JP2500156B2 - Underfloor airtight insulation structure around water - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underfloor airtight heat insulating structure around water, including bathrooms, toilets, washrooms, dressing rooms and the like.

[0002]

2. Description of the Related Art In recent years, with the improvement of construction technology of buildings and the development of heat insulating structural materials, construction of buildings with high airtightness and high heat insulation has been performed. In addition, coupled with this, the development of various heating and cooling equipment has advanced, so that cooling and heating in a building can be efficiently performed, and comfort in each room has increased.

By the way, the following construction methods have been adopted in the water supply including bathrooms, toilets, washrooms, dressing rooms, etc. The water supply is not sufficiently insulated and airtight. Is the actual situation.

That is, for example, in the case of constructing a bathroom, a procedure of constructing a wall panel forming a wall of the bathroom and then equipping a bath unit in a space surrounded by the wall panel is adopted. At this time, a considerable gap is formed between the wall panel and the bus unit. In addition, the wall panels that surround the four circumferences of the bathroom are constructed with a slight gap, without the upper end portion being airtightly joined to the floor panel on the upper floor.

Furthermore, in order to achieve ventilation under the floor, the foundation is constructed by providing a ventilation opening communicating with the outside.

[0006]

As described above, in the above-mentioned structure around the water, the outside cold air is introduced under the floor of the bathroom through the ventilation port provided in the cloth foundation, so that the bathroom has its floor. It will be cooled from the surface. Therefore, the floor of the bathroom needs to have a high heat insulating structure, which is troublesome and complicated to construct, and there is also an economical problem such as cost.

Further, since a gap is formed between the wall panel of the bathroom and the bath unit, and a gap is also formed between the wall panel and the floor panel of the upper floor, air is drawn in from the gap. And is introduced into the gap between the wall panel and the bus unit. That is, the bath unit has its surroundings covered with cold air, and the inside of the bath unit, which has been kept warm in a predetermined state, is immediately cooled. Therefore, there is a problem that it is difficult to use the bathroom comfortably, and the efficiency of heat retention in the bathroom is poor and it is economically disadvantageous.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide an underfloor airtight heat insulating structure for a water supply which can maintain a comfortable heat-retaining condition in the bathroom and which is easy to install. Has an aim.

[0009]

SUMMARY OF THE INVENTION According to the present invention, cloth foundations that surround the underfloor area around a water supply, including a bathroom and a toilet, are formed airtight, and the underfloor spaces of the rooms forming the water supply area communicate with each other. Possibly, the underfloor around the water is a closed space, and the toilet is provided with a suction port for communicating the toilet with the closed space to introduce air from the toilet into the closed space, and also in the bathroom. Secures a gap between the wall panel of the bathroom and a bath unit installed in the bathroom, and hermetically joins the upper end of the wall panel to the floor panel of the upper floor, and further, the wall panel A communication port is provided for communicating a gap between the bus unit and the bus unit with the closed space, and the gap is connected to a ventilation device for exhausting the air passing through the gap to the outside. And

[0010]

According to the underfloor airtight heat insulating structure around water of the present invention,
The conditioned air in each room conditioned to a predetermined temperature state is guided from the toilet to the underfloor around the water through the suction port. Since this underfloor is a hermetically sealed space,
The conditioned air is guided through the closed space from the communication port to the gap between the wall panel of the bathroom and the bath unit. Since the conditioned air is already conditioned to a predetermined temperature, the bath unit in the bathroom is kept warm from the surroundings while the conditioned air passes through the gap. Further, since the wall panel of the bathroom is airtightly joined to the floor panel of the upper floor, the conditioned air passes through this gap without leaking and is further exhausted to the outside by the ventilation device.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The underfloor airtight heat insulating structure around water of the present invention will be described below with reference to FIG.

FIG. 1 shows an embodiment of an underfloor airtight heat insulating structure around water, in which a symbol A is a bathroom and a symbol B is a toilet. Reference numerals C and D are a washroom and a dressing room, respectively. The bathroom A, the toilet B, the washroom C and the dressing room D form a water supply 1 of this building.

As shown in FIG. 1, the underfloor of the water supply 1 is generally provided with a first cloth foundation 2 which surrounds the underfloor of the water supply 1.
And a second cloth foundation 3 constructed inside the first cloth foundation 2 to partition the underfloor spaces of the rooms A, B, C, D of the water supply 1.

The first cloth foundation 2 is airtightly joined to each other and also to the floor panel (not shown). Further, the first cloth foundation 2 is not provided with any ventilation port for ventilation. On the other hand, the second cloth foundation 3 is provided with a communication port 4 for communicating the underfloor space of each room such as the bathroom A, the toilet B, the washroom C, and the dressing room D. In this manner, the first cloth foundation 2 and the second cloth foundation 3 form one closed space 5 under the floor of the water supply 1.

Further, as shown in FIG. 2, a heat insulating material 6 is attached to the inner surface of the first cloth foundation 2 so as to insulate the enclosed space 5. Further, dry sand 8 is laid on the ground in the closed space 5 via the poly sheet 7 to prevent moisture from coming out from the ground in the closed space 5. The upper end surface of the first cloth foundation 2 and the floor panel 9 arranged on the upper surface are airtightly joined via a base wheel 10 made of an elastic sheet such as foamed rubber.
The airtightness of the closed space 5 is maintained.

The toilet B is provided with a suction port 11 for communicating the toilet B with the closed space 5 and introducing the air in the toilet B into the closed space 5. Suction port 11
May be provided on the floor of the toilet B, or may be provided inside the storage 12 installed in the toilet B in order to prevent deterioration of the appearance.

Further, as shown in FIG. 1, the bathroom A has its contours formed by the wall panels 13, 13 ... Surrounding the four circumferences of the bathroom A, and is enclosed in the space surrounded by the wall panels 13, 13. Is equipped with a bus unit 14. The bath unit 14 is generally a unit integrally provided with a bathtub and a washing area in advance. The bus unit 14 is installed with a gap 15 between it and the inner surfaces of the wall panels 13, 13.

Further, the wall panels 13, 13 ... Are provided with their upper end portions airtightly joined to the floor panel 16 on the upper floor (second floor), whereby the wall panels 13, 13 ,.
And the gap 15 secured between the bus unit 14 and
Communication with the outside is broken.

Further, the gap 15 is communicated with a closed space 5 under the floor of the water supply 1 by a communication port 4 provided in the second cloth foundation 3.

The upper part of the bathroom A, that is, the upper floor
A ventilation device 17 is provided on the floor panel 16 on the (second floor), and through the intake pipe 18, the wall panel 13,
.. and the bus unit 14 are connected to a gap 15. The ventilation device 17 has an intake pipe 18 for taking in the air that has passed through the gap 15 of the bathroom A, and an exhaust pipe 19 for exhausting the air taken in by the intake pipe 18 to the outside. . Further, an outside air intake pipe 20 for taking in outside air, a heat exchanger (not shown) for exchanging heat with the outside air taken in by the outside air intake pipe 20 to harmonize in a predetermined harmony state, and conditioned air conditioned by the heat exchanger. Is also provided with an air supply pipe 21 for supplying the air into each room of the building, and also has a function of performing heating / cooling and ventilation in each room of the building.

In the dressing room D, the floor panel 22 is provided.
An underfloor inspection port 23 is provided in the. Underfloor inspection port 23
As shown in FIG. 3, a part of the floor panel 22 is cut out and opened, and a heat insulating lid 24 is provided at the underfloor inspection port 23 to keep the underfloor sealed space 5 heat-insulated and airtight. It is attached so that it can be removed. Insulation lid 2
4 mainly includes a frame body 24a assembled in a rectangular contour, a face material 24b attached to the upper surface of the frame body 24a, and a heat insulating material 24c such as glass wool filled in the frame body 24a. A packing material 25 is attached to the upper end of the frame 24a so that the heat insulating lid 24 and the floor panel 22 can be airtightly closed when the heat insulating lid 24 is closed. Further, the handle 26, 26 is provided on the face member 24b on the upper portion of the heat insulating lid 24.
Is attached. The handle 26 has a substantially cylindrical shape and is rotatably mounted in a hole 27 formed in the face member 24b of the heat insulating lid 24, and is configured to project from the upper surface of the face member 24b by rotating. ing.

Next, the operation of the underfloor airtight heat insulating structure around water according to this embodiment will be described.

The conditioned air in each room of the building, which has been conditioned to a predetermined temperature condition, is collected in the toilet B. Here, the conditioned air is the outside air taken in from the outside air intake pipe 20 of the ventilation device 17, which is conditioned by the heat exchanger to a predetermined temperature condition and supplied to each room through the air supply pipe 21. This conditioned air is introduced into the closed space 5 under the floor from the suction port 11 provided in the toilet B. The conditioned air introduced into the closed space 5 is introduced into the gap 15 between the wall panel 13, 13, ... In the bathroom A and the bath unit 14 from the communication port 4 provided in the second cloth foundation 3. Then, after passing through the gap 15, the air is drawn into the ventilation device 17 by the intake pipe 18 of the ventilation device 17, and further exhausted to the outside through the exhaust pipe.

As described above, according to the underfloor airtight heat insulating structure around the water of this embodiment, the underfloor of the water around 1 is the closed space 5, so that the closed space 5 can be used as a duct for circulating air. You can Therefore, it is possible to guide the conditioned air in a desired conditioned state to the underfloor of the water supply facility 1 without the need to separately install a duct under the floor.

Moreover, since the toilet B is provided with the suction port 11 which communicates with the closed space 5 under the floor, the inside of each room of the building conditioned in advance to a predetermined temperature state is provided from the suction port 11. Conditioned air can be introduced into this closed space 5. Therefore, the conditioned air in each room can be used to pass the conditioned air into the enclosed space 5 under the floor, which is efficient.

In the bathroom A, the wall panels 13, 13 ...
Since a predetermined gap 15 is secured between the bus unit 14 and the bus unit 14, the bus unit 14 is covered with conditioned air that has been conditioned in advance to a predetermined temperature state from its surroundings. Moreover, the wall panels 13, 13 ... of the bathroom A are on the upper floor (2
Since it is airtightly joined to the floor panel 16 of the floor, cold air from the outside does not enter the gap 15. Therefore, the inside of the bath unit 14 of the bathroom A is kept in a predetermined heat retaining condition for a long time and can be used comfortably. Further, since the heat insulation efficiency in the bus unit 14 is good, it is possible to save fuel and the like, which is economically advantageous.

Further, since the underfloor enclosed space 5 around the water 1 is airtight, cold air from the outside is not introduced into the enclosed space 5. Therefore, not only in bathroom A, but also in toilet B, washroom C, dressing room D, etc.
A desired heat-retaining state is secured, and each room around these water areas 1 can be comfortably used.

The underfloor airtight heat insulating structure around water of the present invention is not limited to the above-mentioned embodiment, but the shape of each member,
Specific constitutional requirements such as dimensions and materials can be appropriately changed in implementation.

For example, in the above-mentioned embodiment, an example is shown in which the underfloor of the water supply 1 is used as the closed space 5 and the closed space 5 is used as the duct. It is important to ensure air tightness under the floor. That is, as shown in FIG. 4, the cloth foundation 2
Forming a sleeve 29 that horizontally penetrates the heat insulating material 6 and a tape 30 that covers the gap between the sleeve 29 and the pipe 28 on the outer surface of the cloth foundation 2;
From the inside of the heat insulating material 6, this gap is filled with a heat insulating material 31 such as urethane foam.

[0030]

As described above, according to the underfloor airtight heat insulating structure around the water of the present invention, since the underfloor area around the water is a closed space, the closed space can be used as a duct for circulating air. You can Moreover, as the air introduced into this closed space, the conditioned air in each room of the building that has been conditioned in advance to a predetermined temperature state can be used, and it can be introduced into this closed space through the suction port provided in the toilet. . Therefore, it is possible to simplify the construction, save labor, and reduce costs. Further, in the bathroom, since a predetermined gap is secured between the wall panel and the bath unit, the bath unit can be covered with the conditioned air from the surroundings to keep the bath unit warm. Therefore, the bathroom can be comfortably used for a long period of time while maintaining a predetermined heat retention condition. Further, since the closed space is formed under the floor around the water, each room around the water is not cooled from the floor surface. Therefore, while increasing the comfort around the water,
Compared with the conventional construction method in which the floor around the water has a heat insulating structure, the construction can be simplified and labor can be saved.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of an underfloor airtight heat insulating structure around water of the present invention.

FIG. 2 is a side sectional view showing an underfloor foundation around water.

FIG. 3 is a side sectional view showing the structure of an underfloor inspection port on the floor of a dressing room.

FIG. 4 is a side cross-sectional view showing a construction method when constructing a pipe on an underfloor foundation around a water supply.

[Explanation of symbols]

 A Bathroom B Toilet C Washroom D Dressing room 1 Water area 2 1st cloth foundation (cloth foundation) 3 2nd cloth foundation (cloth foundation) 4 Communication port 5 Sealed space 11 Suction port 13 Wall panel 14 Bath unit 15 Gap 16 Floor panel on the upper floor 17 Ventilator

Claims (1)

(57) [Claims] 1. A cloth foundation that surrounds a underfloor area including a bathroom and a toilet is formed in an airtight manner, and the underfloor spaces of the rooms forming the water area can communicate with each other, so that the underfloor area around the water area can be communicated with each other. One closed space is provided, the toilet is provided with a suction port that communicates the toilet with the closed space and introduces air from the toilet into the closed space, and the bathroom has a wall panel of the bathroom and the A gap is secured between the bath unit installed in the bathroom, the upper end of the wall panel is airtightly joined to the floor panel on the upper floor, and the gap between the wall panel and the bath unit is fixed. An underfloor airtight heat insulating structure around water, characterized in that a communication port communicating with the closed space is provided and the gap is connected to a ventilation device for exhausting the air passing through the gap to the outside.