JP2012001931A - Noise insulation room structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a noise insulation room structure capable of not only increasing the degree of freedom in layout but also providing an excellent vibration absorbing performance.SOLUTION: In a noise insulation room structure, an outside wall 12 is installed on the top face of a floor slab 11. Floor concrete 15 is supported by a storage recess 11a formed on the top face of the floor slab 11 through a cushioning material 14. A noise insulating box 18 is installed on the floor concrete 15. A noise absorbing member 19 is interposed between the outside wall 12 and the noise insulating box 18, and a noise absorbing member 20 is interposed between an upper story slab 13 and a ceiling 17 of the noise insulating box 18.

Description

  The present invention relates to a soundproof room structure that can absorb, for example, noise caused by musical instrument performance or vibration caused by dance.

  Conventionally, what was disclosed by patent document 1 as this kind of technique is proposed. In this soundproof room structure, as shown in FIG. 11, a building frame 60 is formed of reinforced concrete. A floor panel 63 is disposed on the upper surface of the floor 61 of the housing 60 via a cushion material 62. A square cylindrical wall panel 64 is erected on the floor panel 63, and a ceiling panel 65 is assembled to the upper end of the wall panel 64 to form a sound insulation box 66. A frame plate 68 is attached to the opening 64 a of the wall panel 64 to which the door 67 is attached. A decorative frame 70 is attached to the opening 69a of the housing wall 69 facing the opening 64a. A cushion material 71 is interposed in the gap between the frame plate 68 and the decorative frame 70, and a decorative material 72 such as a cushion sheet is attached to the inner peripheral surface of the frame plate 68 and the decorative frame 70.

JP-A-6-306965

  However, in the configuration of Patent Document 1, a reinforced concrete frame 60 forms an outer shell of a soundproof room. Therefore, there is a problem that the sound insulation box 66 cannot be installed at a position away from the wall of the housing 60 and is restricted in layout. In the configuration of Patent Document 1, for example, the cushion material 71 is interposed between the frame plate 68 and the decorative frame 70, but the entire soundproof room is supported by the housing 60, so that vibration such as sound is generated. May propagate to the entire building through the housing 60.

  In addition, in the case of a steel structure building with an outer wall panel attached to the steel frame, there is no frame wall that can be used as a soundproof room like a reinforced concrete frame wall, so it is difficult to install a double structure soundproof room. There is a problem that there is.

  The first object of the present invention is to provide a soundproof room structure that can solve the problems in the conventional technology and can improve the degree of freedom in layout of the sound insulation box regardless of the structure of the building. There is. The second object of the present invention is to provide a soundproof room structure capable of improving the vibration absorbing function of the soundproof room.

  In order to solve the above-described problems, the invention according to claim 1 is configured such that a cylindrical outer wall having a soundproof function is constructed on the upper surface of the floor slab, and the floor slab is positioned inside the outer wall. The gist is that a sound insulation box is constructed on the upper surface via a cushioning material, and a vibration absorbing means is interposed between the outer wall and the sound insulation box.

  According to a second aspect of the present invention, in the soundproof room structure according to the first aspect, the vibration absorbing means is interposed between the frame of the outer wall and the frame of the inner wall constituting the sound insulation box. Is the gist.

  The invention according to claim 3 is the soundproof room structure according to claim 1 or 2, wherein the vibration absorbing means is interposed between the ceiling of the sound insulation box and the floor slab of the upper floor. To do.

  According to a fourth aspect of the present invention, in the soundproof room structure according to the second or third aspect, an opening / closing opening frame is formed on each of the outer wall and the inner wall, and vibration absorbing means is provided between the opening frames. This is the gist.

The gist of the fifth aspect of the present invention is that, in the soundproof room structure according to the fourth aspect, a vibration absorbing means is provided between the frame of the inner wall and the opening frame.
According to a sixth aspect of the present invention, in any one of the second to fifth aspects, an opening frame for a window frame is formed on each of the outer wall and the inner wall, and a vibration absorbing means is provided between the opening frames. The summary is provided.

(Function)
In the invention according to any one of claims 1 to 6, since the outer wall is constructed regardless of the building body, the shape and layout flexibility of the outer wall and the sound insulation box inside thereof are improved.

  In the invention according to claim 2, since the vibration absorbing means between the outer wall and the sound insulation box is interposed between the frame of the outer wall and the frame of the inner wall constituting the sound insulation box, The number of installed means, rigidity, and freedom of installation position are improved, and an excellent vibration absorbing action can be obtained.

  According to the present invention, since the outer wall and the sound insulation box can be arranged without being restricted by the housing, the degree of freedom in layout can be improved.

(A) is a rough body longitudinal cross-sectional view of the outer wall which shows one Embodiment which actualized the soundproof room structure of this invention, (b) is a rough body longitudinal cross-sectional view of a sound insulation box. The longitudinal cross-sectional view which shows one Embodiment which actualized the soundproof room structure of this invention. The plane sectional view of a soundproof room structure. The partial expanded longitudinal cross-sectional view above the door frame. The front view which shows the framework of an opening frame. (A) is a sectional view taken along line aa in (b), (b) is a plan sectional view of FIG. 6 (a), and (c) is used between the upper floor slab and the vertical member of the inner wall of the sound insulation box The expanded longitudinal cross-sectional view of the vibration-absorbing member obtained. The partial longitudinal cross-sectional view of a soundproof room structure. The front view which shows the opening frame of a window. The longitudinal cross-sectional view which shows another embodiment of the soundproof room structure of this invention. (A) and (b) are the approximate body longitudinal cross-sectional views of the principal part which shows another embodiment of the soundproof room structure of this invention. The longitudinal cross-sectional view which shows the conventional soundproof room structure.

Hereinafter, an embodiment embodying the present invention will be described with reference to FIGS.
First, a schematic configuration of the present embodiment will be described based on FIG.
As shown in FIG. 1A, a soundproofing function is provided between the upper surface of a floor slab 11 in which a soundproof room of a building is installed and the lower surface of an upper floor slab (hereinafter referred to as upper floor slab) 13. A square cylindrical outer wall 12 is provided. An outer opening frame 21 is provided on the right side wall of the outer wall 12 in the figure.

  A square box-shaped sound insulation box 18 having a ceiling 17 is installed inside the outer wall 12 as shown in FIG. An inner opening frame 22 is provided on the right side wall of the sound insulation box 18 so as to correspond to the outer opening frame 21. A door frame 23 is installed inside the inner opening frame 22, and a door 24 is attached to the door frame 23 so as to be opened and closed. Floor concrete 15 constituting the floor of the sound insulation box 18 is laid on the inner bottom surface of the housing recess 11 a formed on the upper surface of the floor slab 11 via a cushion material 14. Therefore, the sound insulation box 18 is placed on the cushion material 14.

Next, the configuration of the outer wall 12 and the sound insulation box 18 will be described in detail.
As shown in FIGS. 2 and 3, the outer wall 12 includes a frame body 37A constructed by vertically connecting a plurality of vertical members 35A and horizontal members 36A made of square pipes, and the vertical direction of the frame body 37A. A sound absorbing material 38A made of, for example, glass wool accommodated in a space between the material 35A and the cross member 36A, and a wall plate 39A joined to the outer surface of the skeleton 37A.

  As shown in FIGS. 4 and 5, the outer opening frame 21 of the outer wall 12 is vertically fixed between a vertical member 35A fixed between the floor slab 11 and the upper floor slab 13 and both vertical members 35A. And a cross member 36A. A reinforcing frame 41 located on the outdoor side is fixed to the outer opening frame 21 in order to increase rigidity. The reinforcing frame 41 includes a cross member 41B connected to the cross member 36A via a connecting member 41A, and a vertical member 41C connected to the cross member 41B at the upper end. The lower end of the vertical member 41C is fixed to the floor slab 11.

  As shown in FIGS. 2 and 3, the wall (hereinafter referred to as the inner wall) 16 of the sound insulation box 18 has a plurality of vertical members 35B and horizontal members 36B made of square pipes in the vertical and horizontal directions, like the outer wall 12. A frame body 37B constructed by being connected and a sound absorbing material 38B made of, for example, glass wool accommodated in a space between the vertical member 35B and the horizontal member 36B of the frame body 37B are provided. The inner wall 16 includes an inner plate 37C located on the indoor side of the skeleton 37B and a wall plate 39B provided on the inner side of the inner plate 37C and constituting the indoor wall. The upper part of the inner wall 16 constitutes a ceiling 17, and a decorative plate 47 is provided on the indoor side surface.

  As shown in FIGS. 4 and 5, the inner opening frame 22 of the inner wall 16 includes two vertical members 35 </ b> B standing on the floor concrete 15, and a horizontal member fixed between the vertical members 35 </ b> B. 36B. The upper ends of both vertical members 35B are separated from the lower surface of the upper floor slab 13. A reinforcing frame 42 located on the outdoor side is fixed to the inner opening frame 22 in order to increase rigidity. The reinforcing frame 42 includes a cross member 42B connected to the cross member 36B via a connecting member 42A, and a vertical member 42C connected to the cross member 42B at the upper end. The lower end of the vertical member 42C is fixed on the floor concrete 15.

  As shown in FIGS. 2 and 4, the ceiling 17 includes a plurality of bridges connected between the side surface of the upper end portion of the vertical member 35 </ b> B of the inner opening frame 22 and the upper end of the left vertical member 35 </ b> B of FIG. 2. A horizontal frame 46 made of a square pipe and a sound absorbing material 38D made of, for example, glass wool accommodated in a space between the horizontal frames 46 are provided.

  As shown in FIGS. 4 and 5, a vibration absorbing material 38 </ b> C made of, for example, a rubber material is interposed in the gap between the upper and both sides of the door frame 23 and the inner opening frame 22. As shown in FIG. 4, a gate-shaped wall plate 39 </ b> C is joined to the outer surface of the inner opening frame 22 with gaps on the upper and lower sides and both sides. A vibration absorbing material 45 made of an elastic material made of rubber is interposed between the plates 39A and 39C so as to close the gap between the wall plate 39A and the wall plate 39C. The vibration absorbers 38C and 45 absorb the vibrations in the vertical and horizontal directions.

  As shown in FIGS. 3 and 5, a window frame 25 is attached to one side of the inner opening frame 22, and a window glass 26 is attached to the window frame 25. Between the outer periphery of the window frame 25 and the inner periphery of the inner opening frame 22, a vibration absorbing member 38C made of a rubber elastic material is interposed.

  An outer window opening frame 29 is attached to the upper side of the outer wall 12 in FIG. An inner window opening frame 30 is attached to a portion of the inner wall 16 facing the outer window opening frame 29. A rectangular cylindrical window frame 31 is attached to the outer window opening frame 29 and the inner window opening frame 30, and a window glass 32 is fitted and fixed to the window frame 31. Between the outer periphery of the window frame 31 and the inner periphery of the inner window opening frame 30, a vibration absorbing material 38C made of a rubber elastic material is interposed.

  As will be described later with reference to FIGS. 3 to 8, mainly lateral vibration including sound of the sound insulation box 18 is generated between the outer wall 12 and the inner wall 16 and between the upper floor slab 13 and the inner wall 16. A vibration absorbing member 19 for absorbing is interposed at a plurality of locations. Between the upper floor slab 13 and the ceiling 17, vibration absorbing members 20 for absorbing mainly vibration in the longitudinal direction of the sound insulation box 18 are interposed at a plurality of locations.

  As shown in FIG. 5, a vibration absorbing member 19 is interposed between the upper and lower positions of the vertical members 35 </ b> A on both sides of the outer opening frame 21 and the vertical members 35 </ b> B of the inner opening frame 22. That is, as shown in the intermediate height position of FIG. 4 and FIGS. 6 (a) and 6 (b), the vibration absorbing member 19 is attached to the vertical member 35A constituting the outer wall 12 via the bracket 48, and has a hole. Cylindrical elastic material 49 made of rubber having 49a and a vertical member 35B constituting the inner wall 16 are fixed to the side surface of the vertical member 35B via a bracket 50 and inserted into the hole 49a of the elastic material 49 so as to be movable in the vertical direction. It is comprised by the raising / lowering rod 51 made. As shown in the upper part of FIG. 4, the upper part of FIG. 5, and FIG. 6C, another vibration absorbing member 19 includes a bracket 48 of an elastic material 49 attached to a vertical member 35 </ b> B of the inner wall 16 and a lifting rod 51. The bracket 50 is fixed to the upper floor slab 13. Therefore, the vibration absorbing member 19 is interposed between the upper floor slab 13 and the vertical member 35B of the inner wall 16.

  As shown in FIG. 4, a plate member 55 is attached to the upper portion of the vertical member 35 </ b> A constituting the outer wall 12, and the horizontal frame 46 of the ceiling 17 is interposed via a bracket 56 so as to correspond to the plate member 55. A vibration absorbing material 38E made of a rubber material is attached, and the vibration absorbing material 38E is in contact with the plate material 55. Therefore, the vibration absorbing material 38E absorbs mainly the vibration in the lateral direction of the sound insulation box 18.

  As shown in FIGS. 7 and 8, between the upper floor slab 13 and the upper end of the vertical member 35B constituting both sides of the inner window opening frame 30, the same as the vibration absorbing member 19 shown in the upper end of FIG. A vibration-absorbing member 19 is attached. A vibration absorbing member 19 is mounted at two vertical positions between the vertical member 35A of the outer wall 12 and the vertical members 35A and 35B of the inner window opening frame 30 in the same manner as the vibration absorbing member 19 shown in the upper and lower intermediate portions of FIG. .

  As shown in FIG. 4, the vibration absorbing member 20 includes a holder 52 attached to the upper floor slab 13 by bolts, a rod 54 fixed to the horizontal frame 46 of the ceiling 17, and a holder 52 and a rod 54. It is comprised by the rubber-made elastic material 53 interposed between. The vibration absorbing member 20 absorbs mainly vibration in the longitudinal direction of the sound insulation box 18.

  When vibration is applied to the floor concrete 15 and the sound insulation box 18 by, for example, dancing while playing music inside the sound insulation box 18, the vibrations in the vertical direction and the horizontal direction are applied to the floor cushion material 14. And is absorbed by the vibration absorbing member 19 and the vibration absorbing member 20 or the vibration absorbing members 38C and 45. Therefore, in the present embodiment, the vibration absorbing means is constituted by the vibration absorbing members 19 and 20 and the vibration absorbing members 38C and 45.

  Further, sound absorbing materials 38A and 38B are provided on the outer wall 12 and the inner wall 16, a vibration absorbing material 38C is provided between the door frame 23 and the inner opening frame 22, and a sound absorbing material 38D is provided on the ceiling 17. Is provided. For this reason, for example, when a band performance or the like is performed indoors, the sound emitted from the musical instrument is absorbed by the sound absorbing material, and the sound absorbing function is appropriately exhibited.

And according to the said embodiment, the following effects can be acquired.
(1) In the above embodiment, the outer wall 12 is constructed on the upper surface of the floor slab 11, and the sound insulation box 18 is accommodated inside the outer wall 12 so as to have an inner / outer double wall structure. For this reason, the outer wall 12 and the sound insulation box 18 can be constructed independently of a reinforced concrete structure frame or a steel frame structure frame. Therefore, in various buildings such as a reinforced concrete structure and a steel structure, the shape of the outer wall 12 and the sound insulation box 18 and the layout in the building can be freely set. Further, the layout of the door 24 and the corridor corresponding to the door 24 can be freely set.

  (2) In the above embodiment, the sound insulation box 18 is constituted by the inner wall 16 having the sound absorbing material 38B, and the sound insulation box 18 is surrounded by the outer wall 12 having the sound absorbing material 38A, thereby forming a double sound insulation structure. Yes. For this reason, compared with a sound insulation box having a single sound insulation structure, the sound insulation function can be improved, and the sound in the sound insulation box 18 hardly leaks to the outside, and a high sound insulation effect can be obtained.

  (3) In the above embodiment, the cushion material 14 is provided on the upper surface of the floor slab 11, and the sound insulation box 18 constituting the room is installed between the cushion material 14 and the upper floor slab 13 in a floating state by the cushion material 14. A plurality of vibration absorbing members 19 are interposed between the outer wall 12 and the inner wall 16 of the sound insulation box 18. A plurality of vibration absorbing members 20 are interposed between the upper floor slab 13 and the ceiling 17. For this reason, the vibration of the sound insulation box 18 can be effectively absorbed by the cushion material 14 and the vibration absorbing members 19 and 20. Therefore, it is possible to effectively prevent vibration from propagating throughout the building.

  (4) In the above embodiment, since the vibration in the sound insulation box 18 is blocked by the sound insulation box 18, the outer wall 12 and the building wall, in other words, by the triple barrier, It is possible to appropriately prevent leakage of vibrations.

  (5) In the above embodiment, since the vibration absorbing member 19 is provided between the gate-shaped outer opening frame 21 and the inner opening frame 22 having high rigidity, the vibration absorbing member 19 exhibits performance as required. A high vibration absorption effect can be obtained. Similarly, since the vibration absorbing member 19 is provided between the square frame-shaped outer window opening frame 29 and the inner window opening frame 30, the vibration absorbing member 19 also exhibits performance as required and obtains a high vibration absorbing effect. be able to.

  (6) In the above embodiment, the vibration absorbing materials 38C and 38E are provided between the inner opening frame 22 and the door frame 23, and between the outer opening frame 21 and the horizontal frame 46 of the sound insulation box 18, respectively. The vibration absorbing function of the sound insulation box 18 can be obtained also in the vibration absorbing materials 38C and 38E.

  (7) In the above embodiment, the outer and inner opening frames 21 and 22 are provided with the reinforcing frames 41 and 42 to increase the thickness dimension of the both frames 21 and 22 in the indoor / outdoor direction. The mechanical strength of 21 and 22 can be improved, the width dimension of the door frame 23 in the indoor / outdoor direction can be increased, and the rigidity of the door frame 23 can be improved.

  (8) In the embodiment described above, the outer wall 12 and the inner wall 16 are parallel, and the outer opening frame 21 and the inner opening frame 22 are parallel to each other and stacked one above the other. For this reason, it can prevent that an extra space arises and can obtain high space efficiency.

(9) In the above embodiment, since the outer opening frame 21 and the inner opening frame 22 are stacked in a gate shape, both the frames 21 and 22 can be made sturdy.
In addition, the said embodiment can be changed and embodied as follows.

  As shown in FIG. 9, the upper end edge of the outer wall 12 is separated from the lower surface of the upper floor slab 13, the vibration absorbing member 20 is omitted, and the upper end of the outer wall 12 is the same as the ceiling 17 of the sound insulation box 18. The ceiling 17A having the sound absorbing material 38D may be constructed, and the outer plate 57 may be attached to the upper surface of the ceiling 17A.

  In this case, since the outer wall 12 and the upper floor slab 13 are not joined, a double-structured sound insulation chamber can be constructed without being restricted by the upper floor slab 13, and the outer wall 12, the inner wall The flexibility of the shape and layout of the 16 and the ceiling 17A is further improved. In other words, the freedom of the shape and layout of the sound insulation box 18 is further improved.

  As shown in FIG. 10A, the reinforcing frame 41 on the outer wall 12 side is omitted, and the amount of protrusion of the reinforcing frame 42 on the inner wall 16 side to the outdoor side is shorter than that of the reinforcing frame 42 of the above embodiment. May be. Alternatively, as shown in FIG. 10B, the reinforcing frames 41 and 42 on the outer wall 12 side and the inner wall 16 side may be omitted. In these cases, the outer and inner opening frames 21 and 22 can be made thinner.

The vibration absorbing member 19 may be interposed between the cross members 36A and 41B and the cross members 36B and 42B.
In the above embodiment, the outer wall 12 and the inner wall 16 are formed in a rectangular tube shape, but may be formed in a triangular tube shape, a cylindrical shape, or a pentagonal to octagonal tube shape.

  The elastic members 49 and 53 such as the vibration absorbing members 19 and 20 may be replaced with rubber, and for example, a coil spring or a leaf spring may be used.

  DESCRIPTION OF SYMBOLS 11, 13 ... Floor slab, 12 ... Outer wall, 14, 45 ... Cushion material, 16 ... Inner wall, 17, 17A ... Ceiling, 18 ... Sound insulation box, 19, 20 ... Damping member, 21, 22 ... Frame, 37A, 37B ... Skeleton.

Claims (6)

A cylindrical outer wall having a soundproof function is constructed on the upper surface of the floor slab, and a sound insulation box is constructed on the upper surface of the floor slab via a cushioning material so as to be located inside the outer wall, and the outer wall and the sound insulation are constructed. A soundproof room structure in which a vibration absorbing means is interposed between the box and the box. 2. The soundproof room structure according to claim 1, wherein the vibration absorbing means is interposed between a frame of the outer wall and a frame of an inner wall constituting the sound insulation box. The soundproof room structure according to claim 1 or 2, wherein the vibration absorbing means is interposed between a ceiling of a sound insulation box and a floor slab of an upper floor. The soundproof room structure according to claim 2 or 3, wherein an opening frame for entrance and exit is formed on each of the outer wall and the inner wall, and a vibration absorbing means is provided between the opening frames. The soundproof room structure according to claim 4, wherein a vibration absorbing means is provided between the frame of the inner wall and the opening frame. The soundproofing according to any one of claims 2 to 5, wherein an opening frame for a window frame is formed on each of the outer wall and the inner wall, and a vibration absorbing means is provided between the opening frames. Chamber structure.

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