Niche structure

Abstract

To provide a niche structure that allows for sound effects.SOLUTION: A niche structure 101 includes a first panel 10, a second panel 20 facing the first panel 10 in the thickness direction, a third panel 30 arranged between the first panel 10 and the second panel 20 in the thickness direction and forming a recess 80 together with the first panel 10, a fourth panel 40 connecting the first panel 10 and the third panel 30 and forming the recess 80 together with the first panel 10 and the third panel 30, and a vibration speaker 50 in contact with the rear surface 30b of the third panel 30.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present invention relates to a niche structure.

Background Art

[0002] Conventionally, for example, a box-shaped niche that is attached to a wall of a house and has an opening at the front is known (see, for example, Patent Document 1). The niche includes a pair of side plates arranged apart in the wall width direction, a top plate spanning between the upper ends of the pair of side plates, and a bottom plate arranged between the lower ends of the pair of side plates.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] Conventionally, the niche structure has been utilized as a space for enjoying the interior by placing decorations that give a seasonal feeling in the recess or installing paintings. In recent years, the installation of indirect lighting has been proposed for more sophisticated utilization of the niche structure.

[0005] However, in the niche structure, since the wall is recessed, the wall thickness becomes thin in the recessed portion, resulting in a decrease in sound insulation performance, and furthermore, the recessed shape may amplify sound like a megaphone.

[0006] The present invention provides a niche structure capable of producing an effect by sound.

Means for Solving the Problems

[0007] The niche structure according to the present invention is a first facing material, a second facing material facing the first facing material in the thickness direction, A third face member disposed between the first face member and the second face member in the thickness direction and forming a recess together with the first face member; A fourth face member connecting the first face member and the third face member and forming the recess together with the first face member and the third face member; A vibration speaker in contact with the back surface of the third face member, characterized by comprising the same.

[0008] According to this aspect, by providing a vibration speaker in contact with the back surface of the third face member that forms the recess of the niche structure, the third face member can be vibrated to output sound. According to this aspect, the sound can be amplified by the recess of the niche structure, and an effect by the sound is possible. Further, according to this aspect, since the third face member can be vibrated to output sound, the sound can be output from a portion where the wall thickness between the third face member and the second face member is thin. By outputting the sound from a portion where the wall thickness is thin, the sound leakage from the adjacent room becomes less noticeable. According to the niche structure of this aspect, the influence of sound leakage from the adjacent room can be suppressed.

[0009] Further, in another aspect of the present invention, The niche structure includes a support mechanism that supports the vibration speaker so as to be movable in the vertical direction, The support mechanism, Has a suspension rod that supports the vibration speaker from above.

[0010] According to this aspect, the vibration speaker can be suspended and disposed from above using the suspension rod. Further, since the vibration speaker can be moved in the vertical direction, for example, when maintaining the vibration speaker, the vibration speaker can be moved above the third face member to perform maintenance. Therefore, when maintaining the vibration speaker, it is not necessary to remove the third face member. According to this aspect, maintenance of the vibration speaker can be performed without providing an opening in the third face member.

[0011] Further, in another aspect of the present invention, The niche structure includes an amplifier connected to the vibration speaker, The fourth face member is arranged with its thickness direction along the vertical direction, connected to the upper part of the third face member, and includes a top plate arranged above the concave portion. The amplifier is placed on the top plate. An opening penetrating in the vertical direction is formed in the top plate.

[0012] According to this aspect, since the amplifier can be placed on the top plate formed above the concave portion, the upper part of the top plate can be utilized as a placement space for the amplifier. Further, since an opening is formed in the top plate, maintenance of the amplifier can be performed through the opening. Also, maintenance of the vibration speaker may be performed through the opening. In this aspect, since the top plate is arranged on the back side of the first face member and an opening is formed in this top plate, the opening can be arranged at a position where it cannot be seen from the front. Therefore, the design property is not impaired by the opening.

[0013] Also, in another aspect of the present invention, The upper part of the concave portion includes a space in contact with the back surface of the first face member. A lighting device that is attached to the back surface of the first face member and illuminates the inside of the concave portion is arranged in the upper part of the concave portion. The top plate is arranged above the lighting device.

[0014] According to this aspect, since lighting is provided in the upper part of the concave portion, the inside of the concave portion can be illuminated, and an effect by light as well as an effect by sound can be performed, enhancing the effect in the niche structure further. Since the lighting is attached to the back surface of the first face member, the lighting can be hidden from the front side, and an effect as indirect lighting can be executed. Also, in this aspect, maintenance of the amplifier and the vibration speaker can be performed through the opening formed at a position overlapping the lighting when viewed in the vertical direction.

[0015] Also, in another aspect of the present invention, The third face member is formed to have a rectangular shape when viewed in the thickness direction of the third face member. The fourth face member is, The top plate is arranged with its thickness direction along the vertical direction, connected to the upper part of the third face member, and forms the upper part of the concave portion. The bottom plate is arranged with its thickness direction along the vertical direction, connected to the lower part of the third face member, and forms the bottom of the concave portion. It has a pair of side plates whose thickness directions are arranged along the horizontal direction, connected to the side parts of the third face member, and form the side parts of the concave portion.

[0016] According to this aspect, it becomes a niche structure having a concave portion formed by arranging a top plate, a bottom plate, and a pair of side plates so as to surround the third face member. In the case of this structure, compared with the structure where the third face member is not surrounded, the effect of sound amplification can be obtained. In this aspect, the influence of sound leakage from the adjacent room can be further reduced.

[0017] Also, in another aspect of the present invention, The niche structure may be an intermediate partition wall that partitions the living room.

[0018] According to this aspect, the niche structure can be used as an intermediate partition wall that partitions the living room, and in the living room, an effect by sound can be realized. According to this aspect, the influence of sound leakage from the adjacent room to the living room can be suppressed.

Effect of the Invention

[0019] As can be understood from the above description, according to the present invention, a niche structure capable of an effect by sound can be realized.

Brief Description of the Drawings

[0020]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Mode for Carrying Out the Invention

[0021] Hereinafter, the partition wall (niche structure) according to the embodiment will be described with reference to the accompanying drawings. In the present specification and drawings, substantially the same components may be denoted by the same reference numerals, and redundant descriptions may be omitted.

[0022] [Partition Wall 100 According to the First Embodiment] FIG. 1 is a perspective view showing the partition wall according to the first embodiment. FIG. 2 is a cross-sectional view of the partition wall according to the first embodiment, showing a cross-section along the YZ plane. FIG. 3 is a cross-sectional view of the partition wall according to the first embodiment, showing a cross-section along the XY plane. In each figure, arrows indicating the X-axis direction, Y-axis direction, and Z-axis direction that are perpendicular to each other are shown. The X-axis direction and Y-axis direction are along the horizontal direction. The Z-axis direction is along the vertical direction. The X-axis direction is along the thickness direction of the partition wall 100. The Y-axis direction is along the wall width direction of the partition wall 100.

[0023] The partition wall 100 shown in FIGS. 1 to 3 includes a niche structure 101. The niche structure 101 has a recess 80 that is recessed from the surface of the partition wall 100. The partition wall 100 may be, for example, a partition wall that partitions the living room 110. The opening of the recess 80 of the niche structure 101 faces the inside of the living room 110. The recess 80 is formed to be recessed in the Y-axis direction. Note that the niche structure 101 is not limited to being formed in the living room 110. The niche structure 101 may be formed so as to be in contact with other spaces such as an entrance hall, a corridor, a bedroom, a Western-style room, a Japanese-style room, a dining room, a kitchen, etc. Further, the niche structure 101 is not limited to being formed in a house, and may be formed in other buildings such as a hotel, an office, a hospital, a store, etc.

[0024] As described above, the thickness direction of the partition wall 100 is arranged along the X-axis direction. Note that the thickness direction of the partition wall 100 is not limited to the X-axis direction and may be other directions. As shown in FIGS. 2 and 3, the partition wall 100 includes a first face member 10, a second face member 20, a third face member 30, a fourth face member 40, and a vibration speaker 50.

[0025] [The first face member 10 and the second face member 20] The first face member 10 and the second face member 20 are arranged apart from each other in the X-axis direction. The plate thickness direction of the first face member 10 and the second face member 20 is along the X-axis direction. The first face member 10 and the second face member 20 are attached to the wall base material. The wall base includes vertical bars extending in the vertical direction. The first face member 10 and the second face member 20 are attached to the vertical bars. The first face member 10 and the second face member 20 are, for example, gypsum boards. The first face member 10 is arranged closer to the inside of the living room 110. The second face member 20 is arranged closer to the inside of the adjacent room 120 adjacent to the living room 110.

[0026] The first face member 10 has an inner surface 10a and an outer surface 10b. The second face member 20 has an inner surface 20a and an outer surface 20b. The inner surface 10a and the inner surface 20a face each other. The outer surface 10b of the first face member 10 is the surface on the living room 110 side. The outer surface 20b of the second face member 20 is adjacent to the living room 110. An opening penetrating in the X-axis direction is formed in the first face member 10 at a position corresponding to the recess 80.

[0027] [The third face member 30] The third face member 30 and the fourth face member 40 form the recess 80. The plate thickness direction of the third face member 30 is along the X-axis direction. The third face member 30 is arranged between the first face member 10 and the second face member 20 in the X-axis direction. The third face member 30 is arranged opposite to the second face member 20 in the X-axis direction. An opening is formed at a position of the first face member 10 opposite to the third face member 30. The third face member 30 is formed in a rectangular shape when viewed in the X-axis direction.

[0028] The third face member 30 has a front face 30a and a back face 30b. The front face 30a and the back face 30b are faces that face each other in the thickness direction of the third face member 30. The front face 30a is the face closer to the first face member 10 in the X-axis direction, and the back face 30b faces the inner face 20a of the second face member 20 in the X-axis direction. The front face 30a is the face that contacts the recess 80 and is not covered by the first face member 10. The front face 30a is disposed at a position closer to the second face member 20 than the inner face 10a of the first face member 10 in the X-axis direction.

[0029] [Fourth face member 40] The fourth face member 40 connects the first face member 10 and the third face member 30 in the X-axis direction and forms the recess 80. The fourth face member 40 has a top plate 41, a bottom plate 42, and a pair of side plates 43, 44. These top plate 41, bottom plate 42, and a pair of side plates 43 are arranged so as to surround the third face member 30 when viewed in the X-axis direction. The top plate 41, bottom plate 42, and a pair of side plates 43, 44 form a rectangular frame when viewed in the X-axis direction.

[0030] As shown in FIG. 2, the plate thickness direction of the top plate 41 is along the Z-axis direction. The top plate 41 connects the upper end portion of the third face member 30 and the first face member 10 in the X-axis direction. In the X-axis direction, one end portion (rear end portion) of the top plate 41 is joined to the upper end portion of the third face member 30, and the other end portion (front end portion) of the top plate 41 is joined to the first face member 10. The other end portion of the top plate 41 is connected to a portion that forms the upper edge of the opening of the first face member 10.

[0031] The plate thickness direction of the bottom plate 42 is along the Z-axis direction. The bottom plate 42 faces the top plate 41 in the Z-axis direction. The bottom plate 42 connects the lower end portion of the third face member 30 and the first face member 10 in the X-axis direction. In the X-axis direction, one end portion (rear end portion) of the bottom plate 42 is joined to the lower end portion of the third face member 30, and the other end portion (front end portion) of the bottom plate 42 is joined to the first face member 10. The other end portion of the bottom plate 42 is connected to a portion that forms the lower edge of the opening of the first face member 10.

[0032] As shown in FIG. 3, the thickness direction of the pair of side plates 43 and 44 is along the Y-axis direction. The pair of side plates 43 and 44 face each other in the Y-axis direction. The side plate 43 connects one end (the left end) of the third face member 30 and the first face member 10 in the X-axis direction. In the X-axis direction, one end (the rear end) of the side plate 43 is joined to one end of the third face member 30, and the other end (the front end) of the side plate 43 is joined to the first face member 10.

[0033] The side plate 44 connects the other end (the right end) of the third face member 30 and the first face member 10 in the X-axis direction. In the X-axis direction, one end (the rear end) of the side plate 44 is joined to the other end of the third face member 30, and the other end (the front end) of the side plate 44 is joined to the first face member 10.

[0034] [Vibration speaker 50] The vibration speaker 50 contacts the back surface 30b of the third face member 30 and outputs sound. The vibration speaker 50 is attached to the back surface 30b of the third face member 30. The vibration speaker 50 may be attached to the third face member 30 via, for example, mounting hardware. The vibration speaker 50 has a resonator that vibrates the third face member 30. The vibration speaker 50 is connected to an amplifier 70 (see FIG. 4) and outputs sound. The vibration speaker 50 may output, for example, music. The user can have the vibration speaker 50 output a favorite song. The sound output by the vibration speaker 50 may be anything.

[0035] The amplifier 70 may be placed on the top plate 41, may be attached to the inner surface 10a of the first face member 10, or may be attached to the inner surface 20a of the second face member 20. The amplifier 70 may be arranged at other positions.

[0036] [Partition wall 100 according to the first embodiment] The partition wall (niche structure 101) 100 according to the first embodiment includes a first face member 10, a second face member 20 facing the first face member 10 in the X-axis direction (thickness direction), a third face member 30 disposed between the first face member 10 and the second face member 20 in the X-axis direction and forming a recess 80 together with the first face member 10, a fourth face member 40 connecting the first face member 10 and the third face member 30 and forming the recess 80 together with the first face member 10 and the third face member 30, and a vibration speaker 50 in contact with the back surface 30b of the third face member 30.

[0037] According to this aspect, by providing the vibration speaker 50 in contact with the back surface 30b of the third face member 30 that forms the recess 80 of the niche structure 101, the third face member 30 can be vibrated to output sound. According to this aspect, the sound can be amplified by the recess 80 of the niche structure 101, and sound effects can be achieved. Also, according to this aspect, since the third face member 30 can be vibrated to output sound, the sound can be output from a portion with a thin wall thickness between the third face member 30 and the second face member 20. By outputting sound from the third face member 30 which is a portion with a thin wall thickness, sound leakage from the adjacent room 120 becomes less of a concern. According to the partition wall 100 of this aspect, the influence of sound leakage from the adjacent room 120 can be suppressed.

[0038] According to this aspect, by vibrating the third face member 30, sound can be output from a wider surface compared to the conventional case, so a dynamic and fantastical sound effect can be realized. According to this aspect, since sound can be output without arranging a speaker in the recess 80, the space in the recess 80 can be effectively utilized. Also, in this aspect, since the vibration speaker 50 is arranged on the back surface 30b of the third face member 30, the vibration speaker 50 cannot be seen from the outside of the partition wall 100. Therefore, a niche structure 101 with high design quality can be realized while including the vibration speaker 50.

[0039] In the partition wall 100, the third panel member 30 is formed to have a rectangular shape when viewed in the Y-axis direction. The fourth panel member 40 has a thickness direction arranged along the Z-axis direction, is connected to the upper part of the third panel member 30, and forms a top plate 41 that forms the upper part of the recess 80. The fourth panel member 40 has a thickness direction arranged along the Z-axis direction, is connected to the lower part of the third panel member 30, and forms a bottom plate 42 that forms the bottom of the recess 80. The fourth panel member 40 has a thickness direction arranged along the X-axis direction, is connected to the side part of the third panel member 30, and has a pair of side plates 43, 44 that form the side parts of the recess 80.

[0040] According to this aspect, there is a niche structure having a recess 80 formed by arranging the top plate 41, the bottom plate 42, and the pair of side plates 43, 44 so as to surround the third panel member 30. In the case of this structure, an effect of sound amplification can be obtained as compared with a structure in which the entire circumference of the third panel member 30 is not surrounded by the fourth panel member 40. In this aspect, the influence of sound leakage from the adjacent room 120 can be further reduced.

[0041] The partition wall 100 is a partition wall that partitions the living room 110. By using the niche structure 101 as a partition wall that partitions the living room 110, an effect by sound can be realized in the living room 110. According to this aspect, the influence of sound leakage from the adjacent room 120 to the living room 110 can be suppressed.

[0042] In the niche structure 101, ornaments can be arranged in the space inside the recess 80. For example, small items may be arranged, artworks may be arranged, or flowers or the like may be decorated. In the niche structure 101, since sound can be output from the space of the recess 80, a visual effect can be exhibited and an effect by sound can be exhibited. Further, a television or the like may be arranged in the space inside the recess 80, and the sound of the television may be output from the vibration speaker 50. According to the niche structure 101 having this configuration, the user can experience a more immersive feeling than a general television speaker.

[0043] [Partition wall 100B according to the second embodiment] Next, the partition wall 100B according to the second embodiment will be described. FIG. 4 is a cross-sectional view of the partition wall 100B according to the second embodiment, showing a cross-section along the YZ plane. FIG. 5 is a cross-sectional view of the partition wall 100B according to the second embodiment, showing a cross-section along the XY plane. The differences between the 100B according to the second embodiment shown in FIGS. 4 and 5 and the partition wall 100 shown in FIGS. 2 and 3 are that it includes a support mechanism 60 for supporting the vibration speaker 50, the upper part of the recess 80 is formed so as to overlap the first facing material 10 when viewed in the Y-axis direction, an illumination 90 is provided at the upper part of the recess 80, and an opening 75 is formed in the top plate 41. In the description of the second embodiment, descriptions similar to those of the first embodiment may be omitted.

[0044] [Support mechanism 60] The partition wall 100B includes a support mechanism 60 that supports the vibration speaker 50 so as to be movable in the vertical direction. The support mechanism 60 has a suspension rod 61 and a connecting rod 62. The suspension rod 61 supports the vibration speaker 50 from above. The suspension rod 61 extends in the Z-axis direction. The suspension rod 61 is movable in the vertical direction. The suspension rod 61 is disposed at the center of the third facing material 30 in the X-axis direction. The vibration speaker 50 is connected to the lower end of the suspension rod 61. The vibration speaker 50 is supported by the suspension rod 61 and is movable in the vertical direction.

[0045] The connecting rod 62 extends in the Y-axis direction and supports the suspension rod 61 so as to be movable. One end of the connecting rod 62 is fixed to the inner surface 10a of the first facing material 10. The other end of the connecting rod 62 is connected to the suspension rod 61. The suspension rod 61 supports the connecting rod 62 and supports it so as to be slidable in the vertical direction.

[0046] The support mechanism 60 may manually move the suspension rod 61 in the vertical direction, or may use an actuator to move the suspension rod 61 in the vertical direction. Further, the support mechanism 60 may include a support mechanism for fixing the height position of the suspension rod 61. The support mechanism 60 can fix the height position of the suspension rod 61. The support mechanism 60 includes, for example, a screw or the like, and by tightening the screw, the suspension rod 61 can be fixed, and by loosening the screw, the suspension rod 61 may be movable.

[0047] The user can move the vibration speaker 50 to a position above the top plate 41 by moving the suspension rod 61 upward. By moving the suspension rod 61 in the vertical direction, the vibration speaker 50 can be held at a predetermined height.

[0048] [Recess 80] As shown in FIG. 4, the upper part of the recess 80 is formed to a position overlapping the first surface member 10 when viewed in the Y-axis direction. The upper part of the recess 80 includes a space in contact with the inner surface 10a of the first surface member 10. The upper part 30c of the third surface member 30 is formed so as to overlap the part 10c of the first surface member 10 when viewed in the Y-axis direction. The part 10c is a part that forms the upper edge of the opening of the first surface member 10. The part 10c is a part that overlaps the upper part 30c of the third surface member 30 when viewed in the Y-axis direction. The space between the part 10c of the first surface member 10 and the upper part 30c of the third surface member 30 forms the upper part of the recess 80. When viewed in the Y-axis direction, the upper part of the recess 80 is covered by the part 10c of the first surface member 10. Other parts of the recess 80 may be covered by the first surface member 10. For example, the lower part of the recess 80 may be covered by the first surface member 10, and the side part of the recess 80 may be covered by the first surface member 10. The size and shape of the opening formed in the first surface member 10 do not have to be the same as the size and shape of the third surface member 30.

[0049] [Top plate 41] The top plate 41 is disposed above the upper part of the recess 80. In the Y-axis direction, one end (rear end) of the top plate 41 is connected to the upper part 30c of the third panel member 30. The other end (front end) of the top plate 41 is connected to the portion 10c of the first panel member 10. The portion 10c of the first panel member 10 may be a portion that protrudes downward from the top plate 41.

[0050] [Lighting 90] The partition wall 100B includes a lighting 90 that illuminates the inside of the recess 80. The lighting 90 may be, for example, an LED light source. The lighting 90 is disposed at the upper part of the recess 80. The lighting 90 is attached to the inner surface (back surface) 10a of the portion 10c of the first panel member 10. The lighting 90 is not visible as it is covered by the portion 10c of the first panel member 10 when viewed in the Y-axis direction. The position where the lighting 90 is attached is not limited to the inner surface 10a of the portion 10c. The lighting 90 may be attached to the lower surface of the top plate 41.

[0051] [Opening 75] As shown in FIG. 5, an opening 75 is formed in the top plate 41. The opening 75 penetrates in the Z-axis direction. A lid that can be opened and closed may be attached to the opening 75. The opening 75 communicates the space inside the recess 80 with the space outside the recess 80. The space outside the recess 80 includes, as shown in FIG. 4, the space above the top plate 41 and the space between the third panel member 30 and the second panel member 20. The user can inspect the amplifier 70 and the vibration speaker 50 through the opening 75. The user can perform maintenance on the amplifier 70 and the vibration speaker 50 through the opening 75. The user may, for example, insert a camera through the opening 75 to inspect the amplifier 70 and the vibration speaker 50.

[0052] Further, the user can insert a hand through the opening 75, operate the support mechanism 60, slide the suspension rod 61 upward, and lift the vibration speaker 50 to a predetermined height. By moving the vibration speaker 50 near the top plate 41, it becomes easier to perform inspections and maintenance. In FIG. 4, the suspension rod 61 and the vibration speaker 50 in the lifted state are shown by virtual lines (two-dot chain lines).

[0053] [Amplifier 70] As shown in FIGS. 4 and 5, an amplifier 70 is mounted on the top plate 41. The amplifier 70 amplifies an audio signal and outputs it to the vibration speaker 50. As shown in FIG. 5, the amplifier 70 is disposed on the top plate 41 at a portion where the opening 75 is not formed.

[0054] [Function and Effect of Partition Wall 100B According to Second Embodiment] The partition wall 100B according to the second embodiment exhibits the same function and effect as the partition wall 100 according to the first embodiment described above. Also in the partition wall 100B, since the vibration speaker 50 is disposed on the back surface 30b of the third face member 30, the third face member 30 can be vibrated to output sound. Sound can be transmitted from the third face member 30 into the recess 80. According to the niche structure 101, an effect by sound is possible.

[0055] Further, the partition wall 100B includes a support mechanism 60 that supports the vibration speaker 50 so as to be movable in the vertical direction, and the support mechanism 60 has a suspension rod 61 that supports the vibration speaker 50 from above.

[0056] According to the partition wall 100B of this configuration, the vibration speaker 50 can be suspended and arranged from above using the suspension rod 61. Further, since the vibration speaker 50 can be moved in the vertical direction, for example, when maintaining the vibration speaker 50, the vibration speaker 50 can be moved above the third panel material 30 to perform maintenance. Therefore, when maintaining the vibration speaker 50, it is not necessary to remove the third panel material 30. According to this aspect, maintenance of the vibration speaker 50 disposed on the back surface 30b of the third panel material 30 can be performed without providing an opening in the third panel material 30.

[0057] Further, the partition wall 100B includes an amplifier 70 connected to the vibration speaker 50. The fourth panel material 40 has a thickness direction arranged along the vertical direction, is connected to the upper portion 30c of the third panel material 30, and includes a top plate 41 disposed above the recess 80. The amplifier 70 is placed on the top plate 41, and an opening 75 penetrating in the vertical direction is formed in the top plate 41.

[0058] According to the partition wall 100B of this configuration, since the amplifier 70 can be placed on the top plate 41 formed above the recess 80, the upper surface of the top plate can be utilized as the arrangement space for the amplifier 70. Further, since the opening 75 is formed in the top plate 41, maintenance of the amplifier can be performed through the opening 75. Further, maintenance of the vibration speaker 50 may be performed through the opening 75. In this aspect, the top plate 41 is disposed on the back side of the portion 10c of the first panel material 10, and the opening 75 is formed in this top plate 41. Therefore, the opening 75 can be arranged at a position where it is not visible from the front. Therefore, the design property is not impaired by the inspection opening 75.

[0059] Further, in the partition wall 100B, the upper portion of the recess 80 includes a space in contact with the back surface of the portion 10c of the first panel material 10. An illumination 90 is disposed in the upper portion of the recess 80, attached to the back surface of the portion 10c of the first panel material 10, and illuminating the inside of the recess 80. The top plate 41 is disposed above the illumination 90.

[0060] According to this aspect, since the lighting 90 is provided above the recess 80, the inside of the recess 80 can be illuminated from above, and in addition to the sound effect, a light effect can be achieved, further enhancing the effect in the niche structure 101. Also, since the lighting 90 is attached to the back surface of the first facing material 10, the lighting 90 can be hidden from the front side, and an effect as indirect lighting can be achieved. Further, in this aspect, maintenance of the amplifier 70 and the vibration speaker 50 can be performed through the opening 75 of the top plate 41 disposed above the lighting 90.

[0061] [Partition wall 100 according to the first modification example] The partition wall 100 according to the first modification example may be arranged such that the first facing material 10 faces the entrance and the second facing material 20 faces the toilet. Thereby, sound can be output from the third facing material 30 toward the entrance. According to the partition wall 100, the influence of sound leakage from the toilet, which is an adjacent room, to the entrance can be suppressed. According to the prior art, sound might leak from the recess 80 with a thin wall thickness, but according to the niche structure 101, by outputting sound from the vibration speaker 50, the influence of sound leakage from an adjacent room that one does not want others to hear can be suppressed. Note that the arrangement of the partition wall 100 is not limited, and the recess 80 formed in the first facing material 10 may be directed toward the inside of the toilet. Also, recesses 80 facing opposite sides may be formed on both the first facing material 10 and the second facing material 20.

[0062] [Partition wall 100 according to the second modification example] In the partition wall 100 according to the second modification example, the recess 80 may be continuous in the vertical direction. For example, the third facing material 30 may be formed to be continuous from the floor to the ceiling. Also, the partition wall 100 according to the modification example may include a plurality of third facing materials 30 arranged at different positions in the thickness direction. Further, in the partition wall 100 according to the modification example, the fourth facing material 40 may be formed to project from the first facing material 10 to the outer surface. Also, the fourth facing material 40 may include a plate-like member disposed at an intermediate position of the recess 80 in the vertical direction.

[0063] [Partition wall 100 according to the third modification example] In the partition wall 100 according to the third modification example, the support mechanism 60 may move the vibration speaker 50 downward. In the partition wall 100, the vibration speaker 50 may be moved to a position below the third facing material 30 to perform inspection and maintenance of the vibration speaker 50. The support mechanism 60 may move the vibration speaker 50 in the X-axis direction, which is the wall width direction of the partition wall 100, or may move it in the Y-axis direction, which is the thickness direction of the partition wall 100. Further, the partition wall 100 may be provided with a guide portion for guiding the moving direction of the vibration speaker 50. The guide portion includes, for example, a guide rail and a guide groove.

[0064] In addition, other embodiments in which other components are combined with the configurations and the like described in the above embodiments may be possible, and the present invention is not limited to the configurations shown here. In this regard, it can be changed without departing from the gist of the present invention and can be appropriately determined according to the application form.

[0065] In the above embodiment, the case where the notch structure 101 is formed in the partition wall 100 has been described, but the notch structure 101 may be between the floors (as it is). In the case of this structure, the vibration speaker 50 is provided at the center of the third facing material 30, which is the inner wall portion. The center of the third facing material 30 is the center when the third facing material 30 is viewed in the thickness direction of the third facing material 30.

[0066] Further, in the notch structure 101 between the floors, a hanging wall may be provided. The notch structure 101 may include the first facing material 10, which is a hanging wall. For example, when the notch structure 101 is provided by utilizing the hanging wall, the opening 75, which is an inspection opening, can also be provided without impairing the design. The opening 75, which is an inspection opening, may be provided at a position hidden by the hanging wall and difficult to see.

[0067] Also, the opening 75 which is the inspection opening may be provided on the top plate 41 or on the bottom plate 42. The opening 75 which is the inspection opening may be at the upper part or at the lower part. The opening 75 which is the inspection opening may be provided on the first facing material 10, on the second facing material 20, on the third facing material 30, or on the fourth facing material.

Explanation of Signs

[0068] 101: Notch structure 10: First facing material 20: Second facing material 30: Third facing material 30b: Back surface (back surface of the third facing material) 40: Fourth facing material 50: Vibration speaker 60: Support mechanism 61: Suspension rod 62: Connecting rod 70: Amplifier 75: Opening 80: Recess 100, 100B: Partition wall 110: Living room X: X-axis direction (wall width direction) Y: Y-axis direction (thickness direction of the partition wall) Z: Z-axis direction (vertical direction)

Claims

1. a first face member, a second face member facing the first face member in the thickness direction, a third face member disposed between the first face member and the second face member in the thickness direction and forming a recess together with the first face member, a fourth face member connecting the first face member and the third face member and forming the recess together with the first face member and the third face member, a vibration speaker in contact with the back surface of the third face member, characterized in that it comprises a niche structure.

2. comprising a support mechanism for supporting the vibration speaker so as to be movable in the vertical direction, the support mechanism, having a suspension rod for supporting the vibration speaker from above, the niche structure according to claim 1.

3. comprising an amplifier connected to the vibration speaker, the fourth face member has a thickness direction arranged along the vertical direction, is connected to the upper part of the third face member, and includes a top plate disposed above the recess, the amplifier is placed on the top plate, the niche structure according to claim 1, wherein an opening penetrating in the vertical direction is formed in the top plate.

4. the upper part of the recess includes a space in contact with the back surface of the first face member, a lighting device for illuminating the inside of the recess and attached to the back surface of the first face member is disposed above the recess, the niche structure according to claim 3, wherein the top plate is disposed above the lighting device.

5. the third face member is formed to have a rectangular shape when viewed in the thickness direction of the third face member, the fourth face member, has a thickness direction arranged along the vertical direction, is connected to the upper part of the third face member, and forms a top plate for forming the upper part of the recess, has a thickness direction arranged along the vertical direction, is connected to the lower part of the third face member, and forms a bottom plate for forming the bottom of the recess, has a pair of side plates having a thickness direction arranged along the horizontal direction, connected to the side parts of the third face member, and forming the side parts of the recess, the niche structure according to claim 1.

6. The niche structure according to claim 1, characterized in that it is an intermediate partition wall for partitioning a living room.

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