CN211059087U

CN211059087U - Noise absorbing device

Info

Publication number: CN211059087U
Application number: CN201921645803.7U
Authority: CN
Inventors: 段啟龙
Original assignee: Wuhan Shengtailong New Energy Equipment Co Ltd
Current assignee: Wuhan Shengtailong New Energy Equipment Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-21
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a noise absorbing device relates to noise absorption technical field. The utility model discloses a "U" type is placed the pipe and is placed the pipe with the annular, "U" type is placed all sides of pipe and has evenly seted up a plurality of first sound absorbing holes, "U" type is placed the inside swing joint of pipe and is had a columnar order to inhale the sound cotton, and the columnar order inhales the sound cotton and link up with first sound absorbing hole, "U" type is placed all sides fixed mounting of pipe and is had a plurality of first guide plates, first guide plate and first sound absorbing hole cross arrangement, the annular is placed the inside of pipe and has been seted up a ring channel from top to bottom. The utility model discloses a combined use of first guide plate and second guide plate can be with the noise have the directional leading-in to the cylindricality inhale the sound cotton and inhale the sound cotton with the annular in to improve the effect of inhaling the sound, in addition through combined use of first guide plate and second guide plate, can prolong the time that the noise was gone out, can have sufficient time to absorb the noise.

Description

Noise absorbing device

Technical Field

The utility model belongs to the technical field of the noise absorption, especially, relate to a noise absorbing device.

Background

At present, the large-scale machinery on the market will produce tail gas at the in-process of work, consequently need not to use the tail gas exhaust fan, and the tail gas exhaust fan can produce certain noise at the during operation, and the production of noise will influence staff on every side, consequently, the utility model designs a noise absorption device to this, solve above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a noise absorption device, through the combined use of first guide plate and second guide plate, solved the current not good problem of noise absorption effect of noise absorption device.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a noise absorption device, which comprises a U-shaped placing pipe and an annular placing pipe, wherein a plurality of first sound absorption holes are uniformly formed on the peripheral side surface of the U-shaped placing pipe, a column-shaped sound absorption cotton is movably connected inside the U-shaped placing pipe, the column-shaped sound absorption cotton is communicated with the first sound absorption holes, a plurality of first guide plates are fixedly arranged on the peripheral side surface of the U-shaped placing pipe, and the first guide plates and the first sound absorption holes are arranged in a crossed manner;

the inner part of the annular placing pipe is provided with an annular groove from top to bottom, the inner wall of the annular placing pipe is uniformly provided with a plurality of second sound absorbing holes, the inner part of the annular groove is movably connected with annular sound absorbing cotton, the annular sound absorbing cotton is communicated with the second sound absorbing holes, the inner wall of the annular placing pipe is fixedly provided with a plurality of second guide plates, and the second guide plates and the second sound absorbing holes are arranged in a crossed manner;

"U" type is placed the pipe and is placed through a plurality of connecting block fixed connection between the pipe with the annular, a sound-proof housing has been cup jointed in the outside that the pipe was placed to the annular, the annular is placed the bottom fixed mounting of pipe and sound-proof housing and is had a sound inlet pipe, the lower fixed surface that pipe and sound-proof housing were placed to sound inlet pipe's upper surface and annular is connected.

Furthermore, the cross section of the first guide plate is two symmetrical right-angled triangles, and the hypotenuses of the two right-angled triangles are positioned on the outer sides of the right-angled triangles and arranged in an inverted splayed shape.

Furthermore, the cross section of the second guide plate is two symmetrical right-angled triangles, and the hypotenuses of the two right-angled triangles are positioned on the inner sides of the right-angled triangles and arranged in a splayed shape.

Furthermore, the number of the connecting blocks is eight, the eight connecting blocks are divided into two groups, the number of each group is four, and the four connecting blocks are annularly arranged.

Further, the sound-proof housing is composed of a hollow glass ring, and a vacuum is formed in the cavity of the glass ring.

The utility model discloses following beneficial effect has:

1. the utility model discloses a cotton and the annular combination use of inhaling of sound are inhaled to the columnar order, can absorb the noise that gets into by advancing the sound pipe to reach the purpose of noise reduction.

2. The utility model discloses a combined use of first guide plate and second guide plate can be with the noise have the directional leading-in to the cylindricality inhale the sound cotton and inhale the sound cotton with the annular in to improve the effect of inhaling the sound, in addition through combined use of first guide plate and second guide plate, can prolong the time that the noise was gone out, can have sufficient time to absorb the noise.

3. The utility model discloses a set up the sound-proof housing, can be complete keep apart the noise, avoid the noise to go out all around to the treatment effect to the noise has been improved.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a noise absorbing device according to the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural view of a first guide plate of the present invention;

fig. 4 is a cross-sectional view of a first baffle of the present invention;

fig. 5 is a schematic structural view of a second baffle of the present invention;

fig. 6 is a cross-sectional view of a second baffle of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1- "U" type is placed the pipe, 101-first sound absorbing hole, 102-post type is inhaled the sound cotton, 103-first guide plate, 2-annular is placed the pipe, 201-second sound absorbing hole, 202-annular is inhaled the sound cotton, 203-second guide plate, 3-connecting block, 4-sound-proof housing, 5-advances the sound pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention relates to a noise absorbing device, which comprises a U-shaped placing tube 1 and an annular placing tube 2, wherein a plurality of first sound absorbing holes 101 are uniformly formed on the peripheral side of the U-shaped placing tube 1, a column-shaped sound absorbing cotton 102 is movably connected inside the U-shaped placing tube 1, the column-shaped sound absorbing cotton 102 is communicated with the first sound absorbing holes 101, a plurality of first guide plates 103 are fixedly mounted on the peripheral side of the U-shaped placing tube 1, and the first guide plates 103 are arranged in a crossing manner with the first sound absorbing holes 101;

an annular groove is formed in the annular placing pipe 2 from top to bottom, a plurality of second sound absorbing holes 201 are uniformly formed in the inner wall of the annular placing pipe 2, annular sound absorbing cotton 202 is movably connected inside the annular groove, the annular sound absorbing cotton 202 is communicated with the second sound absorbing holes 201, a plurality of second guide plates 203 are fixedly mounted on the inner wall of the annular placing pipe 2, and the second guide plates 203 and the second sound absorbing holes 201 are arranged in a crossed mode;

the U-shaped placing pipe 1 and the annular placing pipe 2 are fixedly connected through a plurality of connecting blocks 3, the annular placing pipe 2 is sleeved with a sound-proof shield 4, the annular placing pipe 2 and the sound-proof shield 4 are fixedly mounted at the bottom end of the sound-proof shield 4, and the upper surface of the sound-proof pipe 5 and the annular placing pipe 2 and the lower surface of the sound-proof shield 4 are fixedly connected.

As shown in fig. 1 to 6, the cross-sectional view of the first air deflector 103 is two symmetrical right triangles, and the hypotenuses of the two right triangles are located outside the right triangles and arranged in an inverted "eight" shape.

The cross-sectional view of the second baffle 203 is two symmetrical right triangles, and the hypotenuses of the two right triangles are located on the inner side of the right triangle and arranged in a shape of a Chinese character 'ba'.

The number of the connecting blocks 3 is eight, the eight connecting blocks 3 are divided into two groups, the number of each group is four, and the four connecting blocks 3 in each group are annularly arranged.

Wherein, the sound-proof shield 4 is composed of a hollow glass ring, and the cavity of the glass ring is vacuum.

One specific application of this embodiment is: firstly, a worker connects the sound inlet pipe 5 and the sound outlet of the exhaust fan together through a flange, then the noise enters the gap between the U-shaped placing pipe 1 and the annular placing pipe 2 through the sound inlet pipe 5, then a part of the noise enters the U-shaped placing pipe 1 through the first sound absorbing hole 101 along the first guide plate 103, the noise entering the U-shaped placing pipe 1 is absorbed through the column-shaped sound absorbing cotton 102, then the rest noise is continuously transmitted downwards, enters the annular placing pipe 2 through the second sound absorbing hole 201 along the first guide plate 103, the noise entering the annular placing pipe 2 is absorbed through the annular sound absorbing cotton 202, and so on, the noise entering from the sound inlet pipe 5 can be effectively absorbed, in addition, the noise can be completely isolated by arranging the sound insulating cover 4, the noise is prevented from going out all around, so that the noise treatment effect is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A noise absorption device comprises a U-shaped placing pipe (1) and an annular placing pipe (2), and is characterized in that:

a plurality of first sound absorption holes (101) are uniformly formed in the peripheral side face of the U-shaped placing pipe (1), a column-shaped sound absorption cotton (102) is movably connected inside the U-shaped placing pipe (1), the column-shaped sound absorption cotton (102) is communicated with the first sound absorption holes (101), a plurality of first guide plates (103) are fixedly installed on the peripheral side face of the U-shaped placing pipe (1), and the first guide plates (103) are arranged in a crossed mode with the first sound absorption holes (101);

an annular groove is formed in the annular placing pipe (2) from top to bottom, a plurality of second sound absorbing holes (201) are uniformly formed in the inner wall of the annular placing pipe (2), annular sound absorbing cotton (202) is movably connected to the inner portion of the annular groove, the annular sound absorbing cotton (202) is communicated with the second sound absorbing holes (201), a plurality of second guide plates (203) are fixedly installed on the inner wall of the annular placing pipe (2), and the second guide plates (203) are arranged in a crossed mode with the second sound absorbing holes (201);

"U" type is placed between pipe (1) and the annular and is placed pipe (2) through a plurality of connecting block (3) fixed connection, a sound-proof housing (4) has been cup jointed in the outside that pipe (2) was placed to the annular, the annular is placed the bottom fixed mounting of pipe (2) and sound-proof housing (4) and is had a sound pipe (5), the lower fixed surface that pipe (2) and sound-proof housing (4) were placed to the upper surface and the annular of sound pipe (5) is connected.

2. A noise absorbing device according to claim 1, characterized in that the cross-sectional view of the first baffle (103) is two symmetrical right triangles, the hypotenuses of the two right triangles being located outside the right triangles and arranged in an inverted "eight" shape.

3. A noise absorbing device according to claim 1, characterized in that the cross-sectional view of the second baffle (203) is two symmetrical right triangles, the hypotenuses of which are located inside the right triangles and are arranged in a "figure eight".

4. A noise absorbing device according to claim 1, wherein said connecting blocks (3) are eight in number, eight of said connecting blocks (3) are divided into two groups of four in number, and four of said connecting blocks (3) are arranged in a circular array.

5. A noise absorbing device according to claim 1, characterized in that the sound-proof enclosure (4) consists of a hollow glass ring, the cavity of which is evacuated.