CN202023617U - Three-cylinder exhaust manifold assembly - Google Patents
Three-cylinder exhaust manifold assembly Download PDFInfo
- Publication number
- CN202023617U CN202023617U CN2011201239539U CN201120123953U CN202023617U CN 202023617 U CN202023617 U CN 202023617U CN 2011201239539 U CN2011201239539 U CN 2011201239539U CN 201120123953 U CN201120123953 U CN 201120123953U CN 202023617 U CN202023617 U CN 202023617U
- Authority
- CN
- China
- Prior art keywords
- exhaust manifold
- cylinder
- cylinder exhaust
- stainless steel
- catalyst converter
- 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
A three-cylinder exhaust manifold assembly belongs to the technical field of catalytic converters for light petrol engines. The three-cylinder exhaust manifold assembly comprises a front flange, exhaust manifolds, a catalyst shell and a rear end cap. The exhaust manifolds are connected to a front end opening of the catalyst shell, the rear end cap is connected to a rear end opening of the catalyst shell, and a catalytic carrier is arranged inside the catalyst shell and wrapped by a liner. Three-cylinder exhaust manifolds of the exhaust manifolds are connected with the catalyst shell after jointing, and each exhaust manifold comprises an upper shell and a lower shell which are formed by stamping stainless steel. The three-cylinder exhaust manifold assembly is simple in structure and reasonable in design, adopts a structure of a tight coupling type exhaust manifold catalyst assembly, and is processed by adopting stamping process and utilizing robot welding procedure so as to meet the requirements for reducing manifold weight, exhaust back pressure and the like, thereby greatly improving existing economical efficiency and dynamic property of fuel oil.
Description
Technical field
The utility model belongs to light-duty petrol engine with catalytic converter assembly technical field, is specifically related to a kind of three cylinder exhaust manifold assemblies.
Background technique
At present, internal-combustion engine just develops towards high-power, light-weighted direction, and its reinforcing degree improves constantly.The heat load of reinforcing stimulus is one of key issue in its development process.Gas exhaust manifold is the part that mainly is heated of motor, it directly contacts with high-temperature fuel gas, and temperature is higher, and working environment is very abominable, particularly the effect repeatedly owing to high temperature and the even thermal stress that produces of temperature distributing disproportionation often forms heat fatigue cracking, causes its destruction.
Summary of the invention
At problems of the prior art, the purpose of this utility model is to design the technological scheme that a kind of three cylinder exhaust manifold assemblies are provided, this three cylinders machine exhaust manifold assembly adopts tight lotus root formula structure, reduce the toxic emission harmful matter, adopt the moulding of stainless steel stamping process, reduce exhaust back pressure, and reduce weight.
Described a kind of three cylinder exhaust manifold assemblies, comprise forward flange, gas exhaust manifold, catalyst converter housing and rear end cover, described catalyst converter housing front port connection is provided with gas exhaust manifold, the rear port connection is provided with rear end cover, in the catalyst converter housing catalytic carrier is set, catalytic carrier is wrapped up by liner, it is characterized in that three cylinder gas exhaust manifolds in the described gas exhaust manifold converge the back and are connected with the catalyst converter housing, and gas exhaust manifold is made of upper shell and the lower shell body that the stainless steel punching press constitutes.
Described a kind of three cylinder exhaust manifold assemblies is characterized in that the lower end connection of described lower shell body is provided with the lower shell body sticking patch.
Described a kind of three cylinder exhaust manifold assemblies is characterized in that being provided with on the described upper shell attaching nut who is made of the stainless steel punching press, and the attaching nut is provided with the lambda sensor that can receive from three cylinder body signals of motor last the connection.
Described a kind of three cylinder exhaust manifold assemblies is characterized in that fixedly installing on the described upper shell support I that is used to install thermal shield that is made of the stainless steel punching press.
Described a kind of three cylinder exhaust manifold assemblies is characterized in that fixedly installing on the described catalyst converter housing support II that is used to install thermal shield that is made of the stainless steel punching press.
Described a kind of three cylinder exhaust manifold assemblies is characterized in that described forward flange is made of carbon steel.
Described a kind of three cylinder exhaust manifold assemblies is characterized in that described catalyst converter housing and rear end cover are made of the stainless steel punching press.
Above-mentioned a kind of three cylinder exhaust manifold assemblies, simple in structure, reasonable in design, adopt tight lotus root formula gas exhaust manifold catalytic converter assembly structure, the processing of employing stamping process utilizes robot welding technology, reduces manifold weight to reach, reduce requirements such as exhaust back pressure, promoted normal fuel economy and power character greatly.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a partial sectional view of the present utility model.
Among the figure: the 1-forward flange; 2-support I; The 3-upper shell; 4-attaching nut; 5-catalyst converter housing; 6-support II; The 7-rear end cover; The 8-catalytic carrier; The 9-liner; The 10-lower shell body; 11-lower shell body sticking patch.
Embodiment
Further specify the utility model below in conjunction with Figure of description.
As shown in the figure, a kind of three cylinder exhaust manifold assemblies comprise catalyst converter housing 5, and catalyst converter housing 5 is made of the stainless steel punching press, and catalytic carrier 8 is set in the catalyst converter housing 5, and catalytic carrier 8 is by liner 9 parcels.Catalyst converter housing 5 front ports connect gas exhaust manifold, and three cylinder gas exhaust manifolds in the gas exhaust manifold converge the back and are connected with catalyst converter housing 5.Three cylinder gas exhaust manifolds in the gas exhaust manifold are fixedlyed connected with forward flange 1, and forward flange 1 is made of carbon steel.Gas exhaust manifold is made of upper shell 3 and the lower shell body 10 that the stainless steel punching press constitutes, and lower shell body 10 lower end indentation, there connections are provided with lower shell body sticking patch 11, have constituted complete lower shell body structure.The attaching nut 4 who is made of the stainless steel punching press is set on the upper shell 3, and connection setting can receive the lambda sensor from three cylinder body signals of motor on the attaching nut 4.The rear port of catalyst converter housing 5 connects rear end cover 7, and rear end cover 7 is made of the stainless steel punching press.Constitute support I 2 and support II 6 for the ease of thermal shield being installed, on upper shell 3 and catalyst converter housing 5, having been fixedly installed by the stainless steel punching press.
Claims (7)
1. cylinder exhaust manifold assembly, comprise forward flange (1), gas exhaust manifold, catalyst converter housing (5) and rear end cover (7), the connection of described catalyst converter housing (5) front port is provided with gas exhaust manifold, the rear port connection is provided with rear end cover (7), catalytic carrier (8) is set in the catalyst converter housing (5), catalytic carrier (8) is wrapped up by liner (9), it is characterized in that three cylinder gas exhaust manifolds in the described gas exhaust manifold converge the back and are connected with catalyst converter housing (5), upper shell that gas exhaust manifold is made of the stainless steel punching press (3) and lower shell body (10) formation.
2. a kind of three cylinder exhaust manifold assemblies as claimed in claim 1 is characterized in that the lower end connection of described lower shell body (10) is provided with lower shell body sticking patch (11).
3. a kind of three cylinder exhaust manifold assemblies as claimed in claim 1, it is characterized in that described upper shell (3) upward is provided with the attaching nut (4) who is made of the stainless steel punching press, attaching nut (4) goes up to connect the lambda sensor that can receive from three cylinder body signals of motor is set.
4. a kind of three cylinder exhaust manifold assemblies as claimed in claim 1 is characterized in that fixedly installing on the described upper shell (3) the support I (2) that is used to install thermal shield that is made of the stainless steel punching press.
5. a kind of three cylinder exhaust manifold assemblies as claimed in claim 1 is characterized in that fixedly installing on the described catalyst converter housing (5) the support II (6) that is used to install thermal shield that is made of the stainless steel punching press.
6. a kind of three cylinder exhaust manifold assemblies as claimed in claim 1 is characterized in that described forward flange (1) is made of carbon steel.
7. a kind of three cylinder exhaust manifold assemblies as claimed in claim 1 is characterized in that described catalyst converter housing (5) and rear end cover (7) are made of the stainless steel punching press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201239539U CN202023617U (en) | 2011-04-25 | 2011-04-25 | Three-cylinder exhaust manifold assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201239539U CN202023617U (en) | 2011-04-25 | 2011-04-25 | Three-cylinder exhaust manifold assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202023617U true CN202023617U (en) | 2011-11-02 |
Family
ID=44848569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201239539U Expired - Lifetime CN202023617U (en) | 2011-04-25 | 2011-04-25 | Three-cylinder exhaust manifold assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202023617U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562245A (en) * | 2012-02-29 | 2012-07-11 | 重庆长安汽车股份有限公司 | Longitudinal gasoline engine exhaust manifold-catalytic converter assembly |
| CN103174500A (en) * | 2012-12-11 | 2013-06-26 | 浙江吉利罗佑发动机有限公司 | Connection structure of exhaust manifold |
| CN106555649A (en) * | 2016-11-10 | 2017-04-05 | 无锡市明盛强力风机有限公司 | A kind of manifold type catalytic converter |
-
2011
- 2011-04-25 CN CN2011201239539U patent/CN202023617U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562245A (en) * | 2012-02-29 | 2012-07-11 | 重庆长安汽车股份有限公司 | Longitudinal gasoline engine exhaust manifold-catalytic converter assembly |
| CN103174500A (en) * | 2012-12-11 | 2013-06-26 | 浙江吉利罗佑发动机有限公司 | Connection structure of exhaust manifold |
| CN103174500B (en) * | 2012-12-11 | 2015-04-08 | 浙江吉利罗佑发动机有限公司 | Connection structure of exhaust manifold |
| CN106555649A (en) * | 2016-11-10 | 2017-04-05 | 无锡市明盛强力风机有限公司 | A kind of manifold type catalytic converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG BONDLYE ENVIRONMENTAL TECHNOLOGY CO., LTD Free format text: FORMER NAME: ZHEJIANG BONDLYE MOTOR ENVIRONMENTAL TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Taizhou City, Zhejiang province 317000 South Street, Jinling Road Yicheng Road intersection City Waterfront Patentee after: ZHEJIANG BONDLYE ENVIRONMENTAL TECHNOLOGY CO., LTD. Address before: 188, long river road, Jiangnan street, Taizhou, Zhejiang, 317025, China Patentee before: Zhejiang Bondlye Motor Environmental Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |