CN106460597A - Cylinder head for internal combustion engine - Google Patents
Cylinder head for internal combustion engine Download PDFInfo
- Publication number
- CN106460597A CN106460597A CN201580001062.7A CN201580001062A CN106460597A CN 106460597 A CN106460597 A CN 106460597A CN 201580001062 A CN201580001062 A CN 201580001062A CN 106460597 A CN106460597 A CN 106460597A
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- China
- Prior art keywords
- valve
- cylinder head
- internal combustion
- combustion engine
- opening
- 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.)
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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
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/08—Drip lubrication
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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
-
- 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
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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
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a cylinder head for an internal combustion engine. Easy machining makes it possible to effectively supply engine oil to a valve opening/closing mechanism. A cylinder head (7) is provided with: a valve opening/closing mechanism (8) for opening and closing an intake valve (71) and an exhaust valve (72) by means of a camshaft (82); and a main body part (73) for supporting the valve opening/closing mechanism, the intake valve, and the exhaust valve from the interior thereof, the main body part forming a combustion chamber (63). The cylinder head (7) further includes a guide plate for supplying engine oil from above the valve opening/closing mechanism. The guide plate is provided with a groove part (108) formed by bending part of the guide plate, the groove part being arranged in a position of overlapping the valve opening/closing mechanism as seen in a plan view of the engine (5).
Description
Technical field
The present invention relates to a kind of cylinder head of internal combustion engine, more specifically it relates to a kind of for can be in the inside of cylinder head
The cylinder head of the internal combustion engine of Efficient Cycle machine oil.
Background technology
It is known that patent document 1 discloses that the construction with the opening/closing mechanism of valve in the cylinder head of internal combustion engine, open in this valve/
Close intake valve and air bleeding valve in mechanism to be opened by camshaft and close.The opening/closing mechanism of valve is equipped with rocker arm (rocker
Arm), this rocker arm joltily can be supported by cylinder head, and the cam swings by camshaft for the rocker arm, so as to
Enough operation intake valve and air bleeding valves.
Prior art literature：
Patent documentation：
Patent documentation 1：JP-A-2012-163057
Content of the invention
The problem to be solved in the present invention：
If the supply of machine oil to the opening/closing mechanism of valve is interrupted in cylinder head, it is likely to occur problem, such as due to rubbing
The deterioration wiped and lead to and generation noise.Although it is contemplated that execution forms the process of oily passage to solve in the inner face of valve mechanism cover
These problems, but there is difficult treatment and processing cost is high.
In cylinder head, the vent board (breather plate) for forming gas-liquid separation chamber is arranged on valve mechanism cover
Inside.In gas-liquid separation chamber, in sewing gas mixing machine oil separated, and make by separated as described above simultaneously
And have attached to the machine oil of vent board and drop onto the opening/closing mechanism of valve be then supplied to it.However, because vent board has plane
Shape, makes the scope that machine oil drips broaden, thus leading to provide enough for the opening/closing mechanism of valve from the machine oil of vent board drippage
Lubricant effect problem.
The present invention in view of the problems referred to above and aims to provide one kind for easily process just can be to valve by execution
Opening/closing mechanism supplies the cylinder head of the internal combustion engine of machine oil effectively.
The method of solve problem：
The cylinder head of the internal combustion engine of the present invention, including intake valve and air bleeding valve；The opening/closing mechanism of valve, this valve opening/closing mechanism profit
Open and close above-mentioned valve with camshaft；Body part, body part is used for propping up opening/closing for valve mechanism, intake valve and air bleeding valve
Support is inside it, and body part forms combustor；And cover, this cover is for covering the opposite side in combustor
Body part side, this cylinder head further includes guide plate, and this guide plate is used for providing machine from the top of the opening/closing mechanism of valve
Oil, wherein, has groove part fence portion, and in the plane graph of internal combustion engine, the configuration of this groove part with valve open/
Close the position of organizational overlapping.
According to such construction, because this groove part is formed in guide plate, therefore have attached to the machine oil energy of guide plate
Enough it is directed into groove part and be collected.Further, because this groove part is located at the top of the opening/closing mechanism of valve, because
This can make to concentrate collected in the machine oil in groove part and drop onto the opening/closing mechanism of valve.Thus, the lubricant effect energy of machine oil
Enough improve, and the noise of the deterioration that led to due to friction and generation can reduce.Additionally, because groove part only by
Bending guide plate just can be formed, be therefore independently formed at the construction within cylinder head with oily passage compared with, this structure can be simplified
The structure made.Thus, the process of cylinder head can be simplified and production capacity can be improved.
It is preferable that the opening/closing mechanism of valve has rocker arm, by driving cam in the cylinder head of the internal combustion engine of the present invention
Axle, this rocker arm drives at least one of intake valve and air bleeding valve, and in the plane graph of internal combustion engine, groove part configures
In the position overlapping with rocker arm.According to such construction, can make to concentrate drippage collected in the machine oil in groove part
To rocker arm, thus the lubricant effect being shaken for drive rocker arm can improve.
In the cylinder head of the internal combustion engine of the present invention it is preferable that in the plane graph of internal combustion engine, groove part configuration with
The overlapping position of the cam of camshaft.According to such construction, can make to concentrate collected in the machine oil in groove part and drip
Fall cam, thus being for example used for driving cam and so that rocking arm and the lubricant effect of cam contact is improved.
In the cylinder head of the internal combustion engine of the present invention it is preferable that in the plane graph of internal combustion engine, groove part with cam
The side that the axis direction of axle is substantially orthogonal upwardly extends.According to such construction, not only (interior in the upside along groove part
Portion) flowing after drippage machine oil, and along groove part downside (outside) flowing after drip machine oil can
It is transferred to cam and rocker arm.
It is preferable that at least a portion of guide plate is bent in the cylinder head of the internal combustion engine of the present invention, be formed as V-arrangement
Section, and groove part is to make the pointed portion straight-line extension of V-arrangement and formed.According to such construction, because concave part
Point be formed as the section of V-arrangement, therefore, it is possible to guarantee wide oil collecting region such that it is able to efficiently perform machine oil collection and
Supply.Further, because groove part can be formed simply by pressing molding etc., production capacity can become pole
Good.
It is preferable that cover is provided with vent board in the cylinder head of the internal combustion engine of the present invention, this vent board is used for being formed
Gas-liquid separation chamber, and vent board formed as one with guide plate.According to such construction, because guide plate can be by using ventilation
Plate shape becomes, and therefore the quantity of the quantity of part and restraint location can reduce, thus maintainability can not only be improved and energy
Enough simplify the shape of cover and production capacity can be improved.Additionally, by the formation of groove part, guide plate and vent board energy
Enough dimensionally manufactured and its surface area can be expanded, thus heat radiation can strengthen and collect to be included in sewing in gas
The effect of machine oil can improve further.
The advantage of the present invention：
According to the present invention, because the guide plate forming groove part wherein is arranged on the top of the opening/closing mechanism of valve, therefore
Machine oil passes through simple process of execution and just can be efficiently supplied to the opening/closing mechanism of valve.
Brief description
Fig. 1 is from rear side obliquely, and display is according to the profile axonometric chart of the motorcycle of embodiment；
Fig. 2 is shown in the side cross-sectional view according to cylinder head in the internal combustion engine of this embodiment and its periphery；
Fig. 3 is the sectional view of the line A-A along along Fig. 2；
Fig. 4 is the plane graph of the internal structure showing cylinder head, and some of them part does not show；
Fig. 5 is the profile axonometric chart that diagram vent board is installed in the state in cover；
Fig. 6 is the profile axonometric chart showing vent board；
Fig. 7 is in terms of the direction of arrow D from Fig. 6, the figure of display vent board；And
Fig. 8 is in terms of the direction of arrow E from Fig. 6, the figure of display vent board.
Specific embodiment
Explain embodiments of the invention below with reference to accompanying drawing.Although internal combustion according to the present invention is described below
Machine is used for the example of pedal motorcycle, but the object of present invention application is not limited to such vehicle, but can repair
Change.For example, the internal combustion engine according to the present invention can be used for other types of motorcycle, lightweight motor tricycle, four-wheel
Automobile etc..Further, the forward direction arrow FR of vehicle body represents, the backward directions arrow RE of vehicle body represents, vehicle body
Left direction is indicated by the arrow L, and the right direction of vehicle body is indicated by the arrow R.Additionally, in following in figure, in order to illustrate
For the sake of convenient, some constructions do not show.
With reference to Fig. 1, description is according to some ordinary constructions of the motorcycle of this embodiment.Fig. 1 is from rear side obliquely, shows
Show the profile axonometric chart of the motorcycle according to this embodiment.In following in figure, for convenience, some constructions do not have
Display.
As shown in figure 1, pedal motorcycle 1 be configured as external vehicle components various lids be installed in by steel or
In the vehicle body frame (not shown) that aluminium alloy is made.For protecting the leg of driver and the leg protection cover (leg of foot
Shield) 21 it is arranged on the front side of this motorcycle.Central frame lid 22 is arranged on the rear side of leg protection cover 21.Cover
The body side frame lid 23 of the side of lid vehicle is arranged on after central frame lid 22.
Front fork 31 is rotatably supported on the front side of vehicle via steering spindle (not shown).For manipulating front-wheel 3
Handle 32 is arranged on the top of front fork 31.Front-wheel 3 is rotatably supported on the lower part of front fork 31, and front-wheel 3 is arranged
There are brake disc 36 and the clamp 37 for clamping brake disc 36.
Seat 25 is arranged on the upside of body side frame lid 23.Taillight 44 and rear mudguard 45 are arranged on body side frame lid 23
Rear part.Engine 5 as internal combustion engine is arranged on generation behind the inside of body side frame lid 23, and burning in engine 5
Gas is discharged from acoustic filter 46 as waste gas, and this acoustic filter 46 is arranged on after the right flank of engine 5.
Swing arm (not shown) is supported thus can swing in the vertical direction on the downside of body side frame lid 23, and
Suspension 42 is installed between vehicle body frame and swing arm.Trailing wheel 4 is rotatably supported on the rear part of swing arm.Variator
43, such as CVT (buncher), are arranged on the left side of trailing wheel 4, and the power of engine 5 passes through this variator 43 quilt
It is transferred to trailing wheel 4.Further, the side foot-stand 47 for supporting vehicle is arranged on the front side of variator 43.
Referring to Fig. 2 and 3, the engine according to this embodiment will be described.Fig. 2 is cylinder head and its periphery of display engine
Side cross-sectional view, and Fig. 3 is the sectional view of the line A-A along Fig. 2.
As shown in Fig. 2 engine 5 is simple engine, and it is equipped with cylinder 6 and cylinder head 7, this cylinder 6 configures in song
On the front side of handle case (not shown), this cylinder head 7 is installed on cylinder 6.Piston 61 is received thus in the longitudinal direction can
Enough reciprocating motions, and connecting rod 62 is connected to piston 61.In addition, combustor 63 be arranged on cylinder 6 and cylinder head 7 it
Between, the axis C that cylinder 6 and cylinder head 7 are configured to this combustor 63 turns forward.
Cylinder head 7 is equipped with single intake valve 71, single air bleeding valve 72 and body part 73, and wherein these valves are propped up
Support.Intake valve 71 and air bleeding valve 72 are configured to the axis C with respect to combustor 63 in the side view of vehicle body as shown in Figure 2 and exist
Separate on above-below direction, and overlapping on above-below direction as shown in Figure 3.
Combustor 63 is formed in the inside rear region of body part 73, and is opened by intake valve 71 and entering of closing
QI KOU 75 is formed in the upper front portion of combustor 63.Intake valve 71 above passes through valve in the direction (to going forward) of closure air inlet 75
Spring (not shown) exerts a force.Air inlet 75 is connected with air inlet port 76, this air inlet port 76 upper shed above cylinder head 7.
Air filter (not shown) and fuel injection device (not shown) are connected to air inlet port 76；Import from air filter
Air is mixed with the fuel spraying from fuel injection device, and then mixture is imported into combustion via air inlet port 76 and air inlet 75
Burn in room 63.
The air vent 77 opened by air bleeding valve 72 and close is formed in the front lower portion of combustor 63.Air bleeding valve 72 exists
The direction (before downwards) of closure air vent 77 is upper to be exerted a force by valve spring (not shown).Air vent 77 is connected with exhaust port 78,
This exhaust port 78 is in the following upper shed of cylinder head 7.Exhaustor (not shown) is connected to exhaust port 78, and carrys out spontaneous combustion
The waste gas burning room 63 is discharged via air vent 77, exhaust port 78 and exhaustor.
Cylinder head 7 has been further equipped the opening/closing mechanism of valve 8, and the opening/closing mechanism of this valve 8 is supported on body part 73
Internal and be used for opening and close intake valve 71 and air bleeding valve 72.The opening/closing mechanism of valve 8 main equipped with：Cam shell 81, should
Cam shell 81 is formed on the front side of body part 73；Single camshaft 82, this single camshaft 82 passes through cam shell 81
Supported and in the lateral direction, extended on the width of vehicle；Shake with single inlet rocker arm 83 and single aerofluxuss
Lever arm 84, this inlet rocker arm 83 and exhaust rocker arm 84 are arranged, respectively on the upper front side and lower front side of camshaft 82.
As shown in figure 3, a pair about ball bearing 85 and 86 (ball bearing 85 does not show in fig. 2) is installed in cam
In shell 81, and camshaft 82 is rotatably supported via these ball bearings 85 and 86.With inlet rocker arm 83 and row
Two cams 87 and 88 (cam 88 does not show in fig. 2) of gas rocker arm 84 contact are formed on camshaft 82.Air inlet is shaken
Lever arm 83 and exhaust rocker arm 84 are rotatably supported by rocker arm shaft 89 (see Fig. 2, not showing in Fig. 3) respectively.In valve
In opening/closing mechanism 8, when camshaft 82 is rotated, rocker arm 83 and 84 is driven in time via cam 87 and 88.Intake valve
71 and air bleeding valve 72 pass through this driving and move back and forth towards combustor 63 (see Fig. 2), and intake valve 71 and air bleeding valve 72 are beaten
Open and close are closed.When contacting with rocker arm 83 and 84, cam 87 and 88 respectively be located in the vertical direction with rocker arm 83 and 84
Overlapping position.
Cam sprocket wheel 91 is fixed to the left end side of camshaft 82.The upper end of cam chain 92 is coiled around cam sprocket wheel 91,
And the rotation of bent axle (not shown) is transferred to cam sprocket wheel 91 via cam chain 92, thus camshaft 82 is rotated.More enter one
Step, the solution press mechanism 94 for improving the starting capability of engine 5 is connected to the left end side of camshaft 82.
Review Fig. 2, cylinder head 7 has cover 95, this cover 95 forms the top of cylinder head, and in combustor 63
Opposite side on body part 73 side be covered part 95 cover.Cover 95 is fixed to via securing member 96 such as bolt
Body part 73.Vent board 100 is arranged on the inside of cover 95 and before the opening/closing mechanism of valve 8.Gas-liquid separation chamber
101 are formed between vent board 100 and cover 95.Sew gas and be imported into gas-liquid separation chamber 101；This is sewed gas and produces
The inside of crank box (not shown) of engine 5 and flow to cover 95 side via cylinder 6, body part 73 etc..?
Import gas-liquid separation chamber 101 sews during gas flows to outlet (not shown) via passage, mist of oil for example by with
Vent board 100 contacts and is separated, and mist of oil is imported into air inlet branch road (not shown) and then burns.
Next, except Fig. 2 and 3 illustrates vent board referring also to Fig. 4 to 8.Fig. 4 be show cylinder head internal structure flat
Face figure, some of them part does not show, and Fig. 5 is the profile solid that diagram vent board is installed in the state in cover
Figure.Fig. 6 to 8 figure is the figure of the construction showing vent board；Fig. 6 is profile axonometric chart, and Fig. 7 is to see in the direction of the arrow D of Fig. 6
Figure, and Fig. 8 is the figure seen in the direction of the arrow E of Fig. 6.
Vent board 100 is formed by pressing and bending single metal plate in this embodiment, and this vent board 100 has
There are body flat board 103 and guide plate 104.Thus, body flat board 103 and guide plate 104 are formed to be entirely connected, and guide plate
104 are formed by the part of vent board 100.For example, body flat board 103 is formed as flat shape, and its external margin according to
The shape being shaped so as to partly project and recessed shape according to cover 95.Body flat board 103 configures in body flat board 103
Cover the region of both inlet rocker arm 83 and exhaust rocker arm 84 (see Fig. 2 and 4) from front side.In addition, body flat board 103 exists
Upwardly extend with it and be fixed to cover 95 in the state of tilting backwards.The hole 103a of insertion screw is formed on body
On three positions in the face of flat board 103.
Guide plate 104 is formed as projecting backward from the upper end of body flat board 103.Guide plate 104 has flat 106 and groove
Forming part 107.Flat 106 forms the left field of guide plate 104 and is oriented to be nearly parallel to cover 95
Upper inner face.Groove forming part 107 extends to the right side of flat 106 and the upper end of body flat board 103.Groove forming portion
Points 107 right-hand member and flat 106 are oriented to almost orthogonal with body flat board 103 (see Fig. 3).In groove forming part
In 107, the sweep between groove forming part 107 and body flat board 103 point-blank extends in the lateral direction；Another
Aspect, its rear end on the opposite sides is formed as thering is generally V-shaped 3D shape in terms of rear side.Thus, groove forming part
107 are bent to form generally V-shaped section, thus groove part 108 is formed on its top side in the lateral direction
Mid portion.In groove part 108, the pointed portion of above-mentioned V-arrangement point-blank extends, and its bearing of trend is with it backward
Extend and downward-sloping.The rear end of groove forming part 107 extends from the lateral mid portion of two in the lateral direction with it
And it is downward-sloping.
Next, explanation is with respect to the guide plate 104 of the opening/closing mechanism of valve 8 and the relative position relation of groove part 108.Lead
Plate 104 configures above the opening/closing mechanism of valve 8, in the plane graph of engine 5 (on the direction of the arrow F of Fig. 2 and shown in Fig. 4
On direction) the overlapping position of groove part 108 mechanism 8 opening/closing with valve.More specifically, groove part 108 configures in engine 5
In plane graph overlapping with rocker arm 83 and 84 and with the overlapping position of cam 87 and 88.Further, groove part 108 is drawing
Hold up in 5 plane graph on almost orthogonal with the axis direction (left and right directions) of camshaft 82 direction, that is, in the longitudinal direction
Extend.
In above-mentioned construction, for example, when the engine 5 according to this embodiment is driven, have flowed into sewing of cylinder head 7
Gas is imported in gas-liquid separation chamber 101, and machine oil is separated with sewing gas by the cooling effect of vent board 100.Such as
Described in upper in the total amount of detached machine oil, the amount having attached to the machine oil of side above groove forming part 107 is drawn
Lead the inner side of groove part 108 and be collected, then concentrate drippage from the lower end of groove part 108.Due to groove part
Above-mentioned relative position relation between 108 and the opening/closing mechanism of valve 8, the machine oil having dripped is supplied to the opening/closing mechanism of valve 8, so
Machine oil is by the rocker arm 83 of centralizedly supply to special needs lubrication and 84 and cam 87 and 88 afterwards.
Additionally, having attached to the machine oil of the following side of groove forming part 107 along in the outside of groove part 108 tool
The following of ridge nemaline groove forming part 107 is had to flow and drip.Thus, machine oil can be not only from groove part 108
And the following crestal line shape drippage from groove forming part 107, thus machine oil can be transferred to the opening/closing mechanism of valve 8.
Now, because that groove part 108 extends in the longitudinal direction, therefore machine oil concentrate drop onto rocker arm 83 and 84 with
And cam 87 and 88.
According to the cylinder head 7 of this embodiment, have attached to the machine oil with back side two sides before groove forming part 107
The opening/closing mechanism of valve 8 dropping onto positioned at the inside and outside lower section of groove part 108 as described above can be concentrated.Thus, exist
In the opening/closing mechanism of valve 8, the lubricant effect of machine oil can improve, and the deterioration being led to due to friction and noise generation can
Reduce.
In addition, because groove part 108 can be formed only by bending single planar plate members, therefore independent with oily passage
The construction that is formed within cylinder head 7 compare, this is configured to easily be processed, and production capacity can improve.More
Further, because groove part 108 is formed generally V-shaped section, therefore not only groove part 108 can be only by pressing
Molded grade is formed, and is able to ensure that wide oil collecting region at groove forming part 107, thus the collection of machine oil
Should be able to be performed efficiently with confession.
Additionally, because the part of vent board 100 is formed as guide plate 104, with they by detached situation compared with, the number of part
The quantity of amount and restraint location can reduce.Thus, safeguard and the operability of assembling can be improved, and the shape of cover 95
Shape can simplify and production capacity can improve.Additionally, by the formation of groove part 108, vent board 100 can be three-dimensional
Make and its surface area can expand, thus heat radiation can strengthen and collect is included in the machine oil sewing in gas
Effect can further enhance.
However, the present invention is not limited to above-described embodiment, but can diversely be changed and be implemented.In above-mentioned enforcement
In example, the size of part shown in accompanying drawing, shape etc. do not limit, but can in the category of advantage that can reach the present invention
Carry out suitable modification.Further, the present invention can be appropriately modified in the category without prejudice to the purpose of the present invention.
For example although cylinder head 7 in this embodiment is configured for simple engine, but cylinder head is not limited to
This construction.Cylinder head 7 can be used for multi-cylinder engine.
In addition, in cylinder head 7, multiple intake valves 71 and air bleeding valve 72 can be arranged in the opening/closing mechanism of valve 8, also may be used
To arrange multiple camshafts 82.In this case, multiple groove parts 108 can be formed as making machine oil drip from this.
Further although inlet rocker arm 83 and exhaust rocker arm 84 are set the opening/closing machine of valve in the above-described embodiments
In structure 8, but any one of intake valve 71 or air bleeding valve 72 can be configured to not utilize any rocker arm just can be beaten
Open and close are closed.
In addition although in the above-described embodiments cylinder 6 and cylinder head 7 be configured to the axis C (see Fig. 2) of combustor 63 to
Top rake, but the direction tilting and angle can change.For change, groove part 108 is configured in the vertical direction
Mechanism 8 opening/closing with valve is overlapping and is configured to make machine oil drop onto the opening/closing mechanism of valve 8 from groove part 108.
In addition although in the above-described embodiments engine 5 be laterally installed, but engine can longitudinally be installed thus
It is applied to the construction that cylinder head 7 tilts to side.
In addition, in vent board 100, body flat board 103 and guide plate 104 can be formed independently and by the knot such as welding
Integrator.However, it is favourable for being formed as the guide plate of curved shape improving in production capacity according to above-described embodiment.
Further, the part of groove part 108, rather than it is overall, can be formed generally V-shaped section；Example
As it partly can be formed as the section of U-shaped in the direction of extension.
Industrial applicability
As described above, the present invention has simply to process by execution effectively supplies machine oil to the opening/closing mechanism of valve
Advantage, and the present invention is useful for machine oil in the internal internal combustion engine detached with sewing gas of cylinder head.
The Japanese patent application 2014-102453 that the application was submitted to based on May 16th, 2014.Its content by quoting and
It is incorporated herein.
Claims (6)
1. a kind of cylinder head of internal combustion engine, including：Intake valve and air bleeding valve；The opening/closing mechanism of valve, the opening/closing mechanism of described valve is by convex
Wheel shaft is opened and closure valve；Body part, described body part is used for opening/closing for valve mechanism, described intake valve and described aerofluxuss
Valve is supported on inside it, and described body part forms combustor；And cover, described cover is for covering in described combustion
Burn the side of the described body part of opposite side of room, the cylinder head of described internal combustion engine is characterised by,
Described cylinder head further includes guide plate, and described guide plate is used for providing machine oil from the top of described valve open/close mechanism,
Described fence portion ground has groove part, and in the plane graph of described internal combustion engine, described groove part configuration exists
Position with the opening/closing organizational overlapping of described valve.
2. internal combustion engine as claimed in claim 1 cylinder head it is characterised in that
The opening/closing mechanism of described valve has rocker arm, and by driving described camshaft, described rocker arm drives described intake valve and institute
State at least one of air bleeding valve；And
In the described plane graph of described internal combustion engine, described groove part configures in the position overlapping with described rocker arm.
3. the cylinder head of internal combustion engine as claimed in claim 1 or 2 is it is characterised in that described plane graph in described internal combustion engine
In, described groove part configures in the position overlapping with the cam of described camshaft.
4. the cylinder head of internal combustion engine as claimed in claim 1 is it is characterised in that in the described plane graph of described internal combustion engine,
The side that described groove part is substantially orthogonal in the axis direction with described camshaft upwardly extends.
5. internal combustion engine as claimed in claim 1 cylinder head it is characterised in that
At least a portion of described guide plate is bent, and is formed as the section of V-arrangement；And
Described groove part is to make the pointed portion straight-line extension of described V-arrangement and is formed.
6. the cylinder head of internal combustion engine as claimed in claim 1 is it is characterised in that described cover is provided with vent board, described
Vent board is used for forming gas-liquid separation chamber, and described vent board is formed as one with described guide plate.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-102453 | 2014-05-16 | ||
| JP2014102453A JP2015218648A (en) | 2014-05-16 | 2014-05-16 | Internal combustion engine cylinder head |
| PCT/JP2015/064028 WO2015174519A1 (en) | 2014-05-16 | 2015-05-15 | Cylinder head for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106460597A true CN106460597A (en) | 2017-02-22 |
Family
ID=54480055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580001062.7A Pending CN106460597A (en) | 2014-05-16 | 2015-05-15 | Cylinder head for internal combustion engine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2015218648A (en) |
| CN (1) | CN106460597A (en) |
| WO (1) | WO2015174519A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2620407A (en) * | 2022-07-06 | 2024-01-10 | Caterpillar Energy Solutions Gmbh | Lubrication device, cylinder head cover, cylinder head component, system thereof, and oil lubricated machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60128919U (en) * | 1984-02-09 | 1985-08-29 | 富士重工業株式会社 | Overhead valve engine lubrication system |
| JPS6210421Y2 (en) * | 1982-10-14 | 1987-03-11 | ||
| JP2000257412A (en) * | 1999-03-03 | 2000-09-19 | Honda Motor Co Ltd | Lubrication structure of valve drive portion for internal combustion engine |
| JP2007120480A (en) * | 2005-10-31 | 2007-05-17 | Honda Motor Co Ltd | Internal combustion engine equipped with secondary air supply device and breather device |
| JP2011196319A (en) * | 2010-03-23 | 2011-10-06 | Honda Motor Co Ltd | Engine breather device |
| CN102791969A (en) * | 2010-03-10 | 2012-11-21 | 铃木株式会社 | Breather device for engine for two-wheeled motor vehicle |
| JP2014077364A (en) * | 2012-10-09 | 2014-05-01 | Honda Motor Co Ltd | Internal combustion engine |
| JP2014084788A (en) * | 2012-10-23 | 2014-05-12 | Toyota Boshoku Corp | Oil discharge structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5927109U (en) * | 1982-08-12 | 1984-02-20 | 本田技研工業株式会社 | Internal combustion engine valve camshaft lubrication system |
| JP2580419Y2 (en) * | 1992-12-04 | 1998-09-10 | 株式会社クボタ | Breather device for overhead valve engine |
-
2014
- 2014-05-16 JP JP2014102453A patent/JP2015218648A/en active Pending
-
2015
- 2015-05-15 CN CN201580001062.7A patent/CN106460597A/en active Pending
- 2015-05-15 WO PCT/JP2015/064028 patent/WO2015174519A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6210421Y2 (en) * | 1982-10-14 | 1987-03-11 | ||
| JPS60128919U (en) * | 1984-02-09 | 1985-08-29 | 富士重工業株式会社 | Overhead valve engine lubrication system |
| JP2000257412A (en) * | 1999-03-03 | 2000-09-19 | Honda Motor Co Ltd | Lubrication structure of valve drive portion for internal combustion engine |
| JP2007120480A (en) * | 2005-10-31 | 2007-05-17 | Honda Motor Co Ltd | Internal combustion engine equipped with secondary air supply device and breather device |
| CN102791969A (en) * | 2010-03-10 | 2012-11-21 | 铃木株式会社 | Breather device for engine for two-wheeled motor vehicle |
| JP2011196319A (en) * | 2010-03-23 | 2011-10-06 | Honda Motor Co Ltd | Engine breather device |
| JP2014077364A (en) * | 2012-10-09 | 2014-05-01 | Honda Motor Co Ltd | Internal combustion engine |
| JP2014084788A (en) * | 2012-10-23 | 2014-05-12 | Toyota Boshoku Corp | Oil discharge structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015174519A1 (en) | 2015-11-19 |
| JP2015218648A (en) | 2015-12-07 |
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