CN105114201B - A kind of diesel engine integrated form camshaft bearing cap assembly - Google Patents
A kind of diesel engine integrated form camshaft bearing cap assembly Download PDFInfo
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- CN105114201B CN105114201B CN201510466800.7A CN201510466800A CN105114201B CN 105114201 B CN105114201 B CN 105114201B CN 201510466800 A CN201510466800 A CN 201510466800A CN 105114201 B CN105114201 B CN 105114201B
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- bearing cap
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- bearing
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- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005457 optimization Methods 0.000 claims abstract description 10
- 239000003921 oil Substances 0.000 claims description 34
- 239000010687 lubricating oil Substances 0.000 claims description 28
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 2
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 230000008520 organization Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of diesel engine integrated form camshaft bearing cap assembly, belong to automotive engine applications.The assembly comprises at least：Cylinder head, valve chamber cover formula camshaft-bearing cap, hexagon flange bolt, the first camshaft-bearing cap；The valve chamber cover formula camshaft-bearing cap is that diesel engine spiracle room cover lid becomes one with camshaft-bearing cap structure optimization；The valve chamber cover formula camshaft-bearing cap surrounding is connected firmly on cylinder head by hexagon flange bolt, first camshaft-bearing cap is arranged on above valve chamber cover formula camshaft-bearing cap by bolt, diesel engine camshaft bearing cap assembly is integrated into, realizes function possessed by the support base and valve chamber cover of camshaft jointly.By the Mechanism Optimization of the integrated of the bearing cap parts to diesel engine and association parts, the lightweight of diesel engine is realized, reduces oil consumption and manufacturing cost.
Description
Technical field
The present invention relates to automotive engine applications, more particularly to a kind of diesel engine integrated form camshaft bearing cap assembly.
Background technology
In order to meet increasingly harsh engine consumption standard, the discharge of poisonous waste of vehicle exhaust is reduced, automobile using is light
Quantization has become one of major main engine plants focus of interest, and research shows, automobile gross mass often reduces 100Kg, hundred kilometers
Oil consumption can reduce 0.3L-0.6L, in addition, automotive light weight technology can also improve the dynamic property of automobile, save material, reduce vehicle into
This.
Engine is the power resources of vehicle, and the quality of vehicle shares rich and influential family, and the lightweight of engine can improve
Front-wheel loading share rate, improve the control stability of automobile, noise and vibrations can also be reduced, to realize that high-power creates bar
Part.
The lightweight of engine can mitigate component weight by alternative materials, can also optimize parts and system
Structure composition, light can also be reached to assembly module and the Mechanism Optimization for associating parts, the Integrated design of parts in addition
The purpose of quantization.
During the present invention is realized, inventor has found that prior art at least has problems with：
Parts choose the negative effect i.e. rising of cost that alternative materials are brought, and engine pack modularized design is often
The design difficulty and processing and manufacturing difficulty of parts can be increased, so as to also result in the rising of cost.
Parts Integrated design as the term suggests two or more part is integrated into a part, manage by such a design
Read and establish on the premise of engine component performance is not reduced, engine camshaft bearing cap primarily serves a support
Effect, and valve chamber cover primarily serves a sealing function to cylinder cap top, in order to improve the profit in valve chamber cover space
Often the labyrinth of triton system is integrated in inside valve chamber cover with rate, it is such a to design the height for adding whole engine.
With new diseases, most of main engine plants all reduce engine using plastic valve chamber cover at this stage
Weight, but this scheme can not reduce the whole height of engine, and labyrinthine system is integrated in inside valve chamber cover due to knot in addition
The limitation of structure, oil-gas separation efficiency will certainly also have a certain impact.
Reduce the major subjects that vehicular engine oil consumption has become car enterprise at this stage, influence of the engine weight to oil consumption
And can not be ignored, because the structure of diesel engine limits, the bearing cap of diesel engine uses frame-type more, and framework top is again
Sealed with valve chamber cover, such a design weight weight, manufacturing cost is high, and more layer sealing surfaces, adds risk of leakage.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of diesel engine integrated form camshaft-bearing cap
Assembly.By the Mechanism Optimization of the integrated of the bearing cap parts to diesel engine and association parts, realize that diesel oil is sent out
The lightweight of motivation, reduce oil consumption and manufacturing cost.The technical scheme is as follows：
A kind of diesel engine integrated form camshaft bearing cap assembly, is comprised at least：Cylinder head, valve chamber cover formula cam shaft
Hold lid, hexagon flange bolt, the first camshaft-bearing cap；The valve chamber cover formula camshaft-bearing cap is by diesel engine gas
Door room cover lid becomes one with camshaft-bearing cap structure optimization；The valve chamber cover formula camshaft-bearing cap surrounding passes through
Hexagon flange bolt is connected firmly on cylinder head, and the first camshaft-bearing cap is arranged on valve cover covering cam by bolt
Axle bearing covers face, is integrated into diesel engine camshaft bearing cap assembly, realizes the support base and cavaera of camshaft jointly
Function possessed by cover lid.
The valve chamber cover formula camshaft bearing covers integrated be laid with：Camshaft phase sensor mounting hole, cam
Axle bearing shelves, oil injector clip briquetting mounting platform, lubricating oil outlet, mounting hole of oil sprayer, lubricating oil inlet, oil-way close
Online structure and related hole position and groove position.
The valve chamber cover formula camshaft-bearing cap uses low density aluminum alloy die cast global formation, wall thickness 2.5mm-
3mm。
The cross section of the camshaft bearing shelves is half dies.
The camshaft bearing shelves are along valve chamber cover formula camshaft-bearing cap length direction symmetric arrays, each camshaft
Bearing guard both sides are connected firmly on cylinder head by hexagon flange bolt, and camshaft branch is collectively formed with the bearing guard of cylinder head
Support.
The camshaft phase sensor mounting hole is disposed between row's camshaft bearing shelves.
The oil injector clip briquetting mounting platform, mounting hole of oil sprayer be disposed on two row's camshaft bearing shelves it
Between, on the length direction center line of valve chamber cover formula camshaft-bearing cap；The oil injector clip briquetting mounting platform
On have additional the steel briquetting of large area.
The oil-way is integrated in the inner face of valve chamber cover formula camshaft-bearing cap, positioned at first axle throat portion；Institute
State the lubricating oil inlet that one end connection valve chamber cover formula camshaft bearing of oil-way covers, other end connection valve cover
The lubricating oil outlet that covering cam axle bearing covers.
The cylinder head air inlet surveys main oil gallery lubricating oil and enters oil-way (2.7) by lubricating oil inlet, by lubrication
Lubricating oil is introduced lubricating oil outlet by the guiding of oil groove, enters back into the oil leab of cylinder head exhaust side, lubricates matching somebody with somebody for exhaust side
Gas mechanism assembly.
The valve chamber cover formula camshaft-bearing cap is used with engine cylinder cap and is connected with lead plug form；The valve
Room cover type camshaft-bearing cap attaches together processing simultaneously with cylinder head；The valve chamber cover formula camshaft-bearing cap is sent out with diesel oil
Silicone rubber seal is used between motivation valve chamber cover.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
By the integrated of the bearing cap parts to diesel engine and associate parts Mechanism Optimization when, by gas
Door room cover lid becomes one with camshaft-bearing cap structure optimization, reduces the whole height of diesel engine, is easy to complete machine
Arrangement；Integrated form camshaft bearing cap assembly can realize work(possessed by the support base and valve chamber cover of camshaft jointly
Can, due to reducing a layer sealing surface on diesel engine bearing cap framework top, thus reduce risk of leakage；Cam after integrated
Axle bearing cap assembly reduces the weight and manufacturing cost of engine, reduces oil consumption.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of diesel engine integrated form camshaft-bearing cap assembly structure schematic diagram provided in an embodiment of the present invention；
Fig. 2 is bowing for the valve chamber cover formula camshaft-bearing cap structural representation in Fig. 1 provided in an embodiment of the present invention
View；
Fig. 3 is Fig. 2 provided in an embodiment of the present invention upward view.
Each symbol represents that implication is as follows in figure：
1 cylinder head；
2 valve chamber cover formula camshaft-bearing caps, 2.1 camshaft phase sensor mounting holes, 2.2 camshaft bearing shelves,
2.3 oil injector clip briquetting mounting platforms, 2.4 lubricating oil outlets, 2.5 mounting hole of oil sprayer, 2.6 lubricating oil inlets, 2.7 lubrications
Oil groove；
3 hexagon flange bolts；
4 first camshaft-bearing caps.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with accompanying drawing
It is described in detail on step ground.
It is shown in Figure 1, the embodiments of the invention provide a kind of diesel engine integrated form camshaft bearing cap assembly, at least wrap
Include：Cylinder head 1, valve chamber cover formula camshaft-bearing cap 2, hexagon flange bolt 3, first camshaft-bearing cap 4 etc. zero
Part；Specifically, the valve chamber cover formula camshaft-bearing cap 2 is by diesel engine spiracle room cover lid and camshaft-bearing cap structure
Optimization becomes one；The surrounding of valve chamber cover formula camshaft-bearing cap 2 passes through 25 M6 hexagon flange bolts 3
Connect firmly on cylinder head 1, first camshaft-bearing cap 4 is arranged on valve chamber cover formula camshaft by four M6 bolts
Above bearing cap 2, diesel engine camshaft bearing cap assembly is integrated into；Because engine camshaft bearing cap primarily serves branch
Support acts on, and valve chamber cover primarily serves the sealing function to cylinder cap top, by by valve chamber cover and camshaft bearing
Lid becomes one, and makes Mechanism Optimization, and the support base that the camshaft bearing cap assembly after integrating realizes camshaft jointly is gentle
Function possessed by the cover lid of door room, reduce the quantity and sealing surface of parts, make the camshaft bearing cap assembly after integrating more
Add lightweight.
The connection of the valve chamber cover formula camshaft-bearing cap 2 and engine cylinder cap 1, which uses, matches somebody with somebody lead plug form, such a
Connected mode can reduce the magnitude of misalignment between bearing cap and cylinder cap to greatest extent, so as to ensure the quality of engine, reduce
Unnecessary abrasion.To ensure the axiality of cam shaft bearing bore, the valve chamber cover formula camshaft-bearing cap 2 needs and cylinder
Lid 1 attaches together processing simultaneously.
Silicon rubber is used between valve chamber cover formula camshaft-bearing cap 2 and diesel motor valve bonnet lid after integrated
Sealed, the gap that can be made up is larger, so as to reduce risk of leakage.
Integrate and be laid with referring also to shown in Fig. 2, Fig. 3, on the valve chamber cover formula camshaft-bearing cap 2：Camshaft
Phase detector mounting hole 2.1, camshaft bearing shelves 2.2, oil injector clip briquetting mounting platform 2.3, lubricating oil outlet 2.4,
The related organizations such as mounting hole of oil sprayer 2.5, lubricating oil inlet 2.6, oil-way 2.7 and related hole position and groove position, all use
Small―gap suture arranges that the valve chamber cover formula camshaft-bearing cap 2 after integrating uses low density aluminum alloy die cast global formation, wall thickness
For 2.5mm-3mm.
Further, the cross section of the camshaft bearing shelves 2.2 is half dies, you can proof strength, again
Loss of weight effect can be played；The multiple camshaft bearing shelves 2.2 of two rows are symmetrical along valve chamber cover formula 2 length directions of camshaft-bearing cap
Arrangement, each both sides of camshaft bearing shelves 2.2 are connected firmly on cylinder head 1 by two M6 hexagon flange bolts 3, with cylinder
The bearing guard of lid 1 collectively forms camshaft support.
The camshaft phase sensor mounting hole 2.1 be two, be disposed on row's camshaft bearing shelves 2.2 it
Between, layout is simple, the installation for camshaft phase sensor.
The oil injector clip briquetting mounting platform 2.3 is two, and mounting hole of oil sprayer 2.5 is three, is disposed on
Between two row's camshaft bearing shelves 2.2, on the length direction center line of valve chamber cover formula camshaft-bearing cap 2, oil spout
Device mounting hole 2.5 is installing fuel injector；Such a structure can alleviate impulsive force in the fuel injector course of work to valve chamber cover
The destruction of formula camshaft-bearing cap 2, the steel pressure of larger area is additionally arranged on the oil injector clip briquetting mounting platform 2.3
Block, it can play a part of increasing bearing area.
The oil-way 2.7 is integrated in the inner face of valve chamber cover formula camshaft-bearing cap 2, positioned at first axle throat
Portion, oil-way 2.7 mainly have two effects, and one is to provide the lubrication to the first camshaft journal；Second, by the air inlet of cylinder head 1
Side main oil gallery lubricating oil imports exhaust side lubricating oil duct, to provide the lubrication of valve actuating mechanism.
Lubricating oil inlet 2.6 on one end connection valve chamber cover formula camshaft-bearing cap 2 of the oil-way 2.7,
Lubricating oil outlet 2.4 on other end connection valve chamber cover formula camshaft-bearing cap 2；In work, main oil is surveyed in the air inlet of cylinder head 1
Road lubricating oil enters oil-way 2.7 by lubricating oil inlet 2.6, introduces lubricating oil by the guiding of oil-way 2.7 and moistens
Oil outlet 2.4, subsequently into the oil leab of the exhaust side of cylinder head 1, lubricate the valve actuating mechanism component of exhaust side.
In addition, the gs-oil separator of the embodiment of the present invention can be integrated using single module, be advantageous to improve oil gas point
From efficiency；Plastics gs-oil separator can also be selected to be integrated in other positions of cylinder head 1 or engine.
In addition, the embodiment of the present invention also has the advantage that, the valve chamber cover formula camshaft-bearing cap after integrating is using close
Relatively low aluminium alloy casting global formation, rare casting flaw are spent, wall thickness reduces, and weight reduction, is provided with hole position and groove position,
It is compact-sized available for related organizations such as installation camshaft phase sensor, fuel injector and lubricant passage ways, reduce making for bolt
With quantity, make mechanism more lightweight.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (3)
1. a kind of diesel engine integrated form camshaft bearing cap assembly, it is characterised in that comprise at least：Cylinder head (1), valve cover
Covering cam axle bearing lid (2), hexagon flange bolt (3), the first camshaft-bearing cap (4)；The valve chamber cover formula is convex
Wheel bearing lid (2) is that diesel engine spiracle room cover lid becomes one with camshaft-bearing cap structure optimization；The cavaera
Cover type camshaft-bearing cap (2) surrounding is connected firmly in cylinder head (1) above by hexagon flange bolt (3), the first camshaft
Bearing cap (4) is arranged on valve chamber cover formula camshaft-bearing cap (2) above by bolt, is integrated into diesel engine camshaft
Bearing cap assembly, function possessed by the support base and valve chamber cover of camshaft is realized jointly；
Integrate and be laid with the valve chamber cover formula camshaft-bearing cap (2)：Camshaft phase sensor mounting hole (2.1),
Camshaft bearing shelves (2.2), oil injector clip briquetting mounting platform (2.3), lubricating oil outlet (2.4), mounting hole of oil sprayer
(2.5), lubricating oil inlet (2.6), oil-way (2.7) related organization and related hole position and groove position；
The camshaft bearing shelves (2.2) are each convex along valve chamber cover formula camshaft-bearing cap (2) length direction symmetric arrays
Wheel bearing shelves (2.2) both sides are connected firmly in cylinder head (1) above by hexagon flange bolt (3), the bearing with cylinder head (1)
Shelves collectively form camshaft support；
The oil injector clip briquetting mounting platform (2.3), mounting hole of oil sprayer (2.5) are disposed on two row's camshaft bearings
Between shelves (2.2), on the length direction center line of valve chamber cover formula camshaft-bearing cap (2)；The oil injector clip
The steel briquetting of large area is had additional on briquetting mounting platform (2.3)；
The oil-way (2.7) is integrated in the inner face of valve chamber cover formula camshaft-bearing cap (2), positioned at first axle throat
Portion；Lubricating oil inlet (2.6) on one end connection valve chamber cover formula camshaft-bearing cap (2) of the oil-way (2.7),
Lubricating oil outlet (2.4) on other end connection valve chamber cover formula camshaft-bearing cap (2)；
The valve chamber cover formula camshaft-bearing cap (2) is connected with engine cylinder cap (1) using with lead plug form；
The cross section of the camshaft bearing shelves (2.2) is half dies；
The camshaft phase sensor mounting hole (2.1) is disposed between row's camshaft bearing shelves (2.2)；
Cylinder head (1) air inlet surveys main oil gallery lubricating oil and enters oil-way (2.7) by lubricating oil inlet (2.6), passes through
Lubricating oil is introduced lubricating oil outlet (2.4) by the guiding of oil-way (2.7), enters back into the lubricating oil of cylinder head (1) exhaust side
Road, lubricate the valve actuating mechanism component of exhaust side；
The valve chamber cover formula camshaft-bearing cap (2) and cylinder head (1) while attach together processing；
Valve chamber cover formula camshaft-bearing cap (2) wall thickness is 2.5mm-3mm.
2. diesel engine integrated form camshaft bearing cap assembly according to claim 1, it is characterised in that the valve cover
Covering cam axle bearing lid (2) uses low density aluminum alloy die cast global formation.
3. diesel engine integrated form camshaft bearing cap assembly according to claim 1, it is characterised in that the valve cover
Silicone rubber seal is used between covering cam axle bearing lid (2) and diesel motor valve bonnet lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466800.7A CN105114201B (en) | 2015-07-31 | 2015-07-31 | A kind of diesel engine integrated form camshaft bearing cap assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466800.7A CN105114201B (en) | 2015-07-31 | 2015-07-31 | A kind of diesel engine integrated form camshaft bearing cap assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105114201A CN105114201A (en) | 2015-12-02 |
| CN105114201B true CN105114201B (en) | 2017-11-14 |
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ID=54662280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510466800.7A Active CN105114201B (en) | 2015-07-31 | 2015-07-31 | A kind of diesel engine integrated form camshaft bearing cap assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105114201B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704027B (en) * | 2016-12-27 | 2017-11-07 | 清华大学 | Cylinder cap closing cap for Four valve EFI internal combustion engine |
| CN106930858B (en) * | 2017-04-21 | 2022-09-13 | 江阴中玮动力机械有限公司 | Engine upper cover |
| CN112664290A (en) * | 2020-12-21 | 2021-04-16 | 中国北方发动机研究所(天津) | Box camshaft support frame of engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2866865Y (en) * | 2006-01-24 | 2007-02-07 | 沈阳华晨金杯汽车有限公司 | Turbine booster engine cylinder head upper body structure |
| JP2010229830A (en) * | 2009-03-26 | 2010-10-14 | Honda Motor Co Ltd | Four-stroke cycle internal combustion engine |
| JP2011112007A (en) * | 2009-11-30 | 2011-06-09 | Honda Motor Co Ltd | Lubrication structure of valve gear |
| CN201972805U (en) * | 2010-10-27 | 2011-09-14 | 江苏大学 | Light-weight equal-rigidity aluminum diesel engine body |
-
2015
- 2015-07-31 CN CN201510466800.7A patent/CN105114201B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2866865Y (en) * | 2006-01-24 | 2007-02-07 | 沈阳华晨金杯汽车有限公司 | Turbine booster engine cylinder head upper body structure |
| JP2010229830A (en) * | 2009-03-26 | 2010-10-14 | Honda Motor Co Ltd | Four-stroke cycle internal combustion engine |
| JP2011112007A (en) * | 2009-11-30 | 2011-06-09 | Honda Motor Co Ltd | Lubrication structure of valve gear |
| CN201972805U (en) * | 2010-10-27 | 2011-09-14 | 江苏大学 | Light-weight equal-rigidity aluminum diesel engine body |
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