Container house insulation structure

Abstract

To provide a container house with higher thermal insulation effect. [Solution] In a box-shaped container house whose side walls are made up of corrugated boards 11 with a periodic structure in which peaks 21 and valleys 22 are alternately repeated, a higher insulation effect can be achieved by installing insulation material 31 in both the depressions 23 formed on the inside of the side walls by the valleys 22 when viewed from inside the container house, and the depressions 24 formed on the outside of the side walls by the peaks 21.

Description

[Technical Field]

[0001] This invention relates to the thermal insulation structure of a container house. [Background technology]

[0002] Traditionally, buildings constructed from shipping containers for residential or commercial use, known as container houses, have been in circulation. Container houses have advantages such as quick construction time, low cost, and a high degree of freedom in assembly, but they have the disadvantage of being prone to heat buildup because they are made of metal. In response to this, container houses are known in which insulating materials are installed in the corrugated sheets of the container (see, for example, Patent Documents 1 and 2).

[0003] Patent Document 1 discloses that an inner wall plate is attached to the inside of the side plate of a container, and that a thermal insulating material is filled in the gap between the side plate and the inner wall plate of the container. Patent Document 2 discloses that stud bolts are welded to the valleys on the inner surface of a corrugated plate, and then a thermal insulating material made of, for example, expanded polystyrene is applied over the entire area by a method such as spraying. Patent Document 2 also discloses that the thermal insulating material is composed of multiple unit thermal insulating panels, and that the panel-shaped thermal insulating material is detachably attached to the inner surface of the ceiling wall of the container by bolts welded to the inner surface of the ceiling wall and wing nuts screwed onto the bolts via packing. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 10-238147 [Patent Document 1] Utility Model Registration No. 2530642 Summary of the Invention [Problem to be solved by the invention]

[0005] However, with the recent trend of rising temperatures due to global warming, container houses are required to have higher insulation than ever before. The structures described in Patent Documents 1 and 2 above do not provide sufficient insulation. The present invention was developed in light of this situation, and aims to provide a container house with higher insulation. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems, the present invention provides a box-shaped container house whose side walls are made of corrugated boards with a periodic structure in which peaks and valleys alternate, and installs insulation in both the recesses formed on the inside of the side walls by the valleys when viewed from inside the container house, and the recesses formed on the outside of the side walls by the peaks. [Effects of the Invention]

[0007] According to the present invention configured as described above, insulation materials are installed on both the inside and outside of the side walls of the container house made of corrugated boards, making it possible to provide a container house with higher insulation effects. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a perspective view showing the appearance of a shipping container used in manufacturing the container house of this embodiment. FIG. [Figure 2] FIG. 2 is a diagram showing a partial cross-sectional configuration of a corrugated plate. [Figure 3] 1 is a cross-sectional view showing an example of the configuration of a heat insulating unit according to the present embodiment. [Figure 4] FIG. 10 is a diagram showing a state in which two heat insulating material units are connected together. [Figure 5] A figure showing the state in which the insulation material units are installed in the inner recess and the outer recess, respectively. [Figure 6] FIG. 10 is a cross-sectional view showing another example of the configuration of the heat insulating material unit according to the present embodiment. [Figure 7]FIG. 10 is a cross-sectional view showing another example of the configuration of the heat insulating material unit according to the present embodiment. [Figure 8] FIG. 10 is a cross-sectional view showing another example of the configuration of the heat insulating material unit according to the present embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] An embodiment of the present invention will be described below with reference to the drawings. Fig. 1 is a perspective view showing the appearance of a shipping container 10 used in manufacturing a container house of this embodiment. Fig. 2 is a diagram showing a partial cross-sectional configuration of a corrugated plate 11 that constitutes the side wall of the shipping container 10.

[0010] As shown in Figures 1 and 2, the side walls of a shipping container 10 are made of corrugated steel plates 11 that have a periodic structure in which peaks 21 and valleys 22 are alternately repeated when viewed from the inside. The shipping container 10 complies with the JIS standard of the Building Standards Act, and the corrugated steel plates 11 of the side walls are made of steel plates that comply with the JIS SS400 standard, for example. Although the illustration of the top surface is simplified in Figure 1, the top surface is also made of corrugated steel plates 11.

[0011] The container house of this embodiment is constructed by hollowing out any desired locations in the corrugated plate 11 of the side wall of a box-shaped shipping container 10 shown in Fig. 1 and installing doors and windows therein. The container house of this embodiment is also constructed by installing heat insulating materials on the inside (inside the room) and outside (outside the room) of the corrugated plate 11 that constitutes the side wall. Here, the locations where the heat insulating materials are installed in the corrugated plate 11 will be described with reference to Fig. 2.

[0012] As shown in Fig. 2, the corrugated sheet 11 has depressions 23 formed on the inside of the side wall by valleys 22 when viewed from inside the container house, and depressions 24 formed on the outside of the side wall by peaks 21 (which become valleys when viewed from outside the container house). The depressions 23, 24 have a trapezoidal cross section. In this embodiment, heat insulating material (not shown in Fig. 2) is installed in both the inner depression 23 and the outer depression 24.

[0013] 3 is a cross-sectional view showing an example of the configuration of a thermal insulation unit 30 including thermal insulation materials 31 installed in the recesses 23, 24 of the corrugated board 11. The thermal insulation material 31 of this embodiment is composed of thermal insulation units 30 that fit individually into each of the recesses 23, 24. As shown in FIG. 3, the thermal insulation unit 30 is composed of the thermal insulation material 31 and a waterproof cover material 32.

[0014] The insulating material 31 is made of foamed urethane foam, glass wool, or foam polystyrene board, etc., molded into a rectangular prism with a trapezoidal cross section that matches the cross-sectional shape of the recesses 23, 24. Note that the material of the insulating material 31 is an example and is not limited to this. The trapezoidal cross-sectional shape of the insulating material 31 is approximately the same as the trapezoidal cross-sectional shape of the recesses 23, 24 of the corrugated board 11, so that the insulating material 31 fits exactly into the recesses 23, 24.

[0015] The cover material 32 is provided so as to contact one of the four side surfaces of the trapezoidal cross section of the heat insulating material 31 that does not contact the recesses 23, 24 when the heat insulating material 31 is installed in the recesses 23, 24 (hereinafter referred to as the non-contact surface 31a). The cover material 32 is formed into a flat shape using, for example, an aluminum extrusion material or a resin extrusion material, and is fixed to the non-contact surface 31a of the heat insulating material 31, for example, by an adhesive. Note that the material of the cover material 32 is an example and is not limited to this. Note that the fixing method is also an example and is not limited to this. For example, a mechanical fixing method using screws, rivets, double-sided tape, etc. may be used.

[0016] The cover material 32 provided in the thermal insulation unit 30 has a planar main body 32a that faces the non-contact surface 31a of the thermal insulation material 31, and planar flange portions 32b1, 32b2 that extend outward in the width direction from both ends of the main body 32a (the direction in which the peaks 21 and valleys 22 of the corrugated plate 11 on which the thermal insulation unit 30 is installed are alternately repeated) so as to protrude in the width direction. The flange portions 32b1, 32b2 are portions that do not face the non-contact surface 31a of the thermal insulation material 31.

[0017] The flange portions 32b1, 32b2 provided on the cover material 32 of one insulation unit 30 are connected to the flange portions 32b1, 32b2 provided on the cover material 32 of another insulation unit 30. That is, the first flange portion 32b1 extending so as to protrude outward from one end of the main body portion 32a has approximately half the thickness of the main body portion 32a and protrudes outward from the end of the main body portion 32a that is closer to the non-contact surface 31a in the thickness direction. On the other hand, the second flange portion 32b2 extending so as to protrude outward from the other end of the main body portion 32a has approximately half the thickness of the main body portion 32a and protrudes outward from the end of the main body portion 32a that is farther from the non-contact surface 31a in the thickness direction.

[0018] In other words, the first flange portion 32b1 and the second flange portion 32b2 are configured to have a difference in level in the thickness direction of the main body portion 32a. As a result, when two thermal insulation units 30 are installed in two adjacent inner recesses 23, 23 (the same applies when two thermal insulation units 30 are installed in two adjacent outer recesses 24, 24), the first flange portion 32b1 of one thermal insulation unit 30 and the second flange portion 32b2 of the other thermal insulation unit 30 overlap and are connected to each other. Figure 4 is a diagram showing the two thermal insulation units 30 connected to each other.

[0019] As shown in FIG. 3, the flange portions 32b1 and 32b2 have recesses 32c with a semicircular cross section. The first flange portion 32b1 has the recess 32c near its base, and the second flange portion 32b2 has the recess 32c near its tip. The two semicircular recesses 32c of the flange portions 32b1 and 32b2 are positioned opposite each other to form a cylindrical portion with a circular cross section. A cylindrical waterproofing material 33 is disposed in this cylindrical portion. The waterproofing material 33 is made of, for example, rubber or urethane sponge. Note that the material of the waterproofing material 33 is merely an example and is not limited thereto. By disposing the waterproofing material 33 at the joint between the first flange portion 32b1 and the second flange portion 32b2, it is possible to prevent moisture from entering the room through the gap at the joint.

[0020] Figure 5 shows the state in which the insulation material units 30 are installed in the inner recess 23 and the outer recess 24. As shown in Figure 5, by connecting the cover materials 32 of each insulation material unit 30, it is possible to form a flat waterproof surface with aligned end faces for the entire side wall of the container house (excluding the areas where doors, windows, etc. are installed). This waterproof surface can also be patterned or painted to function as a decorative panel.

[0021] As explained in detail above, in this embodiment, in a box-shaped container house whose side walls are made of corrugated plates 11, heat insulating materials 31 are installed in both the recesses 23 formed on the inside of the side walls by the valley portions 22 when viewed from inside the container house, and the recesses 24 formed on the outside of the side walls by the valley portions 22. According to the present invention configured in this way, heat insulating materials 31 are installed on both the inside and outside of the side walls made of corrugated plates 11, so it is possible to provide a container house with higher heat insulation effects.

[0022] The configuration of the heat insulating material unit 30 shown in Fig. 3 is an example and is not limited to this. In the heat insulating material unit 30 shown in Fig. 3, the cover material 32 covers only the non-contact surface 31a of the heat insulating material 31, but instead, as shown in Fig. 6, the heat insulating material unit 30A may be configured using a cover material 32A in which all four side surfaces of the trapezoidal cross section of the heat insulating material 31 are covered by main body portions 32a1 to 32a4. In this case, the heat insulating material 31 of the heat insulating material unit 30A may be configured as a vacuum heat insulating material in which the inside of the cover material 32A is sealed in a vacuum state.

[0023] When constructing the insulation unit 30A as shown in Figure 6, the trapezoidal cross section formed by the insulation material 31 and the main body portions 32a2 to 32a4 of the three of the four surfaces that do not face the non-contact surface 31a is configured to be approximately identical to the trapezoidal cross section of the recesses 23, 24 of the corrugated board 11, and the insulation material 31 and the main body portions 32a2 to 32a4 of the three surfaces are configured to fit exactly into the recesses 23, 24.

[0024] As shown in FIG. 7, a heat insulating material unit 30B may be configured using a cover material 32B in which the main body 32a covers only the non-contact surface 31a of the heat insulating material 31 and does not have flange portions 32b1, 32b2.

[0025] Also, the insulation unit 30 (or 30A, 30B) with the cover material 32 (or 32A, 32B) may be installed in the recess 24 on the outside of the side wall, while the insulation unit 30C with only the insulation material 31 may be installed in the recess 23 on the inside of the side wall, as shown in Figure 8. In this way, the interior space of the container house can be made larger by the thickness of the cover materials 32, 32A, 32B. It is also possible to install the insulation unit 30C with only the insulation material 31 in the recess 24 on the outside of the side wall, and cover the outside with a waterproof sheet or the like.

[0026] In the above embodiment, an example was described in which the trapezoidal cross-sectional shape of the insulating material 31 (in the case of Figure 6, including the three main body portions 32a2 to 32a4; the same applies below) and the trapezoidal cross-sectional shape of the recesses 23, 24 of the corrugated plate 11 are configured to be approximately identical, and the insulating material 31 is configured to fit exactly into the recesses 23, 24, but it is not necessarily required to configure the insulating material 31 to a size that fits exactly.

[0027] For example, the height Ha of the trapezoidal cross section of the heat insulating material 31 may be slightly larger or smaller than the height Hd of the trapezoidal cross section of the recesses 23, 24. In addition, the width of the trapezoidal cross section of the heat insulating material 31 may be slightly smaller than the width of the trapezoidal cross section of the recesses 23, 24.

[0028] Furthermore, the above-described embodiments are merely examples of specific embodiments of the present invention, and should not be construed as limiting the technical scope of the present invention. In other words, the present invention can be embodied in various forms without departing from its gist or main features. [Explanation of symbols]

[0029] 11 Corrugated board 21 Yamabe 22 Valley 23 Inner recess 24 Outer recess 30, 30A, 30B, 30C Insulation Unit 31 Insulation 32, 32A, 32B Cover material 32a Main body 32b1, 32b2 flange section 33 Waterproof material

Claims

1. In a box-shaped container house, the side walls are made of corrugated boards with a periodic structure in which peaks and valleys are alternately repeated, When viewed from inside the container house, heat insulating materials are installed in both the recesses formed on the inside of the side walls by the valley portions and the recesses formed on the outside of the side walls by the peak portions. This is a characteristic insulating structure of a container house.

2. 2. The heat insulating structure for a container house according to claim 1, wherein the heat insulating material is composed of a plurality of heat insulating material units that are individually fitted into each of the recesses.

3. The heat insulating material has a trapezoidal cross section that matches the shape of the recess in the side wall, The insulation structure of a container house described in claim 2, characterized in that the insulation unit installed in at least the recess on the outside of the side wall is provided with a waterproof cover material on at least the non-contact surfaces of the four side surfaces of the trapezoidal cross section of the insulation material that do not come into contact with the recess when installed in the recess.

4. The cover material has flat flange portions that are connected to the cover material of another heat insulating material unit as portions configured to protrude from both ends of the main body portion, which is a portion facing the non-contact surface, in a direction not facing the non-contact surface.

4. The heat insulating structure for a container house according to claim 3.

5. The insulating structure of a container house according to any one of claims 1 to 4, characterized in that the insulating material is made of vacuum insulating material.

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