JP3227330B2 - Installation method of soundproof double floor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soundproof floor using a joist method.
It is related to the method of installation .

[0002]

2. Description of the Related Art Conventionally, in a multi-family house, the sound of falling to the floor or the impact of children's running footsteps can cause unacceptable noise downstairs in some cases. Causing problems.
For this reason, various floor structures that absorb these impact sounds and do not transmit noise have been proposed.

FIG. 11 shows one such soundproof floor structure.
As shown in (a), the floor panel (c) in which the surface finishing material (a) is disposed along with the discarded sticking material (a) and the like
Is supported on the floor surface (f) of a concrete slab or the like by the support leg (d) and the vibration isolating rubber (e), and the vibration caused by the floor impact is supported by the support leg (d) and the vibration isolating rubber (e). There is known a double-floor structure which absorbs sound to ensure soundproof performance.

[0004] In the case of this conventional soundproof floor having a double floor structure, a support leg (d) and a vibration isolating rubber (e) arranged so as to abut on the floor base surface (f) at a plurality of locations. A plurality of floor panel base units each having a predetermined size are laid so as to be adjacent to each other to form a floor surface.

[0005]

However, in the above-mentioned conventional example, the base units of a plurality of adjacent floor panels are individually arranged at the time of arrangement so that the horizontality of each is ensured. The height of the support leg (d) had to be finely adjusted, and such adjustment was not easy and was a very laborious operation.

[0006] In order to eliminate such a troublesome work for securing such a levelness, it is conceivable to use a joist whose floor surface is adopted by a conventional construction method of a detached house. However, the joist method in which a surface finishing material (s) is placed on a joist (s) supported by a large pull (s) as shown in FIG. 12 adopted in the conventional method has a poor soundproofing performance. There was a problem that it could not be used for apartment houses.

SUMMARY OF THE INVENTION An object of the present invention is to provide a method for installing a sound-insulating floor, which is easy to secure the level of the floor surface together with the sound-insulating performance and has good workability. is there.

[0008]

In order to achieve the above object, according to the present invention, a surface finishing material 1 is disposed on an upper part of a joist 2, and a supporting leg 3 and an anti-vibration rubber 4 are provided on a lower part of the floor under the joist 2. 5, a soundproof double floor installation in which a panel member 7 is installed between the joists 2 so that an end thereof is engaged with a concave portion 6 provided on the upper part of the joists 2 so as to be in contact with the surface finishing material 1. How to smell
Above the support bolt 10 provided with the vibration isolating rubber 4 at the bottom.
The support nut 11 is screwed into the part, and penetrates the front and back of the joist 2
By installing the support nut 11 in the through hole 12,
The support leg 3 is set on the thick 2 and then the panel material 7 is pitched.
When a joist 15 is provided along the wall surface 13 as a bonding material.
The joist 2 is placed on the floor base surface 5 so that the end is placed on top.
After installing between the wall surfaces 13 in a floating state, the support nut
Of the screw portion 10a on the upper part of the support bolt 10 with respect to the screw 11
The height of each support leg 3 is adjusted by adjusting the joint depth .

Further, the panel member 7 may be divided into a plurality of pieces along the longitudinal direction of the joist 2. Further, the sound absorbing material 9 may be arranged in a space 8 between the floor finishing material 1 and the floor base surface 5 .

[0010]

Thus, a double floor structure is formed by the arrangement of the support legs 3 and the vibration isolating rubbers 4, the floor surface finishing material 1 is supported by the joists 2, and the recesses provided on the upper portions of the joists 2 are provided. By installing the panel member 7 between the joists 2 so that the end portions are engaged with the surface finishing material 1 by engaging the ends with the joists 2, it is possible to easily secure the levelness of the floor surface with the joists 2 together with high soundproof performance. And the workability can be improved.

The soundproofing performance can also be improved by arranging the sound absorbing material 9 in the space 8 below the surface finishing material 1 and the floor base surface 5. Further, a support nut 11 is screwed onto an upper portion of a support bolt 10 provided with an anti-vibration rubber 4 at a lower portion, and the support nut 11 is installed in a through hole 12 penetrating through the joist 2 on the front and back sides thereof. Height adjustment allowance can be increased.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments. Embodiment 1 FIG. 1 shows an embodiment of the present invention. A surface finishing material 1 is placed on a joist 2, a support leg 3 and an anti-vibration rubber 4 are arranged below the joist 2, Rubber 4 is in contact with floor base surface 5. At the top of the joist 2, a recess 6 is formed by cutting out a corner portion, and a panel member 7 is installed between the adjacent joists 2 so that the end is placed in the recess 6.
The panel member 7 is disposed on the lower surface side of the surface finishing material 1 such that the upper surface thereof is in contact with the lower surface of the surface finishing material 1.
Particle board, plywood, MDF as panel material 7
And the like, a chemical material such as a vinyl chloride plate, and a honeycomb material.

FIG. 2 shows an arrangement state of the panel members 7. The panel members 7 arranged between the adjacent joists 2 are installed between the adjacent joists 2 so as to be continuous along the longitudinal direction of the joists 2. Have been. FIG. 3 shows an installation state of the joist 2,
A support leg 3 is provided at an appropriate position on the lower surface side of the joist 2.
The joist 2 is erected between the opposing wall surfaces 13,
When it is provided on the upper part of the bundle 14 arranged along the wall surface 13, it is installed between the opposing wall surfaces 13 so that the end is placed on the joist 15. As a procedure for installing the joist 2, first, the supporting leg 3 is installed on the joist 2 as shown in FIG. 3A, and then, as shown in FIG. The joists 2 are placed between the opposing wall surfaces 13 while being suspended from the floor base surface 5 by nailing and fixed by nailing, and then the height of the center supporting leg 3 is adjusted using a level 16. Leveling is performed, and as shown in FIG. 3 (c), the height of each support leg 3 is adjusted, and the vibration-proof rubber 4 is grounded to the floor base surface 5 to be accurately installed without being inclined. It is.

As shown in FIG. 4, a support nut 11 is screwed to a screw portion 10a at an upper portion of the support bolt 10, and an anti-vibration rubber 4 is installed at a lower portion of the support bolt 10, as shown in FIG. The height of the support leg 3 can be freely adjusted according to the use condition by adjusting the screwing depth of the screw portion 10a on the upper part of the support bolt 10 with respect to the height.

A through hole 12 is provided in the joist 2 on which the support leg 3 is installed so as to penetrate from the front to the back, and a support nut 11 is inserted into the through hole 12. Support nut 11
A contact piece 11a is provided at a lower portion of the joist 2 so that the contact piece 11a contacts the lower opening edge of the through hole 12 and the support nut 11 is inserted into the through hole 12.
Mounted on 4A, a contact piece 11a provided at the lower end of the support nut 11 is provided.
FIG. 4B shows an abutment on the joist 2 by abutting the lower opening edge of the through hole 12 and inserting the support nut 11 into the through hole 12. As shown in FIG. In this embodiment, the contact piece 11a is screwed to the lower surface of the joist 2. By adopting a structure in which the support nut 11 is inserted and disposed in the through hole 12 provided in the joist 2 in this manner, the amount of movement of the support bolt 10 during unevenness adjustment can be increased by the thickness of the joist 2. As a result, the height adjustment width of the support leg 3 can be increased. Also, by inserting a tool such as a screwdriver from above the through hole 12, the joist 2
The height of the support leg 3 can be adjusted by rotating the support bolt 10 from above, and the level adjustment can be easily performed. That is, as shown in FIG. 9, in a structure in which the upper end of the support nut 11 is in contact with the lower surface of the joist 2 and the receiving piece 11b is attached to the lower surface of the joist 2, the height of the support nut 11 is The height of the support leg 3 can be adjusted only within the range of the dimension.

The soundproofing performance is improved by the vibration isolating rubber 4 and the air layer under the surface finishing material 1, and the support leg 3 and the rubber isolating rubber 4 are installed below the joist 2, so that the supporting Height adjustment when installing the leg 3 becomes easy,
Workability is good. Further, since the panel member 7 is installed between the joists 2, the panel member 7 becomes a pitch matching member of the joists 2 at the time of construction. If the room is large and cannot be constructed with one joist, the panel member 7 serves as a connecting member for the joist 2.

The joist 2 is not particularly limited in its material, and may be any suitable material such as wood, LVL, vinyl chloride resin and the like. Further, the surface finishing material 1 is not limited to one sheet, and the intermediate plywood 1b is laminated on the vibration damping sheet 1a placed on the joist 2 as shown in FIG. The foamed sheet 1c may be arranged on the intermediate plywood 1b, and the decorative facing plywood 1d may be arranged on the foamed sheet 1c. When the surface finishing material 1 is formed of composite plywood in this manner, the soundproofing performance of the surface finishing material 1 alone can be further improved. Further, as shown in FIG. 6, a sound absorbing material 9 may be arranged in a space 8 between the floor finishing material 5 below the surface finishing material 1 and the sound absorbing performance is further improved by the sound absorbing material 9. Can be done.

Referring to the structural example of the first embodiment in FIG.
A double floor without the joist method as Comparative Example 1 shown in FIG. 10A, a joist structure floor as Comparative Example 2 shown in FIG. 10B, and a comparison shown in FIG. 10C. When the joist method as Example 3 is used, the soundproofing performance of the case where the floor height (H) is 150 mm is evaluated in comparison with the double floor without using the panel material. Has almost the same performance as the double floor without using the joist method as the comparative example 1. The joist structure floor as the comparative example 2 and the joist method as the comparative example 3 are used. It can be seen that much better soundproofing performance can be obtained than in the case of a non-double floor. In other words, by adopting the joist method, it is easy to secure the horizontality of the floor construction, the workability can be improved, and the high soundproof performance can be obtained.
In FIG. 10, reference numeral 26 denotes a surface finishing material, reference numeral 20 denotes a laminating plate, reference numeral 21 denotes a particle board, reference numeral 22 denotes a support bolt, reference numeral 23 denotes an anti-vibration rubber, reference numeral 24 denotes a joist, and reference numeral 25 denotes a pull.

[0019]

[Table 1]

Embodiment 2 In this embodiment, the panel member 7 is divided into a plurality of pieces along the longitudinal direction of the joist 2 as shown in FIG. Also in this case, as shown in Table 1, the performance is almost the same as the double floor without using the joist method as Comparative Example 1, and the joist structure floor as Comparative Example 2 and the joist method as Comparative Example 3 are used. Although it is used, it can be seen that much better soundproofing performance is obtained than in the case of a double floor without using a panel material. In other words, by adopting the joist method, it is easy to secure the horizontality of the floor construction, the workability can be improved, and the high soundproof performance can be obtained.

Embodiment 3 As shown in FIG. 7, this embodiment is different from Embodiment 1 described above in that the space 8 between the surface finishing material 1 and the floor ground surface 5 is formed.
The sound-absorbing material 9 is arranged at the center. As the sound absorbing material 9, an appropriate material such as a known material made of glass wool, rock wool, or another material is used.

In this case, as shown in Table 1, the performance is almost the same as that of the double floor without using the joist method as Comparative Example 1, and the joist structure floor as Comparative Example 2 and the performance as Comparative Example 3 Although the joist method is used, it can be seen that much better soundproofing performance can be obtained than in the case of a double floor using no panel material. In other words, by adopting the joist method, it is easy to secure the horizontality of the floor construction, the workability can be improved, and the high soundproof performance can be obtained.

Example 4 This is the same as the surface finishing material 1 in Example 2 described above.
The sound absorbing material 9 is arranged in a space 8 between the lower floor surface 5 and the floor. As the sound absorbing material 9, an appropriate material such as a known material made of glass wool, rock wool, or another material is used.

In this case, as shown in Table 1, the performance is almost the same as that of the double floor without using the joist method as Comparative Example 1, and the joist structure floor as Comparative Example 2 and the double floor as Comparative Example 3 Although the joist method is used, it can be seen that much better soundproofing performance can be obtained than in the case of a double floor using no panel material. In other words, by adopting the joist method, it is easy to secure the horizontality of the floor construction, the workability can be improved, and the high soundproof performance can be obtained.

[0025]

According to the present invention, the surface finishing material is disposed on the upper part of the joist, the support leg and the vibration isolating rubber are installed on the lower part of the joist in contact with the floor base surface, and the end is formed in the recess provided on the upper part of the joist. In the installation method of the soundproof double floor where the panel material is installed between the joists so that the parts are engaged and come into contact with the surface finishing material,
Screw a support nut on the top of the support bolt provided with the
And install support nuts in through holes that penetrate both sides of the joists
The support legs on the joists, and then the panel
When the material is used as a pitch matching material,
Place the end on the floor, and lift the joist from the floor base
After installing between the walls in a floating state,
Adjusting the screw depth of the upper screw part of the support bolt
As the height of each support leg is adjusted with, with high soundproofing performance,
It is possible to provide a soundproof floor with good workability in which the height adjustment at the time of installing the support legs becomes easy and the horizontality of the floor surface work can be easily secured.

The soundproofing performance can also be improved by arranging the adsorbent in the space between the lower surface of the surface finishing material and the floor surface .

[Brief description of the drawings]

FIG. 1 is a sectional view showing one embodiment of the present invention.

FIG. 2 is a plan view showing an arrangement state of panel materials.

FIGS. 3A, 3B, and 3C are cross-sectional views showing installation states of joists.

FIGS. 4 (a) and 4 (b) are cross-sectional views showing each embodiment in a state where a support leg is installed.

FIG. 5 is a sectional view showing another embodiment.

FIG. 6 is a sectional view showing still another embodiment.

FIG. 7 is a sectional view showing still another embodiment.

FIG. 8 is a plan view showing still another embodiment.

FIGS. 9A and 9B are cross-sectional views showing a conventional example in a state where a support leg is installed.

10A is a cross-sectional view illustrating Comparative Example 1 in Table 1, FIG. 10B is a cross-sectional view illustrating Comparative Example 2 in Table 1,
(C) is sectional drawing which shows the comparative example 3 in Table 1. FIG.

FIG. 11 is a sectional view showing a double floor structure in a conventional example.

FIG. 12 is a sectional view showing a joist floor structure in a conventional example.

[Explanation of symbols]

Reference Signs List 1 surface finishing material 2 joist 3 support leg 4 anti-vibration rubber 5 floor base 6 recess 7 panel material 8 space 9 sound absorbing material 10 support bolt 11 support nut 12 through hole 13 wall surface 15 jojo

Continuation of the front page (72) Inventor Kazunori Umeoka 1048, Ojimon Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd. (56) References JP-A-3-5563 (JP, A) B2) Jikgyo Hei 4-14595 (JP, Y2) (58) Field surveyed (Int. Cl. ⁷ , DB name) E04F 15/00-15/18

Claims (3)

(57) [Claims] 1. A surface finish is disposed joists top, the joists lower installed support leg and vibration-proof rubber is in contact with the floor ground engaging ends in the recess provided in the root diameter upper proof to be installed between the joists the panels in contact with the surface finish and
In the installation method of the sound double floor, an anti-vibration rubber
Screw the support nut on the top of the support bolt
By installing a support nut in the through hole that passes through the back
Install the supporting legs on the joist and then pitch the panel
When it is provided along the wall surface,
With the joists floating above the floor foundation,
After installation between walls, support bolts for support nuts
By adjusting the screw depth of the upper screw part of the
Installation method of soundproof double floor characterized by height adjustment . 2. The soundproof double floor according to claim 1, wherein the panel material is divided into a plurality of pieces along the longitudinal direction of the joist.
Installation method . 3. A method for installing a soundproof double floor according to claim 1, wherein a sound absorbing material is arranged in a space between the floor finishing material and the floor base surface.