CN202789049U - Automobile exhaust system - Google Patents
Automobile exhaust system Download PDFInfo
- Publication number
- CN202789049U CN202789049U CN201220462091.7U CN201220462091U CN202789049U CN 202789049 U CN202789049 U CN 202789049U CN 201220462091 U CN201220462091 U CN 201220462091U CN 202789049 U CN202789049 U CN 202789049U
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- CN
- China
- Prior art keywords
- silencer
- pipe
- exhaust system
- housing
- automobile exhaust
- 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 - Lifetime
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Abstract
The utility model discloses an automobile exhaust system, comprising a middle silencer and a rear silencer. One end of the middle silencer is connected with the gas outlet end of an engine through a first exhaust pipe; the other end of the middle silencer and one end of the rear silencer are connected through a second exhaust pipe; the other end of the rear silencer is further connected with an exhaust tail pipe; the middle silencer, the rear silencer, the first exhaust pipe and the second exhaust pipe which are connected with the middle silencer and the rear silencer, and the exhaust tail pipe are made of stainless steel; and an ISO (International Standardization Organization)/EN mark of the stainless steel is EN10088: X2CrTi12. According to the automobile exhaust system provided by the utility model, the structure of the automobile exhaust system can be simplified, so that the generated waste gas is convenient to exhaust; and meanwhile, the wear resistance property of the automobile exhaust system can be improved by using the stainless steel with the mark of EN10088:X2CrTi12; the service life of the automobile exhaust system can be prolonged; and the maintenance cost can be reduced.
Description
Technical field
The utility model relates to a kind of automobile exhaust system,
Background technique
Automobile exhaust system is positioned at vehicle bottom, is communicated with motor outlet side and atmosphere, and Main Function is waste gas, purifying exhaust air, the reduction noise that the discharging motor produces.But the automobile exhaust system work under bad environment causes the corrosion to automobile exhaust system easily, for example, and the factors such as the excitation vibrations on motor and road surface, high temperature, corrosion.In addition, existing exhaust system structure is complicated, corrosive waste gas that motor produces easily in vent systems prolonged stay aggravated further corrosion to vent systems, the sulphur-containing exhaust gas that in motor, produces of the gasoline of inferior quality for example.The corrosion of vent systems has reduced the working life of vent systems, even the working life of other component of being associated with vent systems of impact, thereby increased maintenance and the cost of upkeep of automobile, therefore, extremely be necessary to develop a kind of corrosion-resistant vent systems and avoid the problems referred to above.
The model utility content
For the problem that prior art exists, the purpose of this utility model provides a kind of automobile exhaust system, and the decay resistance that it can improve automobile exhaust system increases the service life, and reduces maintenance and cost of upkeep.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
A kind of automobile exhaust system, comprise middle baffler and after silencer, one end of described middle baffler is connected to the outlet side of motor by downtake pipe, the other end of described middle baffler is connected an end and is connected by second exhaust pipe with after silencer, the other end of described after silencer also is connected with tailpipe, described middle baffler, after silencer and the downtake pipe, second exhaust pipe and the tailpipe that are connected on described middle baffler and the after silencer are made by stainless steel, and the described stainless ISO/EN trade mark is EN10088:X2CrTi12.
Further, described middle baffler is connected flange and is connected with downtake pipe, second exhaust pipe and tailpipe respectively with after silencer.
Further, also be connected with the 3rd outlet pipe between the outlet side of described motor and the described downtake pipe, be provided with thermal shield on described the 3rd outlet pipe.
Further, described middle baffler comprises the first housing of cylindricality, described the first housing two ends are respectively by the first front cover and the sealing of the first rear end cover, axial direction perpendicular to the first housing in the cavity of described the first housing is provided with the first internal baffle, also be provided with the first hole pipe in described the first housing, described the first hole pipe penetrates described the first front cover, the first internal baffle and the first rear end cover.
Further, described after silencer comprises the second housing of cylindricality, described the second housing two ends are respectively by the second front cover and the sealing of the second rear end cover, axial direction perpendicular to the second housing in the cavity of described the second housing is provided with the second internal baffle and the 3rd internal baffle, also be provided with the second hole pipe and the 3rd hole pipe in described the second housing, described the second hole pipe penetrates described the second front cover, the second internal baffle and the 3rd internal baffle, and described the 3rd hole pipe penetrates described the second rear end cover, the second internal baffle and the 3rd internal baffle.
Further, also be provided with the suspension hook that is connected for vehicle body on the described automobile exhaust system.
Further, described suspension hook is welded on the described after silencer.
The utility model has been simplified the structure of automobile exhaust system, be convenient to have started the discharge of the waste gas that produces, adopting simultaneously the trade mark is the decay resistance that the stainless steel of EN10088:X2CrTi12 improves automobile exhaust system, prolong the working life of automobile exhaust system, reduced maintenance and cost of upkeep.
Description of drawings
Fig. 1 is the structural representation of a kind of preferred automobile heat-extraction system of the utility model;
Fig. 2 is the middle muffler structure schematic representation of automobile heat-extraction system shown in Figure 1;
Fig. 3 is the after silencer structural representation of automobile heat-extraction system shown in Figure 1.
Embodiment
Below in conjunction with accompanying drawing, a preferred embodiment of the present utility model is described in detail.
As shown in Figure 1, the utility model provides a kind of automobile exhaust system, this automobile exhaust system comprises middle baffler 1 and after silencer 2, one end of described middle baffler 1 is connected to the outlet side of motor by downtake pipe 3, the end that the other end of described middle baffler 1 is connected with after silencer connects by second exhaust pipe 4, the other end of described after silencer 2 also is connected with tailpipe 5, as a kind of preferred version of the present utility model, described middle baffler 1 is connected with after silencer to be connected with tailpipe with downtake pipe 3, second exhaust pipe 4 respectively by flange and is connected.Certainly, the Placement that the present invention can also adopt those skilled in the art to be familiar with connects, and for example adopts the mode of fastening piece or welding to connect.Also preferably be connected with the 3rd outlet pipe between the outlet side of described motor and the described downtake pipe 3, be provided with thermal shield on described the 3rd outlet pipe.
Middle baffler 1 after silencer 2 of present embodiment and be connected to downtake pipe 3 on described middle baffler 1 and the after silencer 2, second exhaust pipe 4, the 3rd outlet pipe and tailpipe 5 is made by stainless steel, the described stainless ISO/EN trade mark is EN10088:X2CrTi12.Described stainless steel is the stainless steel cold-rolled plate of buying from Baoshan Iron ﹠ Steel Co., Ltd, its chemical composition is as follows: C≤0.02, Mn≤1.00, Si≤1.00, P≤0.04, S≤0.03, Cr 11.00-12.5, Ni≤0.50, N≤0.02, Ti+Nb〉0.08+8x (C+N), Ti 0.12 – 0.50, the listed numerical value unit of Nb 〉=0.12(is mass percent wt%).This stainless steel is considered the impact of uniformity and the grain size of its metallographic structure, make it have preferably decay resistance, and described stainless yield strength is 170-290MPa, tensile strength 〉=380MPa, elongation percentage (ISO6892type1) 〉=28%, grain size should be 5 grades or thinner (ASTM E112), does not have banded structure, and the stainless good mechanical property of present embodiment helps to improve processability and weld strength.
As a kind of preferred version of the present utility model, described baffler comprises the first housing 11 of cylindricality, described the first housing 11 two ends are respectively by the first front cover 12 and 13 sealings of the first rear end cover, axial direction perpendicular to the first housing 11 in the cavity of described the first housing 11 is provided with the first internal baffle 14, also be provided with the first hole pipe 15 in described the first housing 11, described the first hole pipe 15 penetrates described the first front cover 12, the first internal baffle 14 and the first rear end cover 13.The after silencer 2 of present embodiment comprises the second housing 21 of cylindricality, described the second housing 21 two ends are respectively by the second front cover 22 and 23 sealings of the second rear end cover, axial direction perpendicular to the second housing 21 in the cavity of described the second housing 21 is provided with the second internal baffle 24 and the 3rd internal baffle 25, also be provided with pipe the 26 and the 3rd hole, the second hole pipe 27 in described the second housing 21, described the second hole pipe 26 penetrates described the second front cover 22, the second internal baffle 24 and the 3rd internal baffle 25, described the 3rd hole pipe 27 penetrates described the second rear end cover 23, the second internal baffle 24 and the 3rd internal baffle 25.
Also preferably be provided with suspension hook on the automobile exhaust system of the present utility model, as a kind of preferred version of the present utility model, described suspension hook is suspended under the vehicle body by the rubber hanger.More preferably, the suspension hook of present embodiment is welded on the described after silencer, certainly, the utility model can also adopt that those skilled in the art are familiar with other be fixedly connected with the mode connecting shackle, welding only is a kind of preferred version of present embodiment.
Above-described embodiment is only for illustration of the utility model; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; in the situation that does not break away from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all equivalent technical solutions also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (7)
1. automobile exhaust system, it is characterized in that, comprise middle baffler and after silencer, one end of described middle baffler is connected to the outlet side of motor by downtake pipe, the other end of described middle baffler is connected an end and is connected by second exhaust pipe with after silencer, the other end of described after silencer also is connected with tailpipe, described middle baffler, after silencer and the downtake pipe, second exhaust pipe and the tailpipe that are connected on described middle baffler and the after silencer are made by stainless steel, and the described stainless ISO/EN trade mark is EN10088:X2CrTi12.
2. automobile exhaust system according to claim 1 is characterized in that, described middle baffler is connected flange and is connected with downtake pipe, second exhaust pipe and tailpipe respectively with after silencer.
3. automobile exhaust system according to claim 1 is characterized in that, also is connected with the 3rd outlet pipe between the outlet side of described motor and the described downtake pipe, is provided with thermal shield on described the 3rd outlet pipe.
4. automobile exhaust system according to claim 1, it is characterized in that, described middle baffler comprises the first housing of cylindricality, described the first housing two ends are respectively by the first front cover and the sealing of the first rear end cover, axial direction perpendicular to the first housing in the cavity of described the first housing is provided with the first internal baffle, also be provided with the first hole pipe in described the first housing, described the first hole pipe penetrates described the first front cover, the first internal baffle and the first rear end cover.
5. automobile exhaust system according to claim 1, it is characterized in that, described after silencer comprises the second housing of cylindricality, described the second housing two ends are respectively by the second front cover and the sealing of the second rear end cover, axial direction perpendicular to the second housing in the cavity of described the second housing is provided with the second internal baffle and the 3rd internal baffle, also be provided with the second hole pipe and the 3rd hole pipe in described the second housing, described the second hole pipe penetrates described the second front cover, the second internal baffle and the 3rd internal baffle, described the 3rd hole pipe penetrates described the second rear end cover, the second internal baffle and the 3rd internal baffle.
6. automobile exhaust system according to claim 1 is characterized in that, also is provided with the suspension hook that is connected for vehicle body on the described automobile exhaust system.
7. automobile exhaust system according to claim 6 is characterized in that, described suspension hook is welded on the described after silencer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220462091.7U CN202789049U (en) | 2012-09-11 | 2012-09-11 | Automobile exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220462091.7U CN202789049U (en) | 2012-09-11 | 2012-09-11 | Automobile exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789049U true CN202789049U (en) | 2013-03-13 |
Family
ID=47816324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220462091.7U Expired - Lifetime CN202789049U (en) | 2012-09-11 | 2012-09-11 | Automobile exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329149A (en) * | 2014-06-18 | 2015-02-04 | 南京海特汽车部件有限公司 | Car muffler assembly |
| CN104343517A (en) * | 2014-06-18 | 2015-02-11 | 南京海特汽车部件有限公司 | Automobile muffler assembly |
-
2012
- 2012-09-11 CN CN201220462091.7U patent/CN202789049U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329149A (en) * | 2014-06-18 | 2015-02-04 | 南京海特汽车部件有限公司 | Car muffler assembly |
| CN104343517A (en) * | 2014-06-18 | 2015-02-11 | 南京海特汽车部件有限公司 | Automobile muffler assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |