CN203978587U - A kind of mounting mechanism of muffler assembly - Google Patents
A kind of mounting mechanism of muffler assembly Download PDFInfo
- Publication number
- CN203978587U CN203978587U CN201420209990.5U CN201420209990U CN203978587U CN 203978587 U CN203978587 U CN 203978587U CN 201420209990 U CN201420209990 U CN 201420209990U CN 203978587 U CN203978587 U CN 203978587U
- Authority
- CN
- China
- Prior art keywords
- central diaphragm
- upper casing
- lower casing
- casing
- silencing apparatus
- Prior art date
- 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
Links
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model discloses the mounting mechanism of the muffler assembly that a kind of good heat-insulation effect and soundproof effect are good.It comprises upper casing, lower casing, central diaphragm and silencing apparatus, described central diaphragm is provided with the mounting groove for fixing a silencer, central diaphragm is placed in the middle of upper casing and lower casing, upper casing, lower casing and central diaphragm seamless link, the space that upper casing forms with central diaphragm and lower casing are communicated with the space that central diaphragm forms, silencing apparatus is placed in the space of upper casing and central diaphragm formation, upper casing is provided with steam outlet pipe, steam outlet pipe is communicated with the space that central diaphragm forms through central diaphragm and lower casing, the equal interference fit of steam outlet pipe and upper casing and central diaphragm, lower casing is provided with suction tude, suction tude is communicated with silencing apparatus, suction tude and lower casing seamless link.The beneficial effects of the utility model are: improve soundproof effect, improve effect of heat insulation, simple in structure, installation and removal are convenient and swift, improve working life, improve the reliability of muffler assembly.
Description
Technical field
The utility model relates to silencing apparatus correlative technology field, refers in particular to a kind of mounting mechanism of muffler assembly.
Background technique
Silencing apparatus is to allow air-flow to pass through, but can stop or reduce a kind of device of sound transmission, is the important measures of eliminating air power noise.Silencing apparatus can stop sound wave propagation, allows air-flow to pass through, and is the effective tool of controlling noise.Silencing apparatus kind is a lot, but studies carefully its noise elimination mechanism, it can be divided into six kinds of main types again, i.e. dissipative muffler, reactive muffler, impedance complex formula silencing apparatus, micropunch plate muffler, micropole diffusor and active silencer.Existing silencing apparatus, adopts impedance composite noise-cancelling theory mostly.Due to reasons such as complex structure, weight are large, high temperature oxidation sound absorption filler, and high velocity air impacts sound absorption filler, aqueous vapor infiltration sound absorption filler, the situation such as silencing apparatus is easy to occur that maintenance is frequent, soundproof effect is poor, and life cycle is short.
Chinese patent notice of authorization number: C N202866953U, April 10 2013 notice of authorization day, a kind of air cooling twin-tub two utmost point low noise gasoline are disclosed, diesel generating set muffler assembly, comprise an A level, the one B level silencing apparatus and the 2nd A level, the 2nd B level silencing apparatus, the one A level, the one B level silencing apparatus fixes and a B level silencing apparatus is connected on C level silencing apparatus, the 2nd A level, the 2nd B level silencing apparatus fixes and the 2nd B level silencing apparatus is connected on C level silencing apparatus, C level silencing apparatus is connected with first, the 2nd D level silencing apparatus, first, the 2nd D level silencing apparatus is connected with E level silencing apparatus, described first, the 2nd A level acoustic wave filter structure is identical, first, the 2nd B level acoustic wave filter structure is identical, first, the 2nd D level acoustic wave filter structure is identical, A level muffler body inner chamber is provided with catalyst converter, catalyst converter is positioned on A level muffler body cross section and fits tightly in A level muffler body inwall.The deficiency of this model utility is, be merely able to carry out sound-absorbing by puigging and sound-absorption layer, can not effectively carry out heat insulation, and due to work under bad environment, puigging and sound-absorption layer edge are outside exposed, in Environmental Conditions, very easily enter water and various dust formation acid or alkali environment and cause puigging and sound-absorption layer damage to depart from, affect its life-span and soundproof effect.
Model utility content
The utility model is to have above-mentioned deficiency in order to overcome in prior art, and the mounting mechanism of the muffler assembly that a kind of good heat-insulation effect and soundproof effect are good is provided.
To achieve these goals, the utility model is by the following technical solutions:
A kind of mounting mechanism of muffler assembly, comprise upper casing, lower casing, central diaphragm and silencing apparatus, described central diaphragm is provided with the mounting groove for fixing a silencer, described central diaphragm is placed in the middle of upper casing and lower casing, described upper casing, lower casing and central diaphragm seamless link, the space that described upper casing forms with central diaphragm and lower casing are communicated with the space that central diaphragm forms, described silencing apparatus is placed in the space of upper casing and central diaphragm formation, described upper casing is provided with steam outlet pipe, described steam outlet pipe is communicated with the space that central diaphragm forms through central diaphragm and lower casing, the equal interference fit of described steam outlet pipe and upper casing and central diaphragm, described lower casing is provided with suction tude, described suction tude is communicated with silencing apparatus, described suction tude and lower casing seamless link.
In the utility model, enter into the silencing apparatus processing of eliminating the noise by the air-flow of suction tude, because silencing apparatus is placed in the space of upper casing and central diaphragm formation, so first air-flow out enters in the space that upper casing and central diaphragm form from silencing apparatus, because the inner side of upper casing is provided with upper thermal baffle, improve the effect of heat insulation of upper casing, the space and the lower casing that form with central diaphragm due to upper casing are communicated with the space that central diaphragm forms, air-flow will enter into the space that lower casing and central diaphragm form from the space of upper casing and central diaphragm formation, because the inner side of lower casing is provided with lower thermal baffle, improve the effect of heat insulation of lower casing, then the steam outlet pipe being communicated with from the space forming with central diaphragm with lower casing is discharged, the air-flow walking of design order can greatly make air-flow interfere fully between upper casing and lower casing like this, improve acoustical absorptivity, go up thermal baffle simultaneously, the design of lower thermal baffle and exotic material, soundproof effect and effect of heat insulation are further improved.
As preferably, described silencing apparatus comprises perforated tube and heat insulating tube, one end of described perforated tube connects suction tude, the other end sealing of described perforated tube, described perforated tube is provided with air outlet hole near sealing one end, and described perforated tube is provided with some layers of sound attenuation hole near suction tude one end, and described thermal baffle is placed in the outside of perforated tube and covers all sound attenuation holes, described thermal baffle and perforated tube seamless link, the length of described perforated tube is greater than the length of heat insulating tube.By one end of sealing perforated tube, adopt air outlet hole to give vent to anger, make perforated tube to select the orientation that pore is discharged by rotation, if adopt perforated tube one to bring in exhaust how to rotate perforated tube and all cannot change the orientation of exhaust, so this design can better meet silencing apparatus demand.
As preferably, between described heat insulating tube and perforated tube, be provided with high heat-resistant material.Can effectively completely cut off the thermal energy transfer producing on perforated tube to heat insulating tube on the one hand, make heat insulating tube not be subject to the variation of perforated tube temperature and change, improve effect of heat insulation; Between heat insulating tube and perforated tube, fill the further soundproof effect that improved by height is heat-resisting on the other hand.
As preferably, the width of described mounting groove is greater than the diameter of heat insulating tube, and the middle part of described mounting groove is provided with the limiting stopper for spacing heat insulating tube.Carry out spacing silencing apparatus by limiting stopper, reduced the surface of contact of heat insulating tube and central diaphragm, indirectly prevent that central diaphragm is heated inhomogeneous, the working life of having improved central diaphragm.
As preferably, described upper casing inner side is provided with thermal baffle, and described lower casing inner side is provided with lower thermal baffle, between described upper thermal baffle and upper casing and between lower thermal baffle and lower casing, is provided with high heat-resistant material.Improve the effect of heat insulation of muffler assembly.
As preferably, described high heat-resistant material is glass fibre.Glass fibre is a kind of Inorganic Non-metallic Materials of excellent performance, of a great variety, has good insulating, heat resistance is strong, corrosion resistance good, and the feature that mechanical strength is high, so can further improve effect of heat insulation.
The beneficial effects of the utility model are: improve soundproof effect, improve effect of heat insulation, simple in structure, installation and removal are convenient and swift, improve working life, improve the reliability of muffler assembly.
Brief description of the drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is plan view of the present utility model;
Fig. 4 is the cross-sectional view at EE place in Fig. 1;
Fig. 5 is part-structure schematic diagram of the present utility model;
Fig. 6 is the structural representation of silencing apparatus.
In figure: 1. upper casing, 2. lower casing, 3. suction tude, 4. steam outlet pipe, 5. mounting groove, 6. silencing apparatus, 7. goes up thermal baffle, 8. heat insulating tube, 9. perforated tube, 10. descends thermal baffle, 11. central diaphragms, 12. glass fibres, 13. air outlet holes, 14. sound attenuation holes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As Fig. 1, Fig. 2, Fig. 3, in embodiment described in Fig. 5, a kind of mounting mechanism of muffler assembly, comprise upper casing 1, lower casing 2, central diaphragm 11 and silencing apparatus 5, central diaphragm 11 is provided with for fixing a silencer 5 mounting groove 5, it is middle with lower casing 2 that central diaphragm 11 is placed in upper casing 1, upper casing 1, lower casing 2 and central diaphragm 11 seamless links, central diaphragm 11 is provided with through hole, the space that upper casing 1 forms with central diaphragm 11 and lower casing 2 are communicated with by through hole with the space that central diaphragm 11 forms, silencing apparatus 5 is placed in the space that upper casing 1 and central diaphragm 11 form, upper casing 1 is provided with steam outlet pipe 4, steam outlet pipe 4 is communicated with the space that central diaphragm 11 forms through central diaphragm 11 and lower casing 2, steam outlet pipe 4 and upper casing 1 and the equal interference fit of central diaphragm 11, lower casing 2 is provided with suction tude 3, suction tude 3 is communicated with silencing apparatus 5, suction tude 3 and lower casing 2 seamless links.Upper casing 1 inner side is provided with thermal baffle 7, and lower casing 2 inner sides are provided with lower thermal baffle 10, between upper thermal baffle 7 and upper casing 1 and between lower thermal baffle 10 and lower casing 2, is provided with high heat-resistant material, and high heat-resistant material is glass fibre 12.
As shown in Fig. 4, Fig. 5, Fig. 6, silencing apparatus 5 comprises perforated tube 9 and heat insulating tube 8, one end of perforated tube 9 connects suction tude 3, the other end sealing of perforated tube 9, perforated tube 9 is provided with air outlet hole 13 near sealing one end, perforated tube 9 is provided with some layers of sound attenuation hole 14 near suction tude 3 one end, thermal baffle is placed in the outside of perforated tube 9 and covers all sound attenuation holes 14, thermal baffle and perforated tube 9 seamless links, the length of described perforated tube 9 is greater than the length of heat insulating tube 8, between heat insulating tube 8 and perforated tube 9, be provided with high heat-resistant material, high heat-resistant material is glass fibre 12.Wherein: the width of mounting groove 5 is greater than the diameter of heat insulating tube 8, the middle part of mounting groove 5 is provided with the limiting stopper for spacing heat insulating tube 8.
In the utility model, enter into silencing apparatus 5 by the air-flow of suction tude 3, interfered and the processing of eliminating the noise by the sound wave in the sound wave in perforated tube 9 and heat insulating tube 8, heat insulating tube 8 has effectively completely cut off the heat energy on perforated tube 9 with glass fibre 12 simultaneously.Because silencing apparatus 5 is placed in the space that upper casing 1 and central diaphragm 11 form, so first air-flow out enters in the space that upper casing 1 and central diaphragm 11 form from silencing apparatus 5, because the inner side of upper casing 1 is provided with upper thermal baffle 7, improve the effect of heat insulation of upper casing 1, the space and the lower casing 2 that form with central diaphragm 11 due to upper casing 1 are communicated with the space that central diaphragm 11 forms, the space forming from upper casing 1 and central diaphragm 11 is entered into the space that lower casing 2 and central diaphragm 11 form by air-flow, because the inner side of lower casing 2 is provided with lower thermal baffle 10, improve the effect of heat insulation of lower casing 2, then the steam outlet pipe 4 being communicated with from the space forming with central diaphragm 11 with lower casing 2 is discharged, the air-flow walking of design order can greatly make air-flow interfere fully between upper casing 1 and lower casing 2 like this, improve acoustical absorptivity, go up thermal baffle 7 simultaneously, the design of lower thermal baffle 10 and exotic material, soundproof effect and effect of heat insulation are further improved.
Claims (5)
1. the mounting mechanism of a muffler assembly, it is characterized in that, comprise upper casing (1), lower casing (2), central diaphragm (11) and silencing apparatus (6), described central diaphragm (11) is provided with the mounting groove (5) for fix a silencer (6), it is middle with lower casing (2) that described central diaphragm (11) is placed in upper casing (1), described upper casing (1), lower casing (2) and central diaphragm (11) seamless link, the space that described upper casing (1) forms with central diaphragm (11) and lower casing (2) are communicated with the space that central diaphragm (11) forms, described silencing apparatus (6) is placed in the space of upper casing (1) and central diaphragm (11) formation, described upper casing (1) is provided with steam outlet pipe (4), described steam outlet pipe (4) is communicated with the space that central diaphragm (11) forms through central diaphragm (11) and lower casing (2), described steam outlet pipe (4) and upper casing (1) and all interference fit of central diaphragm (11), described lower casing (2) is provided with suction tude (3), described suction tude (3) is communicated with silencing apparatus (6), described suction tude (3) and lower casing (2) seamless link.
2. the mounting mechanism of a kind of muffler assembly according to claim 1, it is characterized in that, described silencing apparatus (6) comprises perforated tube (9) and heat insulating tube (8), one end of described perforated tube (9) connects suction tude (3), the other end sealing of described perforated tube (9), described perforated tube (9) is provided with air outlet hole (13) near sealing one end, described perforated tube (9) is provided with some layers of sound attenuation hole (14) near suction tude (3) one end, described heat insulating tube (8) is placed in the outside of perforated tube (9) and covers all sound attenuation holes (14), described heat insulating tube (8) and perforated tube (9) seamless link, the length of described perforated tube (9) is greater than the length of heat insulating tube (8).
3. the mounting mechanism of a kind of muffler assembly according to claim 2, is characterized in that, between described heat insulating tube (8) and perforated tube (9), is provided with glass fibre (12).
4. the mounting mechanism of a kind of muffler assembly according to claim 2, is characterized in that, the width of described mounting groove (5) is greater than the diameter of heat insulating tube (8), and the middle part of described mounting groove (5) is provided with the limiting stopper for spacing heat insulating tube (8).
5. the mounting mechanism of a kind of muffler assembly according to claim 1, it is characterized in that, described upper casing (1) inner side is provided with thermal baffle (7), described lower casing (2) inner side is provided with lower thermal baffle (10), between described upper thermal baffle (7) and upper casing (1) and between lower thermal baffle (10) and lower casing (2), is provided with glass fibre (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209990.5U CN203978587U (en) | 2014-04-28 | 2014-04-28 | A kind of mounting mechanism of muffler assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209990.5U CN203978587U (en) | 2014-04-28 | 2014-04-28 | A kind of mounting mechanism of muffler assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978587U true CN203978587U (en) | 2014-12-03 |
Family
ID=51976044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420209990.5U Expired - Fee Related CN203978587U (en) | 2014-04-28 | 2014-04-28 | A kind of mounting mechanism of muffler assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203978587U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523105A (en) * | 2015-09-11 | 2017-03-22 | 埃贝斯佩歇废气技术合资公司 | Connection pipe for connecting an active muffler to an exhaust system for an internal combustion engine |
| CN112065535A (en) * | 2020-08-28 | 2020-12-11 | 重庆浩歌机电有限公司 | Silencer for variable-frequency gasoline generator |
| CN113914971A (en) * | 2021-08-16 | 2022-01-11 | 宁波亿超消音科技有限公司 | Silencer |
-
2014
- 2014-04-28 CN CN201420209990.5U patent/CN203978587U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523105A (en) * | 2015-09-11 | 2017-03-22 | 埃贝斯佩歇废气技术合资公司 | Connection pipe for connecting an active muffler to an exhaust system for an internal combustion engine |
| CN106523105B (en) * | 2015-09-11 | 2019-05-03 | 埃贝斯佩歇废气技术合资公司 | For connecting the connecting tube of the exhaust system of active silencer and internal combustion engine |
| CN112065535A (en) * | 2020-08-28 | 2020-12-11 | 重庆浩歌机电有限公司 | Silencer for variable-frequency gasoline generator |
| CN112065535B (en) * | 2020-08-28 | 2023-11-10 | 重庆浩歌机电有限公司 | Muffler for variable-frequency gasoline generator |
| CN113914971A (en) * | 2021-08-16 | 2022-01-11 | 宁波亿超消音科技有限公司 | Silencer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203978587U (en) | A kind of mounting mechanism of muffler assembly | |
| CN106089362A (en) | A kind of internal combustion engine exhaust silencer | |
| CN204476537U (en) | Water-cooled silencing apparatus | |
| CN106401697B (en) | A kind of diesel generating set composite muffler | |
| CN202444369U (en) | Motor silencer | |
| CN203835497U (en) | Noise eliminating structure of exhaust purifying silencer | |
| WO2012155521A1 (en) | Substrate for air intake throttle and air intake throttle comprising the substrate | |
| CN104088692B (en) | A kind of muffler assembly | |
| CN207064040U (en) | A kind of efficient automobile is vented silencing apparatus | |
| CN203867675U (en) | Silencer assembly | |
| CN106468199A (en) | Electromotor Pear-Shaped deafener | |
| CN108104903A (en) | A kind of diesel engine silencer | |
| CN203867659U (en) | Porous silencing assembly | |
| CN201723280U (en) | Straight-pipe resistance muffler | |
| CN104088685B (en) | A kind of exhaust purging muffler | |
| CN203835510U (en) | Perforated pipe for double-rowed air cylinder silencer | |
| CN218493661U (en) | Engine silencing structure | |
| CN202866938U (en) | Impedance combined type muffler | |
| CN204921168U (en) | Gas turbine complete set exhaust muffler | |
| CN203867674U (en) | Shell of silencer | |
| CN103016414A (en) | Improved low and medium pressure centrifugal fan silencer | |
| CN201753417U (en) | Vacuum pipeline silencer | |
| CN215109662U (en) | Centrifugal fire-fighting smoke exhaust fan | |
| CN204703983U (en) | The effective silencing apparatus of a kind of automobile exhaust | |
| CN203835498U (en) | Silencer assembly for double-rowed air cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20141203 Termination date: 20190428 |