CN103726897A - Valve timing mechanism for engine and vehicle with same - Google Patents
Valve timing mechanism for engine and vehicle with same Download PDFInfo
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- CN103726897A CN103726897A CN201310749881.2A CN201310749881A CN103726897A CN 103726897 A CN103726897 A CN 103726897A CN 201310749881 A CN201310749881 A CN 201310749881A CN 103726897 A CN103726897 A CN 103726897A
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Abstract
The invention discloses a valve timing mechanism for an engine and a vehicle with the valve timing mechanism. The valve timing mechanism comprises valve mechanisms, rocker arm components, first rollers, second rollers, first cam shafts, second cam shafts and connecting arms, wherein the valve mechanisms comprise valves and valve rocker arms. The tops of the valves are matched with one ends of the valve rocker arms, the valve rocker arms comprise valve rocker arm shafts, driving sliding grooves are formed in the bottoms of the rocker arm components, the valve rocker arm shafts are matched between the top faces and the bottom faces of the driving sliding grooves, the first rollers and the second rollers are arranged on the rocker arm components in a pivotal mode, the first cam shafts are provided with the first cams, the second cam shafts are provided with second cams, the first cams abut against the first rollers, the second cams abut against the second rollers, the first ends of the connecting arms are connected with the rocker arm components in a pivotal mode, and the second ends of the connecting arms are arranged on a machine set of the engine in a pivotal mode. The valve timing mechanism can achieve secondary opening of the valves, meanwhile can prolong the continuous time of valve opening, and is simple in structure and small in number of parts.
Description
Technical field
The present invention relates to automobile construction field, especially relate to a kind of distribution device for motor and there is its vehicle.
Background technique
The distribution device of motor is for driving the switching of valve, and its port timing is the local optimum based on a certain narrow and small condition range of motor and determining generally, immobilize in the course of the work, and valve motion rule is determined by cam profile completely.But because cam profile is single, can not adjust valve motion rule according to motor actual conditions conditions of demand, can not the different operating conditions of simultaneous adaptation motor, oil consumption is higher, discharges poor, be unfavorable for improving the power performance of motor simultaneously, and general lift range variable technology can only change valve opening maximum lift, shifts gears more single, and complex structure, component are many, control loaded down with trivial details.
Summary of the invention
The present invention is intended to solve at least to a certain extent one of above-mentioned technical problem of the prior art.
For this reason, one object of the present invention is to propose a kind of distribution device for motor, and this distribution device can be realized the secondary opening of valve, can also extend the lasting time of valve opening simultaneously, and simple in structure, and component are few.
Another object of the present invention is to propose a kind of vehicle with above-mentioned distribution device.
The distribution device for motor according to the embodiment of the present invention, comprising: valve mechanism, and described valve mechanism comprises valve and valve rocker, and the top of described valve coordinates with one end of valve rocker, and described valve rocker has valve lever pin; Rocker arm assembly, the substructure of described rocker arm assembly has driving chute, described valve lever pin is engaged between the end face and bottom surface of described driving chute, the end face of described driving chute forms the direction that drives profile, described driving profile to be suitable for driving described valve edge to be parallel to valve center line and moves; The first roller and the second roller, described the first roller and described the second roller are all located on described rocker arm assembly pivotly; The first camshaft and the second camshaft, described the first camshaft has the first cam and described the second camshaft has the second cam, and described the first cam is against described the first roller and described the second cam against described the second roller; Link arm, the first end of described link arm is connected pivotly with described rocker arm assembly, and the second end of described link arm is located in the body group of described motor pivotly; And for regulating the phase-regulating mechanism of described the first camshaft and described the second camshaft relative phase.
According to the distribution device for motor of the embodiment of the present invention, can realize the object of secondary opening of air valve and the increase of valve opening duration, when realizing secondary opening of air valve, can realize scavenging function or improve internal EGR, simultaneously simpler, compact according to its rocker arm assembly of the distribution device of the embodiment of the present invention, component are few, and cost is low.And, according to the distribution device of the embodiment of the present invention, also simplified the structure of valve rocker, can omit the roller of traditional valve rocker, and adopt valve lever pin directly to realize driving object with the mode that driving profile contacts, further reduced component.
In addition, according to the distribution device for motor of the embodiment of the present invention, can also there is following additional technical feature:
According to some embodiments of the present invention, described rocker arm assembly comprises:
Main body portion, described the first roller is located at the top of described main body portion pivotly, and described the second roller is located at respectively the both sides of described main body portion, and described driving chute is located at the bottom of described main body portion.
According to some embodiments of the present invention, described the first roller is located on described main body portion pivotly by the first bearing pin, and described main body portion and the second roller that is positioned at described main body portion both sides are connected by the second bearing pin.
According to some embodiments of the present invention, described main body portion and described driving chute are integrally formed.
According to some embodiments of the present invention, described link arm lays respectively at the both sides of described main body portion, the described first end of described two link arms is connected by the 3rd bearing pin with described main body portion, and described in each, the second end of link arm is located in described body group pivotly by the 4th bearing pin.
According to some embodiments of the present invention, the shape of the bottom surface of described driving chute and the end face of described driving chute identical and each other over against.
According to some embodiments of the present invention, described in each, valve mechanism includes two valves and two valve rockers;
The both sides of described driving chute are opened wide respectively, and one end respect to one another of the valve lever pin of described two valve rockers is connected to form a major axis, and the middle part of described major axis is engaged in described driving chute and two ends pass from the both sides of driving chute respectively.
According to some embodiments of the present invention, described distribution device also comprises: Returnning spring, a part for described Returnning spring flexibly compresses described the first roller so that described main body portion is resisted against on the outer circumferential face of described the first cam.
According to some embodiments of the present invention, described phase-regulating mechanism is phase discriminator.
According to the vehicle of the embodiment of the present invention, also comprise the distribution device for motor in above-mentioned any one technological scheme.
Accompanying drawing explanation
Fig. 1 is according to the stereogram of the distribution device of the embodiment of the present invention;
Fig. 2 is the enlarged view that Fig. 1 centre circle shows D portion;
Fig. 3 is the side view of distribution device shown in Fig. 1;
Fig. 4 is the rocker arm assembly of distribution device shown in Fig. 1 and the explosive view of link arm.
Embodiment
Describe embodiments of the invention below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
The body group of motor is the support of motor, is the matrix of connecting rod, distribution device and the assembling of each system.In related domain, usually, body group is mainly comprised of cylinder block, cylinder head, cylinder head gasket and oil sump etc., oil sump is generally located at the bottom of cylinder block, cylinder head is located at the top of cylinder block, cylinder head gasket is located between the end face of cylinder block and the bottom surface of cylinder head, for sealing the gap between the two.
Cylinder head forms firing chamber together with cylinder with piston head, the top of firing chamber has suction port and relief opening, and the valve of valve mechanism is located in cylinder cap and sealing suction port and relief opening.For existing general motor, adopt the two valve forms of entering scene 2 more, minority also has the valve form that adopts one-in-and-one-out or three to enter scene 2.
For same motor, generally all there is multiple different operating mode, such as low speed small load condition, high speed high load working condition etc., when motor is under different operating modes, motor externally moment of torsion and the power of output is different, the content of the harmful gas of motor discharge is simultaneously also different, and the distribution device of motor, according to the requirement of the work cycle of carrying out in each cylinder and firing order, regularly opens and closes intake valve and exhaust valve.
Usually, distribution device can regulate the lift amount of valve, but regulative mode is single, can not meet well usage requirement.According to the distribution device of the embodiment of the present invention, can realize the secondary opening of valve, opening time that simultaneously also can proper extension valve, regulative mode is various, thereby meets better the requirement of different operating modes.
Being appreciated that can be for driving into the valve event of gas side according to the distribution device of the embodiment of the present invention, can certainly be for driving the valve event of exhaust side, or be used in air inlet side and exhaust side to drive corresponding valve event simultaneously.Preferably, according to the distribution device of the embodiment of the present invention, for driving the valve event of exhaust side, in the following description, take this distribution device is example for driving the valve of exhaust side.
Below with reference to Fig. 1-Fig. 4, describe in detail according to the distribution device 100 for motor of the embodiment of the present invention.
According to the distribution device 100 of the embodiment of the present invention, can comprise valve mechanism 1, rocker arm assembly 2, the first roller 31 and the second roller 32, the first camshaft 41 and the second camshaft 42, link arm 5 and phase-regulating mechanism (scheming not shown).
Wherein, valve mechanism 1 has been prior art, and known by those skilled in the art, for example valve mechanism 1 can comprise valve 11 and valve rocker 12, valve 11 can move back and forth up and down to open or close suction port or the relief opening of firing chamber along the center line of valve 11 in valve 11 conduits, the top of valve 11 coordinates with one end of valve rocker 12, hydraulic tappet 13 coordinates with the other end of valve rocker 12, hydraulic tappet 13 can be used for regulating valve 11 gaps, wherein valve rocker 12 has valve lever pin 121, 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 the chute 22 of driving; valve lever pin 121 is engaged between the end face 221 and bottom surface 222 that drives chute 22; drive the end face 221 of chute 22 to be configured to drive profile, drive profile to be suitable for driving valve 11 to move along the direction that is parallel to valve 11 center lines by valve lever pin 121.Driving profile can be boot last face, but is not limited to this.Should be appreciated that those skilled in the art can be according to actual needs and flexible design drives the concrete line style of profile, be not limited to above-mentioned boot last face.
The first roller 31 and the second roller 32 are all located on rocker arm assembly 2 pivotly, that is to say, the first roller 31 is located on rocker arm assembly 2 and can pivotable with respect to rocker arm assembly 2, and the second roller 32 is located on rocker arm assembly 2 and can pivotable with respect to rocker arm assembly 2.
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 the common rocker arm assembly 2 that drives of the second camshaft 42.The first camshaft 41 has that the first cam 411, the second camshafts 42 have the second cam 421, the first cams 411 and the second cam 421 can be fitted in respectively on corresponding axle.According to some embodiments of the present invention, each in the first cam 411 and the second cam 421 all has large basic circle (the A section in Fig. 3), little basic circle (the B section in Fig. 3) and is connected to the changeover portion (the C section in Fig. 3) between large basic circle and little basic circle, but be not limited to this, for a person skilled in the art, can be according to actual needs and the molded line of adaptive settings cam.
As depicted in figs. 1 and 2, the first cam 411 is 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 rotation, the large basic circle of the first cam 411, little basic circle and changeover portion can contact with the first roller 31 respectively, similarly, the large basic circle of the second camshaft 42, little basic circle and changeover portion can contact with the second roller 32 respectively, when the diverse location of respective cams contacts with corresponding roller, the lift amount of rocker arm assembly 2 action rear driving valves 11 can change.
For example, when the large basic circle of two kinds of cams (i.e. the first cam 411 and the second cam 421) contacts with corresponding roller (i.e. the first roller 31 or the second roller 32), the lift amount of valve 11 can be maximum.While existing the little basic circle of at least one cam to contact with corresponding roller in two kinds of cams, valve 11 can be in closed condition, and the lift amount of valve 11 is minimum.And the changeover portion of two kinds of cams contact with corresponding roller or one for changeover portion, another is when contact with corresponding roller for large basic circle, valve 11 lift amount can be between zero lift and maximum lift.But, be to be understood that, the present invention is not limited to this, for a person skilled in the art, reading on the basis of specification content disclosed herein molded line that obviously can the above-mentioned two kinds of cams of flexible design, when the position contacting with corresponding roller at two kinds of cam profiles changes, the lift amount of valve 11 also can adaptations, this for a person skilled in the art, should be hold intelligible.
The first end of link arm 5 (F end in Fig. 4) is connected pivotly with rocker arm assembly 2, and the second end of link arm 5 (the E end in Fig. 4) is located in the body group of motor pivotly.Adopt link arm 5 structures can limit the movement locus of rocker arm assembly 2, the while can keep the stability of rocker arm assembly 2 well, and simple in structure.
Here, need explanation a bit, in related domain, body group mainly comprises the parts such as cylinder block, cylinder head, cylinder head gasket and oil sump, but in the present invention, body group should be made broad understanding, can be understood as this body group and not only comprises the included parts of above-mentioned traditional sense upper machine body group, can also comprise some attached assemblys etc.For example, in superincumbent description, " the second end of link arm 5 is located in the body group of motor pivotly ", the second end that can be understood as link arm 5 directly pivotly (for example, by the 4th bearing pin 54) is located at body group as in cylinder head, or can be fixedly installed intermediate member in cylinder head, the second end of link arm 5 is located on this intermediate member pivotly, and to can be understood as be a part for body group for the intermediate member here.
Phase-regulating mechanism is for regulating the relative phase of the first camshaft 41 and the second camshaft 42, thus the relative phase of change the first cam 411 and the second cam 421.According to one embodiment of present invention, phase-regulating mechanism can be phase discriminator, phase discriminator can be single rotor phase discriminator, only has a rotor, rotor can be connected with one of second camshaft 42 with the first camshaft 41, to regulate this camshaft phase place of another camshaft relatively, is to be understood that, it has been prior art that phase discriminator regulates the relative phase of two camshafts, the specific works principle of the concrete structure of phase discriminator, phase discriminator and adjustment process is not made to specified otherwise here.
Be appreciated that, owing to driving homonymy valve 11 to adopt two camshafts (i.e. the first camshaft 41 and the second camshaft 42) according to the distribution device 100 of the embodiment of the present invention, therefore according to the distribution device 100 of the embodiment of the present invention, by phase discriminator, regulate after the relative phase of these two camshafts, can realize the secondary opening of valve 11 and extend 11 opening times of valve.
Particularly, the first camshaft 41 and the second camshaft 42 can drive by bent axle and the intermediate transmission parts of motor, this first camshaft 41 and the second camshaft 42 can be realized oppositely (signal explanation, can certainly be in the same way) synchronous rotary (being prior art), for example can realize by the identical meshed transmission gear of the number of teeth, but be not limited to this.In the process of the first camshaft 41 and the second camshaft 42 counterrotatings, there will be the large basic circle of two kinds of above-mentioned cams all to contact with corresponding roller, now the lift amount of valve 11 can be maximum, the situation that simultaneously also there will be a kind of large basic circle of cam and the changeover portion of corresponding roller contact and another kind of cam to contact with corresponding roller, now the relative maximum lift of valve 11 lift amount reduces to some extent, valve 11 has breakdown action twice like this, wherein once be opened into maximum lift, the relative maximum lift of lift of another this unlatching reduces, realized the object of valve 11 secondary openings.
Further, when the interval of valve 11 secondary openings is larger, the valve-closing that approaches air inlet side as valve 11 secondary openings of exhaust side constantly time, can realize scavenging function.If the 11 secondary opening times of valve hour, the valve opening that approaches air inlet side as valve 11 secondary openings of exhaust side constantly time, can be realized the EGR of larger inside.In the concrete time lag of controlling valve 11 secondary openings, can realize by adaptability design cam profile, but be not limited to this.
At phase discriminator, regulate after the relative phase of two camshafts, the relative phase of the first cam 411 and the second cam 421 changes, now can realize and increase valve 11 open-interval objects, for example, after having regulated the relative phase of two camshafts, two situations that cams there will be lasting large basic circle to contact with corresponding roller, now can greatly extend valve 11 and open the endurance.
Thus, according to the distribution device 100 for motor of the embodiment of the present invention, can realize the object of valve 11 secondary openings and valve 11 unlatching durations increases, when realizing valve 11 secondary opening, can realize scavenging function or improve internal EGR, simultaneously simpler, compact according to distribution device 100 its rocker arm assemblies 2 of the embodiment of the present invention, component are few, and cost is low.And, according to the distribution device 100 of the embodiment of the present invention, also simplified the structure of valve rocker 12, can omit the roller of traditional valve rocker 12, and adopt valve lever pin 121 directly to realize driving object with the mode that drives profile to contact, further reduce component.
According to some embodiments of the present invention, as shown in Figure 2 and Figure 4, rocker arm assembly 2 comprises that main body portion 21, the first rollers 31 are located at the top of main body portion 21 pivotly, the second roller 32 is located at respectively the both sides of main body portion 21, drives chute 22 to be located at the bottom of main body portion 21.Further, the first roller 31 is located on main body portion 21 pivotly by the first bearing pin, for example, on main body portion 21, there is the first side plate 211 and the second side plate 212, the first roller 31 is located between the first side plate 211 and the second side plate 212, and the first bearing pin is successively through the first side plate 211, the first roller 31 and the second side plate 212.Main body portion 21 and the second roller 32 that is positioned at main body portion 21 both sides are connected by the second bearing pin.
Preferably, main body portion 21 forms with driving chute 22 integrally castings.Thus, can simplify process step, be conducive to improve the bulk strength of rocker arm assembly 2.But, should be appreciated that the present invention is not limited to this, in other embodiments of the invention, main body portion 21 also can be distinguished independent moulding with driving chute 22, then can be integrally welded by welding procedure.
According to some embodiments of the present invention, link arm 5 lays respectively at the both sides of main body portion 21, and the both sides of main body portion 21 are respectively provided with a link arm 5.The first end of these two link arms 5 is connected by the 3rd bearing pin 53 with main body portion 21, and the 3rd bearing pin 53 passes link arm 5, main body portion 21 and another link arm 5 successively, thereby three is linked together.The second end of each link arm 5 is located in body group pivotly by the 4th bearing pin 54.Thus, can reduce the quantity of bearing pin, reduce component, reduce costs, and the stability can keep better rocker arm assembly 2 action time.
In these some embodiments, link arm 5 can be configured to oblong flat board, and simple in structure thus, easy to process, cost is low, takes up room little, convenient layout.
For fear of valve lever pin 121, in when action, impact with driving between chute 22, preferably, drive the bottom surface 222 of chute 22 and the end face 221(of driving chute 22, driving profile) shape identical and each other over against.More preferably, drive end face 221 and the distance between bottom surface 222 and valve lever pin 121 adaptations of chute 22, for example, be slightly larger than the diameter of valve lever pin 121.Thus, valve lever pin 121 can more smoothly drive the interior action of chute 22, reduces valve lever pin 121 and drives the impact between chute 22, reduces noise and wearing and tearing, has improved the working life that drives chute 22 and valve lever pin 121.
According to one embodiment of present invention, each valve mechanism 1 includes two valves 11 and two valve rockers 12.Drive the both sides of chute 22 to open wide respectively, both sides are vertically opened wide, one end respect to one another of the valve lever pin 121 of above-mentioned two valve rockers 12 is connected to form a major axis 122(as shown in Figure 4), the middle part of major axis 122 is engaged in driving chute 22 and two ends pass to be suitable for to coordinate with the valve rocker body of corresponding side from the both sides of driving chute 22.In other words, in this embodiment, because valve 11 is two, therefore the valve rocker 12 at its top is also two, corresponding valve lever pin 121 is also two, these two valve lever pins 121 can be integrally formed to form above-mentioned major axis 122, its one end coordinates with the valve rocker body of a side, the other end coordinates with the valve rocker body of opposite side, middle part is engaged in and drives in chute 22, only need thus one to drive chute 22 can drive two valves 11 simultaneously and synchronization motion, make according to distribution device 100 structures of the embodiment of the present invention compacter, simply.
But, should be understood that, the present invention is not limited to this, and in further embodiments, two valve lever pins 121 also can stretch into respectively and be engaged in and drive in chute 22, and its one end respect to one another is spaced apart.Further, driving chute 22 can be one, as long as have in the axial direction longer length.Or, drive chute 22 can be also two, each coordinates with the valve lever pin 121 of this side respectively, and these two drive chute 22 can all be fixed on the bottom of main body portion, but the invention is not restricted to this.
Be appreciated that, in the above-described embodiment, in order to guarantee that the first cam 411 and the first roller 31 and the second cam 421 and the second roller 32 can keep in touch state constantly, prevent slip phenomenon, distribution device 100 also has Returnning spring 7, as shown in Figure 1-Figure 3, Returnning spring 7 can flexibly push against one of the first roller 31 and second roller 32 so that the first roller 31 is often resisted against on the outer circumferential face of the first cam 411 and the second roller 32 is often resisted against on the second cam 421, for a person skilled in the art, can design different structure according to the structural characteristics of above-mentioned rocker arm assembly 2, size, the Returnning spring of form, it can be integrative-structure, it can be Split type structure, as long as can guarantee that respective cams contacts constantly with corresponding roller, this for a person skilled in the art, should be that appearance is intelligible.
For example, according to examples more of the present invention, a part for Returnning spring 7 flexibly compresses main body portion so that the first roller 31 is resisted against on the outer circumferential face of the first cam 411, makes the second roller 32 be resisted against on the outer circumferential face of the second cam 421 simultaneously.
More specifically, as shown in Figure 1-Figure 3, Returnning spring 7 can comprise first end 71, the second end 72, intermediate portion 73, first volume pars convoluta 74 and volume Two pars convoluta 75, wherein first volume pars convoluta 74 is connected between first end 71 and intermediate portion 73, volume Two pars convoluta 75 is connected between the second end 72 and intermediate portion 73, intermediate portion 73(i.e. above-mentioned " part for Returnning spring " wherein) can flexibly compress main body portion, can guarantee that thus the first roller 31 often contacts with the first cam 411 and the second roller 32 often contacts with the second cam 421, prevent slip phenomenon and affect distribution device 100 normal operations.
Wherein, above-mentioned first volume pars convoluta 74 and volume Two pars convoluta 75 can be positioned in body group, locating column for example can be set for locating above-mentioned curled portion in body group, or in the cylinder head in body group, other intermediate member can be set, this intermediate member can be provided with for locating the locating column of above-mentioned curled portion, but is not limited to this.
Need explanation a bit, for a person skilled in the art, the concrete structure of Returnning spring 7 and be not limited to this with the fit system of other parts.
Below simply describe according to the vehicle of the embodiment of the present invention.
According to the vehicle of the embodiment of the present invention, comprise according to the distribution device 100 for motor of describing in the above embodiment of the present invention.Thus, good according to the vehicle power of the embodiment of the present invention, noxious gas emission is few, energy-conserving and environment-protective.
Should be understood that, according to other configuration example of the vehicle of the embodiment of the present invention as motor, speed changer, differential mechanism, braking system etc. be all prior art and being well known for ordinary skill in the art, therefore describe in detail no longer one by one here.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiments or example.In addition, those skilled in the art can engage the different embodiments that describe in this specification or example and combine.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, modification, replacement and modification.
Claims (10)
1. for a distribution device for motor, it is characterized in that, comprising:
Valve mechanism, described valve mechanism comprises valve and valve rocker, and the top of described valve coordinates with one end of valve rocker, and described valve rocker has valve lever pin;
Rocker arm assembly, the substructure of described rocker arm assembly has driving chute, described valve lever pin is engaged between the end face and bottom surface of described driving chute, the end face of described driving chute forms the direction that drives profile, described driving profile to be suitable for driving described valve edge to be parallel to valve center line and moves;
The first roller and the second roller, described the first roller and described the second roller are all located on described rocker arm assembly pivotly;
The first camshaft and the second camshaft, described the first camshaft has the first cam and described the second camshaft has the second cam, and described the first cam is against described the first roller and described the second cam against described the second roller;
Link arm, the first end of described link arm is connected pivotly with described rocker arm assembly, and the second end of described link arm is located in the body group of described motor pivotly; And
For regulating the phase-regulating mechanism of described the first camshaft and described the second camshaft relative phase.
2. the distribution device for motor according to claim 1, is characterized in that, described rocker arm assembly comprises:
Main body portion, described the first roller is located at the top of described main body portion pivotly, and described the second roller is located at respectively the both sides of described main body portion, and described driving chute is located at the bottom of described main body portion.
3. the distribution device for motor according to claim 2, it is characterized in that, described the first roller is located on described main body portion pivotly by the first bearing pin, and described main body portion and the second roller that is positioned at described main body portion both sides are connected by the second bearing pin.
4. the distribution device for motor according to claim 2, is characterized in that, described main body portion and described driving chute are integrally formed.
5. the distribution device for motor according to claim 2, it is characterized in that, described link arm lays respectively at the both sides of described main body portion, the described first end of described two link arms is connected by the 3rd bearing pin with described main body portion, and described in each, the second end of link arm is located in described body group pivotly by the 4th bearing pin.
6. the distribution device for motor according to claim 1, is characterized in that, the shape of the bottom surface of described driving chute and the end face of described driving chute identical and each other over against.
7. the distribution device for motor according to claim 1, is characterized in that, described in each, valve mechanism includes two valves and two valve rockers;
The both sides of described driving chute are opened wide respectively, and one end respect to one another of the valve lever pin of described two valve rockers is connected to form a major axis, and the middle part of described major axis is engaged in described driving chute and two ends pass from the both sides of driving chute respectively.
8. the distribution device for motor according to claim 2, is characterized in that, also comprises: Returnning spring, a part for described Returnning spring flexibly compresses described main body portion so that described the first roller is resisted against on the outer circumferential face of described the first cam.
9. the distribution device for motor of stating according to claim 1, is characterized in that, described phase-regulating mechanism is phase discriminator.
10. a vehicle, is characterized in that, comprises according to the distribution device for motor described in any one in claim 1-9.
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 true CN103726897A (en) | 2014-04-16 |
| CN103726897B CN103726897B (en) | 2016-12-07 |
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Family Applications (1)
| 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 |
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| CN (1) | CN103726897B (en) |
Cited By (1)
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| CN109026256A (en) * | 2018-08-10 | 2018-12-18 | 绵阳新晨动力机械有限公司 | A kind of variable valve lift control system |
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| CN109026256A (en) * | 2018-08-10 | 2018-12-18 | 绵阳新晨动力机械有限公司 | A kind of variable valve lift control system |
| 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 |
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| CN103726897B (en) | 2016-12-07 |
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