CN103726898B - For motor distribution device and there is its vehicle - Google Patents
For motor distribution device and there is its vehicle Download PDFInfo
- Publication number
- CN103726898B CN103726898B CN201310749883.1A CN201310749883A CN103726898B CN 103726898 B CN103726898 B CN 103726898B CN 201310749883 A CN201310749883 A CN 201310749883A CN 103726898 B CN103726898 B CN 103726898B
- Authority
- CN
- China
- Prior art keywords
- valve
- roller
- outer shaft
- cam
- arm assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a kind of distribution device for motor and there is its vehicle.This distribution device comprises: multiple valve mechanism; Multiple rocker arm assembly, the bottom of each rocker arm assembly is all configured with driving profile; Many groups of the first and second rollers, the first and second rollers are located on rocker arm assembly all pivotly; First and second camshafts, first camshaft comprises interior axle and the outer shaft of coaxial setting, interior axle is provided with multiple interior axis cam and outer shaft is provided with multiple outer shaft cam, multiple interior axis cam is respectively against wherein a part of first roller, multiple outer shaft cam is respectively against another part first roller, second camshaft has multiple driving cam, driving cam and the second roller against; Phase-regulating mechanism, phase-regulating mechanism is for regulating the relative phase of outer shaft and the second camshaft and outer shaft and interior axle.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: multiple valve mechanism; Multiple rocker arm assembly, described multiple rocker arm assembly respectively with described multiple valve mechanism one_to_one corresponding, the bottom of each described rocker arm assembly is all configured with driving profile, and described driving profile is suitable for driving the valve of corresponding valve mechanism to move along the direction being parallel to this valve center line; Many groups of the first rollers, described many groups the first roller respectively with described multiple rocker arm assembly one_to_one corresponding, the first roller often in group is located on corresponding rocker arm assembly all pivotly; Many groups of the second rollers, described many groups the second roller respectively with described multiple rocker arm assembly one_to_one corresponding, the second roller often in group is located on corresponding rocker arm assembly all pivotly; First camshaft and the second camshaft, described first camshaft comprises interior axle and the outer shaft of coaxial setting, described interior axle is provided with multiple interior axis cam and described outer shaft is provided with multiple outer shaft cam, described multiple interior axis cam and wherein a part of first roller are against coordinating, described multiple outer shaft cam and another part first roller are against coordinating, described second camshaft has multiple driving cam, and each described driving cam and the second corresponding roller are against coordinating; Organize link arm more, described many group link arms respectively with described multiple rocker arm assembly one_to_one corresponding, the first end of the link arm often in group is connected pivotly with corresponding rocker arm assembly, and the second end is located in the body group of motor pivotly; And phase-regulating mechanism, described phase-regulating mechanism is for regulating the relative phase of described outer shaft and described second camshaft and also for regulating the relative phase of described outer shaft and described interior axle.
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, according to the distribution device of the embodiment of the present invention, owing to adopting the mechanism of concentric camshaft, can also the object of achievement unit sub-cylinder cylinder deactivation, or the valve lift characteristics of motion of each cylinder of Adaptive Control for different operating mode, thus meet the various operating modes of motor better, improve emission performance and the fuel economy of motor.
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 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, be provided with first roller between two rocking arm portions of each described rocker arm assembly, described first roller and this two rocking arm portions are connected by the first bearing pin; The two ends in each described intermediate link arm portion are respectively arranged with described second roller and two the second rollers in described intermediate link arm portion and this are connected by the second bearing pin.
According to some embodiments of the present invention, the outside in two rocking arm portions of each described rocker arm assembly is provided with a link arm, the first end of described link arm is connected with the rocking arm portion of this side pivotly by the first link arm bearing pin, and the second end of described link arm is located in described body group pivotly by the second link arm bearing pin.
According to some embodiments of the present invention, described multiple interior axis cam is equal with the quantity of described multiple outer shaft cam.
According to some embodiments of the present invention, described multiple interior axis cam and described multiple outer shaft cam interlaced arrangement.
According to some embodiments of the present invention, described distribution device also comprises: multiple valve rocker and multiple hydraulic tappet, each described valve rocker and hydraulic tappet are all corresponding with a valve, the wherein one end fits of any one valve and corresponding valve rocker, corresponding hydraulic tappet coordinates with the other end of this valve rocker, each valve rocker all has valve rocker roller, described valve rocker roller and corresponding driving profile against.
According to some embodiments of the present invention, described phase-regulating mechanism is double rotor phase discriminator.
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 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 stereogram of the rocker arm assembly of distribution device shown in Fig. 1;
Fig. 5 is the stereogram of the first camshaft.
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. 5.
Multiple valve mechanism 1, multiple rocker arm assembly 2, many groups the first roller 31, many groups the second roller 32, first camshaft 41 and the second camshaft 42, many group link arms 5 and phase-regulating mechanism can be comprised according to the distribution device 100 for motor 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 the suction port or the relief opening that open or close firing chamber along the center line of valve 11 in valve 11 conduit, the part of identical setting can be adopted with prior art for these, be not described in detail here.Should be appreciated that the plurality of valve mechanism 1 is one to one with the quantity of cylinder, such as in the example of fig. 1, valve mechanism 1 is four, and each valve mechanism 1 comprises two valves 11, but is not limited thereto.
As shown in Figure 1, multiple rocker arm assembly 2 respectively with multiple valve mechanism 1 one_to_one corresponding, the i.e. all corresponding rocker arm assembly 2 of each valve mechanism 1.The bottom of each rocker arm assembly 2 is all configured with and drives profile 231(as shown in Figure 3), profile 231 is driven to be suitable for driving the valve 11 of corresponding valve mechanism 1 to move along the direction being parallel to this valve 11 center line, drive 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.
Many groups of the first rollers 31 respectively with multiple rocker arm assembly 2 one_to_one corresponding, namely the group number of the first roller 31 is identical with the number of rocker arm assembly 2.The first roller 31 often in group is located on corresponding rocker arm assembly 2 all pivotly.Such as, in the example of fig. 1, often organize in the first roller 31 and include first roller 31, this first roller 31 to be located on corresponding rocker arm assembly 2 and can pivotable relative to this rocker arm assembly 2.
Many groups of the second rollers 32 respectively with multiple rocker arm assembly 2 one_to_one corresponding, namely the group number of the second roller 32 is identical with the number of rocker arm assembly 2.The second roller 32 often in group is located on corresponding rocker arm assembly 2 all pivotly.Such as, in the example of fig. 1, often organize in the second roller 32 and include two the second rollers 32, these two the second rollers 32 to be all arranged on corresponding rocker arm assembly 2 and can pivotables relative to this rocker arm assembly 2.
As shown in Figure 1 and Figure 4, the first camshaft 41 comprises the coaxial interior axle 411 that arranges and outer shaft 412, and interior axle 411 is embedded in outer shaft 412 and interior axle 411 can rotate relatively with outer shaft 412, also can synchronous rotary.With reference to shown in Fig. 1 and Fig. 4, interior axle 411 is provided with multiple interior axis cam 4111 and outer shaft 412 is provided with multiple outer shaft cam 4121, and interior axis cam 4111 rotates with interior axle 411, and outer shaft cam 4121 is rotated with outer shaft 412.Wherein, outer shaft 412 can be provided with limit sliding chutes in the part of interior axis cam 4111, interior axis cam 4111 can be provided with pin, pin can slide in this limit sliding chutes, limit sliding chutes can limit the rotation angle of the relative outer shaft 412 of interior axis cam 4111, namely by the position-limiting action of limit sliding chutes, the relative phase of interior axle 411 and outer shaft 412 can in several angle continuously adjustabe.
Multiple interior axis cam 4111 and wherein a part of first roller 31 are against coordinating, multiple outer shaft cam 4121 and another part first roller 31 are against coordinating, in other words, multiple interior axis cam 4111 is identical with the quantity sum of multiple outer shaft cam 4121 and the total amount of the first roller 31.
Second camshaft 42 has multiple driving cam 421, and each driving cam 421 and the second corresponding roller 32 are against coordinating, and in other words, total amount and the total amount of the second roller 32 of driving cam 421 are identical and distinguish correspondingly against cooperation.
According to some embodiments of the present invention, each changeover portion (the C section in Fig. 3) that all there is large basic circle (the A section in Fig. 3), little basic circle (the B section in Fig. 3) and be connected between large basic circle and little basic circle in interior axis cam 4111, outer shaft cam 4121 and driving 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.
When the first camshaft 41 rotates, interior axis cam 4111 can contact with the first corresponding roller 31 respectively with the large basic circle of each in outer shaft cam 4121, little basic circle and changeover portion.Equally, when the second camshaft 42 rotates, the large basic circle of driving cam 421, little basic circle and changeover portion all can contact with the second corresponding roller 32 respectively.Be to be understood that, 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; can be such as high-lift amount, zero lift amount and the intermediate lift amount between high-lift amount and zero lift amount; wherein when valve 11 continues to be in zero lift amount, can realize the object of intelligent cylinder deactivation.
Such as, the two kinds of cams (interior axis cam 4111 and outer shaft cam 4121) on the first camshaft 41 and corresponding first roller 31 for large basic circle contact time, driving cam 421 and corresponding second roller 32 are little basic circle when contacting, and corresponding valve 11 is in closed condition.Two kinds of cams (interior axis cam 4111 and outer shaft cam 4121) on first camshaft 41 and corresponding first roller 31 for large basic circle contact time, driving cam 421 and corresponding second roller 32 are large basic circle when contacting, and corresponding valve 11 is in maximum opening state.Two kinds of cams (interior axis cam 4111 and outer shaft cam 4121) on first camshaft 41 and corresponding first roller 31 for little basic circle contact time, driving cam 421 and corresponding second roller 32 are large basic circle when contacting, and corresponding valve 11 is in closed condition.Thus, be appreciated that, the angular range of the little basic circle of a certain cam on the first camshaft 41 and corresponding driving cam 421 is comparatively large and angular range that is large basic circle is less time, can occur that corresponding valve 11 is in closed condition for a long time, thus achieve the intelligent cylinder deactivation object of this cylinder.
But, 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 three kinds of cams of flexible design, when the position of three kinds of cam profiles and corresponding roller contact changes, the lift amount of valve 11 also can adaptations, this should be easy understand for a person skilled in the art.
The first end (in Fig. 4 F end) of link arm 5 is connected pivotly with respective rocker arm assembly 2, and second end (the E end in Fig. 4) of link arm 5 is located in the body group of motor pivotly.Adopt link arm 5 structure can limit the movement locus of rocker arm assembly 2, the stability of rocker arm assembly 2 can be kept well, and structure is simple simultaneously.
Here, need to illustrate 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 make broad understanding, namely can be understood as this body group and not only comprises parts included by above-mentioned traditional sense upper machine body group, can also comprise some attached assemblys etc.Such as, in superincumbent description, " the second end of link arm 5 is located in the body group of motor pivotly ", the second end direct pivotly (such as by the second link arm bearing pin 52) that can be understood as link arm 5 is located at body group as in cylinder head, or cylinder head can be fixedly installed intermediate portion 73, second end of link arm 5 is located on this intermediate member pivotly, and namely intermediate member here can be understood as is the part of body group.
Phase-regulating mechanism is for regulating the relative phase of outer shaft 412 and the second camshaft 42 and also for regulating the relative phase of outer shaft 412 and interior axle 411.In other words, in phase-regulating mechanism can only regulate, axle 411 is relative to the relative phase of outer shaft 412, and now outer shaft 412 can keep relatively (the second camshaft 42) transfixion.Or phase-regulating mechanism only can regulate the relative phase of relative second camshaft 42 of outer shaft 412, and now, axle 411 can keep (outer shaft 412) transfixion relatively.Or phase-regulating mechanism also can regulate interior axle 411 and outer shaft 412, i.e. integrated above-mentioned two kinds of regulative modes simultaneously.
According to one embodiment of present invention, phase-regulating mechanism can be double rotor phase discriminator, namely there are internal rotor and external rotor two rotors, wherein internal rotor can be connected with interior axle 411, external rotor can be connected with outer shaft 412, to regulate the relative phase of interior axle 411 and outer shaft 412 or to regulate the relative phase of outer shaft 412 and the second camshaft 42.Be to be understood that, double rotor phase discriminator regulates outer shaft 412 to be prior art with the principle of the relative phase of interior axle 411 and the relative phase of outer shaft 412 and the second camshaft 42, does not make specified otherwise here to the concrete structure of double rotor phase discriminator, the specific works principle of double rotor phase discriminator and adjustment process.
Be appreciated that, adopt two camshafts (i.e. the first camshaft 41 and the second camshaft 42) owing to driving homonymy valve 11 according to the distribution device 100 of the embodiment of the present invention and wherein one for concentric camshaft, therefore after regulating the outer shaft 412 of concentric camshaft and the outer shaft 412 of the second camshaft 42 and concentric camshaft and the relative phase of interior axle 411 according to the distribution device 100 of the embodiment of the present invention by double rotor phase discriminator, the secondary opening of valve 11 can be realized and extend valve 11 opening time, the several functions such as the variable and intelligent cylinder deactivation of valve 11 lift, regulative mode is various, motor can be met better and be in requirement to distribution under different operating mode.
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, also can 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, there will be the situation that the large basic circle of three kinds of above-mentioned cams, little basic circle and changeover portion contact respectively with corresponding roller, valve 11 lift amount with three kinds of cams with the change of the contact cooperation position of corresponding roller and adaptations.
Such as, change the phase place of internal rotor and the phase place of maintenance external rotor, the cylinder lift continuous changeable of interior axis cam 4111 correspondence can be realized, until intelligent cylinder deactivation.Same reason, keeps inner and outer Rotator geo-stationary, and changes external rotor phase place, can realize all cylinder lift continuous changeables.
Particularly, when the first camshaft 41 and the reverse synchronized rotation of the second camshaft 42, any time in first camshaft 41 and each rotation period of the second camshaft 42, at least interior axis cam 4111 and the first roller 31 are in little basic circle mated condition or corresponding driving cam 421 and the second roller 32 and are in little basic circle mated condition, therefore valve 11 will be in closed condition always, thus realize intelligent cylinder deactivation.
And for example, change internal rotor and external rotor phase place simultaneously, interior axis cam 4111 and corresponding driving cam 421 freely can control the valve 11 lifting movement rule of its corresponding valve 11, outer shaft cam 4121 and corresponding driving cam 421 also freely can control the valve 11 lifting movement rule of its corresponding valve 11 simultaneously, realize the accommodation to each valve 11 characteristics of motion, thus improve engine power performance and fuel economy.
Meanwhile, the object of valve 11 secondary opening can also be realized by the regulating action of double rotor phase discriminator and extend the valve 11 unlatching lasting time.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.
Thus, 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 22 of distribution device 100 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, owing to adopting the mechanism of concentric camshaft, can also the object of achievement unit sub-cylinder cylinder deactivation, or the valve lift characteristics of motion of each cylinder of Adaptive Control for different operating mode, thus meet the various operating modes of motor better, improve emission performance and the fuel economy of motor.
According to some embodiments of the present invention, as shown in Figure 4; 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 4, 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.Equally, the subarc face that cambered surface here 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.
First roller 31 is provided with between two rocking arm portions 21 of each rocker arm assembly 2, first roller 31 and this two rocking arm portions 21 are connected by the first bearing pin, and the two ends in each intermediate link arm portion 22 are respectively arranged with second roller 32 and intermediate link arm portion 22 is connected by the second bearing pin with these two the second rollers 32.Thus, compact structure, simple.
According to some embodiments of the present invention, the outside in two rocking arm portions 21 of each rocker arm assembly 2 is provided with a link arm 5, the first end of link arm 5 is connected with the rocking arm portion 21 of this side pivotly by the first link arm bearing pin 51, and the second end of link arm 5 is located in body group pivotly by the second link arm bearing pin 52.Thus, stability during rocker arm assembly 2 action can be kept better.
In these some embodiments, link arm 5 is configured to oblong flat board, and structure is simple thus, and easy to process, cost is low, takes up room little, convenient layout.
According to preferred embodiments more of the present invention, as shown in Figure 5, multiple interior axis cam 4111 is identical with the quantity of multiple outer shaft cam 4121.Such as, interior axis cam 4111 can be all two with the quantity of outer shaft cam 4121.Like this, only can control wherein a part of cylinder when realizing cylinder stopping technique and stop, such as, in, the cylinder of axis cam 4111 correspondence realizes cylinder deactivation, and the cylinder of outer shaft cam 4121 correspondence still can normally work.The vibration of such motor is relatively steady, and can ensure the output of certain moment of torsion and power, meets driving requirement, reduces oil consumption and discharge simultaneously.
More preferably, multiple interior axis cam 4111 is interspersed with multiple outer shaft cam 4121, and like this when achievement unit sub-cylinder cylinder deactivation, the vibration of motor is relatively more steady.Such as, in the example of fig. 1, motor can have a four cylinders i.e. cylinder, two cylinder, three cylinders and four cylinders, interior axis cam 4111 can a corresponding cylinder and three cylinders, outer shaft cam 4121 can corresponding two cylinder and four cylinders, when a cylinder and three cylinders realize intelligent cylinder deactivation, two cylinder and four cylinders still can work on, and ensure the output of power, but the present invention are not limited to this.
According to some embodiments of the present invention, distribution device 100 also comprises multiple valve rocker 61 and multiple hydraulic tappet 62, each valve rocker 61 and hydraulic tappet 62 are all corresponding with a valve 11, the wherein one end fits of any one valve 11 and corresponding valve rocker 61, corresponding hydraulic tappet 62 coordinates with the other end of this valve rocker 61.Each valve rocker 61 all has valve rocker roller 611, valve rocker roller 611 and corresponding driving profile 231 against.
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.
In these some embodiments, as shown in Figure 1-Figure 3, distribution device 100 also comprises Returnning spring 7, Returnning spring 7 comprises 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, wherein intermediate portion 73 can flexibly be pressed in intermediate link arm portion 22, first end 71 and the second end 72 can flexibly be pressed in rocking arm portion, both sides respectively, can ensure that the first roller 31 often contacts with interior axis cam and outer shaft cam and the second roller 32 often contacts with driving cam 421 thus, prevent slip phenomenon and affect distribution device 100 normal operation.
Wherein, above-mentioned first volume pars convoluta 74 and volume Two pars convoluta 75 can be positioned in body group, body group such as, can be arranged locating column for locating above-mentioned curled portion, or the cylinder head in body group can arrange other intermediate member, this intermediate member can be provided with the locating column for locating above-mentioned curled portion, but is not limited thereto.
Need to illustrate 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.
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 (8)
1. for a distribution device for motor, it is characterized in that, comprising:
Multiple valve mechanism;
Multiple rocker arm assembly, described multiple rocker arm assembly respectively with described multiple valve mechanism one_to_one corresponding, the bottom of each described rocker arm assembly is all configured with driving profile, and described driving profile is suitable for driving the valve of corresponding valve mechanism to move along the direction being parallel to this valve center line;
Many groups of the first rollers, described many groups the first roller respectively with described multiple rocker arm assembly one_to_one corresponding, the first roller often in group is located on corresponding rocker arm assembly all pivotly;
Many groups of the second rollers, described many groups the second roller respectively with described multiple rocker arm assembly one_to_one corresponding, the second roller often in group is located on corresponding rocker arm assembly all pivotly;
First camshaft and the second camshaft, described first camshaft comprises interior axle and the outer shaft of coaxial setting, described interior axle is provided with multiple interior axis cam and described outer shaft is provided with multiple outer shaft cam, described multiple interior axis cam and wherein a part of first roller are against coordinating, described multiple outer shaft cam and another part first roller are against coordinating, described second camshaft has multiple driving cam, and each described driving cam and the second corresponding roller are against coordinating;
Organize link arm more, described many group link arms respectively with described multiple rocker arm assembly one_to_one corresponding, the first end of the link arm often in group is connected pivotly with corresponding rocker arm assembly, and the second end is located in the body group of motor pivotly; And
Phase-regulating mechanism, described phase-regulating mechanism is for regulating the relative phase of described outer shaft and described second camshaft and also for regulating the relative phase of described outer shaft and described interior axle;
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;
Be provided with first roller between two rocking arm portions of each described rocker arm assembly, described first roller and this two rocking arm portions are connected by the first bearing pin; The two ends in each described intermediate link arm portion are respectively arranged with described second roller and two the second rollers in described intermediate link arm portion and this are connected by the second bearing pin.
2. the distribution device for motor according to claim 1, it is characterized in that, described rocker arm assembly also comprises: drive portion, and described drive portion is located at the bottom in 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.
3. the distribution device for motor according to claim 1, it is characterized in that, the outside in two rocking arm portions of each described rocker arm assembly is provided with a link arm, the first end of described link arm is connected with the rocking arm portion of this side pivotly by the first link arm bearing pin, and the second end of described link arm is located in described body group pivotly by the second link arm bearing pin.
4. the distribution device for motor according to claim 1, is characterized in that, described multiple interior axis cam is equal with the quantity of described multiple outer shaft cam.
5. the distribution device for motor according to claim 1, is characterized in that, described multiple interior axis cam and described multiple outer shaft cam interlaced arrangement.
6. the distribution device for motor according to claim 1, it is characterized in that, also comprise: multiple valve rocker and multiple hydraulic tappet, each described valve rocker and hydraulic tappet are all corresponding with a valve, the wherein one end fits of any one valve and corresponding valve rocker, corresponding hydraulic tappet coordinates with the other end of this valve rocker, and each valve rocker all has valve rocker roller, described valve rocker roller and corresponding driving profile against.
7. the distribution device for motor according to claim 1, is characterized in that, described phase-regulating mechanism is double rotor phase discriminator.
8. a vehicle, is characterized in that, comprises the distribution device for motor according to any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310749883.1A CN103726898B (en) | 2013-12-30 | 2013-12-30 | For motor distribution device and there is its vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310749883.1A CN103726898B (en) | 2013-12-30 | 2013-12-30 | For motor distribution device and there is its vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103726898A CN103726898A (en) | 2014-04-16 |
| CN103726898B true CN103726898B (en) | 2016-04-13 |
Family
ID=50451163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310749883.1A Active CN103726898B (en) | 2013-12-30 | 2013-12-30 | For motor distribution device and there is its vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103726898B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630346B (en) * | 2019-09-30 | 2020-11-20 | 潍柴动力股份有限公司 | Engine valve mechanism, engine and vehicle |
| CN114704391B (en) * | 2022-05-06 | 2023-03-21 | 潍柴动力股份有限公司 | Engine cylinder deactivation control device and control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1905969A2 (en) * | 2006-09-28 | 2008-04-02 | Delphi Technologies, Inc. | Phaser-actuated continuously variable valve actuation system with lost motion capability |
| EP1710402B1 (en) * | 2003-12-18 | 2013-06-19 | Toyota Jidosha Kabushiki Kaisha | Variable valve mechanism |
| CN101457665B (en) * | 2007-12-14 | 2013-10-16 | 现代自动车株式会社 | Continuous variable valve lift system |
Family Cites Families (2)
| 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 |
| JP5115747B2 (en) * | 2009-02-13 | 2013-01-09 | スズキ株式会社 | Variable valve operating device for internal combustion engine |
-
2013
- 2013-12-30 CN CN201310749883.1A patent/CN103726898B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1710402B1 (en) * | 2003-12-18 | 2013-06-19 | Toyota Jidosha Kabushiki Kaisha | Variable valve mechanism |
| EP1905969A2 (en) * | 2006-09-28 | 2008-04-02 | Delphi Technologies, Inc. | Phaser-actuated continuously variable valve actuation system with lost motion capability |
| CN101457665B (en) * | 2007-12-14 | 2013-10-16 | 现代自动车株式会社 | Continuous variable valve lift system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103726898A (en) | 2014-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102086787A (en) | Phase varying apparatus and control apparatus for internal combustion engine | |
| CN103742219B (en) | For the valve actuating mechanism of engine and there is its vehicle | |
| CN103758601A (en) | Air distribution mechanism for engine and vehicle comprising same | |
| CN103758605B (en) | For motor distribution device and there is its vehicle | |
| CN103306776B (en) | For the variable air valve lift apparatus of motor, motor and vehicle | |
| CN103726898B (en) | For motor distribution device and there is its vehicle | |
| CN203742691U (en) | Valve train for engine and automobile with same | |
| CN103147818B (en) | Drive device with variable valve lift, engine and vehicle | |
| CN103726894A (en) | Valve timing mechanism for engine and vehicle with same | |
| CN103742222B (en) | For motor distribution device and there is its vehicle | |
| CN103742221B (en) | For motor distribution device and there is its vehicle | |
| CN103790669B (en) | For the valve actuating mechanism of engine and the vehicle with it | |
| CN103726897A (en) | Valve timing mechanism for engine and vehicle with same | |
| CN103089364B (en) | Actuating mechanism of variable valve stroke drive device for engine | |
| CN103758604B (en) | Gas distributing mechanism for engine and car with same | |
| CN103925029B (en) | Variable valve lift driving device | |
| CN103758603B (en) | Valve mechanism for engine and vehicle with same | |
| CN203742696U (en) | Distribution mechanism for engine and vehicle with distribution mechanism | |
| CN103742215A (en) | Valve timing mechanism for engine and vehicle with the same | |
| CN103291406B (en) | For the actuating mechanism of the variable air valve lift apparatus of motor | |
| CN204312150U (en) | For the supporting base of distribution device, distribution device, motor and vehicle | |
| CN103775153B (en) | For the valve actuating mechanism of engine and the vehicle with it | |
| CN103775159B (en) | Air distribution mechanism for engine and vehicle with same | |
| CN103216291B (en) | For motor valve lift apparatus and there is its motor, vehicle | |
| CN1789674A (en) | Engine camshaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |