CN205004027U - Corrugated surface tubulose silencer - Google Patents
Corrugated surface tubulose silencer Download PDFInfo
- Publication number
- CN205004027U CN205004027U CN201520744219.2U CN201520744219U CN205004027U CN 205004027 U CN205004027 U CN 205004027U CN 201520744219 U CN201520744219 U CN 201520744219U CN 205004027 U CN205004027 U CN 205004027U
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- Prior art keywords
- pipe
- sound insulation
- noise reduction
- amortization
- noise
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Abstract
The utility model discloses a corrugated surface tubulose silencer, including unsmooth formula amortization core pipe, sound insulation lead pipe, second grade hush pipe and amortization body, the amortization body is three -layer amortization structure, and amortization body outmost be provided with syllable -dividing lead pipe, the second grade hush pipe is installed in the inside of giving sound insulation the lead pipe, and second grade hush pipe and the clearance department packing between the lead pipe of giving sound insulation have an intensive sound cotton that inhales, the inside at the second grade hush pipe is installed to unsmooth formula amortization core pipe, unsmooth formula amortization core pipe was become with the concave nest of tubes of glass fiber formula amortization by the stereotype protruding festival of sound insulation. The utility model discloses the setting of the amortization core pipe of inside unsmooth formula, to well low -frequency noise, the stereotype that bulge adopted gives sound insulation, can carry out effectual reflection, makes its more thorough entering bloop and hush pipe, is absorbed by the noise elimination material, outmostly is provided with syllable -dividing lead pipe, and the bilayer ensures the effectual noise effect external world that has completely cut off the loss, has improved noise suppression effect greatly.
Description
Technical field
The utility model belongs to sound suppressor technical field, is specifically related to a kind of male and fomale(M&F) tubular muffler.
Background technology
Sound suppressor mainly utilizes sound wave to propagate in porous sound-absorbing material or sound absorption structure, dissipates because acoustic energy is converted into heat energy in friction, the noise propagated is decayed with distance, thus reach the sound suppressor of noise elimination object along air channel.Generally be made up of lightgage steel joist, glass fabric, microperforated panel, ultracentrifugation formula glass wool, quiet sound felt etc.But its defect is also apparent, and this kind of sound suppressor generally has good soundproof effect to high-frequency noises, and low frequency acoustic attenuation performance is poor.
Such as, but all kinds of low-frequency noise of the life of urbanization now also cannot be avoided, sewer pipe and air conditioning wind pipe etc., the effect using the sound suppressor of these medium-high frequencies to play is not good, and material is rare, and cost of investment is larger; And Today, most noise-abatement equipment requires all higher for installation accuracy, and inapplicable most of occasion, after adding noise-abatement equipment especially, unavoidable destruction monnolithic case attractive in appearance, for the urban life noise of low requirement, do like this and be extremely not easy to a large amount of promoting the use of, controlled the development in sound suppressor field, break-in deepened the impact of domestic noise for people's quality of life; These problems all need our solve.
Utility model content
The purpose of this utility model is to provide a kind of male and fomale(M&F) tubular muffler, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of male and fomale(M&F) tubular muffler, comprise lenticular noise reduction core pipe, sound insulation lead pipe, secondary hush pipe and noise reduction body, described noise reduction body is three layers of noise-reducing structure, and the outermost layer of noise reduction body is provided with sound insulation lead pipe, described secondary hush pipe is arranged on the inside of sound insulation lead pipe, and the gap location between secondary hush pipe and sound insulation lead pipe is filled with intensive acoustical cotton, described lenticular noise reduction installation of core pipe is in the inside of secondary hush pipe, described lenticular noise reduction core pipe is made up of the convex joint of stereotype sound insulation and the recessed pipe of glass fibre formula noise reduction.
Preferably, the recessed pipe of described glass fibre formula noise reduction is provided with intensive bloop.
Preferably, described sound insulation lead pipe is identical with the length of secondary hush pipe, and the length of lenticular noise reduction core pipe is longer.
Preferably, the two ends, left and right of described lenticular noise reduction core pipe are provided with connecting thread.
Compared with prior art, the beneficial effects of the utility model are: this male and fomale(M&F) tubular muffler is scientific and reasonable for structure, safe and convenient to use, the setting of inner lenticular noise reduction core pipe, for Middle and low frequency noise, the stereotype sound insulation that bossing adopts, can effectively reflect, it is made more thoroughly to enter bloop and hush pipe, 's absorb by deadener, and outermost layer is provided with sound insulation lead pipe, the noise effect that double-deck guarantee has effectively completely cut off loss is extraneous, substantially increases soundproof effect; Institute's consumable material is all comparatively common, reduces cost of investment; Two ends are provided with connecting thread, and integral shaft symmetrical structure designs, and it is more convenient to make to install and use, and effectively reduces life low-frequency noise for the impact of quality of life, is convenient to promote the use of on a large scale.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the stretch-out view of secondary hush pipe of the present utility model.
In figure: 1, bloop, 2, lenticular noise reduction core pipe, 3, sound insulation lead pipe, 4, the convex joint of stereotype sound insulation, 5, the recessed pipe of glass fibre formula noise reduction, 6, secondary hush pipe, 7, connecting thread, 8, noise reduction body, 9, acoustical cotton.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-2, the utility model provides a kind of technical scheme: a kind of male and fomale(M&F) tubular muffler, comprise lenticular noise reduction core pipe 2, sound insulation lead pipe 3, secondary hush pipe 6 and noise reduction body 8, noise reduction body 8 is three layers of noise-reducing structure, and the outermost layer of noise reduction body 8 is provided with sound insulation lead pipe 3, secondary hush pipe 6 is arranged on the inside of sound insulation lead pipe 3, and the gap location between secondary hush pipe 6 and sound insulation lead pipe 3 is filled with intensive acoustical cotton 9, lenticular noise reduction core pipe 2 is arranged on the inside of secondary hush pipe 6, sound insulation lead pipe 3 is identical with the length of secondary hush pipe 6, and the length of lenticular noise reduction core pipe 2 is longer, lenticular noise reduction core pipe 2 is made up of the convex joint of stereotype sound insulation 4 and the recessed pipe 5 of glass fibre formula noise reduction, the recessed pipe of glass fibre formula noise reduction 5 is provided with intensive bloop 1, the two ends, left and right of lenticular noise reduction core pipe 2 are provided with connecting thread 7.
Principle of work: the utility model is with low cost, safe and convenient to use, two ends are provided with connecting thread 7, convenient install, and tubular structure volume is less, can not give a kind of lofty sense of being discord of people during installation, for the aesthetic feeling of monnolithic case without impact, after installation, fluid or other materials are normal through pipeline, because rubbing, first the noise produced enters lenticular noise reduction core pipe 2, on the recessed pipe 5 of glass fibre formula noise reduction bloop 1 effect under, noise is by initial absorption, noise after loss is through the convex joint 4 of stereotype sound insulation, be totally reflected under the effect of stereotype, a part enters bloop 1, another part enters in secondary hush pipe 6, the secondary carrying out noise is removed, residual noise after secondary hush pipe 6 absorbs continues to external diffusion, touch outermost sound insulation lead pipe 3, the sound-proof material of plumbous matter on inwall, effective noise insulation outwardly spreads, make it to return, continue to be absorbed by secondary hush pipe 6, the third time of carrying out middle noise removes, if also have residual noise to penetrate secondary hush pipe 6, then under the reflex of the convex joint 4 of stereotype sound insulation of next joint, continue to be absorbed by bloop 1 and secondary hush pipe 6, circulation like this, know that noise is completely absorbed, three layers of tight cooperation of eliminating the noise, make soundproof effect better, for extraneous without impact, improve the quality of life of people greatly, the interference of domestic noise is exempted from root.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (4)
1. a male and fomale(M&F) tubular muffler, comprise lenticular noise reduction core pipe (2), sound insulation lead pipe (3), secondary hush pipe (6) and noise reduction body (8), it is characterized in that: described noise reduction body (8) is three layers of noise-reducing structure, and the outermost layer of noise reduction body (8) is provided with sound insulation lead pipe (3), described secondary hush pipe (6) is arranged on the inside of sound insulation lead pipe (3), and the gap location between secondary hush pipe (6) and sound insulation lead pipe (3) is filled with intensive acoustical cotton (9), described lenticular noise reduction core pipe (2) is arranged on the inside of secondary hush pipe (6), described lenticular noise reduction core pipe (2) is made up of the convex joint of stereotype sound insulation (4) and the recessed pipe of glass fibre formula noise reduction (5).
2. a kind of male and fomale(M&F) tubular muffler according to claim 1, is characterized in that: the recessed pipe of described glass fibre formula noise reduction (5) is provided with intensive bloop (1).
3. a kind of male and fomale(M&F) tubular muffler according to claim 1, is characterized in that: described sound insulation lead pipe (3) is identical with the length of secondary hush pipe (6), and the length of lenticular noise reduction core pipe (2) is longer.
4. a kind of male and fomale(M&F) tubular muffler according to claim 1, is characterized in that: the two ends, left and right of described lenticular noise reduction core pipe (2) are provided with connecting thread (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520744219.2U CN205004027U (en) | 2015-09-24 | 2015-09-24 | Corrugated surface tubulose silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520744219.2U CN205004027U (en) | 2015-09-24 | 2015-09-24 | Corrugated surface tubulose silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205004027U true CN205004027U (en) | 2016-01-27 |
Family
ID=55160905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520744219.2U Expired - Fee Related CN205004027U (en) | 2015-09-24 | 2015-09-24 | Corrugated surface tubulose silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205004027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629002A (en) * | 2021-01-06 | 2021-04-09 | 施明娣 | Warm air current silencer that leads to of building engineering |
-
2015
- 2015-09-24 CN CN201520744219.2U patent/CN205004027U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629002A (en) * | 2021-01-06 | 2021-04-09 | 施明娣 | Warm air current silencer that leads to of building engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 350001 08, room 8, New Asia building, 121 East Street, Gulou District, Fuzhou, Fujian. Patentee after: Fujian Ya Chuan Environmental Technology Co., Ltd. Address before: 350700 No. 169, Si Zhou road, Zhang Town, Yongtai County, Fuzhou, Fujian Patentee before: FUJIAN SANYI ENVIRONMENTAL TECHNOLOGY CO., LTD. |
|
| 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: 20160127 Termination date: 20190924 |