JPH0430307Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Application of the Invention) The present invention relates to a soundproof door, and relates to a lightweight door structure that has soundproofing and noise insulation effects when installed in a house.

(Background of the invention) Conventionally, various soundproof doors have been provided, but there are demands for this type of soundproof door not only to be soundproof and insulated, but also to be lightweight.

However, as the soundproofing structure becomes more adequate, not only does it become inevitable that the door becomes heavier;
This also led to an increase in costs.

Another disadvantage is that even if the structure is made simple, a sufficient soundproofing effect cannot be obtained.

(Purpose of the invention) The present invention proposes a soundproof door that not only has a simple structure but sufficiently exhibits soundproofing and soundproofing effects, and also satisfies the requirements for weight reduction.

(Summary of the invention) This invention uses decorative wooden plywood on the front side and synthetic resin decorative board on the back side, or laminates the same decorative wooden plywood or the same synthetic resin decorative board on both the front and back sides. Inside the main body, a core material made of a flame retardant material with a lead sheet pasted on the back side of the core material is placed in the center of the front and back plates, and synthetic rubber is interposed at both the top and bottom ends of the core material. The upper and lower crosspieces are placed between the upper and lower crosspieces, and the appropriate number of small crosspieces are sandwiched between the front and back plates. The gist of the booth is to fill it with glass wool and make it a soundproof door with asbestos paper pasted on the entire inner surface of the front and back panels.

(Embodiment of the invention) Hereinafter, an embodiment of the invention will be described in detail according to the drawings. Fig. 1 is a longitudinal cross-sectional view of a soundproof door according to the invention, in which a decorative board is stretched on both the front and back sides. ing.

The decorative board may be in the conventional manner in which the periphery is bounded by a decorative edge or the like, but it may also be a decorative board made of wooden decorative plywood 10 such as veneer on the front side and a synthetic decorative board such as polyester decorative board on the back side. Resin decorative board 1
may be used appropriately.

In the present invention, it goes without saying that the same wooden decorative plywood 10 or the same synthetic resin decorative board 1 may be stretched on both the front and back sides.

Any material can be used for either the front or back side of the door, but wooden decorative plywood 10 is used for the front side, which is the entrance side.
It is effective to use a decorative panel 1 made of synthetic resin on the back side, which is the indoor side, because it can prevent deformation stress exerted on the entire door due to temperature and humidity differences.

In addition, the main body is constructed by placing veneer on both the top and bottom, left and right sides of the door.

A flat plate core material 3 made of a flame retardant material is disposed inside the main body constructed in this manner.

The core material 3 is constructed to have an appropriate length and width along the front and back plates, and may be made of calcium silicate, such as gypsum board.

This has a sound absorption effect and excellent heat resistance, so even if there is an extreme temperature difference between the front and back of the door, the core material 3 made of flame retardant material prevents the entire door from warping. be.

A lead sheet 5 is attached to the back side of the core material 3, and noise that cannot be completely extinguished on the front side is insulated by the lead sheet 5 without invading the back side.

The core material 3 is fixed by an upper crosspiece 6 and a lower crosspiece 7 arranged at the upper and lower ends of the main body.

Since the core material 3 is fixed with oil-resistant and aging-resistant synthetic rubber 4 interposed between the upper and lower parts, it is possible to maintain a stable state, and the upper crosspiece 6,
It also has the effect of blocking sound conducted to the lower crosspiece 7.

An appropriate number of small bars 8 are arranged between the upper and lower bars 6 and 7 held between the front and back plates.
It goes without saying that the small crosspieces 8 are also sandwiched between the front and back plates, and are arranged so that each of them can easily disperse and absorb stress so as not to cause distortion of the entire door.

Moreover, the reason why these are kept at intervals so that they are not adjacent to each other is to prevent the small crosspieces 8 themselves from transmitting sound.

Therefore, a space is formed inside the door body, and this space is filled with glass wool 9 that exhibits more effective soundproofing and sound insulation effects.

Needless to say, this glass wool 9 also has a heat insulating effect.

In the present invention, asbestos paper 2 is attached to the entire inner surface of the front and back plates to enhance the heat insulation effect.

Therefore, the entire inside of the soundproof door is constructed like an integrated heat insulating body, which is effective.

In addition, veneer is placed on both the top and bottom, left and right sides of the door to strengthen the main body and further enhance the soundproofing effect.

(Effects of the invention) As described above, according to the invention, the door has a simple structure but has high soundproofing, heat insulation, and noise insulation effects, and is also lightweight, which eliminates disadvantages in installation and use. We are now able to provide soundproof doors that do not require soundproofing.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional view showing an embodiment of a soundproof door according to the present invention. In the figure, 1... synthetic resin decorative board, 2... asbestos paper, 3... core material, 4... synthetic rubber, 5... lead sheet, 6... upper rail, 7... lower rail, 8... ...small pier,
9...Glass wool, 10...Wooden decorative plywood, 1
1...Single board.

Claims (1)

[Scope of claim for utility model registration] (1) Decorative wooden plywood on the front side and decorative synthetic resin board on the back side, or the same decorative wooden plywood or the same decorative synthetic resin board on both the front and back sides. Inside the main body, a core material made of flame retardant material with a lead sheet pasted on the back side of the core material is placed in the center of the front and back plates, and synthetic rubber is placed on both the top and bottom ends of the core material. Upper and lower bars are interposed and sandwiched between the front and back plates, and an appropriate number of small bars are arranged between the upper and lower bars, both of which are sandwiched by the front and back plates. A soundproof door characterized in that the space between the small crosspieces is filled with glass wool, and asbestos paper is pasted on the entire inner surface of the front and back panels. (2) The soundproof door according to claim 1 of the utility model registration claim, characterized in that a veneer is stretched on both the upper and lower surfaces and both the left and right sides of the main body.