CN205101084U - Car exhaust muffler and car - Google Patents
Car exhaust muffler and car Download PDFInfo
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- CN205101084U CN205101084U CN201520811641.5U CN201520811641U CN205101084U CN 205101084 U CN205101084 U CN 205101084U CN 201520811641 U CN201520811641 U CN 201520811641U CN 205101084 U CN205101084 U CN 205101084U
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- silencing
- outlet pipe
- steam outlet
- exhaust muffler
- automotive
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Abstract
The utility model provides a car exhaust muffler and car relates to car noise elimination technique. Wherein, car exhaust muffler includes: automobile noise elimination barrel, be equipped with the intake pipe on the automobile noise elimination barrel, be provided with two causes in the inner chamber of automobile noise elimination barrel the inside of automobile noise elimination barrel respectively to the both ends of automobile noise elimination barrel extend to the outlet duct of the external portion of car silencing pot, it establishes still to be provided with the cover among the car noise elimination cylinder cavity the intake pipe with on the outlet duct: at least one expansion silencer, the lost formula silencer in at least one three hole, at least one hull nurse be silencer and at least one glass fiber sound absorbing structure now, thereby through making up the effect frequency that different silencer types had made up a plurality of silencer types, has increased exhaust muffler's noise elimination duration, and then effectively promoted exhaust muffler's noise suppression effect, has improved whole car travelling comfort greatly.
Description
Technical field
The utility model relates to automotive silencing technology, particularly relates to a kind of automobile exhaust muffler and automobile.
Background technique
Silencing apparatus is a kind of device that can stop sound wave propagation and allow air-flow to pass through, and is the effective tool of control noises.Wherein, being arranged in the vent systems of air powered equipment (such as motor car engine) for reducing the silencing apparatus of noise is exhaust silencer.Exhaust silencer is current various vehicle especially requisite vent systems silencer on automobile, has the effect of decay engine exhaust noise.
In prior art, the structure that the exhaust silencer in automobile generally adopts a dissipative muffler and a reactive muffler to combine, has good soundproof effect to reach in low and medium frequency, high frequency.But, due to requirement and the spatial constraints of car load general arrangement, make the expansion of the volume of the exhaust silencer in automobile and air inlet steam outlet pipe smaller, thus make the soundproof effect of exhaust silencer poor.
Model utility content
For above-mentioned defect of the prior art, the utility model provides a kind of automobile exhaust muffler and automobile, can improve the soundproof effect of automobile exhaust muffler.
First aspect of the present utility model is to provide a kind of automobile exhaust muffler, comprise: automotive silencing cylindrical shell, described automotive silencing cylindrical shell is provided with suction tude, is provided with two inside by described automotive silencing cylindrical shell extend to described automotive silencing cylindrical shell outside steam outlet pipe respectively to the two ends of described automotive silencing cylindrical shell in the inner chamber of described automotive silencing cylindrical shell; Also be provided with in described automotive silencing cylinder lumen and be set on described suction tude and described steam outlet pipe: at least one expands silencing apparatus, formula silencing apparatus, at least one Hull nurse hereby silencing apparatus and at least one glass fibre sound absorption structure is got lost at least one three hole.
Further, the first expansion silencing apparatus is provided with in described automotive silencing cylinder lumen, described first expansion silencing apparatus specifically comprises: the second baffle being set in the first baffle plate on described first steam outlet pipe and being set on described suction tude and described steam outlet pipe, also through there being an interconnecting tube on described second baffle.
Further, be provided with three holes and get lost formula silencing apparatus in described automotive silencing cylinder lumen, described three holes formula silencing apparatus of getting lost comprises: be set in the third gear plate on described suction tude and described steam outlet pipe, through described interconnecting tube on described third gear plate.
Further, two described steam outlet pipes are respectively the first steam outlet pipe and the second steam outlet pipe; Described second baffle and third gear sleeve-board are located on described first steam outlet pipe; Be provided with the second expansion silencing apparatus in described automotive silencing cylinder lumen, described second expansion silencing apparatus comprises: be set in the fourth gear plate on described suction tude and described second steam outlet pipe.
Further, be provided with a Hull nurse hereby silencing apparatus in described automotive silencing cylinder lumen, described Hull nurse hereby silencing apparatus comprises: the sixth gear plate being set in the fifth gear plate on described suction tude and described second steam outlet pipe and being set on described second steam outlet pipe.
Further, described glass fibre sound absorption structure is provided with between described second baffle and described third gear plate; Described glass fibre sound absorption structure is provided with between described fourth gear plate and described fifth gear plate.
Further, described suction tude is three-way pipe, comprises admission line and inside first pipeline be communicated with described admission line respectively and inner second pipe; The caliber of described inner first pipeline is greater than the caliber of described inner second pipe; Described second baffle and third gear sleeve-board are located on described inner first pipeline, and described fourth gear plate and fifth gear sleeve-board are located on described inner second pipe.
Further, described second baffle and described fourth gear plate are provided with multiple hole; Described first steam outlet pipe comprises outside outlet pipe and inner outlet pipe; The tube wall of described inner first pipeline, inner outlet pipe and interconnecting tube is all arranged and has multiple hole.
Further, the two ends of described automotive silencing cylindrical shell are equipped with the suspension hook for being connected with automotive body.
Another aspect of the present utility model is to provide a kind of automobile, the automobile exhaust muffler as described in aforementioned any one.
The automobile exhaust muffler that the utility model provides and automobile, comprise: automotive silencing cylindrical shell, described automotive silencing cylindrical shell is provided with suction tude, is provided with the first steam outlet pipe and the second steam outlet pipe that are extended to described automotive silencing cylindrical shell outside by the inside of described automotive silencing cylindrical shell respectively to the two ends of described automotive silencing cylindrical shell in the inner chamber of described automotive silencing cylindrical shell; Also be provided with in described automotive silencing cylinder lumen and be set on described suction tude and described steam outlet pipe: at least one expands silencing apparatus, formula silencing apparatus, at least one Hull nurse hereby silencing apparatus and at least one glass fibre sound absorption structure is got lost at least one three hole, by combining different silencing apparatus types thus being combined with the acting frequency of multiple silencing apparatus type, add the noise elimination frequency range of exhaust silencer, and then effectively improve the soundproof effect of exhaust silencer, substantially increase car load travelling comfort.
Accompanying drawing explanation
Fig. 1 is first structural representation of the utility model automobile exhaust muffler embodiment one;
Fig. 2 is second structural representation of the utility model automobile exhaust muffler embodiment one;
Fig. 3 is the internal structure perspective view of the utility model automobile exhaust muffler embodiment two;
Fig. 4 is the internal structure schematic diagram of the utility model automobile exhaust muffler embodiment two.
Wherein,
10-automotive silencing cylindrical shell; 20-suction tude; 30-steam outlet pipe;
40 expansion silencing apparatuss; 5-tri-gets lost in hole formula silencing apparatus; 6-Hull nurse hereby silencing apparatus;
7-suspension hook; 8-interconnecting tube; 11-first baffle plate;
12-second baffle; 13-third gear plate; 14-fourth gear plate;
15-fifth gear plate; 16-sixth gear plate; 21 admission lines;
Inner first pipeline of 22-; The inner second pipe of 23-; 31-first steam outlet pipe;
32-second steam outlet pipe; 41-first expands silencing apparatus; 42-second expands silencing apparatus;
The outside outlet pipe of 311-; The inner outlet pipe of 312-.
Embodiment
Embodiment one
Fig. 1 is first structural representation of the utility model automobile exhaust muffler embodiment one; Please refer to Fig. 1, the utility model embodiment provides a kind of automobile exhaust muffler, comprise: automotive silencing cylindrical shell 10, automotive silencing cylindrical shell 10 is provided with suction tude 20, is provided with two inside by automotive silencing cylindrical shell 10 extend to automotive silencing cylindrical shell 10 outside steam outlet pipe 30 respectively to the two ends of automotive silencing cylindrical shell 10 in the inner chamber of automotive silencing cylindrical shell 10; Also be provided with in automotive silencing cylindrical shell 10 inner chamber and be set on suction tude 20 and steam outlet pipe 30: at least one expands silencing apparatus 40, formula silencing apparatus 5, at least one Hull nurse hereby silencing apparatus 6 and at least one glass fibre sound absorption structure (not shown) is got lost at least one three hole.
Fig. 2 is second structural representation of the utility model automobile exhaust muffler embodiment one; Please refer to Fig. 2, particularly, suction tude 20 can be three-way pipe, and three-way pipe comprises admission line 21 and inside first pipeline 22 be communicated with admission line 21 respectively and inner second pipe 23; Inner first pipeline 22 and inner second pipe 23 extend respectively to the two ends of automotive silencing cylindrical shell 10; Admission line 21 can be provided with inlet flange 24, suction tude 20 is connected with engine exhaust pipe by inlet flange 24.Two steam outlet pipes 30 are respectively the first steam outlet pipe 31 and the second steam outlet pipe 32.Preferably, the two ends of automotive silencing cylindrical shell 10 are equipped with suspension hook 7, can be arranged on automotive body by automobile exhaust muffler by suspension hook 7.
The automobile exhaust muffler that the utility model embodiment provides, comprise: automotive silencing cylindrical shell 10, automotive silencing cylindrical shell 10 is provided with suction tude 20, is provided with two inside by automotive silencing cylindrical shell 10 extend to automotive silencing cylindrical shell 10 outside steam outlet pipe 30 respectively to the two ends of automotive silencing cylindrical shell 10 in the inner chamber of automotive silencing cylindrical shell 10; Also be provided with in automotive silencing cylindrical shell 10 inner chamber and be set on suction tude 20 and steam outlet pipe 30: at least one expands silencing apparatus 40, formula silencing apparatus 5, at least one Hull nurse hereby silencing apparatus 6 and at least one glass fibre sound absorption structure (not shown) is got lost at least one three hole, by combining different silencing apparatus types thus being combined with the acting frequency of multiple silencing apparatus type, add the noise elimination frequency range of exhaust silencer, and then effectively improve the soundproof effect of exhaust silencer, substantially increase car load travelling comfort.
Embodiment two
The automobile exhaust muffler of the present embodiment to above-described embodiment does further supplementary notes.
Fig. 3 is the internal structure perspective view of the utility model automobile exhaust muffler embodiment two; Fig. 4 is the internal structure schematic diagram of the utility model automobile exhaust muffler embodiment two; Please refer to Fig. 3-4, further, the first expansion silencing apparatus 41 is provided with in automotive silencing cylindrical shell 10 inner chamber, first expansion silencing apparatus 41 specifically comprises: be set in the first baffle plate 11 on the first steam outlet pipe 31, the second baffle 12 be set on inner first pipeline 22 and the first steam outlet pipe 31, also through there being an interconnecting tube 8 on second baffle 12.Particularly, the first expansion silencing apparatus 41 can be formed by inner first pipeline 22, interconnecting tube 8, first baffle plate 11 and second baffle 12, in the confined space, first baffle plate 11 can be rationally set by the cross-section of pipeline sum of reasonably combined inner first pipeline 22, interconnecting tube 8, the length of the first expansion chamber that second baffle 12 is formed, the sound wave of forward direction is interfered mutually from the reflected wave amassed at different pipeline section, thus effectively reduce by the acoustic energy of the first expansion silencing apparatus 41 outwardly radiation, to eliminate medium and low frequency pneumatic noise.Preferably, second baffle 12 is provided with multiple hole, to realize the function expanding silencing apparatus.
Further, be provided with three holes formula silencing apparatus 5, three hole formula silencing apparatus 5 of getting lost of getting lost in automotive silencing cylindrical shell 10 inner chamber to comprise: be set in the third gear plate 13 on inner first pipeline 22 and the first steam outlet pipe 31, through interconnecting tube 8 on third gear plate 13.Particularly, three holes can be formed by inner first pipeline 22, interconnecting tube 8, second baffle 12 and third gear plate 13 and to get lost formula silencing apparatus 5, be mainly used in the pneumatic noise eliminating 100Hz-500Hz.Preferably, glass fibre sound absorption structure (not shown) is provided with between second baffle 12 and third gear plate 13, be mainly used in eliminating the pneumatic noise of more than 500Hz, get lost the noise elimination frequency range of formula silencing apparatus 5 to increase by three holes, improve the soundproof effect of automobile exhaust muffler.
Further, be provided with the second expansion silencing apparatus 42, second expansion silencing apparatus 42 in automotive silencing cylindrical shell 10 inner chamber to comprise: be set in the fourth gear plate 14 on inner second pipe 23 and the second steam outlet pipe 32.Particularly, the first steam outlet pipe 31, second steam outlet pipe 32, interconnecting tube 8, third gear plate 13 and fourth gear plate 14 form the second expansion silencing apparatus 42.Preferably, fourth gear plate 14 is provided with multiple hole, to realize the function expanding silencing apparatus.
Further, be provided with nurse hereby silencing apparatus 6 in Hull in automotive silencing cylindrical shell 10 inner chamber, Hull nurse hereby silencing apparatus 6 comprises: be set in the fifth gear plate 15 on inner second pipe 23 and the second steam outlet pipe 32, the sixth gear plate 16 be set on the second steam outlet pipe 32.Particularly, form Hull nurse hereby silencing apparatus 6 by inner second pipe 23, fifth gear plate 15 and sixth gear plate 16, be mainly used in the pneumatic noise eliminating 40Hz-200Hz.Preferably, between fourth gear plate 14 and fifth gear plate 15, be provided with glass fibre sound absorption structure (not shown), be mainly used in the pneumatic noise eliminating more than 500Hz.
Preferably, inner first pipeline 22 can not be identical with the caliber of inner second pipe 23, rationally can arrange the caliber of inner first pipeline 22 and inner second pipe 23 according to actual needs, with reasonable distribution exhaust energy stream.
Preferably, the first steam outlet pipe 31 comprises outside outlet pipe 311 and inner outlet pipe 312; The tube wall of inner first pipeline 22, inner outlet pipe 312 and interconnecting tube 8 is all arranged and has multiple hole, to realize the function expanding silencing apparatus.
In the present embodiment, in the confined space of automobile chassis, by being optimized design to the internal structure of automobile exhaust muffler, multiple silencing apparatuss in reasonable Arrangement automotive silencing cylindrical shell, to improve the soundproof effect of automobile exhaust silencing pot to low frequency pneumatic noise, high-frequency air flow noise, reach vent systems NVH (referring to noise, vibration and sound vibration roughness) noise targets, improve the comfort level of car load.
The embodiment of the present invention also provides a kind of automobile, comprising: as the automobile exhaust muffler in above-mentioned any embodiment.
Wherein, the structure of automobile exhaust muffler and function and aforementioned model utility embodiment similar, repeat no more herein.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. an automobile exhaust muffler, it is characterized in that, comprise: automotive silencing cylindrical shell, described automotive silencing cylindrical shell is provided with suction tude, is provided with two inside by described automotive silencing cylindrical shell extend to described automotive silencing cylindrical shell outside steam outlet pipe respectively to the two ends of described automotive silencing cylindrical shell in the inner chamber of described automotive silencing cylindrical shell; Also be provided with in described automotive silencing cylinder lumen and be set on described suction tude and described steam outlet pipe: at least one expands silencing apparatus, formula silencing apparatus, at least one Hull nurse hereby silencing apparatus and at least one glass fibre sound absorption structure is got lost at least one three hole.
2. automobile exhaust muffler according to claim 1, it is characterized in that, the first expansion silencing apparatus is provided with in described automotive silencing cylinder lumen, described first expansion silencing apparatus specifically comprises: be set in the first baffle plate on described steam outlet pipe, the second baffle be set on described suction tude and described steam outlet pipe, also through there being an interconnecting tube on described second baffle.
3. automobile exhaust muffler according to claim 2, it is characterized in that, be provided with three holes in described automotive silencing cylinder lumen to get lost formula silencing apparatus, described three holes formula silencing apparatus of getting lost comprises: be set in the third gear plate on described suction tude and described steam outlet pipe, through described interconnecting tube on described third gear plate.
4. automobile exhaust muffler according to claim 3, is characterized in that, two described steam outlet pipes are respectively the first steam outlet pipe and the second steam outlet pipe; Described second baffle and third gear sleeve-board are located on described first steam outlet pipe;
Be provided with the second expansion silencing apparatus in described automotive silencing cylinder lumen, described second expansion silencing apparatus comprises: be set in the fourth gear plate on described suction tude and described second steam outlet pipe.
5. automobile exhaust muffler according to claim 4, it is characterized in that, be provided with a Hull nurse hereby silencing apparatus in described automotive silencing cylinder lumen, described Hull nurse hereby silencing apparatus comprises: be set in the fifth gear plate on described suction tude and described second steam outlet pipe, the sixth gear plate be set on described second steam outlet pipe.
6. automobile exhaust muffler according to claim 5, is characterized in that, is provided with described glass fibre sound absorption structure between described second baffle and described third gear plate; Described glass fibre sound absorption structure is provided with between described fourth gear plate and described fifth gear plate.
7. automobile exhaust muffler according to claim 5, is characterized in that, described suction tude is three-way pipe, comprises admission line and inside first pipeline be communicated with described admission line respectively and inner second pipe; The caliber of described inner first pipeline is greater than the caliber of described inner second pipe; Described second baffle and third gear sleeve-board are located on described inner first pipeline, and described fourth gear plate and fifth gear sleeve-board are located on described inner second pipe.
8. automobile exhaust muffler according to claim 7, is characterized in that, described second baffle and described fourth gear plate are provided with multiple hole;
Described first steam outlet pipe comprises outside outlet pipe and inner outlet pipe;
The tube wall of described inner first pipeline, inner outlet pipe and interconnecting tube is all arranged and has multiple hole.
9. the automobile exhaust muffler according to any one of claim 1-8, is characterized in that, the two ends of described automotive silencing cylindrical shell are equipped with the suspension hook for being connected with automotive body.
10. an automobile, is characterized in that, comprising: the automobile exhaust muffler as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811641.5U CN205101084U (en) | 2015-10-19 | 2015-10-19 | Car exhaust muffler and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811641.5U CN205101084U (en) | 2015-10-19 | 2015-10-19 | Car exhaust muffler and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101084U true CN205101084U (en) | 2016-03-23 |
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ID=55516868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520811641.5U Active CN205101084U (en) | 2015-10-19 | 2015-10-19 | Car exhaust muffler and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205101084U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368768A (en) * | 2016-10-14 | 2017-02-01 | 上海天纳克排气系统有限公司 | Silencer |
| CN107762607A (en) * | 2017-11-27 | 2018-03-06 | 田齐芳 | Silencer with snap joint |
| CN111379615A (en) * | 2020-04-30 | 2020-07-07 | 华晨鑫源重庆汽车有限公司 | Exhaust silencer capable of promoting balance |
-
2015
- 2015-10-19 CN CN201520811641.5U patent/CN205101084U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368768A (en) * | 2016-10-14 | 2017-02-01 | 上海天纳克排气系统有限公司 | Silencer |
| CN106368768B (en) * | 2016-10-14 | 2019-03-15 | 上海天纳克排气系统有限公司 | Silencer |
| CN107762607A (en) * | 2017-11-27 | 2018-03-06 | 田齐芳 | Silencer with snap joint |
| CN111379615A (en) * | 2020-04-30 | 2020-07-07 | 华晨鑫源重庆汽车有限公司 | Exhaust silencer capable of promoting balance |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |