KR20210094757A - Fire door with reinforcement and insulation structure - Google Patents

Abstract

The present invention relates to a fire door having a reinforcement and insulation structure and, more specifically, to a fire door capable of improving the strength of a side part of a fire door by forming front and rear panels and side frames of the fire door and an insulation member therebetween in a multi-structure as well as efficiently cutting off a thermal energy transfer between the inside and the outside, which can lead to a considerable improvement in the strength of the fire door and an insulation effect of the same. In particular, according to the present invention, a plurality of reinforcement bars are formed in a transverse direction in a fire door to significantly improve the transverse strength of the whole fire door as well as both side frames, thereby improving bending stress and torsion stress, which can be manifested by the sum of compression stress and tension stress, and also, as the deformation of the fire door caused by an external force is minimized, the torsion of the fire door or a strength deterioration therein caused by a high temperature or the like in case of a fire can be prevented. Therefore, the present invention is capable of improving reliability and competitiveness in a fire door field, a fire door reinforcement structure field and a fire door insulation structure field as well as a similar or related field.

Description

Fire door with reinforcement and insulation structure

The present invention relates to a fire door having a reinforced and heat-insulating structure, and more particularly, to improve the strength of the side part of the fire door by configuring the front panel and the rear panel of the fire door and the side frame and the heat insulating member between them in multiple structures. In addition, by effectively blocking the transfer of thermal energy between indoors and outdoors, the strength and thermal insulation effect of the fire door can be greatly improved.

In particular, the present invention comprises a plurality of reinforcing bars in the lateral direction inside the fire door to greatly improve the lateral strength of the fire door as well as the side frames on both sides, thereby preventing distortion or strength reduction of the fire door due to high temperature in the event of a fire. It relates to a fire door having a reinforced and heat-insulating structure that makes it possible.

In general, a fire door is a structure installed to block the spread of flames or smoke in houses, apartments, factories, offices, prefabricated temporary buildings, etc., and is usually used as an entrance door or an emergency door.

Since such a fire door has to block the movement of a high-temperature flame or smoke when a fire occurs, it is made of a metal material, etc., and a flame retardant material is included therein if necessary.

As described above, since these fire doors are made of metal, dew condensation may occur on the inside or outside of the fire door during the season when the temperature difference between indoors and outdoors is large, such as summer or winter, and especially in winter, condensation occurs more frequently will do

Therefore, it is very important for a fire door to have an insulating structure that can block heat exchange between indoors and outdoors.

As one of the technologies for preventing such dew condensation, the following prior art document, Republic of Korea Patent Publication No. 10-1502562 'Insulation Frame for Doors' (hereinafter referred to as 'Prior Art') uses a metal frame for indoor and outdoor applications. In order to prevent heat exchange between the inner and outer frames, a heat insulating bar is formed between the inner frame and the outer frame to block heat exchange between the inner frame and the outer frame and to improve the thermal insulation effect.

However, in the case of the prior art, the structural strength of the door is inevitably lowered due to the material characteristics of the insulating bar connecting the inner frame and the outer frame, and this is fundamentally difficult to apply to a fire door that has to withstand a significant high temperature external force in the event of a fire. There is a group.

Republic of Korea Patent Publication No. 10-1502562 'Door Insulation Frame'

In order to solve the above problems, the present invention improves the strength of the side portion of the fire door by configuring the front panel, the rear panel, and the side frame of the fire door and the heat insulating member therebetween, and also efficiently transfers heat energy between indoors and outdoors. An object of the present invention is to provide a fire door having a reinforcing and heat insulating structure capable of greatly improving the strength and thermal insulation effect of the fire door by blocking it.

In particular, the present invention is a side frame that connects the front panel and the rear panel is also made of a metal material, and each connecting part is combined in a two-layer double structure, so that the strength of the side that is the edge of the fire door can be greatly improved. An object of the present invention is to provide a fire door having an insulating structure.

In addition, the present invention configures a plurality of reinforcing bars in the lateral direction inside the fire door to greatly improve the lateral strength of the entire fire door together with the side frames on both sides, thereby preventing distortion or strength reduction of the fire door due to high temperature in the event of a fire. An object of the present invention is to provide a fire door having a reinforcing and insulating structure that can be used.

In order to achieve the above object, a fire door having a reinforced and heat insulating structure according to the present invention includes: a front panel disposed on an outdoor side; a rear panel disposed on the indoor side; a side frame configured to have one side connected in a double structure extending from the inside to the outside of the front panel, and the other side being connected to the rear panel in a double structure; at least one reinforcing bar configured to simultaneously connect two side frames disposed on both sides and both sides of the front panel; and a heat insulating member configured between the front panel and the side frame, and the side frame and the rear panel, respectively, to block the movement of thermal energy between the respective components.

In addition, the front panel, the front extension portion bent in the interior direction from the edge; and a front wing portion bent in the center direction from the front extension portion, wherein the side frame includes a front connection portion formed double to lead from the outer surface to the inner surface of the front wing portion.

In addition, the heat insulating member, is configured between the front wing portion and the front connection portion, the front insulation portion configured to block the external air flowing into the front panel from being transmitted to the side frame; may include a.

In addition, the reinforcing bar may be configured to penetrate through the front wing portion, the front connection portion, and the front insulation portion from both sides of the front panel at both end portions, respectively.

In addition, the reinforcing bar, at least a portion of one side of the bending prevention rib in the vertical direction; may be formed.

In addition, the side frame may further include a side support part extending from the front connection part and formed to be in close contact with the inner surface of the front extension part, and the front insulating part may extend between the inner surface of the front extension part and the side support part. can

In addition, the rear panel may include: a rear extension part bent from an edge to an outdoor side; and a rear wing portion bent in the center direction from the rear extension portion, wherein the side frame is bent from the outer surface of the rear extension portion and extends to the outer surface of the rear extension portion while extending to the outer surface of the rear extension portion may include a rear connector formed to be connected in a double structure.

In addition, the heat insulation member is configured between the rear extension portion and the rear wing portion and the rear connection portion, the rear insulation portion configured to block the bet on the rear panel side from flowing out through the side frame to the outside; include; can

In addition, the rear insulating portion may be formed in a double structure so as to surround both sides of the end portion of the rear connection portion.

In addition, the rear insulating portion, a buffer sealing portion formed to protrude toward the interior between the rear extension portion and the rear connection portion; may include.

By means of the above solution, the present invention has the advantage of improving the strength of the side portion of the fire door by connecting the side surfaces of the front panel and the rear panel of the fire door with a side frame made of metal.

In addition, the present invention has an advantage in that it is possible to significantly improve the heat insulation effect between the indoor and outdoor areas as well as the strength of the fire door by effectively blocking the transfer of heat energy between indoors and outdoors by forming a heat insulating member between the components of the metal material.

Through this, the present invention can effectively prevent the occurrence of dew condensation due to the temperature difference between indoor and outdoor according to seasonal change.

In particular, the present invention has an advantage in that the strength of the side, which is the edge of the fire door, can be greatly improved by combining each connection part of the side frame connecting the front panel and the rear panel in a two-layered double structure.

In addition, the present invention can further improve the lateral strength of the entire fire door together with the side frames on both sides by configuring a plurality of reinforcing bars in the transverse direction inside the fire door.

Through this, the present invention has the advantage of improving the bending stress and torsional stress expressed as the sum of compressive stress and tensile stress with respect to the structural strength of the fire door, and minimizing the deformation of the fire door due to external force.

As a result, the present invention has the advantage of preventing the spread of flames and toxic gases by effectively blocking the movement of air between indoors and outdoors by preventing the deformation of the fire door due to external factors such as high temperature when a fire occurs.

Therefore, it is possible to improve reliability and competitiveness in the field of fire doors, reinforcement structures of fire doors, and insulation structures of fire doors, as well as similar or related fields.

1 is a partially enlarged view showing an embodiment of a fire door having a reinforced and heat-insulating structure according to the present invention.
FIG. 2 is a view for explaining the front panel shown in FIG. 1 .
FIG. 3 is a view for explaining the front insulating part shown in FIG. 1 .
4 and 5 are views for explaining the side frame shown in FIG.
6 is a view for explaining the reinforcement bar shown in FIG.
7 and 8 are views for explaining the rear heat insulating part shown in FIG. 1 .
FIG. 9 is a view for explaining the rear panel shown in FIG. 1 .

Examples of the fire door having a reinforcement and heat insulation structure according to the present invention can be applied in various ways, and the most preferred embodiment will be described below with reference to the accompanying drawings.

1 is a partially enlarged view showing an embodiment of a fire door having a reinforced and heat-insulating structure according to the present invention.

Referring to FIG. 1 , a fire door A having a reinforcement and heat insulation structure includes a front panel 100 , a rear panel 200 , a side frame 300 , a reinforcement bar 400 , and a heat insulating member 500 .

The front panel 100 is disposed on the outdoor side of the fire door A, and is formed as a whole flat, and both edges may be bent in the longitudinal direction so that the cross-sectional shape is a 'C' shape.

The rear panel 200 is disposed on the indoor side of the fire door A, and is formed as a whole flat like the front panel 100, and both edges can be bent in the longitudinal direction so that the cross-sectional shape becomes a 'C' shape. .

The side frame 300 is configured to connect the edges of the front panel 100 and the rear panel 200 , and one side is connected in a double structure extending from the inside to the outside of the front panel 100 , and the other side is the rear panel (200) and may be configured to be connected in a double structure.

The reinforcing bar 400 is configured to simultaneously connect both sides of the front panel 100 and two side frames disposed on both sides of the fire door A except for the upper and lower sides at a predetermined interval in the vertical direction of the fire door A can be configured for each.

The heat insulating member 500 is configured between the front panel 100 and the side frame 300, the side frame 300 and the rear panel 200, respectively, and is configured to block the movement of thermal energy between the respective components. By being configured to be in surface contact between, it is possible to prevent the structural strength of the coupling portion from being lowered as in the prior art described above.

Hereinafter, the characteristics of each configuration will be described in more detail.

FIG. 2 is a view for explaining the front panel shown in FIG. 1 , FIG. 3 is a view for explaining the front insulating part shown in FIG. 1 , and FIGS. 4 and 5 are views for explaining the side frame shown in FIG. 1 .

Referring to FIG. 2 , the front panel 100 has a front extension part 110 bent in the indoor direction (upper right direction in FIG. 2 ) from both edges, and a front surface bent in the center direction from the front extension part 110 . The wing part 120 may be formed.

In addition, a plurality of connection holes 121 and a rivet roll 122 may be formed in the front wing part 120 in the longitudinal direction.

Referring to FIG. 3 , the front insulation part 510 of the heat insulating member 500 may be bent into a shape corresponding to the shape of the front extension part 110 and the front wing part 120 of the front panel 100, A plurality of connection holes 511 and ravel holes 512 may be formed along the longitudinal direction.

4 and 5 , the side frame 300 is formed in a double structure in which the front connection part 310 connected to the front panel 100 and the rear connection part 320 connected to the rear panel 200 are double-layered, respectively. and a plurality of connection holes 311 and rivet holes 312 and 322 may be formed in each of them in the longitudinal direction.

Referring to FIG. 1 , looking at the coupling relationship of the respective components shown in FIGS. 2 to 5 , the front connection part 310 of the side frame 300 is formed from the outer surface (the upper surface in FIG. 1 ) of the front wing part 120 . It may be formed in a double structure (two layers) so as to lead to the inner surface (the lower surface in FIG. 1).

And, the front heat insulating part 510 of the heat insulating member 500 is configured between the front wing part 120 and the front connection part 310, the outside air flowing into the front panel 100 is delivered to the side frame 300 It can be configured to block that.

More specifically, since the front connection part 310 of the side frame 300 is folded to lead from the outer surface to the inner surface of the front wing part 120, the front insulation part 510 is the front wing as shown in FIG. It may be configured between the outer surface of the part 120 and the front connection part 310 and between the inner surface and the front connection part 310 of the front wing part 120 , respectively. At this time, it goes without saying that the two front heat insulating parts 510 shown in FIG. 3 are connected in the same shape as the front connection part 310 to be integrally formed.

And, in order to improve the structural strength of the front extension part 110 of the front panel 100, the side frame 300 is extended from the front connection part 310 as shown in the enlarged part of FIG. 1 to the front extension part ( The side support part 315 may be formed so as to be in close contact with the inner surface (the right side in FIG. 1) of 110).

At this time, for insulation between the front panel 100 and the side frame 300 , the front insulation part 510 may be formed to extend between the inner surface of the front extension part 110 and the side support part 315 .

6 is a view for explaining the reinforcement bar shown in FIG.

Referring to FIG. 6 , the reinforcing bar 400 is formed in a straight plate shape, and at both longitudinal ends of the reinforcing bar 400 , the bent connector 410 may be bent in the vertical direction.

Accordingly, the reinforcing bar 400 has a connection hole 121 formed in the front wing portion 120 of the front panel 100 in which the bent connection portion 410 of the reinforcing bar 400 is formed at both end portions, and the side frame 300 . The connection hole 311 formed in the front connection part 310 of the , and the connection hole 511 formed in the front insulation part 510 of the residual heat member 500 may be coupled to each other.

At this time, the bent connection portion 410 of the reinforcing bar 400 may be coupled to each connection hole 121 , 311 , 511 by an interference fit method, or may be fixed and supported by welding or bending the end portion. In addition, of course, it may be fixed in various ways according to the needs of those skilled in the art.

In addition, the reinforcing bar 400 may form a bending prevention rib 420 in the vertical direction on at least a portion of one side of the reinforcing bar 400 in order to improve strength in the transverse direction.

For example, the bending prevention rib 420 may be formed by cutting a lower portion of the reinforcing bar 400 and bending between the cut portions.

In addition, the rivet hole 122 formed in the front wing portion 120 of the front panel 100 , the rivet hole 312 formed in the front connection portion 310 of the side frame 300 , and the front insulation of the heat insulating member 500 . As shown in FIG. 1 , the rivet hole 512 formed in the part 510 may be penetrated by a rivet, and respective components may be joined by the rivet.

7 and 8 are views for explaining the rear heat insulating part shown in FIG. 1 , and FIG. 9 is a view for explaining the rear panel shown in FIG. 1 .

First, referring to FIG. 9 , the rear panel 200 includes a rear extension 210 bent from the edge to an outdoor side (lower left direction in FIG. 9 ), and a rear surface bent in the center direction from the rear extension 210 . It may include a wing part 220 .

In addition, a plurality of rivet holes 212 may be formed in the rear extension portion 210 in the longitudinal direction.

The edge of the rear panel 200 may be connected to the rear connection part 320 of the side frame 300 as shown in FIG. 1 .

Specifically, the rear connection part 320 of the side frame 300 may be bent from the outer surface of the rear extension part 210 of the rear panel 200 to extend to the outer surface of the rear wing part 220 . .

In this case, the rear connection part 320 may be formed to be connected in a double structure folded on the outer surface of the rear extension part 210 of the rear panel 200 .

In addition, the rear heat insulating part 520 of the heat insulating member 500 may be formed to be folded in a 'L' shape, and as shown in the enlarged part of FIG. 1 , the rear extension part 210 and the rear surface of the rear panel 200 . It is configured between the wing part 220 and the rear connection part 320 of the side frame 300 , and may be configured to block the bet on the rear panel 200 side from flowing out through the side frame 300 to the outside. .

At this time, one side of the bent rear heat insulating part 520 may be formed in a double structure in a folded form to surround both sides of the end of the rear connection part 320 of the side frame 300 .

In addition, at the other end of the other side of the bent rear insulating portion 520, between the rear extension 210 of the rear panel 200 and the rear connection portion 320 of the side frame 300, cushioning so as to protrude toward the interior A sealing part 525 may be formed.

This buffer sealing part 525 is to block the gap between the door frame (not shown) and the fire door (A) in the closed state of the fire door (A) to block the transfer of thermal energy between indoors and outdoors.

Further, the side frame 300 , the rear insulating part 520 , and the rear panel 20 may be bonded to each other by rivets passing through the rivet holes 322 , 522 , and 212 formed therein, respectively.

In the above, a fire door having a reinforced and heat-insulating structure according to the present invention has been described. Those skilled in the art to which the present invention pertains will understand that the technical configuration of the present invention may be implemented in other specific forms without changing the technical spirit or essential characteristics of the present invention.

Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

A: Fire door
100: front panel
110: front extension 120: front wing
200: rear panel
210: rear extension 220: rear wing portion
300: side frame
310: front connection 315: side support
320: rear connection
400: reinforcement bar
410: bending connection part 420: bending prevention rib
500: insulation member
510: front insulation 520: rear insulation
525: buffer sealing part

Claims (10)

a front panel disposed on the outdoor side;
a rear panel disposed on the indoor side;
a side frame configured to have one side connected in a double structure extending from the inside to the outside of the front panel, and the other side being connected to the rear panel in a double structure;
at least one reinforcing bar configured to simultaneously connect two side frames disposed on both sides and both sides of the front panel; and
A fire door having a reinforced and heat-insulating structure including a heat insulating member configured between the front panel and the side frame, and the side frame and the rear panel, respectively, to block the movement of thermal energy between the respective components. The method of claim 1,
The front panel is
a front extension part bent from the edge to the interior side; and
Including; a front wing portion bent in the center direction from the front extension portion,
The side frame,
A fire door having a reinforced and heat-insulating structure, comprising a; a front connection portion formed to be double formed so as to be connected from the outer surface to the inner surface of the front wing portion. 3. The method of claim 2,
The insulation member,
and a front insulating part configured between the front wing part and the front connection part, and configured to block the external air flowing into the front panel from being transmitted to the side frame. 4. The method of claim 3,
The reinforcing bar is
A fire door having a reinforcement and heat insulation structure, characterized in that at both end portions, it is configured to penetrate through the front wing portion, the front connection portion, and the front insulation portion from both sides of the front panel, respectively. 5. The method of claim 4,
The reinforcing bar is
A fire door having a reinforced and heat-insulating structure, characterized in that at least a portion of one side thereof is formed with an anti-bending rib in the vertical direction. 3. The method of claim 2,
The side frame,
Further comprising; a side support portion extending from the front connection portion and formed to be in close contact with the inner surface of the front extension portion,
The front insulation part,
A fire door having a reinforced and heat-insulating structure, characterized in that it extends between the inner surface of the front extension and the side support. The method of claim 1,
The rear panel is
a rear extension bent from the edge to the outside; and
It includes; a rear wing portion bent in the center direction from the rear extension portion,
The side frame,
The rear connection part is bent from the outer surface of the rear extension part to extend to the outer surface of the rear wing part and is formed to be connected in a double structure on the outer surface of the rear extension part. . 8. The method of claim 7,
The insulation member,
Reinforcement and heat insulation comprising a; configured between the rear extension portion and the rear wing portion and the rear connection portion, and configured to block the bet on the rear panel side from flowing out through the side frame A fire door with a structure. 9. The method of claim 8,
The rear insulation portion,
A fire door having a reinforced and heat-insulating structure, characterized in that it is formed in a double structure so as to surround both sides of the rear connection end portion. 9. The method of claim 8,
The rear insulation portion,
and a buffer sealing part formed to protrude toward the interior between the rear extension part and the rear connection part.

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