JP3164660U - Soundproof louver - Google Patents

Abstract

The present invention provides a soundproof louver that sufficiently retains various functions such as ventilation, smoke exhaustion, daylighting, etc., and does not deteriorate the soundproofing effect and soundproofing effect. SOLUTION: A plurality of soundproof louvers in which two slat members made of a plate body having an outer shape in a longitudinal section are arranged at intervals at an external position opposite to each other in a longitudinal section are horizontally stacked. A horizontal soundproof louver formed by arranging the two slat members in a laterally-shaped outer hem shape, and arranging a sound absorbing material on each abdomen of each of the two slat members. Each of the sound absorbing materials is held by a porous holding plate member, and a plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the vertical direction. [Selection] Figure 4

Description

  The present invention relates to soundproof louvers that are installed on the outer walls of buildings, various factories, power plants, commercial facilities, gymnasiums, indoor pools, warehouses, houses, etc. The present invention relates to a high-performance soundproof louver configured to be circulated inside.

  Soundproof and waterproof louvers are installed at ventilation openings of buildings. For this reason, as long as it has a noise blocking action, it can be soundproofed and soundproofed. FIG. 11 shows an example of the soundproof and waterproof louver (Japanese Patent Laid-Open No. 61-098890). As shown in FIG. 11, the blade-shaped blade member 21 having a cross-section in the form of water return protrusions 22, 23 is arranged in parallel with each other, and the sound-absorbing material 24 made of glass wool or the like is disposed on the inner surface of the chevron. Is arranged.

  Japanese Laid-Open Patent Publication Nos. 4-194186 and 11-182152 are known as vertical silencing louvers that can prevent rainwater from entering in an outdoor installation type.

JP 61-098890 A Japanese Patent Laid-Open No. 04-194186 JP-A-11-182152

  Among them, the vertical soundproof louver disclosed in Japanese Patent Application Laid-Open No. 04-194186 includes an outer peripheral frame having a pair of horizontal horizontal bars at the upper and lower positions, and a large number of blades fixed vertically between both horizontal bars. It is a vertical soundproof louver that forms a ventilation gap. And the vane is provided in a continuous arrangement in the direction perpendicular to the thickness direction at the rear edge of the front side having a short slope part and a long slope part with different widths on the left and right sides and the rear edge of the long slope part. And a large water return protrusion provided on the front surface of each open side edge of the short inclined portion and the rear plate portion. Between each blade adjacent to each other, by arranging one short inclined portion and the other rear surface plate portion so as to overlap in the front-rear direction, a number of zigzag-shaped ventilation gaps leading back and forth are formed between them, In addition, sound absorbing materials such as glass wool are fixed to the back surface of the chevron and the front surface of the rear flat plate portion, respectively.

  Further, the saddle type soundproof waterproof louver disclosed in Japanese Patent Application Laid-Open No. 11-182152 is configured by arranging a plurality of blade plate members made of a belt-like plate body in the vertical direction. FIG. 12 shows an example of this. As shown in FIG. 12, the slat member made of the strip-shaped plate body is formed in a cross section in the width direction, that is, the cross section in the width direction from the indoor side to the outdoor side, and the abdomen is packed in a storage bag or a sheet The wrapped sound absorbing material 47 is arranged and held by porous holding plate members 48 and 49 such as punching metal, and the back side of the bent portion 35 in the width direction of the blade plate member and the indoor side end portion are directed to the outdoor side. A projecting piece 37 is provided.

  As a result, the vertical soundproof waterproof louver disclosed in Japanese Patent Application Laid-Open No. 11-182152 retains various functions such as the original waterproof, ventilating, smoke exhausting, and daylighting of the vertical waterproof louver while maintaining the soundproofing effect and sound insulation even during rain. The effect is not reduced.

  The present invention further improves and improves the conventional soundproof louver as described above, and maintains the functions of ventilation, smoke exhaustion, daylighting, etc., and does not deteriorate the soundproofing effect or soundproofing effect even during rain. Is intended to provide.

In the present invention, (1) a plurality of soundproof louvers are formed by disposing two slat members made of a plate body having an outer shape in the longitudinal cross section at external positions facing each other in the longitudinal section. A horizontal soundproof louver arranged horizontally, wherein the soundproof louver is
(A) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(B) A sound absorbing material is disposed on each abdomen of each of the two blade plate members, and each of the sound absorbing materials is held by a porous holding plate member, and
(C) A horizontally stacked soundproof louver in which a plurality of the soundproof louvers are arranged and fixed in a frame at intervals in the vertical direction.

The present invention includes (2) a plurality of soundproof louvers in which two blade plate members each having a plate-like outer shape in the longitudinal section are arranged at intervals at external positions opposite to each other in the longitudinal section. A vertically stacked soundproof louver arranged in a vertically stacked manner, wherein the soundproof louver is
(A) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(B) A sound absorbing material is disposed on each abdomen and the sound absorbing material is held by the porous holding plate member, and
(C) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the horizontal direction.
This is a vertically stacked soundproof louver.

In the present invention, (3) two blade plate members each having a plate-like outer shape in the longitudinal cross section are arranged at intervals at external positions facing each other in the vertical cross section via a spacing member. A horizontal soundproof louver formed by horizontally arranging a plurality of soundproof louvers, wherein the soundproof louver is,
(A) The interval holding member is an interval holding member having a quadrangular cross section or a rectangular cross section,
(B) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(C) A sound absorbing material is disposed on each abdomen and the sound absorbing material is held by the porous holding plate member, and
(D) A horizontal soundproof louver characterized in that a plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the vertical direction.

In the present invention, (4) two blade plate members each having a plate-like outer shape in the vertical cross section are arranged at intervals at external positions facing each other in the vertical cross section via a spacing member. A vertically stacked soundproof louver in which a plurality of soundproof louvers are arranged vertically, wherein the soundproof louver is (a) the space holding member is a space holding member having a rectangular cross section or a rectangular cross section,
(B) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(C) A sound absorbing material is disposed on each abdomen and the sound absorbing material is held by the porous holding plate member, and
(D) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the horizontal direction.
This is a vertically stacked soundproof louver.

In the present invention, (5) two blade plate members each having a plate-like outer shape in the vertical cross section are arranged at intervals at external positions facing each other in the vertical cross section via a spacing member. A horizontal soundproof louver in which a plurality of soundproof louvers are arranged horizontally, wherein the soundproof louver is (a) the space retaining member is a space retaining member having a triangular cross section,
(B) Each of the blade members is configured in a longitudinal cross-sectional shape, and
(C) A sound absorbing material is disposed on the abdomen and each sound absorbing material is held by a porous holding plate member; and
(D) A horizontal soundproof louver characterized in that a plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the vertical direction.

In the present invention, (6) two blade plate members each having a plate-like outer shape in the vertical cross section are arranged at intervals at external positions facing each other in the vertical cross section via a spacing member. A vertically stacked soundproof louver in which a plurality of soundproof louvers are arranged vertically, wherein the soundproof louver is (a) the spacing member is a spacing member having a triangular cross section,
(B) Each of the blade members is configured in a longitudinal cross-sectional shape, and
(C) A sound absorbing material is disposed on the abdomen and each sound absorbing material is held by a porous holding plate member; and
(D) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the horizontal direction.
This is a vertically stacked soundproof louver.

  According to the soundproof louver of the present invention, a high soundproofing effect and soundproofing effect can be obtained while maintaining various functions such as waterproofing, ventilation, smoke exhaustion, and daylighting.

<Soundproof louver structure that is the premise of the present invention>
First, the structure of the soundproof louver which is the premise of the present invention will be described. 1-3 is a figure explaining the structure.

  The structure of the soundproof louver uses a slat plate member composed of plates 1 and 2 whose outer sides have a rectangular cross section as a basic member. As shown in FIG. 1B, the plate bodies 1 and 2 whose outer sides have a rectangular shape in cross section have a bent portion K1 at the boundary between the plate body 1 and the plate body 2. Among them, the plate body 1 portion extends upward, curves inwardly above, and has a drooping plate bent downward as indicated by reference numeral 4 at its end. On the other hand, the plate body 2 extends downward and includes a curved folded portion 3 on the inner side at the lower end thereof. The plate 1 and the plate 2 are not separate plates but a single plate and are formed by bending a single plate, but are integrally formed by extrusion molding, for example.

  A plate-like member 5 extending inward is provided in the middle of extending upward from the bent portion K1 of the boundary between the plates 1 and 2. The plate member 5 is provided with a plate body 6 at the other end. In the aspect shown in FIG. 1, the plate-like member 5 has a bent portion K <b> 2 on the way, but the bent portion K <b> 2 is not essential and may be linear in cross section. Further, the plate body 6 is provided at a position below (directly below) the hanging plate 4 with an interval from the lower end of the hanging plate 4, and includes a hanging plate 7 bent obliquely downward at the lower end. K3 is the bent portion. The plate body 6 and the drooping plate 7 are not separate plates but are formed as a single plate and are formed by bending a single plate, but are integrally formed by extrusion molding, for example.

  FIG. 2 (a) is a view showing a blade plate member made up of plates 1 and 2 whose outer sides are in the shape of a square section. The sound absorbing material 10 is disposed on the abdomen of the slat member shown in FIG. The sound absorbing material 10 is arranged by packing it in a storage bag or by wrapping it with a sheet. And the sound-absorbing material 10 arranged in this way is held by a porous holding plate member (porous plate) 11 such as punching metal. Reference numeral 12 denotes a bolt for fixing the porous holding plate member 11 to the hanging plate 7. The lower end portion of the porous holding plate member 11 is locked by the folded portion 3 curved inward. As the sound absorbing material, a sound absorbing material made of glass wool or synthetic fiber is used. Plastic or the like is used as the material for the storage bag or sheet, and the plastic material is not particularly limited, and fluororesin-based materials are also effective.

  The soundproof louver thus configured is directly fixed to a fixing material (also referred to as a frame) 20 such as a steel frame material, as shown in FIG. FIG. 1 (a) shows a case of fixing with bolts and nuts, but the soundproof louver is fixed by an appropriate means or method such as fixing to a fixing material through a screw hole 8. Can do. In the embodiment through the screw hole 8, in FIG. 1 (a), a fixing material such as a steel frame is arranged on the front surface side (front side of the paper) and the back surface side (the side facing the paper surface), and the screw is fixed from the fixing material side. It can be fixed by screwing into the screw hole 8 through a material. FIG. 1 (a) shows an embodiment in which two soundproof louvers are arranged at intervals in the vertical direction, but the number thereof can be selected as appropriate.

  In addition to these configurations, as shown in FIG. 3, an air layer can be provided on the side of the blade member facing the sound source in the inner space where the soundproofing material is fitted. In FIG. 3, as indicated by reference numeral 9, an interval holding member that maintains an interval of a predetermined width is provided between the inside of the plate body 1 and the soundproofing material. A space having a predetermined width by the space holding member, that is, an air layer is formed between the inner surface of the plate 1 and the soundproofing material, and the soundproofing effect can be further enhanced by the air layer.

<Aspect of the present invention (1)>
In the present invention (1), a plurality of soundproof louvers are formed by disposing two blade plate members each having a plate-like outer shape in the longitudinal cross section at external positions opposite to each other in the vertical cross section. This is a horizontal soundproof louver arranged horizontally. And the soundproof louver is
(A) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(B) A sound absorbing material is disposed on each abdomen of each of the two blade plate members, and each of the sound absorbing materials is held by a porous holding plate member, and
(C) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the vertical direction.

  4-5 is a figure explaining the aspect of the soundproof louver of this invention (1). FIG. 4A is a view showing an aspect in which a soundproof louver is installed, and FIG. 4B is a view of FIG. 4A as viewed from above. FIG. 4C is a perspective view of one of the three soundproof louvers shown in FIG. Reference numeral 30 denotes a frame body (also referred to as a housing or a support body) for mounting the soundproof louver, and reference numeral 31 denotes a bottom plate inclined downward toward the outside.

  Here, since FIGS. 4A to 4B and FIG. 5 are cross-sectional views, the blade plate member constituting each soundproof louver and the cross section of the soundproof material disposed on the abdomen thereof can be seen. . A plate body, perforated plate, mesh, or the like is disposed on the front surface side (front side of the paper surface) and the back surface side (side of the paper surface), corresponding to the position where the screw hole 8 is located and corresponding to the screw hole 8. A fixing material (frame body, frame, support) such as a steel frame member having a hole to be formed is disposed, but illustration thereof is omitted. This also applies to FIGS. 6 to 10 according to aspects of the present inventions (2) to (6).

  In the present invention (1), a case is shown in which three soundproof louvers are arranged vertically at equal intervals in the housing, but the number thereof is set appropriately as 2, 4, 5,... be able to. This also applies to other inventions [that is, the inventions other than the invention (1)]. In this specification, to horizontally stack soundproof louvers means to arrange soundproof louvers as shown in FIGS. FIG. 5 is a diagram showing a process from two blade members to a soundproof louver installed by the present invention (1).

  Each soundproof louver is screwed and fixed to a frame (also referred to as a housing or a support) through its screw holes 8 (see FIGS. 1 to 3 and 5). Referring to FIG. 4A as an example, each of the left and right blade plates (each blade member) is provided with four screw holes 8 and a total of eight screw holes 8 on the left and right sides. The number of screw holes can be appropriately selected as long as the fixing role can be achieved. The same applies to the aspects of the present inventions (2) to (6).

  Speaking of the cross-sectional view shown in FIG. 4 (a), the frame body arranged on the near side (front side) perpendicular to the paper surface and the frame body side arranged on the opposite side (back side) perpendicular to the paper surface respectively through the frame body It can be fixed by screwing a screw. That is, the screw can be fixed to the frame body by screwing a screw (vis) or a screw (screw) toward the screw hole 8 of the blade member. These points also apply to other present inventions (that is, the present invention other than the present invention (1)).

  As the soundproofing material, glass wool, glass cloth, rock wool, plastic fiber, metal fiber (metal thin wire) such as aluminum, aluminum alloy, or stainless steel is used. The soundproofing material used in the present invention is not limited to those exemplified soundproofing materials.

<Aspect of the present invention (2)>
In the present invention (2), a plurality of soundproof louvers are formed by arranging two blade members each having a plate-like outer shape in the longitudinal cross section at external positions facing each other in the vertical cross section. It is a vertically stacked soundproof louver that is arranged vertically. And the soundproof louver is
(A) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(B) A sound absorbing material is disposed on each abdomen and the sound absorbing material is held by the porous holding plate member, and
(C) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the horizontal direction.
It is characterized by that.

  FIG. 6 is a diagram for explaining an aspect of the soundproof louver of the present invention (2). FIG. 6A is a view showing a state in which a soundproof louver is installed, and FIG. 6B is a cross-sectional view taken along line AA in FIG. 6A. Reference numeral 30 denotes a frame (also referred to as a housing or a support) for mounting the soundproof louver.

  In the present invention (2), there is shown a case where four soundproof louvers are arranged at equal intervals in the left-right arrangement in the housing. In this specification, stacking the soundproof louvers means that the soundproof louvers are arranged as shown in FIG. Since FIG. 6B is a cross-sectional view, each soundproof louver extends from the front side of the paper to the back side of the paper, the end on the front side of the paper is the upper end of each soundproof louver, and the end on the back side of the paper is each soundproof louver. It becomes the lower end of the louver. The process from the two blade members to the soundproof louver installed in the present invention (2) is as shown in FIG.

  Each soundproof louver is screwed and fixed to a frame (also referred to as a housing) 30 through its screw holes 8 (see FIGS. 1 to 3 and 5). Referring to FIG. 6B as an example, each of the blades in the upper and lower pairs is provided with four screw holes 8 and a total of eight screw holes 8 on the left and right. In the cross-sectional view shown in FIG. 6B, screws are screwed through the frame body from the frame body on the front side (front side) perpendicular to the paper surface and the frame body side on the opposite side (back side) perpendicular to the paper surface. Can be fixed. This also applies to other inventions [that is, the inventions other than the invention (2)].

<Aspect of the present invention (3)>
In the present invention (3), two blade plate members each having a plate-like outer shape in the longitudinal cross section are arranged at intervals at external positions facing each other in the vertical cross section via a spacing member. A horizontal soundproof louver in which a plurality of soundproof louvers are arranged horizontally. And the soundproof louver is
(A) The interval holding member is an interval holding member having a quadrangular cross section or a rectangular cross section,
(B) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(C) A sound absorbing material is disposed on each abdomen and the sound absorbing material is held by the porous holding plate member, and
(D) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the vertical direction.

  FIG. 7 is a diagram for explaining an aspect of the soundproof louver of the present invention (3). FIG. 7A is a view showing an aspect in which a soundproof louver is installed, and FIG. 7B is a view of FIG. 7A as viewed from above. FIG. 7 (c) is a view showing an interval holding member, that is, an attachment (attachment having a width X) S according to the soundproof louver of the present invention (3). As shown in FIG. 7C, the width of the entire soundproof louver can be adjusted by increasing or decreasing the width X of the attachment S.

  By arranging the attachment S having a width as shown in FIG. 7A, the width of the soundproof louver can be increased, and the sound absorption performance and soundproof performance can be further enhanced. Moreover, by arranging the soundproofing material on the attachment S itself having a width as shown in FIG. 7A, the sound absorbing performance and soundproofing performance of the soundproof louver can be further enhanced. The attachment S and the soundproof louvers on both the left and right sides sandwiching the attachment S can be integrated by fitting.

<Aspect of the present invention (4)>
In the present invention (4), two blade plate members each having a plate-like outer shape in the vertical cross section are arranged at intervals at external positions facing each other in the vertical cross section via a spacing member. This is a vertically stacked soundproof louver in which a plurality of soundproof louvers are arranged vertically. And the soundproof louver is
(A) The interval holding member is an interval holding member having a quadrangular cross section or a rectangular cross section,
(B) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(C) A sound absorbing material is disposed on each abdomen and the sound absorbing material is held by the porous holding plate member, and
(D) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the horizontal direction.
It is characterized by that.

  FIG. 8 is a diagram for explaining an aspect of the soundproof louver of the present invention (4). The soundproof louver of the present invention (4) corresponds to a vertically stacked installation of the soundproof louver of FIG. 7 which is the soundproof louver of the present invention (3). FIG. 8A is a view showing a state in which a soundproof louver is installed, and FIG. 8B is a cross-sectional view taken along line AA in FIG. 8A. Reference numeral 30 denotes a frame (also referred to as a housing) for mounting the soundproof louver.

  FIG. 8 (c) is a view showing an interval holding member, that is, an attachment (attachment having a width X) S according to the soundproof louver of the present invention (4). As shown in FIG. 8C, the width of the entire soundproof louver can be adjusted by increasing or decreasing the width X of the attachment S.

  FIG. 8B shows a case where three soundproof louvers are arranged at equal intervals in the left-right arrangement in the housing, but the required number of soundproof louvers can be arranged. In the present invention (4), vertically stacking soundproof louvers means arranging the soundproof louvers as shown in FIG. Each soundproof louver is screwed and fixed to a frame (also referred to as a housing) 30 through its screw holes 8 (see FIGS. 1 to 3 and 5).

<Aspect of the present invention (5)>
In the present invention (5), two blade plate members each having a plate-like outer shape in the vertical cross section are arranged at intervals at external positions facing each other in the vertical cross section via a spacing member. A horizontal soundproof louver in which a plurality of soundproof louvers are arranged horizontally. And the soundproof louver is
(A) The spacing member is a spacing member having a triangular cross section;
(B) Each of the blade members is configured in a longitudinal cross-sectional shape, and
(C) A sound absorbing material is disposed on the abdomen and each sound absorbing material is held by a porous holding plate member; and
(D) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the vertical direction.

  FIG. 9 is a diagram for explaining an embodiment of the soundproof louver of the present invention (5). FIG. 9A is a view showing a mode in which a soundproof louver is installed, and FIG. 9B is a view of FIG. 9A as viewed from above. FIG. 9 (c) is a view showing an interval holding member, that is, an attachment (attachment having an angle θ) T according to the soundproof louver of the present invention (5). As shown in FIG. 9C, the inclination angle of the soundproof louvers on both sides of the attachment T can be adjusted by increasing or decreasing the angle θ of the attachment T.

  As shown in FIG. 9A, by disposing the attachment T having an angle θ, the spread angle between the pair of soundproof louvers is widened (the angle between the soundproof louvers on both sides is widened), and the two soundproof louvers are pulled. The width between them can be widened. Thereby, an aperture ratio can be enlarged more and sound absorption performance and soundproof performance can be improved more. Moreover, as shown in FIG. 9A, the sound absorption performance and soundproof performance of the soundproof louver can be further improved by arranging the soundproofing material on the attachment T itself having the angle θ.

  The attachment T and the soundproof louvers on both the left and right sides sandwiching the attachment T can be integrated in a fitting manner. In addition, the attachment T is provided with a screw hole at a location indicated by, for example, a symbol Z (arrow) in FIG. 9C, and in the cross-sectional view shown in FIG. 9A, the attachment T is perpendicular to the paper surface (front side). It can be fixed by appropriate means such as fixing by screwing screws into screw holes through the respective frame bodies from the frame body side at right angles to the frame body and the paper surface on the other side (back side). This also applies to the present invention (6).

<Aspect of the present invention (6)>
In the present invention (6), two blade plate members each having a plate-like outer shape in the vertical cross section are arranged at intervals at external positions facing each other in the vertical cross section via a spacing member. This is a vertically stacked soundproof louver in which a plurality of soundproof louvers are arranged vertically. And the soundproof louver is
(A) The spacing member is a spacing member having a triangular cross section;
(B) Each of the blade members is configured in a longitudinal cross-sectional shape, and
(C) A sound absorbing material is disposed on the abdomen and each sound absorbing material is held by a porous holding plate member; and
(D) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the horizontal direction.
It is characterized by that.

  FIG. 10 is a diagram for explaining an embodiment of the soundproof louver of the present invention (6). The soundproof louver of the present invention (6) corresponds to the soundproof louver of FIG. 9 which is the soundproof louver of the present invention (5), which is vertically stacked (the soundproof louvers are vertically installed). Yes. FIG. 10A is a view showing a state in which a soundproof louver is installed, and FIG. 10B is a cross-sectional view taken along line AA in FIG. Reference numeral 30 denotes a frame (also referred to as a housing) for mounting the soundproof louver.

  FIG. 10 (c) is a view showing an interval holding member, that is, an attachment (attachment having an angle θ) T according to the soundproof louver of the present invention (6). As shown in FIG. 10C, the width of the entire soundproof louver can be adjusted by increasing or decreasing the angle θ of the attachment T. Here, the “width of the soundproof louver as a whole” means a width obtained by combining the width of the attachment T and the widths of both soundproof louvers across the attachment T.

  FIG. 10B shows a case where three soundproof louvers are arranged at equal intervals in the left-right vertical arrangement in the housing, but the necessary number of soundproof louvers can be arranged. In the present invention (6), vertically stacking soundproof louvers means arranging the soundproof louvers as shown in FIG. Each soundproof louver is screwed and fixed to a frame (also referred to as a housing) 30 through its screw holes 8. It can fix with respect to the frame 30 by screwing a vis or a screw (screw: screw) toward the screw hole 8 of a blade member from the frame 30 side.

  As shown in FIG. 10C, the inclination angle of the soundproof louvers on both sides of the attachment T can be adjusted by increasing or decreasing the angle θ of the attachment T. By arranging the attachment T having the angle θ as shown in FIGS. 10B to 10C, the inclination angle of the soundproof louvers on both sides of the attachment T is widened, and the width of both soundproof louvers is widened to the end. Therefore, the sound absorption performance and sound insulation performance can be further enhanced.

  Moreover, as shown in FIG. 10A, the sound absorbing performance and soundproof performance of the soundproof louver can be further improved by arranging the soundproofing material on the attachment T itself having the angle θ. The attachment T and the soundproof louvers on both the left and right sides sandwiching the attachment T can be integrated in a so-called fitting manner.

FIG. 1 is a diagram for explaining the structure of a soundproof louver which is a premise of the present invention. FIG. 2 is a diagram for explaining the structure of a soundproof louver which is a premise of the present invention. FIG. 3 is a diagram for explaining the structure of a soundproof louver which is a premise of the present invention. FIG. 4 is a diagram for explaining an aspect of the soundproof louver of the present invention (1). FIG. 5 is a diagram for explaining an aspect of the soundproof louver of the present invention (1). FIG. 6 is a diagram for explaining an aspect of the soundproof louver of the present invention (2). FIG. 7 is a diagram for explaining an aspect of the soundproof louver of the present invention (3). FIG. 8 is a diagram for explaining an aspect of the soundproof louver of the present invention (4). FIG. 9 is a diagram for explaining an aspect of the soundproof louver of the present invention (5). FIG. 10 is a diagram for explaining an aspect of the soundproof louver of the present invention (6). FIG. 11 is a diagram for explaining an example of the soundproof and waterproof louver described in the prior art (Japanese Patent Laid-Open No. 61-098890). FIG. 12 is a diagram for explaining an example of a soundproof and waterproof louver described in the prior art (Japanese Patent Laid-Open No. 11-182152).

DESCRIPTION OF SYMBOLS 1, 2 Longitudinal cross-sectional plate body K1 Bending part of the boundary of the board body 1 and the board body K2 Bending part of the plate-like member 5 K3 Bending part of the board body 6 and the drooping board 7 3 Curve Folded portion 4 Lower plate bent downward 5 Plate member provided in the middle extending upward from the bent portion K1 and extending inward 6 The other end of the plate member 5 (relative to the plate 1) 7) Plate plate provided by bending obliquely downward from the lower end of the plate body 8 Screw hole 9 Spacing member S, T Attachment 20 Fixing material (fixing material such as steel frame)
30 frame (frame)
31 Bottom plate inclined downward toward the outside

Claims (7)

A plurality of soundproof louvers, in which two blade members each having a plate-like outer shape in the longitudinal section are arranged at an external position facing each other in the longitudinal section, are arranged horizontally. A horizontal soundproof louver, wherein the soundproof louver is
(A) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(B) A sound absorbing material is disposed on each abdomen of each of the two blade plate members, and each of the sound absorbing materials is held by a porous holding plate member, and
(C) A horizontal soundproof louver, wherein a plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the vertical direction. A plurality of soundproof louvers, in which two blade members each having a plate-like outer shape in the longitudinal section are arranged at intervals in the external positions facing the outer sides of the longitudinal sections, are vertically arranged. A vertically stacked soundproof louver, wherein the soundproof louver is
(A) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(B) A sound absorbing material is disposed on each abdomen and the sound absorbing material is held by the porous holding plate member, and
(C) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the horizontal direction.
A vertically stacked soundproof louver. A plurality of soundproof louvers are formed by arranging two blade members made of a plate body having an outer shape in the longitudinal cross section at an external position facing each other in the longitudinal cross section through a spacing member. Horizontally soundproof louvers arranged in a stack, wherein the soundproof louvers are:
(A) The interval holding member is an interval holding member having a quadrangular cross section or a rectangular cross section,
(B) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(C) A sound absorbing material is disposed on each abdomen and the sound absorbing material is held by the porous holding plate member, and
(D) A horizontal soundproof louver, wherein a plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the vertical direction. A plurality of soundproof louvers are formed by arranging two blade members made of a plate body having an outer shape in the longitudinal section at intervals at external positions facing each other in the longitudinal section via a spacing member. A vertically stacked soundproof louver arranged in a stack, wherein the soundproof louver is
(A) The interval holding member is an interval holding member having a quadrangular cross section or a rectangular cross section,
(B) While each said 2 blade member is comprised in a longitudinal cross-section outer side H shape,
(C) A sound absorbing material is disposed on each abdomen and the sound absorbing material is held by the porous holding plate member, and
(D) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the horizontal direction.
A vertically stacked soundproof louver. A plurality of soundproof louvers are formed by arranging two blade members made of a plate body having an outer shape in the longitudinal cross section at an external position facing each other in the longitudinal cross section through a spacing member. Horizontally soundproof louvers arranged in a stack, wherein the soundproof louvers are:
(A) The spacing member is a spacing member having a triangular cross section;
(B) Each of the blade members is configured in a longitudinal cross-sectional shape, and
(C) A sound absorbing material is disposed on the abdomen and each sound absorbing material is held by a porous holding plate member; and
(D) A horizontal soundproof louver, wherein a plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the vertical direction. A plurality of soundproof louvers are formed by arranging two blade members made of a plate body having an outer shape in the longitudinal section at intervals at external positions facing each other in the longitudinal section via a spacing member. A vertically stacked soundproof louver arranged in a stack, wherein the soundproof louver is
(A) The spacing member is a spacing member having a triangular cross section;
(B) Each of the blade members is configured in a longitudinal cross-sectional shape, and
(C) A sound absorbing material is disposed on the abdomen and each sound absorbing material is held by a porous holding plate member; and
(D) A plurality of the soundproof louvers are arranged and fixed in the frame at intervals in the horizontal direction.
A vertically stacked soundproof louver. The soundproof louver according to any one of claims 1 to 6, wherein a sound absorbing material is fitted into an inner space of the blade material, and a sound source side of an inner space region into which the sound absorbing material is fitted among the blade materials; A soundproof louver characterized in that an air layer is provided on opposite sides.

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