CN213627824U - But integrated exhaust gas recirculation's intake pipe structure - Google Patents
But integrated exhaust gas recirculation's intake pipe structure Download PDFInfo
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- CN213627824U CN213627824U CN202022733789.5U CN202022733789U CN213627824U CN 213627824 U CN213627824 U CN 213627824U CN 202022733789 U CN202022733789 U CN 202022733789U CN 213627824 U CN213627824 U CN 213627824U
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- exhaust gas
- air inlet
- inlet pipe
- pipe body
- gas recirculation
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Abstract
The utility model relates to the technical field of engine emission, and discloses an air inlet pipe structure capable of integrating exhaust gas recirculation, which comprises an air inlet pipe body, wherein the front side of the right end of the air inlet pipe body is provided with an electric EGR (exhaust gas recirculation) mounting lug and an EGR cooler mounting lug, the right end of the air inlet pipe body is formed with an exhaust gas channel with a lower side opening, and the outer side of the exhaust gas channel is formed with a cooling liquid channel; and an air inlet communicated with the inner cavity of the air inlet pipe body is formed on the upper side wall of the middle part of the air inlet pipe body. The exhaust gas recirculation device can be tightly combined on the body, so that the space of an engine can be effectively saved, and the structure of the engine is more compact; the cooling liquid channel is arranged outside the waste gas channel, so that the temperature of the waste gas can be effectively reduced, and the temperature of the mixed gas cannot be increased, so that the inflation efficiency is reduced; meanwhile, the electric EGR valve is carried on the air inlet pipe, so that the execution efficiency of opening and closing of the valve body can be effectively improved.
Description
The technical field is as follows:
the utility model belongs to the technical field of the engine emission technique and specifically relates to a but gas recirculation's intake-tube structure is integrated.
Background art:
with the recent release of the four emission standards in non-road countries, the emission standards have further increased the requirements for harmful emissions of NOx from engines, and EGR (exhaust gas recirculation) technology is one of the most effective measures for reducing NOx emissions from engines in diesel engines, so that the development of an intake pipe capable of carrying a whole set of exhaust gas recirculation becomes a primary task.
The utility model has the following contents:
the utility model aims at overcoming the defects of the prior art and providing an air inlet pipe structure capable of integrating exhaust gas recirculation, which can tightly combine the whole set of exhaust gas recirculation device on the body of the air inlet pipe structure, effectively save the space of an engine and lead the structure of the engine to be more compact; the cooling liquid channel is arranged outside the waste gas channel, so that the temperature of the waste gas can be effectively reduced, and the temperature of the mixed gas cannot be increased, so that the inflation efficiency is reduced; meanwhile, the electric EGR valve is carried on the air inlet pipe, so that the execution efficiency of opening and closing of the valve body can be effectively improved.
The utility model provides a technical problem's scheme is:
an integrated exhaust gas recirculation air inlet pipe structure comprises an air inlet pipe body, wherein an electric EGR (exhaust gas recirculation) mounting lug and an EGR cooler mounting lug are arranged on the front side of the right end of the air inlet pipe body; and an air inlet communicated with the inner cavity of the air inlet pipe body is formed on the upper side wall of the middle part of the air inlet pipe body.
The exhaust gas channel comprises an exhaust gas inlet channel, an electric EGR hole arranged at the top of the exhaust gas inlet channel and an exhaust gas outlet arranged at the front end of the exhaust gas inlet channel.
The utility model discloses an outstanding effect is:
compared with the prior art, the exhaust gas recirculation device can tightly combine the whole exhaust gas recirculation device on the body, thereby effectively saving the space of the engine and leading the structure of the engine to be more compact; the cooling liquid channel is arranged outside the waste gas channel, so that the temperature of the waste gas can be effectively reduced, and the temperature of the mixed gas cannot be increased, so that the inflation efficiency is reduced; meanwhile, the electric EGR valve is carried on the air inlet pipe, so that the execution efficiency of opening and closing of the valve body can be effectively improved.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a first partial assembly view of the present invention with other components;
fig. 4 is a second assembly diagram of the present invention and other components.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 4, an intake pipe structure capable of integrating exhaust gas recirculation includes an intake pipe body 1, an electric EGR mounting lug 11 and an EGR cooler mounting lug 12 are provided at the front side of the right end of the intake pipe body 1, an exhaust gas passage 13 with an open lower side is formed at the right end of the intake pipe body 1, and a coolant passage 14 is formed at the outer side of the exhaust gas passage 13; an air inlet 16 communicated with an inner cavity 15 of the air inlet pipe body 1 is formed on the upper side wall of the middle part of the air inlet pipe body 1.
The exhaust passage 13 includes an exhaust gas intake passage 131, an EGR hole 132 provided at the top of the exhaust gas intake passage 131, and an exhaust gas outlet 133 provided at the front end of the exhaust gas intake passage 131.
The electric EGR 21 is fixed on the electric EGR mounting lug 11 through screws, the EGR cooler 22 is fixed on the EGR cooler mounting lug 12, a waste gas inlet pipe 23 of the EGR cooler 22 is connected with a waste gas outlet 133, a waste gas outlet pipe 24 of the EGR cooler 22 is connected with an air inlet connecting pipe 25, one end of the air inlet connecting pipe 25 is connected with an air inlet 16, the EGR cooler 22 is also connected with a water inlet rubber pipe 26 and a water outlet rubber pipe 27, and the other end of the water inlet rubber pipe 26 is connected with the cooling liquid channel 14;
the intake pipe body 1 is installed on the cylinder head, and the intake pipe body and the cylinder head form a waste gas circulation passage and a coolant circulation passage.
The working principle is as follows: the waste gas enters from the waste gas inlet channel 131, then flows into the waste gas inlet pipe 23 from the waste gas outlet 133, is cooled by the EGR cooler 22, flows out from the waste gas outlet pipe 24 into the inlet connecting pipe 25 to be mixed with fresh air, and then enters into the inlet pipe body 1 through the air inlet 16;
the coolant enters the coolant passage 14 from the coolant flow passage, then enters the EGR cooler 22 from the water inlet hose 26, and then flows out from the water outlet hose 27.
The above embodiments are only used for illustrating the present invention, and not for the system of the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (2)
1. An integrated exhaust gas recirculation air inlet pipe structure, comprising an air inlet pipe body (1), characterized in that: an electric EGR installation lug (11) and an EGR cooler installation lug (12) are arranged on the front side of the right end of the air inlet pipe body (1), an exhaust gas channel (13) with an opening at the lower side is formed at the right end of the air inlet pipe body (1), and a cooling liquid channel (14) is formed at the outer side of the exhaust gas channel (13); and an air inlet (16) communicated with an inner cavity (15) of the air inlet pipe body (1) is formed on the upper side wall of the middle part of the air inlet pipe body (1).
2. An integrated exhaust gas recirculation-capable intake pipe structure according to claim 1, wherein: the exhaust gas passage (13) comprises an exhaust gas inlet passage (131), an electric EGR hole (132) arranged at the top of the exhaust gas inlet passage (131), and an exhaust gas outlet (133) arranged at the front end of the exhaust gas inlet passage (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022733789.5U CN213627824U (en) | 2020-11-24 | 2020-11-24 | But integrated exhaust gas recirculation's intake pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022733789.5U CN213627824U (en) | 2020-11-24 | 2020-11-24 | But integrated exhaust gas recirculation's intake pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213627824U true CN213627824U (en) | 2021-07-06 |
Family
ID=76636014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022733789.5U Active CN213627824U (en) | 2020-11-24 | 2020-11-24 | But integrated exhaust gas recirculation's intake pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213627824U (en) |
-
2020
- 2020-11-24 CN CN202022733789.5U patent/CN213627824U/en active Active
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