JP3066621B2 - Floor material - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to the finishing of floors in rooms where tatami or carpets are laid by laying them on smooth finished foundation floors, such as flooring materials, especially concrete floors. The latter relates to a floor material used in the construction of the floor surface.

[0002]

2. Description of the Related Art In a conventional house made of steel frame or reinforced concrete, such as a condominium, the foundation floor surface before being completed in a living room is a smooth floor surface made of concrete or panels. And this base floor is set one step lower than the floor when it becomes a living room, the base floor is formed on this base floor, tatami is laid or carpet is laid, Living room floor. Thereby, a heat insulating layer is formed between the floor of the living room and the floor of the foundation, and a comfortable living room is obtained.

[0003] However, the conventional construction of the finished floor requires a great deal of time, and the construction requires a combination of wooden materials, which requires skill. The present invention has been made in view of such a point, and an object of the present invention is to simplify construction of a finished floor surface and to perform construction without requiring skill.

[0004]

The technical means of the present invention for solving the above-mentioned problem is as follows: "A large number of square or rectangular floor units (1)
(1) and many connectors (2) connecting these floor units
(2), each floor unit (1) is provided with legs (11) having a square cross section and a fixed height at each corner thereof, and each leg is provided at the top of the floor unit (1). The connector (2) is opened upward and the leg (1) is positioned slightly inward from the contour of the surface.
A square dish-shaped body in which four square chambers (20) and (20) each having a size into which 1) fits is arranged vertically and horizontally at predetermined intervals.
(20) The distance between (20) and the four legs (1) adjacent to each other when the corners of the four floor units (1) and (1) are
1) In the flooring matched with that of (11), the leg (11)
A part of the side wall of the coupling member (2) is formed as an elastic engagement piece (3) having an engagement projection (31) at the lower end, and the elastic engagement piece (3 3) Engaged part that engages with the engagement projection (31) of
(4) is provided, and the pressing tongue (40) is projected from the bottom wall of the connecting tool (2) so as to face the engaged portion (4).
The distance between the tip of (40) and the engaged portion (4) is set to such an extent that the engaging projection (31) is forcibly pressed.
(4) When the arrangement positions of (4) are aligned so that the corners of the four floor units (1) and (1) coincide, the elastic engagement pieces (3) and (3) of each leg (11) are aligned. ) Is set at the position where it engages. In addition, the floor material may be described as “a pair of side walls parallel to each of the elastic engaging pieces (3), which are side walls of the leg (11) and are adjacent to each other across the top of the contour of the floor unit (1). And the engaged portion (4) is formed on a pair of side walls of the side wall of the square chamber portion (20) which are located in the connecting member (2) and are adjacent to each other. '' It may be something.

[0005]

The above technical means operates as follows. When laying floor units (1) and (1) on the foundation floor, one floor unit
Laying it with the connecting parts (2) and (2) attached to the legs (11) and (11) of (1), or the connecting parts (2) and (2) previously arranged at predetermined positions. Are laid so as to connect the floor units (1) and (1). At this time, the floor units (1) are laid so that the legs (11) and (11) are fitted into the square chambers (20) and (20) of the couplings (2). At this time, in the periphery of the laying area,
Sets the fitting posture to a predetermined position such that only a part of the corner chambers (20) (20) is fitted to the legs (11) (11). Connector (2)
Is a square dish having four square chambers (20) and (20) which are open upward and have the size to which the legs (11) fit. The connecting members (2) and (2) located in the peripheral part of the laying area take a posture along the peripheral wall of the foundation floor.
Further, in the laying area surrounded by the peripheral part, the four legs (11) and (11) are connected in such a manner that they are fitted into the corner chambers (20) and (20) of one connecting tool (2). . At this time, since the legs (11) are located slightly inward of the contour of the top surface of the floor unit (1), the periphery of the floor unit (1) is densely continuous.
Then, each leg (11) fits into the corresponding square chamber (20),
The whole of the laid floor units (1) and (1) are integrally connected via the connecting members (2) and (2), and the upper surfaces of the floor units (1) and (1) become uniform planes.

When removing a specific floor unit (1),
When this is forcibly raised, other floor units (1) (1)
Are integrally connected as a whole, so that only the specific floor unit (1) can be removed while these are laid and the connecting members (2) and (2) remain at predetermined positions. Further, since a part of the side wall of the leg portion (11) is formed as an elastic engagement piece (3) having an engagement projection (31) at a lower end, each corner chamber portion of the coupling tool (2) is provided. On the side wall of (20), the elastic engagement piece (3)
Since the engaged portion (4) that engages with the engaging projection (31) of
Except for the peripheral portion of the laying area, the four legs (11) and (11) are connected by being press-fitted into the corner chambers (20) and (20) of one connecting tool (2). At this time, the engagement protrusion (31) of the elastic engagement piece (3)
Engages with the to-be-engaged portion (4) formed on the side wall of the square chambers (20), (20), and the connecting member (2) and the floor unit (1) are connected and fixed. At this time, the tongue is pressed so as to face the engaged portion (4).
(40) is protruded from the bottom wall of the connector (2), and the interval between the tip and the engaged portion (4) is set to a predetermined interval.
The engaging projection (31) is forcibly pressed between the engaged portion (4) and the tip of the pressing tongue piece (40). Therefore, even if the elastic engagement piece (3) is distorted, the engagement between the engagement protrusion (31) and the engaged portion (4) is not inadvertently released. In the periphery of the installation area,
The mounting posture of (2) is adjusted to a predetermined position, and the elastic engagement pieces (3) are
Although the insertion position is displaced from the position of the engagement projection, it is bent by its own elasticity, and the entire cross section of the leg (11) is inserted into the corresponding square chamber (20). Specific floor unit
(1) When removing, forcibly raise it,
The engagement projection (31) at the tip of the elastic engagement piece (3) is pulled up while expanding between the tip of the pressing tongue piece (40) and the engaged part (4), and is pulled up. ) Is disengaged from the engagement projection (31).

[0007]

[Effect] By adjusting the fitting posture of the connector (2) to the leg (11), the floor unit (1) and the connector (2) can be combined with the common floor unit (1) to cover the entire area of the foundation floor. 1) Since (1) can be laid, floor construction is easy. Also, when removing a specific floor unit (1), simply pull it up and the other floor units (1) (1) will remain laid, so if the floor unit is partially damaged Exchange is easy.

In the floor unit (1), the engaging projections (31) of the elastic engaging pieces (3) provided on the legs (11) and (11) are engaged with the engaged parts (4) of the connecting tool (2). ), So that the connector (2) and the floor unit
The connection strength with (1) is also sufficient. Furthermore, the engagement protrusion (31)
In order to release the engagement between the engaging tongue and the engaged portion (4), the distance between the pressing tongue piece (40) and the to-be-engaged portion (4) is expanded so that the engaging projection (31) is released.
The elastic engagement piece (3) of the leg (11) is inadvertently disengaged from the engaged part (4) even if the elastic engagement piece (3) is distorted. It is not possible to do so, and if necessary, it can be forcibly removed.

[0009]

[0010]

[0011]

[0012]

[0013]

[0014]

Next, an embodiment of the present invention will be described in detail with reference to the drawings. In this embodiment, the floor unit (1) is
-As shown in Fig. 2, legs are attached to the corners of the square top plate (10).
(11) (11) is connected and the whole is formed by injection molding of synthetic resin.

The top plate (10) has a plurality of linear ribs (R) extending radially from the center on the back surface of the thin front plate.
₁ ) (R ₁ ) and a large number of annular ribs (R ₂ ) (R ₂ ) intersecting them are integrally connected, and these ribs are used when the top plate (10) is formed. Distortion is prevented and the strength of the top plate is ensured. Each leg (11) is formed in a tubular shape with a square cross section, and the side wall following each side of the corner of the top plate (10) has a certain dimension more than the contour of the top plate (10). It is located inside. Therefore, when a large number of floor units (1) and (1) are laid in rows and columns, where the vertices of the top plates (10) and (10) are concentrated at one point, the adjacent legs (11) and (11) ) There is a certain gap between each other.

The leg portion (11) is a cylindrical body which opens downward, and has a side wall which is a side wall (hereinafter simply referred to as an outer side wall (11a)) continuing to two adjacent sides of the top plate (10). .)
A strip-shaped elastic engagement piece (3) extending vertically is provided.
The upper end of the elastic engaging piece (3) is integrally continuous with the side wall of the leg (11), and slits (S) and (S) that open downward are formed on both sides. Therefore, it can be elastically bent in a direction perpendicular to the side wall of the leg (11). Also, elastic engagement pieces
The lower end of (3) is set slightly higher than the lower end of the leg (11), and an engaging projection (31) is formed on the entire outer surface of the lower end so that its longitudinal cross section has an outwardly convex mountain shape. ing.

The formation position of the elastic engagement piece (3) is deviated from the center of the outer side wall (11a) of each leg (11) toward the center of each side of the top plate (10). Position. On the other hand,
(2) is a square dish with a cushion material (29) such as a sponge attached to the back surface as shown in FIGS. 3 and 4, the thickness of the bottom wall is set to 3 mm, and the side wall is Is set to be slightly smaller than the step between the periphery of the top plate (10) and the outer side wall (11a). In the area surrounded by the side wall (21) of the connecting member (2), it is bent in an L-shape.
Two partition walls (22) and (22) are formed, and the area surrounded by one partition wall (22) and the corner of the side wall (21) becomes a square corner chamber part (20). ) Is the size of the legs (11)
Are just large enough to fit. The partition wall (22)
Each side wall (22a) is formed with a notch (43) that opens downward at a position deviated outward from the center thereof, and the upper side of the notch (43) is formed in the corner chamber (20). Slope facing inward (4
4). The area where the notch (43) is formed matches the area where the elastic engagement piece (3) is formed in the leg (11),
The position of the inclined surface (44) is adapted to the engagement protrusion (31).

A pressing tongue (40) is formed at a position facing the notch (43), and the pressing tongue (40) is connected to the connecting member (2).
It is composed of an upright piece (41) extending from the bottom wall and a horizontal piece (42) extending horizontally from the upper end of the upright piece (41). The tip of the horizontal piece (42) has an arc-shaped cross section and the inclined surface (44).
Opposes. The tip of the horizontal piece (42) and the side wall (22)
The distance from the inner surface of (a) is set to be larger than the thickness of the portion of the elastic engaging piece (3) where the engaging projection (31) is formed.

From the above, the inside of the connecting member (2) is
Corner chambers (20) and (20) are formed, and two pressing tongue pieces are provided on the bottom wall of each corner chamber (20) so as to face the side walls (22a) and (22a).
(40) The (40) is extended. In this embodiment, an auxiliary leg (9) for cutting the floor unit (1) into a predetermined size for use is provided.

As shown in FIG. 5, the auxiliary leg (9) is formed in a rectangular bottomed cylindrical body, and its height is adjusted by connecting the leg (11) to the corner chamber (2) of the connecting member (2). The gap between the lower surface of the top plate (10) and the lower surface of the connector (2) in the state of being fitted in the inside (20) is matched. Then, the upper and lower surfaces of the auxiliary leg (9) face each other.
Each central portion of the side protruding pair of projecting pieces (91) (91) upward, sectional bottom of these protruding pieces (91) (91) spacing (92) is linear ribs (R ₁₎ is pressed Are set to the interval.
The distance between the opposing sides provided with the protruding sides (91) (91) is set to be larger than the maximum distance between the adjacent annular ribs (R ₂ ) (R ₂ ). That is, the length of the side not having the protruding pieces (91), (91) is set to be longer than the maximum interval between the adjacent annular ribs (R ₂ ), (R ₂ ).

A description will be given of an actual case in which the base floor (52) is formed on the base floor (51) by using the floor unit (1), the connector (2) and the auxiliary legs (9). Before laying the floor unit (1), connect the couplings (2) (2) to the floor unit (1) (1).
After laying it down, it is fitted to each leg (11) so as to conform to the laying posture. At this time, as shown in FIG. 6, in the floor unit (1) laid on the corner of the base floor (51), a connecting part (2) is attached to one leg (11) at the corner. Attach and fix so as to match the corner part of (51). The leg (11) located around the base floor (51) is attached and fixed so that the side wall of the connecting tool (2) and the periphery of the base floor (51) coincide. Also, the foundation floor
(51) On the legs (11) of the floor unit (1) laid in the middle, the diagonal line of the floor unit (1) and the diagonal line of the connector (2) match and project outward from the floor unit. To connect (2)
Attach.

On the basis of the above conditions, the floor units (1) (1) on which the connecting tools (2) and (2) are mounted sequentially from the corners of the base floor (51).
Laying and going. The floor unit (1) laid on the corner of the basic floor (51) has connecting parts to all the legs (11) (11) in advance.
(2) Wear (2) in a predetermined posture. When laying the floor unit (1) following this, the laid floor unit (1)
A floor unit (1) (hereinafter, referred to as an additional unit) to be newly added is laid such that one side of the top plate (10) coincides with one side of (hereinafter, referred to as a laid unit).
A pair of legs (11) and (11) on the matching side of the additional unit are separately attached to the square chamber (20) of the pair of connectors (2) and (2) projecting outward from the one side of the installed unit. Prior to the fitting connection, prior to the fitting connection, the pair of legs (11) and (11) are connected in a predetermined posture to the pair of legs (11) and (11) on the side opposite to the side on which the pair of legs (11) and (11) are provided. Attach the components (2) and (2). Then, a part of the corner chamber portion (20) of the connecting tool (2) (2) protrudes outside the laid additional unit, and the new additional unit is connected in the same manner as above. Can be laid.

When the floor units (1) and (1) are successively laid in this manner, the sum of the height of the legs (11) and the height of the bottom of the connector (2) is provided above the base floor (51). A base floor surface (52) having a continuous top plate portion (10) (10) is formed at an interval corresponding to the above, and a plate material (54) is bonded thereon with an adhesive (50) to finish the floor surface (53). ) Is formed, and when a carpet is laid on the upper surface, the floor of the living room is completed.

When the shape and size of the base floor surface (51) are such that the floor units (1) and (1) can be just spread, the above construction alone does not cause any inconvenience. 1) At the time of completion of the laying of (1), if there is an unfinished part around the foundation floor (51) as shown in Fig. 7, the floor unit (1) corresponding to this unfinished part is As shown in FIG. 8, the cutting unit (1
a). At this time, some legs (11) may be cut off. In this case, as shown in FIG. 9 and FIG. 9, the back surface near the cut end of the cut-off side of the top plate (10) is used. Straight rib (R
₁ ) into the protruding pieces (91), (91)
(9) is installed in the temporarily fixed state and laid. As a result, the cutting unit (1a) laid on the unfinished part is
(11) is fitted and connected to the connectors (2) and (2) protruding from the installed unit, and the top plate (10) is connected to the legs (1).
1) (11) and those supported by the auxiliary legs (9) (9).
At this time, the auxiliary legs (9) and (9) with respect to the cutting unit (1a)
Is mounted in a temporarily fixed state, so that the workability of the laying work is good.

When the cutting unit (1a) is laid in the entire area where the laying has not been completed, the whole area of the foundation floor (51) is laid by the floor units (1) and (1). ) Is formed. When the base floor (52) is constructed as described above, most of the laying area has four legs (1) as shown in FIG.
1) and (11) are pressed into the respective square chambers (20) and (20) of one connector (2), and the engaging projections (31) are engaged with the inclined surfaces (44).
At this time, the distance between the side wall (22a) and the tip of the horizontal piece (42) is set smaller than the thickness of the tip of the elastic engaging piece (3) formed with the engaging projection (31). Since the pressing tongue piece (40) is formed of an elastic material and has an upright piece (41), the horizontal piece (42) is retracted, and the engaging projection (31) is moved to the horizontal piece (42). Is forcedly inserted so as to widen the distance between the tip of the boss and the side wall portion (22a), and the engagement protrusion (31) having a chevron cross section engages with the inclined surface (44).

On the other hand, as shown in FIG. 11, an elastic engaging piece (3) is provided on a connecting member (2) located at a corner portion and a peripheral portion of a foundation floor surface (51) in contact with an inner wall surface of a side wall (21). The leg (11) is pressed into the square chamber (20) in such a manner that the elastic protrusion (3) can be freely bent because the cross section of the engaging protrusion (31) is mountain-shaped. As shown in the figure, the leg (11) is accommodated in the square chamber (20) in a state of being curved inward, as shown in FIG.

In the construction of the floor surface using the floor unit (1) and the connecting device (2), the work of mounting the connecting devices (2) and (2) to the floor unit (1) and connecting the connecting device to the floor unit (1). Since the laying work is the main work, it does not require skill as in the related art. In addition, even when the cutting unit (1a) is required for laying the floor units (1) and (1), the cutting unit (1a) is connected to the auxiliary legs (9) (9) and the legs (11) (11). Can be laid stably.

In the above embodiment, the engaging projection (31) is notched (4) while the leg (11) is pressed into the square chamber (20).
3), but engages with the side wall (22a) and the horizontal piece (4).
The distance from the tip of (2) is set to be smaller than the thickness of the formation portion of the engagement projection (31) and larger than the thickness of the elastic engagement piece (3) above it. Therefore, in the engaged state,
The distal end of the horizontal piece (42) protrudes at a slight distance from the back surface of the elastic engaging piece (3), and for some reason, the elastic engaging piece (3) is distorted and the engaging projection ( 31) is notch (43)
Even when the horizontal pieces (42) tend to escape, the tips of the horizontal pieces (42) function as stoppers and do not easily come off.

When the floor is repaired, the floor unit
If (1) is removed individually, raise it forcibly. Since the inclined surface (44) and the engaging projection (31) are in contact with each other by the inclined surface, and since the horizontal piece (42) is connected to the upper end of the upright piece (41), the floor unit ( 1), the engaging projections (31) escape from the notches (43) while retracting the horizontal pieces (42) backward, and the floor units (1) are individually taken out. Can be removed.

The pressing tongue (40) is effective to prevent the engaging projection (31) from inadvertently coming off.
(40) does not need to be L-shaped as in the above embodiment. As long as the distance between the tip of the horizontal piece (42) and the inner wall of the side wall (22a) is the same as in the above embodiment, The projecting length of the piece (42) may be short. In an extreme case, the pressing tongue piece (40) is composed of only the upright piece (41), and the upper end thereof is configured to match the position of the tip of the horizontal piece (42) of the above embodiment. Is also good. Further, if the cross section of the tip is arc-shaped, the inclined piece (46) protrudes from the bottom wall of the square chamber (20) (20) as shown in FIG. 12, or the arc-shaped as shown in FIG. It may be a piece (45).

In the above construction example, the connecting members (2) and (2) attached to the legs (11) and (11) are merely attached to the foundation floor surface (51). ) May be bonded to the foundation floor surface (51). In the above construction example, the connecting members (2) and (2) were
(11) Attach to each of (11) in a predetermined posture and
Although it was laid on 1), the connectors (2) and (2) were bonded and fixed at predetermined positions on the foundation floor (51), and the floor units (1) and (1) were fitted to this. Alternatively, a method of laying may be adopted.

If the floor of the living room is a tatami mat, the tatami mat may be laid directly on the upper surface of the base floor (52) described above. The plate member (54) to be bonded to the upper surface of the plate (52) may be a decorative plate for a floor plate constituting a floor surface between the plates. When the living room floor is a carpet, the carpet is laid on the finished floor (53) on which the plate (54) is laid. still,
In this embodiment, a thin plate is provided on the upper surface of the top plate (10). However, the top plate (10) has a straight rib (R ₁ ) and an annular rib.
(R ₂ ) and the outer peripheral frame only. In this case, the upper edge of each rib and the upper edge of the outer peripheral frame are configured to be located on the same plane. In this embodiment, the combination of the linear ribs (R ₁ ) and the annular ribs (R ₂ ) is used. However, other arrangements such as a configuration in which the linear ribs are arranged in a grid pattern may be used. Good.

The dimensions of the flooring unit (1) and the connecting members
It goes without saying that the dimension of (2) can be arbitrarily changed according to the specifications. Further, the auxiliary leg (9) may have another shape. Further, a pair of projecting pieces (91) and (91) of the auxiliary leg (9) may be press-fitted between a pair of opposing ribs. In short, the auxiliary leg (9) is Any configuration may be used as long as it is mounted in a temporarily fixed state.

[Brief description of the drawings]

[Fig. 1] Side view of floor unit (1)

[Fig. 2] Bottom view of floor unit (1)

FIG. 3 is a plan view of the coupling (2) with the legs (11) and (11) inserted therein.

FIG. 4 is a sectional view taken along line AA (illustration omitted of legs (11) and (11)).

FIG. 5 is a perspective view of an auxiliary leg (9).

FIG. 6 is an explanatory view of a plane state at the time of floor construction.

FIG. 7 is a laying plan when an unfinished part is laid;

FIG. 8 is a rear view of the cutting unit (1a).

FIG. 9 is an explanatory view of a mounting state of the auxiliary leg (9).

FIG. 10 is a cross-sectional view of a main part of a central portion of a floor surface in a completed construction state.

FIG. 11 is a cross-sectional view of a main part of an end of a floor surface in a completed construction state.

FIG. 12 is an explanatory view of another example of the pressing tongue piece (40).

FIG. 13 is an explanatory view of another example of the pressing tongue piece (40).

[Explanation of symbols]

 (2) ・ ・ ・ Connecting device (1) ・ ・ ・ Floor unit (11) ・ ・ ・ Leg (31) ・ ・ ・ Engagement projection (3) ・ ・ ・ Elastic engagement piece (20) ・ ・ ・ Square Chamber (4) ・ ・ ・ engaged part (40) ・ ・ ・ Pressing tongue

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 4-30641 (JP, U) JP-A 2-93438 (JP, U) JP-A 1-1114745 (JP, U) (58) Survey Field (Int.Cl. ⁷ , DB name) E04F 15/00-15/024

Claims (2)

(57) [Claims] 1. A large number of square or rectangular floor units
(1) (1) and a number of connecting tools to connect these floor units
(2) and (2), each of the floor units (1) is provided with legs (11) having a square cross-section and a constant height at each corner thereof, and each of the legs is a floor unit (1). ) Is located slightly inward of the contour of the top surface of (2), the connecting device (2) is open upward and the legs
(11) Four square chambers (20) (20) of the size to fit into a square dish-shaped body arranged side by side at predetermined intervals vertically and horizontally, the interval between the square chambers (20) (20) Is the four legs that are adjacent when the corners of the four floor units (1) and (1) are aligned
(11) In the floor material matched with that of (11), a part of the side wall of the leg (11) is an elastic engaging piece (3) having an engaging projection (31) at a lower end, and (2) Each corner chamber (2
The side wall of (0) is provided with an engaged portion (4) that engages with the engaging projection (31) of the elastic engaging piece (3), and a pressing tongue is provided so as to face the engaged portion (4). Make the piece (40) project from the bottom wall of the coupling (2),
The distance between the tip of the pressing tongue piece (40) and the engaged portion (4) is set to such an extent that the engaging projection (31) is forcibly pressed in, and the engaged portion (4) ( 4) Arrangement position of 4 floor units
(1) A flooring material set at a position where the elastic engaging pieces (3) and (3) of each leg (11) engage when the corners of (1) are arranged so as to coincide with each other. 2. The elastic engaging piece (3) is formed on each of a pair of side walls parallel to each of the side walls of the leg (11) and adjacent to each other across the top of the contour of the floor unit (1). The said engaged part (4) is formed in a pair of side walls which are located in the connector (2) and adjacent to each other among the side walls of the square chamber part (20). The described flooring.