CN206802613U - A kind of through type tracheae shock-reducing and noise-reducing structure - Google Patents
A kind of through type tracheae shock-reducing and noise-reducing structure Download PDFInfo
- Publication number
- CN206802613U CN206802613U CN201721043745.1U CN201721043745U CN206802613U CN 206802613 U CN206802613 U CN 206802613U CN 201721043745 U CN201721043745 U CN 201721043745U CN 206802613 U CN206802613 U CN 206802613U
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- China
- Prior art keywords
- noise reduction
- bucket
- reducing
- wall
- noise
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- Cage And Drive Apparatuses For Elevators (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model discloses a kind of through type tracheae shock-reducing and noise-reducing structure, includes barrel-shaped interior noise reduction bucket；The one end open of interior noise reduction bucket, other end closing；One end of closing is provided with air inlet pipe, and air inlet pipe in 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, through the outer end face for surrounding bucket, other end is provided with escape pipe for air inlet pipe one end, and escape pipe connects with 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 through type tracheae shock-reducing and noise-reducing structure.
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 through type tracheae damping noise reduction knot
Structure.
To achieve the above object, concrete scheme of the present utility model is as follows：A kind of through type tracheae shock-reducing and noise-reducing structure, bag
Include barrel-shaped interior noise reduction bucket；The one end open of interior noise reduction bucket, other end closing；One end of closing is provided with air inlet pipe, air inlet
Pipe in 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,
Through the outer end face for surrounding bucket, other end is provided with escape pipe for air inlet pipe one end, and escape pipe connects with outer encirclement bucket；
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.
Wherein, the first perforate on the first noise reduction wall is four, and four the first perforate arc length are set；On second noise reduction wall
The second perforate be four, and four the second perforate arc length are set；The 3rd perforate on 3rd noise reduction wall is four, and four the
Three perforate arc length 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 profile of the present utility model；
Fig. 3 is the three-dimensional structure diagram of interior noise reduction bucket of the present utility model；
Description of reference numerals in Fig. 1 to Fig. 3：
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；31- escape pipes；32- air inlet pipe；The noise reduction walls of 41- first；The noise reduction walls of 42- second；The noise reduction walls of 43- the 3rd.
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 Figure 1 to Figure 3, a kind of through type tracheae shock-reducing and noise-reducing structure described in the present embodiment, includes barrel-shaped
Interior noise reduction bucket 2；The one end open of interior noise reduction bucket 2, other end closing；One end of closing is provided with air inlet pipe 32, air inlet pipe 32 with
Connected in interior noise reduction bucket 2；Also including the outer encirclement bucket 1 that interior noise reduction bucket 2 is wrapped up to closing, the outer both ends for surrounding bucket 1 are closed,
For the one end of air inlet pipe 32 through the outer end face for surrounding bucket 1, other end is provided with escape pipe 31, and escape pipe 31 connects with outer encirclement bucket 1
It is logical；On the interior inwall of noise reduction bucket 2 the first noise reduction wall 41, the second noise reduction wall higher than the first noise reduction wall 41 are provided with around inwall
42nd, higher than the 3rd noise reduction wall 43 of the second noise reduction wall 42；The internal diameter of first noise reduction wall 41 is less than the second noise reduction wall 42, the second noise reduction
The internal diameter of wall 42 is less than the 3rd noise reduction wall 43；First noise reduction wall 41 is provided with multiple first perforates 21, the second noise reduction wall 42
It is provided with multiple second perforates 22；3rd noise reduction wall 43 is provided with multiple 3rd perforates 23；4th noise reduction wall is provided with multiple the
Four perforates 24.
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 through type tracheae shock-reducing and noise-reducing structure described in the present embodiment, the first perforate 21 on the first noise reduction wall 41 are
Four, and four arc length of the first perforate 21 are set；The second perforate 22 on second noise reduction wall 42 is four, and four the second perforates
22 arc length are set；The 3rd perforate 23 on 3rd noise reduction wall 43 is four, and four arc length of the 3rd perforate 23 are set.
A kind of through type tracheae shock-reducing and noise-reducing structure described in the present embodiment, the surface of the interior noise reduction bucket 2 are additionally provided with
Four perforates 24.
A kind of through type tracheae shock-reducing and noise-reducing structure described in the present embodiment, film is covered with the 4th perforate 24.
, it is found that, can be by intermediate frequency sound attenuation to a certain extent after it pastes film by constantly testing.
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. through type tracheae shock-reducing and noise-reducing structure, it is characterised in that：Include barrel-shaped interior noise reduction bucket（2）；Interior noise reduction Bucket（2）One end open, the other end closing；One end of closing is provided with air inlet pipe（32）, air inlet pipe（32）With interior noise reduction bucket（2）It is interior Connection；Also include interior noise reduction bucket（2）Wrap up the outer encirclement bucket of closing（1）, outer encirclement bucket（1）Both ends close, air inlet Pipe（32）Through outer encirclement bucket（1）End face, other end is provided with escape pipe（31）, escape pipe（31）With outer encirclement bucket（1） Connection；The interior noise reduction bucket（2）The first noise reduction wall is provided with inwall, around inwall（41）, higher than the first noise reduction wall（41）Second Noise reduction wall（42）, higher than the second noise reduction wall（42）The 3rd noise reduction wall（43）；First noise reduction wall（41）Internal diameter be less than second drop Make an uproar wall（42）, the second noise reduction wall（42）Internal diameter be less than the 3rd noise reduction wall（43）；First noise reduction wall（41）It is provided with multiple first perforates（21）, the second noise reduction wall（42）It is provided with multiple second perforates （22）；3rd noise reduction wall（43）It is provided with multiple 3rd perforates（23）；4th noise reduction wall is provided with multiple 4th perforates（24）.
- A kind of 2. through type tracheae shock-reducing and noise-reducing structure according to claim 1, it is characterised in that：First noise reduction wall（41） On the first perforate（21）For four, and four the first perforates（21）Arc length is set；Second noise reduction wall（42）On the second perforate （22）For four, and four the second perforates（22）Arc length is set；3rd noise reduction wall（43）On the 3rd perforate（23）For four, and Four the 3rd perforates（23）Arc length is set.
- A kind of 3. through type tracheae shock-reducing and noise-reducing structure 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. through type tracheae shock-reducing and noise-reducing structure according to claim 3, it is characterised in that：4th perforate （24）On be covered with film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721043745.1U CN206802613U (en) | 2017-08-21 | 2017-08-21 | A kind of through type tracheae shock-reducing and noise-reducing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721043745.1U CN206802613U (en) | 2017-08-21 | 2017-08-21 | A kind of through type tracheae shock-reducing and noise-reducing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206802613U true CN206802613U (en) | 2017-12-26 |
Family
ID=60747976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721043745.1U Expired - Fee Related CN206802613U (en) | 2017-08-21 | 2017-08-21 | A kind of through type tracheae shock-reducing and noise-reducing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206802613U (en) |
-
2017
- 2017-08-21 CN CN201721043745.1U patent/CN206802613U/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: 20200325 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 |