CN108798818A - A kind of valve actuating mechanism and engine system - Google Patents
A kind of valve actuating mechanism and engine system Download PDFInfo
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- CN108798818A CN108798818A CN201810612451.9A CN201810612451A CN108798818A CN 108798818 A CN108798818 A CN 108798818A CN 201810612451 A CN201810612451 A CN 201810612451A CN 108798818 A CN108798818 A CN 108798818A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 44
- 230000006698 induction Effects 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 238000010304 firing Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims abstract description 6
- 238000005119 centrifugation Methods 0.000 claims description 46
- 238000007789 sealing Methods 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 abstract description 3
- 230000004064 dysfunction Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 238000004080 punching Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Lift Valve (AREA)
- Multiple-Way Valves (AREA)
Abstract
The present invention relates to technical field of engines, a kind of valve actuating mechanism and engine system are specifically provided, air distribution shaft valve is equipped with inlet channel and exhaust passage, air distribution shaft valve is rotationally connected with distribution vessel by distribution shaft, the output axis connection of distribution shaft and driving device, it is rotated by driving device, realizes variable valve timing and the control of intake and exhaust time dual.When cylinder is in induction stroke, the rotation of air distribution shaft valve, inlet channel is connected to air inlet and air distribution hole so that extraneous gas imports cylinder；When cylinder is in exhaust stroke, the rotation of air distribution shaft valve, exhaust passage is connected to air distribution hole and exhaust outlet so that cylinder interior gas is discharged；When cylinder is in compression stroke or firing stroke, air distribution shaft valve rotation, air distribution shaft jam pot cover blocks up air inlet, exhaust outlet and air distribution hole.By the valve actuating mechanism, while improving piston-mode motor with airway dysfunction, achievees the effect that simplified mechanical structure, smooth running, reduces power consumption and reduce weight, volume, noise.
Description
Technical field
The invention belongs to technical field of engines, are to be related to a kind of valve actuating mechanism and engine system more specifically.
Background technology
The valve actuating mechanism of current piston-mode motor is mainly by cylinder head, valve, valve spring, tappet, rocking arm, rocking arm
Axis, camshaft and timing mechanism composition, wherein valve, valve spring, tappet, rocking arm, cam pack are to match per cylinder is independently multigroup
It sets.Engine crankshaft drives cam axle by timing mechanism, drives valve to overcome valve spring resistance by rocker arm body
It moves reciprocatingly, the opening and closing of porting is completed by port timing, realize cylinder intake and exhaust control function.Conventional cam air gate type
Valve actuating mechanism transmission parts are more, complicated in mechanical structure, and the mechanical reciprocation of Valve Rocker Organization causes component wear fast, operating
Noise is big, overcomes valve spring resistance driving valve displacement consumption power big, makes cam valve type distribution device high failure rate, disappears
The big disadvantage of power is consumed, becomes and restricts one of an important factor for piston-mode motor systematic entirety can improve.
Invention content
The purpose of the present invention is to provide a kind of valve actuating mechanism and engine systems, to solve that distribution exists in the prior art
The technical issues of complicated in mechanical structure of mechanism, running noise are big, power consumption is big and high failure rate.
To achieve the above object, the technical solution adopted by the present invention is：A kind of valve actuating mechanism is provided, is connected with driving device
Connect, to drive the valve actuating mechanism to operate, the valve actuating mechanism is placed on cylinder, the cylinder have gas chamber and with institute
State the venthole of gas chamber connection, there are four stroke and respectively induction stroke, compression stroke, firing stroke and rows for cylinder tool
Gas stroke.The valve actuating mechanism includes distribution shell, air distribution shaft valve and distribution shaft, and the air distribution shaft valve turns with the distribution
Axis connection and the two axis is identical, the air distribution shaft valve are equipped with inlet channel and exhaust passage；
Air inlet, exhaust outlet, the air distribution hole that the distribution shell has distribution vessel and is connected to the distribution vessel
And axis hole, the air distribution shaft valve are placed in the distribution vessel and are adapted with the distribution vessel, the one of the distribution shaft
End is pierced by and connect linkage with the driving device from the axis hole to drive the air distribution shaft valve to rotate, the air distribution hole
It is connected to the venthole；
The inlet channel be connected to when the cylinder is in the induction stroke air inlet and the air distribution hole with
Extraneous gas is set to import the cylinder；
The exhaust passage be connected to when the cylinder is in the exhaust stroke air distribution hole and the exhaust outlet with
The cylinder interior gas is set to be discharged；
The air distribution shaft valve blocked when the cylinder is in the compression stroke and the firing stroke air inlet,
The exhaust outlet and the air distribution hole.
Further, there is the inlet channel the first air inlet road junction and the first outlet road junction, the exhaust passage to have
Second air inlet road junction and the second outlet road junction, wherein first outlet road junction and second air inlet road junction be located at it is described
The same sagittal plane of the axis perpendicular of air distribution shaft valve；
It is docked with the air distribution hole when the cylinder is in the induction stroke at first outlet road junction；
It is docked with the air distribution hole when the cylinder is in the exhaust stroke at second air inlet road junction.
Further, the distribution shaft includes the first air distribution shaft and the second air distribution shaft；
The air distribution shaft valve has the first distribution end and the second distribution end opposite with first distribution end, described to match
Gas axis valve in first distribution end end face and open up the first axis hole, the air distribution shaft valve along the axis of the air distribution shaft valve
In second distribution end end face and open up the second axis hole along the axis of the air distribution shaft valve, the one of first air distribution shaft
End insert in first axis hole and the other end be rotationally connected with the distribution vessel cavity wall and axial limiting in described
The one end of the cavity wall of distribution vessel, second air distribution shaft inserts in second axis hole and the other end is stretched from the axis hole
Go out to outside, end and the output shaft of the driving device except the distribution shell are located in second air distribution shaft and is connected
It connects.
Further, second air distribution shaft includes that connecting shaft section and one end are docked with one end of the connecting shaft section
Drive axle segments, wherein the connecting shaft section inserts in second axis hole and its cross section is in polygon, the connecting shaft section with
Second axis hole is adapted；The drive axle segments be arranged in the axis hole and axial limiting in the axis hole and with the axis hole
It is rotatably assorted.
Further, the air distributing device further includes the self-regulation structure for adjusting air inflow size, described automatic
Adjustment structure includes multiple centrifugation components；
The air distribution shaft valve offers multiple centrifugation sliding slots in the end face at first distribution end, and each centrifugation sliding slot is all
It is directed toward the end face center at first distribution end, and is evenly arranged around the axis of the air distribution shaft valve；
First air distribution shaft includes main shaft and multiple engaging lugs for being connect with the main shaft, each engaging lug
Be distributed in the side of the main shaft, the one end of each centrifugation component respectively with an engaging lug rotation connection and another
End insert in respectively a centrifugation sliding slot and along the axis direction of the air distribution shaft valve be limited in the centrifugation sliding slot and with institute
Centrifugation sliding slot is stated to be slidably matched；
The air distribution shaft valve carries out axial sliding relative to the axis of first air distribution shaft and second air distribution shaft, respectively
The centrifugation component is opened to side from centrifugation force effect when the main shaft is rotated and pulls the air distribution shaft valve direction
The first distribution axis direction sliding is gradually to increase the air distribution hole and the inlet channel connection amount.
Further, each centrifugation component includes centrifugal hammer and swing arm, the one end of each swing arm respectively with an institute
It states engaging lug rotation connection and the other end is rotatablely connected with a centrifugal hammer respectively, the one end difference of each centrifugal hammer
Insert in a centrifugation sliding slot and along the axis direction of the air distribution shaft valve be limited in the centrifugation sliding slot and with the centrifugal slip
Slot is slidably matched.
Further, each centrifugal hammer includes main ram body and the linking arm that is connect with the main ram body, the main ram
Body is set in the centrifugation sliding slot and is adapted with the centrifugation sliding slot, and the linking arm one end is inserted into the centrifugation sliding slot simultaneously
It is fixedly connected with the main ram body and the other end is rotatablely connected with the swing arm.
Further, each swing arm offers the first switching slot and the second switching slot, the company in its both ends
Lug inserts in the first switching slot and is rotatablely connected with the first switching slot, and the one end of the centrifugal hammer inserts in institute
It states in the second switching slot and is rotatablely connected with the second switching slot.
Further, the valve actuating mechanism further includes sealing ring, and the distribution shell is opened in the cavity wall of the distribution vessel
If annular arrangements slot, the annular arrangements slot is located at the periphery of the air distribution hole and is connected to the configuration hole, the sealing ring
One end insert in the annular arrangements slot and the other end is butted on the side wall of the air distribution shaft valve and the air distribution shaft valve fits.
Include such as above-mentioned valve actuating mechanism the present invention also provides a kind of engine system.
The advantageous effect of a kind of valve actuating mechanism provided by the invention and engine system is：The valve actuating mechanism, which uses, matches
Gas phase control technology, air distribution shaft valve are equipped with inlet channel and exhaust passage, and air distribution shaft valve is rotated by distribution shaft and is connected
It is connected to distribution vessel, the output axis connection of distribution shaft and driving device, and is rotated by driving device, realizes variable match
Gas phase and the control of intake and exhaust time dual.When cylinder is in induction stroke, while air distribution shaft valve is turned by driving device driving
Respective angles are crossed, at this point, inlet channel connection air inlet and air distribution hole are so that extraneous gas imports cylinder；It is in exhaust in cylinder
When stroke, while air distribution shaft valve turns over respective angles by driving device driving, at this point, exhaust passage connection air distribution hole and exhaust outlet
So that cylinder interior gas is discharged；When cylinder is in compression stroke, while air distribution shaft valve turns over respective corners by driving device driving
Degree, at this point, air distribution shaft jam pot cover blocks up air inlet, exhaust outlet and air distribution hole；When cylinder is in firing stroke, at the same air distribution shaft valve by
Driving device driving turns over respective angles, at this point, air distribution shaft jam pot cover blocks up air inlet, exhaust outlet and air distribution hole.Pass through the gazogene
Structure, improve piston-mode motor with airway dysfunction while, reach simplified mechanical structure, smooth running, reduce power consumption with
And reduce weight, volume, the effect of noise.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the stereogram of engine system provided in an embodiment of the present invention；
Fig. 2 is the partial perspective view of valve actuating mechanism provided in an embodiment of the present invention；
Fig. 3 is the partial perspective view of distribution shell provided in an embodiment of the present invention；
Fig. 4 is the three-dimensional assembly diagram of the first air distribution shaft and self-regulation structure provided in an embodiment of the present invention.
Wherein, each reference numeral in figure：
| Cylinder | 100 | Gas chamber | 101 |
| Valve actuating mechanism | 500 | Distribution shell | 510 |
| Air distribution shaft valve | 520 | Distribution shaft | 530 |
| Inlet channel | 521 | Exhaust passage | 522 |
| Distribution vessel | 506 | Air inlet | 502 |
| Exhaust outlet | 503 | Axis hole | 504 |
| Annular arrangements slot | 505 | First air inlet road junction | 5211 |
| First outlet road junction | 5212 | Second air inlet road junction | 5221 |
| Second outlet road junction | 5222 | First air distribution shaft | 531 |
| Second air distribution shaft | 532 | First distribution end | 523 |
| Second distribution end | 524 | First axis hole | 525 |
| Second axis hole | 526 | First mounting hole | 507 |
| Second mounting hole | 508 | Drive axle segments | 5321 |
| Self-regulation structure | 540 | Centrifuge component | 541 |
| Centrifuge sliding slot | 509 | Main shaft | 5311 |
| Engaging lug | 5312 | Centrifugal hammer | 542 |
| Swing arm | 543 | Main ram body | 5421 |
| Linking arm | 5422 | First switching slot | 5431 |
| Second switching slot | 5432 | Engine system | 1 |
| Air distribution hole | 501 |
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that when element is referred to as on " being fixed on " or " being set to " another element, it can directly exist
On another element or it may be indirectly secured to or be set on another element by third member.When an element quilt
It referred to as " is connected to " another element, it can be directly to another element or it may be indirect by third member
It is connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
It please join while read Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of valve actuating mechanism, is connect with driving device, to
Valve actuating mechanism 500 is driven to operate, valve actuating mechanism 500 is placed on cylinder 100, and cylinder 100 has gas chamber 101 and and gas chamber
The venthole of 101 connections, there are four stroke and respectively induction stroke, compression stroke, firing stroke and exhaust punchings for the tool of cylinder 100
Journey.Valve actuating mechanism 500 includes distribution shell 510, air distribution shaft valve 520 and distribution shaft 530, and air distribution shaft valve 520 turns with distribution
Axis 530 connects and the two axis is identical, and air distribution shaft valve 520 is equipped with inlet channel 521 and exhaust passage 522.
Distribution shell 510 have distribution vessel 506 and be connected to distribution vessel 506 air inlet 502, exhaust outlet 503,
Air distribution hole 501 and axis hole 504, air distribution shaft valve 520 are placed in distribution vessel 506 and are adapted with distribution vessel 506, distribution shaft
530 one end is pierced by and connect linkage with driving device from axis hole 504 to drive air distribution shaft valve 520 to rotate, air distribution hole 501
It is connected to venthole.
Inlet channel 521 is connected to air inlet 502 and air distribution hole 501 when cylinder 100 is in induction stroke so that external gas
Body imports cylinder 100.
Exhaust passage 522 is connected to air distribution hole 501 and exhaust outlet 503 when cylinder 100 is in exhaust stroke so that cylinder 100
Interior gas discharge.
Air distribution shaft valve 520 is in compression stroke in cylinder 100 and firing stroke constantly blocks air inlet 502, exhaust outlet 503
With air distribution hole 501.
In the present embodiment, which uses port timing control technology, air distribution shaft valve 520 be equipped with into
Air distribution shaft valve 520 is rotationally connected with distribution vessel 506, distribution by gas channel 521 and exhaust passage 522 by distribution shaft 530
The output axis connection of shaft 530 and driving device, and be rotated by driving device, realize variable valve timing and intake and exhaust
Time dual controls.When cylinder 100 is in induction stroke, while air distribution shaft valve 520 turns over respective corners by driving device driving
Degree, at this point, inlet channel 521 is connected to air inlet 502 and air distribution hole 501 so that extraneous gas imports cylinder 100；In cylinder 100
When in exhaust stroke, while air distribution shaft valve 520 turns over respective angles by driving device driving, at this point, exhaust passage 522 is connected to
Air distribution hole 501 and exhaust outlet 503 are so that gas is discharged in cylinder 100；When cylinder 100 is in compression stroke, while air distribution shaft
Valve 520 turns over respective angles by driving device driving, at this point, air distribution shaft valve 520 blocks air inlet 502, exhaust outlet 503 and distribution
Hole 501；When cylinder 100 is in firing stroke, while air distribution shaft valve 520 turns over respective angles by driving device driving, at this point,
Air distribution shaft valve 520 blocks air inlet 502, exhaust outlet 503 and air distribution hole 501.By the valve actuating mechanism 500, piston type is being improved
While engines distribution function, reach simplified mechanical structure, smooth running, reduce power consumption and reduce weight, volume,
The effect of noise.
In the present embodiment, air inlet 502 splits the two-phase with the distribution vessel 506 of distribution shell 510 with exhaust outlet 503
In offside cavity wall.
In the present embodiment, which is suitable for multicylinder four-stroke internal combustion engine, i.e. valve actuating mechanism is provided with more
It is a, it is corresponded with each cylinder 100.
Please refer to Fig. 1 to Fig. 3, further, distribution shell 510 opens up annular peace in the cavity wall of distribution vessel 506
Slot 505 is set, which is located at the periphery of air distribution hole 501 and is connected to air distribution hole 501.Valve actuating mechanism 500 further includes
Sealing ring (not shown), which inserts in annular arrangements slot 505, and the other end is butted on outside air distribution shaft valve 520
Surface prevents cylinder 100 in compression stroke, and gas is leaked by air distribution hole 501.Specifically, sealing ring and air distribution shaft valve 520
Side wall fit.
Specifically, which is graphite-seal ring.
Please refer to Fig. 1 to Fig. 3, further, inlet channel 521 has the first air inlet road junction 5211 and the first outlet
Road junction 5212, exhaust passage 522 have the second air inlet road junction 5221 and the second outlet road junction 5222, wherein the first outlet road junction
5212 and second air inlet road junction 5221 be located at same sagittal plane with the axis perpendicular of air distribution shaft valve 520.
It is docked with air distribution hole 501 when cylinder 100 is in induction stroke at the first outlet road junction 5212.
It is docked with air distribution hole 501 when cylinder 100 is in exhaust stroke at the second air inlet road junction 5221.
In the present embodiment, with this configuration, a venthole being connected to gas chamber 101, distribution need to be arranged in 100, cylinder
An air distribution hole being connected to venthole 501 need to be arranged in 510, shell, effectively simplify structure in this way, and simplify manufacture craft,
Improve the alignment precision of inlet channel 521 and exhaust passage 522 and air distribution hole 501.
Please refer to Fig. 1 to Fig. 3, further, distribution shaft 530 includes the first air distribution shaft 531 and the second air distribution shaft
532。
Air distribution shaft valve 520 has the first distribution end 523 and the second distribution end 524 opposite with the first distribution end 523, matches
Gas axis valve 520 in the first distribution end 523 end face and open up the first axis hole 525, air distribution shaft valve along the axis of air distribution shaft valve 520
520 in the second distribution end 524 end face and open up the second axis hole 526, the first air distribution shaft 531 along the axis of air distribution shaft valve 520
One end insert in the first axis hole 525 and the other end be rotationally connected with distribution vessel 506 cavity wall and axial limiting in
The one end of the cavity wall of gas vessel 506, the second air distribution shaft 532 inserts in the second axis hole 526 and the other end is stretched out from axis hole 504
To outside, the output axis connection of the end and driving device except distribution shell 510 is located in the second air distribution shaft 532.
In the present embodiment, air distributing device 500 further includes first bearing and second bearing, and the first air distribution shaft 531 inserts in
In bearing hole, the second air distribution shaft 532 is arranged in the bearing hole of second bearing and axial the bearing hole and axial limiting of one bearing
It is limited in bearing hole.Specifically, the cavity wall opposite with the first air distribution shaft 531 in distribution vessel 506 of distribution shell 510 offers
The outer ring of the first mounting hole 507 for being installed for first bearing, first bearing is fixed in the first mounting hole 507, this first
Mounting hole 507 is blind hole.The cavity wall opposite with the second air distribution shaft 532 in distribution vessel 506 of distribution shell 510, which offers, to be used for
For the second mounting hole 508 of second bearing installation, the second mounting hole 508 is fixed in the outer ring of second bearing, wherein axis hole 504
It is opposite with the second mounting hole 508 and be connected.
Please refer to Fig. 1 and Fig. 2, further, the second air distribution shaft 532 include connecting shaft section (not shown) and
The drive axle segments 5321 that one end is docked with one end of connecting shaft section, wherein connecting shaft section inserts in the second axis hole 526 and its is transversal
Face is in polygon, and connecting shaft section is adapted with the second axis hole 526；Drive axle segments 5321 be arranged in axis hole 504 and axial limiting in
Axis hole 504 is simultaneously rotatably assorted with axis hole 504.In this way, when the second air distribution shaft 532 rotates, air distribution shaft valve 520 can be driven to synchronize
Rotation, it is simple in structure, it is easy to make.
Please refer to Fig. 2 to Fig. 4, further, air distributing device 500 further includes for adjusting the automatic of air inflow size
Adjustment structure 540, self-regulation structure 540 include multiple centrifugation components 541.
Air distribution shaft valve 520 offers multiple centrifugation sliding slots 509 in the end face at the first distribution end 523, each to centrifuge sliding slot 509 all
It is directed toward the end face center at the first distribution end 523, and is evenly arranged around the axis of air distribution shaft valve 520.
First air distribution shaft 531 includes main shaft 5311 and the multiple engaging lugs 5312 being connect with main shaft 5311, respectively connects
Lug 5312 is distributed in the side of main shaft 5311, and each one end for centrifuging component 541 is rotated with an engaging lug 5312 respectively to be connected
It connects and the other end inserts in a centrifugation sliding slot 509 and is limited in centrifugation sliding slot 509 simultaneously along the axis direction of air distribution shaft valve 520 respectively
It is slidably matched with centrifugation sliding slot 509.
Air distribution shaft valve 520 carries out axial sliding relative to the axis of the first air distribution shaft 531 and the second air distribution shaft 532, respectively from
Heart component 541 is opened to side from centrifugation force effect when main shaft 5311 is rotated and pulls air distribution shaft valve 520 towards first
531 direction of air distribution shaft slides gradually to increase air distribution hole 501 and 521 connection amount of inlet channel.
It in the present embodiment, can be by the output rotating speed that controls the driving device by the setting of self-regulation structure 540
Flux magnitude is connect to regulate and control air distribution hole 501 and inlet channel 521, and then adjusts air inflow.For example, when driver gives it the gun,
This will certainly be such that the output rotating speed of driving device improves, i.e., the rotating speed of air distribution shaft valve 520 improves, each to centrifuge the one of component 541
End is rotatablely connected with the engaging lug 5312 in the first air distribution shaft 531, and the other end is sliding with a centrifugation sliding slot 509 respectively,
It is each to centrifuge component 541 under the action of the centrifugal force around respective engaging lug 5312 and towards phase when 520 rotating speed of air distribution shaft valve increases
The direction that mutually deviates from is opened, since the one end of each centrifugation component 541 is limited in the first air distribution shaft 531, with respectively from
The opening of heart component 541 pulls air distribution shaft valve 520 to be moved towards 531 direction of the first air distribution shaft, with increase inlet channel 521 with
The connection amount of air distribution hole 501, and then air inflow is improved, to increase the power of engine generation.
Please refer to Fig. 2 to Fig. 4, further, each component 541 that centrifuges includes centrifugal hammer 542 and swing arm 543, each pendulum
The one end of arm 543 is rotatablely connected respectively with an engaging lug 5312 and the other end is rotatablely connected with a centrifugal hammer 542 respectively, respectively
The one end of centrifugal hammer 542 inserts in a centrifugation sliding slot 509 and is limited in centrifugation sliding slot along the axis direction of air distribution shaft valve 520 respectively
509 and with centrifugation sliding slot 509 be slidably matched.
Please refer to Fig. 2 to Fig. 4, further, each centrifugal hammer 542 include main ram body 5421 and with main ram body 5421
The linking arm 5422 of connection, main ram body 5421 are set in centrifugation sliding slot 509 and are adapted with centrifugation sliding slot 509, linking arm 5422
One end is inserted into centrifugation sliding slot 509 and is fixedly connected with main ram body 5421 and the other end and swing arm 543 are rotatablely connected.
In the present embodiment, the cross section of main ram body 5421 can be polygon, circle, ellipse etc..
Specifically, each main ram body 5421 is inserted in place by the external port of each centrifugation sliding slot 509.
Specifically, respectively the size of the notch of centrifugation sliding slot 509 can be inserted into only for linking arm 5422 and be slided along notch.
Please refer to Fig. 2 to Fig. 4, further, each swing arm 543 offers the first switching slot 5431 in its both ends
With the second switching slot 5432, engaging lug 5312 inserts in the first switching slot 5431 and connects with the first switching rotation of slot 5431
It connects, the one end of centrifugal hammer 542 is inserted in the second switching slot 5432 and is rotatablely connected with the second switching slot 5432.In this way,
On the one hand it realizes rotation connection, is on the other hand convenient for quickly positioning and assembling.
Referring to Fig. 1, the embodiment of the present invention also provides a kind of engine system, include such as above-mentioned valve actuating mechanism.
In the present embodiment, above-mentioned valve actuating mechanism is applied in engine system 1, is matched improving piston-mode motor
While airway dysfunction, reaches simplified mechanical structure, smooth running, reduces power consumption and reduce weight, volume, the effect of noise
Fruit.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made by within principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of valve actuating mechanism, connect with driving device, to drive the valve actuating mechanism to operate, the valve actuating mechanism placement
In on cylinder, the venthole that the cylinder has gas chamber and is connected to the gas chamber, the cylinder tool is there are four stroke and divides
Wei induction stroke, compression stroke, firing stroke and exhaust stroke, which is characterized in that the valve actuating mechanism include distribution shell,
Air distribution shaft valve and distribution shaft, the air distribution shaft valve is connected with the distribution shaft and the two axis is identical, the air distribution shaft
Valve is equipped with inlet channel and exhaust passage；
Air inlet, exhaust outlet, air distribution hole and the axis that the distribution shell has distribution vessel and is connected to the distribution vessel
Hole, the air distribution shaft valve are placed in the distribution vessel and are adapted with the distribution vessel, the one end of the distribution shaft
It is pierced by from the axis hole and connect linkage with the driving device to drive the air distribution shaft valve to rotate, the air distribution hole and institute
State venthole connection；
The inlet channel is connected to the air inlet and the air distribution hole when the cylinder is in the induction stroke so that outer
Portion's gas imports the cylinder；
The air distribution hole and the exhaust outlet are connected to when the cylinder is in the exhaust stroke for the exhaust passage so that institute
State cylinder interior gas discharge；
The air distribution shaft valve blocks the air inlet, described when the cylinder is in the compression stroke and the firing stroke
Exhaust outlet and the air distribution hole.
2. valve actuating mechanism as described in claim 1, which is characterized in that the inlet channel has the first air inlet road junction and first
Outlet road junction, the exhaust passage have the second air inlet road junction and the second outlet road junction, wherein first outlet road junction and institute
The second air inlet road junction is stated positioned at the same sagittal plane with the axis perpendicular of the air distribution shaft valve；
It is docked with the air distribution hole when the cylinder is in the induction stroke at first outlet road junction；
It is docked with the air distribution hole when the cylinder is in the exhaust stroke at second air inlet road junction.
3. valve actuating mechanism as described in claim 1, which is characterized in that the distribution shaft is matched including the first air distribution shaft and second
Gas axis；
The air distribution shaft valve has the first distribution end and the second distribution end opposite with first distribution end, the air distribution shaft
Valve in first distribution end end face and open up the first axis hole along the axis of the air distribution shaft valve, the air distribution shaft valve is in institute
It states the end face at the second distribution end and opens up the second axis hole, the one end of first air distribution shaft along the axis of the air distribution shaft valve
Insert in first axis hole and the other end be rotationally connected with the distribution vessel cavity wall and axial limiting in the distribution
The one end of the cavity wall of vessel, second air distribution shaft inserts in second axis hole and the other end is extend out to from the axis hole
Outside is located at the output axis connection of the end and the driving device except the distribution shell in second air distribution shaft.
4. valve actuating mechanism as claimed in claim 3, which is characterized in that second air distribution shaft includes connecting shaft section and one end
The drive axle segments docked with one end of the connecting shaft section, wherein the connecting shaft section inserts in second axis hole and it is horizontal
Section is in polygon, and the connecting shaft section is adapted with second axis hole；The drive axle segments are arranged in the axis hole and axis
To being limited in the axis hole and be rotatably assorted with the axis hole.
5. valve actuating mechanism as claimed in claim 3, which is characterized in that the air distributing device further includes big for adjusting air inflow
Small self-regulation structure, the self-regulation structure include multiple centrifugation components；
The air distribution shaft valve offers multiple centrifugation sliding slots in the end face at first distribution end, and each centrifugation sliding slot is all directed toward
The end face center at first distribution end, and be evenly arranged around the axis of the air distribution shaft valve；
First air distribution shaft includes main shaft and multiple engaging lugs for being connect with the main shaft, and each engaging lug is uniformly distributed
In the side of the main shaft, the one end of each centrifugation component is rotatablely connected respectively with an engaging lug and the other end
Insert in respectively a centrifugation sliding slot and along the axis direction of the air distribution shaft valve be limited in the centrifugation sliding slot and with it is described from
Heart sliding slot is slidably matched；
The air distribution shaft valve carries out axial sliding relative to the axis of first air distribution shaft and second air distribution shaft, each described
Centrifugation component is opened to side from centrifugation force effect when the main shaft is rotated and pulls the air distribution shaft valve described in
First distribution axis direction slides gradually to increase the air distribution hole and the inlet channel connection amount.
6. valve actuating mechanism as claimed in claim 5, which is characterized in that each centrifugation component includes centrifugal hammer and swing arm, respectively
The one end of the swing arm connects with a centrifugal hammer rotation with an engaging lug rotation connection and the other end respectively respectively
It connects, the one end of each centrifugal hammer inserts in a centrifugation sliding slot and is limited in along the axis direction of the air distribution shaft valve respectively
The centrifugation sliding slot is simultaneously slidably matched with the centrifugation sliding slot.
7. valve actuating mechanism as claimed in claim 6, which is characterized in that each centrifugal hammer include main ram body and with the master
The linking arm of hammer body connection, the main ram body are set in the centrifugation sliding slot and are adapted with the centrifugation sliding slot, the connection
Arm one end is inserted into the centrifugation sliding slot and is fixedly connected with the main ram body and the other end and swing arm rotation connection.
8. valve actuating mechanism as claimed in claim 6, which is characterized in that each swing arm offers the first switching in its both ends
Slot and the second switching slot, the engaging lug insert in the first switching slot and connect with the first switching slot rotation
It connects, the one end of the centrifugal hammer is inserted in the second switching slot and is rotatablely connected with the second switching slot.
9. such as valve actuating mechanism described in any item of the claim 1 to 8, which is characterized in that the valve actuating mechanism further includes sealing
Ring, the distribution shell open up annular arrangements slot in the cavity wall of the distribution vessel, and the annular arrangements slot is located at the distribution
The periphery in hole is simultaneously connected to the configuration hole, and one end of the sealing ring inserts in the annular arrangements slot and the other end is butted on institute
It states the side wall of air distribution shaft valve and the air distribution shaft valve fits.
10. a kind of engine system, which is characterized in that including valve actuating mechanism as claimed in any one of claims 1-9 wherein.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612451.9A CN108798818B (en) | 2018-06-14 | 2018-06-14 | Valve mechanism and engine system |
| PCT/CN2019/090949 WO2019238070A1 (en) | 2018-06-14 | 2019-06-12 | Valve mechanism and engine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612451.9A CN108798818B (en) | 2018-06-14 | 2018-06-14 | Valve mechanism and engine system |
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| Publication Number | Publication Date |
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| CN108798818A true CN108798818A (en) | 2018-11-13 |
| CN108798818B CN108798818B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810612451.9A Active CN108798818B (en) | 2018-06-14 | 2018-06-14 | Valve mechanism and engine system |
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| Country | Link |
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| CN (1) | CN108798818B (en) |
| WO (1) | WO2019238070A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019238070A1 (en) * | 2018-06-14 | 2019-12-19 | 倪梓欣 | Valve mechanism and engine system |
| WO2020015575A1 (en) * | 2018-07-16 | 2020-01-23 | 倪梓欣 | Multi-cylinder engine system |
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Also Published As
| Publication number | Publication date |
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| CN108798818B (en) | 2023-12-26 |
| WO2019238070A1 (en) | 2019-12-19 |
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