CN208595020U - A kind of inlet manifold of integrated hyperbolic through-hole - Google Patents
A kind of inlet manifold of integrated hyperbolic through-hole Download PDFInfo
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- CN208595020U CN208595020U CN201820871536.4U CN201820871536U CN208595020U CN 208595020 U CN208595020 U CN 208595020U CN 201820871536 U CN201820871536 U CN 201820871536U CN 208595020 U CN208595020 U CN 208595020U
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- inlet
- exhaust gas
- inlet manifold
- pressure stabilizing
- exhaust
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Abstract
The utility model belongs to the technical field of motor intake manifold, in particular to a kind of inlet manifold of integrated hyperbolic through-hole, including inlet manifold, pressure stabilizing cavity and air intake branch, the inlet manifold is connected with pressure stabilizing cavity, pressure stabilizing cavity is connected with the air inlet of air intake branch, the inlet manifold further includes exhaust gas lid, the exhaust gas lid is arranged on the pressure stabilizing chamber enclosure of air intake branch opposite side, the exhaust gas lid and pressure stabilizing chamber enclosure surround an exhaust gas chamber, the exhaust gas chamber is connected with exhaust inlet pipe, there are two waste gas inlets for the intracavitary setting of exhaust gas, the waste gas inlet is connected with pressure stabilizing cavity.Diplopore inlet manifold provided by the utility model, for designing the engine for having gas recirculation system, by integrating hyperbolic through-hole in inlet manifold, change exhaust gas recirculation passage, the uniformity for improving each cylinder gas inlet amount when engine operation, ensure that the efficient operation of engine.
Description
Technical field
The utility model belongs to the technical field of motor intake manifold, in particular to a kind of air inlet of integrated hyperbolic through-hole
Manifold.
Background technique
Inlet manifold is that fuel mixture is sent into a component of engine cylinder cover, plays the work of guidance air flow direction
With in some engines, design has gas recirculation system, and the portion for engine to be discharged is transmitted back to air inlet discrimination
Pipe, and cylinder is again introduced into together with incoming mixture.Due to containing the polyatomic gas such as a large amount of CO2 in exhaust gas, and CO2 etc.
Gas cannot burn and but absorb a large amount of heat since its specific heat capacity is high, reduce the maximum combustion temperature of gaseous mixture in cylinder,
To reduce the production quantity of nitrogen oxides.
Gas recirculation system in existing design introduces exhaust gas generally at inlet manifold, subsequently into pressure stabilizing cavity, surely
Each air intake branch is connected in turn from the near to the distant on pressure chamber.Due to being influenced by tail effect, far from inlet manifold into
Gas branch pipe air inflow is more, and the air intake branch air inflow close to inlet manifold is few.This structure be easy to cause each air intake branch into
Tolerance is uneven, deteriorates so as to cause burning, and engine luggine noise increases, and oil consumption and discharge increase.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of inlet manifold of integrated hyperbolic through-hole, by into
Hyperbolic through-hole is integrated in gas manifold, changes exhaust gas recirculation passage, and each cylinder gas inlet amount is uniform when improving engine operation
Property, guarantee the efficient operation of engine.
In order to solve the above technical problems, the purpose of this utility model is achieved by following technical proposals:
A kind of inlet manifold of integrated hyperbolic through-hole, the inlet manifold include inlet manifold, pressure stabilizing cavity and air intake branch,
The inlet manifold is connected with pressure stabilizing cavity, and pressure stabilizing cavity is connected with the air inlet of air intake branch, and the inlet manifold further includes exhaust gas
Lid, the exhaust gas lid are arranged on the pressure stabilizing chamber enclosure of air intake branch opposite side, and the exhaust gas lid is surrounded with pressure stabilizing chamber enclosure
One exhaust gas chamber, the exhaust gas chamber are connected with exhaust inlet pipe, the intracavitary setting of exhaust gas there are two waste gas inlet, the exhaust gas into
Port is connected with pressure stabilizing cavity.
Above-mentioned exhaust gas lid is the arcuate structure of protrusion, and the radian of radian and pressure stabilizing chamber enclosure is almost the same, the exhaust gas
The position of lid setting starts from the connector of exhaust inlet pipe, finally the waste gas inlet in outside.
Above-mentioned exhaust inlet pipe is located at the side of inlet manifold lateral position, the opening direction and air inlet branch of exhaust inlet pipe
The opening direction of pipe is consistent.
Connecting bar is provided between above-mentioned exhaust inlet pipe and inlet manifold, the surrounding of above-mentioned exhaust gas lid is provided with reinforcing
Rib, the junction of the connecting bar setting and air inlet pipe and inlet manifold, the reinforcing rib and pressure stabilizing cavity are connected.
Above-mentioned air intake branch is three, and the inlet manifold is used for three-cylinder engine, and the waste gas inlet is respectively set
Corresponding position between adjacent air intake branch.
O-ring seal is arranged on above-mentioned exhaust inlet pipe.
Compared to the prior art the utility model, has the following beneficial effects:
1, the utility model is by changing exhaust gas recirculation passage, improving by integrating hyperbolic through-hole in inlet manifold
The uniformity of engine each cylinder gas inlet amount when running, guarantees the efficient operation of engine.
2, the exhaust inlet pipe of the utility model and exhaust gas chamber are directly anchored to the surface of inlet manifold, without additionally accounting for
It according to the space of engine, and is connected firmly, structural strength is high.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model;
Fig. 2 is the bottom view of the utility model;
Fig. 3 is the main view of the utility model;
Fig. 4 is the internal structure chart of the utility model exhaust gas chamber;
Appended drawing reference: 1, inlet manifold;2, pressure stabilizing cavity;3, air intake branch;4, exhaust gas lid;5, exhaust gas chamber;6, gas inlet
Pipe;7, waste gas inlet;8, connecting bar;9, strengthen rib;10, O-ring seal.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing, referring to Fig. 1-4:
A kind of inlet manifold of integrated hyperbolic through-hole, the inlet manifold include inlet manifold 1, pressure stabilizing cavity 2 and air inlet branch
Pipe 3, the inlet manifold 1 are connected with pressure stabilizing cavity 2, and pressure stabilizing cavity 2 is connected with the air inlet of air intake branch 3, and the inlet manifold is also
Including exhaust gas lid 4, the exhaust gas lid 4 is arranged on 2 shell of pressure stabilizing cavity of 3 opposite side of air intake branch, the exhaust gas lid 4 with it is steady
Pressure 2 shell of chamber surrounds an exhaust gas chamber 5, and the exhaust gas chamber 5 is connected with exhaust inlet pipe 6, and there are two exhaust gas for setting in exhaust gas chamber 5
Air inlet 7, the waste gas inlet 7 are connected with pressure stabilizing cavity 2.
When engine is run, exhaust gas enters exhaust gas chamber 5 by exhaust inlet pipe 6, and into after exhaust gas chamber 5, exhaust gas follows wherein
Circulation turns, and later, the exhaust gas in exhaust gas chamber 5 enters pressure stabilizing cavity 2 by two waste gas inlets 7, since waste gas inlet 7 is direct
The surface of air intake branch 3 is set, therefore only need to just be directly entered air intake branch 3 by very short stretch diameter, and by
In there are two waste gas inlets 7, therefore the path distance of exhaust gas to air intake branch 3 is essentially identical, to improve engine fortune
The uniformity of each cylinder gas inlet amount, guarantees the efficient operation of engine when row.
Above-mentioned exhaust gas lid 4 is the arcuate structure of protrusion, and the radian of radian and 2 shell of pressure stabilizing cavity is almost the same, described useless
The position that gas lid 4 is arranged starts from the connector of exhaust inlet pipe 6, finally the waste gas inlet 7 in outside.The arcuate structure of protrusion is protected
Having demonstrate,proved exhaust gas has enough transfers, also just additional without occupying engine due to being directly anchored on the shell of pressure stabilizing cavity 2
Space.
Above-mentioned exhaust inlet pipe 6 is located at the side of inlet manifold lateral position, the opening direction of exhaust inlet pipe 6 and air inlet
The opening direction of branch pipe 3 is consistent.The exhaust inlet pipe 6 and inlet manifold are connected.
For reinforcement structure intensity, connecting bar 8 is provided between above-mentioned exhaust inlet pipe 6 and inlet manifold, it is above-mentioned useless
The surrounding of gas lid 4, which is provided with, strengthens rib 9, and the connecting bar 8 is set to the junction of exhaust inlet pipe 6 and inlet manifold,
The reinforcing rib 9 and pressure stabilizing cavity 2 are connected.
Above-mentioned air intake branch 3 is three, and the inlet manifold is used for three-cylinder engine, and the waste gas inlet 7 is set respectively
Set the corresponding position between adjacent air intake branch 3.By this layout, further such that the exhaust gas of each air intake branch 3 into
Tolerance is identical.
In order to reinforce leakproofness, O-ring seal 10 is arranged on above-mentioned exhaust inlet pipe 6.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (6)
1. a kind of inlet manifold of integrated hyperbolic through-hole, the inlet manifold includes inlet manifold (1), pressure stabilizing cavity (2) and air inlet
Branch pipe (3), the inlet manifold (1) are connected with pressure stabilizing cavity (2), and pressure stabilizing cavity (2) is connected with the air inlet of air intake branch (3),
It is characterized in that, the inlet manifold further includes exhaust gas lid (4), and the exhaust gas lid (4) is arranged in air intake branch (3) opposite side
On pressure stabilizing cavity (2) shell, the exhaust gas lid (4) and pressure stabilizing cavity (2) shell surround an exhaust gas chamber (5), the exhaust gas chamber (5) with
Exhaust inlet pipe (6) is connected, and there are two waste gas inlet (7), the waste gas inlet (7) and pressure stabilizings for setting in exhaust gas chamber (5)
Chamber (2) is connected.
2. the inlet manifold of integrated hyperbolic through-hole according to claim 1, which is characterized in that the exhaust gas lid (4) is convex
The arcuate structure risen.
3. the inlet manifold of integrated hyperbolic through-hole according to claim 1, which is characterized in that the exhaust inlet pipe (6)
Positioned at the side of inlet manifold lateral position, the opening direction of exhaust inlet pipe (6) and the opening direction one of air intake branch (3)
It causes.
4. the inlet manifold of integrated hyperbolic through-hole according to claim 1, which is characterized in that the exhaust inlet pipe (6)
It is provided between inlet manifold connecting bar (8), the surrounding of the exhaust gas lid (4), which is provided with, strengthens rib (9), the reinforcing
Rib (9) is linked together with pressure stabilizing cavity.
5. the inlet manifold of integrated hyperbolic through-hole according to claim 1, which is characterized in that the air intake branch (3) is
Three, two waste gas inlets (7) are separately positioned on the corresponding position between adjacent air intake branch (3).
6. the inlet manifold of integrated hyperbolic through-hole according to claim 1, which is characterized in that the exhaust inlet pipe (6)
On be arranged with O-ring seal (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820871536.4U CN208595020U (en) | 2018-06-06 | 2018-06-06 | A kind of inlet manifold of integrated hyperbolic through-hole |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820871536.4U CN208595020U (en) | 2018-06-06 | 2018-06-06 | A kind of inlet manifold of integrated hyperbolic through-hole |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208595020U true CN208595020U (en) | 2019-03-12 |
Family
ID=65600972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820871536.4U Active CN208595020U (en) | 2018-06-06 | 2018-06-06 | A kind of inlet manifold of integrated hyperbolic through-hole |
Country Status (1)
Country | Link |
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CN (1) | CN208595020U (en) |
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2018
- 2018-06-06 CN CN201820871536.4U patent/CN208595020U/en active Active
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Denomination of utility model: An integrated hyperbolic through hole intake manifold Effective date of registration: 20230628 Granted publication date: 20190312 Pledgee: Bank of China Limited by Share Ltd. Jiaojiang branch Taizhou City Branch Pledgor: ZHEJIANG BOYI TECHNOLOGY Co.,Ltd. Registration number: Y2023330001287 |