JPH06212711A - Floor face cover - Google Patents

Abstract

PURPOSE:To easily exchange a surface material and secure its strength. CONSTITUTION:In a floor face cover to cover a rectangular opening provided on the floor body F of a building, a plane rectangular laminated body formed of a supporting plate 27, a plywood 30 arranged on the upper face of the plate 27 and a surface material 31 arranged on the upper face of the plywood 30 is arranged on the all sides of the floor face cover, and mutually screwed, and unitedly joined using four main body frames 23 mounted on an attaching frame attached to the peripheral edge of the opening A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is preferably used for attaching a floor cover which can easily replace surface materials and can secure strength, and in particular, to install a blower device which is placed in an underfloor space and blows out underfloor air. Uru floor cover.

[0002]

2. Description of the Related Art In recent years,
In order to improve the habitability and comfort of houses, underfloor air introduction devices that cool, heat and ventilate while saving energy by introducing indoor underfloor air that is cooler in the summer and warmer in the winter compared to the open air are becoming popular. is there.

Such an underfloor air introduction device is generally
It is formed of a blower device installed under the floor and a duct having one end connected to the blower device and the other end connected to an outlet provided on the floor.

However, such an underfloor air introduction device is not good in workability because it requires a work under a narrow floor for the installation work of the blower tool or maintenance such as maintenance and inspection thereof.

Therefore, by attaching the blower device to the floor cover covering the opening provided in the floor body, and by mounting the floor cover on the mounting frame provided at the periphery of the opening, the blower device is provided. Has been proposed in the underfloor air introduction structure that allows the installation work and maintenance to be performed on the floor with good workability.

The floor cover adopted in such an underfloor air introduction structure is not only required to have sufficient strength because a person walks on it, but of course, a surface material for forming the floor is used. What can be easily replaced to suit the surrounding floor finish is desired.

The present invention is based on the fact that a planar rectangular laminated body of a support plate, a plywood and a surface material is integrally joined using four body frames arranged on the four sides and screwed together. The purpose of the present invention is to provide a floor cover that can secure strength with a support plate, and can easily replace the surface material with a desired flooring or floor material while removing the main body frame and adjusting the thickness with plywood.

[0008]

DISCLOSURE OF THE INVENTION The present invention is a floor cover for covering a rectangular opening provided on a floor of a house, which is provided on a support plate, a plywood arranged on the upper surface thereof, and the upper surface thereof. A flat rectangular laminate with a surface material is integrally joined using four body frames that are arranged on its four sides and screwed together and mounted on a mounting frame that is attached to the periphery of the opening. ing.

[0009]

The strength of the floor cover is secured by the support plate (for example, SPG). Also, by removing one body frame, the plywood and surface material can be removed, the surface material can be easily replaced with a desired flooring or floor material, and the thickness of the laminate can be conveniently adjusted by the plywood. .

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the floor cover of the present invention will be described below with reference to the drawings by taking as an example the case where it is adopted in an underfloor air introduction structure for introducing underfloor air into a room by attaching a blower.

In the drawing, an underfloor air introduction structure is provided with a blower unit 3 having a blower 2 arranged in an underfloor space S for blowing out underfloor air, which is provided on a floor F of a house and is larger than the plane dimension of the blower unit 3. It is attached to the floor cover 4 that covers the opening A, and the floor cover 4 is provided with a hole 6 that communicates with the blower port 5 of the blower unit 3, and a lid 9 having an outlet 7 is provided in this hole 6. On the other hand, on the floor F, a cabinet C having a detachable bottom plate D passing over the lid 9 and capable of blowing underfloor air from the lid 9 is arranged.

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 20 and extends toward the opening A, and a lower surface and opening of the mounting piece 23A. A
The standing piece 23B that hangs along the hanging piece 20B at a position reserved from the edge that faces toward, 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. It is a long elongate extruded aluminum material having a lower piece 23C, and has vertical and small length projections 25, 25 projecting in the direction facing each other on the surface facing the opening A of the standing piece 23B and on the upper and lower sides. I have set up.

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.

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. The laminated body 24 is integrally joined by using the four body frames 23 ... Which are arranged on the four sides and screwed to each other to form the floor lid 4, and the floor lid 4 is formed by the body. By mounting the frames 23 on the attachment frame 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. 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 that of the blower unit 3 as shown in FIG. By appropriately setting the plane dimensions of the opening A,
A blower tool 3 having a large 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 circular base body 9A whose upper surface is convex and has an arc shape with a large radius of curvature. Further, a mounting surface 47 to be mounted on the extension portion 27A of the support plate 27 is formed on the lower surface of the peripheral edge of the base body 9A, and a falling portion 49 that hangs down along the inner peripheral surface of the upper end of the rising plate 43 is lowered. Further, a spring piece 50 is attached to the outer peripheral surface of the falling portion 49 over the entire circumference thereof.

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 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 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 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 dowels 63 provided on the side plates 61, 61. It is supported by a horizontal bottom plate D that 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 dressing 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 conveniently rotated. It is possible to move, and it is easy to change the blowing direction.

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 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 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 example of the lid 9.
In this example, the lid 9 is a circular base body 9 whose upper surface is horizontal.
Several outlets 7, ..., 6 facing diagonally upward are provided in A symmetrically with respect to the center line of the base body 9A. Also base 9A
In addition to providing the concave portions 51, 51 for gripping on the upper surface,
On the lower surface of the peripheral edge of the base body 9A placed on the extension portion 27A, a stand-down portion 49 along the circumferential surface of the stand-up plate 43 is raised.

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. It is also possible to form the circular and concentric outlets 7 ... Opening on the upper surface and the lower surface by connecting the side walls 57 between the adjacent outlets 7 with a rod-shaped body 59.

The floor cover of the present invention can be used for closing various floor openings, such as one that covers the floor opening of an underfloor storage.

[0045]

As described above, according to the floor cover of the present invention, the laminated body of the support plate, the plywood and the surface material is integrally connected by using four body frames screwed to each other. The strength of the floor cover can be sufficiently secured by the support plate, and the surface material can be easily replaced by lifting the floor cover from the mounting frame and removing one body frame by removing the screw, which is convenient. Can be raised. The plywood may also be replaced with an appropriate wooden floor material for adjusting the thickness of the laminate.

[Brief description of drawings]

FIG. 1 is a sectional view schematically 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 a 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 example of the lid body.

FIG. 14 is a sectional view thereof.

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

FIG. 16 is a sectional view thereof.

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

FIG. 18 is a sectional view thereof.

[Explanation of symbols]

 4 Floor cover 20 Mounting frame 23 Main body frame 24 Laminated body 27 Support plate 30 Plywood 31 Surface material A Opening F Floor body

Claims (1)

[Claims] 1. A floor cover for covering a rectangular opening provided on a floor of a house, which is a plane rectangular shape of a support plate, a plywood arranged on its upper surface, and a surface material arranged on its upper surface. A floor cover formed by integrally joining the laminated body using four main body frames arranged on four sides thereof and screwed together and mounted on a mounting frame mounted on the peripheral edge of the opening.