CN103742222B - For motor distribution device and there is its vehicle - Google Patents
For motor distribution device and there is its vehicle Download PDFInfo
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- CN103742222B CN103742222B CN201310749797.0A CN201310749797A CN103742222B CN 103742222 B CN103742222 B CN 103742222B CN 201310749797 A CN201310749797 A CN 201310749797A CN 103742222 B CN103742222 B CN 103742222B
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Abstract
The invention discloses a kind of distribution device for motor and there is its vehicle.This distribution device comprises: valve mechanism; Rocker arm assembly, the substructure of rocker arm assembly has driving profile; First to three rollers, and first is located on rocker arm assembly all pivotly to three rollers, first and three rollers coaxially arranged; First and second camshafts, the first camshaft has the first cam and the second camshaft has the second cam, the first cam abutment first roller and the second cam abutment second roller; Lift adjustment mechanism, lift adjustment mechanism comprises: driven unit and briquetting, and the bottom surface of briquetting is configured to lift profile, lift profile and three rollers snug fit, and driven unit drives briquetting to rotate; For regulating the phase-regulating mechanism of the first camshaft and the second camshaft relative phase.Distribution device of the present invention can realize the secondary opening of valve, can also extend the time of valve duration simultaneously, and structure is simple, and component are few.
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 for driving the opening and closing of valve, its port timing generally based on a certain narrow and small condition range of motor local optimum and determine, immobilize in the course of the work, and valve motion rule is determined by cam profile completely.But because cam profile is single, valve motion rule can not be adjusted 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 the power performance improving 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 one of above-mentioned technical problem of the prior art at least to a certain extent.
For this reason, one object of the present invention is to propose a kind of distribution device for motor, and this distribution device can realize the secondary opening of valve, can also extend the time of valve duration simultaneously, and structure is simple, and component are few.
Another object of the present invention is to propose a kind of vehicle with above-mentioned distribution device.
According to the distribution device for motor of the embodiment of the present invention, comprising: valve mechanism; Rocker arm assembly, the substructure of described rocker arm assembly has driving profile, and described driving profile is suitable for driving the valve of valve mechanism to move along the direction being parallel to valve center line; First roller, the second roller and three rollers, described first roller, described second roller and described three rollers are located on described rocker arm assembly all pivotly, described first roller and described three rollers coaxially arranged; First camshaft and the second camshaft, described first camshaft has the first cam and described second camshaft has the second cam, the second roller described in the first roller described in described first cam abutment and described second cam abutment; Lift adjustment mechanism, described lift adjustment mechanism comprises: driven unit and briquetting, the bottom surface of described briquetting is configured to lift profile, described lift profile and described three rollers snug fit, described driven unit drives described briquetting to rotate around adjustment axis with the cooperation position changing described lift profile and described three rollers; And for regulating the phase-regulating mechanism of described first camshaft and described second camshaft relative phase.
The object of secondary opening of air valve and the increase of valve duration phase can be realized according to the distribution device for motor of the embodiment of the present invention, when realizing secondary opening of air valve, scavenging function can be realized or improve internal EGR, simultaneously simpler, compact according to its rocker arm assembly of distribution device of the embodiment of the present invention, component are few, and cost is low.And, owing to being provided with the cause of lift adjustment mechanism, the continuous variable of valve lift can be realized, solve well motor under full working scope such as high speed high load working condition and low speed small load condition to the requirement of distribution, reduce pumping loss, substantially increase the power performance and the economy performance of motor, reduce the discharge of the harmful gases such as HC, CO, CO2, NOx.
In addition, according to the distribution device for motor of the embodiment of the present invention, can also following additional technical feature be had:
According to some embodiments of the present invention, described rocker arm assembly comprises:
Two rocking arm portions and intermediate link arm portion, described two Rocker arm section are not located at the two ends in described intermediate link arm portion, and described two rocking arm portions are oppositely arranged and axis along the first and second camshafts is spaced apart from each other.
According to some embodiments of the present invention, described rocker arm assembly also comprises: drive portion, and described drive portion is located at the bottom in each described rocking arm portion, and described drive portion is configured to laminar body and bottom surface is that cambered surface is to form described driving profile.
According to some embodiments of the present invention, the two ends in described intermediate link arm portion are respectively arranged with described first roller, and the outside of described first roller is respectively arranged with described three rollers, and described second roller is between described two rocking arm portions.
According to some embodiments of the present invention, described intermediate link arm portion, described first roller are connected by the first bearing pin with described three rollers, and described second roller is connected by the second bearing pin with described two rocking arm portions.
According to some embodiments of the present invention, the radial dimension of described first roller is less than the radial dimension of described three rollers.
According to some embodiments of the present invention, described driven unit comprises:
Adjusting axle, described briquetting is fixed on described adjusting axle, and described adjusting axle can around the center axis thereof of described adjusting axle, and the central axis of described adjusting axle overlaps with described adjustment axis.
According to some embodiments of the present invention, described driven unit comprises further: motor, turbine and worm screw, and the output shaft of described motor is connected with described worm screw, and described turbine is fixed on described adjusting axle, described turbine and described worm meshing.
According to some embodiments of the present invention, described phase-regulating mechanism is phase discriminator;
Described distribution device also comprises: valve rocker and hydraulic tappet, described valve rocker is provided with valve rocker roller, the top of described valve and the one end fits of described valve rocker, described hydraulic tappet coordinates with the other end of described valve rocker, and described driving profile is resisted against on described valve rocker roller.
According to the vehicle of the embodiment of the present invention, comprise according to the distribution device for motor in the above-mentioned any one technological scheme of the present invention.
Accompanying drawing explanation
Fig. 1 is the stereogram of the distribution device according to the embodiment of the present invention;
Fig. 2 is the side view of distribution device shown in Fig. 1;
Fig. 3 is stereogram and the roller of the rocker arm assembly of distribution device shown in Fig. 1.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " 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 the instruction 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, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can 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, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
The body group of motor is the support of motor, is the matrix of connecting rod, distribution device and each system assembling.In related domain, usually, body group is primarily of compositions such as cylinder block, cylinder head, cylinder head gasket and oil sumps, 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 gap therebetween.
Cylinder head forms firing chamber with piston head together with cylinder, and the top of firing chamber has suction port and relief opening, and the valve of valve mechanism to be located in cylinder cap and to close suction port and relief opening.For existing general motor, the valve form of scene 2 is entered in many employings two, and minority also has the valve form adopting 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., under motor is in different operating mode, the moment of torsion that motor externally exports and power are different, the content of the harmful gas of simultaneously motor discharge is also different, the distribution device of motor according to the requirement of the work cycle of carrying out in each cylinder and firing order, timing opening and closing intake valve and exhaust valve.
Usually, distribution device can regulate the lift amount of valve, but regulative mode is single, can not meet usage requirement well.The secondary opening of valve can be realized according to the distribution device of the embodiment of the present invention, simultaneously also can the opening time of proper extension valve, regulative mode is various, thus meets the requirement of different operating mode better.
Be appreciated that and may be used for driving the valve event of air inlet side according to the distribution device of the embodiment of the present invention, the valve event driving exhaust side can certainly be used for, 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, for this distribution device for driving the valve of exhaust side.
The distribution device 100 for motor according to the embodiment of the present invention is described in detail referring to Fig. 1-Fig. 3.
Valve mechanism 1, rocker arm assembly 2, first roller 31, second roller 32, three rollers 33, first camshaft 41 and the second camshaft 42, lift adjustment mechanism 5 and phase-regulating mechanism (scheming not shown) can be comprised according to the distribution device 100 of the embodiment of the present invention.
Wherein, valve mechanism 1 has been prior art, and known by those skilled in the art, such as valve mechanism 1 can comprise valve 11, valve 11 can move back and forth up and down along the center line of valve 11 suction port or the relief opening that open or close firing chamber in valve guide bushing, the part of identical setting can be adopted with prior art for these, be not described in detail here.
As depicted in figs. 1 and 2, the substructure of rocker arm assembly 2 has driving profile 231, drives profile 231 to be suitable for driving valve 11 to move along the direction being parallel to valve 11 center line, drives profile 231 to be boot last face, but be not limited thereto.Should be appreciated that those skilled in the art according to actual needs and flexible design drives the concrete line style of profile 231, can be not limited to above-mentioned boot last face.
First roller 31, second roller 32 and three rollers 33 are located on rocker arm assembly 2 all pivotly, that is, first roller 31 to be located on rocker arm assembly 2 and can pivotable relative to rocker arm assembly 2, second roller 32 to be located on rocker arm assembly 2 and can pivotable relative to rocker arm assembly 2, and three rollers 33 to be located on rocker arm assembly 2 and can pivotable relative to rocker arm assembly 2.Wherein, the first roller 31 and three rollers 33 coaxially arranged, i.e. the central axis of the first roller 31 and the central axes of three rollers 33.Here, it should be noted that, the first roller 31 and three rollers 33 can under the driving effect of the first camshaft 41 corresponding actions, when action, the first roller 31 and three rollers 33 also keep coaxial state.
As depicted in figs. 1 and 2, the first camshaft 41 and the second camshaft 42 be arranged in parallel, and the first camshaft 41 and the second camshaft 42 drive rocker arm assembly 2 jointly.First camshaft 41 has the first cam 411, second camshaft 42 and has the second cam 421, first cam 411 and the second cam 421 can be fitted on corresponding axle respectively.
According to some embodiments of the present invention, each changeover portion (the C section in Fig. 2) that all there is large basic circle (the A section in Fig. 2), little basic circle (the B section in Fig. 2) and be connected between large basic circle and little basic circle in first cam 411 and the second cam 421, but be not limited thereto, 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, 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 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 diverse location and the corresponding roller contact of respective cams, the lift amount of rocker arm assembly 2 action rear driving valve 11 can be change.
Such as, 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.When there is the little basic circle of at least one cam and corresponding roller contact in two kinds of cams, valve 11 can be in closed condition, and namely the lift amount of valve 11 is minimum.And the changeover portion of two kinds of cams and corresponding roller contact or one be changeover portion, another for large basic circle and corresponding roller contact time, then valve 11 lift amount can 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, on the basis of having read specification content disclosed herein, obviously can the molded line of the above-mentioned two kinds of cams of flexible design, when the position of two kinds of cam profiles and corresponding roller contact changes, the lift amount of valve 11 also can adaptations, and this should be easy understand for a person skilled in the art.
As depicted in figs. 1 and 2, lift adjustment mechanism 5 comprises driven unit and briquetting 51, the bottom surface of briquetting 51 is configured to lift profile 511, lift profile 511 and three rollers 33 snug fit, in other words, three rollers 33 is against the restriction by lift profile 511 during lift profile 511, the three rollers 33 action, and then have influence on the first roller 31 so that the movement locus of whole rocker arm assembly 2, finally affect the lift amount of valve 11.
Should be understood that, lift profile 511 can precompute the linear of this lift profile 511 according to the different operating modes of motor, like this when this motor is with a certain operating mode running, lift profile 511 has the line style part be suitable for being most suitable under this operating mode coordinating with three rollers 33, thus the lift amount of valve 11 is suitable for, ensure to enter abundance and suitable air quantity in firing chamber, so as with fuel oil Thorough combustion, improve Power output and the fuel economy of motor.This lift profile 511 can comprise little lift profile section, high-lift profile section etc., but is not limited thereto.
Driven unit drives briquetting 51 to rotate around adjustment axis with the cooperation position changing lift profile 511 and three rollers 33, thus the overall lift amount changing valve 11, as entirety increases the lift amount of valve 11 or the overall lift amount reducing valve 11.
Phase-regulating mechanism for regulating the relative phase of the first camshaft 41 and the second camshaft 42, thus changes the relative phase of 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, namely a rotor is only had, rotor can be connected with one of second camshaft 42 with the first camshaft 41, to regulate the phase place of this camshaft another camshaft relative, is to be understood that, phase discriminator regulates the relative phase of two camshafts to be prior art, does not make specified otherwise here to the concrete structure of phase discriminator, the specific works principle of phase discriminator and adjustment process.
Be appreciated that, two camshafts (i.e. the first camshaft 41 and the second camshaft 42) are adopted owing to driving homonymy valve 11 according to the distribution device 100 of the embodiment of the present invention, therefore, to be regulated the relative phase of these two camshafts by phase discriminator according to the distribution device 100 of the embodiment of the present invention after, the secondary opening of valve 11 can be realized and extend valve 11 opening time.
Specifically, first camshaft 41 and the second camshaft 42 can be driven by the bent axle of motor and intermediate transmission parts, (signal explanation that this first camshaft 41 and the second camshaft 42 can realize oppositely, can certainly be in the same way) 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 thereto.In the process of the first camshaft 41 and the second camshaft 42 counterrotating, the large basic circle that there will be two kinds of above-mentioned cams all with corresponding roller contact, now the lift amount of valve 11 can be maximum, the large basic circle that simultaneously also there will be a kind of cam is with corresponding roller contact and the situation of the changeover portion of another kind of cam and corresponding roller contact, now the relative maximum lift of valve 11 lift amount reduces to some extent, such valve 11 has twice breakdown action, wherein once be opened into maximum lift, another this relative maximum lift of lift of opening reduces, namely the object of valve 11 secondary opening is achieved.
Further, when the interval of valve 11 secondary opening is larger, during as valve closing time close to air inlet side of valve 11 secondary opening of exhaust side, scavenging function can be realized.If the valve 11 secondary opening time is time less, during as valve opening time close to air inlet side of valve 11 secondary opening of exhaust side, the EGR compared with large inner can be realized.In the time lag of concrete control valve 11 secondary opening, can be realized by adaptability design cam profile, but be not limited thereto.
Regulate the relative phase of two camshafts at phase discriminator after, the relative phase of the first cam 411 and the second cam 421 changes, now can realize increasing valve 11 open-interval object, such as after the relative phase having regulated two camshafts, two cams there will be the situation of lasting large basic circle and corresponding roller contact, now greatly can extend valve 11 and open the endurance.
And when stating action (namely valve 11 secondary opening or prolongation valve 11 open the endurance) in realization, by controlling lift adjustment mechanism 5 action, particularly, briquetting 51 is driven to swing around adjustment axis by driven unit, thus change the contact cooperation position of briquetting 51 and three rollers 33, thus the overall lift amount changing valve 11.Such as adjusting axle 52 clockwise action, can the overall lift amount increasing valve 11, and and for example adjusting axle 52 counterclockwise motion, thus the overall lift amount reducing valve 11, thus achieve the continuously adjustabe of valve 11 lift amount.
Therefore, valve 11 secondary opening and valve 11 can be realized according to the distribution device 100 for motor of the embodiment of the present invention and open the object that the duration increases, when realizing valve 11 secondary opening, scavenging function can be realized or improve internal EGR, simultaneously simpler, compact according to its rocker arm assembly 2 of distribution device 100 of the embodiment of the present invention, component are few, and cost is low.And, owing to being provided with the cause of lift adjustment mechanism 5, the continuous variable of valve 11 lift can be realized, solve well motor under full working scope such as high speed high load working condition and low speed small load condition to the requirement of distribution, reduce pumping loss, substantially increase the power performance and the economy performance of motor, reduce the discharge of the harmful gases such as HC, CO, CO2, NOx.
According to some embodiments of the present invention, as Fig. 3 and shown in composition graphs 1 and Fig. 2; rocker arm assembly 2 comprises two rocking arm portions 21 and intermediate link arm portion 22; these two rocking arm portions 21 are located at the two ends in intermediate link arm portion 22 respectively, two rocking arm portions 21 are oppositely arranged and axis along the first camshaft 41 and the second camshaft 42 is spaced apart from each other, preferably; two rocking arm portions 21 can be integrally formed with intermediate link arm portion 22; can reduce process step thus, intensity is high, and cost is low.
Further, as shown in Figure 3, rocker arm assembly 2 also comprises drive portion 23, and drive portion 23 is located at the bottom in each rocking arm portion 21, and drive portion 23 can be configured to laminar body and bottom surface is that cambered surface is to form driving profile 231.Here the subarc face that cambered surface can be divided into multistage to be connected in turn, namely this driving profile 231 can be configured to boot last, but is not limited thereto.
Further, the two ends in intermediate link arm portion 22 are respectively arranged with the first roller 31, the outside of the first roller 31 is respectively arranged with three rollers 33, in other words, outermost is two three rollers 33, middle for intermediate link arm portion 22, and is two the first rollers 31 between these two three rollers 33 and two ends, intermediate link arm portion 22.Second roller 32 is between two rocking arm portions 21.Thus, make the structure of rocker arm assembly 2 more reasonable, compact, and then make the volume of rocker arm assembly 2 relatively less, be convenient to arrange.
Further, as shown in Figure 3, intermediate link arm portion 22, first roller 31 is connected by the first bearing pin 311 with three rollers 33, in other words, first bearing pin 311 successively through the first roller 31 of the three rollers 33 of side and this side, again through intermediate link arm portion 22, the first roller 31 and the three rollers 33 eventually passing through opposite side, thus these five parts are linked together, thus, the conformity that the first roller 31 and three rollers 33 move can be ensured.Second roller 32 is connected by the second bearing pin with two rocking arm portions 21.
According to some embodiments of the present invention, the radial dimension of the first roller 31 is less than the radial dimension of three rollers 33, thus, facilitate the lift profile 511 of three rollers 33 and briquetting 51 against, avoid briquetting 51 and the first roller 31 to interfere simultaneously.
Lift adjustment mechanism 5 is described below, and as depicted in figs. 1 and 2, the driven unit of this lift adjustment mechanism 5 can comprise adjusting axle 52, and briquetting 51 to be fixed on adjusting axle 52 and to rotate with adjusting axle 52, and briquetting 51 can be fitted on adjusting axle 52, but is not limited thereto.Adjusting axle 52 can around the center axis thereof of adjusting axle 52, adjusting axle 52 central axis overlap with above-mentioned adjustment axis.
Further, driven unit also comprises motor, worm gear 53 and worm screw, and the output shaft of motor is connected with worm screw, and worm screw is with the output shaft rotation of motor, and worm gear 53 is fixed on adjusting axle 52, worm gear 53 and adjusting axle 52 synchronous axial system, worm gear 53 and worm meshing.Thus, motor drives worm screw to rotate, and worm drive worm gear 53 rotates around adjustment axis, worm gear 53 drives adjusting axle 52 to rotate, adjusting axle 52 and then drive briquetting 51 rotate around adjustment axis, thus change the contact cooperation position of briquetting 51 and three rollers 33, and then change the lift amount of valve 11.
In these some embodiments, as depicted in figs. 1 and 2, distribution device 100 also comprises valve rocker 61 and hydraulic tappet 62, valve rocker 61 is provided with valve rocker roller 611, the top of valve 11 and the one end fits of valve rocker 61, hydraulic tappet 62 coordinates with the other end of valve rocker 61, drives profile 231 to be resisted against on valve rocker roller 611.Thus, when rocker arm assembly 2 action, the driving profile 231 bottom it can promote valve rocker roller 611 and drive valve rocker 61 action, and valve rocker 61 and then the action of drive valve 11 are to open valve 11.
Hydraulic tappet 62 can be used for regulating valve 11 gap, and the concrete structure of hydraulic tappet 62 and working principle have been prior art, and have been widely used in related domain, such as, be applied in VVL technology, be not therefore described in detail for hydraulic tappet 62 here.
Be appreciated that, in the above-described embodiment, in order to ensure the first cam 411 and the first roller 31, second cam 421 and the second roller 32 and three rollers 33 can keep in touch state constantly with briquetting 51, prevent slip phenomenon, distribution device 100 also has elastic reset structure, elastic reset structure flexibly can push against rocker arm assembly thus make the first roller 31 often be resisted against on the outer circumferential face of the first cam 411, second roller 32 is often resisted against on the second cam 421 and three rollers 33 is often resisted against on briquetting 51, for a person skilled in the art, different structure can be designed according to the structural characteristics of above-mentioned rocker arm assembly 2, size, the elastic reset structure of form, it can be integrative-structure, it can be Split type structure, as long as can ensure that respective cams (or briquetting) contacted with the corresponding roller moment, this for a person skilled in the art, it should be easy understand, therefore particular determination is not made here.
The simple vehicle described according to the embodiment of the present invention below.
The distribution device 100 for motor according to describing in the above embodiment of the present invention is comprised according to the vehicle of the embodiment of the present invention.Thus, good according to the power performance of the embodiment of the present invention, noxious gas emission is few, energy-conserving and environment-protective.
Should be understood that, be all well known for ordinary skill in the art for prior art as motor, speed changer, differential mechanism, braking system etc. according to other configuration example of the vehicle of the embodiment of the present invention, therefore describe in detail no longer one by one here.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this specification or example can carry out engaging and combining by those skilled in the art.
Although illustrate and describe 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, revises, replace and modification.
Claims (9)
1. for a distribution device for motor, it is characterized in that, comprising:
Valve mechanism;
Rocker arm assembly, the substructure of described rocker arm assembly has driving profile, and described driving profile is suitable for driving the valve of valve mechanism to move along the direction being parallel to valve center line;
First roller, the second roller and three rollers, described first roller, described second roller and described three rollers are located on described rocker arm assembly all pivotly, described first roller and described three rollers coaxially arranged;
First camshaft and the second camshaft, described first camshaft has the first cam and described second camshaft has the second cam, the second roller described in the first roller described in described first cam abutment and described second cam abutment;
Lift adjustment mechanism, described lift adjustment mechanism comprises: driven unit and briquetting, the bottom surface of described briquetting is configured to lift profile, described lift profile and described three rollers snug fit, described driven unit drives described briquetting to rotate around adjustment axis with the cooperation position changing described lift profile and described three rollers; And
For regulating the phase-regulating mechanism of described first camshaft and described second camshaft relative phase;
Described driven unit comprises:
Adjusting axle, described briquetting is fixed on described adjusting axle, and described adjusting axle can around the center axis thereof of described adjusting axle, and the central axis of described adjusting axle overlaps with described adjustment axis.
2. the distribution device for motor according to claim 1, is characterized in that, described rocker arm assembly comprises:
Two rocking arm portions and intermediate link arm portion, described two Rocker arm section are not located at the two ends in described intermediate link arm portion, and described two rocking arm portions are oppositely arranged and axis along the first and second camshafts is spaced apart from each other.
3. the distribution device for motor according to claim 2, it is characterized in that, described rocker arm assembly also comprises: drive portion, and described drive portion is located at the bottom in each described rocking arm portion, and described drive portion is configured to laminar body and bottom surface is that cambered surface is to form described driving profile.
4. the distribution device for motor according to claim 3, it is characterized in that, the two ends in described intermediate link arm portion are respectively arranged with described first roller, and the outside of described first roller is respectively arranged with described three rollers, and described second roller is between described two rocking arm portions.
5. the distribution device for motor according to claim 4, it is characterized in that, described intermediate link arm portion, described first roller are connected by the first bearing pin with described three rollers, and described second roller is connected by the second bearing pin with described two rocking arm portions.
6. the distribution device for motor according to claim 5, is characterized in that, the radial dimension of described first roller is less than the radial dimension of described three rollers.
7. the distribution device for motor according to claim 1, it is characterized in that, described driven unit comprises further: motor, turbine and worm screw, and the output shaft of described motor is connected with described worm screw, described turbine is fixed on described adjusting axle, described turbine and described worm meshing.
8. the distribution device for motor according to claim 1, is characterized in that, described phase-regulating mechanism is phase discriminator;
Described distribution device also comprises: valve rocker and hydraulic tappet, described valve rocker is provided with valve rocker roller, the top of described valve and the one end fits of described valve rocker, described hydraulic tappet coordinates with the other end of described valve rocker, and described driving profile is resisted against on described valve rocker roller.
9. a vehicle, is characterized in that, comprises the distribution device for motor according to any one of claim 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310749797.0A CN103742222B (en) | 2013-12-30 | 2013-12-30 | For motor distribution device and there is its vehicle |
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|---|---|---|---|
| CN201310749797.0A CN103742222B (en) | 2013-12-30 | 2013-12-30 | For motor distribution device and there is its vehicle |
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| CN103742222A CN103742222A (en) | 2014-04-23 |
| CN103742222B true CN103742222B (en) | 2016-03-30 |
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| CN117552852B (en) * | 2024-01-12 | 2024-04-16 | 潍柴动力股份有限公司 | Engine and valve mechanism thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457665A (en) * | 2007-12-14 | 2009-06-17 | 现代自动车株式会社 | Continuous variable valve lift system |
| CN103168153A (en) * | 2010-10-19 | 2013-06-19 | 科尔本施密特皮尔伯格创新股份有限公司 | Mechanically controllable valve drive |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10123186A1 (en) * | 2001-05-12 | 2002-11-14 | Bayerische Motoren Werke Ag | Valve gear device for variable lift adjustment is for gas exchange valve of internal combustion engine and has valve vai intermediary of transmission component effectively connected to roller movable around rotary axis |
| JP4247529B2 (en) * | 2003-08-22 | 2009-04-02 | ヤマハ発動機株式会社 | Valve mechanism of internal combustion engine |
| JP2007127117A (en) * | 2005-10-04 | 2007-05-24 | Masaaki Yoshikawa | Valve system apparatus for four-stroke internal combustion engine |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457665A (en) * | 2007-12-14 | 2009-06-17 | 现代自动车株式会社 | Continuous variable valve lift system |
| CN103168153A (en) * | 2010-10-19 | 2013-06-19 | 科尔本施密特皮尔伯格创新股份有限公司 | Mechanically controllable valve drive |
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| CN103742222A (en) | 2014-04-23 |
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