CN108223051A - Automobile integrated form cylinder head cover - Google Patents
Automobile integrated form cylinder head cover Download PDFInfo
- Publication number
- CN108223051A CN108223051A CN201711493658.0A CN201711493658A CN108223051A CN 108223051 A CN108223051 A CN 108223051A CN 201711493658 A CN201711493658 A CN 201711493658A CN 108223051 A CN108223051 A CN 108223051A
- Authority
- CN
- China
- Prior art keywords
- integrated form
- cylinder head
- form cylinder
- head cover
- automobile integrated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/0011—Breather valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0021—Construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0461—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a labyrinth
Abstract
The invention discloses a kind of automobile integrated form cylinder head covers, and including housing ontology and Pcv valve, the Pcv valve includes valve seat and the connector with valve base sealing cooperation, the valve seat and this body by integral forming of housing；The automobile integrated form cylinder head cover of the present invention, valve seat and this body by integral forming of housing, housing ontology and Pcv valve are provided by the same producer, it is ensured that Pcv valve and the matched well of housing ontology improve the validity of bent axle ventilating system；In addition, carrying out quality control by the single producer, solve that analysis and control can be facilitated during relevant issues (experiment or quality problems)；Simultaneously as valve seat integrated form designs, assembly difficulty is reduced, is conducive to the raising of production efficiency.
Description
Technical field
The present invention relates to a kind of engine components, more particularly to a kind of automobile integrated form cylinder head cover.
Background technology
With the fast development of auto industry, automobile exhaust pollution also in getting worse threatens human ecological environment.Such as
What effective improvement automobile emission has become an important subject in world today's environmental protection.At present, with improvement
Engine combustion process becomes one of important technology for reducing motor vehicle exhaust emission pollution for the internal purification technology of core.Work as hair
When motivation works, in cylinder " bypass gases " are had to be scurried into crankcase by cylinder through piston ring, will be trapped in piston and
The oil film and oil droplet of cylinder liner surface bring air-flow into, by gas handling system, burn again into combustion chamber.But since machine oil cannot
Completely burned, the exhaust gas of generation can have a negative impact to environment and discharge instruction, therefore, in order to reduce exhaust gas discharge, it is necessary to
Machine oil is separated from crank case gases.The prior art uses hydromechanical basic theories, in automobile integrated form cylinder cap
Oil and gas separating system, such as inertial impaction formula separator in cover are set, oil gas is detached, reduces exhaust emission, reduces machine
Oil consumption.Gas after Oil-gas Separation needs to enter in inlet manifold by Pcv valve, and existing Pcv valve is independently of housing sheet
The component of body is only attached in assembling, since two components are by independent producer's exploitation, can not often accomplish Pcv valve
With the matched well of housing ontology, the validity of bent axle ventilating system is influenced, and increases assembly difficulty, is unfavorable for production effect
The raising of rate.
It is therefore desirable to existing automobile integrated form cylinder head cover is improved, it is ensured that Pcv valve is good with housing ontology
Good matching, improves the validity of bent axle ventilating system, while reduces assembly difficulty, is conducive to the raising of production efficiency.
Invention content
In view of this, the purpose of the present invention is to provide a kind of automobile integrated form cylinder head covers, it is ensured that Pcv valve and housing sheet
The matched well of body, improves the validity of bent axle ventilating system, while reduces assembly difficulty, is conducive to the raising of production efficiency.
The automobile integrated form cylinder head cover of the present invention, including housing ontology and Pcv valve, the Pcv valve includes valve seat and and valve
The connector of seat sealing cooperation, the valve seat and this body by integral forming of housing.
Further, the valve seat is connected with connector by snap component.
Further, connecting tube is integrally formed at the top of the valve seat, the open top of the connecting tube, bottom are equipped with connection
Hole, the connector coaxially stretch into connecting tube from the opening and are tightly connected；The snap component is included by connection pipe outer wall radially
The catching groove that extends to form and being radially extended from connector outer wall formed with the retaining ring with catching groove.
Further, the both sides in the housing ontology positioned at ignition coil mounting hole are respectively equipped with high pressure disengagement chamber and low pressure
Disengagement chamber is respectively provided in the high pressure disengagement chamber and low pressure disengagement chamber and carries out gas-liquid separation to the air-flow of air-fuel mixture
First Oil-gas Separation component and the second Oil-gas Separation component.
Further, the first Oil-gas Separation component includes the separating plate I equipped with several sorting holes set on gas channel,
Flexible sheet is equipped in the sorting hole.
Further, the first Oil-gas Separation component further includes point for being located at gas outflow side set on the separating plate I
From plate II, the separating plate II meets gas face as sawtooth is distributed with.
Further, the separating plate I is equipped with relief hole.
Further, the both ends of the separating plate I are individually fixed in the both sides cavity wall of high pressure disengagement chamber and the inclination of separating plate I is set
It puts.
Further, the second Oil-gas Separation component is to be detached along airflow direction by the labyrinth type that several blast fences are formed
Modular construction.
Further, the blast fence includes blast fence I and blast fence II, the blast fence I, blast fence II
Fixing end tilt respectively the both sides cavity wall for being integrally formed at low pressure disengagement chamber, free end be directed toward low pressure disengagement chamber center, and
Blast fence I is shifted to install with blast fence II.
Beneficial effects of the present invention：
The automobile integrated form cylinder head cover of the present invention, valve seat and this body by integral forming of housing, housing ontology and Pcv valve are by same
One producer provides, it is ensured that Pcv valve and the matched well of housing ontology improve the validity of bent axle ventilating system；In addition, by
The single producer carries out quality control, solves that during relevant issues (experiment or quality problems) analysis and control can be facilitated；Meanwhile by
It is designed in valve seat integrated form, reduces assembly difficulty, be conducive to the raising of production efficiency.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the vertical view of the present invention；
Fig. 2 is J-J sectional views in Fig. 1；
Fig. 3 is the front view of the present invention；
Fig. 4 is P-P sectional views in Fig. 3；
Fig. 5 is M-M sectional views in Fig. 4.
Specific embodiment
As shown in Figures 1 to 5：The automobile integrated form cylinder head cover of the present embodiment, it is described including housing ontology 1 and Pcv valve
Pcv valve includes valve seat 21 and the connector 22 with the sealing cooperation of valve seat 21, the valve seat 21 are integrally formed with housing ontology 1；Pcv valve
Each modular construction and function it is consistent with the prior art, details are not described herein；Valve seat 21 is integrally formed with housing ontology 1, lid
Cover body 1 and Pcv valve are provided by the same producer, it is ensured that Pcv valve and the matched well of housing ontology 1 improve bent axle and lead to
The validity of wind system；It, can when solving relevant issues (experiment or quality problems) in addition, carry out quality control by the single producer
Facilitate analysis and control；Simultaneously as 21 integrated form of valve seat designs, assembly difficulty is reduced, is conducive to the raising of production efficiency.
In the present embodiment, the valve seat 21 is connected with connector 22 by snap component, is conducive to further improve assembling
Efficiency, and facilitate the dismounting and replacement of connector 22；Specifically, the top of the valve seat 21 is integrally formed with connecting tube 23, institute
State the open top of connecting tube 23, bottom is equipped with intercommunicating pore, the connector 22 coaxially stretches into connecting tube 23 from the opening and seals
Connection；The snap component includes radially extending the catching groove 24 formed by 23 outer wall of connecting tube and be radially extended by 22 outer wall of connector
The retaining ring 25 coordinated with catching groove 24 formed；The top of valve seat 21 is close to connector 22；Connector 22 can be L-shaped；Catching groove 24 is formed
Be buckled fixed bit, while can also install sealing ring；Retaining ring 25 is whole to have elasticity, can be snapped on catching groove 24；This structure
Fit form can make 22 quick assembling of valve seat 21 and connector, while can ensure the airtight of valve seat 21 and 22 bonding station of connector
Property.
In the present embodiment, the both sides in the housing ontology 1 positioned at ignition coil mounting hole 3 are respectively equipped with high pressure disengagement chamber
4 and low pressure disengagement chamber 5, the air-flow progress to air-fuel mixture is respectively provided in the high pressure disengagement chamber 4 and low pressure disengagement chamber 5
The the first Oil-gas Separation component and the second Oil-gas Separation component of gas-liquid separation；Multiple ignition coil mounting holes 3 are arranged in a straight line to be located at
The middle part of housing ontology 1；The structure is suitable for supercharged engine, and high pressure disengagement chamber 4 and low pressure disengagement chamber 5 are in supercharged engine
Different operational modes under independent or cooperation play a role, concrete principle can refer to patent 201520971727.4.
In the present embodiment, the first Oil-gas Separation component includes being equipped with several sorting hole 61a's set on gas channel
Separating plate I 61 is equipped with flexible sheet 62 in the sorting hole 61a；62 expansible of flexible sheet under the pressure of gaseous mixture mixes
It closes gas to come into full contact with separating plate I 61 and flexible sheet 62, Oil-gas Separation is carried out to gaseous mixture by the elastic property of shrapnel；
The both ends of the separating plate I 61 are individually fixed in the both sides cavity wall of high pressure disengagement chamber 4 and separating plate I 61 is obliquely installed, thus
Increase the acting surface of separating plate I 61, improve the efficiency of Oil-gas Separation；In addition, gaseous mixture occurs due to flow velocity is excessive in order to prevent
Retarding effect prevents flexible sheet 62 from overloading and being damaged, and separating plate I 61 is equipped with relief hole 63, can set and let out on relief hole 63
Pressure valve or the opening down setting by relief hole 63, obtain air-fuel mixture amount it is relatively low when, it is not easy to pass through, only pass through elasticity
Diaphragm 62 is detached.
In the present embodiment, the first Oil-gas Separation component is further included is located at gas outflow one set on the separating plate I 61
The separating plate II 64 of side, the separating plate II 64 meet gas face as sawtooth is distributed with；Meet the one side that gas face i.e. air-flow flows into；Saw
Tooth is covered with the structure met gas face, more grooves are consequently formed of separating plate II 64, and what air-flow impinged upon separating plate II 64 meets gas face
When can further carry out Oil-gas Separation；Preferably, separating plate II 64 is parallel to separating plate I 61 and sets, but separating plate II 64
I 61 length of separating plate that length is less than.
In the present embodiment, the second Oil-gas Separation component is the labyrinth type formed along airflow direction by several blast fences
Separation assembly structure；It is simple in structure and preferable for the separating effect of low-pressure air current；Specifically, the blast fence includes gas
Flow baffle I 71 and blast fence II 72, the blast fence I 71, blast fence II 72 fixing end tilt integrally set respectively
The both sides cavity wall of low pressure disengagement chamber 5, the center of free end direction low pressure disengagement chamber 5 are placed in, and blast fence I 71 is kept off with air-flow
Plate II 72 shifts to install, and the gas channel of a plurality of bending is consequently formed, and separative efficiency is high；The valve seat 21 of Pcv valve is located at low pressure point
Air-flow end from chamber 5.
In the present embodiment, the surface of the housing ontology 1 is also provided with wearing layer, to improve its wear-resisting property；It is wear-resisting
Layer may include Zi in pickling layer, epoxy coating, phosphorization membrane and the Ni-Al based alloy coatings set gradually outside, pickling
Matched proportion density can be used as HF in layer:HNO3：H2O=1:1:It is small that 10 acid solution carries out pickling 4~6 when temperature is 60 DEG C~80 DEG C
When, it not only ensure that the cleanliness factor of related components, while hazardous trace elements are had also been made with good processing；Epoxy resin applies
Layer has the characteristics that closely knit, water resistant, anti-leakage are good, intensity is high to alkali and most of solvent-stable, at the same strong adhesive force, can be normal
Temperature operation；Epoxy coating is set on outside pickling layer, can have larger thickness；Phosphorization membrane is one layer of insoluble phosphate
Film (such as can be formed by zinc phosphate solution processing), effective reinforcing member rustless property；Ni-Al based alloy coatings reduce phase
The friction factor between component and the external world is closed, effectively improves its wearability
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail in good embodiment, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (10)
1. a kind of automobile integrated form cylinder head cover, including housing ontology and Pcv valve, the Pcv valve includes valve seat and and valve base sealing
The connector of cooperation, it is characterised in that：The valve seat and this body by integral forming of housing.
2. automobile integrated form cylinder head cover according to claim 1, it is characterised in that：The valve seat passes through buckle group with connector
Part is connected.
3. automobile integrated form cylinder head cover according to claim 2, it is characterised in that：The company of being integrally formed at the top of the valve seat
It takes over, the open top of the connecting tube, bottom are equipped with intercommunicating pore, and the connector coaxially stretches into connecting tube from the opening and seals
Connection；The snap component includes radially extending the catching groove formed by connection pipe outer wall and radially extends what is formed by connector outer wall
With the retaining ring of catching groove cooperation.
4. automobile integrated form cylinder head cover according to any one of claims 1 to 3, it is characterised in that：In the housing ontology
High pressure disengagement chamber and low pressure disengagement chamber, the high pressure disengagement chamber and low pressure point are respectively equipped with positioned at the both sides of ignition coil mounting hole
The first Oil-gas Separation component of gas-liquid separation and the second oil gas point are carried out from the air-flow being respectively provided in chamber to air-fuel mixture
From component.
5. automobile integrated form cylinder head cover according to claim 4, it is characterised in that：The first Oil-gas Separation component includes
Flexible sheet is equipped in the separating plate I equipped with several sorting holes of gas channel, the sorting hole.
6. automobile integrated form cylinder head cover according to claim 5, it is characterised in that：The first Oil-gas Separation component also wraps
The separating plate II for being located at gas outflow side set on the separating plate I is included, the separating plate II meets gas face as sawtooth is distributed with.
7. automobile integrated form cylinder head cover according to claim 5, it is characterised in that：The separating plate I is equipped with relief hole.
8. automobile integrated form cylinder head cover according to claim 5, it is characterised in that：The both ends of the separating plate I are solid respectively
Both sides cavity wall and separating plate I due to high pressure disengagement chamber are obliquely installed.
9. automobile integrated form cylinder head cover according to claim 4, it is characterised in that：The second Oil-gas Separation component is edge
The labyrinth type separation assembly structure that airflow direction is formed by several blast fences.
10. automobile integrated form cylinder head cover according to claim 9, it is characterised in that：The blast fence is kept off including air-flow
Plate I and blast fence II, the blast fence I, blast fence II fixing end tilt be integrally formed at low pressure disengagement chamber respectively
Both sides cavity wall, free end be directed toward the center of low pressure disengagement chamber, and blast fence I is shifted to install with blast fence II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711493658.0A CN108223051A (en) | 2017-12-30 | 2017-12-30 | Automobile integrated form cylinder head cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711493658.0A CN108223051A (en) | 2017-12-30 | 2017-12-30 | Automobile integrated form cylinder head cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108223051A true CN108223051A (en) | 2018-06-29 |
Family
ID=62642235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711493658.0A Pending CN108223051A (en) | 2017-12-30 | 2017-12-30 | Automobile integrated form cylinder head cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223051A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202348469U (en) * | 2011-10-29 | 2012-07-25 | 长城汽车股份有限公司 | Integrated type cylinder head cover of gasoline engine |
| CN103397926A (en) * | 2013-08-15 | 2013-11-20 | 安徽江淮汽车股份有限公司 | Respiratory system of pressurization gasoline engine |
| CN103615296A (en) * | 2013-11-29 | 2014-03-05 | 长城汽车股份有限公司 | Intake manifold integrating oil-gas separation device with PCV, engine and automobile |
| CN205154299U (en) * | 2015-11-30 | 2016-04-13 | 重庆小康工业集团股份有限公司 | Supercharged engine PCV valve |
| CN206309444U (en) * | 2016-12-08 | 2017-07-07 | 浙江义利汽车零部件有限公司 | A kind of Oil-gas Separation assembly structure in engine crankshaft ventilation system |
| CN208294598U (en) * | 2017-12-30 | 2018-12-28 | 重庆小康工业集团股份有限公司 | Engine air cylinder cap |
-
2017
- 2017-12-30 CN CN201711493658.0A patent/CN108223051A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202348469U (en) * | 2011-10-29 | 2012-07-25 | 长城汽车股份有限公司 | Integrated type cylinder head cover of gasoline engine |
| CN103397926A (en) * | 2013-08-15 | 2013-11-20 | 安徽江淮汽车股份有限公司 | Respiratory system of pressurization gasoline engine |
| CN103615296A (en) * | 2013-11-29 | 2014-03-05 | 长城汽车股份有限公司 | Intake manifold integrating oil-gas separation device with PCV, engine and automobile |
| CN205154299U (en) * | 2015-11-30 | 2016-04-13 | 重庆小康工业集团股份有限公司 | Supercharged engine PCV valve |
| CN206309444U (en) * | 2016-12-08 | 2017-07-07 | 浙江义利汽车零部件有限公司 | A kind of Oil-gas Separation assembly structure in engine crankshaft ventilation system |
| CN208294598U (en) * | 2017-12-30 | 2018-12-28 | 重庆小康工业集团股份有限公司 | Engine air cylinder cap |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180629 |