CN208793131U - A kind of inlet manifold of engine - Google Patents
A kind of inlet manifold of engine Download PDFInfo
- Publication number
- CN208793131U CN208793131U CN201821609160.6U CN201821609160U CN208793131U CN 208793131 U CN208793131 U CN 208793131U CN 201821609160 U CN201821609160 U CN 201821609160U CN 208793131 U CN208793131 U CN 208793131U
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- Prior art keywords
- tube body
- tube
- fixing seat
- air inlet
- inlet manifold
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Abstract
The utility model discloses a kind of inlet manifold of engine, including tube body, described tube body one end is equipped with air inlet tube, the tube body side is equipped with multiple outgoing gas connection tubes, it is also integrally disposed on tube body above the air inlet tube to have the mounting base for being used to install EGR valve communicated therewith, Y-shaped arrangement between the mounting base and tube body, air inlet tube, the mounting base include diamond shape flange and the exhaust inlet pipe that connect the diamond shape flange with tube body;Also integrally disposed the first fixing seat having for installing air borne sensor, the second fixing seat for installation wiring, the third fixing seat for installing relay on the tube body.The inlet manifold of the utility model, it is compact-sized, convenient for assembly, eliminate the mounting bracket and joint steel pipe of EGR valve, reduce number of parts and cost, so that the gas of Recycling is sufficiently mixed with fresh air, has the characteristics that small in size, occupancy engine space is small, suitability is strong, integration degree is high.
Description
Technical field
The utility model relates to a kind of engine air inlet tubes, more specifically, it relates to a kind of inlet manifold of engine.
Background technique
A part that gas will be discharged for automobile engine after combustion for exhaust gas recirculatioon, which separates and imports air inlet side, to be made
Its technology burnt once again, main purpose are to reduce the nitrogen oxides in discharge gas and sharing sub-load to improve combustion
Expect that rate of consumption all employs egr system on the engine of state six to improve the discharge of internal combustion engine substantially.Existing egr system
In, exhaust gas enters egr system recycling, needs to control the opening and closing of air flue by EGR valve, and EGR valve is not to be mounted directly admittedly
Be scheduled in inlet manifold, but in addition design bracket support EGR valve, then added between EGR valve and inlet manifold steel pipe with
The two is connected to, such installation connection type, increases the specialized spare parts such as bracket and steel pipe, higher cost, and connecting can
It is poor by property, biggish engine space is occupied, keeps engine suitability poor.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, provide it is a kind of it is compact-sized,
Convenient for the inlet manifold of assembly, the mounting bracket and joint steel pipe of EGR valve are eliminated, number of parts and cost are reduced, makes to follow
The gas of ring again can be sufficiently mixed with fresh air, with small in size, occupancy engine space is small, suitability is strong, integrated
Change degree height and the high feature of cost performance.
Technical scheme of the utility model is as follows: a kind of inlet manifold of engine, including tube body, the tube body
One end is equipped with air inlet tube, and the tube body side is equipped with multiple outgoing gas connection tubes, also collects on the tube body above the air inlet tube
At be provided with communicate therewith for installing the mounting base of EGR valve, it is Y-shaped between the mounting base and tube body, air inlet tube
Arrangement, the mounting base include diamond shape flange and the exhaust inlet pipe that connect the diamond shape flange with tube body;The tube body
Upper also integrally disposed the first fixing seat having for installing air borne sensor, for the second fixing seat of installation wiring, for pacifying
Fill the third fixing seat of relay, the tube body and the air inlet tube, outgoing gas connection tube, mounting base, the first fixing seat, the
It is integrally formed structures between two fixing seats, third fixing seat.
As a further improvement, the air inlet tube is the adapter tube of cone-shaped, the diameter minimum one of the shaped Nozzles
End is connect with tube body, and the internal diameter of the shaped Nozzles is less than the internal diameter of tube body.
Further, the air inlet tube lateral ends are equipped with rectangular flange, correspondingly, each outgoing gas connection tube
Lateral ends are equipped with triangle flange.
Further, the axial line of the air inlet tube is parallel with the axial line of the tube body, the outgoing gas connection tube
The axial line of axial line and the tube body is perpendicular.
Further, first fixing seat and the second fixing seat is ipsilateral is arranged in the outgoing gas connection tube back to side
On tube body, and the axial line of first fixing seat, the second fixing seat is perpendicular with the axial line of the outgoing gas connection tube respectively.
Further, the third fixed seating in on the tube body of the air inlet tube opposite end, and described
The axial line of three fixing seats is parallel with the axial line of the outgoing gas connection tube.
Further, the joining place between the air inlet tube and exhaust inlet pipe is equipped with one along tube body direction of axis line arc
The spoiler that shape extends.
Further, the spoiler outer surface is equipped with multiple protrusions.
Beneficial effect
The utility model compared with prior art, has the advantage that are as follows:
1, the inlet manifold of the utility model, it is compact-sized, convenient for assembly, eliminate the mounting bracket and connection of EGR valve
Steel pipe reduces number of parts and cost, and the gas of Recycling is enable to be sufficiently mixed with fresh air, have it is small in size,
Occupy the feature that engine space is small, suitability is strong, integration degree is high and cost performance is high;
2, the utility model is by being integrally disposed in air inlet for the fixing seat of the components such as relay, harness, sensor
On manifold, the reasonably optimizing components mounting arrangement of engine keeps the integral layout of engine more compact, reasonable, realizes
The purpose of inlet manifold functional diversities;
3, the utility model, can be further by adding spoiler in the joining place of gas inlet and FAI Fresh Air Intake
It is sufficiently mixed exhaust gas with fresh air, helps to improve the efficiency of combustion of engine;
4, the internal diameter of air inlet tube is also set smaller than the internal diameter of tube body by the utility model, and fresh air is made to enter tube body
After buffered, to reduce gas flow rate, further increase exhaust gas and fresh air mixed effect.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model;
Fig. 2 is the schematic view of the front view of the utility model;
Fig. 3 is the right side structural representation of the utility model.
Wherein: 1- tube body, 2- air inlet tube, 3- outgoing gas connection tube, 4- mounting base, the first fixing seat of 5-, the second fixing seat of 6-,
7- third fixing seat, 8- rectangular flange, 9- triangle flange, 10- spoiler, 11- protrusion, 41- diamond shape flange, 42- exhaust gas into
Tracheae.
Specific embodiment
Specific embodiment in reference to the accompanying drawing is described further the utility model.
Refering to fig. 1 shown in -3, a kind of inlet manifold of engine of the utility model, including tube body 1, it is in a strip
Blank pipe, is equipped with air inlet tube 2 in 1 one end of tube body, provides gas passage for fresh air, is equipped with multiple outlets in 1 side of tube body
Adapter tube 3, it is also integrally disposed on the tube body 1 above air inlet tube 2 to there is what is communicated therewith to be used to install for gas to be discharged
The mounting base 4 of EGR valve, the EGR control valve in egr system is mountable in the mounting base 4, reduces the support of support EGR valve
Meter is set up, is entered in tube body 1 by EGR treated exhaust gas by EGR valve and mounting base 4, wherein exhaust gas mounting base can be made
Y-shaped arrangement between 4 and tube body 1, air inlet tube 2, can be such that exhaust gas and fresh air is sufficiently mixed, and mounting base 4 includes water chestnut
Shape flange 41 and the exhaust inlet pipe 42 for connecting the diamond shape flange 41 with tube body 1, EGR valve are mounted on diamond shape flange 41, just
While production, the connection reliability of EGR valve is also advantageously improved;It is also integrally disposed on tube body 1 to have for installing air
First fixing seat 5 of sensor, the second fixing seat 6 for installation wiring, the third fixing seat 7 for installing relay are closed
Reason optimizes the components mounting arrangement of engine, keeps the integral layout of engine more compact, reasonable, realizes inlet manifold function
The diversified purpose of energy, also, tube body 1 and air inlet tube 2, outgoing gas connection tube 3, mounting base 4, the first fixing seat 5, the second fixing seat
6, it is integrally formed structures between third fixing seat 7, while convenient for production, the rigidity for substantially increasing inlet manifold is strong
Degree.The inlet manifold of the utility model, it is compact-sized, convenient for assembly, eliminate the mounting bracket and joint steel pipe of EGR valve, subtract
Number of parts and cost are lacked, the gas of Recycling are enable to be sufficiently mixed with fresh air, there is small in size, occupancy to start
The feature that machine space is small, suitability is strong, integration degree is high and cost performance is high.
Preferably, air inlet tube 2 is the adapter tube of cone-shaped, and diameter minimum one end of the shaped Nozzles is connect with tube body 1,
And the internal diameter of the shaped Nozzles is less than the internal diameter of tube body 1, is buffered after so that fresh air is entered tube body, to reduce gas stream
Speed further increases exhaust gas and fresh air mixed effect;It is equipped with rectangular flange 8 in 2 lateral ends of air inlet tube, correspondingly,
Each 3 lateral ends of outgoing gas connection tube are equipped with triangle flange 9, convenient for connecting with the other pipelines of engine;Its air inlet tube 2
Axial line is parallel with the axial line of tube body 1, and the axial line of the axial line and tube body 1 of outgoing gas connection tube 3 is perpendicular;First fixing seat
5 and second the ipsilateral outgoing gas connection tube 3 that is arranged in of fixing seat 6 back on the tube body 1 of side, and the first fixing seat 5, the second fixing seat 6
Axial line it is perpendicular with the axial line of outgoing gas connection tube 3 respectively;Third fixing seat 7 is located at the pipe with 2 opposite end of air inlet tube
On body 1, and the axial line of third fixing seat 7 is parallel with the axial line of outgoing gas connection tube 3, reasonably optimizing the first fixing seat 5,
The position of two fixing seats 6 and third fixing seat 7, the problem of avoiding the occurrence of interference;Between air inlet tube 2 and exhaust inlet pipe 42
Joining place be equipped with one along 1 direction of axis line arc of tube body extend spoiler 10;It is equipped in 10 outer surface of spoiler multiple
Protrusion 11, further can be such that exhaust gas is sufficiently mixed with fresh air, help to improve the efficiency of combustion of engine.
Above-described is only preferred embodiments of the present invention, it should be pointed out that is come for those skilled in the art
It says, under the premise of not departing from the utility model structure, several modifications and improvements can also be made, these all will not influence this reality
With the effect and patent practicability of novel implementation.
Claims (8)
1. a kind of inlet manifold of engine, including tube body (1), the tube body (1) one end is equipped with air inlet tube (2), described
Tube body (1) side be equipped with multiple outgoing gas connection tubes (3), which is characterized in that on the tube body (1) above the air inlet tube (2) also
It is integrally disposed to have the mounting base (4) for being used to install EGR valve communicated therewith, the mounting base (4) and tube body (1), air inlet connecting
Manage Y-shaped arrangement between (2), the mounting base (4) includes diamond shape flange (41) and by the diamond shape flange (41) and tube body (1)
The exhaust inlet pipe (42) of connection;Also integrally disposed first had for installing air borne sensor is fixed on the tube body (1)
Seat (5), the second fixing seat (6) for installation wiring, the third fixing seat (7) for installing relay, the tube body (1)
It is solid with the air inlet tube (2), outgoing gas connection tube (3), mounting base (4), the first fixing seat (5), the second fixing seat (6), third
Reservation is integrally formed structures between (7).
2. a kind of inlet manifold of engine according to claim 1, which is characterized in that the air inlet tube (2) is
Diameter minimum one end of the adapter tube of cone-shaped, the shaped Nozzles is connect with tube body (1), and the internal diameter of the shaped Nozzles is less than tube body
(1) internal diameter.
3. a kind of inlet manifold of engine according to claim 1, which is characterized in that the air inlet tube (2) is outside
Side one end is equipped with rectangular flange (8), correspondingly, each outgoing gas connection tube (3) lateral ends are equipped with triangle flange (9).
4. a kind of inlet manifold of engine according to claim 1, which is characterized in that the axis of the air inlet tube (2)
Heart line is parallel with the axial line of the tube body (1), the axial line of the outgoing gas connection tube (3) and the axial line of the tube body (1)
It is perpendicular.
5. a kind of inlet manifold of engine according to claim 1, which is characterized in that first fixing seat (5)
With the ipsilateral outgoing gas connection tube (3) that is arranged in of the second fixing seat (6) back on the tube body (1) of side, and first fixing seat
(5), the axial line of the second fixing seat (6) is perpendicular with the axial line of the outgoing gas connection tube (3) respectively.
6. a kind of inlet manifold of engine according to claim 1, which is characterized in that the third fixing seat (7)
Positioned at on the tube body (1) of the air inlet tube (2) opposite end, and the axial line of the third fixing seat (7) and it is described go out
The axial line that gas takes over (3) is parallel.
7. a kind of inlet manifold of engine described in any one of -6 according to claim 1, which is characterized in that the air inlet
The joining place taken between (2) and exhaust inlet pipe (42) is equipped with a spoiler extended along tube body (1) direction of axis line arc
(10)。
8. a kind of inlet manifold of engine according to claim 7, which is characterized in that described spoiler (10) appearance
Face is equipped with multiple raised (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821609160.6U CN208793131U (en) | 2018-09-30 | 2018-09-30 | A kind of inlet manifold of engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821609160.6U CN208793131U (en) | 2018-09-30 | 2018-09-30 | A kind of inlet manifold of engine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208793131U true CN208793131U (en) | 2019-04-26 |
Family
ID=66211375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821609160.6U Active CN208793131U (en) | 2018-09-30 | 2018-09-30 | A kind of inlet manifold of engine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208793131U (en) |
-
2018
- 2018-09-30 CN CN201821609160.6U patent/CN208793131U/en active Active
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