CN217380755U - Air intake manifold water conservancy diversion structure - Google Patents
Air intake manifold water conservancy diversion structure Download PDFInfo
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- CN217380755U CN217380755U CN202220963588.0U CN202220963588U CN217380755U CN 217380755 U CN217380755 U CN 217380755U CN 202220963588 U CN202220963588 U CN 202220963588U CN 217380755 U CN217380755 U CN 217380755U
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- air inlet
- intake manifold
- pressure stabilizing
- branch pipes
- air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model relates to a flow guiding structure of an air inlet manifold, which comprises an air inlet main pipe, a plurality of air inlet branch pipes, a pressure stabilizing box for connecting the air inlet main pipe and the plurality of air inlet branch pipes, and a flow guiding plate arranged in the pressure stabilizing box; the plurality of air inlet branch pipes are uniformly distributed along the length direction of the pressure stabilizing box, and the box wall opposite to the connecting surface of the plurality of air inlet branch pipes and the pressure stabilizing box is arranged in an inclined shape; the guide plate sets up to one at least, and from air intake manifold port to distal end air intake manifold downward sloping gradually. The utility model discloses the water conservancy diversion structure sets up inside the surge tank according to intake manifold mode of admitting air, and the water conservancy diversion structure includes surge tank shape inclination and sets up the guide plate in the surge tank, and the gaseous even flow of guide plate guide inlet end is to branch road trachea to improve engine response speed and the efficiency of admitting air, its simple structure, reliable, the volume production of being convenient for satisfy the engine state six and higher index requirement.
Description
Technical Field
The utility model belongs to the admission line field, concretely relates to air intake manifold water conservancy diversion structure.
Background
The intake manifold is mainly used for connecting an intake system of a whole automobile and an engine in an automobile engine and uniformly distributing gas to each cylinder for combustion.
The existing air inlet manifold for the engine mainly comprises a body with a pressure stabilizing box and a plurality of groups of air inlet branch pipes which are respectively communicated with the pressure stabilizing box of the body; the multiple groups of air inlet branch pipes are influenced by the depth of the pressure stabilizing box and air inlet inertia, and the pressure of the air inlet branch pipes far away from the air inlet of the pressure stabilizing box is higher, so that unbalanced air inlet and disordered air inlet of each air inlet branch pipe are easily caused, fuel mixed gas is insufficiently combusted, the output power is influenced, and the performance of the whole machine is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air intake manifold water conservancy diversion structure in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a flow guide structure of an intake manifold comprises an intake manifold, a plurality of intake branch pipes, a pressure stabilizing box connected with the intake manifold and the intake branch pipes, and a guide plate arranged in the pressure stabilizing box;
the plurality of air inlet branch pipes are uniformly distributed along the length direction of the pressure stabilizing box, and the box wall opposite to the connecting surface of the plurality of air inlet branch pipes and the pressure stabilizing box is arranged in an inclined shape;
the guide plate is at least arranged to be one, and the guide plate is gradually inclined downwards from the port of the air inlet manifold to the far-end air inlet manifold.
As a further optimization scheme of the utility model, surge tank inner chamber corner and inlet manifold all set up to the fillet with the surge tank junction.
As a further optimization scheme of the utility model, air intake manifold is the supercharged engine air intake manifold that the side was intake, the inclination of opposite tank wall is for 1-5 from air intake manifold port to distal end air intake manifold downward sloping gradually.
As a further optimization scheme of the utility model, air intake manifold is the naturally aspirated engine air intake manifold that admits air of side, the inclination of opposite tank wall is from air intake manifold port to distal end air intake manifold first tilt up and downward sloping again, just the angle of tilt up and downward sloping is 2-8.
As a further optimization scheme of the utility model, the opposite box wall length that the tilt up was strideed across is less than the opposite box wall length that the downward sloping was strideed across.
As a further optimization scheme of the utility model, air intake manifold is middle supercharged engine air intake manifold who admits air, the inclination of opposite tank wall is the air intake manifold downward sloping from air intake manifold port to both sides distal end, and inclination is 3-10.
As a further optimization scheme of the utility model, the guide plate is splayed symmetric distribution in the surge tank to the inlet manifold who admits air in the middle of as the central axis of symmetry.
As a further optimization scheme of the utility model, air intake manifold is integrated intercooler's air intake manifold, be provided with the intercooler between surge tank and a plurality of air intake branch pipe, the opposite tank wall is the arc surface, and the arc surface downward sloping gradually from inlet manifold port to distal end inlet manifold.
As a further optimization scheme of the utility model, be close to the arc surface of air intake manifold side is apart from intercooler 30-80mm, keeps away from the arc surface of air intake manifold side is apart from intercooler 5-30 mm.
The beneficial effects of the utility model reside in that:
1) the utility model discloses the water conservancy diversion structure sets up in the surge tank according to the air intake manifold mode of admitting air, and the water conservancy diversion structure includes surge tank shape inclination and sets up the guide plate in the surge tank, and the guide plate guides the inlet end gas stream to the branch road trachea;
2) the utility model discloses an optimization to the water conservancy diversion structure for can be even from the air current of air inlet pass the surge tank and reach each branch pipe export, thereby improve engine response speed and the efficiency of admitting air, its simple structure, reliable, the volume production of being convenient for satisfy the engine state six and higher index requirement.
Drawings
Fig. 1 is a schematic view of a flow guiding structure of a supercharged engine intake manifold with side intake according to embodiment 1 of the present invention.
Fig. 2 is a schematic view of a diversion structure of an intake manifold of a naturally aspirated engine according to embodiment 2 of the present invention.
Fig. 3 is a schematic view of a flow guiding structure of an intake manifold of a supercharged engine of embodiment 3 of the present invention.
Fig. 4 is a schematic view of a flow guiding structure of an intake manifold of an integrated intercooler according to embodiment 4 of the present invention.
In the figure: 1. an intake manifold; 2. an intake branch pipe; 3. a voltage stabilizing box; 31. the opposite box wall; 4. a baffle.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
Example 1
As shown in fig. 1, a flow guide structure of an intake manifold of a supercharged engine with side intake is provided, which comprises an intake manifold 1, four intake branch pipes 2, a surge tank 3 connecting the intake manifold 1 and the four intake branch pipes 2, and a flow guide plate 4 arranged in the surge tank 3;
the four air inlet branch pipes 2 are uniformly distributed along the length direction of the pressure stabilizing box 3, the box wall 31 opposite to the connecting surfaces of the four air inlet branch pipes 2 and the pressure stabilizing box 3 is inclined, and the inclination angle is that the four air inlet branch pipes gradually incline downwards by 1-5 degrees from the port of the air inlet main pipe 1 to the far-end air inlet main pipe 1;
the number of the guide plates 4 is one, and the guide plates gradually incline downwards from the port of the air inlet manifold 1 to the far-end air inlet manifold 1;
and corners of the inner cavity of the pressure stabilizing box 3 and the joints of the air inlet branch pipes 2 and the pressure stabilizing box 3 are all set to be round corners.
Example 2
As shown in fig. 2, the intake manifold flow guiding structure of the naturally aspirated engine with side intake comprises an intake manifold 1, four intake branch pipes 2, a surge tank 3 connecting the intake manifold 1 and the four intake branch pipes 2, and a flow guiding plate 4 arranged in the surge tank 3;
the four air inlet branch pipes 2 are uniformly distributed along the length direction of the surge tank 3, the opposite tank wall 31 of the connecting surface of the four air inlet branch pipes 2 and the surge tank 3 is inclined, the inclination angle is that the opposite tank wall 31 from the port of the air inlet main pipe 1 to the far-end air inlet main pipe 1 is firstly inclined upwards by 2-8 degrees and then inclined downwards by 2-8 degrees, the length of the opposite tank wall 31 which is inclined upwards and spans is smaller than the length of the opposite tank wall 31 which is inclined downwards and spans, and the inflection point is between the first air inlet branch pipe 2 and the second air inlet branch pipe 2 which are close to the air inlet main pipe 1;
the number of the guide plates 4 is one, the guide plates gradually incline downwards from the port of the air inlet manifold 1 to the far-end air inlet manifold 1, and the guide plates are arranged in an arc shape;
and corners of the inner cavity of the pressure stabilizing box 3 and the connection part of the air inlet branch pipe 2 and the pressure stabilizing box 3 are all set to be round corners.
Example 3
As shown in fig. 3, a flow guiding structure of an intake manifold of a supercharged engine with middle intake is provided, which includes an intake manifold 1, four intake branch pipes 2, a surge tank 3 connecting the intake manifold 1 and the four intake branch pipes 2, and a flow guiding plate 4 arranged in the surge tank 3;
the four air inlet branch pipes 2 are uniformly distributed along the length direction of the pressure stabilizing box 3, the box wall 31 opposite to the connecting surfaces of the four air inlet branch pipes 2 and the pressure stabilizing box 3 is inclined, and the inclination angle is 3-10 degrees from the port of the air inlet main pipe 1 to the air inlet main pipe 1 at the far ends of two sides;
the number of the guide plates 4 is two, the guide plates gradually incline downwards from the port of the air inlet main pipe 1 to the far-end air inlet main pipe 1, the two guide plates 4 are symmetrically distributed in the pressure stabilizing box 3 in a splayed shape, and the air inlet main pipe 1 with air inlet in the middle is used as a symmetrical central axis;
and corners of the inner cavity of the pressure stabilizing box 3 and the joints of the air inlet branch pipes 2 and the pressure stabilizing box 3 are all set to be round corners.
Example 4
As shown in fig. 4, an intake manifold flow guiding structure of an integrated intercooler is provided, which includes an intake manifold 1, four intake branch pipes 2, a surge tank 3 connecting the intake manifold 1 and the four intake branch pipes 2, and a flow guide plate 4 disposed in the surge tank 3, wherein an intercooler is disposed between the surge tank 3 and the four intake branch pipes 2;
the four air inlet branch pipes 2 are uniformly distributed along the length direction of the pressure stabilizing box 3, the opposite box wall 31 of the connecting surface of the four air inlet branch pipes 2 and the pressure stabilizing box 3 is inclined, the opposite box wall 31 is an arc surface, the arc surface is gradually inclined downwards from the port of the air inlet main pipe 1 to the far end air inlet main pipe 1, the arc surface close to the air inlet main pipe 1 side is 30-80mm away from the intercooler, and the arc surface far away from the air inlet main pipe 1 side is 5-30mm away from the intercooler;
the two guide plates 4 are arranged side by side and are gradually inclined downwards from the port of the air inlet main pipe 1 to the far-end air inlet main pipe 1, so that air can be guided to uniformly enter different cylinders, and the uniformity of each cylinder is better;
and corners of the inner cavity of the pressure stabilizing box 3 and the connection part of the air inlet branch pipe 2 and the pressure stabilizing box 3 are all set to be round corners.
The utility model discloses the water conservancy diversion structure sets up inside surge tank 3 according to the air intake manifold mode of admitting air, and the water conservancy diversion structure includes 3 shape inclination angles of surge tank and sets up guide plate 4 in surge tank 3, and guide plate 4 guides the inlet end gas stream to the branch road trachea;
through the optimization to the water conservancy diversion structure for the air current that follows the air inlet can be even passes pressure-stabilizing box 3 and reach each branch pipe export, thereby improves engine response speed and air intake efficiency, and its simple structure, reliable, the volume production of being convenient for satisfy the engine state six and higher index requirement.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (9)
1. An intake manifold flow guide structure, characterized in that: the air inlet device comprises an air inlet header pipe (1), a plurality of air inlet branch pipes (2), a pressure stabilizing box (3) connected with the air inlet header pipe (1) and the plurality of air inlet branch pipes (2), and a guide plate (4) arranged in the pressure stabilizing box (3);
the plurality of air inlet branch pipes (2) are uniformly distributed along the length direction of the pressure stabilizing box (3), and opposite box walls (31) of the connecting surfaces of the plurality of air inlet branch pipes (2) and the pressure stabilizing box (3) are arranged in an inclined shape;
the guide plate (4) is at least arranged to be one, and is gradually inclined downwards from the port of the air inlet manifold (1) to the far-end air inlet manifold (1).
2. The intake manifold flow guide structure according to claim 1, wherein: and the corners of the inner cavity of the pressure stabilizing box (3) and the joints of the air inlet branch pipes (2) and the pressure stabilizing box (3) are all set to be round corners.
3. The intake manifold flow guide structure according to claim 1, wherein: the intake manifold is a supercharged engine intake manifold with side air intake, and the inclination angle of the opposite box wall (31) is gradually inclined downwards by 1-5 degrees from the port of the intake manifold (1) to the far-end intake manifold (1).
4. The intake manifold flow guide structure according to claim 1, wherein: the intake manifold is a side-intake naturally aspirated engine intake manifold, the inclination angle of the opposite box wall (31) is that the intake manifold (1) inclines upwards and then downwards from the port of the intake manifold (1) to the far-end intake manifold (1), and the angles of the upwards inclination and the downwards inclination are 2-8 degrees.
5. The intake manifold flow guide structure according to claim 4, wherein: the length of the opposite box wall (31) spanning obliquely upwards is smaller than the length of the opposite box wall (31) spanning obliquely downwards.
6. The intake manifold flow guide structure according to claim 1, wherein: the intake manifold is a supercharged engine intake manifold with middle air intake, the inclination angle of the opposite box wall (31) is downward inclination from the port of the intake manifold (1) to the intake manifold (1) at the far ends of two sides, and the inclination angle is 3-10 degrees.
7. The intake manifold flow guide structure according to claim 6, wherein: the guide plates (4) are symmetrically distributed in the pressure stabilizing box (3) in a splayed shape, and the air inlet main pipe (1) with air inlet in the middle is used as a symmetrical central axis.
8. The intake manifold flow guide structure according to claim 1, wherein: the air inlet manifold is an air inlet manifold of an integrated intercooler, the intercooler is arranged between the pressure stabilizing box (3) and the air inlet branch pipes (2), the opposite box wall (31) is an arc surface, and the arc surface is gradually inclined downwards from the port of the air inlet main pipe (1) to the far-end air inlet main pipe (1).
9. The intake manifold flow guide structure according to claim 8, wherein: the distance between the arc surface close to the side of the air inlet main pipe (1) and the intercooler is 30-80mm, and the distance between the arc surface far away from the side of the air inlet main pipe (1) and the intercooler is 5-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220963588.0U CN217380755U (en) | 2022-04-25 | 2022-04-25 | Air intake manifold water conservancy diversion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220963588.0U CN217380755U (en) | 2022-04-25 | 2022-04-25 | Air intake manifold water conservancy diversion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217380755U true CN217380755U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220963588.0U Active CN217380755U (en) | 2022-04-25 | 2022-04-25 | Air intake manifold water conservancy diversion structure |
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| Country | Link |
|---|---|
| CN (1) | CN217380755U (en) |
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2022
- 2022-04-25 CN CN202220963588.0U patent/CN217380755U/en active Active
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