CN206801726U - EGR valve structure is integrated on a kind of plastic air intake manifold - Google Patents
EGR valve structure is integrated on a kind of plastic air intake manifold Download PDFInfo
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- CN206801726U CN206801726U CN201720103886.1U CN201720103886U CN206801726U CN 206801726 U CN206801726 U CN 206801726U CN 201720103886 U CN201720103886 U CN 201720103886U CN 206801726 U CN206801726 U CN 206801726U
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- egr valve
- mixing tube
- inlet manifold
- communicating pipe
- egr
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Abstract
The utility model discloses EGR valve structure is integrated on a kind of plastic air intake manifold, positioned at inlet manifold side, EGR valve includes regulating and controlling mechanism, steering mechanism and intake pipe connection, also include EGR mixing tubes, EGR mixing tubes include communicating pipe and the mixing tube with communicating pipe one, and the side wall of communicating pipe is provided with air admission hole so as to connect each branch pipe of inlet manifold, and steering mechanism is located inside mixing tube, regulating and controlling mechanism adjusts the corner of steering mechanism, so as to adjust the air capacity that EGR valve enters inlet manifold；Regulating and controlling mechanism is located between two branch pipes of inlet manifold, and steering mechanism is connected with intake pipe connection by pipeline.It is of the present utility model to be beneficial in that the connecting line for reducing EGR valve and inlet manifold, reduce production cost；Steering mechanism is located in mixing tube, and regulating and controlling mechanism is located between two branch pipes of inlet manifold, reduces cabin space.
Description
Technical field
A kind of inlet manifold technical field is the utility model is related to, EGR valve is integrated on especially a kind of plastic air intake manifold
Structure.
Background technology
Currently, reducing the method for vehicle fuel consumption becomes the emphasis of major car manufactures concern.Its mesolow
Cooling EGR technology is exactly a kind of for effective measure for reducing engine with supercharger fuel consumption, so-called engine with supercharger low pressure
Cooling EGR technology is exactly to enter the waste gas drawn in exhaust prime catalyst converter rear end after burning in special water cooling charge air cooler
Row cooling, mixed after cooling with fresh air and then import booster pressurization, be eventually introduced the process that combustion chamber is burnt again,
The fuel consumption of engine can be significantly reduced by cooling down EGR technology by low pressure.
EGR exhaust temperature after cooling can reach more than 200 ~ 300 °C, if not by EGR exhaust and fresh air
It is pre-mixed and is introduced directly into booster and is pressurized, localized hyperthermia's waste gas will likely causes to damage to the compressor blade of booster
It is bad, while if waste gas and fresh air intersection location air turbulence, cause gas flow resistance to increase, influence waste gas and fresh air
Mixing and distribution, the accuracy of the final combustion efficiency and each cylinder fuel injection for influenceing engine, direct result will cause this
Technology can not play the purpose of drop oil consumption, can also increase oil consumption, and burning deteriorates, and engine performance declines.
At present, Chinese patent notification number CN201778916U, publication date are public for the utility model patent on March 30th, 2011
A kind of engine EGR mixing tube is opened, for engine exhaust to be discharged into air inlet tube, mixing tube is vertical with air inlet tube to be set
Put, and mixing tube is inserted in the hole that the corresponding position of air inlet tube opens up and fixed, mixing tube extends to air inlet tube 1/4
To at 1/2 caliber, the end of mixing tube insertion portion is uniformly arranged multiple mixing pores, and air inlet tube inserts position in mixing tube
The caliber put is more than the caliber of air inlet tube other positions, to avoid the airflow area caused by the insertion of mixing tube from subtracting
It is small.But the device is not easy to machine-shaping, and space-consuming is larger, and gas is not easily formed vortex in hybrid chamber, holds
The mixing for being easily caused helical duct core is uneven so that the power performance of engine does not reach optimum state.
More in order to solve egr system pipeline of the prior art, engine nacelle space-consuming is big, and mixture distribution is uneven
Even deficiency, design and EGR valve structure is integrated on a kind of plastic air intake manifold with regard to necessary.
The content of the invention
The utility model will solve the blank of EGR valve integrated morphology in the prior art, and egr system pipeline is more, engine machine
Cabin space-consuming is big, there is provided EGR valve structure is integrated on a kind of plastic air intake manifold, can reduce enging cabin space, is reduced
EGR valve and induction manifold joint pipe road.
In order to achieve the above object, the utility model uses following technical scheme.
EGR valve structure is integrated on a kind of plastic air intake manifold, positioned at inlet manifold side, EGR valve includes regulating and controlling mechanism, turned
To mechanism and intake pipe connection, in addition to EGR mixing tubes, EGR mixing tubes include communicating pipe and the mixing tube with communicating pipe one,
The side wall of communicating pipe is provided with air admission hole so as to connect each branch pipe of inlet manifold, and steering mechanism is located inside mixing tube, regulates and controls machine
Structure adjusts the corner of steering mechanism, so as to adjust the air capacity that EGR valve enters inlet manifold；Regulating and controlling mechanism is located at inlet manifold
Two branch pipes between, steering mechanism is connected with intake pipe connection by pipeline.
The gaseous mixture two entered by EGR mixing tubes to the branch pipe of inlet manifold is allocated, and reduces EGR valve and air inlet discrimination
The connecting line of pipe, reduce production cost；Steering mechanism is located in mixing tube, regulating and controlling mechanism be located at inlet manifold two branch pipes it
Between, reduce cabin space.
Preferably, mixing tube is located at the position away from inlet manifold air inlet, so as to form the knot of L-shaped with communicating pipe
Structure.Air velocity near inlet manifold air inlet is big, and suction is strong, and mixing tube is advantageous to air inlet discrimination away from inlet manifold air inlet
Gaseous mixture in communicating pipe is drawn onto in the branch pipe of all inlet manifold by pipe, is started so as to ensure that gaseous mixture can be evenly distributed to
In the individual cylinder of machine.
Preferably, the side wall of inlet manifold is provided with positioning screw post, the side of the regulating and controlling mechanism of EGR valve is by positioning spiral shell
Nail is fixed on positioning screw post.Complete to fix, EGR valve is located between the branch pipe of inlet manifold, save the space of enging cabin.
Preferably, each branch pipe of inlet manifold is externally provided with set of shells, the position that set of shells corresponds to air admission hole is provided with extension
Hole, the section of communicating pipe is rectangle.Facilitate the installation of EGR mixing tubes, at the same be easily guaranteed that EGR mixing tubes and inlet manifold it
Between sealing.
Preferably, communicating pipe is more remote from communicating pipe from the one end being connected with mixing tube, it is highly smaller.The height of communicating pipe
Spend the height toward both sides since mixing tube to be gradually reduced, ensure that the mixed airflow quick access near several air admission holes is near, pass through company
Gaseous mixture is evenly distributed in the branch pipe of inlet manifold by the air admission hole in siphunculus, so as to ensure that the burning in cylinder is imitated
Rate approaches, and ensures the stable operation of automobile, extends the life-span of engine.
Preferably, be provided with screw pole in mixing tube, the steering mechanism of EGR valve is fixed on mixed by screw symmetrical above and below
Close on pipe.Complete the integrated fixation of EGR valve.
Preferably, the diameter that the width of communicating pipe is air admission hole adds 1 to 2mm, air admission hole on the downside of mixing tube and mixed
The stop provided with circular arc is raised between closing pipe.Gaseous mixture is obstructed, prevents from having just enter into mixed in EGR mixed connection pipes
Close gas directly to enter in inlet manifold from first air admission hole, be advantageous to gaseous mixture average mark between each branch pipe of inlet manifold
Match somebody with somebody.Facilitate flowing in each air admission hole for gaseous mixture, entered out of air admission hole in corresponding inlet manifold branch pipe.
Preferably, the both sides of mixing tube connection EGR valve position are respectively equipped with some ribs.EGR is provided with mixing tube
Valve, the intensity near mixing tube is strengthened by ribs so as to complete the support to EGR valve.
It is of the present utility model to be beneficial in that：Enging cabin space can be reduced between two branch pipes, reduces EGR valve with entering
The connecting line of gas manifold, reduce production cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 upward view.
In figure：EGR mixing tubes 1 mixing tube, 111 communicating pipe of 11 ribs 12, air admission hole 121 stopped projection
The set of shells 3 of 122 EGR valve, 2 steering mechanism, 21 intake pipe connection, 22 regulating and controlling mechanism, 23 positioning screw post 231 is entered
Gas manifold 4.
Embodiment
The utility model is described further with specific embodiment below in conjunction with the accompanying drawings.
EGR valve structure is integrated on a kind of plastic air intake manifold, positioned at the side of inlet manifold 4, EGR valve 2 includes regulating and controlling mechanism
23rd, steering mechanism 21 and intake pipe connection 22, in addition to EGR mixing tubes 1, EGR mixing tubes 1 include communicating pipe 12 and and communicating pipe
The mixing tube 11 of 12 one, the side wall of communicating pipe 12 are provided with air admission hole 121 so as to connect each branch pipe of inlet manifold 4, turning machine
Structure 21 is located inside mixing tube 11, and regulating and controlling mechanism 23 is regulated and controled using direct current generator, and steering mechanism 21 is adjusted by gear drive
Corner, so as to adjust the air capacity that EGR valve 2 enters inlet manifold 4；Steering mechanism 21 and intake pipe connection 22 pass through pipeline phase
Even.Mixing tube 11 is located at the position away from the air inlet of inlet manifold 4, the i.e. high order end of communicating pipe 12 so as to be formed with communicating pipe 12
L-shaped structure.The side wall of inlet manifold 4 is provided with positioning screw post 231, and the side of the regulating and controlling mechanism of EGR valve 2 passes through positioning screw
It is fixed on positioning screw post 231, so as to which regulating and controlling mechanism 23 is located between two branch pipes of inlet manifold 4.Each of inlet manifold 4
Pipe is externally provided with set of shells 3, and the position of the corresponding air admission hole 121 of set of shells 3 is provided with elongated hole, and the section of communicating pipe 12 is rectangle.
Communicating pipe 12 is more remote from communicating pipe 12 from the high order end being connected with mixing tube 11, highly smaller.Screw is provided with mixing tube 11
Post, the steering mechanism of EGR valve 2 are fixed on mixing tube 11 by screw symmetrical above and below, and EGR valve 2 is connected with mixing tube 11
Screw is nearby provided with symmetrical ribs 111, strengthens the reliability of mode connects for screw.EGR mixing tubes 1 are integral by the way of mold
Shaping.EGR mixing tubes 1 and the downside wall that inlet manifold 4 is bonded stretch out 2mm, increase EGR mixing tubes 1 and inlet manifold 4
Connection area.The width of communicating pipe 12 is that the diameter of air admission hole 121 adds 2mm, the air admission hole 121 of the downside of mixing tube 11 and mixing
The stop projection 122 of circular arc is provided between pipe.The both sides that mixing tube 11 connects the position of EGR valve 2 are respectively equipped with three compositions pair
Ribs 111.
Claims (8)
1. integrating EGR valve structure on a kind of plastic air intake manifold, positioned at inlet manifold side, EGR valve includes regulating and controlling mechanism, turned to
Mechanism and intake pipe connection, it is characterized in that, in addition to EGR mixing tubes, EGR mixing tubes include communicating pipe and with communicating pipe one
Mixing tube, the side wall of communicating pipe are provided with air admission hole so as to connect each branch pipe of inlet manifold, and steering mechanism is located inside mixing tube,
Regulating and controlling mechanism adjusts the corner of steering mechanism, so as to adjust the air capacity that EGR valve enters inlet manifold；Regulating and controlling mechanism be located at into
Between two branch pipes of gas manifold, steering mechanism is connected with intake pipe connection by pipeline.
2. EGR valve structure is integrated on plastic air intake manifold according to claim 1, it is characterized in that, the mixing tube is located at
Position away from inlet manifold air inlet, so as to form L-shaped structure with communicating pipe.
3. EGR valve structure is integrated on plastic air intake manifold according to claim 1, it is characterized in that, the inlet manifold
Side wall is provided with positioning screw post, and the side of the regulating and controlling mechanism of EGR valve is fixed on positioning screw post by positioning screw.
4. EGR valve structure is integrated on plastic air intake manifold according to claim 1, it is characterized in that, the inlet manifold
Each branch pipe is externally provided with set of shells, and the position that set of shells corresponds to air admission hole is provided with elongated hole, and the section of communicating pipe is rectangle.
5. integrate EGR valve structure on the plastic air intake manifold according to claim 1 or 4, it is characterized in that, the communicating pipe from
One end being connected with mixing tube is more remote from communicating pipe, highly smaller.
6. EGR valve structure is integrated on plastic air intake manifold according to claim 1, it is characterized in that, set in the mixing tube
There is screw pole, the steering mechanism of EGR valve is fixed on mixing tube by screw symmetrical above and below.
7. EGR valve structure is integrated on plastic air intake manifold according to claim 1, it is characterized in that, the width of the communicating pipe
Degree is that the diameter of air admission hole adds 1 to 2mm, and the stop that circular arc is provided between the air admission hole and mixing tube on the downside of mixing tube is convex
Rise.
8. EGR valve structure is integrated on plastic air intake manifold according to claim 1, it is characterized in that, the mixing tube connection
The both sides of EGR valve position are respectively equipped with some ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103886.1U CN206801726U (en) | 2017-01-25 | 2017-01-25 | EGR valve structure is integrated on a kind of plastic air intake manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103886.1U CN206801726U (en) | 2017-01-25 | 2017-01-25 | EGR valve structure is integrated on a kind of plastic air intake manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801726U true CN206801726U (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720103886.1U Active CN206801726U (en) | 2017-01-25 | 2017-01-25 | EGR valve structure is integrated on a kind of plastic air intake manifold |
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| CN (1) | CN206801726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812634A (en) * | 2017-01-25 | 2017-06-09 | 宁波神通模塑有限公司 | Integrated EGR valve structure on a kind of plastic air intake manifold |
-
2017
- 2017-01-25 CN CN201720103886.1U patent/CN206801726U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812634A (en) * | 2017-01-25 | 2017-06-09 | 宁波神通模塑有限公司 | Integrated EGR valve structure on a kind of plastic air intake manifold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315408 No. 788 Tanjialing West Road, Lanjiang Street, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Shentong Science and Technology Group Co., Ltd. Address before: 315408 788 Tanjialing West Road, Yuyao City, Ningbo City, Zhejiang Province Patentee before: Ningbo Shentong Mould & Plastic Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315408 No. 788 Tanjialing West Road, Lanjiang Street, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Shentong Science and Technology Group Co., Ltd. Address before: 315408 788 Tanjialing West Road, Yuyao City, Ningbo City, Zhejiang Province Patentee before: Ningbo Shentong Mould & Plastic Co., Ltd. |
|
| CP03 | Change of name, title or address |