CN219080639U - Hanging type sound absorbing device - Google Patents

Abstract

The utility model discloses a hanging type sound absorbing device, which comprises a hanging rack and a sound absorbing plate; the hanging frame comprises a closed annular frame body, the frame body is provided with a first frame surface and a second frame surface which are oppositely arranged, and the frame body is used for being assembled on an external assembly body; the frame body is connected with the sound absorbing plate, a first frame surface of the frame body is attached to the plate surface of the sound absorbing plate, and a second frame surface of the frame body is attached to the external assembly; when the frame body is assembled on the external assembly body, the frame body and the sound absorbing plate are enclosed to form a sound absorbing cavity. The technical scheme that this hanging sound absorbing device provided can hang to adorn in the wall body basic unit, can have fine absorbing effect to the sound of different frequencies, effectively improves the sound absorbing effect to effectively reduce indoor echo and reverberant sound.

Description

Hanging type sound absorbing device

Technical Field

The utility model belongs to the technical field of building materials, and particularly relates to a hanging type sound absorbing device.

Background

With the increasing strong national living standard, the country increases the investment of infrastructure, builds many stadiums, conference centers, opera houses and the like, private movie theatres, concert halls, conference rooms and the like, and needs to make sound insulation treatment in order to hear clearer sounds. In the existing sound insulation wall, the sound absorption module between the wall body base layer and the decoration panel is usually fixed in an adhesive mode, the sound absorption module cannot be reused, sound absorption operation can be carried out only by the property of the sound absorption module, the sound absorption module with good sound insulation effect is complex in structure, and the sound absorption module with simple structure is difficult to have good sound insulation effect.

Disclosure of Invention

The utility model aims to provide a hanging type sound absorbing device which can be quickly assembled on a wall base layer and has good sound insulation effect.

The technical scheme for achieving the aim comprises the following steps.

A hanging sound absorbing device, comprising a hanging rack and a sound absorbing board;

the hanging frame comprises a closed annular frame body, the frame body is provided with a first frame surface and a second frame surface which are oppositely arranged, and the frame body is used for being assembled on an external assembly body;

the frame body is connected with the sound absorbing plate, a first frame surface of the frame body is attached to the plate surface of the sound absorbing plate, and a second frame surface of the frame body is attached to an external assembly; when the frame body is assembled on the external assembly body, the frame body and the sound absorbing plate are enclosed to form a sound absorbing cavity.

In some embodiments, the hanging rack further comprises a first hanging piece and a second hanging piece which are both connected with the frame body, the first hanging piece spans a first frame face of the frame body, the frame body is detachably connected with the sound absorbing plate through the first hanging piece, the second hanging piece spans a second frame face of the frame body, and the frame body is assembled with an external assembly body through the second hanging piece.

In some embodiments, the first hanging piece and the second hanging piece are staggered, and the thickness of the first hanging piece and the thickness of the second hanging piece are smaller than the thickness of the frame body.

In some embodiments, the frame body includes four connection plates, the four connection plates are connected end to end and cooperate to form a rectangular frame, and the first hanging member and the second hanging member are all arranged along the width direction of the frame body.

In some embodiments, a clamping plate is arranged on one side, close to the first hanging piece, of the sound absorbing plate, the clamping plate is of a strip-shaped structure, one side, along the extending direction of the long end of the clamping plate, of the clamping plate is of an inclined surface, and the cross section area of one end, far away from the sound absorbing plate, of the clamping plate is larger than the cross section area of one end, close to the sound absorbing plate, of the clamping plate; the first hanging piece is a platy body, and a clamping groove which is in fit and clamping connection with the clamping plate is formed in one side, close to the sound absorbing plate, of the first hanging piece.

In some embodiments, the second hanging member has a plate-shaped structure, and a fixing hole for the fastener to pass through is formed in the second hanging member.

In some of these embodiments, the sound absorbing cavity has a thickness in the range of 25mm to 35mm and the sound absorbing panel has a thickness in the range of 30mm to 45mm.

In some of these embodiments, the second hanging piece is embedded with a level for detecting the horizontal position of installation.

In some embodiments, the outer periphery of the frame body is provided with a ring groove, and the ring groove is embedded with a light emitting element.

In some embodiments, the sound absorbing board comprises a first pore plate, a first cotton paper layer, a sound absorbing cotton layer, a second cotton paper layer and a second pore plate which are sequentially stacked, and the first pore plate is connected with the frame body.

The technical scheme provided by the utility model has the following advantages and effects:

this hanging sound absorbing device is through setting up hanging frame and abatvoix, the abatvoix can be hung in the wall body basic unit through this hanging frame, wherein form closed annular framework through hanging frame, and because the first frame face of framework and the face laminating setting of abatvoix, the abatvoix is hung when adorning in the wall body basic unit through the framework, the abatvoix forms the abatvoix with the space in the framework and inhales the sound chamber, this abatvoix can form resonant cavity, the absorption medium-low frequency sound that can be fine, the sound performance that cooperation this abatvoix itself had can have fine absorbing effect to the sound of different frequencies, effectively improve the sound absorbing effect, thereby effectively reduce indoor echo and reverberant sound.

Drawings

Fig. 1 is a schematic structural view of a hanging sound-absorbing apparatus according to an embodiment of the present utility model in an unassembled state;

FIG. 2 is a schematic view of the structure of the hanging sound absorbing apparatus of FIG. 1 after assembly and secured to a wall substrate;

FIG. 3 is a schematic cross-sectional view of the acoustic panel of FIG. 1;

FIG. 4 is an enlarged schematic view of the layered structure of the acoustic panel of FIG. 3;

fig. 5 is a schematic view of the structure of the hanger of fig. 1.

Reference numerals illustrate:

100. hanging type sound absorbing device;

1. a hanging rack; 11. a frame; 111. a connecting plate; 112. a ring groove; 113. a sound absorbing cavity; 12. a first hanging member; 13. a second hanging member; 14. a fixing hole; 2. a sound absorbing panel; 21. a clamping plate; 22. a first orifice plate; 23. a first tissue layer; 24. a sound absorbing cotton layer; 25. a second cotton paper layer; 26. a second orifice plate; 27. enclosing and closing a frame; 3. a level gauge; 4. a light emitting member;

200. and a wall base layer.

Detailed Description

In order that the utility model may be readily understood, a more particular description of specific embodiments thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As used herein, the terms "first and second …" are used merely to distinguish between names and not to represent a particular number or order unless otherwise specified or defined.

The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items, unless specifically stated or otherwise defined.

The term "fixed" or "connected" as used herein may be directly fixed or connected to an element, or indirectly fixed or connected to an element.

The embodiment of the utility model provides a hanging type sound absorbing device 100, as shown in fig. 1 to 5, the hanging type sound absorbing device 100 comprises a hanging rack 1 and a sound absorbing plate 2; the hanging rack 1 comprises a closed annular frame body 11, wherein the frame body 11 is provided with a first frame surface and a second frame surface which are oppositely arranged, and the frame body 11 is used for being assembled on an external assembly body such as a wall base layer 200; the frame 11 is connected with the sound absorbing plate 2, a first frame surface of the frame 11 is attached to the plate surface of the sound absorbing plate 2, and a second frame surface of the frame 11 is attached to an external assembly; when the housing 11 is assembled to the exterior assembly, the housing 11 and the sound absorbing plate 2 are enclosed to form a sound absorbing cavity 113. Wherein, the sound-absorbing board 2 has better sound-absorbing performance, and when the sound-absorbing board 2 is hung on the wall base 200 through the frame 11, the sound-absorbing board 2 and the space in the frame 11 form a sound-absorbing cavity 113, and the sound-absorbing cavity 113 can form a resonance cavity, so that the sound-absorbing performance of middle-low frequency sound can be improved.

To sum up, this hanging sound absorbing device 100 can hang in wall body basic unit 200 through setting up hanging frame 1 and abatvoix 2, abatvoix 2 can be through this hanging frame 1, wherein form closed annular framework 11 through hanging frame 1, and because the first frame face of framework 11 and the face laminating setting of abatvoix 2, and abatvoix 2 hangs when dress in wall body basic unit 200 through framework 11, the space in abatvoix 2 and the framework 11 forms the abatvoix chamber 113, this abatvoix chamber 113 can form resonant cavity, the absorption medium and low frequency sound that can be fine, the sound absorbing performance that cooperation this abatvoix 2 itself had can have fine absorbing effect to the sound of different frequencies, effectively improve the sound absorbing effect, thereby effectively reduce indoor echo and reverberant sound.

In some embodiments, the sound absorbing cavity 113 has a thickness in the range of 25mm to 35mm, which may be, for example, 25mm, 28mm, 30mm, 32mm, 35mm, etc. Sound absorbing cavity 113 in this thickness range has excellent performance. The thickness of the sound-absorbing sheet 2 is 30 to 45mm, and may be 30mm, 34mm, 35mm, 38mm, 40mm, 43mm, 45mm, or the like. So that the overall thickness of the hanging sound absorbing device 100 is not more than 80mm, the structure is compact and thin, and the hanging sound absorbing device 100 is effectively prevented from occupying excessive indoor space as a whole.

In some embodiments, as shown in fig. 2 and 5, the hanging rack 1 further includes a first hanging member 12 and a second hanging member 13, both connected to the frame 11, the first hanging member 12 straddles a first frame surface of the frame 11, the frame 11 is detachably connected to the sound absorbing panel 2 through the first hanging member 12, and the second hanging member 13 straddles a second frame surface of the frame 11, and the frame 11 is assembled to the external assembly through the second hanging member 13. When the sound absorbing board 2 is connected to the frame body 11 through the first hanging member 12, the sound absorbing board 2 is attached to the first frame surface of the frame body 11, and when the frame body 11 is fixed to the wall body base layer 200 through the second hanging member 13, the second frame surface of the frame body 11 is attached to the wall body base layer 200, so that the sound absorbing board 2 and the frame body 11 enclose the wall body base layer 200 to form the sound absorbing cavity 113. It can be appreciated that, the first hanging member 12 spans across the first frame surface of the frame 11, and the second hanging member 13 spans across the second frame surface of the frame 11, so that, on one hand, the acoustic panel 2 can be conveniently and conveniently hung on the wall base 200, and on the other hand, the frame 11, the first hanging member 12 and the second hanging member 13 cooperate to improve structural stability, thereby improving hanging stability.

In some embodiments, as shown in fig. 5, the first hanging member 12 and the second hanging member 13 are provided with a plurality of first hanging members 12, and the plurality of first hanging members 12 cooperate to enhance the stability of hanging the sound absorbing board 2, and the plurality of second hanging members 13 cooperate to enhance the stability of hanging the frame 11 on the wall base 200.

In some embodiments, as shown in fig. 2 and fig. 5, the first hanging member 12 and the second hanging member 13 are staggered, and the thicknesses of the first hanging member 12 and the second hanging member 13 are smaller than the thickness of the frame 11, so that when the sound absorbing plate 2 is attached to the first frame surface of the frame 11, and the second frame surface of the frame 11 is attached to the wall base 200, a sound absorbing cavity 113 which is communicated and integrated can be formed in the frame 11, and the sound absorbing cavity 113 is prevented from being separated into a plurality of independent small cavities due to the excessive thickness of the first hanging member 12 and the second hanging member 13, which affects sound resonance and the effect of absorbing middle-low frequency sound.

In some embodiments, as shown in fig. 5, the frame 11 includes four connection plates 111, and the four connection plates 111 are connected end to end and cooperate to form a rectangular parallelepiped frame, and the first hanging member 12 and the second hanging member 13 are both disposed along the width direction of the frame 11. The regular frame structure is convenient for assemble, and is convenient for a plurality of hanging sound absorbing device 100 concatenation, and in addition, first hanging piece 12 and second hanging piece 13 all set up along the width direction of framework 11, can further improve the stability of structure to make this hanging steady atress.

In some embodiments, the end face of the first hanging member 12 is flush with the first frame face of the frame 11, and the end face of the second hanging member 13 is flush with the second frame face of the frame 11 in the thickness direction of the frame 11. It can be appreciated that, because the first hanging member 12 is flush with the first frame surface of the frame body 11, when the first hanging member 12 is connected with the acoustic board 2, the end surface of the first hanging member 12 and the first frame surface of the frame body 11 are both attached to the acoustic board 2, so that the tightness between the first frame surface of the frame body 11 and the acoustic board 2 can be effectively avoided, and the tightness between the second frame surface of the frame body 11 and the wall body base 200 can be effectively avoided due to the structural interference of the second hanging member 12, because the second hanging member 13 is flush with the second frame surface of the frame body 11, when the second hanging member 13 is connected with the wall body base 200, the end surface of the second hanging member 13 and the second frame surface of the frame body 11 are attached to the wall body base 200, and the tightness between the second frame surface of the frame body 11 and the wall body base 200 can be effectively avoided due to the structural interference of the second hanging member 13.

In some embodiments, as shown in fig. 2 and 3, a clamping plate 21 is disposed on a side, close to the first hanging member 12, of the sound absorbing plate 2, the clamping plate 21 has a strip-shaped structure, and one side, along the extension direction of the long end of the clamping plate 21, of the clamping plate 21 is an inclined plane, and the cross-sectional area of one end, far away from the sound absorbing plate 2, of the clamping plate 21 is larger than the cross-sectional area of one end, close to the sound absorbing plate 2, of the clamping plate 21, i.e. the inclined plane, facing outwards along the side of the long end of the clamping plate 21, so that an acute angle is formed between the inclined side and the plate surface of the sound absorbing plate 2. The first hanging member 12 is a plate-shaped body, and a clamping groove which is in fit and clamping connection with the clamping plate 21 is formed in one side of the first hanging member 12, which is close to the sound absorbing plate 2. It will be appreciated that the inclined surface of the clamping plate 21 is inclined outwards along the side surface of the long end of the clamping plate 21, so that an acute angle is formed between the inclined side surface and the sound absorbing plate 2, when the clamping plate is clamped into the clamping groove, the inclined surface can form a guiding function, so that the clamping plate 21 can be smoothly clamped into the clamping groove, and the part of the clamping plate 21 corresponding to the inclined surface can form a limiting function, so that the clamping plate 21 is effectively prevented from being separated from the clamping groove. Preferably, the inclined side of the clamping plate 21 forms an angle of 45 ° with the sound absorbing plate 2.

In some embodiments, as shown in fig. 5, the second hanging member 13 is embedded with a level 3 for detecting the horizontal position of installation, and rapid positioning and leveling operations of the hanging sound absorbing apparatus 100 can be achieved through the level 3.

In some embodiments, as shown in fig. 2 and 5, the outer periphery of the frame 11 is provided with a ring groove 112, and the ring groove 112 is embedded with a light emitting element 4, where the light emitting element 4 may be a stepless dimming LED lamp or other components capable of being used for emitting light, and the disclosure is not limited in particular. The annular groove 112 for embedding the light emitting piece 4 is formed through the outer periphery of the frame 11, so that light rays of the light emitting piece 4 can be prevented from being blocked when the sound absorbing plate 2 is fixed on the frame 11, light atmosphere adjustment can be realized while sound absorbing performance is ensured, and the light emitting piece 4 is embedded so as to be hidden in the frame 11, so that the aesthetic property of the whole structure can be ensured, and the structure is compact.

In some embodiments, as shown in fig. 4, the sound-absorbing panel 2 includes a first orifice plate 22, a first cotton layer 23, a sound-absorbing cotton layer 24, a second cotton layer 25, and a second orifice plate 26, which are sequentially stacked, and the first orifice plate 22 is connected to the frame 11. It can be appreciated that the second pore plate 26 is convenient for the indoor sound to enter the sound absorbing board 2 for absorption, the first pore plate 22 is convenient for the sound in the sound absorbing cavity 113 to enter the sound absorbing board 2 for absorption, and the sound absorbing board 2 can absorb sound with different frequencies well through the cooperation of the first cotton paper layer 23, the sound absorbing cotton layer 24 and the second cotton paper layer 25, so that the sound absorbing performance is effectively improved.

As described above, in particular in the present embodiment, the first orifice plate 22 facilitates sound to enter the inside of the sound absorber for sound absorbing treatment by forming the microporous structure of the holes having a diameter smaller than the plate thickness, wherein the thickness of the first orifice plate 22 ranges from 4mm to 8mm, and may be, for example, 4mm, 5mm, 6mm, 7mm, 8mm, etc. The first orifice plate 22 is effective to penetrate sound. The first cotton paper layer 23 and the second cotton paper layer 25 are black cotton paper with the thickness of 0.7 mm-3 mm, and the thickness of the sound absorbing cotton layer 24 ranges from 20 mm-30 mm, for example, 20mm, 23mm, 25mm, 28mm, 30mm and the like; the density range is 40K-60K. The second orifice plate 26 is a 16/16/8 orifice plate having a thickness in the range of 4mm to 8mm, and may be, for example, 4mm, 5mm, 6mm, 7mm, 8mm, etc. Through the composite structure formed by the cooperation of the first pore plate 22, the first cotton paper layer 23, the sound absorbing cotton layer 24, the second cotton paper layer 25 and the second pore plate 26, the sound absorption device can absorb high-frequency, medium-frequency and low-frequency sounds well, and therefore the sound absorption performance is effectively improved.

In some embodiments, as shown in fig. 3, the periphery of the sound-absorbing panel 2 is provided with a surrounding frame 27, and the surrounding frame 27 fixes the first aperture plate 22, the first cotton paper layer 23, the sound-absorbing cotton layer 24, the second cotton paper layer 25 and the second aperture plate 26 therein; in addition, the enclosing frame 27 may be provided with log veneer sealing edges to enhance the overall aesthetics of the acoustic panel 2.

In some embodiments, as shown in fig. 2, the second hanging member 13 has a plate-shaped structure, and a fixing hole 14 for passing a fastener is formed on the second hanging member 13. The second hanging piece 13 is integrally fixed on the wall base 200 through the fixing holes 14 penetrating through the fixing holes 14 and fixed on the wall base 200 through fasteners such as rubber plug screws, and after the second hanging piece 13 is fixed, the sound absorbing plate 2 can be quickly hung through the clamping grooves of the hanging piece 1 by clamping the clamping plates 21 of the sound absorbing plate 2, and the operation is simple and convenient.

The above examples are also not an exhaustive list based on the utility model, and there may be a number of other embodiments not listed. Any substitutions and modifications made without departing from the spirit of the utility model are within the scope of the utility model.

Claims (10)

1. The hanging type sound absorbing device is characterized by comprising a hanging frame and a sound absorbing plate;

the hanging frame comprises a closed annular frame body, the frame body is provided with a first frame surface and a second frame surface which are oppositely arranged, and the frame body is used for being assembled on an external assembly body;

the frame body is connected with the sound absorbing plate, a first frame surface of the frame body is attached to the plate surface of the sound absorbing plate, and a second frame surface of the frame body is attached to an external assembly; when the frame body is assembled on the external assembly body, the frame body and the sound absorbing plate are enclosed to form a sound absorbing cavity.

2. The hung sound absorbing device according to claim 1, wherein the hanger further comprises a first hanger and a second hanger both connected to the frame, the first hanger straddling a first frame face of the frame, the frame being detachably connected to the sound absorbing panel via the first hanger, the second hanger straddling a second frame face of the frame, the frame being mounted to an external mounting via the second hanger.

3. The hung sound absorbing device according to claim 2, wherein the first hanging member and the second hanging member are arranged in a staggered manner, and the thickness of each of the first hanging member and the second hanging member is smaller than the thickness of the frame body.

4. The hung sound absorbing device according to claim 2, wherein the frame body comprises four connecting plates, the four connecting plates are connected end to end and cooperate to form a rectangular frame, and the first hanging member and the second hanging member are both arranged along the width direction of the frame body.

5. The hanging sound absorbing apparatus as claimed in claim 2, wherein a clamping plate is provided on a side of the sound absorbing plate adjacent to the first hanging member, the clamping plate has a long-strip structure, and one side of the clamping plate along the extending direction of the length of the clamping plate is an inclined surface, and a cross sectional area of an end of the clamping plate away from the sound absorbing plate is larger than a cross sectional area of an end of the clamping plate adjacent to the sound absorbing plate; the first hanging piece is a platy body, and a clamping groove which is in fit and clamping connection with the clamping plate is formed in one side, close to the sound absorbing plate, of the first hanging piece.

6. The hanging sound absorbing apparatus as claimed in claim 2, wherein the second hanging member is embedded with a level for detecting a horizontal position of installation.

7. The hanging sound absorbing apparatus as claimed in claim 2, wherein the second hanging member has a plate-like structure, and the second hanging member is provided with a fixing hole for the fastener to pass through.

8. The hanging sound absorbing apparatus as claimed in any one of claims 1 to 7, wherein the thickness of the sound absorbing cavity ranges from 25mm to 35mm and the thickness of the sound absorbing panel ranges from 30mm to 45mm.

9. The hanging sound absorbing apparatus as claimed in any one of claims 1 to 7, wherein the outer circumference of the frame body is provided with a ring groove, and the ring groove is embedded with a luminous element.

10. The hanging sound absorbing apparatus as claimed in any one of claims 1 to 7, wherein the sound absorbing panel comprises a first orifice plate, a first cotton paper layer, a sound absorbing cotton layer, a second cotton paper layer and a second orifice plate which are sequentially stacked, and the first orifice plate is connected with the frame.

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