CN209308850U - A kind of automobile engine intake and exhaust the cover and scheme for exhaust gas circulation system - Google Patents
A kind of automobile engine intake and exhaust the cover and scheme for exhaust gas circulation system Download PDFInfo
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- CN209308850U CN209308850U CN201821701478.7U CN201821701478U CN209308850U CN 209308850 U CN209308850 U CN 209308850U CN 201821701478 U CN201821701478 U CN 201821701478U CN 209308850 U CN209308850 U CN 209308850U
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Abstract
The utility model discloses a kind of automobile engine intake and exhaust the cover and scheme for exhaust gas circulation system, are related to automotive engine applications.The device includes ontology, divide oil cap plate, pressure regulating system, the ontology is equipped with exhaust gas inlet and waste gas outlet, and the exhaust steam passage of connection exhaust gas inlet and waste gas outlet is equipped in the ontology, the exhaust gas inlet with the exhaust manifold of engine for being connected, the waste gas outlet with the inlet manifold of engine for being connected, it is passed through the portion in exhaust manifold into inlet manifold by exhaust steam passage, described point of oil cap plate is connected with ontology, and cavity is formed between the ontology, the pressure regulating system position is in the cavity, the pressure regulating system includes sub-load check valve, the sub-load list is connected to the exhaust steam passage.Part EGR exhaust channel is set in intake and exhaust the cover, has effectively saved the space of enging cabin by automobile engine intake and exhaust the cover provided by the utility model.
Description
Technical field
The utility model relates to automotive engine applications, and in particular to a kind of automobile engine intake and exhaust the cover and exhaust gas follow
Loop system.
Background technique
With the aggravation of current atmosphere pollution, people increasingly pay attention to atmosphere pollution, start using various means come
Control atmosphere pollution.Wherein, vehicle exhaust is one of main arch-criminal of atmosphere pollution, using advanced engine technology, is reduced
The discharge of pernicious gas becomes the problem of each motor corporation gradually pays close attention to.Currently, EGR (Exhaust Gas
Recirculation, exhaust gas recycling) technology is to reduce a kind of effective means of motor vehicle emission and oil consumption, by by exhaust gas
It carries out recycling and is burnt again to reduce the pernicious gas content in tail gas, which has been obtained at present is widely applied.
Automobile can generate exhaust gas, the exhaust gas of generation can by EGR recirculating system in driving status after engine combustion
It is recycled with realizing, but EGR recirculating system typically takes up the more space of enging cabin, is unfavorable for enging cabin and obtains
The purpose of effective use space layout cannot be achieved in miniaturization；Secondly, structure is complicated for the pipe-line system of EGR recirculating system, make
It is higher at manufacturing cost, maintenance difficult.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of automobile engine intake and exhaust
Part EGR exhaust channel is set in intake and exhaust the cover, has effectively saved enging cabin by the cover and scheme for exhaust gas circulation system
Space.
To achieve the above objectives, the technical scheme adopted by the utility model is that:
Ontology, the ontology are equipped with exhaust gas inlet and waste gas outlet, and be equipped in the ontology be connected to the exhaust gas into
The exhaust steam passage of mouth and waste gas outlet, the exhaust gas inlet for being connected with the exhaust manifold of engine, use by the waste gas outlet
It is connected in the inlet manifold with engine, is passed through the portion in the exhaust manifold to described by the exhaust steam passage
In inlet manifold.
Based on the above technical solution, the intake and exhaust the cover further includes a point oil cap plate, described that oil cap plate is divided to be located at
Above the ontology, and cavity is formed with the ontology.
Based on the above technical solution, the intake and exhaust the cover further includes pressure regulating system, and the pressure is adjusted
System includes sub-load check valve, and the sub-load check valve is for connecting crankcase to adjust the pressure of the crankcase
Power.
Based on the above technical solution, the sub-load check valve is communicated with exhaust steam passage.
Based on the above technical solution, ventilation cover board is equipped on the exhaust gas inlet and waste gas outlet.
Based on the above technical solution, the ontology and divide between oil cap plate using infrared preheating and vibration friction
Mode is welded.
Based on the above technical solution, the exhaust steam passage uses refractory metal material.
Based on the above technical solution, the exhaust steam passage is in Z-shaped.
The utility model also provides a kind of vehicle engine exhaust gas circulatory system, comprising:
Exhaust manifold comprising along the exhaust entrance and loop exit of exhaust manifold length direction setting；
Inlet manifold comprising gas entry outlet and circulation import along inlet manifold length direction setting；
Intake and exhaust the cover comprising ontology, the ontology is equipped with exhaust gas inlet and waste gas outlet, and sets in the ontology
There is the exhaust steam passage for being connected to the exhaust gas inlet and waste gas outlet, the exhaust gas inlet is connected with the loop exit, described useless
Gas outlet is connected with the circulation import, so that portion is passed through the exhaust steam passage and is passed through the air inlet
In manifold；
Head combustion chamber, one side are connected to the exhaust entrance, and the other side is connected to the gas entry outlet.
Based on the above technical solution, the intake and exhaust the cover is equipped with sub-load check valve, and the part is negative
Lotus check valve is connected to exhaust steam passage.
Compared with the prior art, the advantages of the utility model are:
The utility model is by providing a kind of automobile engine intake and exhaust the cover and scheme for exhaust gas circulation system, in intake and exhaust the cover
On be equipped with exhaust steam passage, compared to conventional exhaust systems, after the segment section in EGR exhaust channel is integrated in intake and exhaust the cover,
The space of enging cabin can be saved, significantly conducive to the miniaturization of enging cabin；Secondly, by exhaust steam passage and being located on intake and exhaust
Sub-load check valve connection in the cover, when intake manifold pressure is lower than crankcase pressure, sub-load check valve is opened,
The gas that gas in intake and exhaust the cover is directly entered after exhaust steam passage and in EGR enters inlet manifold together, compared to tradition
Exhaust system simplifies the components such as in addition pipeline and interface that sub-load check valve and inlet manifold are connect, simplifies design, section
About cost.
Detailed description of the invention
Fig. 1 is the exhaust steam passage of the automobile engine intake and exhaust the cover and scheme for exhaust gas circulation system in the utility model embodiment
The sectional view at place；
Fig. 2 is the top view of the automobile engine intake and exhaust the cover and scheme for exhaust gas circulation system in the utility model embodiment；
Fig. 3 is the waste gas circulation of the automobile engine intake and exhaust the cover and scheme for exhaust gas circulation system in the utility model embodiment
System structure diagram.
In figure: 1- ontology, 10- exhaust gas inlet, 11- waste gas outlet, 12- exhaust steam passage, 13- ventilation cover board, 2- are vented discrimination
Pipe, 20- exhaust entrance, 21- loop exit, 3- inlet manifold, 30- gas entry outlet, 31- recycle import, and 4- divides oil cap plate, 50-
Sub-load check valve, 6- head combustion chamber, 7- intake and exhaust the cover.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
Referring to shown in Fig. 1 to Fig. 2, the utility model embodiment provides a kind of automobile engine intake and exhaust the cover, engine
Intake and exhaust the cover 7 includes ontology 1, divides oil cap plate 4 and pressure regulating system, wherein divides oil cap plate 4 to be connected with ontology 1, is located at this
The top of body 1, and the cavity with certain receiving volume is formed between ontology 1.Pressure regulating system be located at divide oil cap plate 4 with
In the cavity that ontology 1 is formed, the effect of pressure regulating system mainly adjusts each portion being located in engine breathing the cover 7
The pressure of part, wherein pressure regulating system includes sub-load check valve 50, and it is bent that sub-load check valve 50 is mainly used for connection
Axle box, to adjust the pressure balance of crankcase.Ontology 1 and dividing in the cavity formed between oil cap plate 4 is additionally provided with a point oily oil return system
System, a point oily oil return system are located at the lower section for dividing oil cap plate 4, are mainly used for separating oil from high pressure gas.
It is shown in Figure 1, specifically, ontology 1 is equipped with exhaust gas inlet 10 and waste gas outlet 11, the company of being additionally provided in ontology 1
The exhaust steam passage 12 of logical exhaust gas inlet 10 and waste gas outlet 11, exhaust gas inlet 10 and waste gas outlet 11 are located at the one of ontology 1
It side and is flushed with side, exhaust gas inlet 10 and waste gas outlet 11 are equipped with a ventilation cover board 13, and exhaust gas inlet 10 passes through wherein one
Ventilation cover board 13, for connecting inlet manifold 3, is made for connecting exhaust manifold 2, waste gas outlet 11 by another ventilation cover board 13
It is connected between exhaust manifold 2 and inlet manifold 3, is passed through the portion in exhaust manifold 2 to air inlet by exhaust steam passage 12
In manifold 3, waste gas circulation pipeline is constituted.In addition, for entire EGR exhaust access, positioned at the ontology 1 of intake and exhaust the cover 7
Interior exhaust steam passage 12 is pertaining only to a part of entire EGR exhaust access, because of the limited width of ontology 1, EGR exhaust access
Other parts are located between exhaust steam passage 12 and exhaust manifold 2 and inlet manifold 3.Compared to conventional exhaust systems, EGR is useless
After the segment section in gas channel is integrated in intake and exhaust the cover 7, the space of enging cabin can be saved, significantly conducive to enging cabin
Miniaturization.
Shown in Figure 1, sub-load check valve 50 is connected to exhaust steam passage 12, and sub-load check valve 50 connects here
Crankcase is to adjust the pressure of the crankcase, since sub-load check valve 50 is connected to exhaust steam passage 12, when inlet manifold 3
When interior pressure is lower than the pressure of crankcase, sub-load check valve 50 is opened, and the gas in 7 crankcase of intake and exhaust the cover will
Pass through exhaust steam passage 12 together with the gas in exhaust steam passage 12, into inlet manifold 3, realizes decompression；And when in inlet manifold 3
Pressure be higher than crankcase pressure when, sub-load check valve 50 is in close state.Compared in traditional enging cabin
Portion's structure after sub-load check valve 50 is directly connected to exhaust steam passage 12, simplifies sub-load check valve 50 and air inlet discrimination
The components such as in addition pipeline and interface that pipe 3 connects, simplify design, and save the cost also saves the space of enging cabin.
Further, exhaust steam passage 12 is distributed in ontology 1 in Z-shaped, due to generally containing by exhaust steam passage 12
There are many high temperature such as pernicious gas, the oil molecule steam of ingredient to have corrosive substance, therefore exhaust steam passage 12 uses resistance to height
Warm metal material is made, and the coating with Corrosion Protection is coated on the inner wall of exhaust steam passage 12, to protect exhaust gas logical
Road 12 is not corroded.
Further, the ontology 1 of intake and exhaust the cover 7 and divide between oil cap plate 4 using infrared preheating and vibration friction side
Formula welding, is integrally formed molding structure.
The utility model additionally provides a kind of vehicle engine exhaust gas circulatory system, as shown in figure 3, the system includes: row
Gas manifold 2, inlet manifold 3, head combustion chamber 6 and intake and exhaust the cover 7.Wherein, exhaust manifold 2 includes long along exhaust manifold 2
The exhaust entrance 20 and loop exit 21 of direction setting are spent, inlet manifold 3 includes the air inlet along the setting of 3 length direction of inlet manifold
Outlet 30 and one circulation import 31, specifically, exhaust entrance 20 and gas entry outlet 30 be it is multiple, loop exit 21 and recycle into
Mouth 31 is one, and the side of head combustion chamber 6 is connected to multiple exhaust entrances 20, the other side and multiple gas entry outlets 30
It is connected to, constitutes burning and gas-exhausting circuit.
Specifically, intake and exhaust the cover 7 is set to the top of head combustion chamber 6, intake and exhaust the cover 7 includes ontology 1, ontology 1
It is equipped with exhaust gas inlet 10 and waste gas outlet 11, the exhaust gas that connection exhaust gas inlet 10 and waste gas outlet 11 are additionally provided in ontology 1 is logical
Road 12, exhaust gas inlet 10 and waste gas outlet 11 are located at the side of ontology 1 and flush with side, and exhaust gas inlet 10 and exhaust gas go out
Mouth 11 is equipped with a ventilation cover board 13, and exhaust gas inlet 10 is used to connect exhaust manifold 2 by wherein one ventilation cover board 13, and exhaust gas goes out
Mouth 11, for connecting inlet manifold 3, is made to be connected between exhaust manifold 2 and inlet manifold 3, makes to be vented by another ventilation cover board 13
Portion in manifold 2 is passed through by exhaust steam passage 12 into inlet manifold 3, constitutes waste gas circulation pipeline.Inlet manifold 3 is remote
One end from head combustion chamber 6 is passed through ozone, provides burning condition, cylinder head burning into head combustion chamber 6
The exhaust gas that room 6 generates when right is expelled in atmosphere by exhaust manifold 2.When the exhaust gas for generation of burning in head combustion chamber 6
After entering exhaust manifold 2, a part of exhaust gas is entered in exhaust steam passage 12 by loop exit 21, enter back into exhaust gas
In the inlet manifold 3 that channel 12 connects, burn cycle again is realized, to reduce the discharge of pernicious gas while full combustion.
Compared to conventional exhaust systems, after the segment section in EGR exhaust channel is integrated in intake and exhaust the cover 7, it can significantly save and start
The space of cabin, conducive to the miniaturization of enging cabin.
Further, intake and exhaust the cover 7 is equipped with sub-load check valve 50, sub-load check valve 50 and exhaust steam passage
12 connections.Here sub-load check valve 50 connects crankcase to adjust the pressure of the crankcase, since sub-load is unidirectional
Valve 50 is connected to exhaust steam passage 12, and when the pressure in inlet manifold 3 is lower than the pressure of crankcase, sub-load check valve 50 is opened
Open, the gas in 7 crankcase of intake and exhaust the cover will pass through together exhaust steam passage 12 with the gas in exhaust steam passage 12, into
Gas manifold 3 realizes decompression；And when the pressure in inlet manifold 3 is higher than the pressure of crankcase, sub-load check valve 50 is in
Closed state.Compared to traditional system, after sub-load check valve 50 is directly connected to exhaust steam passage 12, it is negative to simplify part
The components such as in addition pipeline and interface that lotus check valve 50 and inlet manifold 3 are connect, simplify design, and save the cost also saves hair
The space in motivation cabin.
The utility model is not only limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products out, however, make any variation in its shape or structure, it is all to have and the utility model phase
Same or similar technical solution, within its protection scope.
Claims (10)
1. a kind of automobile engine intake and exhaust the cover, characterized in that it comprises: ontology (1), the ontology (1) are equipped with useless
Gas import (10) and waste gas outlet (11), and be equipped in the ontology (1) and be connected to the exhaust gas inlet (10) and waste gas outlet
(11) exhaust steam passage (12), the exhaust gas inlet (10) with the exhaust manifold (2) of engine for being connected, the waste gas outlet
(11) for being connected with the inlet manifold (3) of engine, keep the portion in the exhaust manifold (2) logical by the exhaust gas
Road (12) is passed through into the inlet manifold (3).
2. a kind of automobile engine intake and exhaust the cover as described in claim 1, it is characterised in that: the intake and exhaust the cover (7)
It further include a point oil cap plate (4), it is described that oil cap plate (4) is divided to be located above the ontology (1), and cavity is formed with the ontology (1).
3. a kind of automobile engine intake and exhaust the cover as claimed in claim 2, it is characterised in that: the intake and exhaust the cover (7)
It further include pressure regulating system, in the cavity, the pressure regulating system includes that part is negative for the pressure regulating system position
Lotus check valve (50), the sub-load check valve (50) is for connecting crankcase to adjust the pressure of the crankcase.
4. a kind of automobile engine intake and exhaust the cover as claimed in claim 3, it is characterised in that: the sub-load check valve
(50) it is communicated with exhaust steam passage (12).
5. a kind of automobile engine intake and exhaust the cover as described in claim 1, it is characterised in that: the exhaust gas inlet (10) and
Ventilation cover board (13) is equipped on waste gas outlet (11).
6. a kind of automobile engine intake and exhaust the cover as claimed in claim 2, it is characterised in that: the ontology (1) and a point oil
It is welded by the way of infrared preheating and vibration friction between cover board (4).
7. a kind of automobile engine intake and exhaust the cover as claimed in claim 4, it is characterised in that: the exhaust steam passage (12) is adopted
With refractory metal material.
8. a kind of automobile engine intake and exhaust the cover as claimed in claim 7, it is characterised in that: the exhaust steam passage (12) is in
Z-shaped.
9. a kind of vehicle engine exhaust gas circulatory system, characterized in that it comprises:
Exhaust manifold (2) comprising along the exhaust entrance (20) and loop exit of the setting of the exhaust manifold (2) length direction
(21)；
Inlet manifold (3) comprising gas entry outlet (30) and circulation import along the setting of the inlet manifold (3) length direction
(31)；
Intake and exhaust the cover (7) comprising ontology (1), the ontology (1) are equipped with exhaust gas inlet (10) and waste gas outlet (11),
And the exhaust steam passage (12) for being connected to the exhaust gas inlet (10) and waste gas outlet (11), the exhaust gas are equipped in the ontology (1)
Import (10) is connected with the loop exit (21), and the waste gas outlet (11) is connected with the circulation import (31), makes described
Portion is passed through in the inlet manifold (3) by the exhaust steam passage (12) in exhaust manifold (2)；
Head combustion chamber (6), one side are connected to the exhaust entrance (20), and the other side and the gas entry outlet (30) are even
It is logical.
10. a kind of vehicle engine exhaust gas circulatory system as claimed in claim 9, it is characterised in that: the intake and exhaust the cover
(7) sub-load check valve (50) are equipped with, the sub-load check valve (50) is connected to exhaust steam passage (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821701478.7U CN209308850U (en) | 2018-10-19 | 2018-10-19 | A kind of automobile engine intake and exhaust the cover and scheme for exhaust gas circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821701478.7U CN209308850U (en) | 2018-10-19 | 2018-10-19 | A kind of automobile engine intake and exhaust the cover and scheme for exhaust gas circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209308850U true CN209308850U (en) | 2019-08-27 |
Family
ID=67671177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821701478.7U Active CN209308850U (en) | 2018-10-19 | 2018-10-19 | A kind of automobile engine intake and exhaust the cover and scheme for exhaust gas circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209308850U (en) |
-
2018
- 2018-10-19 CN CN201821701478.7U patent/CN209308850U/en active Active
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