JP2544576B2 - Underfloor air introduction structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is capable of introducing underfloor air into a room using a large-sized blower to improve ventilation efficiency and improve comfort, and to provide a lid body for blowing underfloor air below a bottom plate of a cabinet. The present invention relates to an underfloor air introduction structure that can enhance the appearance by being installed.

[0002]

2. Description of the Related Art In recent years, in order to improve the habitability and comfort of a house, by introducing indoor underfloor air that is cooler in the summer and warmer in the winter than the open air, the underfloor that performs air conditioning and ventilation while saving energy. Air introduction devices are becoming popular.

In such an underfloor air introducing device, conventionally, an underfloor air is blown into an upper open box-shaped base frame having an upper end attached to a peripheral edge of an opening provided in a floor and projecting into an underfloor space. It was formed by installing a blower.

[0004]

However, in such a conventional one, the size of the blower is restricted by the size of the base frame for accommodating the blower, and the air volume is increased by using a large blower. It was difficult to improve the ventilation efficiency.

Although a louver or the like is attached to the opening, the opening exposed on the floor sometimes gives a feeling of strangeness and causes the appearance of the floor to be deteriorated.

According to the present invention, a blower device having a blower is attached to a floor cover provided on a floor and covering an opening larger than the plane size of the blower device, and the hole provided in the floor cover. Basically, a cabinet that can blow out underfloor air from the lid to be placed is placed on the floor, and underfloor air can be introduced indoors using a large blower with a large air volume, improving ventilation efficiency and improving comfort. The purpose of the invention is to provide an underfloor air introduction structure that can enhance the appearance as well as improve the appearance.

[0007]

In order to achieve the above-mentioned object, the underfloor air introduction structure of the present invention is provided with a blower tool having a blower arranged in an underfloor space and blowing out underfloor air on a floor of a house. The floor cover is attached to a floor cover that covers an opening larger than the plane dimension of the blower, and the floor cover is provided with a hole communicating with a blower port of the blower, and the hole has a floor.
Hemispherical projection from the face lid and under the floor at a small angle with the floor
A lid body having an outlet for blowing air is rotatably arranged, and the floor body encloses the floor cover and is located below the bottom plate.
Detaching the bottom plate with outlet to the underfloor air from the space
A cabinet in which the floor cover can be removed by placing the floor cover is arranged.

[0008]

As described above, in the underfloor air introduction structure, the opening of the floor covered by the floor cover to which the blower device is attached is made larger than the plane size of the blower device. Therefore, it becomes possible to increase the size of the blower of the blower device so as not to exceed the plane dimension of the opening, and to arrange a blower with a large air volume in the underfloor space to enhance the blower, cooling / heating efficiency, and comfort. Can improve.

Further, the floor cover is provided with a hole communicating with the blower opening of the blower tool, and the hole is projected in a hemispherical shape from the floor cover.
And a rotatably arranged lid having an outlet for blowing underfloor air at a small angle with the floor, and the floor ,
To place the air outlet to the cabinet of the underfloor air from the space surrounding and bottom plate below the floor cover, including said top
The entire floor cover can be blindfolded by this cabinet to enhance the appearance and to effectively utilize the lower space of the cabinet.

Further, the cabinet has the bottom plate.
Because not removable the floor lid by removing, it is possible to take out the air blowing Kigu that integrates with the floor lid by removal of the bottom plate without moving the cabinet, as well as its maintenance easy ,
It is easily rotated by removal of the bottom plate of the lid
Yes, you can easily change the direction of underfloor air from the lid
it can.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the drawing, in the underfloor air introduction structure of the present invention, a blower tool 3 having a blower 2 arranged in an underfloor space S and blowing out underfloor air is provided on a floor F of a house and is larger than the plane dimension of the blower tool 3. is attached to the floor lid 4 covering the opening a, a hole 6 which communicates with the air blowing port 5 of the blower Kigu 3 on the floor lid 4 provided, and in the hole portion 6, hemisphere from the floor lid 4
On the other hand, a lid 9 having a blowout port 7 that blows out underfloor air at a small angle with the floor surface is arranged, while the floor body F is
By blowing the underfloor air from the space surrounding the floor cover 4 and below the bottom plate D, and removing the bottom plate D,
A cabinet C is arranged in which the floor cover 4 can be removed .

As shown in FIG. 1, the floor F comprises a base plate 13 made of, for example, a gypsum board on the upper surface of a frame in which frame members 11 made of channel steel are joined in a rectangular shape with their groove portions facing each other.
An integrally transportable floor panel 12 in which a wooden floor plate 14 and a wooden floor plate 14 are affixed to each other is horizontally projected onto a support bracket 15 having an L-shaped cross section, which is bolted to an indoor surface of a rising portion B1 protruding from the surface of a cloth foundation B. The lower surface of one end is placed on the piece 15A and the other end is supported by another cloth base parallel to the cloth base B by using an appropriate receiving metal fitting (both not shown), and under the floor plate 13 under the floor. It is formed by forming a space S and horizontally extending it between the cloth foundation B and another cloth foundation.

A plurality of joists 16 ... Receiving the lower surface of the base plate 13 are installed in parallel on the frame of the floor panel 12, and the base plate 13 and the floor plate 14 of the floor panel 12 forming the floor F are formed. Is provided with a rectangular opening A.
Further, the cloth foundation B is a wall panel 1 which forms an outer wall of the house through a base metal fitting 17 having an L-shaped cross section at the upper end of the rising portion B1.
Support the lower end of 9.

A mounting frame 20 for mounting and supporting the floor cover 4 covering the opening A is attached to the periphery of the opening A. The mounting frame 20 is formed of four support fittings 20a, and the support fitting 20a is a horizontal upper piece 2 which is screwed onto the floor plate 14 as shown in FIGS.
0A and the hanging piece 2 that hangs from the edge facing the opening A
0B and a horizontal receiving piece 20C extending in a small length from the lower end of the hanging piece 20B toward the opening A, and made of a long aluminum extruded material. It is to be noted that vertical and small-length projections 21, 21 are provided so as to face each other on the upper and lower surfaces of the hanging piece 20B facing the floor plate 14 and the base plate 13.

The supporting metal fittings 20a extend over the entire length of each side facing the opening A of the rectangle, are screwed to the floor plate 14, and are notched at the ends thereof so that they are abutted to each other and are orthogonal to each other. The two support fittings 20a, 20a are connected to each other by an L-shaped connecting fitting 22 in which one piece is inserted between the protrusions 21, 21 and the hanging piece 20B and screwed together, whereby the peripheral edge of the opening A is formed. A rectangular frame-shaped mounting frame 20 for applying makeup is formed.

The floor cover 4 includes four main body frames 23 mounted on the respective support fittings 20a of the mounting frame 20 and a flat rectangular laminate 24 covering the opening A. Body frame 2
As shown in FIGS. 5 and 6, 3 is a horizontal mounting piece 23A which is mounted on the upper piece 20A of the support fitting 20a and extends toward the opening A, and a lower surface and opening of the mounting piece 23A. A standing piece 23B that hangs along the hanging piece 20B at a position reserved from the edge facing A, and a horizontal piece that extends from the lower end of the standing piece 23B toward the opening A and is placed on the receiving piece 20C. Which is a long piece of aluminum extruded material having a lower piece 23C, and which has vertical and small length projections 25, 25 in a direction facing the opening A of the standing piece 23B and above and below. It is protruding.

The two body frames 23, 23 which are orthogonal to each other abut against each other by notching the ends thereof obliquely, and one piece is inserted between the protrusions 25, 25 and the standing piece 23B. The four body frames 23 ... Are screwed to each other by using an L-shaped connecting fitting 26 that is screwed to form a rectangular frame shape.

The laminated body 24 has a support plate 27 made of a rectangular metal plate having a lower peripheral edge placed on the lower piece 23C of the main body frame 23, and the butyl tape 2 on the upper surface of the support plate 27.
9 and a rectangular plywood 30 placed via 9
A thin surface material 31 made of, for example, a vinyl chloride resin, which is placed on the upper surface and whose peripheral upper surface is in contact with the lower surface of the placing piece 23A, is formed. This laminated body 24 has 4
The four body frames 23, which are arranged on the sides and screwed to each other, are integrally coupled to each other to form the floor cover 4, and the floor cover 4 connects the body frames 23 to the mounting frame. By mounting it on 20, the rectangular opening A can be covered.

The laminate 24 can be removed by taking out the floor cover 4 and removing one body frame 23 as shown in FIG. Therefore, the surface material 31 can be easily replaced according to the desired flooring or the upper surface processing of the floor plate 14. The support plate 27 ensures a sufficient strength of the floor cover 4.

A circular hole 6 is formed in the laminate 24 of the floor cover 4. At the periphery of the hole portion 6, a parting material 32 having an L-shaped cross section is fixed over the entire circumference by using, for example, a double-sided tape, and the support plate 27 is elongated toward the hole portion 6 beyond the parting material 32. It has an extension 27A that extends up.

Further, the floor cover 4 is provided with a blower unit 3 having a blower 2 arranged in the underfloor space S for blowing underfloor air.

As shown in FIGS. 3, 5 and 6, the blower unit 3 is a horizontal and oblong rectangular mounting piece which is bolted to the lower surface of the support plate 27 of the laminated body 24 through an appropriate cushion material 33. 34, a trapezoidal side piece 35 that hangs from the end edge of the attachment piece 34 extending in the longitudinal direction, and a vertically long rectangular projection piece 36 that protrudes by bending at a right angle from the vertical edge of the side piece 35. A pair of parallel side members 37, 3
7. A vertical and rectangular mounting plate 39 which is bridged between the projecting pieces 36, 36 by being screwed to the projecting pieces 36, 36 of the side members 37, 37 and the mounting plate 39. The blower 2 has a suction port 40 for underfloor air, which is connected to the suction plate 40 and is fixed to a mounting plate 39 and arranged between the side members 37. The suction port 40 is covered with an insect-proof net 40A.

Further, the underfloor air outlet provided on the upper surface of the blower 2 of the blower unit 3 has an air introduction portion 4 in the hole portion 6.
The air inlet 5 of the air blower device 3 is provided inside the air introduction portion 41 while communicating with each other.

The air introducing portion 41 is fixed to the horizontal upper surface of the blower 2 and has a lower plate 42 provided with a hanging piece 42A that hangs down along one vertical side surface of the blower 2, and the upper surface of the lower plate 42. And a rising plate 43 in a cylindrical shape that stands up from the blower so as to surround the blower port 5, and the upper end of the rising plate 43 is an extension of the support plate 27 as shown in FIGS. 3, 4, and 7. Since the hole 6 is located near the periphery of the portion 27A,
It communicates with the blower opening 5 of the blower device 3.

As shown in FIGS. 3 and 4, a shaft body 44 is installed below the inside of the rising plate 43 forming the blower port 5, and the shaft body 44 has a pair of semicircular shutters. The plates 45, 45 are pivotally attached. The shutter plate 45 is repelled by the underfloor air blown from below as shown by the alternate long and short dash line in FIG. 3, and is normally placed on the cushion member 46 made of a soft packing material provided at the lower end of the rising plate 43. The inside of the raising plate 43 is shielded to prevent cold air from entering under the floor, especially in winter.

In this way, the shutter plates 45, 4 are automatically
The blower opening 5 can be opened and closed by 5 to reduce the cost as compared with the electric type, and the cushion material 46 can reduce the impact sound when the shutter plates 45, 45 close the blower opening 5. Further, in this example, since the two shutter plates 45, 45 are used, the shutter plates 45, 4
It is possible to reduce the stroke when the member 5 is flipped up, and to shorten the vertical length of the rising plate 43. Therefore, it is also useful for downsizing the blower device 3.

Since the blower unit 3 is attached to the lower surface of the floor cover 4, the plane size of the opening A covered by the floor cover 4 becomes larger than that of the blower unit 3 as shown in FIG. The blower device 3 having the blower 2 can be installed.

Further, the floor cover 4 to which the blower tool 3 is attached is
Since it is arranged by placing it on the mounting frame 20,
All of the installation work can be done on the floor, there is no need to go under the floor, and the construction can be facilitated and labor saving can be achieved.

A lid 9 having an outlet 7 is arranged in the hole 6. The lid 9 is provided with, for example, three outlets 7 on a planar circular base 9A whose upper surface is upwardly convex and has an arc shape with a large radius of curvature. Also, on the lower surface of the peripheral edge of the base body 9A, a mounting surface 47 is mounted on the extension portion 27A of the support plate 27.
And a spring piece 50 is attached to the outer peripheral surface of the lowering portion 49 over the entire circumference thereof. Has been done.

Two recesses 51, 51 for holding the base body 9A are provided on the upper part of the base body 9A, and the outlets 7 ... Circularly guide the upward direction of the underfloor air at a small angle to the floor surface. Arc-shaped guide plates 52, 52 are arranged.

The guide plate 52 has concave grooves 52A and 52A for fitting the side walls 53 of the base body 9A extending between the adjacent outlets 7 and 7 at the upper end thereof, and as shown in FIG. Fixing pieces 54, 54 which are respectively tacked to the lower surface of the base body 9A located below and the inner surface of the lowering portion 49.
The guide plate 5 is formed by fitting a recessed portion formed at the lower end of the guide plate 52 into a support piece 55 that is slanted across the guide plate 5.
2 is supported.

The lid 9 as described above faces its outer peripheral surface to the parting member 32 fixed to the hole 6 of the floor lid 4,
Moreover, by mounting the mounting surface 47 on the extension 27A of the support plate 27, the mounting surface 47 is covered so as to cover the hole 6 and is rotatable.

The lid 9 is, for example, 30 from the upper surface of the floor lid 4.
Since it has a hemispherical projection with a small projection amount of about mm and blows out the underfloor air at a small angle with the floor surface, it is possible to directly blow the air to a person at a distance. The step that rises vertically from the floor can be eliminated, stumbling can be prevented when walking, and safety can be improved. Note that the lid 9 always protrudes in a hemispherical shape from the floor surface not only during use, but it is possible for a resident to recognize the protrusion of the lid 9 and the stumbling prevention effect can be further enhanced.

Further, the spring piece 50 has the air introduction portion 41.
The lid 9 is pressed against the inner surface of the upper end of the upright plate 43 to prevent the lid 9 from fluctuating, and the lid 9 is rotated by using the recesses 51, 51 as a clue so that the blowing direction of the underfloor air is 360 °. It can be adjusted freely.

The floor body F is provided with a cabinet C capable of blowing underfloor air from the lid body 9. In this embodiment, the cabinet C is a vanity K having a drawer E, as shown in FIGS. It has side plates 61, 61 forming both side walls, and the bottom drawer 62 arranged in the drawer portion E is a horizontal bottom plate D detachably arranged by dowels 63 provided on the side plates 61, 61. Supported by.

The opening A is provided in the floor F below the bottom plate D and between the side plates 61, 61.
The floor cover 4 to which the blower unit 3 is attached is placed on the attachment frame 20 attached to the peripheral edge of the bottom plate D, and an opening 64 is provided between the front end of the bottom plate D and the top surface of the floor F. To be
Therefore, the vanity K arranged on the floor F is
The underfloor air can be blown out from the space surrounding the lid 4 and below the bottom plate D through the opening 64 .

[0037] Since the installed floor lid 4 to the bottom plate D below this way vanity K, the cover 9 is blindfolded, with can enhance the visual quality, by removing the bottom plate D, the floor lid
4 can be removed together with the blower device 3 for easy maintenance.
Can be improved. Further, by removing the bottom plate D, the lid 9 can be easily rotated and the underfloor air from the outlets 7 ...
You can easily change the blowing direction of .

11 and 12 show another embodiment of the cabinet C. In this example, the cabinet C is a storage furniture L having a door 65, and is provided with side plates 69, 69 which project from a vertical back plate 66 at a right angle and form both side walls of a storage part 67 which is opened and closed by the door 65. At the same time, the bottom plate D of the storage section 67 is detachable by means of dowels provided on the side plates 69, 69.

The floor cover 4 is arranged in the opening A provided in the floor F between the side plates 69, 69 below the bottom plate D, and the front end of the bottom plate D and the upper surface of the floor F are connected to each other. An opening 70 that allows the underfloor air from the lid 9 to pass therethrough is formed between the openings.

Therefore, by removing the bottom plate D,
The blower unit 3 can be taken out together with the floor cover 4 into the storage unit 67 without moving the storage furniture L, facilitating maintenance thereof and easily rotating the cover 9.
It is possible to change the blowing direction of the underfloor air for convenience.
Can be changed.

As a cabinet C, a vanity K,
In addition to the storage furniture L, various things such as a kitchen stand and furniture with a counter can be adopted.

13 to 18 show an example of the lid 9 which is outside the present invention for reference . In the example shown in FIG. 13 and FIG. 14 , the lid 9 has a circular base 9A whose upper surface is horizontal and several outlets 7 ... Which are directed obliquely upward, for example, 6 symmetrically with respect to the center line of the base 9A. It is provided. Further, on the upper surface of the base body 9A, concave portions 51, 51 for gripping are provided, and the extension portion 27 is provided.
On the lower surface of the peripheral edge of the base 9A placed on A, the rising plate 43
The lowering portion 49 along the circumferential surface of is lowered.

The outlets 7 ... Can be formed in an arc shape only on one side of the lid 9 as shown in FIGS. 15 and 16, and as shown in FIGS. The upper surface of
The circular and concentric outlets 7, ... Opening on the lower surface can be formed by connecting the side walls 57 between the adjacent outlets 7, 7 with a rod-shaped body 59.

[0044]

As described above, according to the underfloor air introduction structure of the present invention, since a blower tool having a blower is attached to a floor cover covering an opening larger than its plane size, a large blower with a large air volume is installed. It is possible to improve the ventilation, cooling and heating efficiency, and improve comfort, and the hole provided in the floor cover projects hemispherically from the floor cover and has a small angle with the floor.
With a cabinet that has a lid having an outlet for blowing underfloor air, and can blow out the underfloor air from the lid,
Since the floor cover is placed on the floor so as to surround it , the cover can be blindfolded by the cabinet, the appearance can be improved, and the safety can be improved without disturbing the walking.

By removing the bottom plate, the floor cover is removed.
Since was removable, the feed air Kigu becomes possible to take out from the opening without moving the cabinet with the floor cover, in addition to its maintenance, maintenance such as inspection and easily, from the blowing port of the lid Underfloor blown out
Rotate the lid by removing the bottom plate in the air blowing direction.
It can be changed easily.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a plan view thereof.

FIG. 3 is a cross-sectional view showing a main part thereof.

FIG. 4 is a cross-sectional view showing a main part thereof.

FIG. 5 is an exploded perspective view thereof.

FIG. 6 is a partial cross-sectional view showing the floor cover attachment structure in an enlarged manner.

FIG. 7 is a partial cross-sectional view showing an enlarged attachment structure of a lid body.

FIG. 8 is an exploded perspective view showing a structure of a floor cover.

FIG. 9 is a front view illustrating a cabinet.

FIG. 10 is a partial perspective view showing the main part thereof.

FIG. 11 is a partial front view showing another embodiment of the cabinet.

FIG. 12 is a partial perspective view showing a main part thereof.

FIG. 13 is a plan view showing an example of a lid body outside the present invention .

FIG. 14 is a sectional view thereof.

FIG. 15 is a plan view showing an example of a lid body outside the present invention .

FIG. 16 is a sectional view thereof.

FIG. 17 is a plan view showing an example of a lid body outside the present invention .

FIG. 18 is a sectional view thereof.

[Explanation of symbols]

 2 Blower 3 Blower tool 4 Floor cover 5 Blower 6 Hole 7 Outlet 9 Lid A A Opening C Cabinet D Bottom plate F Floor S S Underfloor space

Claims (1)

(57) [Claims] 1. A blower device having a blower for blowing underfloor air, which is arranged in an underfloor space, is attached to a floor cover provided on a floor of a house and covering an opening larger than the plane size of the blower device. The floor cover is provided with a hole communicating with the blower opening of the blower tool, and the hole is projected into a hemispherical shape from the floor cover.
A lid having a blowout opening that blows out the underfloor air at a small angle with the floor surface is rotatably arranged, and the floor body surrounds the floor lid and from a space below the bottom plate.
To remove the bottom plate with outlet to the underfloor air
An underfloor air introduction structure in which a cabinet in which the floor cover can be removed is arranged.