JP2006037630A - Sound insulation structure of opening - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sound insulation structure of an opening capable of improving the comfortableness in sound environment by maintaining silentness since spit sound is not emitted even if a packing is held and compressed between a door body and an opening frame. <P>SOLUTION: This sound insulation structure of the opening comprises an opening frame disposed around the edges of the opening, the door body rotatably installed on the suspending vertical frame of the opening frame through hinges and opening and closing the opening part by the rotating operation, and a packing held between the door body at the closed position and the opening frame and closing a clearance between the door body and the opening frame by compression. The packing is formed in a cylindrical body with elasticity. Plugs preventing an air from being spitted out of the cylindrical body in the compression are fitted to both ends of the cylindrical body. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a soundproof structure for an opening that maintains quietness without generating a sound when a door body attached to the opening is closed.

  In recent years, the required level for indoor sound environment has been improved from the viewpoint of privacy protection, etc., and by using a sound insulating material for the partition wall, the transmission loss value of the wall is increased, and the spatial sound pressure level difference D value is improved to improve the sound insulating performance. There is a strong tendency to form an excellent indoor space.

  However, when a door is installed in an opening such as a doorway of a living room, a small gap is formed between the door body and the inner edge of the opening in order to smoothly open and close the door body, thus closing the door body. Sometimes, a space between adjacent spaces on both sides of the opening, such as a living room and a corridor or a living room and a living room, communicates through the gap, resulting in sound leakage. Therefore, in a listening room, a piano room, a bedroom, a toilet room, etc. that particularly require sound insulation performance, a soundproofing measure for preventing such sound leakage at the opening has been proposed.

  For example, in the opening a shown in FIG. 7 (A), the door stoppers d1 and d2 formed in the vertical frame h1 on the suspension side and the vertical frame h2 on the door end side have elasticity and form a cylindrical packing. e1 and e2 are attached, and as shown in FIG. 7B, packing e1 and e2 are sandwiched between front b1 of door body b in a closed state and door contact d1 and d2, and packing b1 and front b1 of door main body b are sealed. e1 and e2 are brought into close contact with each other to close a gap g between the door body b and the vertical frames h1 and h2 (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 7-180445

  However, immediately before the door body b that rotates toward the closed position reaches the closed position, the elastic packing e is compressed to reduce its volume, so that the air pressure of the cylindrical packing e increases rapidly. Then, it moves toward both ends and discharges vigorously from the end openings. At this time, the cylindrical packing e forms a kind of vertical flute, and a large pew discharge sound is generated at the opening. Because this sound is unfamiliar in everyday living environments and is a high-pitched tone, it gives a very touching feeling, especially in quiet nights, and it affects the comfort by echoing in the house. There is.

  The present invention provides a soundproof structure for an opening that can maintain silence and improve comfort in a sound environment without generating a discharge sound even when the packing is compressed between the door body and the opening frame. Is an issue.

  In order to achieve the above-mentioned object, the invention according to claim 1 is attached to an opening frame arranged at the periphery of the opening, and is pivotally attached to a vertical frame from which the opening frame is suspended, using a pivotal support. And a door body that opens and closes the opening by the rotation operation, and a packing that is sandwiched between the door body at the closed position and the opening frame and closes the gap between the door body and the opening frame by being compressed. In the soundproof structure of the opening, the packing is formed of a cylindrical body having elasticity, and sealing plugs that prevent air discharge from the cylindrical body during the compression are fitted to both ends of the cylindrical body. According to a second aspect of the present invention, the airtight plug is formed of an elastic body, and is press-fitted into an end portion of the cylindrical body and is fixed to the inner peripheral surface of the cylindrical body using an adhesive. To do.

  According to a third aspect of the present invention, there is provided an opening frame disposed on a peripheral edge of the opening, and is pivotally attached to a vertical frame from which the opening frame is suspended using a pivotal support, In a door body that opens and closes an opening, and a soundproof structure of an opening having a packing that closes a gap between the door body and the opening frame by being sandwiched and compressed between the door body in the closed position and the opening frame The packing is formed of a cylindrical body having elasticity, and has a ventilation means for discharging air from the cylindrical body during the compression.

  According to a fourth aspect of the present invention, the vent means comprises a plurality of vent holes provided in a longitudinal intermediate portion of the cylindrical body. In the fifth aspect of the invention, the vent hole has a diameter of 0. 0. It is 5 to 3 mm, and is formed at intervals of 30 to 1000 mm with respect to the longitudinal direction of the cylindrical body.

  In the invention according to claim 1, since the sealing plugs that prevent air discharge from the cylindrical body during compression are fitted to both ends of the cylindrical body, no air is discharged from the cylindrical body even when the packing is compressed. Therefore, an unpleasant discharge sound is not generated during the compression, a quiet sound environment can be maintained, and comfort can be maintained even at night. Moreover, since the cylindrical body sealed with the hermetic plug forms a kind of air spring, soft elasticity by air can be obtained, and as a result, it can be in close contact with the door body and effectively prevent sound leakage.

  According to the second aspect of the present invention, since the sealing plug can be deformed integrally with the cylindrical body, sound leakage can be prevented, and the reliability of the soundproof structure is enhanced without the adhered sealing plug being detached.

  Further, since the invention according to claim 3 is provided with a ventilation means for discharging air from the cylindrical body during compression, the air pressure in the cylindrical body does not increase even when compressed, and thus an audible discharge sound may be generated. Further, in the invention according to claim 4, the exhaust sound can be reliably exhausted by the air hole, so that the discharge noise is prevented. Furthermore, by adopting the configuration according to claim 5, the exhaust capacity is necessary and sufficient, and it is quiet under any use conditions. The environment can be maintained.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, the soundproof structure 1 of the opening includes an opening frame 3 disposed on the periphery of the opening 6, a door body 4 that is attached using a pivotal support 5 and opens and closes the opening 6, Packing 2 is provided.

  As shown in FIGS. 1 and 2, the opening 6 is a rectangular doorway formed in the wall 11, and is provided, for example, between living rooms or between a living room and a hallway. The wall 11 includes a partition wall and an outer wall. In this embodiment, the case of the partition wall is exemplified. Further, as shown in FIG. 2, the wall 11 of this embodiment has a rectangular outer peripheral frame 12a and both sides of a panel frame 12 serving as a vertical or horizontal reinforcing frame spanned inside the outer peripheral frame 12a. The wall panel 14 with the panel face members 13 and 13 whose outer edge portions are aligned with the outer peripheral portion of the outer peripheral frame 12a is fixed to a building structure (not shown) such as a base or a beam using a fixing bracket. This is illustrated as an example.

  In this embodiment, as shown in FIG. 1, the opening frame 3 has a vertical frame 3A as a suspension source, a vertical frame 3B as a door end, and an upper frame 3C, and has a gate shape. 6 around the periphery.

  As shown in FIGS. 1 and 2, the vertical frame 3 </ b> A of the suspension source and the vertical frame 3 </ b> B of the door end are formed of a rod-shaped material having a rectangular cross section, and chamfering 3 m and 3 m are provided on both sides of the surface facing the opening. It is formed. Both vertical frames 3A and 3B are fixed to the end of the wall 11 using adhesives, nails, screws or the like, and the upper frame 3C is similar to the vertical frames 3A and 3B as shown in FIG. It has a cross-sectional shape, spans between the upper ends of the vertical frames 3A and 3B, and is fixed to the wall 11 above the opening 6.

  The vertical frames 3A and 3B and the upper frame 3C of the suspension base and the door end are made of wood such as pine, firewood, cedar, etc., or their laminated materials, or plywood, MDF (medium density fiberboard), particle board, etc. It is formed using a decorative material or the like in which a resin decorative sheet using an olefin resin such as polyethylene, polypropylene, ethylene vinyl acetate resin (EVA), melamine resin, polyester resin, or the like is attached to a base material.

  Moreover, the opening frame 3 can also be comprised by the edge part of the said wall 11 which faces the opening part 6, without attaching a rod-shaped opening frame member as mentioned above, and a frame material is used for the edge part of the said wall 11. FIG. It can also be formed by coating.

  The door body 4 has a rectangular plate shape, and in this embodiment, the door is exemplified as shown in FIG. 1, but a flash door can also be used. Also, hinges, pivot hinges, floor hinges, etc. are used, and in this embodiment, the door body 4 is used as a hanging rod 4A by using a pivotal support 5 comprising a pair of flat hinges 5a arranged vertically. Is rotatably attached to the vertical frame 3A from which the opening frame 3 is suspended. By the turning operation, the door body 4 is supported at the closed position in the opening 6 and the suspension base side by the pivotal support 5 and the door end side is one side of the opening 6 (hereinafter, in the opening 6, The door 6 is reciprocated between the opening position rotated to the door rotation side and the opposite side to the opposite door rotation side to open and close the opening 6. ing.

  Further, the vertical and horizontal dimensions of the door body 4 are formed to be slightly smaller than the inner dimensions of the opening 6 in order to facilitate the opening and closing operation. As a result, the door body 4 between the door body 4 and the opening frame 3 in the closed position is shown in FIG. 3, for example, a gap g of about 3 to 10 mm is generated.

  The door body 4 is made of a resin decorative sheet such as an olefin resin, a melamine resin, or a polyester resin on the surface of wood such as cedar, straw, or lauan, or an engineered wood such as MDF or LVL. A melamine / urea co-condensation adhesive, phenolic adhesive, and veneer which is obtained by mechanically slicing raw wood such as oak, cherry, teak, zelkova, tochi, sen and hippo into a thickness of about 0.2 to 0.6 mm It is formed using a decorative board formed by coating with an amino adhesive, a urea adhesive, or the like. Moreover, it can also shape | mold using aluminum, polyethylene, a polystyrene, an ABS resin, a melamine resin, etc.

  As shown in FIG. 5, the packing 2 is formed of a cylindrical body 2T, and the cylindrical body 2T has elasticity. Moreover, the cylindrical body 2T of this embodiment has leg pieces 15 extending outward from the outer peripheral surface thereof, and the packing member 2A is formed by the packing 2 and the leg pieces 15. Further, in the packing member 2A of this embodiment, three inclined pieces 15a inclined to the packing 2 side are provided at equal intervals on both side surfaces of the leg pieces 15, and the outer surface of the packing 2 is closer to the leg pieces 15 than each other. A pair of wing pieces 21, 21 extending substantially perpendicular to the leg piece 15 is provided.

  Further, as shown in FIG. 5, the cylindrical body 2T has an internal space hermetically sealed by fitting sealing plugs 7 at both ends thereof. Therefore, even if the cylindrical body 2T is compressed, the air in the cylindrical body 2T is not discharged, so that the pew discharge sound generated at the time of closing the conventional door disappears, and quietness such as at night can be obtained. Can be maintained. Moreover, since the cylindrical body 2T sealed with the hermetic plug 7 forms a kind of air spring, the packing 2 having a soft cushioning property is formed, and as a result, the adhesion with the door body 4 is improved and the soundproofing performance is improved. .

  The seal plug 7 of this embodiment is formed of an elastic body using urethane foam, polyethylene foam, other sponge, rubber or the like. Accordingly, since the sealing plug 7 is deformed together with the cylindrical body 2T during compression, the both ends of the cylindrical body 2T fitted with the sealing plug 7 are in close contact with the door main body 4 like the other intermediate portions, thereby impairing the soundproof performance. It is preferable in that there is no.

  The sealing plug 7 of this embodiment is press-fitted into the end of the cylindrical body 2T, and is fixed to the inner peripheral surface of the cylindrical body 2T using a synthetic rubber, nitrile rubber, vinyl chloride or other adhesive. Therefore, even if the air pressure in the compressed cylindrical body 2T increases, the sealing plug 7 does not come off, which is preferable in terms of excellent durability.

  The packing 2 is formed by extrusion molding or other manufacturing methods using an elastic material such as natural rubber, styrene butadiene rubber, butadiene rubber, chloroprene rubber, ethylene propylene rubber, or other synthetic rubber, or thermoplastic elastomer. Further, in the packing member 2A of this embodiment, the leg piece 15, the inclined piece 15a and the wing piece 21 are integrally formed at the same time. At this time, it is preferable that the leg pieces 15 are integrally formed using a relatively hard material in order to increase the supporting force of the packing member 2A.

  As shown in FIG. 4, the packing member 2A has the leg piece 15 and the inclined piece 15a press-fitted into a slit 16 formed over the entire length on the surface facing the opening 6 of the vertical frame 3A. The As a result, the packing 2 is disposed between the vertical frame 3A of the suspension source and the side end surface of the door body 4, and as shown in FIG. 2, between the door body 4 in the closed position and the vertical frame 3A of the suspension source. And is compressed so as to close the gap g around the door body 4. In order to enhance the appearance by covering the packing 2 compressed by the door main body 4 and the vertical frame 3A of the suspension source in the closed position, a thin vertical rail 19 is provided at the end of the suspension vertical frame 3A on the side opposite to the door rotation side. It is fixed.

  Further, as shown in FIG. 2, on the door-end side, the leg pieces of the packing member 2A are formed in the slit 16 of the door-holding vertical member 17 provided at the end of the door frame on the opposite side of the vertical frame 3B in the same manner as described above. By press-fitting 15, the packing 2 is sandwiched between the door end side of the door body 4 and the vertical frame 3B of the door end, and the gap g is closed. Further, at the upper part of the door body 4, as shown in FIG. 3, by attaching a packing member 2 </ b> A to the slit 16 of the door upper member 18 provided at the end of the upper frame 3 </ b> C opposite to the door rotation side, The upper part 3 and the upper frame 3C sandwich the packing 2 to close the gap g.

  The packing member 2A shown in FIG. 6 shows the configuration of the packing 2 in another invention. In the present invention, the configuration of the opening frame 3, the door main body 4, and the overall shape and material of the packing member 2A are the same as the above-described configuration shown in FIGS. Only the same reference numerals are given to the equivalent components shown in FIG. 6, and only different contents of the packing 2 will be described below.

  The packing 2 of the present invention includes a ventilation means 8 for discharging the air in the cylindrical body 2T during compression. In this embodiment, the ventilation means 8 is formed by the ventilation holes 8A provided in the cylindrical body 2T. . Further, as shown in FIG. 6, a plurality of the vent holes 8A of the present embodiment are provided in the middle in the longitudinal direction of the cylindrical body 2T. When the cylindrical body 2T is sandwiched between the door body 4 and the opening frame 3 and compressed by the ventilation means 8 as described above, the air in the middle portion in the longitudinal direction of the cylindrical body 2T is smoothly discharged. The increase in the air pressure in the cylindrical body 2T is suppressed to a small level, and the discharge sound of the air in the cylindrical body 2T, which is conventionally generated when the door is closed, disappears and the silence can be maintained. Moreover, this embodiment is preferable in that the air in the cylindrical body 2T can be reliably exhausted by the vent hole 8A. The vent holes 8A can be arranged linearly along the longitudinal direction of the cylindrical body 2T. However, as shown in FIG. 6, when arranged in a staggered manner, the air in the cylindrical body 2T is more uniformly exhausted. This is preferable.

  The vent hole 8A has a diameter d of 0.5 to 3 mm and is formed at an interval p of 30 to 1000 mm with respect to the longitudinal direction of the cylindrical body. The lower limit of the diameter d is more preferably 0.5 mm or more, and the upper limit is more preferably 3 mm or less. If the diameter d is less than 0.5 mm, the air flow in the tubular body 2T increases when the door is closed, so that the air pressure in the cylindrical body 2T may rise, and there is a risk of generating a discharge sound in the vent hole 8A. The strength of the cylindrical body 2T is lowered and the appearance is impaired. Further, if the interval p between the air holes 8A is less than 30 mm, the ventilation area becomes excessive and the appearance is deteriorated. Conversely, if it exceeds 1000 mm, there is a possibility that the ventilation amount is insufficient and discharge sound is generated.

It is a perspective view which illustrates one embodiment of the present invention. It is the AA sectional view. It is the BB sectional drawing. It is the principal part expanded sectional view. It is a perspective view which illustrates a packing member. It is a perspective view which shows one embodiment of other invention and illustrates packing. A prior art example is illustrated, (A) is a horizontal sectional view in a state where a door body is opened, and (B) is a horizontal sectional view in a closed state of the door body.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Soundproof structure of opening part 2 Packing 2T Cylindrical body 3 Opening frame 4 Door main body 5 Pivoting tool 6 Opening part 7 Seal plug 8 Ventilation means 8A Ventilation hole

Claims (5)

An opening frame disposed at the periphery of the opening, a door main body that is pivotally attached to a vertical frame from which the opening frame is suspended using a pivotal support, and that opens and closes the opening by the rotation operation; and In the soundproof structure of the opening portion provided with a packing that is sandwiched between the door body at the closed position and the opening frame and compressed to close the gap between the door body and the opening frame,
The packing is formed of a cylindrical body having elasticity, and a sealing plug for preventing air discharge from the cylindrical body during the compression is fitted to both ends of the cylindrical body. .   The opening according to claim 1, wherein the sealing plug is formed of an elastic body, and is press-fitted into an end of the cylindrical body and is fixed to an inner peripheral surface of the cylindrical body using an adhesive. Soundproof structure. An opening frame disposed at the periphery of the opening, a door main body that is pivotally attached to a vertical frame from which the opening frame is suspended using a pivotal support, and that opens and closes the opening by the rotation operation; and In the soundproof structure of the opening portion provided with a packing that is sandwiched between the door body at the closed position and the opening frame and compressed to close the gap between the door body and the opening frame,
The packing is formed of an elastic cylindrical body, and has a ventilation means for discharging air from the cylindrical body at the time of compression.   4. The soundproof structure for an opening according to claim 3, wherein the ventilation means includes a plurality of ventilation holes provided in a middle portion in the longitudinal direction of the cylindrical body.   5. The soundproof structure for an opening according to claim 4, wherein the vent hole has a diameter of 0.5 to 3 mm and is formed at an interval of 30 to 1000 mm with respect to the longitudinal direction of the cylindrical body.

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