CN103726897B - For the valve actuating mechanism of electromotor and the vehicle with it - Google Patents
For the valve actuating mechanism of electromotor and the vehicle with it Download PDFInfo
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- CN103726897B CN103726897B CN201310749881.2A CN201310749881A CN103726897B CN 103726897 B CN103726897 B CN 103726897B CN 201310749881 A CN201310749881 A CN 201310749881A CN 103726897 B CN103726897 B CN 103726897B
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Abstract
The invention discloses a kind of valve actuating mechanism for electromotor and there is its vehicle.This valve actuating mechanism includes: valve mechanism, and valve mechanism includes valve and valve rocker, and the top of valve and the one end fits of valve rocker, valve rocker has valve lever pin；Rocker arm assembly, the substructure of rocker arm assembly has driving chute, and valve lever pin coordinates between end face and the bottom surface driving chute；First and second rollers, the first and second rollers are all pivotally arranged on rocker arm assembly；First and second camshafts, the first camshaft has the first cam and the second camshaft has the second cam, first cam abutment the first roller and second cam abutment the second roller；Linking arm, the first end of linking arm is connected pivotly with rocker arm assembly, and the second end of linking arm is pivotally arranged in the body group of electromotor.The valve actuating mechanism of the present invention can realize the secondary opening of valve, can also extend the time of valve duration, and simple in construction simultaneously, and parts are few.
Description
Technical field
The present invention relates to automobile construction field, especially relate to a kind of valve actuating mechanism for electromotor and there is its vehicle.
Background technology
The valve actuating mechanism of electromotor is for driving the opening and closing of valve, and its port timing is generally basede on a certain narrow and small operating mode model of electromotor
The local optimum enclosed and determine, immobilize in the course of the work, and valve motion rule determined by cam profile completely.But
It is owing to cam profile is single, it is impossible to adjust valve motion rule according to electromotor actual condition conditions of demand, it is impossible to simultaneously
Adapting to the operating condition that electromotor is different, oil consumption is higher, discharges poor, is unfavorable for improving the power performance of electromotor simultaneously,
And general lift range variable technology can only change valve opening maximum lift, the comparison that shifts gears is single, and structure is complicated,
Parts are many, control loaded down with trivial details.
Summary of the invention
It is contemplated that solve one of above-mentioned technical problem of the prior art the most to a certain extent.
To this end, it is an object of the present invention to propose a kind of valve actuating mechanism for electromotor, this valve actuating mechanism can realize
The secondary opening of valve, can also extend the time of valve duration, and simple in construction simultaneously, and parts are few.
Further object is that a kind of vehicle with above-mentioned valve actuating mechanism of proposition.
The valve actuating mechanism for electromotor according to embodiments of the present invention, including: valve mechanism, described valve mechanism includes gas
Door and valve rocker, the top of described valve and the one end fits of valve rocker, described valve rocker has valve lever pin；
Rocker arm assembly, the substructure of described rocker arm assembly has driving chute, and described valve lever pin coordinates at described driving chute
Between end face and bottom surface, the end face of described driving chute constitutes driving profile, and described driving profile is suitable to drive described valve edge
It is parallel to the direction motion of valve centrage；First roller and the second roller, described first roller and described second roller
It is located at pivotally on described rocker arm assembly；First camshaft and the second camshaft, described first camshaft have the first cam and
Described second camshaft has the second cam, described in the first roller described in described first cam abutment and described second cam abutment
Second roller；Linking arm, the first end of described linking arm is connected pivotly with described rocker arm assembly, the of described linking arm
Two ends are pivotally arranged in the body group of described electromotor；And be used for regulating described first camshaft and described second cam
The phase-regulating mechanism of axle relative phase.
The valve actuating mechanism for electromotor according to embodiments of the present invention can realize secondary opening of air valve and valve duration phase
The purpose increased, when realizing secondary opening of air valve, it is possible to achieve scavenging function or raising internal EGR, simultaneously according to this
Its rocker arm assembly of the valve actuating mechanism of bright embodiment is simpler, compact, and parts are few, low cost.And, according to the present invention
The valve actuating mechanism of embodiment also simplify the structure of valve rocker, it is convenient to omit the roller of traditional valve rocking arm, and uses valve
Rocker arm shaft directly realizes driving purpose with the mode driving profile to contact, and further reduces parts.
It addition, the valve actuating mechanism for electromotor according to embodiments of the present invention, it is also possible to have a following additional technical feature:
According to some embodiments of the present invention, described rocker arm assembly includes:
Body, described first roller is pivotally arranged in the top of described body, and described second roller is respectively provided at described
The both sides of body, described driving chute is located at the bottom of described body.
According to some embodiments of the present invention, described first roller is pivotally arranged on described body by the first bearing pin,
Described body and be positioned at the second roller of described body both sides and be connected by the second bearing pin.
According to some embodiments of the present invention, described body is integrally formed with described driving chute.
According to some embodiments of the present invention, described linking arm lays respectively at the both sides of described body, said two linking arm
Described first end be connected by the 3rd bearing pin with described body, the second end of each described linking arm by the 4th bearing pin can
It is located at pivotally in described body group.
According to some embodiments of the present invention, the bottom surface of described driving chute identical with the shape of the end face of described driving chute and
It is opposite to each other.
According to some embodiments of the present invention, each described valve mechanism all includes two valves and two valve rockers；
The both sides of described driving chute are opened wide respectively, one end phase relative to each other of the valve lever pin of said two valve rocker
Even to constitute a root length axle, the middle part of described major axis coordinates in described driving chute and two ends are respectively from the both sides driving chute
Pass.
According to some embodiments of the present invention, described valve actuating mechanism also includes: back-moving spring, a part for described back-moving spring
Flexibly compress described first roller so that described body is resisted against on the outer peripheral face of described first cam.
According to some embodiments of the present invention, described phase-regulating mechanism is phaser.
Vehicle according to embodiments of the present invention, also includes the valve actuating mechanism for electromotor in above-mentioned any one technical scheme.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of valve actuating mechanism according to embodiments of the present invention；
Fig. 2 is the enlarged drawing that Fig. 1 centre circle shows D portion；
Fig. 3 is the side view of valve actuating mechanism shown in Fig. 1；
Fig. 4 is rocker arm assembly and the explosive view of linking arm of valve actuating mechanism shown in Fig. 1.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ",
Orientation or the position relationship of the instruction such as " outward ", " clockwise ", " counterclockwise " are based on orientation shown in the drawings or position relationship,
It is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must have specific
Orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or two
Above, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements.For the ordinary skill in the art, Ke Yigen
Above-mentioned term concrete meaning in the present invention is understood according to concrete condition.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
Can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but logical
Cross the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " on
Face " include that fisrt feature directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than the
Two features.Fisrt feature second feature " under ", " lower section " and " below " include that fisrt feature is special second
Levy underface and obliquely downward, or be merely representative of fisrt feature level height less than second feature.
The body group of electromotor is the support of electromotor, is toggle, valve actuating mechanism and the matrix of each system assembling.
In this field, usually, body group is mainly made up of cylinder block, cylinder head, cylinder head gasket and oil sump etc., oil
Drain pan is generally located in the bottom of cylinder block, and cylinder head is located at the top of cylinder block, cylinder head gasket be located at the end face of cylinder block with
Between the bottom surface of cylinder head, for sealing gap therebetween.
Cylinder head forms combustor together with top land and cylinder, and the top of combustor has air inlet and air vent, valve
The valve of mechanism is located in cylinder cap and closes air inlet and air vent.For existing general electromotor, use two more
Entering the valve form of scene 2, minority also has the valve form using one-in-and-one-out or three to enter scene 2.
For same electromotor, the most all there is multiple different operating mode, such as low speed small load condition, the biggest load
Operating modes etc., under electromotor is in different operating mode, moment of torsion and power that electromotor externally exports are different, electromotor simultaneously
The content of the harmful gas of discharge is the most different, and the valve actuating mechanism of electromotor is according to the cycle of operation carried out in each cylinder and igniting
The requirement of order, regularly opening and closing inlet valve and exhaust valve.
Usually, valve actuating mechanism can regulate the lift amount of valve, but regulative mode is single, it is impossible to meets well and uses
Requirement.Valve actuating mechanism according to embodiments of the present invention can realize the secondary opening of valve, the most also can proper extension valve
Opening time, regulative mode is various, thus preferably meets the requirement of different operating mode.
It is appreciated that valve actuating mechanism according to embodiments of the present invention may be used for driving the valve event of air inlet side, the most also may be used
For the valve event of driving exhaust side, or it is simultaneously used in air inlet side and exhaust side to drive corresponding valve event.Preferably
Ground, valve actuating mechanism according to embodiments of the present invention, for driving the valve event of exhaust side, in the following description, is joined with this
Mechanism of qi structure is as a example by the valve driving exhaust side.
The valve actuating mechanism 100 for electromotor according to embodiments of the present invention is described in detail referring to Fig. 1-Fig. 4.
Valve actuating mechanism 100 according to embodiments of the present invention can include valve mechanism 1, rocker arm assembly the 2, first roller 31 and
Second roller the 32, first camshaft 41 and the second camshaft 42, linking arm 5 and phase-regulating mechanism (not shown).
Wherein, valve mechanism 1 has been prior art, and is well known to those skilled in the art, and such as valve mechanism 1 can
To include valve 11 and valve rocker 12, valve 11 can along the centrage of valve 11 in valve 11 conduit up and down reciprocatingly
It is mobile to open or close the one end fits of air inlet or the air vent of combustor, the top of valve 11 and valve rocker 12,
Hydraulic tappet 13 coordinates with the other end of valve rocker 12, and hydraulic tappet 13 can be used for regulating valve 11 gap, Qi Zhongqi
Door rocking arm 12 has valve lever pin 121, and valve lever pin 121 is located on valve rocker body pivotly.
As shown in Figure 1 and Figure 4, the substructure of rocker arm assembly 2 has driving chute 22, and valve lever pin 121 coordinates and driving
Between end face 221 and the bottom surface 222 of dynamic chute 22, the end face 221 of chute 22 is driven to be configured to drive profile, driving
Face is suitable to drive valve 11 to move along the direction being parallel to valve 11 centrage by valve lever pin 121.Driving profile can
Think boot last face, but be not limited to this.Should be appreciated that those skilled in the art can flexible design driving according to actual needs
The concrete line style of profile, is not limited to above-mentioned boot last face.
First roller 31 and the second roller 32 are all pivotally arranged on rocker arm assembly 2, say, that the first roller 31 sets
On rocker arm assembly 2 and relative to rocker arm assembly 2 pivotably, the second roller 32 is located on rocker arm assembly 2 and relative to rocking arm
Assembly 2 is pivotable.
As shown in figures 1 and 3, the first camshaft 41 and the second camshaft 42 be arranged in parallel, the first camshaft 41 and second
Camshaft 42 drives rocker arm assembly 2 jointly.First camshaft 41 has the first cam 411, and the second camshaft 42 has
Two cams 421, the first cam 411 and the second cam 421 can be fitted on corresponding axle respectively.According to some of the present invention
Embodiment, each of which in the first cam 411 and the second cam 421 has big basic circle (the A section in Fig. 3), little basic circle
(the B section in Fig. 3) and the changeover portion (the C section in Fig. 3) being connected between big basic circle and little basic circle, but it is not limited to this,
For a person skilled in the art, can the molded line of adaptive settings cam according to actual needs.
As depicted in figs. 1 and 2, the first cam 411 against the first roller 31 and the second cam 421 against the second roller 32,
Thus when the first camshaft 41 and the second camshaft 42 rotate, the big basic circle of the first cam 411, little basic circle and transition
Section can contact with the first roller 31 respectively, and similarly, the big basic circle of the second camshaft 42, little basic circle and changeover portion can divide
Do not contact with the second roller 32, when the diverse location of respective cams is with corresponding roller contact, rocker arm assembly 2 action rear drive
The lift amount of valve 11 can be change.
Such as, in big basic circle and (i.e. first rolling of corresponding roller of two kinds of cams (i.e. first cam 411 and the second cam 421)
Son 31 or second roller 32) contact time, the lift amount of valve 11 can be maximum.At least one is had in two kinds of cams
When planting the little basic circle of cam and corresponding roller contact, valve 11 may be at closed mode, i.e. the lift amount of valve 11 is minimum.
And changeover portion and the corresponding roller contact of two kinds of cams or one be changeover portion, another connects with corresponding roller for big basic circle
When touching, then valve 11 lift amount can be between zero lift and maximum lift.It is understood, however, that the present invention does not limit
In this, for a person skilled in the art, on the basis having read description disclosure, it is clear that permissible
The molded line of flexible design above two cam, when the position of two kinds of cam profiles Yu corresponding roller contact changes, valve
The lift amount of 11 can also adaptations, this is for a person skilled in the art, it may be that easy to understand.
First end (F end in Fig. 4) of linking arm 5 is connected pivotly with rocker arm assembly 2, the second end (figure of linking arm 5
E end in 4) it is pivotally arranged in the body group of electromotor.Use linking arm 5 structure can limit rocker arm assembly 2
Movement locus, can keep the stability of rocker arm assembly 2, and simple in construction simultaneously well.
Here, need explanation a bit, in this field, body group mainly include cylinder block, cylinder head, cylinder head gasket with
And the parts such as oil sump, but in the present invention, body group should broadly understood, and i.e. can be understood as this body group not only
Including the parts included by above-mentioned traditional sense upper machine body group, it is also possible to include some attached installing components etc..Such as, upper
In the description in face, " the second end of linking arm 5 is pivotally arranged in the body group of electromotor " is it can be understood as linking arm 5
The second end be located in body group such as cylinder head (such as by the 4th bearing pin 54) directly the most pivotly, or can in cylinder head
To be fixedly installed intermediate member, the second end of linking arm 5 is pivotally arranged on this intermediate member, intermediate member the most here
Can be understood as a part for body group.
Phase-regulating mechanism is for regulation the first camshaft 41 and relative phase of the second camshaft 42, thus it is convex to change first
Wheel 411 and the relative phase of the second cam 421.According to one embodiment of present invention, phase-regulating mechanism can be phase place
Device, phaser can be single rotor phaser, i.e. only one of which rotor, and rotor can be with the first camshaft 41 and the second cam
One of axle 42 is connected, to regulate this camshaft phase place relative to another camshaft, it will be appreciated that phaser two cams of regulation
The relative phase of axle has been prior art, here to the specific configuration of phaser, the specific works principle of phaser and tune
Joint process does not make specified otherwise.
It is appreciated that owing to valve actuating mechanism 100 according to embodiments of the present invention drives homonymy valve 11 to use two camshafts (i.e.
First camshaft 41 and the second camshaft 42), valve actuating mechanism 100 the most according to embodiments of the present invention is regulated by phaser
After the relative phase of these two camshafts, it is possible to achieve the secondary opening of valve 11 and prolongation valve 11 opening time.
Specifically, the first camshaft 41 and the second camshaft 42 can be by the bent axle of electromotor and intermediate transmission parts
Driving, this first camshaft 41 and the second camshaft 42 can realize reversely (schematically illustrate, naturally it is also possible to be in the same direction)
Synchronous rotary (being prior art), such as, can be realized by the meshed transmission gear that the number of teeth is identical, but be not limited to this.
During the first camshaft 41 and the second camshaft 42 reversely rotate, it may appear that the big basic circle of two kinds of above-mentioned cams is equal
With corresponding roller contact, now the lift amount of valve 11 can be maximum, there is also the big basic circle of a kind of cam with right simultaneously
Answer the changeover portion of roller contact and another kind of cam and the situation of corresponding roller contact, now valve 11 lift amount relative maximum liter
Journey has reduced, and such valve 11 has twice breakdown action, is the most once opened into maximum lift, another this open liter
Journey relative maximum lift reduces, and i.e. achieves the purpose of valve 11 secondary opening.
Further, when the interval of valve 11 secondary opening is bigger, if valve 11 secondary opening of exhaust side is close to air inlet side
During valve closing time, it is possible to achieve scavenging function.If the valve 11 secondary opening time is less, such as the valve of exhaust side
When 11 secondary openings are close to the valve opening time of air inlet side, it is possible to realize the EGR of relatively large inner.Concrete control valve 11 2
The time interval of secondary unlatching, can be realized by adaptability design cam profile, but be not limited to this.
After the relative phase of phaser two camshafts of regulation, the relative phase of the first cam 411 and the second cam 421 is sent out
Raw change, now can realize increasing valve 11 open-interval purpose, such as at the relative phase having regulated two camshafts
After, two cams there will be the situation of the biggest basic circle and corresponding roller contact, now can be greatly prolonged valve 11 unlatching and hold
The continuous time.
Thus, the valve actuating mechanism 100 for electromotor according to embodiments of the present invention can realize valve 11 secondary opening and gas
Door 11 opens the purpose of duration increase, when realizing valve 11 secondary opening, it is possible to achieve scavenging function or raising are internal
EGR, its rocker arm assembly 2 of valve actuating mechanism 100 the most according to embodiments of the present invention is simpler, compact, and parts are few, becomes
This is low.And, valve actuating mechanism 100 according to embodiments of the present invention also simplify the structure of valve rocker 12, it is convenient to omit passes
The roller of system valve rocker 12, and use valve lever pin 121 directly to realize driving purpose with the mode driving profile to contact,
Further reduce parts.
According to some embodiments of the present invention, as shown in Figure 2 and Figure 4, rocker arm assembly 2 includes body 21, the first roller
31 tops being pivotally arranged in body 21, the second roller 32 is respectively provided at the both sides of body 21, drives chute 22
It is located at the bottom of body 21.Further, the first roller 31 is pivotally arranged on body 21 by the first bearing pin,
Such as, body 21 having the first side plate 211 and the second side plate 212, the first roller 31 is located in the first side plate
Between portion 211 and the second side plate 212, the first bearing pin sequentially passes through the first side plate the 211, first roller 31 and the second side
Plate portion 212.Body 21 and be positioned at the second roller 32 of body 21 both sides and be connected by the second bearing pin.
Preferably, body 21 is formed with driving chute 22 integrally casting.Thus, it is possible to Simplified flowsheet step, be conducive to
Improve the bulk strength of rocker arm assembly 2.It is understood, however, that the present invention is not limited to this, in other enforcement of the present invention
In example, body 21 with drive chute 22 can also individually molding, may then pass through welding procedure integrally welded.
According to some embodiments of the present invention, linking arm 5 lays respectively at the both sides of body 21, the i.e. both sides of body 21
It is each provided with a linking arm 5.First end of these two linking arms 5 is connected by the 3rd bearing pin 53 with body 21,
I.e. the 3rd bearing pin 53 sequentially passes through a linking arm 5, body 21 and another linking arm 5, thus three is connected to
Together.Second end of each linking arm 5 is pivotally arranged in body group by the 4th bearing pin 54.Thus, it is possible to reduce pin
The quantity of axle, reduces parts, reduction cost, and stability when can preferably keep rocker arm assembly 2 action.
In these some embodiments, linking arm 5 is it is so structured that oblong flat board, thus simple in construction, easy to process,
Low cost, takes up room little, convenient layout.
In order to avoid valve lever pin 121 impacts when action and between driving chute 22, it is preferable that drive chute 22
Bottom surface 222 with drive the end face 221(of chute 22 i.e., drive profile) shape identical and be opposite to each other.It is highly preferred that
Drive the distance between end face 221 and the bottom surface 222 of chute 22 adaptive with valve lever pin 121, such as, shake slightly larger than valve
The diameter of arm axle 121.Thus, valve lever pin 121 can reduce valve shake more smoothly driving action in chute 22
Impact between arm axle 121 and driving chute 22, reduces noise and abrasion, improves driving chute 22 and valve lever pin
The service life of 121.
According to one embodiment of present invention, each valve mechanism 1 all includes two valves 11 and two valve rockers 12.Drive
The both sides of dynamic chute 22 are opened wide respectively, and both sides the most vertically are opened wide, the valve lever pin 121 of above-mentioned two valve rocker 12
One end relative to each other be connected to constitute a root length axle 122(as shown in Figure 4), the middle part of major axis 122 coordinate drive sliding
In groove 22 and two ends pass, from the both sides driving chute 22, the valve rocker body fits being suitable for corresponding side.In other words,
In this embodiment, owing to valve 11 is two, therefore the valve rocker 12 at its top is also two, and corresponding valve shakes
Arm axle 121 is also two, and these two valve lever pins 121 may be integrally formed to constitute above-mentioned major axis 122, its one end
With the valve rocker body fits of the valve rocker body fits of side, the other end and opposite side, middle part then coordinates in driving sliding
In groove 22, one is the most only needed to drive chute 22 can drive two valves 11 simultaneously and synchronization action so that according to this
Valve actuating mechanism 100 structure of bright embodiment is compacter, simple.
It is to be understood that the present invention is not limited to this, in further embodiments, two valve lever pins 121
Also can be respectively protruding into and coordinate in driving chute 22, its one end relative to each other is spaced apart.Further, chute 22 is driven
It can be one, as long as having longer length in the axial direction.Or, driving chute 22 can also be two, each
Coordinating with the valve lever pin 121 of this side respectively, these two drive chutes 22 can be each attached to the bottom of body, but this
Invention is not limited to this.
It is appreciated that in the above-described embodiment, in order to ensure the first cam 411 and the first roller 31 and the second cam 421
Moment can keep contact condition with the second roller 32, prevent slip phenomenon, valve actuating mechanism 100 also has back-moving spring
7, as shown in Figure 1-Figure 3, back-moving spring 7 can flexibly push against one of the first roller 31 and second roller 32 so that
One roller 31 is often resisted against on the outer peripheral face of the first cam 411 and the second roller 32 is often resisted against on the second cam 421, right
For those skilled in the art, can design according to the architectural characteristic of above-mentioned rocker arm assembly 2 different structure, size,
The back-moving spring of form, can be integrative-structure, can be Split type structure, as long as ensure that respective cams and corresponding roller
Moment contacts, and this is for a person skilled in the art, it may be that easy to understand.
Such as, according to some examples of the present invention, a part for back-moving spring 7 flexibly compresses body so that the first roller
On 31 outer peripheral faces being resisted against the first cam 411, make the second roller 32 be resisted against the outer peripheral face of the second cam 421 simultaneously
On.
More specifically, as shown in Figure 1-Figure 3, back-moving spring 7 can include first end 71, the second end 72, pars intermedia
73, first volume pars convoluta 74 and volume Two pars convoluta 75, wherein first volume pars convoluta 74 is connected to first end 71 and pars intermedia 73
Between, volume Two pars convoluta 75 is connected between the second end 72 and pars intermedia 73, and wherein pars intermedia 73(is the most above-mentioned " multiple
A part for position spring ") can flexibly compress body, thus can ensure that the first roller 31 often connects with the first cam 411
Touch and the second roller 32 often contacts with the second cam 421, prevent slip phenomenon and affect valve actuating mechanism 100 and normally work
Run.
Wherein, above-mentioned first volume pars convoluta 74 and volume Two pars convoluta 75 can be positioned in body group, such as can in body group
Other intermediate member can be set for positioning arranging locating dowel in the cylinder head in above-mentioned curled portion, or body group, should
Intermediate member can be provided with the locating dowel for positioning above-mentioned curled portion, but is not limited to this.
Need explanation a bit, for a person skilled in the art, the specific configuration of back-moving spring 7 and with other parts
Fit system be not limited to this.
Vehicle according to embodiments of the present invention is briefly described below.
Vehicle according to embodiments of the present invention includes according to the valve actuating mechanism for electromotor described in the above embodiment of the present invention
100.Thus, power performance according to embodiments of the present invention is good, and noxious gas emission is few, energy-conserving and environment-protective.
It should be appreciated that other of vehicle according to embodiments of the present invention constitute such as electromotor, variator, differential mechanism,
Brakes etc. have been prior art the most and have been well known for ordinary skill in the art, and retouch the most in detail
State.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term
Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
Any one or more embodiments or example combine in an appropriate manner.Additionally, those skilled in the art can be by
Different embodiments or example described in this specification engage and combine.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, revises, replaces and modification.
Claims (9)
1. the valve actuating mechanism for electromotor, it is characterised in that including:
Valve mechanism, described valve mechanism includes that valve and valve rocker, the top of described valve are joined with one end of valve rocker
Closing, described valve rocker has valve lever pin；
Rocker arm assembly, the substructure of described rocker arm assembly has driving chute, and described valve lever pin coordinates to be slided described driving
Between end face and the bottom surface of groove, the end face of described driving chute constitutes driving profile, and described driving profile is suitable to drive described gas
Door moves along the direction being parallel to valve centrage；
First roller and the second roller, described first roller and described second roller are all pivotally arranged on described rocker arm assembly；
First camshaft and the second camshaft, described first camshaft has the first cam and described second camshaft has second
Cam, the second roller described in the first roller described in described first cam abutment and described second cam abutment；
Linking arm, the first end of described linking arm is connected pivotly with described rocker arm assembly, and the second end of described linking arm can
It is located at pivotally in the body group of described electromotor；And
For regulating the phase-regulating mechanism of described first camshaft and described second camshaft relative phase；
Each described valve mechanism all includes two valves and two valve rockers；
The both sides of described driving chute are opened wide respectively, one end phase relative to each other of the valve lever pin of said two valve rocker
Even to constitute a root length axle, the middle part of described major axis coordinates in described driving chute and two ends are respectively from the both sides driving chute
Pass.
Valve actuating mechanism for electromotor the most according to claim 1, it is characterised in that described rocker arm assembly includes:
Body, described first roller is pivotally arranged in the top of described body, and described second roller is respectively provided at described
The both sides of body, described driving chute is located at the bottom of described body.
Valve actuating mechanism for electromotor the most according to claim 2, it is characterised in that described first roller is by the
One bearing pin and be pivotally arranged on described body, described body and be positioned at described body both sides the second roller lead to
Cross the second bearing pin to be connected.
Valve actuating mechanism for electromotor the most according to claim 2, it is characterised in that described body drives with described
Dynamic chute is integrally formed.
Valve actuating mechanism for electromotor the most according to claim 2, it is characterised in that described linking arm lays respectively at
The both sides of described body, described first end of said two linking arm is connected by the 3rd bearing pin with described body, each
Second end of described linking arm is pivotally arranged in described body group by the 4th bearing pin.
Valve actuating mechanism for electromotor the most according to claim 1, it is characterised in that the bottom surface of described driving chute
Identical with the shape of the end face of described driving chute and be opposite to each other.
Valve actuating mechanism for electromotor the most according to claim 2, it is characterised in that also include: back-moving spring,
A part for described back-moving spring flexibly compresses described body so that described first roller is resisted against outside described first cam
On side face.
8. the valve actuating mechanism for electromotor stated according to claim 1, it is characterised in that described phase-regulating mechanism is phase
Position device.
9. a vehicle, it is characterised in that include according to the distribution for electromotor according to any one of claim 1-8
Mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310749881.2A CN103726897B (en) | 2013-12-30 | 2013-12-30 | For the valve actuating mechanism of electromotor and the vehicle with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310749881.2A CN103726897B (en) | 2013-12-30 | 2013-12-30 | For the valve actuating mechanism of electromotor and the vehicle with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103726897A CN103726897A (en) | 2014-04-16 |
| CN103726897B true CN103726897B (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310749881.2A Active CN103726897B (en) | 2013-12-30 | 2013-12-30 | For the valve actuating mechanism of electromotor and the vehicle with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103726897B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026256B (en) * | 2018-08-10 | 2024-03-08 | 绵阳新晨动力机械有限公司 | Variable valve lift control system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3995913B2 (en) * | 2001-10-09 | 2007-10-24 | 株式会社オティックス | Variable valve mechanism |
| JP2005140026A (en) * | 2003-11-07 | 2005-06-02 | Honda Motor Co Ltd | Engine valve system |
| JP2005171922A (en) * | 2003-12-12 | 2005-06-30 | Nippon Piston Ring Co Ltd | Variable valve mechanism |
| JP2007198363A (en) * | 2005-12-26 | 2007-08-09 | Otics Corp | Variable valve gear |
| US20080078345A1 (en) * | 2006-09-28 | 2008-04-03 | Knauf Michael B | Phaser-actuated continuously variable valve actuation system with lost motion capability |
| CN101539041B (en) * | 2009-04-29 | 2012-05-23 | 奇瑞汽车股份有限公司 | Novel stepless variable valve lift mechanism |
| CN102797531B (en) * | 2012-08-31 | 2014-10-01 | 长城汽车股份有限公司 | Device capable of changing valve lift |
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2013
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| Publication number | Publication date |
|---|---|
| CN103726897A (en) | 2014-04-16 |
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