KR20210014725A - Fire door - Google Patents

Abstract

The present invention relates to a cover for a fire door, which can prevent heat transfer transferred to the fire door in case of a fire and prevent dew condensation. More specifically, the fire door includes: a door part (100) in which a front steel plate (111) and a back steel plate (112) correspond to each other and a first insulation material (120) is received inside; and a cover (200) formed in a plate shape and attached to one surface of an outer side of the door part.

Description

Fire door}

The present invention is an invention for a fire door cover, and prevents heat transfer transmitted to the fire door when a fire occurs, and has an object of preventing condensation.

Patent Invention 001 relates to a fire door having a function of controlling heat shielding, insulation and sealing, and specifically, in a fire door having a heat shielding and insulation and sealing control function of a configuration in which the fire door can be opened and closed in a door frame frame fixedly installed at the wall entrance. , Prize

The door frame frame is molded into inner and outer frames that are bent or welded to have a "c" shape, but an insulation plate is inserted between the outer fixing plates of the inner and outer frames that are in contact with each other so that they are mutually fixed together through a plurality of rivets. And, the insulation fixing pieces are integrally bent and molded from the ends of the inner and outer frames having a shape that are spaced apart from each other in the inner direction of the door frame frame, and between the insulating material fixing pieces bent and molded at the contact portions of the inner and outer frames, and In the inner and outer frames, a square bar-type insulating material with a pair of insulation fixing piece insertion grooves formed in the longitudinal direction is detachably installed, and the outer surface of the insulating material exposed between the contact parts including the outer surface of the contact part of the inner and outer frame It is proposed to install a gasket position adjusting means detachably, but at an inner end of the gasket position adjusting means close to the inner surface of the fire door, a sealing gasket having a predetermined shape so as not to cause a gap between the fire door and the door frame frame. .

Patent Invention 002 relates to a fire door for preventing condensation. Specifically, in a state in which the second packing and the flat plate of the cover are in close contact with the flange of the body constituting the fire door, a hamming operation is performed while bending the pad formed on the flat plate. , By realizing a structure in which the pad and the second packing, the flange and the outer part of the flat plate are integrated, the condensation phenomenon caused by the temperature difference between indoor and outdoor is completely prevented by improving the sealing power by hamming operation.

Presents technology.

Patent Invention 003 relates to a door system having a condensation prevention function, comprising: a door for selectively partitioning indoors and outdoors by an opening and closing operation; A door frame that supports the door to be opened and closed and is fixed to the wall; An outer frame constituting the door frame, positioned outside the door with respect to the door, and provided with a metal material; An inner frame constituting the door frame, one side end of which is coupled to one side end of the outer frame, and positioned indoors with respect to the door, and provided with PVC foam; A connection frame constituting the door frame, the one end of which is coupled to one end of the outer frame that is not coupled to the inner frame, and is fixed to the wall; It constitutes the door frame, and its one end is coupled to one end of both side ends of the connection frame that is not coupled to the outer frame, and is formed at the other end, but is not coupled to the outer frame of both side ends of the inner frame. A coupling member having a coupling groove exposed to the indoor side so that the one side end that is not coupled thereto; And the outer frame, the inner frame, the connection frame, and a heat insulating material filled in the area formed by the combination of the coupling member; proposes a configuration comprising a.

Patent Invention 004 relates to a fire door structure and a method of manufacturing the same, specifically ensuring durability and fire resistance by making the insulation or heat shielding panel interposed between the front panel and the rear panel constituting the fire door integrally constructed more robustly, Condensation can be prevented by securing the airtightness between the front panel and the rear panel, and it can be finished with a decorative finish, so that the fire door structure with improved fire resistance and durability that can create a beautiful appearance out of the form of a hard fire door and its manufacturing method is presented. have.

KR 10-1317217 B1 (registration date October 4, 2013) KR 10-1892482 B1 (Registration date August 22, 2018) KR 10-1869551 B1 (registration date June 14, 2018) KR 10-1870772 B1 (Registration date June 19, 2018)

The present invention is an invention for a fire door cover, and prevents heat transfer transmitted to the fire door when a fire occurs, and has an object of preventing condensation.

The present invention is an invention for a fire door. Specifically, the front plate 111 and the rear plate 112 correspond to each other, and the door portion 100 in which the first insulating material 120 is accommodated;, a cover 200 having a plate shape and attached to one outer surface of the door portion. ); consists of a configuration including.

The present invention is an invention for a fire door, and in the above-described invention, a second insulating material 220 positioned between the door part and the cover; includes.

The present invention is an invention for a fire door, and in the above-described invention, a first flange 231 bent on both sides of the cover includes;

The present invention is an invention for a fire door, and in the above-described invention, a film part 300 that integrally covers the door part and the cover and is bonded to it includes;

The present invention is an invention for a fire door, and in the above-described invention, a heat conduction cut-off part 130 which is located at the edge end of the front plate and the rear plate, and connects the front plate and the rear plate by spaced apart; includes.

The present invention has an effect of blocking heat transfer and preventing condensation by a cover attached to the outside of the door unit, and an insulating plate formed between the cover and the door unit.

The present invention has the effect of being fastened to the conventional fire door door because it is fastened to the door part by the cover flange.

Since the cover of the present invention is formed in a curved surface, pre-stress is applied by fastening, which can prevent spreading between the cover and the door part.

Since the cover of the present invention forms a bent portion, it has an effect of preventing deformation by increasing a shape factor due to bending.

1 is a perspective view of the present invention fire door insulation and condensation prevention cover.
Figure 2 is a side view of an embodiment of the present invention fire door insulation and condensation prevention cover
Figure 3 is a side view of an embodiment of the end shape of the present invention fire door insulation and condensation prevention cover.
Figure 4 is a comparison before and after assembly of the present invention fire door insulation and condensation prevention cover.
Figure 5 is a perspective view of a second insulating material inserted into the present invention fire door insulation and condensation prevention cover.
Figure 6 is a conceptual diagram of the inner cover and the outer cover of the present invention fire door insulation and condensation prevention cover.

Hereinafter, in order to describe in detail enough that a person of ordinary skill in the art can easily implement the present invention, a most preferred embodiment of the present invention will be described in detail.

The numbers cited in the following examples are not limited only to the objects of reference, and may be applied to all examples. An object that exhibits the same purpose and effect as the configuration presented in the examples corresponds to an equal substitution object. The upper concept presented in the examples includes the lower concept object that is not described.

[Embodiment 1-1] The present invention is an invention for a fire door, and specifically, the front plate 111 and the rear plate 112 correspond to each other, and a door part 100 in which a first insulating material 120 is accommodated therein; , It has a plate shape, and the cover 200 is attached to the outer side of the door part.

[Example 1-2] The present invention relates to a fire door, and in Example 1-1, the cover is formed of stainless metal; and includes.

The present invention relates to a fire door, improves the insulation performance of the fire door, and has an object of preventing condensation. To solve this, a cover is mounted on one side of the surface of the door part of the fire door. The cover is preferably formed of stainless metal, and can be replaced with a material for the same purpose.

[Embodiment 1-3] The present invention relates to a fire door, and in Embodiment 1-1, a cover receiving portion 140 recessed in the cover attachment position of the door portion is included.

The cover protruding outside the fire door may lose its stable and balanced external shape. In order to solve this problem, the door part surface is formed with a recess as much as the height of the cover, and the cover is seated in the recessed part, so that the surface of the fire plant can maintain flatness.

[Embodiment 1-4] The present invention is an invention for a fire door, and specifically, the front plate 111 and the rear plate 112 correspond to each other, and the door part 100 in which the first insulating material 120 is accommodated therein; , It has a plate shape, and the cover 200 (b) attached to the inner side of the door part; consists of a configuration including.

The present invention has a technical feature that the cover position is accommodated inside the door part. The cover (inner cover) is formed of stainless steel, and a first insulating material is located on one side of the inner cover, and a second insulating material is located on the other side. In another embodiment, a space is formed between the inner cover and the front plate to accommodate an air layer. A spacer may be positioned between the inner cover and the front plate to maintain a certain distance. The spacer may form a space by a bead protrusion formed on the inner iron plate or a separate metal structure.

[Embodiment 2-1] The present invention is an invention for a fire door, and in Embodiment 1-1, a second insulating material 220 positioned between the door part and the cover is included.

[Example 2-2] The present invention relates to a fire door, and in Example 1-1, the second insulating material is formed of one or a plurality of plates.

[Example 2-3] The present invention is an invention for a fire door, and in Example 2-2, in the second insulating material, it is formed on any one or all of a plurality of plates, uniformly disposed, and formed through Includes; through hole 221.

[Example 2-4] The present invention is an invention for a fire door, and in Example 2-1, an adhesive 222 is formed on both sides of the second insulating material to be adhered to the door surface and the inner surface of the cover; Includes.

[Example 2-5] The present invention is an invention for a fire door, and in Example 2-1, the second insulating material is mineral wool fiber, glass wool fiber, ceramic fiber, carbon fiber, vegetable fiber, polyester, foam It is preferably formed of any one selected from polystyrene, urethane foam, and phenolic foam.

Insulation is inserted between the door and the cover. The insulation blocks direct heat transfer between the cover and the door and prevents condensation from occurring. The heat insulating material (second heat insulating material) may be formed of a single plate, but may be formed by combining a plurality of plate materials. When formed of a plurality of plates, one or a plurality of plates of each plate may form a through hole. The through hole has an effect of forming an air layer therein to delay heat transfer and prevent condensation. The through holes may be uniformly arranged in a uniform size, and may be arranged in a non-uniform size. The second insulating material between the door part and the cover forms adhesives at both ends to bind the door part and the cover. Since the second insulating material made of a plurality of plates each has a different density, it forms an interface for heat transfer. That is, it has the effect of delaying the heat transfer rate.

[Example 3-1] The present invention relates to a fire door, and in Example 1-1, a first flange 231 bent on both sides of the cover is included.

[Embodiment 3-2] The present invention relates to a fire door, and according to the embodiment 3-1, a second flange 232 bent under the cover is included.

[Embodiment 3-3] The present invention is an invention for a fire door, and in Embodiment 3-1, the first flange and the second flange are coupled with a door portion edge portion and a fastening means 234; Include.

An object of the present invention is to combine a cover and a door. Both end surfaces of the cover form a first flange bent at an angle of 90 degrees, and the first flange is coupled to a corner of the door part. Therefore, both sides of the cover can be combined with the door part. In addition, for lower coupling of the cover, the lower portion of the cover forms a second flange. The second flange is coupled in the same manner as the first flange. The first and second flanges and the door are coupled by a fastening means, and the fastening means is formed of a bolt or rivet; and the fastening means is joined by welding; and, the fastening means is hooked It includes; The door part and the cover are not directly in close contact, and are preferably separated by an insulating material.

[Example 3-4] The present invention relates to a fire door, and in Example 3-1, the cover plane is transformed into a curved surface.

[Embodiment 3-5] The present invention relates to a fire door, and in Embodiment 3-1, a reinforcing portion 233 formed on a surface corresponding to the second flange of the cover is included.

[Example 3-6] The present invention relates to a fire door, and in Example 1-1, a bead 210 formed on the surface of the cover includes;

When both sides and the lower part of the cover are combined, the upper part is placed in an open state. That is, the upper portion is highly likely to be deformed, and in particular, a gap between the door portion and the cover may occur. To prevent this, the cover plane is curved. That is, it is elastically deformed by bonding, and the elastic force to be brought together is maintained by the elastic deformation. Therefore, it is possible to prevent the flaring phenomenon of the upper part of the cover. In another embodiment, a reinforcing part is formed on the top. The reinforcing part may form a hamming part 233c in which the steel plate is bent 180 degrees, curled bending 233d rounded into a circle, bent 90 degrees 233b at a right angle, or bent in a circle 233a. By the bending, it is possible to prevent separation and outflow of the insulating material inserted between the cover and the door part. In another embodiment, a plurality of beads are formed on the cover surface. Since the bead increases the shape factor, resistance to bending stress may be improved.

[Example 4-1] The present invention is an invention for a fire door, and in Example 1-1, a film part 300 integrally covering the door part and the cover, and bonded thereto.

A film part may be attached to finish the door part and the cover. The film part forms a pattern and is integrally formed, so that the cover on the surface of the fire door can be presented as if it were an integral structure with the fire door. In addition, by forming an adhesive on the surface of the film, it is possible to easily attach the cover to the surface of the fire door. It is preferable that the film part is formed of flame-retardant vinyl.

[Example 5-1] The present invention is an invention for a fire door, and in Example 1-1, a heat conduction blocking part which is located at the corner ends of the front plate and the rear plate, and separates the front plate and the rear plate to couple (130); includes.

[Example 5-2] The present invention relates to a fire door, and in Example 5-1, the heat conduction blocking portion is formed by synthesis of glass fiber, phenol resin, and calcium carbonate.

The present invention relates to a material for blocking heat conduction, and to implement this, it is formed of a composition in which glass fire, a phenol resin, and calcium carbonate are mixed.

[Example 5-3] The present invention is an invention for a fire door, and in Example 5-2, the glass fiber is 50 to 70% by weight;, the phenolic resin is 20 to 40% by weight;, the calcium carbonate is It includes; 5 to 10% by weight.

The glass fiber is a mineral fiber made of molten glass in a fiber shape. The glass fiber serves as a base layer and increases dimensional stability and heat resistance. Glass fiber contains 50 to 70% by weight, and if the content is less than 50% by weight, the effect on dimensional stability and heat resistance is insignificant, and if it exceeds 70% by weight, there is a problem that the rigidity of the product is weak. The phenolic resin is classified into a resol-based phenolic resin and a novolak-based phenolic resin, and any one selected from among them may be used in the present invention. Phenolic resin acts to prevent the product shape from being disturbed and is used to improve adhesion. The phenolic resin is contained in an amount of 20 to 40% by weight, and when the content is less than 20% by weight, moldability is deteriorated, and when it exceeds 40% by weight, mechanical properties and thermal properties are deteriorated. The calcium carbonate is a carbonate of calcium and is present in marble, calcite, limestone, chalk, ice tin, sea shells, egg shells, coral, and the like. The calcium carbonate is added to increase heat resistance. Calcium carbonate is contained in an amount of 5 to 10% by weight, and if the content is less than 5% by weight, it does not affect heat resistance, and if it exceeds 10% by weight, mechanical strength becomes weak.

[Example 5-4] The present invention relates to a fire door, and in Example 5-2, the glass fiber is substituted with carbon fiber or aramid fiber to be used.

In order to improve the flame retardancy of the heat conduction barrier material, carbon fiber or aramid fiber is used in place of the glass fiber. Alternatively, it may be substituted with a material exhibiting the same purpose and effect.

[Example 5-5] The present invention relates to a fire door, and in Example 5-2, the calcium carbonate is converted to an inorganic substance and used.

In order to increase the heat resistance of the product, inorganic substances such as talc, mica stone, wollastonite, and feldspar can be used. Or it may be substituted with a mineral that exhibits the same purpose and effect by being substituted with it.

100: door 111: front plate
112: rear plate 120: first insulating material
130: heat conduction blocking part 140: cover receiving part
200: cover 210: bead
220: second insulating material 221: through hole
222: adhesive 231: first flange
232: second flange 233: reinforcement part
234: fastening means 300: film part

Claims (5)

In the fire door,
The front plate 111 and the rear plate 112 correspond to each other, and the door part 100 in which the first insulating material 120 is accommodated;,
A fire door including a plate shape and a cover 200 attached to an outer surface of the door part.
The method according to claim 1,
Fire door comprising a; a second insulating material 220 positioned between the door and the cover.
The method according to claim 1,
Fire door comprising a; first flanges (231) bent on both sides of the cover.
The method according to claim 1,
Fire door including; a film part 300 integrally covering the door part and the cover and bonded thereto.
The method according to claim 1,
A fire door including a heat conduction blocking unit 130 positioned at the edge end of the front plate and the rear plate and spaced apart from the front plate and the rear plate.

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