Intake manifold with side air intake function

Abstract

The utility model relates to an intake manifold for side air intake, which belongs to the technical field of engine components and comprises a flow guide portion, an air intake portion, a first air outlet portion and a second air outlet portion, the air intake portion, the first air outlet portion and the second air outlet portion are communicated with the flow guide portion, the air intake portion extends along a first direction, the first air outlet portion extends along a second direction, and the second air outlet portion extends along a third direction. The first direction, the second direction and the third direction are not in the same plane. The air inlet part, the first air outlet part and the second air outlet part extend in three different directions, and the three directions are not in the same plane, so that top air inlet is replaced by side air inlet, and the air inlet amount and the air inlet pressure are increased.

Description

Technical Field

[0001] The utility model relates to an intake manifold with side air intake, belonging to the technical field of engine components. Background Art

[0002] The intake manifold is an important component of the engine, mainly used to connect the air filter and the cylinder chamber of the engine, and is a gas supply component of the engine. The intake manifold mainly includes a diversion part, a first air outlet part and a second air outlet part connected to the diversion part. The diversion part is connected with an air intake part. Currently, the air intake part is generally arranged at the top of the diversion part, and the directions of the first air outlet part, the second air outlet part and the air intake part are in the same plane, resulting in relatively small intake pressure and intake air volume. Content of the Utility Model

[0003] The utility model provides an intake manifold with side air intake, which solves the problem that the current air intake part is generally arranged at the bottom of the diversion part, and the directions of the first air outlet part, the second air outlet part and the air intake part are in the same plane, resulting in relatively small intake pressure and intake air volume.

[0004] The utility model relates to an intake manifold with side air intake, including a diversion part, an air intake part, a first air outlet part and a second air outlet part communicating with the diversion part. The air intake part extends along a first direction, the first air outlet part extends along a second direction, and the second air outlet part extends along a third direction. The first direction, the second direction and the third direction are not in the same plane.

[0005] As a preference, an opening is provided on the diversion part in the direction opposite to the air intake part, and a detachable housing for closing the opening is provided at the opening. The opening and the detachable housing are arranged at the place where demolding is most difficult on the side opposite to the air intake part, dividing the intake manifold into two parts, performing split casting and then splicing, which is convenient for manufacturing and demolding.

[0006] As a preference, the opening extends to the first air outlet part and the second air outlet part respectively in the second direction and the third direction. Sealing flanges that match each other are provided on the outer sides of the opening and the detachable housing, which can increase the matching area at the joint of the opening and the detachable housing and is convenient for adhesive fixation and sealing.

[0007] As a preference, connection bosses are provided on the sealing flanges, connection holes I are provided on the connection bosses, and mating inclined surfaces are provided on the extension parts of the opening in the second direction and the third direction, with better sealing effect.

[0008] As a preference, a sealing ring groove is provided on the outer periphery of the air intake part, and an end limiting ring platform is provided on the outer periphery of the air intake part close to the diversion part on one side of the sealing ring groove. The setting of the sealing ring groove is convenient for installing the sealing ring, and the setting of the end limiting ring platform is convenient for limiting the end of the intake pipe.

[0009] As a preference, a limiting bump is provided on the outer periphery of the air inlet part on the side of the end limiting ring platform close to the diversion part, which is convenient for positioning the position of the air inlet pipe.

[0010] As a preference, a sensor mounting hole is provided on the air inlet part, which is convenient for mounting the sensor.

[0011] As a preference, sealing grooves, second connecting holes and fuel injector mounting holes are provided at the ends of the first air outlet part and the second air outlet part.

[0012] As a preference, a plurality of pressing ribs are provided on the inner side wall of the sealing groove, which is convenient for pressing the sealing ring in the sealing groove.

[0013] The utility model has the following beneficial effects:

[0014] The air inlet part, the first air outlet part and the second air outlet part extend in three different directions, and the three directions are not in the same plane. In this way, the side air inlet is used instead of the top air inlet, and both the air intake volume and the air intake pressure are increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic three-dimensional structure of the utility model Figure 1 ;

[0016] Figure 2 is a schematic three-dimensional structure of the utility model Figure 2 ;

[0017] Figure 3 is Figure 2 a partial structural schematic diagram of

[0018] Figure 4 is a partial schematic three-dimensional structure of the utility model;

[0019] Figure 5 is a structural schematic diagram of the detachable housing;

[0020] In the figure: 1. First air outlet part, 2. Air inlet part, 3. Diversion part, 4. Connecting boss, 5. Second connecting hole, 6. Fuel injector mounting hole, 7. Sealing flange, 8. Detachable housing, 9. Second air outlet part, 10. Sealing groove, 11. Sealing ring groove, 12. End limiting ring platform, 13. Limiting bump, 14. Pressing rib, 15. Sensor mounting hole, 16. Opening, 17. Matching inclined surface. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following further describes the utility model with reference to the embodiments.

[0022] Embodiment 1, as Figures 1 to 5As shown in the figure, the utility model relates to an intake manifold with side air intake, which includes a diversion part 3 and an intake part 2, a first air outlet part 1 and a second air outlet part 9 that are connected to the diversion part 3. The intake part 2 extends along a first direction, the first air outlet part 1 extends along a second direction, and the second air outlet part 9 extends along a third direction. The first direction, the second direction, and the third direction are not in the same plane. The third direction is between the first direction and the second direction, as Figure 1 shown, the intake part is arranged at the rear side of the diversion part 3, and the first air outlet part 1 and the second air outlet part 9 are respectively arranged on the left and right sides of the diversion part, so as to realize side air intake. The first air outlet part 1 and the second air outlet part 9 form an angle less than 180 degrees.

[0023] During installation, the intake part 2 is connected to the outlet rubber tube of the air filter, and the first air outlet part 1 and the second air outlet part 9 are respectively connected to the intake ports of two cylinder chambers of the engine. During operation, the air filtered by the air filter passes through the outlet rubber tube and then enters the intake part 2, and then after being diverted by the diversion part 3, it respectively enters the first air outlet part 1 and the second air outlet part 9, and then enters the engine.

[0024] Embodiment 2: On the basis of Embodiment 1, an opening 16 is provided on the diversion part 3 in the direction opposite to the intake part 2, and a detachable housing 8 for closing it is provided at the opening 16. The opening 16 is located at the middle position of the diversion part.

[0025] The opening 16 extends to the first air outlet part 1 and the second air outlet part 9 respectively in the second direction and the third direction. Sealing flanges 7 that cooperate with each other are provided on the outer sides of the opening 16 and the detachable housing 8.

[0026] A connecting boss 4 is provided on the sealing flange 7, and a first connecting hole is provided on the connecting boss 4. The extending parts of the opening 16 in the second direction and the third direction are provided with mating inclined surfaces 17. When installing the detachable housing 8, sealant is applied on the sealing flange 7, and then the detachable housing 8 is butted against the opening 16, and the first connecting holes on the corresponding connecting bosses 4 are aligned, and then connecting bolts are inserted into the first connecting holes and tightened.

[0027] A sealing ring groove 11 is provided on the outer periphery of the intake part 2, and an end limiting ring platform 12 is provided on the outer periphery of the intake part 2 on the side close to the diversion part 3.

[0028] An end limiting convex block 13 is provided on the outer periphery of the intake part 2 on the side close to the diversion part 3 of the end limiting ring platform 12. The end limiting convex block 13 cooperates with the end limiting block at the end of the outlet rubber tube of the air filter.

[0029] A sensor mounting hole 15 is provided on the intake part 2. A pressure sensor is installed in the sensor mounting hole 15, and the pressure sensor is perpendicular to the central axis of the intake part 2.

[0030] The end parts of the air outlet ends of the first air outlet part 1 and the second air outlet part 9 are both provided with a sealing groove 10, a second connecting hole 5 and an injector installation hole 6.

[0031] A plurality of pressing ribs 14 are provided on the inner side wall of the sealing groove 10.

[0032] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0033] In the description of the present invention, the orientation or positional relationship indicated by the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention rather than requiring the present invention to be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

Claims

1. An intake manifold for side air intake, comprising a guide portion (3), an intake portion (2) connected to the guide portion (3), a first outlet portion (1) and a second outlet portion (9), characterized in that: The air inlet (2) extends along a first direction, the first air outlet (1) extends along a second direction, and the second air outlet (9) extends along a third direction; the first direction, the second direction and the third direction are not in the same plane.

2. The side air intake manifold according to claim 1, characterized in that: An opening (16) is provided on the flow guide portion (3) in the opposite direction to the air inlet portion (2), and a detachable shell (8) is provided at the opening (16) to seal the opening.

3. The side air intake manifold according to claim 2, characterized in that: The opening (16) extends to the first air outlet portion (1) and the second air outlet portion (9) in the second direction and the third direction respectively, and matching sealing flanges (7) are provided on the outside of the opening (16) and the outside of the detachable shell (8).

4. The side air intake manifold according to claim 3, characterized in that: A connecting boss (4) is provided on the sealing flange (7), a connecting hole 1 is provided on the connecting boss (4), and matching inclined surfaces (17) are provided on the extension portions of the opening (16) in the second direction and the third direction.

5. The side air intake manifold according to claim 1, characterized in that: A sealing ring groove (11) is provided on the outer periphery of the air inlet portion (2), and an end stop ring platform (12) is provided on the outer periphery of the air inlet portion (2) on the side of the sealing ring groove (11) close to the flow guide portion (3).

6. The side air intake manifold according to claim 5, characterized in that: A limiting protrusion (13) is provided on the outer periphery of the air inlet portion (2) on the side of the end limiting ring platform (12) close to the guide portion (3).

7. The side air intake manifold according to claim 1, characterized in that: A sensor mounting hole (15) is provided on the air intake portion (2).

8. The side air intake manifold according to claim 1, characterized in that: The ends of the air outlet ends of the first air outlet portion (1) and the second air outlet portion (9) are both provided with a sealing groove (10), a second connecting hole (5) and an injection nozzle mounting hole (6).

9. The side air intake manifold according to claim 8, characterized in that: A plurality of pressing ribs (14) are provided on the inner side wall of the sealing groove (10).

Images