CN107461562A - 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
- CN107461562A CN107461562A CN201710716831.2A CN201710716831A CN107461562A CN 107461562 A CN107461562 A CN 107461562A CN 201710716831 A CN201710716831 A CN 201710716831A CN 107461562 A CN107461562 A CN 107461562A
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- China
- Prior art keywords
- noise reduction
- bucket
- reducing
- noise
- wall
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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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention 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
The present invention relates 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.
The content of the invention
It is an object of the invention to overcome disadvantages described above, there is provided a kind of through type tracheae shock-reducing and noise-reducing structure.
To achieve the above object, concrete scheme of the invention is as follows：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, air inlet pipe with
Connected in interior noise reduction bucket；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
Through the outer end face for surrounding bucket, other end is provided with escape pipe for pipe one end, and escape pipe connects with outer encirclement bucket；
The first noise reduction wall, the second noise reduction wall higher than the first noise reduction wall are provided with around inwall, be higher than on the interior noise reduction bucket inwall
3rd noise reduction wall of the second noise reduction wall；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 is less than the
Three noise reduction walls；
First noise reduction wall is provided with multiple first perforates, the second noise reduction wall is provided with multiple second perforates；3rd noise reduction wall
It 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.
Beneficial effects of the present invention are：Designed by acoustic construction, the layering decay of gas pulsation is realized, so as to effectively drop
Low vibrations noise, especially gas low frequency noise.
Brief description of the drawings
Fig. 1 is the stereogram of the present invention；
Fig. 2 is the profile that the present invention is the present invention；
Fig. 3 is the three-dimensional structure diagram of the interior noise reduction bucket of the present invention；
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；The perforates of 24- the 4th；31-
Escape pipe；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 present invention is further detailed explanation with specific embodiment below in conjunction with the accompanying drawings, is not the reality the present invention
Apply scope and be 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 present invention is designed by acoustic construction, realizes the layering decay of gas pulsation, so as to effectively reduce vibrations noise, especially
It is 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 the preferred embodiment of the present invention, therefore all structures described according to present patent application scope
Make, the equivalent change or modification that feature and principle are done, in the protection domain of present patent application.
Claims (5)
- 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）.
- A kind of 2. through type tracheae shock-reducing and noise-reducing structure according to claim 1, it is characterised in that：Interior noise reduction bucket（2）'s One end open, other end closing；One end of closing is provided with air inlet pipe（32）, air inlet pipe（32）With interior noise reduction bucket（2）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）Pass through Wear 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 3. through type tracheae shock-reducing and noise-reducing structure according to claim 2, 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 4. through type tracheae shock-reducing and noise-reducing structure according to claim 2, it is characterised in that：The interior noise reduction bucket （2）Surface be additionally provided with the 4th perforate（24）.
- A kind of 5. through type tracheae shock-reducing and noise-reducing structure according to claim 2, it is characterised in that：4th perforate （24）On be covered with film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710716831.2A CN107461562A (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 |
|---|---|---|---|
| CN201710716831.2A CN107461562A (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 |
|---|---|
| CN107461562A true CN107461562A (en) | 2017-12-12 |
Family
ID=60549086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710716831.2A Withdrawn CN107461562A (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) | CN107461562A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720650A (en) * | 2020-06-16 | 2020-09-29 | 新昌县长城空调部件股份有限公司 | Stainless steel silencer joint and manufacturing method thereof |
-
2017
- 2017-08-21 CN CN201710716831.2A patent/CN107461562A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720650A (en) * | 2020-06-16 | 2020-09-29 | 新昌县长城空调部件股份有限公司 | Stainless steel silencer joint and manufacturing method thereof |
| CN111720650B (en) * | 2020-06-16 | 2021-11-30 | 新昌县长城空调部件股份有限公司 | Stainless steel silencer joint and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171212 |
|
| WW01 | Invention patent application withdrawn after publication |