JPH06136919A - Soundproof floor material and soundproof floor structure - Google Patents

Abstract

PURPOSE:To directly fix a soundproof floor without extra sticking onto a joist, and allow a safe construction with good appearance by nailing fixation. CONSTITUTION:Onto the surface of a bed panel 4 capable of being nailed which has a width dimension almost equal to the interval between joists 1 and has a tongue part 2 on one side end part and a groove part 3 on the other side end, a woody surface board 6 having nearly the same plane form as the bed panel 4 and having a cushioning material layer 5 on the reverse surface is stuck. A soundproof floor material is laid between the joists 1 juxtaposed under the floor, and the tongue part 2 and groove part 3 of the bed panels 4 are mutually fitted and connected to the joist 1. In this connecting part, the side end parts of the bed panels 4 are nailed and fixed to the joist 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soundproof flooring material having a wooden surface board and a cushion material layer attached to the back surface thereof, and the soundproofing floor material fixed on joists arranged in parallel. It relates to a soundproof floor structure.

[0002]

2. Description of the Related Art In a conventional soundproof floor, as shown in FIG. 4, a large floor base plate (b) made of plywood is abandoned and fixed on a joist (a) juxtaposed under the floor. ) Was installed by fitting and connecting a plurality of soundproof floor materials (C) to each other. In this case, the soundproof flooring material (c) has a cushioning material layer (d) made of rubber foam, non-woven fabric or the like on the back surface thereof, and one side end portion has a convex solid portion (e) and another A concave solid portion (f) is formed at the side end portion. The convex solid portion (e) and the concave solid portion (f) are fitted and connected to each other via an adhesive (g), and between the cushion material layer (d) and the floor base plate (b). Is also fixed to each other through an adhesive (g).

[0003]

However, in the above-mentioned conventional techniques, it is difficult to carry out the construction because it is necessary to discard and attach a large floor base plate (b) on the joists (a) juxtaposed to each other. In addition, since the soundproof floor material (c) is bonded and fixed on the floor base plate (b) with a large amount of adhesive (g), the surplus adhesive (g) is used as the soundproof floor material (c). There is a problem that the surface of () is contaminated by being squeezed out and that the solvent of the adhesive (G) causes the worker to be poisoned.

The present invention has been invented to solve the above-mentioned problems in the prior art. That is, the problem is to directly fix a large floor base plate on a joist without discarding and fixing it. It is an object of the present invention to provide a soundproof floor material and a soundproof floor structure that can be constructed and are simple in construction, and that can be constructed safely and with good appearance by nailing and fixing.

[0005]

The soundproof flooring material of the present invention has a width dimension approximately equal to the joist spacing and has a convex solid portion at one side end and a concave solid portion at the other side end. The soundproof floor structure of the present invention has the above-described soundproof floor structure, in which a wood surface plate having a cushion material layer on the back surface is adhered to the surface of a base panel that can be beaten. A soundproof floor material is installed between joists arranged side by side under the floor, and the convex solid portion and the concave real portion of the base panel are fitted and connected on the joist, and the side end portion of the base panel is connected to the joist at the connecting portion. The above problem is solved by these constructions.

[0006]

In the soundproof floor material and soundproof floor structure of the present invention,
The soundproof flooring material has a width dimension substantially equal to the joist spacing and has a convex solid portion at one side end and a concave solid portion at the other side end, and is substantially the same as the underlying panel on the surface. Since a wooden surface plate having a flat shape is attached, the soundproof floor material is installed between joists arranged under the floor, and the convex and concave portions of the base panel are fitted on the joists. They can be connected together for construction, and in this case, the sound-proof flooring material can be directly fixed to joists without separately discarding and fixing a large floor base plate, which simplifies construction. Further, since the base panel of the soundproof floor material has a convex solid portion at one side end and a concave solid portion at the other side end, it can be nailed. The side end of the base panel can be securely nailed to the joist at the connection portion with the portion. In this case, no adhesive is used, and the construction is performed safely and with good appearance. In addition, since the wooden surface plate of the soundproof floor material has the cushion material layer on the back surface thereof, the same soundproof performance as the conventional one can be obtained.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The soundproof flooring material and soundproofing floor structure shown in FIGS. 1 and 2 are one embodiment of the present invention and have a width dimension approximately equal to one interval between joists and a convex solid portion 2 at one side end. , A wood surface plate 6 having a cushion material layer 5 on the back surface is attached to the surface of a nailable base panel 4 having a concave solid portion 3 on the other side end portion, the planar shape being substantially the same as the base panel 4. The soundproof floor material is constructed by arranging the soundproof floor material between joists 1 arranged under the floor, and the convex solid portion 2 and the concave solid portion 3 of the base panel 4 are fitted on the joist 1. The mating connection, and the base panel 4 at the connection
Is a soundproof floor structure in which the side end portions of are fixed to the joist 1 by nailing.

The joists 1 are made of wooden lumber and are juxtaposed under the floor at regular intervals (65 cm or less). Base panel 4 having a width dimension (width dimension in the cross-sectional view, which may be the width dimension in the longitudinal direction of the floor material) substantially equal to the interval.
Is made of rectangular wooden plywood that can be nailed. In addition, the convex solid portion 2 is provided on one side end of the base panel 4,
A concave solid portion 3 is formed on the other side end portion, and the convex solid portion 2 and the concave solid portion 3 are fitted to each other on the joist 1 with high accuracy and reliability.

The wood surface plate 6 has a plane rectangular shape which is substantially the same as that of the base panel 4, and is formed by adhering a projecting plate on the surface of the base plywood, and a large number of cut grooves 7 are formed on the back surface thereof. There is.
The cut grooves 7 may be formed in the longitudinal direction of the floor material, in the width direction of the floor material, or may be formed so as to intersect in both directions in a grid pattern or a diagonal grid pattern. A sound insulating sheet 8 made of a soft synthetic resin (a high specific gravity substance such as barium sulfate or lead powder may be mixed) is provided on the back surface of the wooden surface plate 6.
The cushion material layer 5 is provided by adhesively fixing it through the. The cushion material layer 5 is formed of a rubber foam.

Further, a male fruit portion 9 is formed at one side end portion of the wooden surface board 6 and a female fruit portion 10 is formed at the other side end portion thereof. Are loosely fitted to each other. In this case, the male solid portion 9 is projected in a trapezoidal cross section, and the female solid portion 10 is recessed in a triangular projecting shape in cross section (the tip angle a is 30 to 45 degrees), so that both do not form a step. As described above, a small amount of woodworking adhesive 11 is used for adhesive fitting. Further, the male and female parts 9 and 10 are loosely fitted to each other, but the fitting of the convex solid part 2 and the concave solid part 3 between the lower base panel 4 is accurate and reliable. Therefore, the soundproof flooring materials are relatively easily fitted and connected to each other without any trouble.

The soundproof floor material is fixed by driving a nail 12 from the convex solid portion 2 of the base panel 4 into the lower joist 1 and the soundproof floor material adjacent to the convex solid portion 2 is fixed. The concave solid portions 3 of the base panel 4 are fitted and sequentially installed between the joists 1 and fixed while being fitted and connected to each other.

Therefore, in the soundproof floor material and the soundproof floor structure of the embodiment, the soundproof floor material has a width dimension substantially equal to one interval of the joists, and one side end portion has the convex solid portion 2 and the other side portion. A wood surface plate 6 having substantially the same plane shape as that of the base panel 4 is attached to the surface of the base panel 4 having the concave solid portion 3 at the end, and the soundproof flooring materials are arranged in parallel under the floor. Since it is possible to construct by installing between the joists 1 on the joists 1 and fitting and connecting the convex solid portion 2 and the concave solid portion 3 of the base panel 4 on the same joist 1, it is not necessary to separately discard and fix the same. The soundproof floor material can be fixed directly to the joists, and the construction is simple.

Further, the soundproof flooring base panel 4 is a nailable type having a convex solid portion 2 at one side end and a concave solid portion 3 at the other side end. Since it is possible to securely nail the side end of the base panel 4 to the joist 1 at the connecting portion between the convex solid portion 2 and the concave solid portion 3, it is not necessary to use an adhesive when fixing. It is safe and has good appearance.

Further, since the wooden surface plate 6 of the soundproof flooring has the cushioning material layer 5 on the back surface thereof, the same soundproofing performance as the conventional one can be obtained.

The soundproof flooring material and soundproofing floor structure of the present invention may be as in the embodiment shown in FIG. That is, in this embodiment, the wooden surface plate 6
An interlocking portion 13 is formed at each of both ends, and the wooden surface plates 6 are interlockingly joined to each other. Further, in this embodiment, the cushion material layer 5 is made of synthetic resin foam, but in the present invention,
The cushion material layer 5 may be formed of a non-woven fabric or other material having a cushioning property.

[0016]

As described above, in the soundproof flooring material and the soundproofing floor structure of the present invention, the soundproofing floor material has a width dimension substantially equal to the joist spacing, and one side end portion has a convex solid portion and the other has a convex solid portion. The floor panel having a concave solid portion at the side end is pasted with a wood surface plate having substantially the same planar shape as that of the floor panel, and the soundproof flooring is placed between the joists between the floors. Since it can be installed by installing the convex solid part and the concave solid part of the base panel on the joist, the soundproof floor material can be directly attached to the joist without discarding and fixing separately. It can be fixed and easy to install. Further, the base panel of the soundproof floor material is a nailable type having a convex solid portion at one side end and a concave solid portion at the other side end, and the convex solid portion and the concave solid portion of the base panel are capable of being nailed. Since the side edge of the base panel can be securely nailed to the joist at the connection part with, it does not require the use of an adhesive at the time of fixing and can be constructed safely and with good appearance. is there. In addition, since the wooden surface plate of the soundproof floor material has the cushion material layer on the back surface thereof, the same soundproof performance as the conventional one can be obtained.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of a soundproof flooring material and a soundproof floor structure of the present invention.

FIG. 2 is a cross-sectional view of essential parts showing a soundproof flooring material in the embodiment.

FIG. 3 is a cross-sectional view showing another embodiment of the soundproof flooring material and soundproof floor structure of the present invention.

FIG. 4 is a sectional view showing a conventional example of the present invention.

[Explanation of symbols]

 1 joist 2 convex real part 3 concave real part 4 base panel 5 cushion material layer 6 wood surface board

Claims (2)

[Claims] 1. A surface of a nailable base panel having a width dimension substantially equal to the joist spacing and having a convex solid portion at one side end and a concave solid portion at the other side end, on the surface of the nailable base panel. A sound-insulating flooring material having a substantially same planar shape and a wooden surface plate having a cushion material layer on the back surface. 2. The soundproof floor material according to claim 1 is installed between joists arranged under the floor, and the convex and concave real portions of the base panel are fitted and connected on the joists, and the connection is made. A soundproof floor structure in which the side edges of the base panel are nailed and fixed to the same joist at the part.