JP2546207Y2 - Floor support - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a tatami floor, carpet, cushion floor,
The present invention relates to a floor panel support device used for laying a floor panel including a floor finishing material such as a wooden floor with good horizontality.

[0002]

2. Description of the Related Art Conventionally, as a floor panel supporting device of this kind, as shown in FIG. 8, an adjusting bolt (52) is rotatably erected on an earthquake-resistant rubber floor base (51). In addition, a female screw member (53) screwed into the bolt (52) and a square floor plate receiving member (54) are integrally provided. An adhesive sheet (55) is provided on the upper surface of the floor plate receiving member (54).

The work of laying floorboards using the floorboard support device (50) is performed as follows. That is, a plurality of base panels (B) are supported at a predetermined height above the floor slab (A) by using a plurality of floor panel support devices (50). At this time, the base panel (B) by each floor panel support device (50)
Is carried out at the periphery of the panel (B),
A predetermined gap is provided between the base panels (B) so that the top surface of the adjusting bolt (52) of the floor panel support device (50) is exposed to the outside through the gap.
Next, the height of the base panel (B) is adjusted to be horizontal by adjusting the rotation of the adjusting bolts (52) of the support devices (50) with a screwdriver, and then the bolts (52) are adjusted. The bolt (52) and the female screw member (53) are fixed with an adhesive so as not to cause an adjustment error due to unintended rotation. Thereafter, the laminating plywood (C) is placed on the base panel (B), and the floor finishing material (D) such as flooring is further placed on the plywood (C) to complete the laying operation.

Conventionally, the bolt (52) and the female screw member (53) are fixed with an adhesive by applying an adhesive to the screw portion of the bolt (52) in advance and screwing it to the female screw member (53). Or a method in which an adhesive is injected into the top portion of the bolt (52) after the height is adjusted by screwing.

[0005]

However, an adhesive is applied to the bolt (52) in advance, and the adhesive is applied to the female screw member (53).
In the method of screwing in, the adhesive adheres to other parts during work, soiling the surroundings, soiling the hands of workers, or
Problems such as soiling the driver ,
Dispensing work takes time, and work efficiency of laying work
There was also a problem that would worsen.

In the method of injecting the adhesive after the height is adjusted, the adhesive is accumulated only at the top of the bolt (52) as shown in the figure, so that it is difficult to spread inside the threaded portion, and sufficient adhesive strength is obtained. I can't get it. For this reason, after laying the floorboard, the rotation of the bolt (52) caused by the vibration of walking or the like causes the adjustment to be out of order due to the unintended rotation.

[0007] This invention is intended to solve the conventional disadvantages as described above, it can be eliminated adhesive contamination by adhesion of the surrounding adhesive during working Rutotomoni, floorboards
It is an object of the present invention to provide a floor plate supporting device capable of efficiently performing a laying operation and having sufficient adhesive strength between a height adjusting bolt and a female screw member.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a floor support base, a height-adjusting bolt rotatably provided on the base, and a female screw member screwed onto the bolt. In the floor panel support device comprising a floor panel receiving member provided integrally therewith, an expanded portion is provided at a position above the female screw portion of the female screw member, and the expanded portion and a height adjusting bolt are provided. An adhesive reservoir is formed between the bolts, the adhesive reservoir being open at the upper end, and at least one of the outer surface of the screw portion of the bolt and the inner surface of the screw portion of the female screw member is axially continuous, and the upper end communicates with the adhesive reservoir. The present invention provides a floor panel support device characterized in that an adhesive guiding groove is provided.

[0009]

In the above floor plate supporting apparatus, the floor support base is arranged, for example, on the slab surface, and after adjusting the relative positional relationship in the height direction with the female screw member with the adjusting bolt, from above. Then, inject the adhesive into the adhesive reservoir. Then, the adhesive is guided into the guide groove and moves into the screwing portion. Thereby, the adhesion between the height adjusting bolt and the female screw member by the adhesive becomes strong.

[0010]

Next, an embodiment will be described.

In the floor panel supporting apparatus shown in FIGS. 1 and 2, (2) is a floor support base, (3) is a height adjusting bolt, (4) is a female screw member, and (5) is a floor panel receiver. Element,
(6) is a washer.

The floor support base (2) is made of rubber, and is adapted to just fit on the concrete floor slab surface (A) and to function as an earthquake proof. A hole (2a) for inserting the base end of the height adjusting bolt (3) is provided at the center of the top surface, and a washer (6) is provided at the opening edge of the hole (2a). Are located.

The adjusting bolt (3) has a flange (3a) integrally provided on the outer peripheral surface on the base end side of the intermediate portion, and a male screw portion (3b) formed above the flange (3a). Then, a lower portion (3c) than the flange (3a) is inserted into the hole (2a) of the floor contact base (2), and the flange (3a) is rotated via a rotating washer (6). ), The adjusting bolt (3) is rotatably erected on the floor support base (2). In addition, (3d) is a minus-shaped groove formed on the top surface of the adjusting bolt (3) and engaged with the driver. In the adjusting bolt (3), two adhesive guide grooves (9) extending continuously in the axial direction of the bolt (3) are provided on the outer periphery of the male screw portion (3b) over its entire length. .

On the other hand, the female screw member (4) is made of a short cylindrical body, and a female screw part (4a) is formed on the inner peripheral part of the lower cylindrical part, and an adjusting bolt (3) is formed on the female screw part (4a). ) Is screwed into the male screw part (3b). The upper end cylindrical portion connected to the lower end cylindrical portion is expanded in diameter to form an expanded portion (4b) having an inner diameter larger than the adjusting bolt (3). An adhesive reservoir (10) is formed between the guide bolt (3) and the guide groove (9).

The floor plate receiving member (5) is made of a water-resistant plywood having a mounting through hole (14) in the center and an adhesive sheet (11) provided on the upper surface. The upper half is inserted into the mounting hole (14), and the lower surface is supported by the flange (4c) on the outer periphery of the enlarged diameter portion (4b). ) Is formed and integrally attached to the female screw member (4).

The work of laying the floorboard using the floorboard support device (1) having the above structure is performed, for example, as follows. That is,
A plurality of floor board support devices (1) are prepared in which the height position of the floor board receiving member (5) is roughly adjusted. Then, using these floorboard support devices (1), for example, a particle board
According plurality of base panels (B) (e.g., the width and length
450mm or 450mm wide and 900mm long
And a thickness of 20 mm ) are supported at a predetermined height above the floor slab (A). At this time, as shown in FIG. 3, the support of the base panel (B) by each floor panel support device (1) is performed at the peripheral portion of the panel (B), and a predetermined space is provided between the base panels (B). A gap is formed so that the top surface of the adjusting bolt (3) of each floor panel support device (1) is exposed to the outside from the gap. In the supporting state, the base panel (B)
The height of the floor plate receiving member (5) is adjusted so that the base panel (B) is in a horizontal state by rotating the adjusting bolt (3) with a screwdriver from above through the gap therebetween. Then, although not shown, the base panel (B) and the floor plate receiving member (5) are fixed by nailing, and thereafter, as shown in FIG. 1, the adhesive reservoir (10) of each support device (1). Is injected with a predetermined amount of adhesive (12). As a result, the adhesive (12) flows downward along the guide groove (9) and also penetrates into each thread valley. As a result, the adjusting bolt (3) and the female screw member (4) are firmly bonded. After that, the lamination plate (C) is arranged on the base panel (B), and the floor finishing material (D) such as flooring is arranged thereon. Thus, the work of laying the floorboard is completed.

In another embodiment shown in FIG. 4, a flange (4c) of a female screw member (4) for supporting a floor plate receiving member (5) is provided at the lower end of the female screw member (4), and swaged. The part (4d) constitutes the expanding part (4b) at the same time. With such a configuration, the height adjustment range of the floor plate receiving member (5) can be expanded in the slab surface (A) direction.

In the embodiment shown in FIG. 5, in the center of the floor plate receiving member (5), the lower half is formed as a female screw member mounting hole (14a) adapted to the outer peripheral surface of the female screw member (4). A stepped through hole (14) is formed, the portion of which is an expanded hole (14b) larger in diameter than the female screw member mounting hole (14a).
On the other hand, a female screw member (4) has a flange (4
c) and the length is female screw member mounting hole (14a
), And a screw is formed over the entire inner circumference. The female screw member (4) is fitted and disposed in the mounting hole (14a) with the lower surface of the floor plate receiving member (5) supported by the flange (4c). By screwing (3), an adhesive reservoir (10) is provided between the opening (14b) of the floor plate receiving member (5) and the bolt (3).

In the embodiment shown in FIG. 6, the female screw member (4) has a through hole (14) in the center of the floor plate receiving member (5).
The upper end of the floor plate receiving member (5) is inserted and arranged in
The projecting portion (4e) is expanded upward in the shape of an inverted cone, and the swaging portion (4d) for attachment to the floor plate receiving member (5) and the expanding portion (4b) are used. Is formed. With this configuration, the projecting portion (4e) can be used for positioning the base panel (B), and the base panel (B) can be maintained at regular intervals and arranged neatly and efficiently.

In the embodiment shown in FIG. 7, the base panel (B) in the above embodiment is replaced with a floor plate receiving member (13).
(For example, the width and length are both 900 mm or the width is 450
mm, length 900 mm, etc., and thickness 20 mm, etc. ), a plurality of female screw members (4) are integrally attached to the floor plate receiving member (13), and an adjusting bolt is attached to each female screw member (4). (3) is screwed.

The guide groove (9) in each of the above embodiments.
Are formed on the adjustment bolt (3) side for convenience in processing, but are formed on the female screw member (4) side or both the adjustment bolt (3) and the female screw member (4). You may do so.

Example 1 An adjusting bolt (3) having a diameter of 9.0 mm has two guiding grooves (9) each having a width and a depth of 1.5 mm and has an adhesive reservoir (10). Using the floor panel support device (1) of the present invention shown in FIG. 1, 1.5 g of a one-part polyurethane adhesive (viscosity: 200 poise (20 ° C.)) was injected into the adhesive reservoir (10), and the temperature was lowered to 20 ° C. , And left for 72 hours, and the torque was measured to be 100 to 150 kg · cm. This torque was appropriate, exceeding the torque of about 30 kg · cm required for this type of floor panel support device.

COMPARATIVE EXAMPLE 1 A one-part polyurethane adhesive was similarly attached to an adjusting bolt (52) using a conventional floor plate support device (50) shown in FIG. 8 in which neither a guide groove nor an adhesive reservoir was provided. After applying an agent (viscosity 200 poise (20 ° C.)), it was screwed into a female screw member (53) of a predetermined length, left at 20 ° C. for 72 hours, and measured for torque.
It was Kg · cm. Although the torque was enough like this,
During the operation, considerable care was required to avoid soiling with the adhesive.

COMPARATIVE EXAMPLE 2 Using the same floor plate supporting device (50) as in Comparative Example 1, after adjusting the height, the one-part polyurethane adhesive (viscosity 200 poise (20 ° C.) )) Was injected and allowed to stand at 20 ° C. for 72 hours, and the torque was measured. The result was 8 to 12 kg · cm, which was inappropriate below the reference value of 30 kg · cm.

[0025]

As described above, according to the floor panel support device of the present invention, when the adhesive is poured into the adhesive reservoir after the height is adjusted by the bolt, the adhesive is guided into the guide groove and screwed. Then, the bolt and the female screw member are firmly bonded to each other. Therefore, it is possible to effectively prevent height deviation due to unintended rotation of the bolt after the floorboard is laid.

In addition, when a predetermined amount of the adhesive is injected into the adhesive reservoir, the adhesive automatically enters into the guide groove due to its own weight or the like. Can be achieved.

Further, since it is not necessary to apply an adhesive to the bolt before screwing to the female screw member, it is possible to eliminate adhesive stains due to adhesion of the adhesive to the periphery during the operation. Can be done , like this
Eliminates the cumbersome and cumbersome task of applying adhesive
To perform floor laying work efficiently
Can be .

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a floor panel support device according to one embodiment.

FIG. 2 is an exploded perspective view of the floor panel support device.

FIG. 3 is a perspective view showing a use state of the floor panel support device.

FIG. 4 is a cross-sectional view of a floor panel support device according to another embodiment.

FIG. 5 is an exploded perspective view of a floor panel support device according to still another embodiment.

FIG. 6 is a perspective view showing a use state of a floor panel support device according to still another embodiment.

7A and 7B show a modified example, wherein FIG. 7A is a cross-sectional view of a floor panel support device, and FIG. 7B is a perspective view of the same device.

FIG. 8 is a cross-sectional view of a conventional floor panel support device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Floor board support device 2 ... Floor contact base 3 ... Height adjustment bolt 4 ... Female screw member 4b ... Expanding part 5 ... Floor plate receiving member 9 ... Adhesive guide groove 10 ... Adhesive pool

Claims (1)

(57) [Scope of request for utility model registration] 1. A floor contact base, a height adjusting bolt rotatably provided on the base, and a floor plate receiver provided integrally with the bolt via a female screw member screwed into the bolt. In the floor panel support device comprising a member, an expanding portion is provided at a position above the female screw portion of the female screw member, and an adhesive reservoir for opening an upper end is formed between the expanding portion and the height adjusting bolt. And at least one of the outer surface of the threaded portion of the bolt and the inner surface of the threaded portion of the female screw member is provided with an adhesive guiding groove which is continuous in the axial direction and whose upper end communicates with the adhesive reservoir. Characterized floorboard support device.