CN110520649A - The CVT speed changer that can pneumatically adjust - Google Patents
The CVT speed changer that can pneumatically adjust Download PDFInfo
- Publication number
- CN110520649A CN110520649A CN201880023521.5A CN201880023521A CN110520649A CN 110520649 A CN110520649 A CN 110520649A CN 201880023521 A CN201880023521 A CN 201880023521A CN 110520649 A CN110520649 A CN 110520649A
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- CN
- China
- Prior art keywords
- conical disc
- speed changer
- cvt speed
- axially movable
- pneumatic chamber
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/52—Pulleys or friction discs of adjustable construction
- F16H55/56—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
- F16H55/563—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable actuated by centrifugal masses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
- F16H9/18—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/40—Actuators for moving a controlled member
- B60Y2400/408—Pneumatic actuators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/04—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
- F16H63/06—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions
- F16H63/065—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions hydraulic actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
The present invention relates to a kind of CVT speed changers comprising the conical disc at least one conical disc (21) being axially movable is to (2)；For adjusting the regulating device (5) and control unit (6) of the position of the conical disc (21) being axially movable, described control unit is provided for manipulating the regulating device (5), to change the position of the conical disc (21) being axially movable, wherein, the regulating device (5) includes pneumatic chamber (50), the pneumatic chamber is arranged on the rear side (22) of the conical disc (21) being axially movable, so that passing through the axial movement in the conical disc (21) that is axially movable described in realizing in the pressure change in the pneumatic chamber (50) in the axial direction (X-X), wherein, centrifugal force element (3) are arranged in the conical disc (21) being axially movable, wherein, the pneumatic chamber (50) is described by the conical disc (21) being axially movable The front side (31) of rear side (22) and the disk shell (30) limits.It herein proposes, slope shape supporting zone (32) are constructed on the front side (31) of the disk shell (30), wherein, the centrifugal force element (3) is arranged between the conical disc (21) being axially movable and the slope shape supporting zone (32).
Description
Technical field
The present invention relates to it is a kind of particularly for small vehicle, such as two wheeler, tricycle, carriage or snowmobile can be pneumatic
The CVT speed changer (infinitely variable speed changer) of adjusting and a kind of internal combustion engine and a kind of vehicle.The present invention relates to a kind of tools
There is the CVT speed changer that can pneumatically adjust of 1 preamble feature of independent claims.
Background technique
By the prior art in different configurations known CVT speed changer.Compared to have determine gear speed changer, due to
The speed changer of continuous variable can realize suitable transmission ratio respectively in the car.The special application field of this kind of CVT speed changer
It is small vehicle, such as two wheeler, tricycle (so-called motor tricycle (Tucktucks)), snowmobile, carriage, four-wheel
Vehicle or scooter.In this kind of CVT speed changer, belt is usually adjusted using centrifugal force controller in conical disc to upper position
It sets.Here, the centrifugal force counterweight of centrifugal force controller according to its mobile radial position of revolving speed, thus change two conical discs it
Between axial distance and thus change speed changer transmission ratio.However, the shortcomings that this class component, is: cannot be to CVT speed change
The transmission ratio of device carries out intervention that is actively controlled or being adjusted.It is desired to have herein for the speed change to CVT speed changer
Device transmission ratio carries out the simple possible scheme of intervention that is controlled and being adjusted, which can especially be used in small vehicle
In.
10 2,015 214 153 A1 of DE shows a kind of CVT speed changer with pneumatic regulation unit, the regulating device
The conical disc being axially movable is adjusted by aerodynamic force.For this purpose, being provided with the position for adjusting the conical disc being axially movable
Regulating device.Regulating device is, for example, pneumatic regulation unit, and the pneumatic regulation unit can be transported axially by aerodynamic force adjusting
Dynamic conical disc.Regulating device includes the pneumatic chamber being arranged on the rear side for the conical disc being axially movable.Here, can axially transport
It is the side not with the winding device contacts of CVT speed changer on rear side of dynamic conical disc.Therefore, because the pressure change in pneumatic chamber
Cause the axial movement of conical disc.Here, the power that the pressure is resisted or enhancing is generated by centrifugal force element.
Summary of the invention
A kind of CVT speed changer is proposed according to the present invention.The CVT speed changer includes that there is at least one to be axially movable
Regulating device and control unit of the conical disc of conical disc to, position for adjusting the conical disc being axially movable, the control
Unit processed is provided for manipulation regulating device, to change the position for the conical disc being axially movable.Here, regulating device packet
The pneumatic chamber being arranged on the rear side for the conical disc being axially movable is included, so that can axis by the pressure change realization in pneumatic chamber
To the conical disc axial movement in the axial direction of movement.Here, being disposed with centrifugal force in the conical disc being axially movable
Element, wherein the rear side for the conical disc that pneumatic chamber is axially movable and the front side of disk shell limit.
According to the present invention, the supporting zone of slope shape is configured on the front side of disk shell, wherein centrifugal force element arrangement
Between the conical disc being axially movable and slope shape supporting zone.
CVT speed changer according to the present invention with claim 1 feature has the advantage that In compared with prior art
Extremely simple and compact pneumatic chamber is realized on the rear side of movable conical disc.Pneumatic chamber can be with simple and compact side
Formula passes through the rear side for the conical disc being axially movable and disk shell is constituted.By for centrifugal force element, construction in disk shell
Slope shape supporting zone on front side can save for example be arranged in it is between disk shell and the conical disc being axially movable, have
The other component of slope shape supporting zone and therefore advantageously saving member and installation space.In addition, centrifugal force element can be by
The advantageously stable guidance of slope shape supporting zone on the front side of disk shell is constructed, this facilitates CVT speed changer advantageously
Stable frame mode.Meanwhile CVT speed changer can be by the supporting zone constructed on front side of disk shell advantageously simplifiedly
It is assembled.
It can be realized other advantageous configurations and expansion scheme of the invention by the feature provided in the dependent claims.
Advantageously, the conical disc being axially movable is at least partially disposed in disk shell.Therefore, the cone being axially movable
Shape disk can move in the axial direction advantageously in conical shell and so constitute variable pneumatic chamber: the pneumatic chamber
Such as it can be changed by the pressure from connecting line.Therefore, the conical disc of axial movement itself plays a kind of for adjusting
Save the effect of the piston of transmission ratio.
It is arranged in an advantageous embodiment, cylindrical shell body wall is configured on disk shell, wherein is being axially movable
Conical disc on be configured with cylindricality Pan Bi, wherein cylindricality Pan Bi is arranged radially in housing wall in overlapping region and shell
Wall and Pan Bi are so in radial directions towards perimeter limit pneumatic chamber.Therefore, it can be advantageous to constitute elastic and variable
Pneumatic chamber.Therefore, at the same can advantageously only by the conical disc that is axially movable and disk shell not only in the axial direction
Towards the fixed conical disc in position and the fixed conical disc of separate location and in radial directions limit gas in the axial direction
Dynamic room.Therefore, conical disc being axially movable itself plays the role of a kind of for adjusting the piston of transmission ratio.
Advantageously, sealing element is disposed in overlapping region between Pan Bi and housing wall, wherein sealing element annular
Ground surrounds Pan Bi.Advantageously, pneumatic chamber can be sealed by this kind of sealing element well in overlapping region.It can make simultaneously
The conical disc being axially movable advantageously moves in the axial direction relative to disk shell, wherein retains in overlapping region close
Seal apparatus.
In an advantageous embodiment, it is configured with the groove around Pan Bi in Pan Bizhong, the sealing element is arranged in
In the groove.Therefore, the sealing element can be advantageously fixed in disk wall and opposite in the conical disc being axially movable
As the conical disc moves in overlapping region when the axial movement of disk shell.
Advantageously, disk shell rotates together with the conical disc being axially movable.Therefore, the conical disc that is axially movable and
The pneumatic chamber that disk shell limits also rotates.
Be arranged in an advantageous embodiment, on front side of the disk shell on slope shape supporting zone between be configured with it is opposite
In the intermediate region that supporting zone increases.These intermediate regions increased can be advantageously used for for conical disc linear movement
Guide portion and for transmitting torque.In addition, intermediate region for example can also advantageously be scarfed to the conical disc being axially movable
Rear side in, in the groove that complementally constructs so that disk shell advantageously rotates together with the conical disc being axially movable, and
And torque can be transmitted on disk shell from crankshaft and be further transferred in the conical disc being axially movable.
Advantageously, it is configured with intermediate region groove on the side wall of intermediate region, is arranged in the intermediate region groove
There is sliding members.Here, the sliding members is with the conical disc being axially movable in contacting.It therefore, can be can be axial
Establish advantageously simple and stable contact between the conical disc and disk shell of movement so that for example described disk shell advantageously with
The conical disc being axially movable rotates together.Here, sliding members can advantageously simplify the axis for the conical disc being axially movable
To movement, mode is for example advantageously to be reduced and rubbed by sliding members.In addition, sliding members is advantageously used in vibration damping.
Furthermore it proves advantageously, disk shell constructs one-piece.It is, therefore, possible to provide a kind of extremely simple and saving is empty
Between, CVT speed changer with the number of components being advantageously reduced.
In an advantageous embodiment, CVT speed changer further includes the negative pressure source that can be connect with pneumatic chamber, especially air inlet
Pipe.The pneumatic regulation unit can be arranged such that, so that the conical disc for pressing adjusting to be axially movable by bearing.Therefore, In
Using advantageously maintaining negative pressure in pneumatic storage device when pneumatic storage device.Pneumatic storage device can pass through connecting line
It is connect with negative pressure source.
The invention further relates to a kind of internal combustion engines comprising CVT speed changer of the invention.Internal combustion engine is for example including at least one
Cylinder leads to the air inlet pipe of cylinder at least one, wherein and the air inlet pipe is connect with the pneumatic regulation unit of CVT speed changer,
In order to provide the aerodynamic force for adjusting CVT speed changer.Here, air inlet pipe can be connect with pneumatic chamber.Therefore, by using into
Tracheae can be used negative pressure pneumatically to adjust CVT speed changer.This is particularly advantageous, because in the internal combustion engine with air inlet pipe
After all there is negative pressure and can be additionally used for adjusting the transmission ratio of CVT speed changer.
In addition, the present invention relates to a kind of vehicles comprising CVT speed changer of the invention and/or internal combustion engine of the invention.Institute
Stating vehicle preferably has vehicle frame, especially pipeline and pipeline composite construction it is so structured that pneumatic storage device.For this purpose, for example may be used
Hollow frame is arranged, over-voltage or negative pressure can use as pneumatic storage device to provide for adjusting CVT in the hollow frame
The aerodynamic force of speed changer.This is particularly advantageous when using the two wheeler or tricycle usually with this kind of hollow frame.As a result,
Other components for pneumatic storage device are not needed, but only need some of airtightly closed hollow pipeline or similar structures
Section, to play the role of pneumatic storage device.
Vehicle of the invention is preferably small vehicle, especially two wheeler or tricycle or carriage or snowmobile or slide plate
Vehicle or similar vehicles.
Detailed description of the invention
It is shown in the accompanying drawings and the embodiment that the present invention is furture elucidated in the following description.
The schematic diagram of Fig. 1 CVT speed changer according to a first embodiment of the present invention, for small vehicle,
The schematic sectional view of the primary driving device of the CVT speed changer of Fig. 2 Fig. 1,
The diagram of the embodiment of the disk shell of the CVT speed changer of Fig. 3 Fig. 1 and Fig. 2,
Fig. 4 has the diagram of the embodiment for the conical disc of centrifugal force element being axially movable,
The schematic diagram of the regulating valve of Fig. 5 first embodiment,
The schematic diagram of the regulating valve of Fig. 6 according to a second embodiment of the present invention.
Specific embodiment
In the following, CVT speed changer 1 according to the preferred embodiment of the invention is described in detail referring to figs. 1 to 5, that is to say, that can connect
The continuous stepless transmission adjusted.
As seen from Figure 1, CVT speed changer 1 includes driven first conical disc to 2, and first conical disc is to having
The conical disc 21 position fixed conical disc 20 and be axially movable.Second conical disc is to being set as output element 13.Two cones
Shape disk is in known manner by winding device 12, especially belt interconnection.
First conical disc is arranged on the crankshaft 11 of internal combustion engine 10 to 2.Here, the conical disc 20 that crankshaft 11 and position are fixed
Connection.
CVT speed changer 1 further includes the centrifugal force element 3 being arranged in the conical disc 21 being axially movable.In this implementation
In example, centrifugal force element 3 is sphere.In this embodiment, such as setting is there are six centrifugal force element 3.It can certainly set
Set any number of centrifugal force element 3.Alternatively, solid cylinder or hollow cylinder or similar structures also can be used.Here, from
Mental and physical efforts element 3 is arranged on the rear side 22 for the conical disc 21 being axially movable.
Now, in order to adjust the axial position of the conical disc 21 being axially movable, pneumatic regulation unit 5 is set.It is pneumatic to adjust
Regulating device 5 includes the pneumatic chamber 50 being arranged on the rear side 22 for the conical disc being axially movable.The regulating device 5 is for adjusting
The axial position for the conical disc 21 being axially movable.
As further as seen from Figure 1, the air inlet pipe 9 of internal combustion engine 10 is connect with negative pressure storage device 7 via the first pipeline 16.
Here, being disposed with check-valves 18 in the first pipeline 16.Second pipeline 17 is provided for will be present in negative pressure storage device 7
The intake line that is conveyed to pneumatic chamber 50 of pressure.Regulating valve 8 is disposed in the second pipeline 17.Show in detail in fig. 5 and fig.
The regulating valve 8 out.Regulating valve 8 is adjusted according to the hope transmission ratio of CVT speed changer 1 by control unit 6.Control unit 6 is set
It is set to for manipulating regulating device 5, to change the position for the conical disc 21 being axially movable.
Therefore, it can be fully utilized: use the negative pressure being present in the air inlet pipe 9 of internal combustion engine 10 as adjusting
Save the pneumatic energy of the transmission ratio of CVT speed changer 1.Here, the stress level and air throttle position state and internal combustion engine in air inlet pipe 9 turn
Speed is related.Therefore, the negative voltage supply of negative pressure storage device 7 can be continuously ensured that in the operation of internal combustion engine.Hereby it is achieved that
Simple and reliable adjustment by aerodynamic force to the conical disc 21 being axially movable.It can be realized by ambient pressure multiple
Position.
Negative pressure storage device 7 can be for example arranged in the cavity of vehicle.
In addition, in the first embodiment, regulating device 5 is arranged in the primary side of CVT speed changer, that is exists
On input side.Alternatively, regulating device can be also arranged in the primary side of CVT speed changer, that is in driving element 13
On.Further alternatively, regulating device is arranged in primary side and primary side.
Regulating device 5 includes pneumatic chamber 50.Fig. 2 is shown in schematic sectional view of the conical disc to 2 of CVT speed changer 1
The embodiment of pneumatic chamber 50.The conical disc 21 that conical disc includes the fixed conical disc 20 in position and be axially movable to 2.Pneumatic chamber
50 are arranged on the rear side 22 for the conical disc 21 being axially movable.Therefore, the conical disc 21 that pneumatic chamber 50 is axially movable
22 limit of rear side.In addition, pneumatic chamber 50 is by 31 limit of front side of disk shell 30.
In this embodiment, cylindrical shell body wall 33 is configured on disk shell 30.In this embodiment, can be axial
Cylindricality disk wall 23 is configured in the conical disc 21 of movement.Cylindricality disk wall 23 is arranged in overlapping region 24 in housing wall 33.It can
The housing wall 33 of the cylindricality disk wall 23 of the conical disc 21 of axial movement and disk shell 30 is removable relative to each other on X-X in the axial direction
It is dynamic.When the conical disc 21 being axially movable on disk shell 30 in the axial direction X-X relative to moving, the size of overlapping region 24
Change.In this embodiment, cylindricality disk wall 23 and housing wall 33 are in radial directions towards 28 limit pneumatic chamber of perimeter
50.Between disk wall 23 and housing wall 33, sealing element 53 is provided in overlapping region 24.In this embodiment, it seals
Element 53 is annularly around disk wall 23, so that disk wall 23 is relative to housing wall 33 in radial directions entirely around ground seal disc wall
23 and thereby formed sealing pneumatic chamber 50.For this purpose, being provided with the groove 25 around disk wall 23 in disk wall 23, wherein sealing
Element 53 is arranged in groove 25.Sealing element 53 is in entirely around 23 ground of disk wall and disk wall 23 contact in and disk wall 23 it is complete
It is in entirely around ground with housing wall 33 in contacting.Sealing element for example can be o-ring, Simmer ring, piston packing ring or class
Like sealing ring.
The front side 31 of disk shell 30 X-X upper control limit pneumatic chamber 50 in the axial direction.Meanwhile the conical disc 21 being axially movable
The X-X upper control limit pneumatic chamber 50 in the axial direction of rear side 22.Front side 31 is in 22 phase of rear side with the conical disc 21 being axially movable
Anti- direction upper control limit pneumatic chamber 50.
In the operation of CVT speed changer, disk shell 30 rotates together with the conical disc 21 being axially movable.Here, can axis
It is fixed on outer sleeve 54 to the conical disc 21 of movement, the outer sleeve is movably disposed within inner sleeve on X-X in the axial direction
On cylinder 55.Therefore, the conical disc 21 that crankshaft 11, disk shell 30, the conical disc 21 being axially movable and position are fixed is also quickly
Rotation.
In this embodiment, for axial direction X-X, in the conical disc 20 that the deviation location of outer sleeve 54 is fixed
Side on be provided with the second air locking 57 entirely around inner sleeve 55.In this embodiment, about axial direction X-X
For, it is provided on the side of the fixed conical disc 20 of the facing position of outer sleeve 54 entirely around the second close of inner sleeve 55
Seal device 57.
Disk shell 30 for example with crankshaft 11 directly or centre place it is attached it is not shown in the figure, entirely around crankshaft 11
Sealing element in the case of connect indirectly.Here, the conical disc that crankshaft 11 is guided through disk shell 30 and is axially movable
21。
Due to the pressure change in pneumatic chamber 50, conical disc 21 can be changed about the position of axial direction X-X.Such as
If regulating valve 8 connect negative pressure storage device 7 with pneumatic chamber 50, the pressure reduction in pneumatic chamber 50, so that can be axial
The conical disc 21 of movement moves axially in the direction of arrow A.Here, the conical disc 21 being axially movable is transported in disk shell 30
It is dynamic, although the disk shell is rotatably arranged, do not arranged movably on X-X in the axial direction.Therefore, can be axial
The distance between the conical disc 20 that the conical disc 21 of movement and position are fixed becomes much larger, so that belt is further towards crankshaft 11
It vacillates in direction.
In addition, as shown in FIG. 2, centrifugal force element 3 is provided in CVT speed changer.Here, 3 cloth of centrifugal force element
It sets on the rear side 22 for the conical disc 21 being axially movable.In this embodiment, centrifugal force element 3 is sphere.In this reality
It applies in example, such as there are six centrifugal force elements 3 for setting.Any number of centrifugal force element 3 can certainly be set.Alternatively,
Also solid cylinder or hollow cylinder or similar structures can be used.Centrifugal force counterweight 3 is shifted according to the revolving speed of conical disc, so that
Only need to carry out fine-tuning for transmission ratio by pneumatic regulation unit.
In order to be supported on centrifugal force element 3 on the front side 31 of disk shell 30, it is configured on the front side of disk shell 30 31
The supporting zone 32 of slope shape.It constructs to 32 slope shape of supporting zone, wherein the supporting zone 32 is from crankshaft 11 towards shell
The conical disc 20 fixed by near position in the radial direction of body wall 33.Centrifugal force element 3 is arranged in the conical disc being axially movable
Between 21 and slope shape supporting zone 32.Therefore, centrifugal force element 3 is arranged in pneumatic chamber 50.
It is configured between the supporting zone 32 on the front side of disk shell 30 31 relative to the X-X in the axial direction of supporting zone 32
On the intermediate region 34 increased.The intermediate region 34 increased between supporting zone 32 for example constructs in this way, so that in increasing
Between region 34 be scarfed to groove on the rear side 22 for the conical disc 21 being axially movable, complementally constructing with intermediate region 34
In 26.The groove 26 constructed on the rear side 22 for the conical disc 21 being axially movable is shown in FIG. 4.Groove 26 is used for can axis
The intermediate region 34 increased is guided when being axially moved to the conical disc 21 of movement.It is recessed by being scarfed in the intermediate region 34 increased
The shape formed when in slot 26 is sealed can be further transferred to torque in the conical disc 21 being axially movable from disk shell 30.
In addition, other slope shape supporting zone 27 is also configured on the rear side 22 for the conical disc 21 being axially movable, centrifugal force member
Part 3 sticks on the slope shape supporting zone.Intermediate region 32 is about axial direction X-X towards the fixed conical disc 20 in position
Direction is prominent from supporting zone 32.It is shown in FIG. 3 with front side 31, supporting zone 32, housing wall 33 and intermediate region 34
One embodiment of disk shell 30.Intermediate region 34 has side wall 35.In this embodiment, side wall 35 is for example in axial direction
X-X orientation.In this embodiment, intermediate region groove 36 is configured on side wall 35.It is arranged in intermediate region groove 36
There is sliding members 37.Sliding members 37 and the conical disc 21 being axially movable in contacting, and are worked as example in groove 26
It is slided in the conical disc 21 being axially movable when the conical disc being axially movable is adjusted axially.Therefore, sliding members 37
It can simplify the axial movement for the conical disc 21 being axially movable, mode is that friction is for example reduced by sliding members 37.This
Outside, sliding members 37 is used for vibration damping.
As shown in FIG. 3, in this embodiment, disk shell 30 constructs one-piece.Therefore, the front side of disk shell 30
31, supporting zone 32 and housing wall 32 construct one-piece and so constitute disk shell 30.In addition, in this embodiment,
Intermediate region 34 is also constructed with the front side 31 of disk shell 30, supporting zone 32 and housing wall 33 one-piece.
Fig. 5 shows one embodiment of regulating valve 8.In this embodiment, regulating valve 8 is three position three-way change valve,
In, on the one hand regulating valve 8 can establish connection with negative pressure storage device 7 and on the other hand can be with (the surrounding of ambient enviroment 19
Environmental pressure) establish connection.The third position state being shown in FIG. 5 is the closure position state of regulating valve 8.
The distance between the conical disc 20 that the conical disc 21 being axially movable and position are fixed reduces again can be by of short duration
It opens regulating valve 8 and is realized with establishing the connection with ambient enviroment 19 in ground.
In such an embodiment, the second pipeline 17 is disposed so as the second pipeline 17 and leads in pneumatic chamber 50.Such as it manages
Road can pass through crankshaft 11 and connect from inside with pneumatic chamber 50.
Fig. 6 shows an alternate configuration of regulating valve 8, and the regulating valve includes two bi-bit bi-pass in this embodiment
Reversal valve 80,81.Here, one in the two bi-bit bi-pass reversal valves is arranged between negative pressure memory 7 and pneumatic chamber 50,
And another in two bi-bit bi-pass reversal valves is arranged between pneumatic chamber 50 and ambient enviroment 19.
The present invention is especially used in small vehicle, such as two wheeler, tricycle or carriage or snowmobile or similar vehicle
.
It is of course also possible to consider the combining form of other embodiments and illustrated embodiment.
Claims (12)
1. a kind of CVT speed changer comprising:
The conical disc for the conical disc (21) that can be axially moved at least one is to (2)；
For adjust it is described can be axially moved conical disc (21) position regulating device (5) and
Control unit (6), described control unit are provided for manipulating the regulating device (5), axial to change the energy
The position of the conical disc (21) of movement,
Wherein, the regulating device (5) includes pneumatic chamber (50), and the pneumatic chamber is arranged in the conical disc that can be axially moved
(21) on rear side (22), so that realizing the taper that can be axially moved by the change of the pressure in the pneumatic chamber (50)
Disk (21) axial movement on (X-X) in the axial direction, wherein be disposed in the conical disc (21) that can be axially moved from
Mental and physical efforts element (3),
Wherein, the pneumatic chamber (50) is by before the rear side (22) and disk shell (30) of the conical disc (21) that can be axially moved
Side (31) limits,
It is characterized in that, being configured with slope shape supporting zone (32) on the front side (31) of the disk shell (30), wherein
The centrifugal force element (3) be arranged in it is described can be axially moved conical disc (21) and the slope shape supporting zone (32) it
Between.
2. according to CVT speed changer described in preceding claims 1, which is characterized in that the conical disc (21) that can be axially moved
It is at least partially disposed in the disk shell (30).
3. CVT speed changer according to any one of the preceding claims, which is characterized in that the structure on the disk shell (30)
Make cylindrical shell body wall (33), wherein cylindricality Pan Bi (23) are configured in the conical disc (21) that can be axially moved,
In, the cylindricality Pan Bi (23) is arranged radially in the housing wall (33) in overlapping region (24) and the housing wall
(33) and the Pan Bi (23) is so in radial directions towards pneumatic chamber (50) described in perimeter (28) limit.
4. CVT speed changer according to claim 3, which is characterized in that in the Pan Bi (23) and the housing wall (33)
Between sealing element (53) are disposed in the overlapping region (24), wherein the sealing element (53) is annularly around institute
State Pan Bi (23).
5. CVT speed changer according to claim 4, which is characterized in that be configured in the Pan Bi (23) around described
The groove (25) of Pan Bi (23), the sealing element (53) are arranged in the groove.
6. CVT speed changer according to any one of the preceding claims, which is characterized in that the disk shell (30) with it is described
The conical disc (21) that can be axially moved rotates together.
7. CVT speed changer according to any one of the preceding claims, which is characterized in that before the disk shell (30)
The middle area increased relative to the supporting zone (32) is configured between the slope shape supporting zone (32) on side (31)
Domain (34).
8. CVT speed changer according to claim 8, which is characterized in that on the side wall (35) of the intermediate region (34)
Intermediate region groove (36) are configured with, sliding members (37) are disposed in the intermediate region groove, wherein the sliding member
Part (37) is contacted with the conical disc (21) that can be axially moved.
9. CVT speed changer according to any one of the preceding claims, which is characterized in that disk shell (30) single type
Ground construction.
10. CVT speed changer according to any one of the preceding claims further includes that can connect with the pneumatic chamber (50)
Negative pressure source, especially air inlet pipe (9).
11. a kind of internal combustion engine comprising CVT speed changer according to any one of the preceding claims.
12. a kind of vehicle comprising CVT speed changer according to any one of claim 1 to 10 and/or wanted according to right
Internal combustion engine described in asking 11.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017205514.6A DE102017205514A1 (en) | 2017-03-31 | 2017-03-31 | Pneumatically adjustable CVT transmission |
| DE102017205514.6 | 2017-03-31 | ||
| PCT/EP2018/055291 WO2018177688A1 (en) | 2017-03-31 | 2018-03-05 | Pneumatically adjustable continuously variable transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110520649A true CN110520649A (en) | 2019-11-29 |
Family
ID=61683753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880023521.5A Pending CN110520649A (en) | 2017-03-31 | 2018-03-05 | The CVT speed changer that can pneumatically adjust |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3601846A1 (en) |
| CN (1) | CN110520649A (en) |
| DE (1) | DE102017205514A1 (en) |
| TW (1) | TW201842284A (en) |
| WO (1) | WO2018177688A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0671950U (en) * | 1993-03-22 | 1994-10-07 | 栃木富士産業株式会社 | Continuously variable transmission |
| CN1121019A (en) * | 1994-04-14 | 1996-04-24 | 皮亚乔·威考利欧洲公司 | Drive pulley unit in pedal vehicles with stepless transmission comprising an automatic device for facilitating starting |
| CN1740587A (en) * | 2004-08-27 | 2006-03-01 | 谦淳有限公司 | Disc driver for automatic speed varying transmission mechanism |
| KR20130013028A (en) * | 2011-07-27 | 2013-02-06 | 권영웅 | Cvt applied centrifugal ball |
| TW201710615A (en) * | 2015-07-27 | 2017-03-16 | Bosch Gmbh Robert | Pneumatically adjustable continuously variable transmission |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010049312A1 (en) * | 1999-12-27 | 2001-12-06 | Warner Steven E. | Variable speed drive system |
| US9476486B2 (en) * | 2012-09-28 | 2016-10-25 | Brp-Powertrain Gmbh & Co. Kg | Pneumatically assisted continuously variable transmission |
-
2017
- 2017-03-31 DE DE102017205514.6A patent/DE102017205514A1/en not_active Withdrawn
-
2018
- 2018-03-05 WO PCT/EP2018/055291 patent/WO2018177688A1/en active Application Filing
- 2018-03-05 CN CN201880023521.5A patent/CN110520649A/en active Pending
- 2018-03-05 EP EP18711499.6A patent/EP3601846A1/en not_active Withdrawn
- 2018-03-29 TW TW107110868A patent/TW201842284A/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0671950U (en) * | 1993-03-22 | 1994-10-07 | 栃木富士産業株式会社 | Continuously variable transmission |
| CN1121019A (en) * | 1994-04-14 | 1996-04-24 | 皮亚乔·威考利欧洲公司 | Drive pulley unit in pedal vehicles with stepless transmission comprising an automatic device for facilitating starting |
| CN1740587A (en) * | 2004-08-27 | 2006-03-01 | 谦淳有限公司 | Disc driver for automatic speed varying transmission mechanism |
| KR20130013028A (en) * | 2011-07-27 | 2013-02-06 | 권영웅 | Cvt applied centrifugal ball |
| TW201710615A (en) * | 2015-07-27 | 2017-03-16 | Bosch Gmbh Robert | Pneumatically adjustable continuously variable transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017205514A1 (en) | 2018-10-04 |
| EP3601846A1 (en) | 2020-02-05 |
| WO2018177688A1 (en) | 2018-10-04 |
| TW201842284A (en) | 2018-12-01 |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20231013 |
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