CN208311776U - A kind of exhaust pipe denoising device - Google Patents
A kind of exhaust pipe denoising device Download PDFInfo
- Publication number
- CN208311776U CN208311776U CN201820520771.7U CN201820520771U CN208311776U CN 208311776 U CN208311776 U CN 208311776U CN 201820520771 U CN201820520771 U CN 201820520771U CN 208311776 U CN208311776 U CN 208311776U
- Authority
- CN
- China
- Prior art keywords
- exhaust pipe
- connector
- plate
- buffer board
- denoising device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000000621 bronchi Anatomy 0.000 claims abstract description 22
- 229920000742 Cotton Polymers 0.000 claims abstract description 10
- 239000011490 mineral wool Substances 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009467 reduction Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000030279 gene silencing Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model provides a kind of exhaust pipe denoising device, including connector, integrally formed with bronchus at the gas outlet at connector both ends, and the junction of two bronchuses and connector is at arc-shaped, bronchial inside is fixedly installed with arc pressure relief plate close to one end of air inlet, the buffer board equidistantly distributed is installed on the right side of arc pressure relief plate, buffer board is fixedly installed with exhaustion plate between any two, sound arrester is installed on the right side of buffer board, the fixed plate of annular is installed on the right side of sound arrester, is related to noise reducing apparatus field.The exhaust pipe denoising device, air-flow is separated using connector and two bronchuses, then air-flow is being passed sequentially through into arc pressure relief plate, buffer board, exhaustion plate silencing cotton and acoustical panel, the flow velocity of air can be weakened, and the energy of sound transmission will do it very big counteracting after each contact, so as to play good noise reduction effect, and the present apparatus is relatively simple for structure, at low cost.
Description
Technical field
The utility model relates to noise reducing apparatus technical field, specially a kind of exhaust pipe denoising device.
Background technique
Noise reduction, as the term suggests it is exactly the influence for reducing noise to people.Common method has: 1, sound insulating house；2, installation is eliminated the noise
Device；3, acoustic barrier；4, vibration damping etc., sqouynd absorption lowering noise are a kind of methods that noise intensity is controlled on route of transmission.The suction of object
Sound effect be it is generally existing, the effect of sound absorption is not only related with sound-absorbing material, also related with selected sound absorption structure.
With the development of mechanization, although having brought very big convenience, it is vented the use of exhaust system,
Very big noise is generated, and the noise of exhaust system, with the circulation of wind, the range of transmitting is more extensive, causes to people
Very big influence.
The traditional settling mode of people be soundproof plate or muffler are installed at the gas outlet of exhaust pipe, but install every
Soundboard be it is palliative, bad to the assimilation effect of noise, and if installing muffler, good muffler cost compares again
Height, and be not suitable for, it is therefore desirable to a kind of denoising device that at low cost and sound-absorbing effect is good.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of exhaust pipe denoising device, solves tradition
The not applicable problem of noise-reduction method.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of exhaust pipe noise reduction
Device, including connector, integrally formed with bronchus at the gas outlet at the connector both ends, and two bronchuses with connect
At arc-shaped, the bronchial inside is fixedly installed with arc pressure relief plate, institute close to one end of air inlet for the junction of head
The buffer board for being equipped with and equidistantly distributing on the right side of arc pressure relief plate is stated, the buffer board is fixedly installed with exhaust between any two
Plate is equipped with sound arrester on the right side of the buffer board, and the fixed plate of annular is equipped on the right side of the sound arrester, described solid
The acoustical panel equidistantly distributed is installed on the inside of fixed board, sliding slot is offered on the inner wall of the fixed plate, the acoustical panel is logical
It crosses sliding slot to be slidably connected with fixed plate, gag lever post is fixedly installed in the middle part of the bronchus inner cavity, the gag lever post is through every
A acoustical panel extends to the outside of acoustical panel, and the both ends of the gag lever post are fixedly installed with limited block, and the acoustical panel is two-by-two
Between be fixedly installed with equally distributed spring, the arc pressure relief plate, buffer board, the outer surface of exhaustion plate and acoustical panel are equal
Offer air hole.
Preferably, integrally formed with connecting tube at the air inlet of the connector, the outer sheath of the connecting tube is equipped with spiral shell
Rotation set, the connecting tube are threadedly coupled by the screw thread that its outer surface opens up with screw-casing.
Preferably, the strip that the one end of the connecting tube far from connector is distributed integrally formed with circular array, and block
Item is inclined outwardly, and the strip is between any two there are gap, one on inner wall of the strip far from one end of connecting tube
Form fixture block.
Preferably, equally distributed gas pressure relief slot is offered on the bronchial inner wall, is consolidated on the bronchial inner wall
Dingan County is equipped with wave crest sound-absorbing sponge.
Preferably, the exhaustion plate is inclined to set, and the installation direction of the exhaustion plate between two groups of adjacent buffer boards
On the contrary.
Preferably, the sound arrester includes glass fibre cotton layer, and the side of the glass fibre cotton layer is bonded with rock wool
Layer, the side of the rock wool layer is bonded with layer of mineral wool.
(3) beneficial effect
The utility model provides a kind of exhaust pipe denoising device.Have it is following the utility model has the advantages that
1, the exhaust pipe denoising device is separated air-flow using connector and two bronchuses, is then being incited somebody to action
Air-flow passes sequentially through arc pressure relief plate, buffer board, exhaustion plate silencing cotton and acoustical panel, can greatly weaken the flow velocity of air,
And the energy of sound transmission will do it very big counteracting after each contact, so as to play good noise reduction
Effect, and the present apparatus is relatively simple for structure, it is at low cost.
2, the exhaust pipe denoising device, will be outer when installation by setting connecting tube, strip and screw-casing
The exhaust pipe on boundary injects on the inside of strip, then rotates screw-casing, is tightened strip using screw-casing, then the card on the inside of strip
Block and extraneous pipeline are clamped, and make the easier for installation quick of equipment.
Detailed description of the invention
Fig. 1 is the utility model front view；
Fig. 2 is the utility model bronchus sectional view；
Fig. 3 is the utility model sound arrester sectional view；
Fig. 4 is the utility model connecting tube side view；
Fig. 5 is the utility model connecting tube sectional view.
In figure: 1 connector, 2 bronchuses, 3 connecting tubes, 4 screw-casings, 5 strips, 6 fixture blocks, 7 wave crest sound-absorbing sponges, 8 bufferings
Plate, 9 exhaustion plates, 10 sound arresters, 101 glass fibre cotton layers, 102 rock wool layers, 103 layer of mineral wool, 11 fixed plates, 12 sliding slots, 13
Spring, 14 gag lever posts, 15 acoustical panels, 16 gas pressure relief slots, 17 arc pressure relief plates, 18 air holes, 19 limited blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-5, the utility model embodiment provides a kind of exhaust pipe denoising device, including connector 1, even
Integrally formed with connecting tube 3 at the air inlet of connector 1, the outer sheath of connecting tube 3 is equipped with screw-casing 4, and connecting tube 3 passes through its appearance
The screw thread that face opens up is threadedly coupled with screw-casing 4, and the one end of connecting tube 3 far from connector 1 is integrally formed with circular array point
The strip 5 of cloth, and strip 5 is inclined outwardly, strip 5 between any two there are gap, the one end of strip 5 far from connecting tube 3
Integrally formed with fixture block 6 on inner wall, when in use, it is attached by connecting tube 3 and extraneous pipeline, by extraneous pipeline
5 inside of strip is injected, screw-casing 4 is then rotated, is tightened strip 5 using screw-casing 4, then the fixture block 6 of 5 inside of strip
Be clamped with extraneous pipeline, connection it is more stable, and facilitate and mounted and dismounted, the time can be saved, connector 1
Integrally formed with bronchus 2 at the gas outlet at both ends, and the junction of two bronchuses 2 and connector 1 is at arc-shaped, branch
Equally distributed gas pressure relief slot 16 is offered on the inner wall of tracheae 2, and wave crest sound-absorbing sponge 7 is fixedly installed on the inner wall of bronchus 2,
Sharp impacts can occur with the tube wall of bronchus 2 into the air inside bronchus 2, pass through gas pressure relief slot 16 and wave crest sound-absorbing sponge
7 weaken the collision between air and tube wall, and the energy of sound wave is absorbed, so as to weaken noise, branch
The inside of tracheae 2 is fixedly installed with arc pressure relief plate 17 close to one end of air inlet, and the right side of arc pressure relief plate 17 is equipped with
The buffer board 8 of range distribution, buffer board 8 are fixedly installed with exhaustion plate 9 between any two, and exhaustion plate 9 is inclined to set, and adjacent
Two groups of buffer boards 8 between exhaustion plate 9 installation direction on the contrary, air enters after bronchus 2, by arc pressure relief plate 17
Tentatively buffered, air dispersed, weaken the flow velocity of air, weaken the collision between air and pipeline, then according to
It is secondary to pass through buffer board 8 and exhaustion plate 9, and direction is opened up all and is inclination due to the air hole 18 on buffer board 8 and exhaustion plate 9
, and it is inclined contrary, it can further weaken the flow velocity of air, and the energy of sound wave can be supported
Disappear, the right side of buffer board 8 is equipped with sound arrester 10, and sound arrester 10 includes glass fibre cotton layer 101, glass fibre cotton layer
101 side is bonded with rock wool layer 102, and the side of rock wool layer 102 is bonded with layer of mineral wool 103, the right side installation of sound arrester 10
There is the fixed plate 11 of annular, the inside of fixed plate 11 is equipped with the acoustical panel 15 equidistantly distributed, will be through by sound arrester 10
The energy for the sound wave in air crossed after repeatedly buffering is absorbed, whole to tie so as to play good sound-absorbing effect
Structure is fairly simple, and cost is low, and sliding slot 12 is offered on the inner wall of fixed plate 11, and acoustical panel 15 passes through sliding slot 12 and fixed plate
11 are slidably connected, and gag lever post 14 is fixedly installed in the middle part of 2 inner cavity of bronchus, and gag lever post 14 is extended to through each acoustical panel 15
The outside of acoustical panel 15, the both ends of gag lever post 14 are fixedly installed with limited block 19, and acoustical panel 15 is fixedly mounted between any two
There is equally distributed spring 13, acoustical panel 15 can be squeezed when air circulation, then acoustical panel 15 can be sliding along sliding slot 12
Spring 13 is moved and squeezed, by the setting of limited block 19, can be detached to avoid acoustical panel 15, it can be to avoid by spring 13
It collides between acoustical panel 15, so as to so that the effect of noise reduction is more preferable, arc pressure relief plate 17, buffer board 8,9 and of exhaustion plate
The outer surface of acoustical panel 15 offers air hole 18.
In conclusion the exhaust pipe denoising device, is separated air-flow using connector 1 and two bronchuses 2,
Then air-flow is being passed sequentially through into arc pressure relief plate 17, buffer board 8, exhaustion plate 9, silencing cotton and noise reduction 15, can greatly subtracted
The flow velocity of weak air, and the energy of sound transmission will do it very big counteracting after each contact, so as to rise
To good noise reduction effect, and the present apparatus is relatively simple for structure, at low cost.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of exhaust pipe denoising device, including connector (1), it is characterised in that: the outlet at connector (1) both ends
Integrally formed with bronchus (2) at mouthful, and the junction of two bronchuses (2) and connector (1) is at arc-shaped, the branch
The inside of tracheae (2) is fixedly installed with arc pressure relief plate (17) close to one end of air inlet, the right side of the arc pressure relief plate (17)
Side is equipped with the buffer board (8) equidistantly distributed, and the buffer board (8) is fixedly installed with exhaustion plate (9) between any two, described
It is equipped on the right side of buffer board (8) sound arrester (10), the fixed plate of annular is installed on the right side of the sound arrester (10)
(11), the acoustical panel (15) equidistantly distributed is installed, on the inner wall of the fixed plate (11) on the inside of the fixed plate (11)
It offers sliding slot (12), the acoustical panel (15) is slidably connected by sliding slot (12) with fixed plate (11), in the bronchus (2)
It is fixedly installed in the middle part of chamber gag lever post (14), the gag lever post (14) extends to acoustical panel (15) through each acoustical panel (15)
Outside, the both ends of the gag lever post (14) are fixedly installed with limited block (19), and the acoustical panel (15) is solid between any two
Dingan County is equipped with equally distributed spring (13), the arc pressure relief plate (17), buffer board (8), exhaustion plate (9) and acoustical panel (15)
Outer surface offer air hole (18).
2. a kind of exhaust pipe denoising device according to claim 1, it is characterised in that: the connector (1) into
Integrally formed with connecting tube (3) at port, the outer sheath of the connecting tube (3) is equipped with screw-casing (4), and the connecting tube (3) is logical
The screw thread that its outer surface opens up is crossed to be threadedly coupled with screw-casing (4).
3. a kind of exhaust pipe denoising device according to claim 2, it is characterised in that: the connecting tube (3) is separate
The strip (5) that one end of connector (1) is distributed integrally formed with circular array, and strip (5) is inclined outwardly, the strip
(5) between any two there are gap, integrally formed with fixture block on inner wall of the strip (5) far from the one end of connecting tube (3)
(6)。
4. a kind of exhaust pipe denoising device according to claim 1, it is characterised in that: the bronchus (2) it is interior
It is offered on wall equally distributed gas pressure relief slot (16), is fixedly installed with wave crest sound-absorbing sponge on the inner wall of the bronchus (2)
(7)。
5. a kind of exhaust pipe denoising device according to claim 1, it is characterised in that: the exhaustion plate (9) is in incline
Tiltedly setting, and the installation direction of the exhaustion plate (9) between two groups of adjacent buffer boards (8) is opposite.
6. a kind of exhaust pipe denoising device according to claim 1, it is characterised in that: sound arrester (10) packet
It includes glass fibre cotton layer (101), the side of the glass fibre cotton layer (101) is bonded with rock wool layer (102), the rock wool layer
(102) side is bonded with layer of mineral wool (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520771.7U CN208311776U (en) | 2018-04-13 | 2018-04-13 | A kind of exhaust pipe denoising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520771.7U CN208311776U (en) | 2018-04-13 | 2018-04-13 | A kind of exhaust pipe denoising device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311776U true CN208311776U (en) | 2019-01-01 |
Family
ID=64719768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820520771.7U Expired - Fee Related CN208311776U (en) | 2018-04-13 | 2018-04-13 | A kind of exhaust pipe denoising device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311776U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410649A (en) * | 2019-08-20 | 2019-11-05 | 徐州三科电气有限公司 | A kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction |
| CN114060641A (en) * | 2021-11-24 | 2022-02-18 | 重庆诺贝尔福基机电有限公司 | Air inlet pipe for increasing airflow stability |
| CN114941761A (en) * | 2022-05-05 | 2022-08-26 | 浙江超力防火设备有限公司 | Treatment equipment for leakage noise of gas conveying pipeline |
| CN116357825A (en) * | 2023-05-10 | 2023-06-30 | 建湖威尔森压力设备有限公司 | Four-way valve with explosion venting and pressure releasing functions |
-
2018
- 2018-04-13 CN CN201820520771.7U patent/CN208311776U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410649A (en) * | 2019-08-20 | 2019-11-05 | 徐州三科电气有限公司 | A kind of high and low voltage electrical equipment lifting device of sound insulation and noise reduction |
| CN114060641A (en) * | 2021-11-24 | 2022-02-18 | 重庆诺贝尔福基机电有限公司 | Air inlet pipe for increasing airflow stability |
| CN114941761A (en) * | 2022-05-05 | 2022-08-26 | 浙江超力防火设备有限公司 | Treatment equipment for leakage noise of gas conveying pipeline |
| CN114941761B (en) * | 2022-05-05 | 2023-01-31 | 浙江超力防火设备有限公司 | Treatment equipment for leakage noise of gas conveying pipeline |
| CN116357825A (en) * | 2023-05-10 | 2023-06-30 | 建湖威尔森压力设备有限公司 | Four-way valve with explosion venting and pressure releasing functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20200413 |