KR20170004612A

KR20170004612A - Fire door

Info

Publication number: KR20170004612A
Application number: KR1020150095211A
Authority: KR
Inventors: 민병수
Original assignee: 민병수
Priority date: 2015-07-03
Filing date: 2015-07-03
Publication date: 2017-01-11
Also published as: KR101726856B1

Abstract

The present invention relates to a door frame (100) having an opening formed therein; A door main body 200 hinged to the door frame 100 and having a hollow portion 210 therein; A first sealing frame 300 inserted into the hollow portion 210 such that the upper end of the first sealing frame 300 is partially exposed; A second closing frame 400 inserted under the hollow part 210 such that a lower end of the second closing frame 400 is partially exposed; And a pressing member which is installed between the first closing frame 300 and the second closing frame 400 and which presses the first closing frame 300 upward and presses the second closing frame 400 downward, The first and second sealing frames 300 and 400 may be attached to the presser body 500 when the door body 200 is inserted into the opening of the door frame 100. [ And the door 100 is pressed by the door frame 100 to automatically seal the gap between the door body 200 and the door frame 100. [

Description

{FIRE DOOR}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire door provided in an opening of a building to prevent expansion and combustion of fire.

Generally, a fire door serves to prevent the intrusion or diffusion of smoke and heat when a fire occurs. Particularly, the fire door is installed in the entrance of the apartment house or the entrance of the building office.

However, there is a gap between the fire door and the door frame from the time of construction, and when the fire door is bent or twisted due to aging, a clear space is formed between the fire door and the door frame or uneven spaces are generated. And toxic gas can easily enter into the room, which threatens safety, has a poor soundproofing ability, can easily transmit internal or external noise, and has a problem of inflow and outflow of air, resulting in loss of cooling and heating energy.

In order to solve these problems, adhesive tapes using various materials such as sponge, foamed rubber, silicone rubber and the like are installed in the gaps between the fire doors and the door frame. However, such adhesive tapes suffer from problems .

Therefore, it is necessary to develop various fire doors to solve the above-mentioned problems.

A related art is a structure of a fire door used in a door frame in which a first contact surface and a second contact surface are sequentially downwardly stepped in the Korean Patent Laid-Open Publication No. 2011-0117869, wherein a cross- And an end portion of a vertical end extending from the outer close contact surface is bent in a semicircular shape to form a fitting bend portion, and the end portion extending to the fitting bend portion And an outer guide end for bending and bending outward to form an outer engaging jaw. The cross-shaped four ends, which are equally cut at four corners, are bent in a semicircular shape inserted into the fitting bending portion to form an insertion bending portion And an inner side portion that bends outwardly from the insertion bending portion and the extending end to form an inner engagement jaw to be engaged with the insertion jaw And the door frame is closed by engaging the insertion bending portion of the inner panel with the fitting bending portion of the outer panel so as to close the door frame.

Korean Published Patent No. 2011-0117896 (Oct. 28, 2011)

SUMMARY OF THE INVENTION The present invention has been conceived in order to solve the above-mentioned problems, and it is an object of the present invention to provide a door structure in which a component installed for sealing is externally impacted, To prevent a fire door from being opened.

Another object of the present invention is to provide a fire door which can prevent a user from falling down due to a foot on the door frame in the process of passing through the door frame, will be.

The fire door (1000) according to the present invention includes a door frame (100) having an opening formed therein; A door main body 200 hinged to the door frame 100 and having a hollow portion 210 therein; A first sealing frame 300 inserted into the hollow portion 210 such that the upper end of the first sealing frame 300 is partially exposed; A second closing frame 400 inserted under the hollow part 210 such that a lower end of the second closing frame 400 is partially exposed; And a pressing member which is installed between the first closing frame 300 and the second closing frame 400 and which presses the first closing frame 300 upward and presses the second closing frame 400 downward, The first and second sealing frames 300 and 400 may be attached to the presser body 500 when the door body 200 is inserted into the opening of the door frame 100. [ So that the gap between the door main body 200 and the door frame 100 is automatically sealed.

The pressing body 500 includes a moving bar 510 coupled to a lower end of the first closing frame 300, a supporting plate 520 coupled to a lower end of the moving bar 510, And a spring 540 installed between the support plate 520 and the lower end of the door main body 200. The support bar 530 is connected to the upper end of the second closing frame 400 and the upper end of the second closing frame 400, .

In addition, the fire door 1000 is formed in a wave-like structure in which the first closing frame 300 is narrowed toward the upper side, and the second closing frame 400 is formed in a wave-like structure in which the second closing frame 400 is narrowed toward the lower side .

The door frame 100 includes a ceiling 110 and a first side 120 and a second side 130 extending downward at one end and the other end of the ceiling 110, Is formed between the first side surface (120) and the second side surface (130).

Accordingly, when the door body according to the present invention is inserted into the opening of the door frame, the first and second closing frames are brought into close contact with the door frame by the pressing body to automatically seal the gap between the door body and the door frame The first sealing frame and the second sealing frame provided for sealing between the fire door and the door frame are brought into close contact with the door frame by the pressing body even when an external impact is applied to prevent gaps between the fire door and the door frame .

Further, the fire door according to the present invention is advantageous in that the floor is not formed in the door frame so that the user can prevent the user from tipping over the door frame in the process of passing through the door frame, and the freight movement using the carrier or the car is convenient.

1 is a perspective view showing a state in which a fire door according to the present invention is not inserted into a door frame;
2 is a sectional view showing a state in which the fire door according to the present invention is not inserted into the door frame
3 is a perspective view showing a state in which the fire door is inserted into the door frame according to the present invention;
4 is a sectional view showing a state in which a fire door according to the present invention is inserted into a door frame

Hereinafter, the technical idea of the present invention will be described more specifically with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the technical concept of the present invention, are incorporated in and constitute a part of the specification, and are not intended to limit the scope of the present invention.

FIG. 1 is a perspective view showing a state in which a fire door is not inserted into a door frame, FIG. 2 is a sectional view showing a state in which the fire door is not inserted into the door frame, FIG. FIG. 4 is a cross-sectional view illustrating a state in which a fire door according to the present invention is inserted into a door frame.

1 to 4, a fire door 1000 according to the present invention includes a door frame 100, a door body 200, a first enclosure frame 300, a second enclosure frame 400, 500).

The door frame 100 is formed with an opening for allowing a person or an object to pass therethrough, and is installed in a space portion of the building.

The door body 200 is hinged on the door frame 100 and a hollow portion 210 is formed in the interior of the door body 200 in a vertical direction.

The first sealing frame 300 is a component for sealing the gap between the upper end of the door main body 200 and the upper end of the door frame 100. The first sealing frame 300 is disposed above the hollow portion 210, 300 are partially exposed.

The second sealing frame 400 is a component for sealing the gap between the lower end of the door body 200 and the paper surface and a lower end of the second closing frame 400 is fixed to the lower side of the hollow portion 210 Some are inserted to be exposed.

The pressing body 500 is installed between the first closing frame 300 and the second closing frame 400 and presses the first closing frame 300 upward and presses the second closing frame 400 And presses it downward.

When the door body 200 is inserted into the opening of the door frame 100, the first and second closing frames 300 and 400 are pressed by the pressing body 500 to the door frame 100 So that the gap between the door body 200 and the door frame 100 is automatically sealed.

When the door body 200 is inserted into the opening of the door frame 100, the first sealing frame 300 and the second sealing frame 400 are pressed against the pressing body 500, The door 100 is pressed by the door frame 100 to automatically seal the gap between the door body 200 and the door frame 100 so that the first enclosure frame 300 installed for sealing between the fire door 1000 and the door frame 100, It is possible to prevent the gap between the fire door 1000 and the door frame 100 from being generated by being pressed against the door frame 100 again by the pressing body 500 even when the second door frame 400 is subjected to an external impact have.

The pressing body 500 includes a moving bar 510 coupled to a lower end of the first closing frame 300, a supporting plate 520 coupled to a lower end of the moving bar 510, And a spring 540 installed between the support plate 520 and the lower end of the door main body 200. The support bar 530 is connected to the upper end of the second closing frame 400, .

The moving bar 510 is formed in a plate shape and can freely move up and down in the hollow portion 210.

The support plate 520 is formed to be thicker in the horizontal direction than the movement bar 510.

The support bar 530 is formed to be thinner in the horizontal direction than the support plate 520.

The spring 540 extends over the outer peripheral surface of the support bar 530.

Hereinafter, the principle that the pressing body 500 presses the first closing frame 300 and the second closing frame 400 will be described in more detail.

1) When the door body 200 is inserted into the opening of the door frame 100, the first closing frame 300 is pushed by the upper end of the door frame 100 and moved downward, .

2, the supporting bar 520, the supporting bar 530 and the second closing frame 400 are also downwardly moved while the moving bar 510 is moved downward, Respectively.

3) When the support plate 520 is moved downward, the spring 540 installed between the support plate 520 and the lower end of the door body 200 is compressed, and the first enclosure frame 300 So that the first closing frame 300 is brought into close contact with the upper end of the door frame 100.

The first sealing frame 300 may have a wave-like structure that becomes narrower toward the upper side, and the second sealing frame 400 may have a wave-like structure that becomes narrower toward the lower side.

Accordingly, when the door body 200 is inserted into the opening of the door frame 100, the first door frame 300 is pushed by the upper end of the door frame 100 to move downward more easily, The second closing frame 400 can also be moved to the lower side more easily.

The door frame 100 includes a ceiling 110 and a first side 120 and a second side 130 extending downward at one end and the other end of the ceiling 110, May be formed between the first side surface 120 and the second side surface 130. That is, the door frame 100 is formed in an 'n' shape.

Accordingly, the fire door 1000 according to the present invention can prevent the door 100 from being tumbled when the user passes through the door frame 100 because the floor surface is not formed in the door frame 100, There is an advantage that the cargo movement using the car or the car is convenient.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

1000: Fire door
100: door frame
110: Thousand scenes
120: First aspect
130: Second aspect
200: Door body
210: hollow
300: first sealing frame
400: second sealing frame
500: pressure body
510: Moving Bar
520: Support plate
530: support bar
540: spring

Claims

A door frame 100 having an opening formed therein;
A door main body 200 hinged to the door frame 100 and having a hollow portion 210 therein;
A first sealing frame 300 inserted into the hollow portion 210 so as to partially expose an upper end of the first sealing frame 300;
A second closing frame 400 inserted under the hollow part 210 such that a lower end of the second closing frame 400 is partially exposed; And
A pressing member which is installed between the first closing frame 300 and the second closing frame 400 and which presses the first closing frame 300 upward and presses the second closing frame 400 downward 500)
When the door body 200 is inserted into the opening of the door frame 100, the first and second closing frames 300 and 400 are pressed against the door frame 100 by the pressing body 500, Wherein a gap between the door main body (200) and the door frame (100) is automatically sealed.

The pressurizing body (500) according to claim 1, wherein the pressing body
A moving bar 510 coupled to a lower end of the first closing frame 300 and a supporting plate 520 coupled to a lower end of the moving bar 510. The lower end of the supporting plate 520 and the lower end of the second closing frame And a spring 540 installed between the support plate 520 and the lower end of the door main body 200. The fire door 1000 includes a door 530 and a spring 540,

The method of claim 1, wherein the fire door (1000)
The first closing frame 300 is formed in a wave-like structure that becomes narrower toward the upper side,
And the second closing frame (400) is formed in a wave-like structure that becomes narrower toward the lower side.

The door according to claim 1, wherein the door frame (100)
A first side surface 120 and a second side surface 130 extending downward from one end and the other end of the ceiling surface 110, And the second side surface (130).