plate (601), slide (602) are located the inside of spout (103) and with spout (103) sliding fit, a through-hole (603) have been seted up to the inside of slide (602), the week side of fixed column (104) and the inner wall contact of through-hole (603), the week side of fixed column (104) just is located slide (602) and erects and has cup jointed a spring (105) between the inner wall in groove (101), slide (602) are located the outside of spring (105), limiting plate (601) and slide (602) are connected through connecting plate (604) rotation.

2. The fire door with high flame retardancy and heat resistance as claimed in claim 1, wherein two door leaves (2) are rotatably connected to the inner side of said door frame (1), and said door frame (1) and said door leaves (2) are connected by a hinge (3).

3. The fire door with high flame retardance and heat resistance as claimed in claim 2, wherein a handle (4) is arranged on the door leaf (2), an anti-slip sleeve is sleeved on the outer side of the handle (4), and the anti-slip sleeve is a rubber member.

4. The fire door with high flame retardancy and thermal stability as claimed in claim 2, characterized in that a door lock (5) is provided on said door leaf (2).

5. The fire door with high flame retardance and heat resistance as claimed in claim 1, wherein the end face of the limit plate (601) is hinged to a connection plate (604), and the sliding plate (602) is hinged to the connection plate (604).

6. The fire door with high flame retardance and heat resistance as claimed in claim 1, wherein a limiting groove (605) is formed inside the limiting plate (601), and the width of the limiting groove (605) is the same as the thickness of the door leaf (2).

7. The fire door with high flame retardancy and heat resistance as claimed in claim 2, characterized in that the case of said door leaf (2) is made of cold-rolled galvanized steel sheet, and cement mortar is poured into the case of said door leaf (2).