CN104279042A - Stainless steel exhaust manifold of quadruple cylinder engine - Google Patents
Stainless steel exhaust manifold of quadruple cylinder engine Download PDFInfo
- Publication number
- CN104279042A CN104279042A CN201310286702.6A CN201310286702A CN104279042A CN 104279042 A CN104279042 A CN 104279042A CN 201310286702 A CN201310286702 A CN 201310286702A CN 104279042 A CN104279042 A CN 104279042A
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- branch pipe
- exhaust
- exhaust manifold
- exhaust branch
- pipe
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Abstract
A stainless steel exhaust manifold of a quadruple cylinder engine comprises a gas inlet flange, a first exhaust branch pipe, a second exhaust branch pipe, a third exhaust branch pipe, a fourth exhaust branch pipe, a master exhaust pipe, a connection pipe, a reinforced support, a gas outlet flange and an oxygen sensor installation nut; the gas inlet ends of the first exhaust branch pipe, the second exhaust branch pipe, the third exhaust branch pipe and the fourth exhaust branch pipe are connected with the gas inlet flange; the gas outlet ends of the first exhaust branch pipe, the second exhaust branch pipe, the third exhaust branch pipe and the fourth exhaust branch pipe are connected with the master exhaust pipe; the connection pipe is connected with the gas outlet end of the master exhaust pipe; the gas outlet flange is connected with the gas outlet end of the connection pipe; the oxygen sensor installation nut is installed on the connection pipe and is communicated with the connection pipe; the reinforced support is connected between the gas inlet flange and the connection pipe. The stainless steel exhaust manifold of the quadruple cylinder engine is reasonable in design and simple in structure, installation convenience is fully considered, and high assembly efficiency is achieved. Meanwhile, few invested dies are needed by early development, the cost is low, development expenses of products are reduced greatly, and the development cycle of products is shortened.
Description
Technical field
The present invention relates to Exhuster of engine, particularly a kind of four cylinder engine stainless exhaust manifold.
Background technique
The cylinder cap of automobile four cylinder engine has four exhaust outlets, by installing gas exhaust manifold by the gas sampling of the discharge of all relief openings to a pipeline, then through the redox reaction of catalyst converter, simultaneously by the noise reduction of silencing apparatus, waste gas is discharged to air.
The bent-tube boiler manifold of the main structure of current most gas exhaust manifold to be cross section be circular pipeline, part be steel plate punched shaping after carry out the punching type manifold that welds.
For punching type manifold, exploitation and composition exemplar must carry out die sinking in advance, and need the great amount of cost dropped into, if performance can not reach the target of anticipation, mould faces amendment, and may have the risk of scrapping.
Manifold part, when punching press, due to the stretching of material, can cause parts locally thinning, after part is thinning, after manifold finished product, there is weak place.
Due to the temperatures as high 900 DEG C of engine exhaust, and exist along with the vibrations of motor, manifold works under the mal-condition of High Temperature High Pressure height vibrations, and there is the risk of cracking in weak place, finally causes the failure modes such as manifold gas leakage fracture.
Even more serious situation is that the high-temperature gas revealed may cause some inflammable matters of engine compartment to reach point of ignition, and then causes engine compartment to catch fire.
Summary of the invention
Object of the present invention, exactly in order to provide a kind of structure simple, is convenient to processing, with low cost, does not affect the four cylinder engine stainless exhaust manifold of the performance of gas exhaust manifold simultaneously.
The object of the present invention is achieved like this: a kind of four cylinder engine stainless exhaust manifold, for being connected with four cylinder engine; Comprise inlet flange, first row gas branch pipe, second row gas branch pipe, the 3rd exhaust branch pipe, the 4th exhaust branch pipe, exhaust manifold, connecting tube, reinforcing bracket, give vent to anger flange and lambda sensor mounting nuts; The inlet end of first row gas branch pipe, second row gas branch pipe, the 3rd exhaust branch pipe, the 4th exhaust branch pipe is connected with inlet flange respectively, the outlet side of first row gas branch pipe, second row gas branch pipe, the 3rd exhaust branch pipe, the 4th exhaust branch pipe is connected with exhaust manifold respectively, connecting tube is connected with the outlet side of exhaust manifold, flange of giving vent to anger is connected with the outlet side of connecting tube, lambda sensor mounting nuts to be arranged on connecting tube and to be communicated with connecting tube, and reinforcing bracket is connected between inlet flange and connecting tube.
The stainless steel welding tube of described exhaust manifold to be cross section be D shape, comprise an arc shaped surface and a plane, plane has three circular holes, described second row gas branch pipe, the 3rd exhaust branch pipe and the 4th exhaust branch pipe to insert respectively in above-mentioned three circular holes and are welded to connect; The outlet side of described first row gas branch pipe is D shape, and the D shape outlet side of first row gas branch pipe and the inlet end of exhaust manifold are welded to connect; The inlet end of described connecting tube is D shape, and the D shape inlet end of connecting tube and the outlet side of exhaust manifold are welded to connect.
Described flange of giving vent to anger is fixed with two nuts for being connected with exhausting silencer system by gas exhaust manifold.
Gas exhaust manifold of the present invention is reasonable in design, and structure is simple, takes into full account the facility of installation, achieves the high efficiency of assembling.Exploitation required input mould is few in advance simultaneously, and cost is low, has greatly saved development cost and the cycle of product.Manifold adopts robot welding, ensure that the conformity of product.
Accompanying drawing explanation
Fig. 1, Fig. 2 are the overall structure schematic diagram of four cylinder engine stainless exhaust manifold of the present invention;
Fig. 3 is the structural representation of the exhaust manifold in the present invention;
Fig. 4 be exhaust manifold in the present invention cross section structure schematic diagram;
Fig. 5 is the structural representation of the flange of giving vent to anger in the present invention.
Embodiment
See Fig. 1, Fig. 2, four cylinder engine stainless exhaust manifold of the present invention, for being connected with four cylinder engine; Comprise inlet flange 1, first row gas branch pipe 2, second row gas branch pipe 3, the 3rd exhaust branch pipe 4, the 4th exhaust branch pipe 5, exhaust manifold 6, connecting tube 7, reinforcing bracket 8, give vent to anger flange 9 and lambda sensor mounting nuts 10.Wherein, the inlet end of first row gas branch pipe 2, second row gas branch pipe 3, the 3rd exhaust branch pipe 4, the 4th exhaust branch pipe 5 is connected with inlet flange 1 respectively, the outlet side of first row gas branch pipe 2, second row gas branch pipe 3, the 3rd exhaust branch pipe 4, the 4th exhaust branch pipe 5 is connected with exhaust manifold 6 respectively, connecting tube 7 is connected with the outlet side of exhaust manifold 6, flange 9 of giving vent to anger is connected with the outlet side of connecting tube 7, lambda sensor mounting nuts 10 to be arranged on connecting tube 7 and to be communicated with connecting tube, and reinforcing bracket 8 is connected between inlet flange 1 and connecting tube 7.
Coordinate see Fig. 3, Fig. 4, exhaust manifold 6 in the present invention for cross section be the stainless steel welding tube of D shape, comprise an arc shaped surface 61 and a plane 62, plane has three circular holes 63, second row gas branch pipe 3, the 3rd exhaust branch pipe 4 and the 4th exhaust branch pipe 5 to insert respectively in above-mentioned three circular holes and are welded to connect; The outlet side of first row gas branch pipe 2 is D shape, and the D shape outlet side of first row gas branch pipe 2 and the inlet end of exhaust manifold are welded to connect; The inlet end of connecting tube 7 is D shape, and the D shape inlet end of connecting tube and the outlet side of exhaust manifold 6 are welded to connect.
Coordinating see Fig. 5, the flange 9 of giving vent to anger in the present invention being fixed with two nuts 11 for being connected with exhausting silencer system by gas exhaust manifold.
The steel plate punched that inlet flange in the present invention is 3mm by thickness forms, and inlet flange and cylinder cap mating face have protruding sealing strip, and inlet flange to be fixedly connected with cylinder cap by screwed tight and to keep sealing state.
Four exhaust branch pipes in the present invention are bent into by stainless pipe, wherein second and third, four exhaust branch pipes for once to bend, first row gas branch pipe is bent into through secondary, and gives vent to anger and become D type by integer, inserts exhaust manifold.
The cross section of the exhaust manifold in the present invention is D type, and its cambered surface part is welded, planar section perforate, ensures that three exhaust branch pipes can insert and weld, and D type port is connected with the D type outlet side of first row gas branch pipe simultaneously.
Connecting tube one end in the present invention is circular, and the other end is D type, can be connected with exhaust manifold.Connecting tube is welded with the lambda sensor mounting nuts for assembling lambda sensor simultaneously.
The two ends of the reinforcing bracket in the present invention are welded on inlet flange and connecting tube respectively, play support and rigidity reinforing function to the manifold structure of entirety.
Flange of giving vent to anger in the present invention is made up of the steel plate punched of thickness 2mm, is welded on connecting tube, flange of giving vent to anger is welded with two nuts, exhausting silencer system and gas exhaust manifold is coupled together by bolt.
Gas exhaust manifold of the present invention operationally, inlet flange is fixed on engine cylinder by nut and covers, and keep the state of sealing, the waste gas that motor is discharged goes out gas branch pipe by four and enters the house steward that gives vent to anger, and in connecting tube, impact the sensor be arranged on lambda sensor nut, make ECU to obtain correct signal, gas enters into vent systems eventually through connecting tube.Due to the high temperature vibration environment of motor, manifold has by the bad risk of vibrations shake, and therefore reinforcing bracket serves the effect improving rigidity in manifold assembly.Flange of giving vent to anger is carried out being connected with exhausting silencer system below by tightening of nut and bolt and is kept sealing.
Claims (3)
1. a four cylinder engine stainless exhaust manifold, for being connected with four cylinder engine; It is characterized in that: comprise inlet flange, first row gas branch pipe, second row gas branch pipe, the 3rd exhaust branch pipe, the 4th exhaust branch pipe, exhaust manifold, connecting tube, reinforcing bracket, give vent to anger flange and lambda sensor mounting nuts; The inlet end of first row gas branch pipe, second row gas branch pipe, the 3rd exhaust branch pipe, the 4th exhaust branch pipe is connected with inlet flange respectively, the outlet side of first row gas branch pipe, second row gas branch pipe, the 3rd exhaust branch pipe, the 4th exhaust branch pipe is connected with exhaust manifold respectively, connecting tube is connected with the outlet side of exhaust manifold, flange of giving vent to anger is connected with the outlet side of connecting tube, lambda sensor mounting nuts to be arranged on connecting tube and to be communicated with connecting tube, and reinforcing bracket is connected between inlet flange and connecting tube.
2. four cylinder engine stainless exhaust manifold according to claim 1, it is characterized in that: the stainless steel welding tube of described exhaust manifold to be cross section be D shape, comprise an arc shaped surface and a plane, plane has three circular holes, described second row gas branch pipe, the 3rd exhaust branch pipe and the 4th exhaust branch pipe to insert respectively in above-mentioned three circular holes and are welded to connect; The outlet side of described first row gas branch pipe is D shape, and the D shape outlet side of first row gas branch pipe and the inlet end of exhaust manifold are welded to connect; The inlet end of described connecting tube is D shape, and the D shape inlet end of connecting tube and the outlet side of exhaust manifold are welded to connect.
3. four cylinder engine stainless exhaust manifold according to claim 1, is characterized in that: described in give vent to anger two nuts flange is fixed with for gas exhaust manifold is connected with exhausting silencer system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310286702.6A CN104279042A (en) | 2013-07-09 | 2013-07-09 | Stainless steel exhaust manifold of quadruple cylinder engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310286702.6A CN104279042A (en) | 2013-07-09 | 2013-07-09 | Stainless steel exhaust manifold of quadruple cylinder engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104279042A true CN104279042A (en) | 2015-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310286702.6A Pending CN104279042A (en) | 2013-07-09 | 2013-07-09 | Stainless steel exhaust manifold of quadruple cylinder engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104279042A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019084091A1 (en) * | 2017-10-26 | 2019-05-02 | 500 Group, Inc. | Dual-angle exhaust manifold |
| US10760538B2 (en) | 2017-10-26 | 2020-09-01 | 500 Group, Inc. | Customizable engine air intake/exhaust systems |
| CN113339122A (en) * | 2021-06-28 | 2021-09-03 | 一汽解放汽车有限公司 | Exhaust manifold and power system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697155A (en) * | 1993-11-18 | 1997-12-16 | Mercedes-Benz Ag | Method of manufacturing a branched pipe by internal high-pressure forming |
| JPH108951A (en) * | 1996-06-28 | 1998-01-13 | Nissan Diesel Motor Co Ltd | Exhaust manifold for v-8 cylinder engine |
| US20050183414A1 (en) * | 2003-12-23 | 2005-08-25 | Wilfried Bien | Exhaust manifold |
| CN201826936U (en) * | 2010-10-21 | 2011-05-11 | 浙江吉利汽车研究院有限公司 | Exhaust manifold structure of automobile |
| DE102011106242A1 (en) * | 2011-06-27 | 2012-12-27 | Tenneco Gmbh | Modular manifold for motor vehicles |
| CN203394618U (en) * | 2013-07-09 | 2014-01-15 | 上海天纳克排气系统有限公司 | Stainless steel exhaust manifold of four-cylinder engine |
-
2013
- 2013-07-09 CN CN201310286702.6A patent/CN104279042A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697155A (en) * | 1993-11-18 | 1997-12-16 | Mercedes-Benz Ag | Method of manufacturing a branched pipe by internal high-pressure forming |
| JPH108951A (en) * | 1996-06-28 | 1998-01-13 | Nissan Diesel Motor Co Ltd | Exhaust manifold for v-8 cylinder engine |
| US20050183414A1 (en) * | 2003-12-23 | 2005-08-25 | Wilfried Bien | Exhaust manifold |
| CN201826936U (en) * | 2010-10-21 | 2011-05-11 | 浙江吉利汽车研究院有限公司 | Exhaust manifold structure of automobile |
| DE102011106242A1 (en) * | 2011-06-27 | 2012-12-27 | Tenneco Gmbh | Modular manifold for motor vehicles |
| CN203394618U (en) * | 2013-07-09 | 2014-01-15 | 上海天纳克排气系统有限公司 | Stainless steel exhaust manifold of four-cylinder engine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019084091A1 (en) * | 2017-10-26 | 2019-05-02 | 500 Group, Inc. | Dual-angle exhaust manifold |
| US10570813B2 (en) | 2017-10-26 | 2020-02-25 | 500 Group, Inc. | Turbocharger exhaust manifold with turbine bypass outlet |
| US10760538B2 (en) | 2017-10-26 | 2020-09-01 | 500 Group, Inc. | Customizable engine air intake/exhaust systems |
| US10858989B2 (en) | 2017-10-26 | 2020-12-08 | Auto Ip Llc | Dual-angle exhaust manifold |
| CN113339122A (en) * | 2021-06-28 | 2021-09-03 | 一汽解放汽车有限公司 | Exhaust manifold and power system |
| CN113339122B (en) * | 2021-06-28 | 2022-12-13 | 一汽解放汽车有限公司 | Exhaust manifold and power system |
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Application publication date: 20150114 |
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