CN202023618U - Single-layer exhaust manifold assembly of gasoline engine - Google Patents
Single-layer exhaust manifold assembly of gasoline engine Download PDFInfo
- Publication number
- CN202023618U CN202023618U CN2011201239562U CN201120123956U CN202023618U CN 202023618 U CN202023618 U CN 202023618U CN 2011201239562 U CN2011201239562 U CN 2011201239562U CN 201120123956 U CN201120123956 U CN 201120123956U CN 202023618 U CN202023618 U CN 202023618U
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- exhaust manifold
- gas exhaust
- individual layer
- petrol engine
- assembly
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Abstract
The utility model discloses a single-layer exhaust manifold assembly of a gasoline engine, belonging to the technical field of catalytic converters of gasoline engines. The single-layer exhaust manifold assembly of the gasoline engine comprises an exhaust manifold, a front flange, a rear flange and an oxygen sensor connecting nut, wherein the front flange and the rear flange are fixedly connected with the exhaust manifold, and the oxygen sensor connecting nut is arranged on the exhaust manifold. The single-layer exhaust manifold assembly of the gasoline engine is characterized in that the exhaust manifold comprises an exhaust manifold header pipe and a group of exhaust manifold branch pipes, wherein the exhaust manifold header pipe and the group of exhaust manifold branch pipes are formed by merging an upper single-layer exhaust manifold shell and a lower single-layer exhaust manifold shell. The exhaust manifold assembly of the gasoline engine has the advantages of uniformity in air distribution, constant air pressure, less heat energy loss, smoothness in exhaust, small exhaust backpressure, sensitiveness in receiving an oxygen sensor signal, excellent durability, simple process and flexibility for layout in the cabin of the engine.
Description
Technical field
The utility model belongs to petrol engine catalytic converter technology field, is specifically related to a kind of individual layer petrol engine exhaust manifold assembly.
Background technique
At present, the environmental problem that motor vehicle exhaust emission brings more and more is subjected to the attention of countries in the world, administers motor vehicle exhaust emission and mainly adopts the ternary catalyzing unit post-processing technology.Because the enforcement of Europe IV standard, for cooperating the use of new catalyst chemical formulation, the manifold-type catalytic converter got common application, and the initiation temperature of ternary catalyzing unit is that it is inoperative being lower than this temperature about 280 degree.For this reason, need ternary catalyzing unit is installed on the engine body, shorten the distance of catalyst converter and cylinder head exhaust outlet as far as possible, utilize high temperature herein to carry out catalyzed conversion.But at present the petrol engine exhaust manifold assembly that exists exists that exhaust has some setbacks, exhaust back pressure is big, distribution of gas is inhomogeneous, heat-energy losses is big, the oxygen sensor signal reception is insensitive, processing technology is complicated and problem such as motor general arrangement insufficient space.
Summary of the invention
Problem at the prior art existence, the purpose of this utility model is to design the technological scheme that a kind of individual layer petrol engine exhaust manifold assembly is provided, this petrol engine exhaust manifold assembly distribution of gas is even, gas pressure is constant, heat-energy losses is few, and exhaust is smooth and easy, and exhaust back pressure is little, oxygen sensor signal receives sensitive, durable superior and technology simple and can be in engine compartment flexible arrangement.
Described a kind of individual layer petrol engine exhaust manifold assembly, comprise gas exhaust manifold, forward flange of fixedlying connected and rear flange and be arranged on lambda sensor attaching nut on the gas exhaust manifold with gas exhaust manifold, it is characterized in that described gas exhaust manifold comprises gas exhaust manifold house steward and one group of gas exhaust manifold arm, gas exhaust manifold house steward and one group of gas exhaust manifold arm are made of individual layer gas exhaust manifold upper casing and the merging of individual layer gas exhaust manifold lower casing.
Described a kind of individual layer petrol engine exhaust manifold assembly is characterized in that described gas exhaust manifold comprises gas exhaust manifold house steward and 4 gas exhaust manifold arms, and 4 gas exhaust manifold arms communicate with the gas exhaust manifold house steward respectively.
Described a kind of individual layer petrol engine exhaust manifold assembly is characterized in that on the described gas exhaust manifold house steward lambda sensor attaching nut being set.
Described a kind of individual layer petrol engine exhaust manifold assembly is characterized in that on described gas exhaust manifold house steward's the side ports rear flange being set, and rear flange is tightly connected by the tapped hole that is provided with and the exhaust manifold on the cylinder.
Described a kind of individual layer petrol engine exhaust manifold assembly is characterized in that one group of manifold installation base is set on the described forward flange, fixedly connected gas exhaust manifold arm on the manifold installation base.
Described a kind of individual layer petrol engine exhaust manifold assembly is characterized in that fixedly installing a pack support installation base on the side of described forward flange, fixedly installs the thermal shield support on the support installation base.
Described a kind of individual layer petrol engine exhaust manifold assembly is characterized in that described forward flange and rear flange are made of carbon steel, and individual layer gas exhaust manifold upper casing, individual layer gas exhaust manifold lower casing and lambda sensor attaching nut are made of stainless steel.
Described a kind of individual layer petrol engine exhaust manifold assembly is characterized in that described thermal shield support is made of stainless steel.
Described a kind of individual layer petrol engine exhaust manifold assembly is characterized in that described forward flange by the Stainless Sheet Steel impact briquetting, and forward flange and engine cylinder cover exhaust side seal setting by the convex plane that the support installation base bottom that is provided with constitutes.
Above-mentioned a kind of individual layer petrol engine exhaust manifold assembly, simple in structure, reasonable in design, gas exhaust manifold house steward in the gas exhaust manifold and gas exhaust manifold arm combine by individual layer gas exhaust manifold upper casing and the welding of individual layer gas exhaust manifold lower casing, and the lambda sensor attaching nut that lambda sensor is installed is set on the gas exhaust manifold house steward, the thermal shield support is set on forward flange, make individual layer petrol engine exhaust manifold assembly of the present utility model reach the oxygen ion concentration homogeneous, distribution of gas is even, gas pressure is constant, heat-energy losses is few, exhaust is smooth and easy, exhaust back pressure is little, oxygen sensor signal receives requirements such as sensitivity, and have easily manufactured simply, can install flexibly with motor and cooperate.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of another angle of the present utility model.
Among the figure: the 1-forward flange; 2-individual layer gas exhaust manifold upper casing; 3-individual layer gas exhaust manifold lower casing; 4-lambda sensor attaching nut; The 5-rear flange; 6-thermal shield support; 7-manifold installation base; The 8-tapped hole; 9-gas exhaust manifold house steward; 10-gas exhaust manifold arm.
Embodiment
Further specify the utility model below in conjunction with Figure of description.
As illustrated in fig. 1 and 2, a kind of individual layer petrol engine exhaust manifold assembly comprises gas exhaust manifold, comprise that gas exhaust manifold comprises gas exhaust manifold house steward 9 and one group of gas exhaust manifold arm 10, be generally 4 gas exhaust manifold arms 10, gas exhaust manifold arm 10 communicates with gas exhaust manifold house steward 9 respectively, and the waste gas that motor produces is imported among the gas exhaust manifold house steward 9 by gas exhaust manifold arm 10.Gas exhaust manifold house steward 9 and one group of gas exhaust manifold arm 10 are made of individual layer gas exhaust manifold upper casing 2 and the 3 welding merging of individual layer gas exhaust manifold lower casing.
On the nearly waste gas exhaust end lambda sensor attaching nut 4 is set on the gas exhaust manifold house steward 9, on the lambda sensor attaching nut 4 lambda sensor is set, adopting above-mentioned being provided with to be beneficial to lambda sensor can the sensitive concentration from oxonium ion in 4 gas exhaust manifold arms 10.
Fixedly connected rear flange 5 on the nearly waste gas exhaust end on the gas exhaust manifold house steward 9, rear flange 5 is tightly connected by 3 tapped holes 8 of setting on it and the exhaust manifold on the cylinder.The fixedly connected forward flange 1 in gas exhaust manifold arm 10 lower ends is provided with one group of manifold installation base 7 on the forward flange 1, fixedly connected gas exhaust manifold arm 10 on the manifold installation base 7.And on a side, fixedly installing a pack support installation base at forward flange 1, optimum way fixedly installs thermal shield support 6 for 4 support installation bases are set on the support installation base.
Forward flange 1 and rear flange 5 are made of carbon steel in the utility model, and individual layer gas exhaust manifold upper casing 2, individual layer gas exhaust manifold lower casing 3, thermal shield support 6 and lambda sensor attaching nut 4 are made of stainless steel.
As shown in Figure 2, the convex plane that forward flange 1 attachment face has 4 groups of manifold installation base 7 bottoms to constitute has guaranteed the sealing that is connected with cylinder cap.
Adopt the exhaust manifold assembly of said structure, the waste gas that petrol engine is discharged imports gas exhaust manifold house steward 9 through gas exhaust manifold arm 10, and after mixing in gas exhaust manifold house steward 9, reaches the concentration homogeneous of oxonium ion, distribution of gas is even, gas pressure is constant, and heat-energy losses is few, and exhaust is smooth and easy, exhaust back pressure is little, oxygen sensor signal receives requirements such as sensitivity, but also has made things convenient for manufacturing, has improved catalytic converter durability and assembling capacity.
Claims (9)
1. individual layer petrol engine exhaust manifold assembly, comprise gas exhaust manifold, forward flange of fixedlying connected (1) and rear flange (5) and be arranged on lambda sensor attaching nut (4) on the gas exhaust manifold with gas exhaust manifold, it is characterized in that described gas exhaust manifold comprises gas exhaust manifold house steward (9) and one group of gas exhaust manifold arm (10), gas exhaust manifold house steward (9) and one group of gas exhaust manifold arm (10) merge formation by individual layer gas exhaust manifold upper casing (2) and individual layer gas exhaust manifold lower casing (3).
2. a kind of individual layer petrol engine exhaust manifold assembly as claimed in claim 1, it is characterized in that described gas exhaust manifold comprises gas exhaust manifold house steward (9) and 4 gas exhaust manifold arms (10), 4 gas exhaust manifold arms (10) communicate with gas exhaust manifold house steward (9) respectively.
3. a kind of individual layer petrol engine exhaust manifold assembly as claimed in claim 1 is characterized in that being provided with on the described gas exhaust manifold house steward (9) lambda sensor attaching nut (4).
4. a kind of individual layer petrol engine exhaust manifold assembly as claimed in claim 1, it is characterized in that on described gas exhaust manifold house steward's (9) the side ports rear flange (5) being set, rear flange (5) is tightly connected by the tapped hole (8) that is provided with and exhaust manifold on the cylinder.
5. a kind of individual layer petrol engine exhaust manifold assembly as claimed in claim 1 is characterized in that being provided with on the described forward flange (1) one group of manifold installation base (7), and manifold installation base (7) is gone up fixedly connected gas exhaust manifold arm (10).
6. a kind of individual layer petrol engine exhaust manifold assembly as claimed in claim 1 is characterized in that fixedly installing a pack support installation base on the side of described forward flange (1), fixedly installs thermal shield support (6) on the support installation base.
7. a kind of individual layer petrol engine exhaust manifold assembly as claimed in claim 1, it is characterized in that described forward flange (1) and rear flange (5) are made of carbon steel, individual layer gas exhaust manifold upper casing (2), individual layer gas exhaust manifold lower casing (3) and lambda sensor attaching nut (4) are made of stainless steel.
8. a kind of individual layer petrol engine exhaust manifold assembly as claimed in claim 1, it is characterized in that described forward flange (1) by the Stainless Sheet Steel impact briquetting, forward flange (1) seals setting with the engine cylinder cover exhaust side by the convex plane that support installation base (7) bottom constitutes.
9. a kind of individual layer petrol engine exhaust manifold assembly as claimed in claim 6 is characterized in that described thermal shield support (6) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201239562U CN202023618U (en) | 2011-04-25 | 2011-04-25 | Single-layer exhaust manifold assembly of gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201239562U CN202023618U (en) | 2011-04-25 | 2011-04-25 | Single-layer exhaust manifold assembly of gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202023618U true CN202023618U (en) | 2011-11-02 |
Family
ID=44848570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201239562U Expired - Lifetime CN202023618U (en) | 2011-04-25 | 2011-04-25 | Single-layer exhaust manifold assembly of gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202023618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452634A (en) * | 2012-06-01 | 2013-12-18 | 安徽华菱汽车有限公司 | Exhaust manifold gasket and exhaust manifold with same and engine |
| CN103775184A (en) * | 2012-10-26 | 2014-05-07 | 重庆长安汽车股份有限公司 | Longitudinally arranged engine exhaust branch pipe assembly |
-
2011
- 2011-04-25 CN CN2011201239562U patent/CN202023618U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452634A (en) * | 2012-06-01 | 2013-12-18 | 安徽华菱汽车有限公司 | Exhaust manifold gasket and exhaust manifold with same and engine |
| CN103452634B (en) * | 2012-06-01 | 2016-01-27 | 安徽华菱汽车有限公司 | Exhaust manifold gasket and the gas exhaust manifold applied thereof and motor |
| CN103775184A (en) * | 2012-10-26 | 2014-05-07 | 重庆长安汽车股份有限公司 | Longitudinally arranged engine exhaust branch pipe assembly |
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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 |
Granted publication date: 20111102 |
|
| CX01 | Expiry of patent term |