CN212534870U

CN212534870U - Full-frequency gradual change porous sound absorption device

Info

Publication number: CN212534870U
Application number: CN202020716388.6U
Authority: CN
Inventors: 肖代庆
Original assignee: Guangzhou Kemei Sound Insulation Material Co ltd
Current assignee: Guangzhou Kemei Sound Insulation Material Co ltd
Priority date: 2020-05-05
Filing date: 2020-05-05
Publication date: 2021-02-12
Anticipated expiration: 2030-05-05

Abstract

The utility model provides a full frequency gradual change porous sound absorption device. Full frequency gradual change porous sound absorbing device includes the casing, the abatvoix, wave plate and composite sheet, the abatvoix install in the opening of casing upper surface in the chamber and with opening chamber sliding connection, and set up a plurality of evenly distributed's Y type hole on the abatvoix, fixed mounting has the dust screen in the conical chute in Y type hole, and the vertical internal fixed mounting in Y type hole has the sound cotton of inhaling, wave plate fixed mounting is in the casing and is in the below of abatvoix, and the sliding tray of perpendicular setting is all seted up in each crest department of wave plate, all install the buffer gear who is used for reducing the abatvoix amplitude in each sliding tray, and install on the casing diapire. The utility model provides a full porous sound absorbing device of gradual change has improved the advantage to the acoustic baffle protection.

Description

Full-frequency gradual change porous sound absorption device

Technical Field

The utility model relates to an inhale the sound and fall the technical field of making an uproar, especially relate to a full frequency gradual change porous sound absorbing device.

Background

The sound absorbing plate is a plate-shaped material having sound absorbing and noise reducing effects, and has advantages such as sound absorption. At present, some decorative plates with sound absorption effects become indoor general decorative materials, have abundant and various colors for selection, and can meet the sound absorption and decoration requirements of different styles and layers.

The effect of sound is inhaled through setting up the hole realization mostly to current acoustic baffle, but downthehole easy deposition and difficult clearance, and this acoustic effect of inhaling is not good simultaneously, and deformation appears in the hole when the face receives pressure easily simultaneously, leads to noise reduction effect to reduce.

Therefore, it is necessary to provide a full-frequency gradient porous sound absorption device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide an it has improved whole porous sound absorbing device of gradual change of reduction to acoustic baffle protection.

In order to solve the technical problem, the utility model provides a full frequency gradual change porous sound absorbing device includes: casing, the abatvoix, wave plate and composite sheet, the abatvoix install in the opening of casing upper surface in the oral cavity and with opening chamber sliding connection, and set up a plurality of evenly distributed's Y type hole on the abatvoix, fixed mounting has the dust screen in the conical chute in Y type hole, and the vertical inslot fixed mounting in Y type hole inhales the sound cotton, wave plate fixed mounting is in the casing and in the below of abatvoix, and the sliding tray of perpendicular setting is all seted up in each crest department of wave plate, all install the buffer gear who is used for reducing the abatvoix amplitude in each sliding tray, and install on the casing diapire.

Preferably, buffer gear includes slide bar and spring, the one end of slide bar insert establish to the sliding tray in and with sliding tray sliding connection, and the lower fixed surface of slide bar and abatvoix is connected, the one end of spring and the fixed connection of inserting of slide bar establish the end, and the other end of spring and the interior diapire fixed connection of sliding tray, thereby promote the slide bar when the abatvoix receives pressure and receive the effectual protection abatvoix that compresses along the sliding tray gliding spring, the amplitude that the noise produced to the abatvoix has been reduced simultaneously.

Preferably, the composite sheet includes sandalwood plank and drying board, and sandalwood plank and drying board adopt the composite construction of following formula from top to bottom, and the upper surface of sandalwood plank and the lower fixed surface of wave plate are connected, and the lower surface of drying board and the inner diapire fixed connection of casing, and the sandalwood plank can give out the smell of sandalwood for porous acoustic baffle can improve the quality of air, and the drying board improves the effectual sandalwood plank of having protected of aridity in the casing.

Preferably, all wave troughs on the shell are fixedly embedded with the cloth sound-absorbing boards, so that the sound-absorbing and noise-reducing effects are further improved.

Preferably, the fixed surface gomphosis of the upper surface of abatvoix has the square plastic pad of the gradually short formula of a plurality of length of side, and square plastic pad can effectually reduce the indentation that the abatvoix surface caused when receiving pressure, has avoided Y type hole to take place deformation.

Preferably, the Y-shaped holes formed in the sound-absorbing plate are distributed in the gap between two adjacent square plastic pads.

Compared with the prior art, the utility model provides a full porous sound absorbing device of gradual change has following beneficial effect:

1. the utility model can effectively absorb noise, and the noise reduction capability of the acoustic board is further improved by matching with the acoustic cotton in the Y-shaped hole, and the dust screen in the Y-shaped hole reduces the blockage of dust to the Y-shaped hole and effectively protects the acoustic cotton;

2. when the sound-absorbing plate is pressurized, the sliding rod is pushed to slide downwards along the sliding groove, so that the spring is compressed, the sound-absorbing plate is effectively protected, and the amplitude of noise generated by the sound-absorbing plate is reduced;

3. the utility model discloses the sandalwood plank can give out the smell of sandalwood for porous acoustic baffle can improve the quality of air, and the drying plate improves the effectual sandalwood plank of having protected of aridity in the casing.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a full-frequency gradually-changing porous sound absorption device provided by the present invention;

FIG. 2 is a schematic view of the interior of the housing shown in FIG. 1;

fig. 3 is an enlarged schematic view of a portion a shown in fig. 2.

Reference numbers in the figures: 1. the sound absorption board comprises a shell, 2, a sound absorption board, 3, Y-shaped holes, 4, a dust screen, 5, sound absorption cotton, 6, a corrugated board, 7, a sliding groove, 8, a buffer mechanism, 81, a sliding rod, 82, a spring, 9, a composite board, 91, a sandalwood board, 92, a drying board, 9a, a cloth sound absorption board, 9b and a square plastic pad.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a full-frequency gradually-changing porous sound absorption device according to the present invention; FIG. 2 is a schematic view of the interior of the housing shown in FIG. 1; fig. 3 is an enlarged schematic view of a portion a shown in fig. 2. Full frequency gradual change porous sound absorbing device includes: the sound-absorbing plate comprises a shell 1, a sound-absorbing plate 2, a corrugated plate 6 and a composite plate 9.

In the concrete implementation process, as shown in fig. 1 and 2, the sound-absorbing board 2 is installed in the open cavity on the upper surface of the casing 1 and is connected with the open cavity in a sliding manner, the upper surface of the sound-absorbing board 2 is fixedly embedded with a plurality of square plastic pads 9b with gradually shortened side lengths, meanwhile, a plurality of uniformly distributed Y-shaped holes 3 are formed in the sound-absorbing board 2, the Y-shaped holes 3 formed in the sound-absorbing board 2 are distributed in the gap between two adjacent square plastic pads 9b, dust-proof nets 4 are fixedly installed in conical grooves of the Y-shaped holes 3, and sound-absorbing cotton 5 is fixedly installed in vertical grooves of the Y-shaped holes 3.

It should be noted that: abatvoix 2 can effectually absorb the noise, and the cotton 5 of inhaling of sound in the cooperation Y type hole 3 has further improved abatvoix 2's the ability of making an uproar of falling simultaneously, and dust screen 4 in the Y type hole 3 has reduced the dust and has inhaled cotton 5 to the jam and the effectual protection in Y type hole 3, and square plastic pad 9b can effectual reduction abatvoix 2 the indentation that the surface caused when receiving pressure, has avoided Y type hole to take place deformation.

Referring to fig. 2 and 3, the corrugated plate 6 is fixedly installed in the housing 1 and below the sound-absorbing panel 2, a vertically-arranged sliding groove 7 is formed in each wave crest of the corrugated plate 6, a buffering mechanism 8 for reducing the amplitude of the sound-absorbing panel 2 is installed in each sliding groove 7, the buffering mechanism 8 includes a sliding rod 81 and a spring 82, one end of the sliding rod 81 is inserted into the sliding groove 7 and slidably connected with the sliding groove 7, the sliding rod 81 is fixedly connected with the lower surface of the sound-absorbing panel 2, one end of the spring 82 is fixedly connected with the inserted end of the sliding rod 81, and the other end of the spring 82 is fixedly connected with the inner bottom wall of the sliding groove 7.

It should be noted that: the sliding rod 81 is pushed to slide down along the sliding groove 7 when the sound-absorbing plate 2 is pressed, so that the spring 82 is compressed, the sound-absorbing plate 2 is effectively protected, and the amplitude of noise generated to the sound-absorbing plate 2 is reduced.

Wherein, all wave troughs on the casing 1 are all fixed with the gomphosis of cloth abatvoix 9, have further improved a and inhaled the sound, the effect of making an uproar is fallen.

Referring to fig. 2, the composite board 9 is installed on the inner bottom wall of the case 1, and includes a sandalwood board 91 and a drying board 92, the sandalwood board 91 and the drying board 92 are of a composite structure of an upper type and a lower type, an upper surface of the sandalwood board 91 is fixedly connected to a lower surface of the corrugated board 6, and a lower surface of the drying board 92 is fixedly connected to the inner bottom wall of the case 1.

It should be noted that: sandalwood plank 91 can give out the smell of sandalwood for porous acoustic baffle can improve the quality of air, and drying plate 92 improves the effectual protection of sandalwood plank 91 of aridity in the casing 1.

The utility model provides a full porous sound absorbing device of gradual change's theory of operation as follows:

acoustical panel 2 can effectually absorb the noise, the cotton 5 of inhaling of the sound of cooperation Y type downthehole 3 has further improved acoustical panel 2's the ability of making an uproar of falling simultaneously, and dust screen 4 in the Y type downthehole 3 has reduced the jam of dust to Y type downthehole 3 and the effectual sound cotton 5 of inhaling of having protected, square plastic pad 9b can effectually reduce the indentation that acoustical panel 2 surface caused when receiving pressure, it takes place to deform to have avoided Y type hole, thereby it receives the effectual acoustical panel 2 that has protected of compression to promote slide bar 81 along sliding tray 7 gliding when acoustical panel 2 receives pressure spring 82, the amplitude that the noise produced to acoustical panel 2 has been reduced simultaneously, sandalwood plank 91 can give out the smell of sandalwood, make porous acoustical panel can improve the quality of air, and dry board 92 improves the effectual sandalwood plank 91 of having protected of aridity in the casing 1.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. The utility model provides a porous sound absorbing device of full frequency gradual change which characterized in that includes:

a housing (1);

the sound absorption board (2) is arranged in an open cavity on the upper surface of the shell (1) and is in sliding connection with the open cavity, a plurality of uniformly distributed Y-shaped holes (3) are formed in the sound absorption board (2), a dust screen (4) is fixedly arranged in a conical groove of each Y-shaped hole (3), and sound absorption cotton (5) is fixedly arranged in a vertical groove of each Y-shaped hole (3);

the corrugated plate (6) is fixedly arranged in the shell (1) and is positioned below the sound-absorbing plate (2), each wave crest of the corrugated plate (6) is provided with a vertically arranged sliding groove (7), and a buffer mechanism (8) for reducing the amplitude of the sound-absorbing plate (2) is arranged in each sliding groove (7);

and the composite plate (9) is arranged on the inner bottom wall of the shell (1).

2. The full-frequency gradual-change porous sound absorption device according to claim 1, wherein the buffer mechanism (8) comprises a sliding rod (81) and a spring (82), one end of the sliding rod (81) is inserted into the sliding groove (7) and is slidably connected with the sliding groove (7), the sliding rod (81) is fixedly connected with the lower surface of the sound absorption plate (2), one end of the spring (82) is fixedly connected with the inserted end of the sliding rod (81), and the other end of the spring (82) is fixedly connected with the inner bottom wall of the sliding groove (7).

3. The full range gradual change porous sound absorption device according to claim 1, wherein the composite plate (9) comprises a sandalwood board (91) and a drying board (92), the sandalwood board (91) and the drying board (92) adopt a composite structure of the above-mentioned formula, the upper surface of the sandalwood board (91) is fixedly connected with the lower surface of the corrugated board (6), and the lower surface of the drying board (92) is fixedly connected with the inner bottom wall of the housing (1).

4. The full-range gradually-changed porous sound absorption device according to claim 1, wherein a cloth sound absorption plate (9a) is fixedly embedded in all wave troughs of the shell (1).

5. The full-frequency gradually-changing porous sound absorption device according to claim 1, wherein a plurality of square plastic pads (9b) with gradually-shortened side lengths are fixedly embedded on the upper surface of the sound absorption plate (2).

6. The full-frequency-gradient porous sound absorption device as claimed in any one of claims 1 or 5, wherein the sound absorption plate (2) is provided with Y-shaped holes (3) distributed in the gap between two adjacent square plastic pads (9 b).