CN207598389U - A kind of attachment tube structure of inlet manifold - Google Patents
A kind of attachment tube structure of inlet manifold Download PDFInfo
- Publication number
- CN207598389U CN207598389U CN201721691030.7U CN201721691030U CN207598389U CN 207598389 U CN207598389 U CN 207598389U CN 201721691030 U CN201721691030 U CN 201721691030U CN 207598389 U CN207598389 U CN 207598389U
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- China
- Prior art keywords
- inlet
- bend pipe
- exhaust gas
- inlet manifold
- throat
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- 239000007789 gas Substances 0.000 claims abstract description 74
- 239000002912 waste gas Substances 0.000 claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 9
- 206010022000 influenza Diseases 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims abstract description 4
- 230000008719 thickening Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
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- Exhaust-Gas Circulating Devices (AREA)
Abstract
The utility model is related to a kind of attachment tube structures of inlet manifold, enter pipe and air guide bend pipe including inlet manifold pressure stabilizing cavity, exhaust gas, wherein：Inlet manifold pressure stabilizing cavity is set there are one inlet throat and multiple inlet manifold air flues；Exhaust gas enters pipe and is arranged on inlet throat lateral wall, and lead in inlet throat；Air guide bend pipe is removably disposed in inlet throat, and open at one end forms air guide entrance, which enters pipe with exhaust gas and be connected, axial arranged along inlet throat after other end bending, and equipped with waste gas outlet.Compared with prior art, the utility model has the advantages that air inlet uniformity, easy for installation, applied widely, simple in structure, manufacture cost is low etc..
Description
Technical field
The utility model is related to inlet manifold technical field, more particularly, to a kind of attachment tube structure of inlet manifold.
Background technology
At present, with the continuous of automobile emission regulation plus sternly, the engine of automobile is just towards miniaturization, integrated lightweight
Direction develop, while the technology of some engine emissions that can be reduced also is started increasingly by Main Engine manufacturer and entirely
The attention of machine industry.Key components and parts of the gas car engine inlet manifold as gas handling system, it is integrated in order to meet lightweight
Requirement, it is however generally that, each automobile vendor all can be by crankcase ventilation system, canister adsorption system, gas recirculation system
Interface integration in inlet manifold, and fifty-fifty imported by several air flues of inlet manifold the combustion chamber of engine
It is interior, the burning of engine is participated in air-fuel mixture gas.In order to meet engine emission requirements, engine crankcase will be come from
The machine oil of ventilating system and the mixed gas of engine chamber gas blowby, the fuel-steam from canister adsorption system carry out exhaust gas
The exhaust gas generated during the engine combustion of recirculating system equably imported into the burning of engine via the air flue of inlet manifold
Room becomes important, the gas that particularly exhaust gas recycles more.And the position of this this interface and specific shape all can be right
The uniformity of gas distribution generates vital influence.Because inlet manifold in development process, also needs air throttle method in future
Blue gas is uniformly distributed in each air flue.If so the position of this interface tube is embedded in the trunnion near air throttle
On, and the gas flow into inlet manifold is ensured with being flowed under the gas unanimous circumstances of tracheae air flue from throttle body,
It can better ensure that the gas from interface is flowed uniformly into each cylinder of inlet manifold.
Since the temperature of egr gas is higher, so will generally be given up by a metal tubulation from engine high-temperature
Gas is imported into inlet manifold, is reserved in corresponding mounting hole so one end of metal tube is inserted into inlet manifold, and
An O-ring is used to seal on the set of one end of metal tube；Later by the flange of fixed metal tube one end, thus by metal tube
One end be fixed on mounting hole, prevent it from loosening, specifically, be with screw pass through flange on installation via, flange is consolidated
It is scheduled on the mounting hole of inlet manifold.Such structure design is limited the limitation for the supporting and space that inlet manifold can be provided, periphery
Exhaust gas can only be imported into air inlet discrimination by the limitation of installation space along with flowing to vertical direction from throttle body live gas
Pipe, this design are unfavorable for evenly distributing for exhaust gas.And have to become larger the diameter of conduit to preferably distribute gas, into
And occupy more spaces.
Invention content
The purpose of this utility model is exactly to provide a kind of inlet manifold to overcome the problems of the above-mentioned prior art
Attachment tube structure.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of attachment tube structure of inlet manifold, including：
Inlet manifold pressure stabilizing cavity, if there are one inlet throat and multiple inlet manifold air flues,
Exhaust gas enters pipe, is arranged on inlet throat lateral wall, and lead in inlet throat,
Air guide bend pipe is removably disposed in inlet throat, and open at one end forms air guide entrance, and the air guide entrance is with giving up
Gas enters pipe and is connected, axial arranged along inlet throat after other end bending, and equipped with waste gas outlet.
Preferably, the medial surface of inlet throat is equipped with along inlet throat axial direction and leads to the bend pipe of inlet throat inlet end and lead
Slot, the air guide inlet of air guide bend pipe are arranged with bend pipe guide plate, by the way that bend pipe guide plate is slipped into bend pipe guide groove, realize air guide bend pipe
With being detachably connected for inlet throat, and air guide entrance is made to enter pipe with exhaust gas and is connected.
Preferably, the bend pipe guide plate is in arc sheet, and the thinning formation bend pipe sliding rail of both side ends of bend pipe guide plate is described
Inlet throat side wall enter pipe junction in exhaust gas and be equipped with thickening part outwardly, bend pipe guide groove is arranged on thickening part, section shape
The cross sectional shape of shape and bend pipe guide plate matches.
Preferably, air guide bend pipe is equipped with one end of waste gas outlet towards the inlet end of inlet throat, and equipped with capping, institute
The waste gas outlet stated be equipped with it is multiple, on the side wall at the end for being circumferentially distributed in air guide bend pipe.
Preferably, the inlet end of the inlet throat is equipped with the inlet manifold throttle flange to match with the end, into
Gas manifold throttle flange is equipped with throttle flange seal groove, and being equipped with throttle flange in throttle flange seal groove seals
Circle.
Preferably, the inlet end that the exhaust gas enters pipe forms exhaust gas entrance, exhaust gas enters the both sides of pipe in open-like shape
Equipped with fixing screwed hole.
Preferably, the inlet end that the exhaust gas enters pipe is in ozzle shape.
The operation principle of the utility model is：
For from gas flow, the live gas from air filter enters via air throttle in the induction stroke of engine
To its junction with inlet manifold throttle flange, later after inlet throat, into inlet manifold pressure stabilizing cavity, Ran Houjun
Multiple inlet manifold air flues are entered evenly；From gas recirculation system, crankcase ventilation system and canister adsorption system
The exhaust gas entrance that exhaust gas is first entered pipe by exhaust gas enters, and later by air guide entrance, and changes gas flow by air guide bend pipe
Afterwards, inlet throat is flowed by multiple waste gas outlets, is arranged in after inlet manifold pressure stabilizing cavity as live gas uniformly flows into
Multiple inlet manifold air flues.
From a structural point, the air guide bend pipe of the utility model is installed together by bend pipe guide plate and bend pipe guide groove, and
And it after inlet manifold installs air throttle, is crushed on the mounting plane of throttle flange, realizes fixation.
Compared with prior art, the utility model has the advantages that：
(1) air inlet uniformity：The structure of the utility model changes the airintake direction of exhaust gas by intake elbow, in favor of into
Gas uniformity can be adapted for the exhaust gas of any direction importing.
(2) it is easy for installation：Intake elbow is encased in by the guide groove and guide plate structure of the utility model in a manner of more easy
On inlet manifold.
(3) use scope is wide：It can adapt to the exhaust gas from different system by the structure type of exhaust gas entrance and lead herein
Enter.Both fixing screwed hole can be used, by threaded screw, gas recirculation system, crankcase ventilation system and carbon will be come from
The exhaust gas metal tube or hard tube of tank adsorption system are fixed on exhaust gas entrance, can also be led to by exhaust gas entrance using after ozzle
It crosses clip and secures the hose on ozzle or lead to fast connection interface by hose clamp on exhaust gas entrance.
(4) it is simple in structure：The utility model is by the process that air throttle is installed to inlet manifold, dexterously to air guide bend pipe
Final fixation is carried out.
(5) it manufactures at low cost：Since air guide bend pipe is to install in inlet manifold in the later stage, therefore plastics or metal may be used
Material is manufactured, and can be processed into standard component according to demand, more to reduce generation manufacture cost.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the partial exploded view of the utility model；
Fig. 3 is the schematic cross-section of the air guide bend pipe of the utility model.
In figure, 1 is inlet manifold throttle flange, and 2 be inlet manifold pressure stabilizing cavity, and 3 be inlet manifold air flue, and 4 be air inlet
Manifold air flue, 5 be air guide entrance, and 6 be throttle flange sealing ring, and 7 be fixing screwed hole, and 8 be throttle flange seal groove, 9
It is bend pipe guide groove for bend pipe sliding rail, 10,11 be waste gas outlet, and 12 be air guide bend pipe, and 13 be inlet throat, and 14 be bend pipe guide plate,
15 be capping.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
A kind of attachment tube structure of inlet manifold as shown in Figures 1 to 3, enters pipe 4 including inlet manifold pressure stabilizing cavity 2, exhaust gas
With air guide bend pipe 12, wherein：Inlet manifold pressure stabilizing cavity 2 is set there are one inlet throat 13 and multiple inlet manifold air flues 3；Exhaust gas into
Enter pipe 4 to be arranged on 13 lateral wall of inlet throat, and lead in inlet throat 13；Air guide bend pipe 12 is removably disposed in air inlet
In trunnion 13, open at one end forms air guide entrance 5, which enters pipe 4 with exhaust gas and be connected, edge after other end bending
Inlet throat 13 is axial arranged, and equipped with waste gas outlet 11.
In the present embodiment, the medial surface of inlet throat 13 is equipped with along 13 axial direction of inlet throat and leads to 13 air inlet of inlet throat
The bend pipe guide groove 10 at end is arranged with bend pipe guide plate 14 at the air guide entrance 5 of air guide bend pipe 12, curved by the way that bend pipe guide plate 14 is slipped into
Pipe guide groove 10, realization air guide bend pipe 12 are detachably connected, and air guide entrance 5 is made to enter 4 phase of pipe with exhaust gas with inlet throat 13
Connection.Bend pipe guide plate 14 is in arc sheet, and the both side ends of bend pipe guide plate 14 are thinning to form bend pipe sliding rail 9,13 side wall of inlet throat
Enter 4 junction of pipe equipped with thickening part outwardly in exhaust gas, bend pipe guide groove 10 is arranged on thickening part, cross sectional shape and bend pipe guide plate
14 cross sectional shape matches.
In the present embodiment, air guide bend pipe 12 is equipped with one end of waste gas outlet 11 towards the inlet end of inlet throat 13, and
Equipped with capping 15, waste gas outlet 11 be equipped with it is multiple, on the side wall at the end for being circumferentially distributed in air guide bend pipe 12.It is set by above-mentioned
The airintake direction for changing exhaust gas is put, in favor of intake uniformity, can be adapted for the exhaust gas of any direction importing.
In the present embodiment, the inlet end of inlet throat 13 is equipped with the inlet manifold throttle flange 1 to match with the end, into
Gas manifold throttle flange 1 is equipped with throttle flange seal groove 8, and it is close to be equipped with throttle flange in throttle flange seal groove 8
Seal 6.After inlet manifold installs air throttle, it is crushed on the mounting plane of throttle flange (attached to be not shown in figure), it is real
Fixation is showed.
In the present embodiment, exhaust gas enters the inlet end of pipe 4 in open-like shape, forms exhaust gas entrance, exhaust gas enters the both sides of pipe 4
Equipped with fixing screwed hole 7, by threaded screw, gas recirculation system, crankcase ventilation system and canister absorption system will be come from
The exhaust gas metal tube or hard tube of system are fixed on exhaust gas entrance.The inlet end that exhaust gas enters pipe 4 can also be in ozzle shape, pass through
Clip is secured the hose on ozzle.Specifically can flexibly it be selected according to service condition.
The above-mentioned description to embodiment is for ease of ordinary skill in the art to understand and use the invention.It is ripe
The personnel for knowing art technology obviously can easily make these embodiments various modifications, and general original described herein
It ought to use in other embodiment without having to go through creative labor.Therefore, the utility model is not limited to the above embodiments, this
Field technology personnel announcement according to the present utility model, does not depart from improvement that the utility model scope made and modification all should
It is within the protection scope of the utility model.
Claims (7)
1. a kind of attachment tube structure of inlet manifold, which is characterized in that including：
Inlet manifold pressure stabilizing cavity (2), if there are one inlet throat (13) and multiple inlet manifold air flues (3), exhaust gas enters pipe
(4), it is arranged on inlet throat (13) lateral wall, and leads in inlet throat (13), air guide bend pipe (12) is removably disposed
In inlet throat (13), open at one end forms air guide entrance (5), which enters pipe (4) with exhaust gas and be connected,
It is axial arranged along inlet throat (13) after other end bending, and equipped with waste gas outlet (11).
2. a kind of attachment tube structure of inlet manifold according to claim 1, which is characterized in that inlet throat (13) it is interior
Side is equipped with along inlet throat (13) axial direction and leads to the bend pipe guide groove (10) of inlet throat (13) inlet end, air guide bend pipe (12)
Air guide entrance (5) at be arranged with bend pipe guide plate (14), by the way that bend pipe guide plate (14) slipped into bend pipe guide groove (10), realize air guide
Bend pipe (12) is detachably connected with inlet throat (13), and air guide entrance (5) is made to enter pipe (4) with exhaust gas and is connected.
A kind of 3. attachment tube structure of inlet manifold according to claim 2, which is characterized in that the bend pipe guide plate
(14) in arc sheet, the both side ends of bend pipe guide plate (14) are thinning to form bend pipe sliding rail (9), the inlet throat (13) side wall
Enter pipe (4) junction equipped with thickening part outwardly in exhaust gas, bend pipe guide groove (10) is arranged on thickening part, cross sectional shape and bend pipe
The cross sectional shape of guide plate (14) matches.
4. the attachment tube structure of a kind of inlet manifold according to claim 1, which is characterized in that air guide bend pipe is set on (12)
There is one end of waste gas outlet (11) towards the inlet end of inlet throat (13), and equipped with capping (15), the waste gas outlet
(11) equipped with multiple, on the side wall at the end for being circumferentially distributed in air guide bend pipe (12).
A kind of 5. attachment tube structure of inlet manifold according to claim 1, which is characterized in that the inlet throat
(13) inlet end is equipped with the inlet manifold throttle flange (1) to match with the end, and inlet manifold throttle flange is set on (1)
There is throttle flange seal groove (8), throttle flange sealing ring (6) is equipped in throttle flange seal groove (8).
6. the attachment tube structure of a kind of inlet manifold according to claim 1, which is characterized in that the exhaust gas enters pipe
(4) inlet end is in open-like shape, forms exhaust gas entrance, and the both sides that exhaust gas enters pipe (4) are equipped with fixing screwed hole (7).
7. the attachment tube structure of a kind of inlet manifold according to claim 1, which is characterized in that the exhaust gas enters pipe
(4) inlet end is in ozzle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721691030.7U CN207598389U (en) | 2017-12-07 | 2017-12-07 | A kind of attachment tube structure of inlet manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721691030.7U CN207598389U (en) | 2017-12-07 | 2017-12-07 | A kind of attachment tube structure of inlet manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598389U true CN207598389U (en) | 2018-07-10 |
Family
ID=62764389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721691030.7U Expired - Fee Related CN207598389U (en) | 2017-12-07 | 2017-12-07 | A kind of attachment tube structure of inlet manifold |
Country Status (1)
| Country | Link |
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| CN (1) | CN207598389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899188A (en) * | 2017-12-07 | 2019-06-18 | 曼胡默尔滤清器（上海）有限公司 | A kind of attachment tube structure of inlet manifold |
-
2017
- 2017-12-07 CN CN201721691030.7U patent/CN207598389U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899188A (en) * | 2017-12-07 | 2019-06-18 | 曼胡默尔滤清器（上海）有限公司 | A kind of attachment tube structure of inlet manifold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20201207 |