CN101338846A - Flexible silencer - Google Patents
Flexible silencer Download PDFInfo
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- CN101338846A CN101338846A CNA2008101272008A CN200810127200A CN101338846A CN 101338846 A CN101338846 A CN 101338846A CN A2008101272008 A CNA2008101272008 A CN A2008101272008A CN 200810127200 A CN200810127200 A CN 200810127200A CN 101338846 A CN101338846 A CN 101338846A
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- noise reduction
- flexible tube
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- tube
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Abstract
The invention discloses a flexible silencer which comprises a termination flange, a silencing internal hose, a silencing external hose, an isolation layer, a sound absorbent lining and a composite hose. The flexible silencer is characterized in that: the silencing internal hose is densely equipped with a plurality of silencing holes, the external part of the silencing internal hose is covered with the external silencing hose; the silencing external hose is densely equipped with a plurality of silencing holes, a sound absorbent cavity is positioned between the silencing internal hose and the silencing external hose, a plurality of fixing rings are arranged in the sound absorbent cavity in interval, the external part of the silencing external hose is equipped with the isolation layer, the external part of the isolation layer is equipped with the sound absorbent lining, the external part of the sound absorbent lining is covered with the composite hose, and the silencing internal hose and the internal-circular connector of the termination flange are fixedly connected; the silencing external hose, the composite hose and the connector of the external-circular turned-edge connector of the termination flange are fixedly connected mutually. The flexible silencer is made of the flexible material which can be bent, the sound absorbent material and the reasonable silence structure, the invention can be configured according to the environment condition, and has the advantages of low cost, good silence effect and convenient installation.
Description
Technical field
The present invention relates to silencer, be meant a kind of pneumatic noise that produces when being used to eliminate gas delivery and the flexible silencer of vibrations especially.
Background technique
In industrial production and life, usually need to utilize blower fan or similar power plant and pipeline to carry out gas delivery, air-conditioning system of the ventilation system in the industrial and mining enterprise, building central authorities control or the like for example, owing to require different to the ventilation in each environment, wind speed in the system, so latter end in system, be that near the sound decibel number that wind is made an uproar, shaken the exhaust outlet is very big, influenced people and produced normally, live.Make an uproar, shake in order to eliminate the wind that said system produces near exhaust outlet; The technician can install baffler near the pipeline the exhaust outlet, the sound that wind is made an uproar, shaken is eliminated or weakened.Normally used silencing apparatus is mounted in the ventilation duct, is arranged near the exhaust outlet; And the structure of silencing apparatus all is the outside rigid construction that is, the inner quieter material of filling, and in order to reach the effect of desirable noise reduction, the volume of baffler is bigger, and not bent.And ventilation system commonly used is arranged on ceiling inside, and wherein the space is less, and the pipeline of various fire-fightings, strong, weak electricity intersects in length and breadth, and it is just very difficult that existing silencing apparatus is installed, and causes the very big inconvenience of construction, influenced the quality of integrated engineering.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and provide a kind of cost low, the flexible silencer effective, easy for installation of eliminating the noise.
Technological scheme of the present invention is:
A kind of flexible silencer includes flange, noise reduction inner flexible tube, noise reduction outer flexible tube, separation layer, sound-absorption layer, composite soft tube, it is characterized in that: be densely covered with the noise reduction hole on the noise reduction inner flexible tube; The outer cover of noise reduction inner flexible tube is equipped with outer Sound eliminating soft pipe; Be densely covered with the noise reduction hole on the noise reduction outer flexible tube; Be provided with the sound-absorbing cavity between the inside and outside flexible pipe of noise reduction; Be interval with retaining ring in the sound-absorbing cavity; Noise reduction outer flexible tube outside is provided with separation layer; The outside of separation layer is a sound-absorption layer; The outside of sound-absorption layer is with composite soft tube; The interior round interface Joint of noise reduction inner flexible tube and flange; The cylindrical crimping interface Joint of noise reduction outer flexible tube, composite soft tube and flange.
Described noise reduction inner flexible tube or noise reduction outer flexible tube are selected one or more of following material for use, and it comprises: aluminium foil, PVC, plastic-coated fabric or other flexible material; And be composited with spiral wire.
Described noise reduction inner flexible tube or noise reduction outer flexible tube are selected thin metallic material for use, and it comprises: iron sheet, aluminium skin and stainless steel sheet; And form around being the corrugated seaming.
Described composite soft tube is selected one or more of following material for use, and it comprises: aluminium foil, PVC, plastic-coated fabric or other flexible material; And be composited with spiral wire.
Described composite soft tube select for use in the following material one or more and be composited, it comprises: aluminium foil, PVC, plastic-coated fabric or other flexible material.
Described noise reduction outer flexible tube is under the constant condition of its bore, and the bore of noise reduction inner flexible tube is variable.
In the described noise reduction or the outer flexible tube shape can be that circle, square type, old name for the Arabian countries in the Middle East ground are circular, taper or other geometrical shape.
Described sound-absorption layer, one or more are formed by glass wool, aluminium silicate wool, rubber and plastic or other sound absorbing materials.
Described separation layer is plastic film or other fexible film.
Described noise reduction inner flexible tube is a noise reduction inner flexible tube bundle, and the tube bank port is connected with connection interface on the flange, restrains the inside that shape in the shape of a spiral is arranged on composite soft tube; Be provided with separation layer plastic film, sound-absorption layer between noise reduction inner flexible tube bundle and the composite soft tube successively.
The invention has the advantages that: owing to adopt bent flexible material and sound absorbing material and rational noise-reducing structure to be composited, the present invention can be according to the environmental conditions setting, and cost is low, and it is effective, easy for installation to eliminate the noise.
Description of drawings
Fig. 1 is a sectional drawing of the present invention.
Fig. 2 is a composite soft tube structural representation of the present invention.
Fig. 3 is a noise reduction outer flexible tube structural representation of the present invention.
Fig. 4 is the flange arrangement front schematic view of noise reduction tube bank of the present invention.
Fig. 5 is the flange arrangement side schematic view of noise reduction tube bank of the present invention.
Fig. 6 is the structural representation of noise reduction tube bank of the present invention.
Fig. 7 is that noise reduction tube bank spiral of the present invention is provided with structural representation.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As Fig. 1-shown in Figure 7, the present invention is arranged on the silencer in the gas transmission pipeline, and it comprises: flange 11, noise reduction inner flexible tube 1, noise reduction outer flexible tube 2, plastic film separation layer 3, sound-absorption layer 4, composite soft tube 5.Wherein, be densely covered with noise reduction hole 7 on the noise reduction inner flexible tube 1; The outer cover of noise reduction inner flexible tube 1 is equipped with noise reduction outer flexible tube 2; Be densely covered with noise reduction hole 8 on the noise reduction outer flexible tube 2; Be provided with sound-absorbing cavity 9 between the inside and outside flexible pipe 1,2 of noise reduction; Be interval with retaining ring 10 in the sound-absorbing cavity 9; Noise reduction outer flexible tube 2 outsides are provided with plastic film separation layer 3; The outside of plastic film separation layer 3 is provided with sound-absorption layer 4; The outside of sound-absorption layer 4 is with composite soft tube 5; Composite soft tube 5 is composited for aluminium foil, PVC and spiral wire.Interior round interface 12 Joints of noise reduction inner flexible tube 1 and flange 11; Cylindrical crimping interface 13 Joints of noise reduction outer flexible tube 2, composite soft tube 5 and flange 11.
Noise reduction inner flexible tube 1 described in the present invention, noise reduction outer flexible tube 2 are aluminium foil, PVC or other flexible materials one or more and spiral wire and are composited.
Composite soft tube 5 described in the present invention is composited for aluminium foil, PVC or other flexible materials one or more and spiral wire.
Described separation layer 3 is plastic film or other fexible film.
Described sound-absorption layer 4, one or more are formed by glass wool, aluminium silicate wool, rubber and plastic or other sound absorbing materials.
Noise reduction inner flexible tube described in the present invention also can be a noise reduction inner flexible tube bundle 13, restrains 13 ports and is connected with connection interface 15 on the flange 14, and tube bank 13 shape in the shape of a spiral is arranged on the inside of composite soft tube 5; Be provided with separation layer plastic film 3, sound-absorption layer 4 between noise reduction inner flexible tube bundle 13 and the composite soft tube 5 successively.
The present invention implements like this:
Embodiment 1:
A kind of flexible silencer, two-port are flange 11, and the inside of intermediate portion is provided with noise reduction inner flexible tube 1, are densely covered with noise reduction hole 7 on the noise reduction inner flexible tube 1, and the outer cover of noise reduction inner flexible tube 1 is equipped with noise reduction outer flexible tube 2; Be densely covered with noise reduction hole 8 on the outer Sound eliminating soft pipe 2.Be provided with sound-absorbing cavity 9 between noise reduction inner flexible tube 1 and the noise reduction outer flexible tube 2, at interval be provided with retaining ring 10 in the sound-absorbing cavity 9, be used for guaranteeing that sound-absorbing cavity 9 still plays the effect of noise elimination as the present invention during in bending enforcement.The outside of noise reduction outer flexible tube 2 is provided with separation layer plastic film 3, the effect of separation layer plastic film 3 is to prevent that the micro fiber of sound-absorption layer 4 from entering in the air channel by the noise reduction hole 8 of noise reduction outer flexible tube 2, the outside of separation layer plastic film 3 is provided with sound-absorption layer 4, and its outside also is with composite soft tube 5.
In the process of gas delivery, gas passes through from noise reduction inner flexible tube 1 of the present invention, and the vibrations of its generation, noise are done to eliminate the noise for the first time by the noise reduction hole 7 of noise reduction inner flexible tube 1; Can carry out the noise elimination second time to vibrations, noise and be provided with sound-absorbing cavity 9 between noise reduction inner flexible tube 1 and the noise reduction outer sleeve 2, noise reduction outer flexible tube 2 is provided with noise reduction hole 8 and also it is eliminated the noise for the third time, and the separation layer 3 of the outside of noise reduction outer flexible tube 2 and sound-absorption layer 4 have carried out the 4th time to it and eliminated the noise; Composite soft tube 5 has then also carried out effective inhibition to noise in the vent passages and vibrations, has reached the effect of isolated noise.
Embodiment 2:
In embodiment 1, the bore of noise reduction inner flexible tube 1 is a fixed numbers, and in embodiment 2, under the constant condition of noise reduction outer sleeve 2 bores, the bore of noise reduction inner flexible tube 1 is variable, that is: noise reduction inner flexible tube 1 in the present embodiment, wherein one section bore is greater than or less than interior round interface 12 bores of flange 11, but condition is the bore that is less than noise reduction outer flexible tube 2.So just can in the passage of gas flow of the present invention, form one section reducing zone, the gas delivery approach is changed, cause its noise and vibrations the variation of reflection to take place, thereby reach better noise elimination effect in this section reducing zone.
Embodiment 3:
In the above-described embodiment, noise reduction inner flexible tube 1 all is mode by the single form inside that is arranged on noise reduction outer flexible tube 2.In the present embodiment, the noise reduction inner flexible tube is the form with noise reduction inner flexible tube bundle 13, is arranged on the inside of composite soft tube 5.
As Fig. 4-shown in Figure 7, there are a plurality of interfaces 15 and the port of noise reduction inner flexible tube bundle 13 to join on the flange 14 that relates in the present embodiment; Noise reduction inner flexible tube bundle 13 shape in the shape of a spiral is arranged on the inside of composite soft tube 5, as shown in Figure 6; Between noise reduction inner flexible tube bundle 13 and composite soft tube 5, be provided with separation layer plastic film 3, sound-absorption layer 4 successively; Every noise reduction inner flexible tube in the noise reduction inner flexible tube bundle 13 is fixing with clip 16 when being connected with interface 15 on the flange 14, and composite soft tube 5 is connected with the cylindrical of flange 14.
Claims (10)
1, a kind of flexible silencer, it comprises: flange, noise reduction inner flexible tube, noise reduction outer flexible tube, separation layer, sound-absorption layer, composite soft tube is characterized in that: be densely covered with the noise reduction hole on the noise reduction inner flexible tube; The outer cover of noise reduction inner flexible tube is equipped with outer Sound eliminating soft pipe; Be densely covered with the noise reduction hole on the noise reduction outer flexible tube; Be provided with the sound-absorbing cavity between the inside and outside flexible pipe of noise reduction; Be interval with retaining ring in the sound-absorbing cavity; Noise reduction outer flexible tube outside is provided with separation layer; The outside of separation layer is a sound-absorption layer, and the outside of sound-absorption layer is with composite soft tube; The interior round interface Joint of noise reduction inner flexible tube and flange; The cylindrical crimping interface Joint of noise reduction outer flexible tube, composite soft tube and flange.
2, flexible silencer according to claim 1 is characterized in that: described noise reduction inner flexible tube or noise reduction outer flexible tube are selected one or more of following material for use, and it comprises: aluminium foil, PVC, plastic-coated fabric or other flexible material; And be composited with spiral wire.
3, flexible silencer according to claim 1 is characterized in that: described noise reduction inner flexible tube or noise reduction outer flexible tube are selected thin metallic material for use, and it comprises: iron sheet, aluminium skin and stainless steel sheet; And form around being the corrugated seaming.
4, flexible silencer according to claim 1, it is characterized in that: described composite soft tube is selected one or more of following material for use, and it comprises: aluminium foil, PVC, plastic-coated fabric or other flexible material; And be composited with spiral wire.
5, flexible silencer according to claim 1 is characterized in that: described composite soft tube select for use in the following material one or more and be composited, it comprises: aluminium foil, PVC, plastic-coated fabric or other flexible material.
6, according to the described flexible silencer of claim 1-3, it is characterized in that: described noise reduction outer flexible tube is under the constant condition of its bore, and the bore of noise reduction inner flexible tube is variable.
7, flexible silencer according to claim 1 is characterized in that: described noise reduction inner flexible tube or outer flexible tube shape, it comprises: circle, square type, old name for the Arabian countries in the Middle East's ground circle, taper or other geometrical shape.
8, flexible silencer according to claim 1 is characterized in that: described sound-absorption layer, one or more are formed by glass wool, aluminium silicate wool, rubber and plastic or other sound absorbing material.
9, flexible silencer according to claim 1 is characterized in that: described separation layer is plastic film or other fexible film.
10, flexible silencer according to claim 1 is characterized in that: described noise reduction inner flexible tube also can be a noise reduction inner flexible tube bundle; The port of tube bank is connected with connection interface on the flange, restrains the inside that shape in the shape of a spiral is arranged on composite soft tube; Be provided with separation layer plastic film, sound-absorption layer between noise reduction inner flexible tube bundle and the composite soft tube successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101272008A CN101338846B (en) | 2008-06-25 | 2008-06-25 | Flexible silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101272008A CN101338846B (en) | 2008-06-25 | 2008-06-25 | Flexible silencer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101338846A true CN101338846A (en) | 2009-01-07 |
| CN101338846B CN101338846B (en) | 2010-12-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101272008A Expired - Fee Related CN101338846B (en) | 2008-06-25 | 2008-06-25 | Flexible silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101338846B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940943A (en) * | 2012-10-29 | 2013-02-27 | 大连理工大学 | Wave-absorption vibration-reduction silk screen fire-resistance explosion-suppression apparatus |
| CN102940942A (en) * | 2012-10-29 | 2013-02-27 | 大连理工大学 | Wave-absorption shock-absorption corrugated fire-resistance explosion-suppression apparatus |
| CN103470838A (en) * | 2012-06-05 | 2013-12-25 | 濮阳市信宇石油机械化工有限公司 | Simple pressure reducing valve |
| CN103660417A (en) * | 2013-12-20 | 2014-03-26 | 吴江市圆明印花厂 | Two-layer composite sound insulation fabric |
| CN103711984A (en) * | 2012-09-28 | 2014-04-09 | 费希尔控制国际公司 | Simplified modal attenuator |
| CN105840554A (en) * | 2016-03-29 | 2016-08-10 | 南京迪威尔高端制造股份有限公司 | Silent noise reducing device |
| CN107084295A (en) * | 2017-06-13 | 2017-08-22 | 长沙新奥燃气有限公司 | A kind of noise reducing plate at tube bends |
| CN108953825A (en) * | 2018-08-02 | 2018-12-07 | 哈尔滨工程大学 | A kind of low-resistance force adaptive suction flow control device and method with noise elimination function |
| CN109442105A (en) * | 2018-12-18 | 2019-03-08 | 南京磁谷科技有限公司 | A kind of hose assembly with silencing function |
| CN109681716A (en) * | 2018-12-29 | 2019-04-26 | 郑州宇晟汽车产品科技开发有限公司 | A kind of auto heater sqouynd absorption lowering noise pipe |
| CN109817195A (en) * | 2019-01-07 | 2019-05-28 | 珠海市广源信科技有限公司 | A method of filling muffler cavity |
| CN112538203A (en) * | 2020-12-07 | 2021-03-23 | 天津永高塑业发展有限公司 | Polyolefin noise reduction type drain pipe and preparation method thereof |
| CN113417828A (en) * | 2021-06-18 | 2021-09-21 | 南京润楠医疗电子研究院有限公司 | Pneumatic noise elimination device |
-
2008
- 2008-06-25 CN CN2008101272008A patent/CN101338846B/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470838A (en) * | 2012-06-05 | 2013-12-25 | 濮阳市信宇石油机械化工有限公司 | Simple pressure reducing valve |
| CN103711984A (en) * | 2012-09-28 | 2014-04-09 | 费希尔控制国际公司 | Simplified modal attenuator |
| CN103711984B (en) * | 2012-09-28 | 2018-04-13 | 费希尔控制国际公司 | Simplified modal attenuator |
| CN102940943A (en) * | 2012-10-29 | 2013-02-27 | 大连理工大学 | Wave-absorption vibration-reduction silk screen fire-resistance explosion-suppression apparatus |
| CN102940942A (en) * | 2012-10-29 | 2013-02-27 | 大连理工大学 | Wave-absorption shock-absorption corrugated fire-resistance explosion-suppression apparatus |
| CN103660417A (en) * | 2013-12-20 | 2014-03-26 | 吴江市圆明印花厂 | Two-layer composite sound insulation fabric |
| CN105840554A (en) * | 2016-03-29 | 2016-08-10 | 南京迪威尔高端制造股份有限公司 | Silent noise reducing device |
| CN107084295A (en) * | 2017-06-13 | 2017-08-22 | 长沙新奥燃气有限公司 | A kind of noise reducing plate at tube bends |
| CN108953825A (en) * | 2018-08-02 | 2018-12-07 | 哈尔滨工程大学 | A kind of low-resistance force adaptive suction flow control device and method with noise elimination function |
| CN109442105A (en) * | 2018-12-18 | 2019-03-08 | 南京磁谷科技有限公司 | A kind of hose assembly with silencing function |
| WO2020125054A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Hose assembly having sound attenuation function |
| CN109681716A (en) * | 2018-12-29 | 2019-04-26 | 郑州宇晟汽车产品科技开发有限公司 | A kind of auto heater sqouynd absorption lowering noise pipe |
| CN109817195A (en) * | 2019-01-07 | 2019-05-28 | 珠海市广源信科技有限公司 | A method of filling muffler cavity |
| CN109817195B (en) * | 2019-01-07 | 2020-09-18 | 珠海市广源信科技有限公司 | Method for filling silencer cavity |
| CN112538203A (en) * | 2020-12-07 | 2021-03-23 | 天津永高塑业发展有限公司 | Polyolefin noise reduction type drain pipe and preparation method thereof |
| CN113417828A (en) * | 2021-06-18 | 2021-09-21 | 南京润楠医疗电子研究院有限公司 | Pneumatic noise elimination device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101338846B (en) | 2010-12-22 |
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Granted publication date: 20101222 Termination date: 20190625 |
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