KR200323366Y1 - Thermal insulating plate-connecter connecting metal plates and thermal insulating door having the plate-connecter - Google Patents

Abstract

The present invention relates to a joint member for connecting two plates side by side on the same plane, and in particular, to provide an insulating joint member for connecting two metal plates side by side, but to minimize the heat transfer between them. In addition, the present invention has an object to provide a heat insulating door having a heat insulating joint member to minimize the heat transfer to the outside and inside of the door.

In order to achieve the above object, the insulation joint member according to the present invention has a 'H' cross section in which a slot into which side plates can be inserted side by side as a nonmetal material is formed, and the insulation door having the insulation joint member is made of metal. The insulating joint member includes a connection portion between the inner frame and the outer frame of the door frame and the connection portion between the outer frame and the inner frame of the door panel.

Description

TECHNICAL FIELD The insulating insulating plate member connecting metal plates and thermal insulating door having the plate-connecter}

The present invention relates to a joint member and an insulated door connecting two plates side by side on the same plane, and more particularly, an insulating joint member and the insulating joint to connect two metal plates side by side to minimize heat transfer therebetween. It is related with the heat insulation door provided with a member.

In general, metals have significantly higher thermal conductivity than nonmetallic materials. Therefore, when there is a temperature difference at both ends of the metal plate, especially in the case of a metal plate connected to the indoors, such as a frame of the door frame or door panel frame, a large amount of heat loss is generated through the metal plate have.

Hereinafter, a structure of a conventional door frame and a door panel will be described with reference to the drawings, and thus problems of thermal insulation will be described.

FIG. 1 is a state diagram showing a state in which a door separating an outdoor and an indoor is installed, and FIG. As shown in the figure, the door includes a door frame frame 20 having a first packing member and a door panel 10 having a second packing member.

The door frame frame 20 is generally provided by filling a filler having a heat insulation effect to the frame formed by bending the steel plate. The interior of the metal frame of the door panel 10 also includes an interior material such as insulation or gypsum board for insulation and sound insulation.

However, the door frame frame 20 and the door panel 10 has a frame formed of a metal plate penetrates between the outside and the interior, so that a large amount of heat loss occurs through the door frame and the door panel frame due to the high thermal conductivity of the metal there is a problem.

In addition, there is a problem that dew condensation occurs when the frames are cooled and dew forms on the interior surface in the winter due to the heat loss.

Therefore, the present invention has been proposed to solve the above problems, the side of the high temperature metal plate and the lower side of the metal plate is connected side by side on the same plane, but formed of a non-metallic material to transfer heat between the two plates It is an object of the present invention to provide an insulating joint member that is minimized.

In addition, in a door including a door frame frame and a door panel frame provided through the outdoor and indoor, the outer frame and the inner frame is formed of a separate metal plate, and the insulating joint member is included between the inner and outer frames. The purpose of the present invention is to provide a heat insulating door that minimizes heat loss through the metal frames and prevents condensation from occurring inside the door frame frame or door panel.

1 is a state diagram showing a state in which a door that distinguishes the outdoors from the indoors is installed.

FIG. 2 is a cross-sectional view taken along the line A-A 'shown in FIG.

3 is a cross-sectional view showing an embodiment of a heat insulation door having a heat insulation joint member.

Figure 4 is a detailed view showing the connection of the plate by the insulating joint member.

Figure 5a is a cross-sectional view of the conventional insulating door.

Figure 5b is a result of the analysis of the conventional thermal door temperature distribution.

Figure 6a is a cross-sectional view of the thermal insulation door according to the present invention.

Figure 6b is a temperature distribution diagram of the analysis results of the insulating door according to the present invention.

* Description of the main parts of the drawings

1: insulation joint member 2: insulation pad

10: door panel 101: outdoor door panel frame

102: indoor door panel frame 103: reinforcing joint member

20: door frame 201: outdoor door frame

202: door frame frame 203: reinforcing joint member

In order to achieve the object of the present invention, the thermal insulation joint member according to the present invention, provided with a slot is inserted into the end of each plate on both sides so as to connect the two plates side by side on the same plane, but lower than the thermal conductivity of each plate It is formed of a material having a thermal conductivity to provide an insulating joint member that prevents heat conduction from the plate on one side to the plate on the opposite side.

In addition, the insulation door having the insulation joint member according to the present invention, the door frame frame bending the metal plate to form a door frame, providing a cavity therein, connecting the indoor side and the outdoor side of the door frame; A door panel frame which forms a door panel by bending a metal plate and provides a space for including a heat insulating material therein; And at least one of the door frame frame and the door panel frame, each having an indoor side frame and an outdoor side frame formed of separate metal sheets, and including an insulation joint member connecting the indoor side frame and the outdoor side frame. Provide insulation doors.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

3 is a cross-sectional view showing an embodiment of a heat insulation door having the heat insulation joint member in the frame of the door frame and the door panel.

As shown in FIG. 3, the heat insulation door according to the present invention includes a door panel 10 and a door frame 20 formed to have a space therein by bending a metal plate. The door panel 10 includes an outdoor side frame 101 and an interior side frame 102 that are bent and connected to have a space in which a heat insulating material, a gypsum board, etc. may be embedded, and the door frame 20 is An interior frame 201 and an interior frame 202 are bent and connected to a metal plate so as to have a space in which a filler such as urethane foam can be filled.

In the door panel 10 and the door frame 20, the indoor frame (102,202) and the outdoor frame (101,201) has a slot shape in which the end of each plate is inserted in both sides so as to connect each frame side by side. It is connected by the insulating joint member (1) provided.

The position of the insulation joint member 1 is preferably the side of the door panel 10 in the door panel 10, the side of the door panel 10 where the bent portion of the interior frame 102 and the outdoor frame 101 meet each other, the door frame In 20, the stepped portion of the door frame 20 corresponding to the side surface of the door panel is preferable. However, the position is not limited to the present embodiment, and may be a position that can block the connection from the frames 101 and 201 exposed to the outside to the frames 102 and 202 exposed to the interior.

The door panel 10 and the door frame 20 may include a single or multiple packing members in contact with the door when the door is closed for insulation or sound insulation, and the frames 101 and 102 of the door panel 10. The inner space may include a heat insulating material 104, a non-flammable material 105, or a sound insulating material, as needed, and a filler such as concrete or urethane foam 204 may be filled in the inner space of the door frame frames 201 and 202. .

4 is a view of reinforcing the connection coupling between the inner side frame 102 and the outdoor side frame 101 between the inner side frame 102 and the outer side joint member 1 connecting the two plates forming the respective frames. It is a detailed view showing an embodiment of the reinforcing joint member 103 in detail.

As shown in FIG. 4, the insulating joint member 1 has a slot in which the ends of each plate are inserted at both sides so as to connect the two plates side by side on the same plane. That is, it has a 'H' shaped cross section and has a shape extending in the longitudinal direction perpendicular to the cross section.

In order to reinforce the connection coupling of the two plates by the insulation joint member 1 may further include a reinforcement connecting member 103 formed of a plate material of a higher strength than the insulation joint member 1, When the reinforcing connection member 103 is formed of a metal plate, the reinforcing connection member 103 is fastened with the insulation pad 2 inserted between the indoor frame 102 and the outdoor frame 101. As the fastening means, fastening by screws or rivets is preferable.

Here, it is preferable that the insulation joint member 1 and the insulation pad 2 are made of a synthetic resin material having a significantly lower thermal conductivity than the metal plate forming each frame. For example, styrene resins such as ABS resin (Acrylonitrile-Butadiene-Styrene resin) or PVC resins such as PVC (polyvinyl chloride) and expanded PVC are preferable.

The thermal conductivity of the ABS resin is only about 0.23 W / mK, while the thermal conductivity of the steel sheet, which is a representative metal sheet, is about 43 W / mK. Therefore, the heat transfer between the indoor side and the outdoor side through the frame formed of the metal plate material is significantly reduced by the heat insulating joint member 1 and the heat insulating pad 2.

5A to 6B are analysis cross-sectional views and temperature distribution diagrams for performing simulations on the conventional thermal door shown in FIG. 2 and the thermal door according to the present invention shown in FIG. 3 using a heat transfer analysis program (STAR-CD V3100B). .

Figure 5a is an analysis sectional view of a conventional heat insulating door, Figure 6a is an analysis sectional view of the heat insulating door according to the present invention. The indoor and outdoor temperature, humidity conditions, and thermal conductivity of each member corresponding to the analysis conditions are as follows.

Outdoor temperature: -15 ℃ Outdoor relative humidity: 50%

Indoor temperature: 22 ℃ Indoor relative humidity: 50% Indoor dew point temperature: 11.1 ℃

Thermal Conductivity of Each Member (Unit: W / mK)

Steel: 43 Fill: 0.19

Insulation: 0.037 urethane foam: 0.028

Insulation joint member (ABS resin): 0.23 Air layer: 0.17

Packing member: 0.16 Gypsum board: 0.18

Heat transfer resistance (unit: m ² K / W)

Inner surface heat transfer resistance (side wall): 0.11

External surface heat transfer resistance: 0.043

5B is a temperature distribution diagram of an analysis result of a conventional insulation door. As shown by the color in FIG. 5B, it can be seen that the temperature of a substantial portion of the frame exposed to the interior is lower than the dew point temperature, that is, the dew point temperature (11.1 ° C.) indicated on the drawing. This means that there is a lot of heat loss through the frame formed by the metal plate connecting the outdoor side and the indoor side, which causes dew condensation on the surface of the frame.

Figure 6b is a temperature distribution diagram of the analysis results of the insulating door according to the present invention. As shown by the color in FIG. 6B, the entire frame exposed to the room has a higher distribution than the dew point temperature. In addition, there is a sharp temperature change at the boundary between the portion is installed the insulation joint member according to the present invention, which means that the heat loss is rapidly reduced by the insulation joint member.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and it is common knowledge in the field to which the present invention belongs that various substitutions and modifications can be made without departing from the technical spirit of the present invention. It will be evident to those who have.

As described above, the insulation joint member according to the present invention is connected to the metal plate of the high temperature side and the metal plate of the lower side side by side on the same plane, it is formed of a non-metal material has the effect of minimizing the heat transfer between the two plates. .

In addition, the insulating door having the insulation joint member according to the present invention, in the door including a door frame frame and a door panel frame provided through the outdoor and indoor, separating the outer frame and the inner frame by a separate metal plate material In addition, by including the insulating joint member between the inner and outer frames, the heat loss through the metal frame is minimized, thereby preventing condensation on the inside of the door frame or door panel. It is effective.

Claims (7)

It is provided with a slot that the end of each plate is inserted on both sides so that the two plates can be connected side by side on the same plane, It is formed of a material having a thermal conductivity lower than the thermal conductivity of each plate to hinder the heat conduction from the plate on one side to the plate on the opposite side, Insulation joint member. The method of claim 1, The insulation joint member is formed of a synthetic resin material, Insulation joint member. The method of claim 2, The insulation joint member is formed of any one material of ABS resin, PVC resin, foamed PVC resin, Insulation joint member. A door frame frame for bending a metal plate to form a door frame, providing a cavity therein, and connecting an indoor side and an outdoor side of the door frame; A door panel frame which forms a door panel by bending a metal plate and provides a space for including a heat insulating material therein; And In at least one of the door frame frame and the door panel frame, each having an indoor frame and an outdoor frame formed of a separate metal plate material, and includes an insulating joint member connecting the indoor frame and the outdoor frame, The insulation joint member is provided with a slot for inserting the end of each plate on both sides so as to connect each plate forming the indoor frame and the outdoor frame side by side, the material having a thermal conductivity lower than the thermal conductivity of each plate Is formed to interfere with the heat conduction between the indoor frame and the outdoor frame, Insulated doors. The method of claim 4, wherein The insulation joint member is formed of a synthetic resin material, Insulated doors. The method of claim 5, The insulation joint member is formed of any one material of ABS resin, PVC resin, foamed PVC resin, Insulated doors. The method of claim 4, wherein The cavity inside the door frame frame is filled with urethane foam, Insulated doors.