CN203742691U - Valve train for engine and automobile with same - Google Patents
Valve train for engine and automobile with same Download PDFInfo
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- CN203742691U CN203742691U CN201320884042.7U CN201320884042U CN203742691U CN 203742691 U CN203742691 U CN 203742691U CN 201320884042 U CN201320884042 U CN 201320884042U CN 203742691 U CN203742691 U CN 203742691U
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000003068 static effect Effects 0.000 claims abstract description 5
- 241001442589 Convoluta Species 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002000 scavenging effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Abstract
The utility model discloses a valve train for an engine and an automobile with the same. The valve train comprises a valve mechanism, a rocker arm assembly, a first roller, a second roller, a third roller, a first cam shaft, a second cam shaft, a pressing block and a phase adjusting mechanism, wherein a driving type face is formed at the bottom of the rocker arm assembly, the driving type face is suitable for driving a valve of the valve mechanism to move in the direction parallel to the central line of the valve, the first roller, the second roller and the third roller are pivoted on the rocker arm assembly, the first cam shaft is provided with a first cam, the second cam shaft is provided with a second cam, the first cam abuts against the first roller, the second cam abuts against the second roller, the pressing block is static relative to a block group of the engine, an arc curve is formed on the pressing block, the third roller is tightly attached to the arc curve, and the phase adjusting mechanism is used for adjusting the related phase between the first cam shaft and the second cam shaft. The valve train can achieve twice opening of the valve, meanwhile prolongs the continuous opening time of the valve and furthermore is simple in structure and a few in part.
Description
Technical field
The utility model relates to automobile construction field, especially relates to a kind of distribution device for motor and has its vehicle.
Background technique
The distribution device of motor is for driving the switching of valve, and the generally local optimum based on a certain narrow and small condition range of motor and determining of its port timing, 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.
Model utility content
The utility model is intended to solve at least to a certain extent one of above-mentioned technical problem of the prior art.
For this reason, an object of the present utility model 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 utility model is to propose a kind of vehicle with above-mentioned distribution device.
According to the distribution device for motor of the present utility model, 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 that is parallel to valve center line; The first roller, the second roller and three rollers, described the first roller, described the second roller and described three rollers 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; Briquetting, described briquetting is static with respect to the body group of described motor, on described briquetting, is configured with circular arc camber, and described three rollers is close on described circular arc camber; And for regulating the phase-regulating mechanism of described the first camshaft and described the second camshaft relative phase.
Can realize the object of described secondary opening of air valve and the increase of described valve opening duration according to the distribution device for motor of the present utility model, in the time realizing described secondary opening of air valve, can realize scavenging function or improve internal EGR, simultaneously simpler, compact according to its rocker arm assembly of distribution device of the present utility model, component are few, and cost is low.
In addition, according to the distribution device for motor of the present utility model, can also there is following additional technical feature:
Described rocker arm assembly comprises: two rocking arm portions and middle arm portions, and described two rocking arm portions are located at respectively the two ends of described middle arm portions, and described two rocking arm portions are oppositely arranged and being axially spaced apart from each other along the first and second camshafts.
Described rocker arm assembly also comprises: drive portion, and described drive portion is located at the bottom of 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.
The two ends of described middle arm portions are respectively arranged with described the first roller and described middle arm portions is connected by the first bearing pin with these two first rollers, described the second roller is between described two rocking arm portions, described three rollers lays respectively at the outside of described two rocking arm portions, and described the second roller, described two rocking arm portions are connected by the second bearing pin with described three rollers.
The described distribution device for motor also comprises: valve rocker and hydraulic tappet, on described valve rocker, be provided with valve rocker roller, the top of described valve coordinates with one end 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.
The described distribution device for motor also comprises: support, described support is oppositely arranged and lays respectively at the both sides of described rocker arm assembly, described briquetting is located at respectively in the relative inner of support, and described support is used for supporting described the first and second camshafts.
Described first end and described the second end are flexibly pressed on respectively on the briquetting of both sides.
Described phase-regulating mechanism is phase discriminator.
According to vehicle of the present utility model, also comprise the distribution device for motor in above-mentioned according to the utility model.
Brief description of the drawings
Fig. 1 is according to the stereogram of the utility model embodiment's distribution device;
Fig. 2 is the side view of distribution device shown in Fig. 1;
Fig. 3 is according to the structural representation of the rocker arm assembly of the utility model embodiment's distribution device;
Fig. 4 is according to the structural representation of the briquetting of the utility model embodiment's distribution device and supporting portion.
Reference character:
Distribution device 100,
Valve mechanism 1, valve 11,
Rocker arm assembly 2, rocking arm portion 22, middle arm portions 24, drive portion 23, drive profile 231,
The first roller 31, the second roller 32, three rollers 33,
The first camshaft 41, the first cam 411,
The second camshaft 42, the second cam 421,
Briquetting 5,
Valve rocker 61, valve rocker roller 611, hydraulic tappet 62
Returnning spring 7, first end 71, the second end 72, intermediate portion 73, first volume pars convoluta 74, volume Two pars convoluta 75,
Support 8, projection 81, the first clamp port 82, the second clamp port 83,
Embodiment
Describe embodiment of the present utility model 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.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, 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 instructions such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction 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 present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, 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 integral; Can be mechanical connection, can be also electrical connection; 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 the concrete meaning of above-mentioned term in the utility model.
In the utility model, 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 by the other feature contact 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 made up 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 is according to the requirement of the work cycle of carrying out in each cylinder and firing order, and timing 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.Can realize the secondary opening of valve according to the utility model embodiment's distribution device, opening time that simultaneously also can proper extension valve, regulative mode is various, thereby meets better the requirement of different operating modes.
Be appreciated that according to the utility model embodiment's distribution device and can, for driving into the valve event of gas side, can certainly be used 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,, in the following description, be used for driving the valve of exhaust side as example taking this distribution device for driving the valve event of exhaust side according to the utility model embodiment's distribution device.
Describe in detail according to the utility model embodiment's the distribution device 100 for motor below with reference to Fig. 1-Fig. 4.
Can comprise valve mechanism 1, rocker arm assembly 2, the first roller 31, the second roller 32, three rollers 33, the first camshaft 41 and the second camshaft 42, briquetting 5 and phase-regulating mechanism (scheming not shown) according to the utility model embodiment's distribution device 100.
Wherein, valve mechanism 1 has been prior art, and by those skilled in the art is known, for example valve mechanism 1 can comprise valve 11, valve 11 can move back and forth up and down to open or close along the center line of valve 11 suction port or the relief opening of firing chamber in valve guide bushing, the part that can adopt with prior art identical setting for these, is not described in detail here.
As shown in Figure 1-Figure 3, the substructure of rocker arm assembly 2 has the profile 231 of driving, drives profile 231 to be suitable for driving valve 11 to move along the direction that is parallel to valve 11 center lines, and driving profile 231 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 231, be not limited to above-mentioned boot last face.
The first roller 31, the second roller 32 and three rollers 33 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, the second roller 32 is located on rocker arm assembly 2 and can pivotable with respect to rocker arm assembly 2, and three rollers 33 is located on rocker arm assembly 2 and can pivotable with respect to rocker arm assembly 2.
As depicted in figs. 1 and 2, 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 embodiments more of the present utility model, each in the first cam 411 and the second cam 421 all has large basic circle (the A section in Fig. 2), little basic circle (the B section in Fig. 2) and is connected to the changeover portion (the C section in Fig. 2) 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 in the time that 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, in the time that the diverse location of respective cams contacts with corresponding roller, rocker arm assembly 2 move rear driving valve 11 lift amount and rise the endurance can change.
For example, in the time that 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, i.e. the lift amount minimum of valve 11.And the changeover portion of two kinds of cams contact with corresponding roller or one for changeover portion, another is for large basic circle is while contacting with corresponding roller, valve 11 lift amount can be between zero lift and maximum lift.But, be to be understood that, the utility model 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.
Briquetting 5 is static with respect to the body group of motor, is configured with circular arc camber on briquetting, and three rollers is close on circular arc camber.Here said briquetting 5 is static with respect to the body group of described motor, refers to that briquetting 5 fixes, and when rocker arm assembly 2 is during by drive actions, three rollers 33 can roll along circular arc camber.That is to say, adopt briquetting 5 and three rollers 33 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.
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 an embodiment of the present utility model, 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, and the specific works principle of the concrete structure to phase discriminator, phase discriminator and adjustment process are not made 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 utility model embodiment's distribution device 100, therefore regulate by phase discriminator after the relative phase of these two camshafts according to the utility model embodiment's distribution device 100, 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 the bent axle of motor and intermediate transmission parts, 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 to contact with corresponding roller with the changeover portion of corresponding roller contact and another kind of cam, 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, while approaching the valve-closing moment of air inlet side as valve 11 secondary openings of exhaust side, can realize scavenging function.If the 11 secondary opening times of valve hour, while approaching the valve opening moment of air inlet side, can be realized the EGR of larger inside as valve 11 secondary openings of exhaust side.In the concrete time lag of controlling valve 11 secondary openings, can realize by adaptability design cam profile, but be not limited to this.
Regulate at phase discriminator 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 regulating after 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, can realize valve 11 secondary openings and valve 11 according to the utility model embodiment's the distribution device 100 for motor and open the object that the duration increases, in the time 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 utility model embodiment, component are few, and cost is low.
Describe the distribution device 100 in diagram in detail below with reference to Fig. 1-Fig. 4.
Rocker arm assembly 2 comprises two rocking arm portions 22 and middle arm portions 24, the two ends of arm portions 24 in the middle of these two rocking arm portions 22 are located at respectively, two rocking arm portions 22 are oppositely arranged and being axially spaced apart from each other along the first camshaft 41 and the second camshaft 42, preferably, two rocking arm portions 22 can be integrally formed with middle arm portions 24, can reduce thus process step, 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 of each rocking arm portion 22, and drive portion 23 can be configured to laminar body and bottom surface is that cambered surface drives profile 231 to form.The cambered surface here can be divided into the subarc face that multistage is connected in turn, and this driving profile 231 can be configured to boot last, but is not limited to this.
Further, the two ends of middle arm portions 24 are respectively arranged with the first roller 31 and middle arm portions 24 is connected by the first bearing pin (scheming not shown) with these two the first rollers 31, the second roller 32 can be between two rocking arm portions 22, three rollers 33 lays respectively at the outside of two rocking arm portions, the second roller, two rocking arm portions 22 are connected by the second bearing pin (scheming not shown) with three rollers 33, and structure is more reasonable, compact thus.
In these some embodiments, the outside of two rocking arm portions 22 is respectively arranged with a briquetting 5.In the example of Fig. 1 and Fig. 2, each valve mechanism 1 includes two valves 11, and accordingly, rocking arm portion 22 and briquetting 5 are also two, and a valve 11 corresponding rocking arm portion 22 and briquettings 5.Thus, the stability can keep better rocker arm assembly 2 to move time.
In these some embodiments, as depicted in figs. 1 and 2, distribution device 100 also comprises valve rocker 61 and hydraulic tappet 62, on valve rocker 61, be provided with valve rocker roller 611, the top of valve 11 coordinates with one end 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, in the time that rocker arm assembly 2 moves, the driving profile 231 of its bottom can promote valve rocker roller 611 and drive valve rocker 61 to move, and valve rocker 61 and then drive valve 11 move to open valve 11.
Hydraulic tappet 62 can be used for regulating valve 11 gaps, and the concrete structure of hydraulic tappet 62 and working principle have been prior art, and has been widely used in related domain, for example, be applied in VVL technology, is not therefore described in detail for hydraulic tappet 62 here.
Further, distribution device for motor can also comprise support 8, support 8 is oppositely arranged and lays respectively at the both sides of rocker arm assembly 2, and briquetting 5 is located at respectively in the relative inner of support 8, and support 8 is for supporting the first camshaft 41 and the second camshaft 42.Thus, supporting portion 8 can position the axial position of the first camshaft 41 and the second camshaft 42.Wherein inner side, refers to the side of support 8 towards rocker arm assembly 2.
In these some embodiments, the outside of two rocking arm portions 22 is respectively arranged with a supporting portion 8.In the example of Fig. 1 and Fig. 2, each valve mechanism 1 includes two valves 11, and accordingly, rocking arm portion 22, supporting portion 8 and briquetting 5 are two, and the corresponding rocking arm portion of valve 11 22, briquetting 5 and a supporting portion 8.Thus, can support better the first camshaft 41 and the second camshaft 42.
As shown in Figure 4, in these some embodiments, it is tabular that supporting portion 8 is configured to rectangular, and supporting portion 8 is provided with first clamp port 82 corresponding with the first camshaft 41 and second clamp port 83 corresponding with the second camshaft 42, simple in structure thus, easy to process, cost is low, take up room little, convenient layout.
Wherein, supporting portion 8 is located in the body group of motor.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 utility model, 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, " supporting portion 8 is located in the body group of motor ", can be understood as supporting portion 8 and be directly arranged in body group as in cylinder head, or can be fixedly installed intermediate member in cylinder head, supporting portion 8 is located on this intermediate member, and to can be understood as be a part for body group for the intermediate member here.
Further, in the relative inner of support 8, be respectively arranged with projection 81.In these some embodiments, as depicted in figs. 1 and 2, 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, its first volume pars convoluta 74 and volume Two pars convoluta 75 are enclosed within respectively on the projection 81 of both sides, in the middle of intermediate portion 73 is flexibly pressed on, in arm portions 24, first end 71 and the second end 72 are positioned.Can ensure that thus the first roller 31 often contacts with the first cam 411, the second roller 32 often contacts with the second cam 421 and three rollers 33 often contacts with briquetting 5, prevents slip phenomenon and affect distribution device 100 normal operations.
Wherein, " first end 71 and the second end 72 are positioned " refers to that first end 71 and the second end 72 can be to be directly fixed, thereby can be also that first end 71 and the second end 72 are flexibly pressed on formation location on fixed object.For example, first end 71 and the second end 72 can flexibly be pressed on respectively on the briquetting 5 of both sides.
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.
Simply describe according to the utility model embodiment's vehicle below.
Comprise according to the distribution device 100 for motor of describing in the utility model above-described embodiment according to the utility model embodiment's vehicle.Thus, good according to the utility model embodiment's vehicle power, noxious gas emission is few, energy-conserving and environment-protective.
Should be understood that, according to other configuration example of the utility model embodiment's vehicle 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 utility model 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 specific features, structure, material or the feature of description can be with suitable mode combination 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 embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, amendment, replacement and modification.
Claims (10)
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 that is parallel to valve center line;
The first roller, the second roller and three rollers, described the first roller, described the second roller and described three rollers 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;
Briquetting, described briquetting is static with respect to the body group of described motor, on described briquetting, is configured with circular arc camber, and described three rollers is close on described circular arc camber; 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:
Two rocking arm portions and middle arm portions, described two rocking arm portions are located at respectively the two ends of described middle arm portions, and described two rocking arm portions are oppositely arranged and being axially spaced apart from each other along the first and second camshafts.
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 of 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 of described middle arm portions are respectively arranged with described the first roller and described middle arm portions is connected by the first bearing pin with these two first rollers, described the second roller is between described two rocking arm portions, described three rollers lays respectively at the outside of described two rocking arm portions, and described the second roller, described two rocking arm portions are connected by the second bearing pin with described three rollers.
5. the distribution device for motor according to claim 2, is characterized in that, also comprises:
Valve rocker and hydraulic tappet, on described valve rocker, be provided with valve rocker roller, the top of described valve coordinates with one end of described valve rocker, and described hydraulic tappet coordinates with the other end of described valve rocker, and described driving profile is resisted against on described valve rocker roller.
6. the distribution device for motor according to claim 2, it is characterized in that, also comprise: support, described support is oppositely arranged and lays respectively at the both sides of described rocker arm assembly, described briquetting is located at respectively in the relative inner of support, and described support is used for supporting described the first camshaft and the second camshaft.
7. the distribution device for motor according to claim 6, is characterized in that, in the relative inner of described support, is respectively arranged with projection;
Described distribution device also comprises: Returnning spring, described Returnning spring comprise first end, the second end, intermediate portion and be connected to described first end and described intermediate portion between first volume pars convoluta and be connected to described the second end and described intermediate portion between volume Two pars convoluta, described the first and second curled portion are enclosed within respectively on the projection of both sides, described intermediate portion is flexibly pressed in described middle arm portions, and described first end and described the second end are positioned.
8. the distribution device for motor according to claim 7, is characterized in that, described first end and described the second end are flexibly pressed on respectively on the briquetting of both sides.
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 |
|---|---|---|---|
| CN201320884042.7U CN203742691U (en) | 2013-12-30 | 2013-12-30 | Valve train for engine and automobile with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320884042.7U CN203742691U (en) | 2013-12-30 | 2013-12-30 | Valve train for engine and automobile with same |
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| CN203742691U true CN203742691U (en) | 2014-07-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382137A (en) * | 2015-07-31 | 2017-02-08 | 长城汽车股份有限公司 | Valve actuating mechanism for engine and cam of valve actuating mechanism |
| CN106460581A (en) * | 2014-06-19 | 2017-02-22 | 海力达德国有限公司 | Oscillating motor-type phaser for a camshaft |
| US10287973B2 (en) | 2015-11-04 | 2019-05-14 | ECO Holding 1 GmbH | Hydraulic valve and connection rod with the hydraulic valve |
-
2013
- 2013-12-30 CN CN201320884042.7U patent/CN203742691U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106460581A (en) * | 2014-06-19 | 2017-02-22 | 海力达德国有限公司 | Oscillating motor-type phaser for a camshaft |
| CN106460581B (en) * | 2014-06-19 | 2019-01-11 | 海力达德国有限公司 | Camshaft phase adjuster for camshaft |
| CN106382137A (en) * | 2015-07-31 | 2017-02-08 | 长城汽车股份有限公司 | Valve actuating mechanism for engine and cam of valve actuating mechanism |
| US10287973B2 (en) | 2015-11-04 | 2019-05-14 | ECO Holding 1 GmbH | Hydraulic valve and connection rod with the hydraulic valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
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| CX01 | Expiry of patent term |