CN211314374U - Booster oil return pipe structure and fuel vehicle - Google Patents

Booster oil return pipe structure and fuel vehicle Download PDF

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Publication number
CN211314374U
CN211314374U CN201922274750.9U CN201922274750U CN211314374U CN 211314374 U CN211314374 U CN 211314374U CN 201922274750 U CN201922274750 U CN 201922274750U CN 211314374 U CN211314374 U CN 211314374U
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China
Prior art keywords
pipe
oil return
return pipe
supercharger
venturi
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CN201922274750.9U
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Chinese (zh)
Inventor
刘佳佳
孔凡强
李长龙
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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Priority to CN201922274750.9U priority Critical patent/CN211314374U/en
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Abstract

The utility model provides a supercharger oil return pipe structure, which comprises an oil return pipe main pipe and an exhaust pipe communicated to the oil return pipe main pipe, wherein the end part of the exhaust pipe close to the oil return pipe main pipe is provided with a Venturi tube; the outer wall of the Venturi tube is fixedly provided with a gas flow measuring device communicated to the Venturi tube to measure the gas flow in the Venturi tube. The oil return pipe is responsible for and connects booster and engine, returns the oil return pipe and is responsible for and sets up the blast pipe and scurry into the air in with and derive, and the air current flows through venturi on the blast pipe, sets up gas flow measuring device and measures the gas flow through venturi, utilizes the venturi structure can accurately obtain the air leakage volume that the oil return pipe is responsible for. The utility model also provides a fuel vehicle.

Description

Booster oil return pipe structure and fuel vehicle
Technical Field
The utility model relates to a fuel vehicle technical field, more specifically say, relate to a booster oil return pipe structure and fuel vehicle.
Background
At present, common booster returns oil pipe and is mostly slick and sly straight tube section, and the air leakage volume that returns oil pipe to measuring booster influences because the air in the crankcase can be scurried upward, flows into booster and returns oil pipe, and air leakage measuring equipment communicates to booster and returns oil pipe, and its interior air float can influence measuring equipment's testing result.
Therefore, how to improve the air leakage measurement accuracy of the oil return pipe of the supercharger is a problem to be solved urgently by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a supercharger oil return pipe structure to improve the accuracy of measuring the leakage of the supercharger oil return pipe; the utility model also provides a fuel vehicle.
In order to achieve the above object, the utility model provides a following technical scheme:
a supercharger oil return pipe structure comprises an oil return pipe main pipe and an exhaust pipe communicated to the oil return pipe main pipe, wherein a Venturi tube is arranged at the end part of the exhaust pipe close to the oil return pipe main pipe;
and a gas flow measuring device communicated to the venturi tube for measuring the gas flow in the venturi tube is fixedly arranged on the outer wall of the venturi tube.
Preferably, in the oil return pipe structure of the supercharger, the measuring pipeline of the gas flow measuring device extends into the throat position of the venturi pipe.
Preferably, in the oil return pipe structure of the supercharger, the exhaust pipe includes an air leakage outlet pipe and an exhaust main pipe which are communicated with the oil return pipe main pipe, and the venturi pipe is inserted and installed between the air leakage outlet pipe and the exhaust main pipe.
Preferably, in the oil return pipe structure of the supercharger, the air leakage lead-out pipe is fixedly welded to the main pipe of the oil return pipe.
Preferably, in the oil return pipe structure of the supercharger, the air leakage outlet pipe is detachably mounted on the main pipe of the oil return pipe.
Preferably, in the oil return pipe structure of the supercharger, the oil return pipe main pipe comprises a machine body connecting pipe connected with the engine body, and the machine body connecting pipe is provided with a U-shaped pipeline for accommodating oil.
Preferably, in the oil return pipe structure of the supercharger, the U-shaped pipeline is located between a pipe joint of the body connection pipe and the exhaust pipe.
Preferably, in the structure of the oil return pipe of the supercharger, the main pipe of the oil return pipe further includes a supercharger connecting pipe connected to the supercharger, and a corrugated connecting pipe is disposed at a position of the supercharger connecting pipe close to the connecting flange.
The fuel vehicle comprises an engine and a supercharger for supplying pressurized air to the engine, wherein a supercharger oil return pipe for connecting the engine and the supercharger is arranged between the engine and the supercharger, and the supercharger oil return pipe is provided with the supercharger oil return pipe structure as described above.
The utility model provides a supercharger oil return pipe structure, which comprises an oil return pipe main pipe and an exhaust pipe communicated to the oil return pipe main pipe, wherein the end part of the exhaust pipe close to the oil return pipe main pipe is provided with a Venturi tube; the outer wall of the Venturi tube is fixedly provided with a gas flow measuring device communicated to the Venturi tube to measure the gas flow in the Venturi tube. The oil return pipe is responsible for and connects booster and engine, returns the oil return pipe and is responsible for and sets up the blast pipe and scurry into the air in with and derive, and the air current flows through venturi on the blast pipe, sets up gas flow measuring device and measures the gas flow through venturi, utilizes the venturi structure can accurately obtain the air leakage volume that the oil return pipe is responsible for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model provides a schematic diagram of booster oil return pipe structure.
Detailed Description
The utility model discloses a supercharger oil return pipe structure, which improves the air leakage measurement accuracy of the supercharger oil return pipe; the utility model also provides a fuel vehicle.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, fig. 1 is a schematic view of a structure of a supercharger oil return pipe provided by the present invention.
The embodiment provides a supercharger oil return pipe structure, which comprises an oil return pipe main pipe 1 and an exhaust pipe 2 communicated to the oil return pipe main pipe 1, wherein a venturi tube 3 is arranged at the end part of the exhaust pipe 2 close to the oil return pipe main pipe 1; and a gas flow measuring device 4 communicated to the venturi tube 3 for measuring the gas flow in the venturi tube 3 is fixedly arranged on the outer wall of the venturi tube 3. Return oil pipe and be responsible for 1 and connect booster and engine, return oil pipe and be responsible for 1 and set up blast pipe 2 and scurry into the air in with and derive, and the air current flows out through venturi 3 on blast pipe 2, sets up gas flow measuring device 4 and measures the gas flow through venturi 3, utilizes the venturi structure can accurately obtain the air leakage volume that returns oil pipe and be responsible for.
In one embodiment of the present disclosure, the measurement pipeline 5 of the gas flow measuring device 4 extends into the throat of the venturi tube. The gas flow velocity at the throat position of the Venturi tube 3 is large, the gas flow at the throat position is collected through the measuring pipeline 5, and the gas flow measuring device 4 obtains an accurate measuring structure, so that the air leakage measuring accuracy is improved.
In an embodiment of the present invention, the exhaust pipe 2 includes a blow-by gas outlet pipe 21 and an exhaust main pipe 22 communicated with the return pipe main pipe 1, and the venturi tube 3 is inserted between the blow-by gas outlet pipe 21 and the exhaust main pipe 22. Venturi 3's the position of arranging is close to blast pipe 2 and the link that oil return pipe is responsible for 1, and blast pipe 2 adopts the segment structure, is connected oil return pipe by gas leakage fairlead 21 and is responsible for 1, and venturi 3 is responsible for 22 with gas leakage fairlead 21 and exhaust and is adopted the mode of pegging graft to be connected. The venturi tube 3 is arranged close to the main oil return tube 1, so that the problem that air leakage is difficult to measure when air leakage is small due to the fact that the length of the air leakage outlet tube is too long is solved, and measurement accuracy is further improved.
Furthermore, the air leakage eduction tube 21 is fixedly welded on the main oil return tube 1. The leakage gas outlet pipe 21 can also be detachably arranged on the main pipe of the oil return pipe.
In an embodiment of the present disclosure, the oil return pipe main pipe 1 includes a machine body connecting pipe 11 connected to the engine body, and the machine body connecting pipe 11 is provided with a U-shaped pipeline 12 for containing oil. The oil return pipe is responsible for 1 and communicates to the one end of engine organism and is organism connecting pipe 11, and air in the crankcase can be responsible for 1 by returning the oil pipe and scurry into, for avoiding gaseous entering booster, sets up U type pipeline 12 structure on organism connecting pipe 11, and the oil return is stored in U type pipeline 12 in the booster, plays and is responsible for 1 certain sealing function to returning the oil pipe to can effectively reduce the booster gas leakage, guarantee job stabilization.
Specifically, the U-shaped pipeline 12 is located between the pipe joint of the engine body connecting pipe 11 and the exhaust pipe 2, and it can be understood that the engine body connecting pipe 11 is communicated with the engine body, and the U-shaped pipeline 12 separates the engine body from the exhaust pipe 2 to perform a sealing function.
In an embodiment of the present disclosure, the main oil return pipe 1 further includes a supercharger connecting pipe 13 connected to the supercharger, and the supercharger connecting pipe 13 is provided with a corrugated connecting pipe 14 near a connecting flange thereof. The oil return pipe main pipe 1 is connected with the supercharger through the supercharger connecting pipe 13, the end part of the supercharger connecting pipe 13 is provided with a connecting flange, so that the position of the supercharger connecting pipe 13 can be adjusted by arranging the corrugated connecting pipe 14 in order to facilitate the adjustment of the position of the oil return pipe main pipe 1 in the connection process of the supercharger and the supercharger, and the installation difficulty is reduced. Blast pipe 2 and return oil pipe and be responsible for 1 intercommunication, and the introduction of fluid can be avoided to venturi 3 structure, and for guaranteeing fluid oil return safety, the structure is blocked to its angle of drawing forth of gas leakage fairlead accessible of blast pipe or inside setting, avoids fluid to derive.
Based on the booster oil return pipe structure that provides in the above-mentioned embodiment, the utility model also provides a fuel car, including the engine with to the booster of engine supply charge air, set up between engine and the booster and connect the booster oil return pipe of the two, the booster oil return pipe that is equipped with on this fuel car has the booster oil return pipe structure that provides in the above-mentioned embodiment.
Because the oil-fired vehicle adopts the supercharger oil return pipe structure of the embodiment, please refer to the embodiment for the beneficial effects brought by the supercharger oil return pipe structure of the oil-fired vehicle.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The oil return pipe structure of the supercharger is characterized by comprising an oil return pipe main pipe and an exhaust pipe communicated to the oil return pipe main pipe, wherein a venturi tube is arranged at the end part of the exhaust pipe close to the oil return pipe main pipe;
and a gas flow measuring device communicated to the venturi tube for measuring the gas flow in the venturi tube is fixedly arranged on the outer wall of the venturi tube.
2. The booster oil return pipe structure of claim 1 wherein the measurement line of the gas flow measuring device extends into the throat of the venturi.
3. The oil return pipe structure of the supercharger according to claim 1, wherein the exhaust pipe comprises an air leakage outlet pipe and an exhaust main pipe which are communicated with the oil return pipe main pipe, and the venturi pipe is inserted and installed between the air leakage outlet pipe and the exhaust main pipe.
4. The supercharger oil return pipe structure according to claim 3, wherein the air leakage lead-out pipe is fixedly welded to the oil return pipe main pipe.
5. The supercharger oil return pipe structure of claim 3, wherein the blow-by gas outlet pipe is detachably mounted on the oil return pipe main pipe.
6. The structure of an oil return pipe of a supercharger according to claim 1, wherein the main pipe of the oil return pipe comprises a machine body connecting pipe connected with an engine body, and a U-shaped pipeline for containing oil is arranged on the machine body connecting pipe.
7. The supercharger oil return pipe structure of claim 6, wherein the U-shaped pipeline is located between a pipe joint of the body connection pipe and the exhaust pipe.
8. The structure of an oil return pipe of a supercharger according to claim 6, wherein the main pipe of the oil return pipe further comprises a supercharger connecting pipe connected with the supercharger, and the supercharger connecting pipe is provided with a corrugated connecting pipe near the connecting flange.
9. A fuel-fired vehicle comprising an engine and a supercharger for supplying pressurized air to said engine, a supercharger return pipe being provided between said engine and said supercharger for connecting the two, characterized in that said supercharger return pipe has a supercharger return pipe structure according to any one of claims 1-8.
CN201922274750.9U 2019-12-16 2019-12-16 Booster oil return pipe structure and fuel vehicle Active CN211314374U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922274750.9U CN211314374U (en) 2019-12-16 2019-12-16 Booster oil return pipe structure and fuel vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922274750.9U CN211314374U (en) 2019-12-16 2019-12-16 Booster oil return pipe structure and fuel vehicle

Publications (1)

Publication Number Publication Date
CN211314374U true CN211314374U (en) 2020-08-21

Family

ID=72082573

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922274750.9U Active CN211314374U (en) 2019-12-16 2019-12-16 Booster oil return pipe structure and fuel vehicle

Country Status (1)

Country Link
CN (1) CN211314374U (en)

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