JP2842632B2 - Dry flooring method and joist unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a dry flooring method for forming a double floor by forming a space between existing foundation floors in various buildings such as condominiums and the like. Regarding the joist unit to be used.

[Prior Art] The conventional floor placing method is to place a floor panel material fixed on a floor support member without gaps on a base floor surface, or to put a discarded plywood on this to design a room. This necessitates cutting and processing of floor panel materials.

However, on the other hand, dry dwelling methods with less processing of floor panel materials have been increasing to improve livability such as countermeasures against floor impact noise in apartment houses.

As shown in FIG. 9, the conventional dry flooring method uses a floor unit 3 in which four to six support legs 2 are attached to the four corners and the center of a square (or rectangular) fixed-sized floor panel 1. The floor unit 3 is arranged on a foundation floor (concrete slab) 4 as shown in FIG. 10, and a discarded plywood 5 is spread over the floor unit. Reference numeral 8 indicates a wall (or partition). In another construction method, the eleventh
As shown in the figure, a floor knit 3a in which two floor panels 1 are joined and a support leg 2 is attached only to the side where the floor panels are not overlapped is used. When the floor units 3a are joined side by side, In some cases, the side of the floor unit to which the support legs are not attached is placed on the support leg attachment portion of the other floor unit. Also in this case, a discarded plywood is laid on it.

The floor panels of these floor units are available in several dimensional standards and can be combined according to the room at the time of construction, or can be constructed with a floor unit of one type, and where the size does not fit. Floor panels were processed and constructed on site.

In the above method, the floor unit 3 (3a) close to the wall or the partition 8 is, as shown in FIG.
Of the floor panel 1 protruding from the support legs 2 and the discarded plywood 5 disposed thereon and further protruding therefrom. The part is structurally weak.
When heavy furniture is placed on the floor laid in this way, particularly near the wall or the partition 8, there is a problem that the floor in that part sinks.

As a countermeasure against this, as shown in FIG. 12, the joist 9 is nailed at the height of the floor required for the wall or partition 8.
There has been proposed a method in which the bundle 16 is fixed from the side by using a member or the like, and the bundle 16 supporting the bundle is inserted between the foundation floor (concrete slab) 4 and the joist 9 at an appropriate interval. When installed in this manner, the floor panel 7 is placed slightly above the joist 9 from the wall or partition 8 and fixed with nails 17, and the other floor panel (not shown) is supported by a floor unit or the like. Become like Pile plywood on the floor panels.

According to the joist construction in such a dry flooring method, the strength of the floor at the time of the wall or the partition increases, and the problem that the floor sinks even when heavy furniture or the like is placed hardly occurs. Further, the number of support legs required for the floor unit is reduced, and the cost is also reduced.

[Problems to be Solved by the Invention] Most of the floor panels used in the above-mentioned conventional construction method are square and have an area of 1 m ² or less. These are, for example, 9
Plywood or particle board having a fixed size of 00 mm to 910 mm x 1800 mm to 1820 mm is cut into the above-mentioned shape. In a floor unit composed of floor panels of this size, the area to be placed at one time is almost 1 m ² or less, and when placing the floor in a large room, many floor units must be used. If the floor unit is laid out and the floor unit does not fit in the corner of the room, etc., use a partly cut floor panel.In this case, there is a part without support legs and it becomes unstable. It is inevitable to become.

In addition, in the dry flooring method described above, when the joist is constructed at the time of the wall or the partition, or when the wall or the partition is a hard material such as concrete, the joist cannot always be easily attached. In particular, adjusting the height is extremely time-consuming, and all joist and bundle processing must be done on site, which increases the construction period and increases costs due to rising labor costs. Came to be.

Also, with respect to the floor impact noise that is currently a problem, vibration is transmitted through it to fix the floor panel to the wall through the joist, and the floor impact sound is transmitted downstairs Problems also arise.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and an object of the present invention is to use a fixed-sized floor panel and unit supporting legs to lay the floor panel extremely easily and with good workability. It is an object of the present invention to provide a dry laid floor method that can greatly shorten the construction period. Another object of the present invention is to provide a dry flooring method in which the number of times of processing the floor panel is reduced to improve the efficiency of construction and the construction cost can be reduced.

Another object of the present invention is to improve the workability and the construction cost by eliminating the on-site processing of joists and bundles at the time of construction of the joist, facilitating the work of adjusting the floor height, simplifying, etc. Dry flooring method that can save floor space, secure floor strength at the time of wall or partition, and reduce floor impact noise,
And a joist unit to be used for the floor placing method.

[Means for Solving the Problems] To achieve the above object, according to the present invention, a unit support leg comprising a rod-shaped leg and a receiving plate mounted on the upper end of the rod-shaped leg so as to be vertically adjustable. Group, a joist unit group having supporting legs at at least two horizontally long positions that can be adjusted up and down, and a dry flooring method in which a floor panel group is combined, wherein the joist unit is arranged along a wall or a partition, A joist unit adjusted to a predetermined height level by adhering a horizontal joist of a joist unit to a wall or a partition via a cushioning material is installed along the wall or the partition, and a plurality of joist units are placed on the floor of the foundation floor. The unit support legs are arranged at a predetermined pitch according to the shape of the inset panel, and a plurality of floor panels, for floor panels facing a wall or a partition,
On the other hand, the edge of a wall or partition side is supported by the joist unit and the edge of another side is supported by the unit supporting leg. So that the predetermined portions are supported by the unit supporting legs, arranged via predetermined gaps such that the upper end surfaces of the rod-shaped legs are exposed,
There is provided a dry flooring method in which a floor panel is laid while being supported at a predetermined height level by unit supporting legs.

Adjustment of the floor level of the laid floor panel is preferably performed by, as the unit support leg, a receiving plate having a screw hole at a substantially central portion, and an upper screw portion being screwed into the screw hole of the receiving plate. And, after laying the floor panel, using a unit supporting leg composed of a supporting bolt having a groove on the upper end surface and a rod-like leg composed of a pedestal on which the lower end of the supporting bolt is rotatably implanted. The tip of the rotary tool is fitted into the groove on the upper end surface of the support bolt through the gap between the floor panels, and the height of the receiving plate of the unit support leg is adjusted by rotating the support bolt to adjust the height level of the laid floor panel. Keep it constant.

In one embodiment, the floor panel is used without cutting a standard-sized rectangular plate as it is,
If necessary, two holes (through holes) are formed on the center line of the short side of the rectangular panel at a pitch of, for example, one-third of the long side, and the same pitch is set between this part and the panel edge. This part is used as the attachment part of the unit support leg.

Further, according to the present invention, there is also provided a joist unit that can be suitably used for carrying out the dry flooring method. As will be described later, this joist unit is composed of a horizontal joist and supporting legs which are vertically adjustable at least at two locations separated along the horizontal joist. Characterized in that a cushioning material having the following is attached.

[Advantage of the Invention] In the dry flooring method of the present invention, a plurality of unit supporting legs are arranged on a floor surface of a foundation floor at a predetermined pitch corresponding to the shape of the floor panel, and the plurality of floor panels are arranged at predetermined edge portions thereof. The floor panel is arranged with a predetermined gap such that the upper end surface of the rod-shaped leg is exposed so that the portion is supported by the unit supporting leg, and is supported at a predetermined height level by the unit supporting leg. Is to be laid. For this reason, floor panels can be laid extremely easily and with good workability, and the construction period can be greatly reduced. In addition, since each floor panel is supported by the unit supporting legs at a plurality of locations on the edge, necessary and sufficient floor strength can be maintained. Furthermore, the floor level of the floor panel can be adjusted by inserting the tip of a rotary tool into the groove on the upper end surface of the support bolt through the gap between the floor panels and rotating the support bolt even after the floor panel is laid. This is done by adjusting the height of the boards, so that the height level of the laid floor panel can be adjusted to a constant level by a very simple operation.

When a fixed-size rectangular plate is used, the plate can be used as it is without cutting, and the floor panel can be easily processed only by forming two circular holes. When such a floor panel is used, since the floor panel has twice the area of the conventional floor unit, the floor of the same room can be laid with half the labor. In addition, unit support legs should be short pitch (450m
m to 600 mm), the floor panel can be stably supported.

In addition, by using a joist unit that has support legs that can be adjusted up and down at multiple locations in the horizontal joist, the height of the joist can be easily adjusted, and the joist can be easily attached to the wall or partition. Becomes On this occasion,
By interposing an adhesive cushioning material between the horizontal joist of the joist unit and the wall or partition, transmission of floor impact noise to the downstairs or the adjacent room can be reduced.

[Example] Hereinafter, an example will be described with reference to the drawings.

FIG. 1 is a plan view of an example of a floor panel used in the floor placing method of the present invention. This floor panel 7 uses a standard rectangular plywood or particle board of the standard length 900 mm to 910 mm, 1800 mm to 1820 mm as it is, and has a simple circular hole with a pitch of about 600 mm at two places on the center line of the short side of the panel. 6
Is drilled.

FIG. 2 shows an example of a unit supporting leg used in the present invention. The unit supporting leg 10 includes a rod-shaped leg 11 composed of a supporting bolt 11a whose lower end is rotatably implanted in a vibration isolating pedestal 12 made of an elastic material such as rubber, and a nut (not shown) in the center. A receiving plate 13 having an insertion hole 14 fitted therein and having an adhesive sheet (not shown) adhered to the upper surface thereof. Screw part of receiving plate 13 (nut fitted into insertion hole 14)
The upper thread of the support bolt 11a of the bar-shaped leg 11 is screwed into the unit, and the unit support leg 10 is assembled as shown in FIG. In addition, a minus groove 15 is provided on the upper end surface of the support bolt 11a.
(It may be a plus groove or a polygonal concave portion). The support bolt 11a of the rod-shaped leg 11 is rotated by fitting the tip of a rotating tool such as a screwdriver into the groove 15 and rotating the support bolt 11a. The receiving plate 13 in which the threaded portion of the insertion hole is screwed to the upper threaded portion of the container moves up and down (since the load of the floor panel placed on the receiving plate is applied and the receiving plate cannot rotate), the receiving plate 13 The floor level of the supported floor panel can be adjusted.

FIG. 3 shows an arrangement of the floor panel shown in FIG. The floor panel 7 is arranged with a predetermined gap d corresponding to the diameter of the support bolt 11a, and the edge of the floor panel 7 is supported by the unit support legs 10.

At the site, as shown in FIG. 4, a joist unit 18 as described later is provided along a predetermined height of the room wall 8, and one side of the floor panel 7 is supported thereon. Two unit supporting legs 10 are attached to the floor panel 7 from the back side in advance in accordance with the two holes 6. The other edge of the floor panel 7 which is not in contact with the joist unit 18 is mounted on the unit supporting leg 10 placed on the foundation floor (concrete slab) 4 at a pitch of about 450 mm in a cantilevered state. The unit support leg 10 and the floor panel 7 are attached via an adhesive sheet or the like adhered to the upper surface of the receiving plate of the unit support leg 10. The insertion hole 14 of the receiving plate 13 of the unit support leg 10 is exposed from the edge of the floor panel 7. Similarly, two unit support legs 10 are attached to the adjacent floor panels at the two holes 6,
The floor panel 7 is mounted on the already installed unit supporting leg 10 with a predetermined gap capable of adjusting the level of the floor panel 7, and the other unit supporting legs are similarly arranged and mounted. The level of the floor panel 7 (upper surface of the receiving plate 13) is adjusted by inserting the tip of a driver or the like through the insertion hole 14 into a groove 15 formed in the upper end surface of the support bolt 11a.
It is adjusted by rotating the support bolt 11a via a screwdriver or the like.

Repeat this work for each floor panel.In narrow places where a fixed-size floor panel does not fit, such as a corner of a room, attach a joist, process the standard-size board, adjust the dimensions, and appropriately attach the unit support legs. Place and spread floor panels throughout.

After that, laid plywood 5
Lay.

FIG. 5 shows one structure of a joist unit having a vertically adjustable support leg according to the present invention. The joist unit 18 is a horizontally long joist 19 made of wood or other material.
A through-hole 23 is formed in at least two places spaced apart from each other, and a nut 20 is fitted and fixed to a lower portion of the through-hole 23. An upper end of a support bolt (support leg) 21 is inserted into the through-hole through the nut 20. Screw the parts together.

The lower end of the support bolt 21 is rotatably attached to a rubber pedestal 22 having sufficient strength as required, or the rubber pedestal is not attached. A minus groove is provided on the upper end surface of the support bolt 21. The top of the joist can be adjusted to the required height by inserting the tip of the tool for rotation from the upper part of the through hole 23, fitting it into the minus groove, and rotating the support bolt 21.

FIG. 6 is a layout view of one embodiment of a floor placement method using a floor panel 7a that has not been perforated and a joist unit shown in FIG.

FIG. 7 is a cross-sectional view taken along the line AA in FIG.

FIG. 8 is an overall perspective view of the floor placing method including FIGS. 6 and 7 at the time of completion.

In the construction at the site, as shown in FIGS. 7 and 8, the joist unit 18 is placed on the floor of the foundation floor (concrete slab) 4 slightly away from the wall or partition 8 and adjusted to the set height. Thereafter, the next joist unit 18 is placed at an appropriate interval from the first joist unit where the first joist unit 18 was initially placed, and the same operation is sequentially repeated.

The joist unit 18 is appropriately arranged on a wall or a foundation floor at the time of partitioning, by eliminating the on-site processing as much as possible by adjusting the interval and the like of each unit. After that,
In the same step as the floor placement method, one side of the floor panel 7a is placed and fixed on the joist unit 18 arranged as described above with an appropriate gap from a wall or a partition, and the other edge of the floor panel is fixed. Attach the unit supporting legs 10 in advance to the section and adjust the height so that the floor panel 7a is horizontal, and then sequentially perform the same operation to support the floor panel 7a at a predetermined edge portion thereof by the unit supporting legs 10. The floor panel is similarly placed and fixed on the joist unit attached to the opposite wall or partition, while laying down and adjusting the height.
After laying the floor panel in this manner, if necessary, the floor panel 7a and the receiving plate 13 of the unit support leg 10 are fixed with nails or the like, and then the discarded plywood 5 is laid so as to cover all the floor panels. Use as a floor substrate. In addition, if it sticks on this floor foundation, depending on the kind of floor finishing material (for example, thick carpet etc.), it may not be possible to lay a discarded plywood.

Here the joist 19 of the joist unit 18 and the wall or partition 8
Use a cushioning material, an adhesive or the like between them. As the cushioning material at this time, a material in which an adhesive is applied to both sides of a foaming resin or a flexible resin, or a double-sided adhesive tape having a buffering property can be used. The use of the unit 18 can greatly reduce the on-site labor.

This joist unit can be applied to a conventional dry flooring method in addition to the application to the dry flooring method in which the unit supporting legs and the fixed-size rectangular panel group are combined as described in the present embodiment.

[Effects of the Invention] The present invention is configured as described above, and has the following effects.

(1) Floor panels can be laid extremely easily and with good workability, and the construction period can be greatly reduced. Adjustment of the floor surface level of the floor panel involves adjusting the height of the receiving plate of the unit support leg by rotating the support bolt by fitting the tip of a rotary tool into the groove of the upper end surface of the support bolt through the gap between the floor panels. The height level of the laid floor panel can be adjusted to a constant level by a very simple operation.

(2) A large fixed-size rectangular plate can be used as a floor panel without being cut as it is, and even when it is processed, only two holes need to be formed in the floor panel.
Cost can be reduced. In addition, since the floor area of one floor panel is large in construction, floor placement work can be performed with half the labor required in the related art, shortening the construction period and reducing construction costs.

(3) By using the joist unit and arranging the unit supporting legs in the gap between the adjacent floor panels, the number of supporting legs can be minimized, and the cost can be reduced in this respect as well.

(4) Make the margin between floor panels relatively short (about 450m
By supporting with the support block in m), or by supporting the hole on the center line of the floor panel with the unit support legs, sufficient strength and stability can be provided as compared with the conventional one.

(5) Even after the floor panel is entirely laid, the upper end surfaces of the support bolts of the unit support legs are exposed in the gap between the adjacent floor panels, and the floor level can be adjusted.

(6) From the above (1) to (5), it is possible to construct a floor which is inexpensive, shortens the construction period, and has excellent strength and stability.

(7) Since the area of one floor panel is large and the number of unit support legs per one floor panel is large, improvement in the stability of the floor panel can be expected.

(8) By using the joist unit, necessary and sufficient strength of the floor at the time of the wall or the partition can be obtained.

(9) By using a joist unit with vertically adjustable support legs, simplistic processing and labor of the joist on site can be simplified, workability is improved, and the construction period is shortened and costs are reduced. it can.

(10) By using a joist unit having a rubber pedestal, or by interposing a cushioning material between the joist of the joist unit and the wall or partition, transmission of floor impact sound by the joist in the conventional wall or partition can be mitigated.

(11) The joist unit can be used not only as a base joist construction method but also as a base material for a partition of a floor precedent method, and the base material of the partition having sufficient strength can be applied.

(12) In the wall leading method, the joist unit is not fixed to the wall or partition with nails, etc., so that the floor can be configured as an independent floor and the renovation work such as changing the partition in the future becomes easy. Can evolve.

[Brief description of the drawings]

1 to 4 show an embodiment of the floor placing method according to the present invention. FIG. 1 is a plan view showing an example of a dimensional standard of a floor panel, FIG. 2 is a perspective view of a unit supporting leg, FIG. 3 is a plan view showing the arrangement of the floor panel and the unit support legs, and FIG. 4 is a perspective view showing the arrangement of the floor on the site. FIG. 5 is a partially cutaway perspective view showing an embodiment of a joist unit used in the floor placing method according to the present invention. 6 to 8 show another embodiment of the floor placing method of the present invention using a floor panel and a joist unit which are not perforated. FIG. 6 shows the joist unit, the floor panel and the unit supporting legs. FIG. 7 is a plan view showing an arrangement form, FIG. 7 is a sectional view taken along the line AA in FIG. 6, and FIG. 8 is an overall perspective view showing one embodiment when the floor placing method shown in FIGS. 6 and 7 is completed. FIG. 9 to 11 show a conventional example of the floor placement method. FIG. 9 is a perspective view of a floor unit, and FIGS. 10 and 11 are perspective views showing floor placement forms of the floor units at a site. is there. FIG. 12 is a partial cross-sectional view showing an example of construction on site of a floor-mounting method using a joist. 1 ... floor panel, 2 ... support leg, 3 ... floor unit, 4
…… Foundation floor (concrete slab), 5… Discarded plywood, 6… Circular hole, 7,7a …… Floor panel, 8 …… Wall or partition, 9 …… Earth joist, 10… Unit support leg, 11…
… Bar-shaped legs, 11a …… Support bolts, 12 …… Vibration-proof pedestals, 13
…… Receiving plate, 14 …… Insertion hole, 15 …… Minus groove, 16 ……
Bundle, 17 ... nail, 18 ... joist unit, 19 ... horizontal joist,
20 nuts 21 support bolts 22 rubber pedestal 23
...... Through holes.

Continuation of the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) E04F 15/00 101 E04F 15/024 601-606

Claims (4)

(57) [Claims] 1. A unit supporting leg group comprising a rod-shaped leg and a receiving plate mounted on the upper end of the rod-shaped leg so as to be vertically adjustable, and a supporting leg which can be vertically adjusted at least at two locations of the horizontal joist. In a dry flooring method in which a group of joists and a group of floor panels are combined, a joist unit is arranged along a wall or a partition, and a buffer material is provided between the horizontal joist of the joist and the wall or the partition. A joist unit adjusted to a predetermined height level by gluing it together is installed along a wall or partition, and a plurality of unit support legs are arranged on the floor surface of the foundation floor at a predetermined pitch according to the shape of the floor panel A plurality of floor panels, with respect to a floor panel facing a wall or a partition, an edge on the wall or the partition side is supported by the joist unit, and a predetermined portion of an edge on another side is supported by the unit. As supported on the one hand,
The floor panel that does not face the wall or the partition is disposed with a predetermined gap such that the upper end surface of the bar-shaped leg is exposed so that a predetermined portion of the edge is supported by the unit support leg, and the unit is supported. A dry flooring method wherein a floor panel is laid while being supported at a predetermined height level by a leg. 2. A receiving plate, wherein the unit supporting leg has a screw hole at a substantially central portion, and a supporting bolt having an upper screw portion screwed into a screw hole of the receiving plate and having a groove at an upper end surface. The lower end of the support bolt is composed of a pedestal rotatably implanted and a rod-shaped leg. After the floor panel is laid, the tip of the rotary tool is inserted into the groove on the upper end surface of the support bolt through a gap between the floor panels. 2. The dry flooring method according to claim 1, wherein the height of the receiving plate of the unit support leg is adjusted by fitting and rotating the support bolt to keep the height level of the laid floor panel constant. 3. The floor panel according to claim 1, wherein the floor panel is a fixed-size rectangular floor panel having a hole on the short side center line, and the height of the receiving plate of the unit support leg is adjusted through the gap between the floor panels and the hole on the center line. 3. The dry flooring method according to 1 or 2. 4. A laterally long joist arranged and used along a wall or a partition, and supporting legs attached to at least two places separated along the laterally long joist so as to be vertically adjustable,
A joist unit, wherein a buffer material having a surface pressure-sensitive adhesive layer is adhered to one side surface of the laterally long joist.