CN109184940A - A kind of engine fission valve mechanism cover - Google Patents
A kind of engine fission valve mechanism cover Download PDFInfo
- Publication number
- CN109184940A CN109184940A CN201811243381.0A CN201811243381A CN109184940A CN 109184940 A CN109184940 A CN 109184940A CN 201811243381 A CN201811243381 A CN 201811243381A CN 109184940 A CN109184940 A CN 109184940A
- Authority
- CN
- China
- Prior art keywords
- valve mechanism
- mechanism cover
- cover
- harness
- lower layer
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 95
- 230000004992 fission Effects 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000011045 prefiltration Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 29
- 238000010586 diagram Methods 0.000 description 4
- 239000010721 machine oil Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
-
- 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
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
A kind of engine fission valve mechanism cover, comprising: filler cap, upper layer valve mechanism cover, upper and lower air cylinders housing connection bolt, sealing ring, gs-oil separator seal cover board, gs-oil separator seal cover board fixing bolt, lower layer's valve mechanism cover, yielding rubber circle, valve mechanism cover install bolt；Upper layer valve mechanism cover connects bolt and sealing ring by upper and lower air cylinders housing and connect with lower layer valve mechanism cover；Lower layer's valve mechanism cover installs bolt by valve mechanism cover and yielding rubber circle is installed on cylinder and covers；Gs-oil separator seal cover board is installed in the valve mechanism cover of upper layer by gs-oil separator seal cover board fixing bolt.Structure of the invention is compact, convenient for disassembly and assembly, housing integrated level is high, the installation of harness is conveniently and efficiently carried out by upper layer valve mechanism cover, lower layer's valve mechanism cover, valve mechanism cover gasket, connection bolt, simultaneously when carrying out conventional maintenance, upper layer valve mechanism cover need to only be dismounted, the number for reducing harness plug, improves the service life of harness.
Description
Technical field
The invention belongs to field of internal combustion engine, are related to a kind of engine fission valve mechanism cover.
Background technique
Currently, continuing to increase with national environmental protection dynamics, emission regulation is also increasingly stringent.Therefore, electronic control technology is answered
With and complicated after-treatment system be diesel engine industry development inexorable trend.And for mating object, more compact hair
Motivation structure is more convenient for carrying out overall design, this just convenience of the compactedness to engine complete machine structure and components installation maintenance
More stringent requirements are proposed for property.
The high pressure co-rail system of engine mainly has the components such as ECU, pump, pipe, mouth composition, and ECU analysis handles each sensing
The data information that device imports, then controls the injection of rail pressure and fuel oil by solenoid valve, and line is leaned in the connection between these components
Beam is realized.Therefore, the arrangement and reliability of harness have very big influence to whole system.Due to oil sprayer wire harness need from
It is introduced inside valve mechanism cover outside valve mechanism cover, so needing to install oil sprayer wire harness plug in valve mechanism cover, for tradition
Integrated cylinder housing for, the installation of harness and fixation are extremely difficult.It, will and when doing conventional maintenance
It first dismantles harness, then opens valve mechanism cover again.Plug so frequent will necessarily shorten the service life of harness, Er Qiehui
Increase the risk of harness installation place gas leak of the oil leakage.On the other hand, due to the entire cylinder head that dismantle when doing conventional maintenance
Cover, this requires to reserve biggish space around engine cylinder cap, to guarantee the dismounting of valve mechanism cover.This is unfavorable for starting
The compactedness of machine complete machine structure causes the size of engine complete machine bigger than normal.In addition, the valve mechanism cover of domestic some producer's designs,
Although what is had uses separate structure, it does not have harness fixed beam and harness mounting wall, so that the stability of harness is poor.
Summary of the invention
In order to overcome the shortcomings of above-mentioned traditional integrated cylinder housing, the purpose of the present invention is to provide a kind of structure is tight
Gather, be convenient for disassembly and assembly, the engine fission valve mechanism cover that housing integrated level is high, i.e., by upper layer valve mechanism cover, lower layer's valve mechanism cover,
Valve mechanism cover gasket, the rational design for connecting bolt conveniently and efficiently carry out the installation of harness, while carrying out conventional maintenance
When maintenance, upper layer valve mechanism cover only need to be dismounted, reduces the number of harness plug, improves the service life of harness.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of engine fission valve mechanism cover, comprising: filler cap, upper layer valve mechanism cover, upper and lower air cylinders housing connection bolt, close
Seal, gs-oil separator seal cover board, gs-oil separator seal cover board fixing bolt, lower layer's valve mechanism cover, yielding rubber circle, gas
Cylinder head cover installs bolt；Upper layer valve mechanism cover connects bolt and sealing ring by upper and lower air cylinders housing and lower layer's valve mechanism cover connects
It connects；Lower layer's valve mechanism cover installs bolt by valve mechanism cover and yielding rubber circle is installed on cylinder and covers；Filler cap
It is installed in the valve mechanism cover of upper layer；Gs-oil separator seal cover board is installed on by gs-oil separator seal cover board fixing bolt
In layer valve mechanism cover.
In the upper layer valve mechanism cover design have oil-gas prefilter installation lug, the fixed lug of gs-oil separator escape pipe and
EGR escape pipe fixes lug.
In lower layer's valve mechanism cover: oil sprayer wire harness is mounted in harness fixation wall by plug, from lower layer's cylinder
Enter inside lower layer's valve mechanism cover outside housing, dredged by three harness fixed beams, has harness solid in harness fixed beam
Determine hole；Lower layer's valve mechanism cover side is provided with rocker head escape groove.
Due to use the above-mentioned technical solution, the present invention can reach it is following the utility model has the advantages that
1. seperated valve mechanism cover uses upper and lower hierarchical design, when General Maintenance, need to only dismount upper layer valve mechanism cover, and required tears open
Dress space is small, the arrangement of other components of the cover top when not only maintaining easily, but also facilitating integrated equipment, while reducing fuel injector
The plug number of wire harness connector, the generation for reducing oil accident, also extend the service life of harness, improve complete machine
Reliability.
2. lower layer's valve mechanism cover design of seperated valve mechanism cover has a harness mounting wall and harness fixed beam, the installation of harness and
It is fixed conveniently reliable.Three harness fixed beams also increase the intensity of valve mechanism cover entirety simultaneously, improve the reliability of component.
3. the upper layer valve mechanism cover lower surface of seperated valve mechanism cover there are vertical and horizontal several reinforcing ribs, valve mechanism cover is increased
Intensity.
4. the entrance and installation lug of oil gas preseparator are integrated in the upper layer valve mechanism cover of seperated valve mechanism cover, wherein
Lug asymmetrical design is installed, anti-loaded oil gas preseparator when can prevent from installing.
5. being integrated with machine oil oil filler and machine oil filler cap, integrated level in the upper layer valve mechanism cover of seperated valve mechanism cover
Height, convenient for the mating application of engine.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of engine fission valve mechanism cover of the present invention；
Fig. 2 is a kind of scheme of installation of engine fission valve mechanism cover of the present invention；
Fig. 3 is a kind of upper layer housing top surface structure schematic diagram of engine fission valve mechanism cover of the present invention；
Fig. 4 is a kind of upper layer housing bottom surface structure schematic diagram of engine fission valve mechanism cover of the present invention；
Fig. 5 is a kind of lower layer's housing structural schematic diagram of engine fission valve mechanism cover of the present invention.
In figure: 1, filler cap；2, upper layer valve mechanism cover；3, upper and lower air cylinders housing connects bolt；4, valve mechanism cover seals
Circle；5, gs-oil separator seal cover board；6, gs-oil separator seal cover board fixing bolt；7, lower layer's valve mechanism cover；8, damping rubber
Cushion rubber；9, valve mechanism cover installs bolt；10, oil-gas prefilter installs lug；11, the fixed lug of gs-oil separator escape pipe；12,
EGR escape pipe fixes lug；13, harness fixed beam；14, harness fixation wall；15, rocker head escape groove；16, harness fixation hole.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and embodiments.As shown in Fig. 1~5:
Upper layer valve mechanism cover 2 connects bolt 3 by ten upper and lower air cylinders housings and lower layer's valve mechanism cover 7 links together, and connects
Reliably；There is the gas mixture of evaporation when engine operation, inside valve mechanism cover, if poorly sealed, it is mixed to will lead to these oil gas
It closes object to enter in atmosphere, while polluting environment, as mixture takes away the lubricating oil of part, leads to the machine oil of engine
Consumption increases, therefore the valve mechanism cover sealing ring 4 installed among upper and lower air cylinders housing, can play the function for preventing gas leak of the oil leakage
Energy.
Upper layer valve mechanism cover 2 and lower layer's valve mechanism cover 7 are pacified by ten valve mechanism cover installation bolts 9 and yielding rubber circle 8
Loaded in cylinder head, because vibration is larger when engine operation, and vibrates will lead to valve mechanism cover installation bolt 9 for a long time
Joint failure and the damage for accelerating valve mechanism cover, and other pipelines are installed above valve mechanism cover, excessive vibration has can
The abrasion of pipeline, therefore the intensity that increased yielding rubber circle 8 can reduce vibration can be will cause, improve components service life and
Reliability.
Filler cap 1 is installed in upper layer valve mechanism cover 2, and integrated level is high, convenient for the mating application of engine；Oil-gas Separation
Device seal cover board 5 is installed in upper layer valve mechanism cover 2 by three gs-oil separator seal cover board fixing bolts 6, engine work
When making, the oil gas of evaporation enters the oil gas being installed in upper layer valve mechanism cover 2 from the entrance of 5 side of gs-oil separator seal cover board
Prefilter, biggish oil droplet are intercepted by filtering, return to oil sump from cylinder head, remaining fine oil droplets are on being installed on body
It is filtered in gs-oil separator, is recycled into oil sump.
Oil sprayer wire harness is mounted in harness fixation wall 14 by plug, and lower layer's gas is entered outside lower layer's valve mechanism cover 7
Inside cylinder head cover 7, there are three harness fixed beams 13 inside lower layer's valve mechanism cover 7, elicitation effect can be played to harness, harness is solid
Determine have harness fixation hole 16 on beam 13, harness can be fixed with installation clip, three harness fixed beams 13 can increase simultaneously
The intensity of strong valve mechanism cover, improves the service life of components；
There are four rocker head escape groove 15 for the setting of 7 side of lower layer's valve mechanism cover, to avoid rocker arm；It is set in upper layer valve mechanism cover 2
The fixed lug 11 of gs-oil separator escape pipe, the fixed lug 12 of EGR escape pipe and two oil-gas prefilter installation lugs 10 are equipped with,
It is asymmetric installation that two of them oil-gas prefilter, which installs lug 10, anti-loaded oil-gas prefilter when can prevent from installing；
There are vertical and horizontal several reinforcing ribs in cylinder head housing 2 lower surface in upper layer, increases the intensity of valve mechanism cover.
The technical concepts and features of above-mentioned specific embodiment only to illustrate the invention, its object is to allow be familiar with this skill
The personage of art can understand the contents of the present invention and be implemented, and can not limit full content of the invention, although referring to before
Stating embodiment, invention is explained in detail, for those skilled in the art, still can be to aforementioned reality
It applies technical solution documented by example and carries out formal modification or equivalent replacement of some of the technical features.It is all
Made form modification, equivalent replacement etc., should be included in rights protection model of the invention within thinking enlightenment of the invention
Within enclosing.
Claims (3)
1. a kind of engine fission valve mechanism cover, comprising: filler cap (1), upper layer valve mechanism cover (2), upper and lower air cylinders housing connect
Connecting bolt (3), sealing ring (4), gs-oil separator seal cover board (5), gs-oil separator seal cover board fixing bolt (6), lower layer
Valve mechanism cover (7), yielding rubber circle (8), valve mechanism cover installation bolt (9)；It is characterized by: upper layer valve mechanism cover (2) passes through
Upper and lower air cylinders housing connection bolt (3) and sealing ring (4) are connect with lower layer's valve mechanism cover (7)；Lower layer's valve mechanism cover (7) passes through gas
Cylinder head cover installation bolt (9) and yielding rubber circle (8) are installed on cylinder and cover；Filler cap (1) is installed on upper layer gas
On cylinder head cover (2)；Gs-oil separator seal cover board (5) is installed on upper layer by gs-oil separator seal cover board fixing bolt (6)
In valve mechanism cover (2).
2. a kind of engine fission valve mechanism cover according to claim 1, it is characterised in that: the upper layer valve mechanism cover
(2) design has oil-gas prefilter installation lug (10), gs-oil separator escape pipe fixed lug (11) and EGR escape pipe to fix on
Lug (12), two oil-gas prefilter installations lug (10) are asymmetric installation.
3. a kind of engine fission valve mechanism cover according to claim 1, it is characterised in that: lower layer's valve mechanism cover
(7) on: oil sprayer wire harness is mounted on harness fixation wall (14) by plug, enters lower layer from lower layer's valve mechanism cover (7) is external
Valve mechanism cover (7) is internal, is dredged by three harness fixed beams (13), harness fixed beam has harness fixation hole on (13)
(16)；Lower layer's valve mechanism cover (7) side is provided with rocker head escape groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243381.0A CN109184940A (en) | 2018-10-24 | 2018-10-24 | A kind of engine fission valve mechanism cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243381.0A CN109184940A (en) | 2018-10-24 | 2018-10-24 | A kind of engine fission valve mechanism cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109184940A true CN109184940A (en) | 2019-01-11 |
Family
ID=64943036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811243381.0A Pending CN109184940A (en) | 2018-10-24 | 2018-10-24 | A kind of engine fission valve mechanism cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109184940A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236395A (en) * | 2021-05-19 | 2021-08-10 | 重庆长安汽车股份有限公司 | Actuator mounting structure of variable valve lift system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201953502U (en) * | 2011-01-28 | 2011-08-31 | 潍坊新海铝业科技有限公司 | Split type cylinder cover hood |
| JP2012097626A (en) * | 2010-11-01 | 2012-05-24 | Kojima Press Industry Co Ltd | Sealing structure between oil separator and cylinder head cover |
| CN202611918U (en) * | 2012-04-18 | 2012-12-19 | 中国第一汽车股份有限公司 | Function-integrated split engine cylinder head cover |
| CN105822452A (en) * | 2016-05-23 | 2016-08-03 | 第拖拉机股份有限公司 | Split type cylinder head cover combination structure used in cooperation with electronic controlled injector |
| CN209100152U (en) * | 2018-10-24 | 2019-07-12 | 第一拖拉机股份有限公司 | A kind of engine fission valve mechanism cover |
-
2018
- 2018-10-24 CN CN201811243381.0A patent/CN109184940A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012097626A (en) * | 2010-11-01 | 2012-05-24 | Kojima Press Industry Co Ltd | Sealing structure between oil separator and cylinder head cover |
| CN201953502U (en) * | 2011-01-28 | 2011-08-31 | 潍坊新海铝业科技有限公司 | Split type cylinder cover hood |
| CN202611918U (en) * | 2012-04-18 | 2012-12-19 | 中国第一汽车股份有限公司 | Function-integrated split engine cylinder head cover |
| CN105822452A (en) * | 2016-05-23 | 2016-08-03 | 第拖拉机股份有限公司 | Split type cylinder head cover combination structure used in cooperation with electronic controlled injector |
| CN209100152U (en) * | 2018-10-24 | 2019-07-12 | 第一拖拉机股份有限公司 | A kind of engine fission valve mechanism cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236395A (en) * | 2021-05-19 | 2021-08-10 | 重庆长安汽车股份有限公司 | Actuator mounting structure of variable valve lift system |
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| Date | Code | Title | Description |
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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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shang Tansu Inventor after: Zhou Haisong Inventor after: Wang Longlong Inventor after: Wei Mingliang Inventor after: Wang Bin Inventor after: Zhou Kun Inventor after: Qi Yulong Inventor after: Yu Pingan Inventor after: Du Xiaohui Inventor after: Liu Dingbang Inventor after: Li Junlong Inventor before: Wei Mingliang Inventor before: Wang Longlong Inventor before: Wang Bin Inventor before: Zhou Kun Inventor before: Qi Yulong Inventor before: Yu Pingan Inventor before: Du Xiaohui Inventor before: Liu Dingbang Inventor before: Li Junlong Inventor before: Zhou Haisong |