CN206803455U - A kind of shock-reducing and noise-reducing structure passed in and out in the same direction - Google Patents
A kind of shock-reducing and noise-reducing structure passed in and out in the same direction Download PDFInfo
- Publication number
- CN206803455U CN206803455U CN201721043758.9U CN201721043758U CN206803455U CN 206803455 U CN206803455 U CN 206803455U CN 201721043758 U CN201721043758 U CN 201721043758U CN 206803455 U CN206803455 U CN 206803455U
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- CN
- China
- Prior art keywords
- noise reduction
- bucket
- wall
- reducing
- perforates
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- 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
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- Rotary Pumps (AREA)
Abstract
The utility model discloses a kind of shock-reducing and noise-reducing structure passed in and out in the same direction, includes interior noise reduction bucket, and the interior noise reduction bucket is barrel-shaped, the one end open of the interior noise reduction bucket, and the other end is closed；One end of closing is provided with air inlet pipe and escape pipe, and air inlet pipe and escape pipe inside interior noise reduction bucket with connecting；Also include and close at the outer encirclement bucket of interior noise reduction bucket parcel closing, the outer both ends for surrounding bucket, air inlet pipe and escape pipe are through the same end face of outer encirclement bucket；Designed by acoustic construction, realize the layering decay of gas pulsation, so as to effectively reduce vibrations noise, especially gas low frequency noise.
Description
Technical field
It the utility model is related to a kind of shock-reducing and noise-reducing structure passed in and out in the same direction.
Background technology
At present, indoor noise reduction more and more obtains the attention of people, especially the use of various VMCs at present, because
, in order to obtain preferable noise control, people design various denoising structures for this, wherein, carry out noise reduction exclusively for air pipe structure
Be particularly important.
Utility model content
The purpose of this utility model is to overcome disadvantages described above, there is provided a kind of damping noise reduction knot passed in and out in the same direction
Structure.
To achieve the above object, concrete scheme of the present utility model is as follows：A kind of shock-reducing and noise-reducing structure passed in and out in the same direction, bag
Interior noise reduction bucket is included, the interior noise reduction bucket is barrel-shaped, the one end open of the interior noise reduction bucket, and the other end is closed；The one of closing
End is provided with air inlet pipe and escape pipe, and air inlet pipe and escape pipe inside interior noise reduction bucket with connecting；Also include interior noise reduction bucket
The outer encirclement bucket of closing is wrapped up, the outer both ends for surrounding bucket are closed, and air inlet pipe and escape pipe are through the same of outer encirclement bucket
End face；
On the interior noise reduction bucket inwall, around inwall be provided with the first noise reduction wall, the second noise reduction wall higher than the first noise reduction wall,
Higher than the 3rd noise reduction wall of the second noise reduction wall；It is small that the internal diameter of first noise reduction wall is less than the second noise reduction wall, the internal diameter of the second noise reduction wall
In the 3rd noise reduction wall；
First noise reduction wall is provided with multiple first perforates, the second noise reduction wall is provided with multiple second perforates；3rd drop
Wall of making an uproar is provided with multiple 3rd perforates；4th noise reduction wall is provided with multiple 4th perforates；
The bucket bottom inner bottom surface of the interior noise reduction bucket is provided with segmenting wall body, and the air inlet pipe and escape pipe are respectively positioned at wall
Both sides.
Wherein, the first perforate on the first noise reduction wall is four, and the arc length such as four first perforates is set；Second noise reduction wall
On the second perforate be four, and the arc length such as four second perforates is set；The 3rd perforate on 3rd noise reduction wall is four, and four
The arc length such as individual 3rd perforate are set.
Wherein, the surface of the interior noise reduction bucket is additionally provided with the 4th perforate.
Wherein, it is covered with film in the 4th perforate.
The beneficial effects of the utility model are：Designed by acoustic construction, the layering decay of gas pulsation is realized, so as to have
Effect reduces vibrations noise, especially gas low frequency noise.
Brief description of the drawings
Fig. 1 is stereogram of the present utility model；
Fig. 2 is broken away view of the present utility model；
Fig. 3 is sectional view of the present utility model；
Fig. 4 is the partial sectional view of interior noise reduction bucket；
Description of reference numerals in Fig. 1 to Fig. 4：
Bucket is surrounded outside 1-；Noise reduction bucket in 2-；The perforates of 21- first；The perforates of 22- second；The perforates of 23- the 3rd；24- the 4th is opened
Hole；The noise reduction walls of 31- first；The noise reduction walls of 32- second；The noise reduction walls of 33- the 3rd；4- segmenting wall bodies；5- air inlet pipe；6- escape pipes.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, is not this practicality
New practical range is confined to this.
As shown in Figures 1 to 4, a kind of shock-reducing and noise-reducing structure passed in and out in the same direction described in the present embodiment, includes interior noise reduction
Bucket 2, the interior noise reduction bucket 2 are barrel-shaped, the one end open of the interior noise reduction bucket 2, and the other end is closed；One end of closing be provided with into
Tracheae 5 and escape pipe 6, air inlet pipe 5 and escape pipe 6 connect with the interior inside of noise reduction bucket 2；Also include and wrap interior noise reduction bucket 2
The outer encirclement bucket 1 of closing is wrapped up in, the outer both ends for surrounding bucket 1 are closed, and air inlet pipe 5 and escape pipe 6 are through the same of outer encirclement bucket 1
Individual end face；
The first noise reduction wall 31, the second drop higher than the first noise reduction wall 31 are provided with the interior inwall of noise reduction bucket 2, around inwall
Make an uproar wall 32, the 3rd noise reduction wall 33 higher than the second noise reduction wall 32；The internal diameter of first noise reduction wall 31 is less than the second noise reduction wall 32, second
The internal diameter of noise reduction wall 32 is less than the 3rd noise reduction wall 33；
First noise reduction wall 31 is provided with multiple first perforates 21, the second noise reduction wall 32 is provided with multiple second perforates
22；3rd noise reduction wall 33 is provided with multiple 3rd perforates 23；4th noise reduction wall is provided with multiple 4th perforates 24；
The bucket bottom inner bottom surface of the interior noise reduction bucket 2 is provided with segmenting wall body 4, and the air inlet pipe 5 and escape pipe 6 are located at wall respectively
The both sides of body.
The utility model is designed by acoustic construction, is realized the layering decay of gas pulsation, is made an uproar so as to effectively reduce vibrations
Sound, especially gas low frequency noise.
A kind of shock-reducing and noise-reducing structure passed in and out in the same direction described in the present embodiment, the first perforate 21 on the first noise reduction wall 31 are
Four, and the arc length such as four first perforates 21 is set；The second perforate 22 on second noise reduction wall 32 is four, and four second are opened
The arc length such as hole 22 are set；The 3rd perforate 23 on 3rd noise reduction wall 33 is four, and the arc length such as four the 3rd perforates 23 is set.This
A kind of shock-reducing and noise-reducing structure passed in and out in the same direction described in embodiment, the surface of the interior noise reduction bucket 2 are additionally provided with the 4th perforate 24.This
A kind of shock-reducing and noise-reducing structure passed in and out in the same direction described in embodiment, film is covered with the 4th perforate 24.
Described above is only a preferred embodiment of the present utility model, therefore all according to the utility model patent application range institute
The equivalent change or modification that construction, feature and the principle stated are done, in the protection domain of the utility model patent application.
Claims (4)
- A kind of 1. shock-reducing and noise-reducing structure passed in and out in the same direction, it is characterised in that：Include interior noise reduction bucket（2）, the interior noise reduction bucket（2） To be barrel-shaped, the interior noise reduction bucket（2）One end open, the other end closing；One end of closing is provided with air inlet pipe（5）And outlet Pipe（6）, air inlet pipe（5）And escape pipe（6）With interior noise reduction bucket（2）Inside connection；Also include interior noise reduction bucket（2）Parcel envelope The outer encirclement bucket closed（1）, outer encirclement bucket（1）Both ends close, air inlet pipe（5）And escape pipe（6）Run through outer encirclement bucket（1） Same end face；The interior noise reduction bucket（2）The first noise reduction wall is provided with inwall, around inwall（31）, higher than the first noise reduction wall（31）Second Noise reduction wall（32）, higher than the second noise reduction wall（32）The 3rd noise reduction wall（33）；First noise reduction wall（31）Internal diameter be less than second drop Make an uproar wall（32）, the second noise reduction wall（32）Internal diameter be less than the 3rd noise reduction wall（33）；First noise reduction wall（31）It is provided with multiple first perforates（21）, the second noise reduction wall（32）It is provided with multiple second perforates （22）；3rd noise reduction wall（33）It is provided with multiple 3rd perforates（23）；4th noise reduction wall is provided with multiple 4th perforates（24）；The interior noise reduction bucket（2）Bucket bottom inner bottom surface be provided with segmenting wall body（4）, the air inlet pipe（5）And escape pipe（6）Position respectively In the both sides of wall.
- A kind of 2. shock-reducing and noise-reducing structure passed in and out in the same direction according to claim 1, it is characterised in that：First noise reduction wall（31） On the first perforate（21）For four, and four the first perforates（21）Set etc. arc length；Second noise reduction wall（32）On second open Hole（22）For four, and four the second perforates（22）Set etc. arc length；3rd noise reduction wall（33）On the 3rd perforate（23）For four It is individual, and four the 3rd perforates（23）Set etc. arc length.
- A kind of 3. shock-reducing and noise-reducing structure passed in and out in the same direction according to claim 1, it is characterised in that：The interior noise reduction bucket （2）Surface be additionally provided with the 4th perforate（24）.
- A kind of 4. shock-reducing and noise-reducing structure passed in and out in the same direction according to claim 1, it is characterised in that：4th perforate （24）On be covered with film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721043758.9U CN206803455U (en) | 2017-08-21 | 2017-08-21 | A kind of shock-reducing and noise-reducing structure passed in and out in the same direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721043758.9U CN206803455U (en) | 2017-08-21 | 2017-08-21 | A kind of shock-reducing and noise-reducing structure passed in and out in the same direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206803455U true CN206803455U (en) | 2017-12-26 |
Family
ID=60747913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721043758.9U Expired - Fee Related CN206803455U (en) | 2017-08-21 | 2017-08-21 | A kind of shock-reducing and noise-reducing structure passed in and out in the same direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206803455U (en) |
-
2017
- 2017-08-21 CN CN201721043758.9U patent/CN206803455U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200320 Address after: 644000 No.6, floor 1, unit 1, building 1, No.134 Xingda street, Xunchang Town, Gongxian County, Yibin City, Sichuan Province Patentee after: SICHUAN DENENG ENGINEERING PROJECT MANAGEMENT Co.,Ltd. Address before: 523000 Wanke City Plaza, Qifeng Road, Guancheng District, Dongguan City, Guangdong Province, No. 403, 7 blocks Patentee before: Huang Xu |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20210821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |