JPH09242211A - Sound insulating panel and sound insulating door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent resonance vibration for improving sound insulating property for a sound insulating panel by disposing an intermediate plate slantingly between face bars. SOLUTION: A wooden frame body 2 is provided on both sides with plywood made face bars 3, 31 between which is disposed a slant intermediate plate 4. One vertical frame 21 of two parallel vertical frames 21, 21 is formed on the inside of the end with a notch 23 and the other vertical frame 21 is formed on the inside of the end in the slant directional position with a notch 24. By putting both ends of the intermediate plate 4 in these notches 23, 24, the intermediate plate 4 is disposed slantingly between the face bars 3, 31. Also, a reinforcing crosspiece 5 mounted to the face bar 3 and a reinforcing crosspiece 6 mounted to the face bar 31 are disposed to be shifted zigzag from each other. Thus, a specified frequency of sound wave giving the resonance vibration to the face bar 3 or 31 and the intermediate plate is dispersed, while sounds are shielded by total three members of two face bars 3, 31 and intermediate plate 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sound insulation panel and a sound insulation door using the sound insulation panel.

[0002]

2. Description of the Related Art A conventional sound insulation panel is disclosed in Japanese Unexamined Patent Publication No.
What is described in 97399 is known. The sound insulation panel described in the above publication is one in which one of two plate-like bodies is inclined and arranged non-parallel, and a sound absorbing inner layer panel is attached to the outside of the inclined plate-like body, and the inclined plate-like body is attached. A triangular air layer space is formed between the sound absorbing inner layer panel and the sound absorbing inner layer panel. The sound insulation panel and the sound absorbing inner layer panel are assembled to a plurality of reinforcing bars, and bridged through the reinforcing bars to maintain strength.

[0003]

However, in the above-mentioned conventional sound insulation panel, since the reinforcing bar is in contact with the two sound insulating plate-like members, the sound is transmitted from the front side to the back side through the reinforcing bar, and the sound insulating property is obtained. There is a problem that is damaged.

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 provide a sound insulation panel excellent in sound insulation and a sound insulation door using the sound insulation panel. That is.

[0005]

The present invention has been made in order to achieve the above-mentioned object, and a sound insulation panel of the present invention comprises two substantially parallel vertical frames and both ends of the vertical frames. A face member is provided on both sides of a frame body including the passed horizontal frame, and an intermediate plate that is not parallel to the face member is arranged between the both face members. Then, the frequency of a specific sound wave that causes the face material and the intermediate plate to resonate and vibrate is dispersed, and sound is shielded by the two face materials and the intermediate plate, that is, a total of three, so that sound insulation is improved.

In the above sound insulation panel, reinforcing bars are attached to the insides of both side members, and the reinforcing bars attached to one surface member and the reinforcing bars attached to the other surface member are arranged in a staggered manner. It is recommended to use a sound insulation panel.

Then, since the reinforcing bar is not bridged between the face members, it is possible to solve the problem that sound waves are transmitted from the front side to the back side through the reinforcing bar and the sound insulation is impaired, and the sound insulation panel is also provided. The strength and rigidity of can be increased.

In the sound insulation panel, it is preferable that the surface density of the intermediate plate is higher than the surface density of the face material. Then, the intermediate plate is well insulated, and the sound insulation of the sound insulation panel is further improved.

It is preferable to form the sound insulation door by any one of the sound insulation panels in which the side surfaces of the vertical frame are flush with the end surfaces of the double-sided material. Then, a sound insulation door having excellent sound insulation can be obtained.

The sound-insulating door is provided on both sides of a frame body composed of two substantially parallel vertical frames and horizontal frames spanning both ends of the vertical frame.
It may be formed by a sound insulation panel provided with a face material that is not parallel to the other. Then, the frequency of a specific sound wave that causes the double-sided material to resonate and vibrate is dispersed, so that sound insulation is improved.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show an embodiment of the present invention, FIG. 1 is a sectional view of a sound insulation panel, and FIG. 2 is a plan view of the sound insulation panel of FIG. 3 and 4 show another embodiment of the present invention. FIG. 3 is a sectional view of a sound insulation door, and FIG.
FIG. 3 is a plan view of the sound insulation door of FIG. 5 and 6 show another embodiment of the present invention, FIG. 5 is a sectional view of the sound insulation door, and FIG. 6 is a plan view of the sound insulation door of FIG. 1 to 6, 1
Is a sound insulation panel, 1A and 1B are sound insulation doors, 2, 2A and 2B
Is a frame body, 3, 31, 3A, 31A, 3B and 31B are face materials, and 4 is an intermediate plate.

First, an embodiment of the present invention will be described with reference to FIGS. 1 and 2. The sound insulation panel 1 according to the present invention has plywood face materials 3 and 31 provided on both sides of a wooden frame body 2, and an inclined intermediate plate 4 is disposed between the face materials 3 and 31. is there. The frame body 2 and the face members 3 and 31 are flush with each other on the four end faces of the sound insulation panel 1.

The frame body 2 includes two parallel vertical frames 21 and 21 and horizontal frames 22 and 2 spanning both ends of the vertical frames 21 and 21.
2 and the notch 2 is formed inside the end of one vertical frame 21.
3 is formed, and a notch 24 is formed at an oblique position of the notch 23 inside the end of the other vertical frame 21. By fitting both sides of the intermediate plate 4 into the notches 23 and 24, the intermediate plate 4 is arranged non-parallel to the face members 3 and 31. Both ends of the intermediate plate 4 are fixed to the notches 23 and 24 with an adhesive.

The intermediate plate 4 is made of a cement plate mixed with wood chips, and has a higher surface density than the plywood face materials 3 and 31. On the inner surface of the face materials 3 and 31,
Reinforcing bars 5 and 6 made of wood are attached to the surface material 3 respectively.
The reinforcing bars 5 attached to the and the reinforcing bars 6 attached to the face member 31 are arranged in a staggered manner.

As a usage example of the sound insulation panel 1, it is used by being attached to an opening provided in a room of a house as a door which can be opened and closed by a hinge.

In the sound insulation panel 1 of this embodiment, since the inclined intermediate plate 4 is arranged between the face material 3 and the face material 31, the face material 3 or 31 and the intermediate plate 4 are caused to resonate and vibrate. Since the frequency of a specific sound wave is dispersed and the sound is shielded by a total of three face plates 3 and 31 and the intermediate plate 4, the sound insulation is improved.

The sound insulation panel 1 includes double-sided material 3,
Reinforcing bars 5 and 6 are attached to the inside of 31, and the reinforcing bars 5 attached to the one surface member 3 and the reinforcing bars 6 attached to the other surface member 31 are arranged in a staggered manner. Since the reinforcing bar is not bridged between 3 and the face material 31,
It is possible to solve the problem that the sound insulation is impaired by being transmitted from the front side to the back side through the reinforcing bars, and at the same time, the strength and rigidity of the sound insulation panel 1 can be increased.

Further, in the sound insulation panel 1, since the surface density of the intermediate plate 4 is made higher than the surface density of the face materials 3 and 31, the sound insulation of the sound insulation panel 1 is further improved by the sound insulation of the intermediate plate 4. At the same time, the resonance frequency can be moved to the low frequency side to obtain a band that does not hinder practical use.

As a result of the above, when this sound insulation panel 1 is used as a door, a sound insulation door having excellent sound insulation can be obtained.

Next, another embodiment of the present invention will be described with reference to FIGS.
It will be described based on. A sound insulation door 1A according to the present invention is one in which face plates 3A and 31A made of plywood are provided on both sides of a wooden frame 2A. The frame body 2A is composed of two parallel vertical frames 2
1A and 21A, and horizontal frames 22A and 22A laid across both sides of the vertical frames 21A and 21A. Vertical frame 2
Reference numeral 1A is an elongated body having a substantially trapezoidal cross section, and the horizontal frame 22A is a rectangular body having a quadrangular cross section, and the thickness of the central portion in the length direction is smaller than that of the end portion.

Face plates 3A and 31A are provided on both sides of the frame 2A.
When the and are attached, the face materials 3A and 31A are made non-parallel to each other, and the voids on both end sides are larger than the central portion. Then, the frequency of a specific sound wave that causes the double-sided materials 3A and 31A to resonate and vibrate is dispersed in a gap that is larger on both end sides than the central portion, so that the sound insulation of the sound insulation door 1A is improved.

Next, another embodiment of the present invention will be described with reference to FIGS.
It will be described based on. A sound insulation door 1B according to the present invention is one in which face plates 3B and 31B made of plywood are provided on both sides of a wooden frame 2B. The frame 2B is composed of two parallel vertical frames 2
1B and 21b, and horizontal frames 22B and 22B bridged on both sides of the vertical frames 21B and 21b.

One vertical frame 21B has a substantially trapezoidal cross section, and the other vertical frame 21b has a triangular cross section, both of which are elongated bodies. The horizontal frame 22B has a rectangular cross section, and the vertical frame 21
The thickness decreases from the side in contact with B toward the side in contact with the vertical frame 21b, and the face materials 3B and 31B are provided on both sides of the frame 2B.
When and are attached, the face materials 3B and 31B are made non-parallel to each other to form a substantially triangular void. Then, double-sided material 3
Since the frequencies of the specific sound waves that cause B and 31B to resonate are dispersed by the substantially triangular voids, the sound insulation of the sound insulation door 1B is improved.

[0024]

According to the sound insulation panel of the present invention, since the intermediate plate which is not parallel to the face material is disposed between the face materials, resonance vibration is prevented and at the same time. Two
Sound insulation is improved because a total of three sheets, a sheet material and an intermediate plate, are used for sound insulation.

According to another aspect of the sound insulation panel of the present invention, the reinforcing bars attached to one of the face members and the reinforcing bars attached to the other face member are arranged in a staggered manner, and the reinforcing members are arranged between the face members. Since the reinforcing bar is not bridged over, the problem of being transmitted from the front side to the back side through the reinforcing bar and impairing the sound insulation property can be solved, and the strength and rigidity of the sound insulation panel can be increased.

In the sound-insulating panel according to the third aspect, since the surface density of the intermediate plate is larger than the surface density of the face material, the intermediate plate is well sound-insulated, and the sound-insulating property of the sound-insulating panel is further improved.

Since the sound insulation door according to claim 4 is formed by any one of the sound insulation panels described above, it can be a door excellent in sound insulation.

In the sound insulation door according to the fifth aspect of the present invention, since the face material whose one side is not parallel to the other side is provided on both sides of the frame body, the resonance vibration of the both side materials is prevented, and the sound insulation is performed. Since the intermediate plate is not used at the same time, the number of members constituting the door is reduced and the door can be manufactured at low cost. Also, because the door design can be provided with an unprecedented appearance, the appearance is interesting.

[0029]

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a sound insulation panel according to an embodiment of the present invention.

FIG. 2 is a plan view of the sound insulation panel of FIG.

FIG. 3 is a sectional view of a sound insulation door according to another embodiment of the present invention.

FIG. 4 is a plan view of the sound insulation door of FIG.

FIG. 5 is a sectional view of a sound insulation door according to another embodiment of the present invention.

6 is a plan view of the sound insulation door of FIG.

[Explanation of symbols]

 1 Sound insulation panel 1A, 1B Sound insulation door 2, 2A, 2B Frame body 3, 31, 3A, 31A, 3B, 31B Face material 4 Intermediate plate

Claims (5)

[Claims] 1. A face material is provided on both sides of a frame body composed of two substantially parallel vertical frames and horizontal frames spanning both ends of the vertical frame. A sound insulation panel characterized by having parallel intermediate plates arranged. 2. A reinforcing bar is attached to the inside of the double-sided material,
2. The sound insulation panel according to claim 1, wherein the reinforcing bars attached to the one surface member and the reinforcing bars attached to the other surface member are arranged in a staggered manner. 3. The sound insulation panel according to claim 1, wherein the surface density of the intermediate plate is higher than the surface density of the face material. 4. A sound insulation door formed by the sound insulation panel according to claim 1, wherein the side surface of the vertical frame and the end surfaces of the double-sided material are flush with each other. 5. A surface member, one of which is non-parallel to the other, is provided on both sides of a frame body composed of two substantially parallel vertical frames and horizontal frames spanning both ends of the vertical frame. Sound insulation door formed by the sound insulation panel.