CN203670032U - Connecting device for connecting EGR pipe with air intake manifold and air intake manifold assembly - Google Patents
Connecting device for connecting EGR pipe with air intake manifold and air intake manifold assembly Download PDFInfo
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- CN203670032U CN203670032U CN201320670858.XU CN201320670858U CN203670032U CN 203670032 U CN203670032 U CN 203670032U CN 201320670858 U CN201320670858 U CN 201320670858U CN 203670032 U CN203670032 U CN 203670032U
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- intake manifold
- air inlet
- pivot joint
- connection set
- air intake
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- 230000001276 controlling effect Effects 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000011161 development Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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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- Exhaust-Gas Circulating Devices (AREA)
Abstract
In the prior art, the temperature of EGR gas is usually high, and when the EGR gas enters a manifold through a corrugated pipe, plastic may be molten, so that the application of a plastic air intake manifold in engine development is limited. Therefore, the utility model provides a connecting device for connecting the EGR corrugated pipe with the plastic air intake manifold and an air intake manifold assembly using the connecting device. Due to the structural design of an EGR inlet, direct contact between the EGR gas and the plastic manifold wall is avoided, and the application range of the plastic air intake manifold is enlarged.
Description
Technical field
The present invention relates to motor car engine field inlet manifold assembly, particularly a kind of for connecting the connection set of EGR pipe and intake manifold.
Background technique
In prior art, there is the technical barrier of EGR gas being introduced to plastic air intake manifold, be that EGR gas temperature is too high, if directly introduce plastic air intake manifold, may cause plastic molting, make thus plastic air intake manifold exist in the R&D process of motor and use narrow limitation.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of for connecting the connection set of EGR pipe and intake manifold and using its inlet manifold assembly, Melting Problem may occur when avoiding high temperature EGR gas to enter plastic air intake manifold.
In order to address the above problem, according to a first aspect of the invention, provide a kind of and comprise air inlet duct for connecting the connection set of EGR pipe and intake manifold, also comprise: the top board of being located at described air inlet duct top; One end that described air inlet duct is provided with described top board offers air outlet; And surround vertically the sheath of described air inlet duct.
Alternatively, for connecting the connection set of EGR pipe and intake manifold, also comprise the seal washer that is surrounded on described sheath as the aforementioned.
Alternatively, for connecting the connection set of EGR pipe and intake manifold, one end that described air inlet duct is provided with described top board offers two described air outlets as the aforementioned.
According to another aspect of the present invention, also provide a kind of inlet manifold assembly, comprise intake manifold variable cross section device, throttle body, also comprises as the aforementioned for connecting the connection set of EGR pipe and intake manifold; Described intake manifold variable cross section device, throttle body becomes one for the connection set that is connected EGR pipe and intake manifold with described.
Alternatively, in inlet manifold assembly, described intake manifold variable cross section device comprises as the aforementioned: air inlet adjustment part, is used for regulating the circulation area of intake manifold; Power transfering part, is flexibly connected with air inlet adjustment part; Eddy current final controlling element, is flexibly connected with power transfering part.
Alternatively, in inlet manifold assembly, described air inlet adjustment part comprises axle and valve block as the aforementioned; Described axle one end and power transfering part pivot joint, the other end and valve block riveted joint; Described valve block has the primary importance of the intake manifold of closing and opens the second place of intake manifold completely, the arbitrary position of described valve plate movement between described primary importance and the described second place.
Alternatively, in inlet manifold assembly, described air inlet adjustment part also comprises cover plate as the aforementioned, and described cover plate is sheathed on outside described axle.
Alternatively, in inlet manifold assembly, described power transfering part comprises the drive link of pivot joint in turn as the aforementioned, follower link and swing arm; Described drive link and the pivot joint of described eddy current final controlling element; Described swing arm and described air inlet adjustment part pivot joint.
Alternatively, in inlet manifold assembly, described power transfering part comprises the drive link of pivot joint in turn as the aforementioned, follower link and swing arm; Described drive link and the pivot joint of described eddy current final controlling element; Described swing arm and described axle pivot joint.
According to of the present invention for connecting the connection set of EGR pipe and intake manifold, by top board being set at top, outlet side, and the air outlet surrounding by top board and outlet side, EGR high-temperature gas is entering plastic air intake manifold to side deflection again through after the stopping of top board, effectively avoid EGR high-temperature gas directly to contact with the tube wall of plastic air intake manifold, thereby avoided the problem of plastic air intake manifold fusing.
Brief description of the drawings
Fig. 1 is the structural representation of bellows and plastic air intake manifold connection set,
Fig. 2 is the structure exploded perspective view of bellows and plastic air intake manifold connection set,
Fig. 3 is the structural representation of inlet manifold assembly,
Fig. 4 is the perspective view of inlet manifold assembly,
Fig. 5 is the fundamental diagram of inlet manifold assembly, and
Fig. 6 is the structural representation of intake manifold variable cross section device.
Embodiment
Explain with reference to the accompanying drawings the specific embodiment of the present invention.
It is the structure of the connection set for being connected EGR pipe and intake manifold that Fig. 1 shows with Fig. 2, comprises air inlet duct 11 for the connection set 1 that connects EGR pipe and intake manifold; Wherein the top of air inlet duct 11 is provided with top board 13, and top board 13 is connected with the side of air inlet duct 11, and offers air outlet; EGR high-temperature gas enters after the connection set 1 for connecting EGR pipe and intake manifold, can be stopped by top board 13, then flow out bending air outlet from the side, so arrange and avoided EGR high-temperature gas directly to contact with plastic air intake manifold, and then avoided plastic air intake manifold generation Melting Problem.In addition, air inlet duct 11 is surrounded by sheath 14 vertically, and sheath 14 makes air inlet duct 11 and plastic air intake manifold isolated, thereby has avoided high temperature conduit to scald the problem of plastic air intake manifold.Outside sheath 14, also around being provided with seal washer 15, further to increase, for connecting, EGR manages and the sealing of the connection set 1 of intake manifold.Inlet flange 16 links together with air inlet duct 11, and inlet flange 16 is connected with bellows flange.
Preferably, the air outlet of offering can be multiple, is so arranged to give vent to anger more even, and EGR high-temperature gas and fresh air are fully mixed.
Fig. 3 and Fig. 4 show the structural representation according to inlet manifold assembly of the present invention, and inlet manifold assembly 2 comprises intake manifold body 21 and inlet manifold assembly packing ring 22, and inlet manifold assembly packing ring 22 plays the effect of sealing in inlet manifold assembly 2.Intake manifold variable cross section device 3 is integrated on intake manifold body 21 by fixing bolt 23; Be integrated in intake manifold body 21 for the connection set 1 that connects EGR pipe and intake manifold by determining bolt 24; Throttle body 27 is integrated on intake manifold body 21 by determining bolt 25.By by intake manifold variable cross section device 3, be all integrated in intake manifold body 21 for the connection set 1 and the throttle body 27 that connect EGR pipe and intake manifold, solve part too much, the problem that development cost is larger, and structural configuration compactness, has more reasonably utilized the inner space of motor.
Preferably, between throttle body 27 and intake manifold body 21, be also provided with throttle body packing ring 26, with enhanced leaktightness.
Fig. 5 shows the fundamental diagram of inlet manifold assembly.Under working state, fresh air 271 enters from throttle body 27, and EGR high-temperature gas 301 is from entering for the connection set 1 that connects EGR pipe and intake manifold, and both fully mix in intake manifold body 21, and gas temperature is reduced.
Fig. 6 is the structural representation of intake manifold variable cross section device, intake manifold variable cross section device according to the present invention comprises eddy current final controlling element 31, eddy current final controlling element 31 is fixed on intake manifold body 21 by fixing bolt 23, is connected on the other hand by pin with drive link 32; Drive link 32 is connected with follower link 33 by pin; Follower link 33 is connected with swing arm 34 by pin; Swing arm 34 is connected by Spielpassung with axle 38, and by cover plate 37, axle 38 is carried out spacingly, prevents axle play Shang Xia 38; Cover plate 37 is fixed on intake manifold body 21 by bolt 35; Axle 38 is fixed by rivet with valve block 36; And seal by seal ring 39.
In the time that ECU need to change the flow area of intake manifold according to the difference of engine operation condition, can send corresponding index signal to eddy current final controlling element 31, eddy current final controlling element 31 drives drive link 32, follower link 33 and swing arm 34 pivotables successively, swing arm 34 promotes valve block 36 by axle 38, to regulate the angle of swing of valve block 36, thereby reach the object of the flow area that changes intake manifold.
Use the eddy current final controlling element 31 ECU control signal of responding engine fast, and its motion flexibly, surface friction drag is little, can be according to the angle of swing of ECU instruction accurate control valve block 36.
The workflow of intake manifold variable cross section device is as follows:
In the time of time of engine low speed, ECU sends corresponding signal to eddy current final controlling element 31, described eddy current final controlling element 31 is successively by drive link 32, and follower link 33 and swing arm 34 are with moving axis 38 to move, and described axle 38 changes the angle of swing of valve block 36 to reduce the circulation area of intake manifold;
In the time that high engine speeds turns round, ECU sends corresponding signal to eddy current final controlling element 31, described eddy current final controlling element 31 is successively by drive link 32, and follower link 33 and swing arm 34 are with moving axis 38 to move, and described axle 38 oppositely changes the angle of swing of valve block 36 to increase the circulation area of intake manifold.
As above with reference to the accompanying drawings the specific embodiment of the present invention is described in detail.Remodeling or modification that those skilled in the art can be equal to feature concrete in mode of execution according to the above description, certainly, the mode of execution of these changes also will fall in the protection domain that claims cover.
Claims (9)
1. for connecting a connection set for EGR pipe and intake manifold, comprise air inlet duct, it is characterized in that, also comprise: the top board of being located at described air inlet duct top; One end that described air inlet duct is provided with described top board offers air outlet; And surround vertically the sheath of described air inlet duct.
2. according to claim 1 for connecting, EGR manages and the connection set of intake manifold, it is characterized in that, also comprises the seal washer that is surrounded on described sheath.
3. according to claim 1 and 2 for connecting, EGR manages and the connection set of intake manifold, it is characterized in that, one end that described air inlet duct is provided with described top board offers two described air outlets.
4. an inlet manifold assembly, comprises intake manifold variable cross section device, and throttle body, is characterized in that, also comprise as described in claims 1 to 3 any one for connecting the connection set of EGR pipe and intake manifold; Described intake manifold variable cross section device, throttle body becomes one for the connection set that is connected EGR pipe and intake manifold with described.
5. inlet manifold assembly according to claim 4, is characterized in that, described intake manifold variable cross section device comprises:
Air inlet adjustment part, is used for regulating the actual internal area of intake manifold;
Power transfering part, is flexibly connected with air inlet adjustment part;
Eddy current final controlling element, is flexibly connected with power transfering part.
6. inlet manifold assembly according to claim 5, is characterized in that,
Described air inlet adjustment part comprises axle and valve block;
Described axle one end and power transfering part pivot joint, the other end and valve block riveted joint;
Described valve block has the primary importance of the intake manifold of closing and opens the second place of intake manifold completely, the arbitrary position of described valve plate movement between described primary importance and the described second place.
7. inlet manifold assembly according to claim 6, is characterized in that,
Described air inlet adjustment part also comprises cover plate, and described cover plate is sheathed on outside described axle.
8. inlet manifold assembly according to claim 5, is characterized in that,
Described power transfering part comprises the drive link of pivot joint in turn, follower link and swing arm;
Described drive link and the pivot joint of described eddy current final controlling element;
Described swing arm and described air inlet adjustment part pivot joint.
9. according to the inlet manifold assembly described in claim 6 or 7, it is characterized in that,
Described power transfering part comprises the drive link of pivot joint in turn, follower link and swing arm;
Described drive link and the pivot joint of described eddy current final controlling element;
Described swing arm and described axle pivot joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670858.XU CN203670032U (en) | 2013-10-29 | 2013-10-29 | Connecting device for connecting EGR pipe with air intake manifold and air intake manifold assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670858.XU CN203670032U (en) | 2013-10-29 | 2013-10-29 | Connecting device for connecting EGR pipe with air intake manifold and air intake manifold assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670032U true CN203670032U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320670858.XU Expired - Lifetime CN203670032U (en) | 2013-10-29 | 2013-10-29 | Connecting device for connecting EGR pipe with air intake manifold and air intake manifold assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869110A (en) * | 2018-06-29 | 2018-11-23 | 重庆长安汽车股份有限公司 | A kind of EGR conduit structure being cooperatively connected with plastic air intake manifold |
-
2013
- 2013-10-29 CN CN201320670858.XU patent/CN203670032U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869110A (en) * | 2018-06-29 | 2018-11-23 | 重庆长安汽车股份有限公司 | A kind of EGR conduit structure being cooperatively connected with plastic air intake manifold |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |