CN215444261U - Three-way valve for engine system and vehicle - Google Patents
Three-way valve for engine system and vehicle Download PDFInfo
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- CN215444261U CN215444261U CN202121939813.9U CN202121939813U CN215444261U CN 215444261 U CN215444261 U CN 215444261U CN 202121939813 U CN202121939813 U CN 202121939813U CN 215444261 U CN215444261 U CN 215444261U
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- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
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Abstract
The utility model provides a three-way valve for an engine system and a vehicle, and relates to the technical field of vehicles. The three-way valve is used for an engine system, the engine system comprises a first air inlet pipeline, a second air inlet pipeline and an engine air inlet pipeline, and the three-way valve is used for mixing air in the first air inlet pipeline and EGR gas in the second air inlet pipeline and then leading the mixture into the engine air inlet pipeline. The three-way valve comprises a body, wherein the body comprises a first air inlet, a second air inlet and an air outlet. The first air inlet is connected and communicated with the first air inlet pipeline, and the second air inlet is communicated with the second air inlet pipeline and the first air inlet. The air outlet is communicated with the first air inlet and the second air inlet, and the air outlet is connected and communicated with an air inlet pipeline of the engine. The three-way valve is simple in structure, easy to machine, high in realizability, applicable to all systems needing to mix air and EGR gas, and high in universality.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a three-way valve for an engine system and a vehicle.
Background
Due to the application of low-pressure EGR (exhaust gas recirculation) technology on a gasoline engine with a supercharging system, fresh air and tail gas brought by the EGR (exhaust gas recirculation) system enter an engine and need to be mixed by a special device and then input into a cylinder. The prior art requires many additional parts at the supercharger intake to accomplish this function, resulting in a more complex intake system for the engine compared to an intake system without low pressure EGR (exhaust gas recirculation). In addition, finding the supporting points of the various parts in this area becomes very difficult, which presents a great difficulty in engine part placement.
SUMMERY OF THE UTILITY MODEL
An object of the first aspect of the present invention is to provide a three-way valve for an engine system, which solves the problem of the prior art that the air and EGR gas mixing requires a special device, resulting in a complicated structure of the intake system.
Another object of the first aspect of the present invention is to solve the problem of the prior art that the structure of the intake gas is complex, resulting in many and complicated supporting points for the parts.
It is an object of a second aspect of the utility model to provide a vehicle incorporating the three-way valve for an engine system.
In particular, the present invention provides a three-way valve for an engine system comprising a first intake conduit for communicating air, a second intake conduit for communicating EGR gas, and an engine intake conduit, wherein the three-way valve is adapted to mix the air in the first intake conduit and the EGR gas in the second intake conduit before passing into the engine intake conduit, the three-way valve comprising a body comprising:
the first air inlet is connected and communicated with an air outlet port of the first air inlet pipeline, so that the air in the first air inlet pipeline enters the body through the first air inlet;
a second air inlet connected and communicated with an air outlet port of the second air inlet pipeline so that the EGR gas in the second air inlet pipeline enters the body from the second air inlet; the second intake port communicates with the first intake port so that the air flowing into the three-way valve and the EGR gas are mixed at the body to form a mixed gas; and
and the gas outlet is communicated with the first gas inlet and the second gas inlet and is connected and communicated with a gas inlet port of the engine gas inlet pipeline, so that the mixed gas flows out of the gas outlet into the engine gas inlet pipeline.
Optionally, the first air inlet, the second air inlet and the air outlet are all circular.
Optionally, the central axis of the first air inlet and the central axis of the second air inlet form a first preset angle, and the first preset angle is 80-90 degrees.
Optionally, the central axis of the first air inlet and the central axis of the air outlet form a second preset angle, and the second preset angle is 0-20 degrees.
Optionally, the gas supply system further comprises a pressure regulating valve connection port provided at an outer periphery of the first gas inlet, the pressure regulating valve connection port being for overlapping with a pressure regulating valve.
Optionally, the method further comprises:
the pressure sensor connecting port is arranged at the second air inlet and used for arranging a pressure sensor;
an EGR valve connection port provided at an outer periphery of the second intake port for connection with an EGR valve provided in the second intake pipe.
Optionally, the engine further comprises a supercharger connecting port arranged at the air outlet, and the supercharger connecting port is used for being connected with a supercharger at the engine air inlet pipeline.
Optionally, the three-way valve further comprises a bracket arranged at the outer side of the body, and a plurality of threaded holes and through holes are arranged at the bracket, wherein the threaded holes are used for fasteners to pass through so as to arrange the three-way valve at an engine cylinder cover; the through hole is used for providing a supporting point for the wiring harness and/or the water pipe.
Optionally, the three-way valve is of an integrally formed structure, and the three-way valve is made of metal.
In particular, the utility model also provides a vehicle comprising an engine system comprising a first inlet line for the circulation of air, a second inlet line for the circulation of EGR gas, an engine inlet line and the above-mentioned three-way valve.
The three-way valve comprises a body, wherein the body comprises a first air inlet, a second air inlet and an air outlet, air flows into the body through the first air inlet, EGR gas flows into the body through the second air inlet, and the air and the EGR gas are mixed in the body to form mixed gas and then flow out through the air outlet. The three-way valve is simple in structure, easy to machine, high in realizability, applicable to all systems needing to mix air and EGR gas, and high in universality.
The three-way valve can also comprise a mounting structure and a bracket arranged at the outer side of the body, and the bracket is provided with a plurality of threaded holes and through holes, so that a plurality of reliable supporting points can be provided for surrounding parts, and the problems of gas mixing and part arrangement are effectively solved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic block diagram of an engine system according to one embodiment of the present disclosure;
fig. 2 is a schematic structural view of a three-way valve according to one embodiment of the present invention.
Detailed Description
FIG. 1 is a schematic block diagram of an engine system according to one embodiment of the utility model. Specifically, the present embodiment provides a three-way valve 200 for an engine system 100, specifically, the engine system 100 may include a first intake conduit 110 for circulating air, a second intake conduit 120 for circulating EGR gas, and an engine intake conduit 130, wherein the three-way valve 200 is configured to mix air in the first intake conduit 110 and EGR gas in the second intake conduit 120 and then introduce the mixture into the engine intake conduit 130. A pressure regulator valve 111 may also be included in the first intake conduit 110 to regulate the pressure of the gas stream. An EGR valve 121 may also be included in the second intake line 120 for adjusting the flow rate of EGR gas. A supercharger 131 may also be included in the engine intake conduit 130.
Fig. 2 is a schematic structural view of a three-way valve according to one embodiment of the present invention. As a specific embodiment of the present invention, as shown in fig. 2, the three-way valve 200 of the present embodiment may include a body 210, and the body 210 may include a first inlet 211, a second inlet 212, and an outlet 213. The first air inlet 211 is connected and communicated with the air outlet port of the first air inlet pipeline 110, so that the air in the first air inlet pipeline 110 enters the body 210 through the first air inlet 211. The second intake port 212 is connected to and communicates with the outlet port of the second intake pipe 120, so that EGR gas in the second intake pipe 120 enters the body 210 through the second intake port 212. The second intake port 212 communicates with the first intake port 211 so that the air flowing into the three-way valve 200 and the EGR gas are mixed at the body 210 to form a mixed gas. The outlet port 213 communicates with both the first inlet port 211 and the second inlet port 212, and the outlet port 213 is connected to and communicates with an inlet port of the engine inlet line 130, so that the mixed gas flows out of the outlet port 213 into the engine inlet line 130.
The three-way valve 200 of the present embodiment includes a body 210, the body 210 includes a first inlet 211, a second inlet 212, and an outlet 213, air flows into the body 210 through the first inlet 211, EGR gas flows into the body 210 through the second inlet 212, and the air and the EGR gas are mixed in the body 210 to form a mixed gas and then flow out through the outlet 213. The three-way valve 200 is simple in structure, easy to machine, high in realizability, applicable to all systems needing to mix air and EGR gas, and high in universality.
As a specific example of the present invention, the first inlet 211, the second inlet 212, and the outlet 213 are all circular.
Specifically, an included angle between a central axis of the first air inlet 211 and a central axis of the second air inlet 212 is a first preset angle α, and the first preset angle α may be 80 ° to 90 °. For example, the first preset angle α may be 80 °, 85 °, or 90 °.
An included angle between the central axis of the first air inlet 211 and the central axis of the air outlet 213 is a second preset angle β, and the second preset angle β may be 0 ° to 20 °. For example, β may be 0 °, 10 °, 15 °, or 20 °.
In the present embodiment, the first inlet 211, the second inlet 212 and the outlet 213 are configured in a circular structure, which can be better matched with other peripheral pipelines, such as the first inlet pipeline 110, the second inlet pipeline 120 or the engine inlet pipeline 130.
The included angle between the central axis of the first inlet port 211 and the central axis of the second inlet port 212 and the included angle between the central axis of the first inlet port 211 and the central axis of the outlet port 213 are designed to have a certain angle, and the included angle is designed according to actual needs, the actual installation position of the three-way valve 200 and the positions of other surrounding structures, so that arrangement of other parts is facilitated.
As a specific example of the present invention, the three-way valve 200 of the present embodiment may further include a pressure regulating valve connection port 220 provided at an outer circumference of the first gas inlet 211, the pressure regulating valve connection port 220 for overlapping with the pressure regulating valve 111. Specifically, the pressure regulating valve connection port 220 is a protruding structure formed by extending the outer periphery of the first gas inlet 211 outward, and the protruding structure further includes a plurality of mounting holes 221, and the pressure regulating valve 111 is mounted through the mounting holes 221.
As a specific example of the present invention, the three-way valve 200 of the present embodiment may further include a pressure sensor connection port 230 and an EGR valve connection port 240. Wherein an EGR valve connection port 240 is provided at the outer periphery of the second intake port 212 for connection with the EGR valve 121 provided in the second intake pipe 120. Specifically, the EGR valve connection port 240 is provided in a structure corresponding to the structure and size of the second intake port 212, and is connected to the EGR valve 121.
Further, a pressure sensor connection port 230 is provided at the second air inlet 212 for providing a pressure sensor. The pressure sensor connection port 230 penetrates the main body 210, and the pressure sensor can be inserted into the main body 210 directly from the connection port of the pressure sensor to detect the pressure of the gas inside the main body 210.
As a specific embodiment of the present invention, the three-way valve 200 of the present embodiment may further include a supercharger connection port 250 disposed at the air outlet 213, and the supercharger connection port 250 is used for connecting with the supercharger 131 at the engine intake line 130. The supercharger connection port 250 is designed to be compatible with the configurations of the air outlet 213 and the air inlet of the supercharger 131.
As a specific embodiment of the present invention, the three-way valve 200 of the present embodiment may further include a bracket 260 provided at an outer side of the body 210, the bracket 260 being provided with a plurality of screw holes 261 and through holes 262, wherein the screw holes 261 are used for fasteners to pass through to provide the three-way valve 200 at an engine head; the through-holes 262 are used to provide support points for wiring harnesses and/or water lines.
The support 260 can provide a plurality of reliable supporting points for surrounding parts, and effectively solves the problems of gas mixing and part arrangement.
As a specific embodiment of the present invention, the three-way valve 200 of the present embodiment is an integrally formed structure, and the material of the three-way valve 200 is metal. Specifically, the three-way valve 200 may be made of aluminum alloy made of ADC12, which is low in cost and economical.
Specifically, the three-way valve 200 of the present embodiment is connected to other structures of the engine system 100 and the design principle of the structure is mainly as follows:
the body 210 of the three-way valve 200 is designed to have a first inlet port 211, a second inlet port 212, and an outlet port 213, a pressure regulating valve connection port 220 is provided at the first inlet port 211, the pressure regulating valve connection port 220 is connected to the pressure regulating valve 111, and the pressure regulating valve 111 is connected to the first inlet line 110. An EGR valve connection port 240 is provided at the second intake port 212, the EGR valve connection port 240 is connected to the EGR valve, and the EGR valve 121 is connected to the second intake pipe 120. A pressure sensor connection port 230 is also provided at the second air inlet 212. The pressure sensor is provided at the pressure sensor connection port 230. A supercharger connecting port 250 is arranged at the air outlet 213, the supercharger connecting port 250 is connected with the supercharger 131, and the supercharger 131 is connected with the engine air inlet pipeline 130. Whole three-way valve 200 passes through the bolt hole on the support 260 and fixes on the cylinder cover, sets up a plurality of through-holes 262 on this three-way valve 200's the support 260, can provide the strong point for other parts such as pencil, water pipe around, the effectual gas mixing and the problem of arranging of having solved.
The air at the first intake pipe 110 passes through the pressure regulating valve 111 and then enters the inside of the body 210 of the three-way valve 200 through the first intake port 211. The EGR gas at the second intake pipe 120 passes through the EGR valve 121 and then enters the interior of the body 210 of the three-way valve 200 through the second intake port 212. The air and the EGR gas are mixed in the body 210, and then flow to the supercharger 131 through the air outlet 213 and then flow to the engine intake pipe 130.
The present embodiment also provides, as a specific embodiment of the present invention, a vehicle including an engine system 100, the engine system 100 including a first intake conduit 110 for communicating air, a second intake conduit 120 for communicating EGR gas, an engine intake conduit 130, and an upper, three-way valve 200.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A three-way valve for an engine system comprising a first inlet line for the passage of air, a second inlet line for the passage of EGR gas and an engine inlet line, wherein the three-way valve is adapted to pass the air in the first inlet line and the EGR gas in the second inlet line mixed into the engine inlet line, characterized in that the three-way valve comprises a body comprising:
the first air inlet is connected and communicated with an air outlet port of the first air inlet pipeline, so that the air in the first air inlet pipeline enters the body through the first air inlet;
a second air inlet connected and communicated with an air outlet port of the second air inlet pipeline so that the EGR gas in the second air inlet pipeline enters the body from the second air inlet; the second intake port communicates with the first intake port so that the air flowing into the three-way valve and the EGR gas are mixed at the body to form a mixed gas; and
and the gas outlet is communicated with the first gas inlet and the second gas inlet and is connected and communicated with a gas inlet port of the engine gas inlet pipeline, so that the mixed gas flows out of the gas outlet into the engine gas inlet pipeline.
2. A three-way valve for an engine system according to claim 1,
the first air inlet, the second air inlet and the air outlet are all circular.
3. A three-way valve for an engine system according to claim 2,
the central axis of the first air inlet and the included angle of the central axis of the second air inlet are first preset angles, and the first preset angles are 80-90 degrees.
4. A three-way valve for an engine system according to claim 3,
the central axis of the first air inlet and the included angle of the central axis of the air outlet are preset angles of the second, and the preset angle of the second is 0-20 degrees.
5. A three-way valve for an engine system according to any one of claims 1-4,
still including setting up the pressure regulating valve connector of the periphery department of first air inlet, the pressure regulating valve connector is used for carrying out the overlap joint with pressure regulating valve.
6. A three-way valve for an engine system according to claim 5,
further comprising:
the pressure sensor connecting port is arranged at the second air inlet and used for arranging a pressure sensor;
an EGR valve connection port provided at an outer periphery of the second intake port for connection with an EGR valve provided in the second intake pipe.
7. A three-way valve for an engine system according to claim 6,
the supercharger is characterized by further comprising a supercharger connecting port arranged at the air outlet, and the supercharger connecting port is used for being connected with a supercharger at the position of an air inlet pipeline of the engine.
8. A three-way valve for an engine system according to claim 7,
the three-way valve further comprises a support arranged at the outer side of the body, and a plurality of threaded holes and through holes are formed in the support, wherein the threaded holes are used for fasteners to penetrate through so as to arrange the three-way valve at an engine cylinder cover; the through hole is used for providing a supporting point for the wiring harness and/or the water pipe.
9. The three-way valve for an engine system according to claim 8,
the three-way valve is of an integrally formed structure, and the three-way valve is made of metal.
10. A vehicle, characterized in that it comprises an engine system comprising a first inlet line for the circulation of air, a second inlet line for the circulation of EGR gas, an engine inlet line and a three-way valve according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121939813.9U CN215444261U (en) | 2021-08-18 | 2021-08-18 | Three-way valve for engine system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121939813.9U CN215444261U (en) | 2021-08-18 | 2021-08-18 | Three-way valve for engine system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215444261U true CN215444261U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121939813.9U Active CN215444261U (en) | 2021-08-18 | 2021-08-18 | Three-way valve for engine system and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN215444261U (en) |
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2021
- 2021-08-18 CN CN202121939813.9U patent/CN215444261U/en active Active
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