JPH06207437A - Underfloor air introduction device - Google Patents

Abstract

PURPOSE:To enable an air supply apparatus to be easily installed from the upper side of a floor for saving labor for a construction work, and ensuring the easy maintenance thereof. CONSTITUTION:An air supply apparatus 3 with a blower 2 laid in underfloor space S is mounted on a floor lid 4 jointed to the floor body F of a house and placed on a mounting frame 20 jointed to the periphery of an opening A larger than the size of apparatus 3 in plan view. In addition, the lid 4 is provided with a port 6 communicated with the air outlet 5 of the apparatus 3. Also, the port 6 is fitted with a lid body 9 having a blowout hole 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underfloor air introducing device which can install a blower device with good workability, can save labor in the work, and can easily perform maintenance such as maintenance and inspection.

[0002]

2. Description of the Related Art In recent years, in order to improve the habitability and comfort of a house, by introducing indoor air under the floor that is cooler in the summer than in the open air and warm in the winter, it is possible to cool and heat the floor while performing ventilation. Air introduction devices are becoming popular.

Conventionally, such an underfloor air introducing device is installed under the floor and is connected to the duct which has an upper end attached to the peripheral edge of the outlet provided in the floor and extends to the underfloor space. It was formed from a blower that delivers air.

[0004]

However, in such a conventional one, since the blower is installed under the floor, the workability is inferior such that the work must be performed in a narrow underfloor, and maintenance and inspection are required. Such maintenance had to be performed under the floor through the inspection port, which required time and labor.

According to the present invention, a blower device having a blower is attached to a floor cover mounted on a mounting frame which is provided on a floor and is attached to the periphery of an opening which is larger than the plane dimension of the blower device. Basically, the blower can be placed in the underfloor space simply by placing the floor cover on the mounting frame, which can improve the workability and labor saving of the work, and the blower can be easily taken out on the floor. An object of the present invention is to provide an underfloor air introduction device that can be conveniently maintained.

[0006]

In order to achieve the above object, the underfloor air introduction device of the present invention is provided with a blower tool having a blower for blowing underfloor air in an underfloor space, which is provided on a floor of a house. It is attached to a floor cover placed on a mounting frame that is attached to the periphery of an opening larger than the plane dimension of the blower tool, and the floor cover is provided with a hole communicating with the blower opening of the blower tool, and this hole A lid having an outlet is arranged in the section.

[0007]

As described above, the underfloor air introducing device is configured to mount the blower device by mounting the floor cover to which the blower device is attached on the attachment frame which is attached to the periphery of the opening larger than the plane size of the blower device. Can be placed under the floor. Therefore, the installation work under the floor can be eliminated, the workability can be improved, and the work can be saved in labor.

Further, since the blower device can be easily taken out onto the floor by lifting the floor cover from the mounting frame, maintenance such as maintenance and inspection can be conveniently performed without trouble. For this reason, it is not necessary to provide a separate inspection port, and the construction work can be further promoted.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the drawing, the underfloor air introduction device of the present invention includes a blower tool 3 having a blower 2 disposed in an underfloor space S and blowing out underfloor air, which is provided on a floor F of a house and is larger than a plane dimension of the blower tool 3. Mounting frame 20 that is attached to the periphery of the opening A
Is attached to the floor lid 4 placed on the floor cover 4, and the floor lid 4 is provided with a hole 6 communicating with the blower port 5 of the blower device 3, and the hole 6 has a lid 9 having an outlet 7. Distribute.

In this example, the floor F is provided with the lid 9
A cabinet C having a detachable bottom plate D passing above and capable of blowing underfloor air from the lid 9 is arranged.

As shown in FIG. 1, the floor F has a base plate 13 made of, for example, a plaster 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 mounted on the peripheral edge 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 support 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 against each other and crossed at right angles. 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 comprises 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 that is reserved from the edge facing toward 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. An elongated aluminum extruded material having a lower piece 23C, and a vertical and small length projections 25, 25 are provided in a direction facing the opening A of the standing piece 23B and above and below. It is protruding.

The two main 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.

Further, the laminated body 24 has a support plate 27 made of a rectangular metal plate whose lower surface is placed on the lower piece 23C of the body frame 23, and the butyl tape 2 is provided 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 that 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.

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 introduction 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 provided below the inside of the rising plate 43 forming the blower port 5, and the shaft body 44 has a pair of semicircular shutters. A plate 45 is 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 the plane size 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 having an arc shape with an upper surface protruding upward and having 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 gripping the base body 9A are provided on the upper part of the base body 9A, and the outlets 7 ... Circularly guide the blowing direction of the underfloor air obliquely upward at a small angle with 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 protrusion with a small protrusion amount of about mm and has an outlet 7 that blows out underfloor air at a small angle with the floor surface, it is possible to blow air directly to people 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. Since the lid 9 is projected not only when it is used but also from the floor surface in a hemispherical shape, it is possible for a resident to recognize the projection of the lid 9 and the stumbling prevention effect can be further enhanced.

Further, the spring piece 50 has the air introducing 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 example, the cabinet C is a vanity K having a drawer E, as shown in FIGS. 1, 9 and 10, and a vertical back plate 6
It has side plates 61, 61 projecting at a right angle from 0 and forming both side walls of the drawer part E, and the lowermost drawer 62 arranged in the drawer part E is formed by the dowels 63 provided on the side plates 61, 61. It is supported by a horizontal bottom plate D which is detachably arranged.

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 bottom plate D passes over the lid body 9, which is the floor cover 4 in this example, and the underfloor air from the lid body 9 passes through the opening 64.
It can be blown out from the lower part of the vanity table K.

Since the floor cover 4 is installed below the bottom plate D of the vanity table K in this manner, the cover 9 can be hidden and the appearance can be enhanced, and by removing the bottom plate D, the cover 9 can be removed.
Can be rotated for convenience, and the blowing direction can be easily changed.

11 and 12 show another example 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 opened and closed by the door 65. Together with the storage section 67
The bottom plate D is removable by dowels provided on the side plates 69, 69.

The floor cover 4 is arranged in an 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 to the storage unit 67 together with the floor cover 4 without moving the storage furniture L, which facilitates maintenance.

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 and 14 show another embodiment of the lid 9. In this example, the lid 9 has several circular outlets 7, ...
They are provided symmetrically with respect to the center line of the base body 9A. Further, concave portions 51, 51 for gripping are provided on the upper surface of the base body 9A, and a lowering portion 49 along the circumferential surface of the rising plate 43 is erected on the lower surface of the peripheral edge of the base body 9A placed on the extension portion 27A. I am lowering.

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.

[0043]

As described above, in the underfloor air introduction device of the present invention, the blower tool having the blower is attached to the floor cover placed on the attachment frame which is attached to the periphery of the opening larger than the plane size. Therefore, the blower device can be easily installed from the floor,
It is possible to eliminate the work under the floor, to save the labor of the work, and to easily take out the blower together with the floor cover on the floor, and to perform the maintenance conveniently without any trouble. Therefore, the work in the underfloor space can be omitted, and there is no need to provide a separate inspection port.

[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 a floor cover and a mounting frame 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 example of the cabinet.

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

FIG. 13 is a plan view showing another embodiment of the lid body.

FIG. 14 is a sectional view thereof.

FIG. 15 is a plan view showing another embodiment of the lid body.

FIG. 16 is a sectional view thereof.

FIG. 17 is a plan view showing another embodiment of the lid body.

FIG. 18 is a sectional view thereof.

[Explanation of symbols]

 2 Blower 3 Blower device 4 Floor cover 5 Blower 6 Hole 7 Outlet 9 Lid 20 Mounting frame A Opening F Floor S S Underfloor space

Claims (1)

[Claims] 1. A blower unit having a blower arranged in an underfloor space and blowing out underfloor air is mounted on a mounting frame which is provided on a floor of a house and is attached to a peripheral edge of an opening larger than a plane dimension of the blower unit. An underfloor air introduction device which is attached to a floor cover to be placed, and which is provided with a hole communicating with the blower port of a blower device, and a lid having a blowout port is arranged in this hole.