CN108799422A - A kind of automatically controlled two speed transmission - Google Patents
A kind of automatically controlled two speed transmission Download PDFInfo
- Publication number
- CN108799422A CN108799422A CN201810936270.1A CN201810936270A CN108799422A CN 108799422 A CN108799422 A CN 108799422A CN 201810936270 A CN201810936270 A CN 201810936270A CN 108799422 A CN108799422 A CN 108799422A
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- China
- Prior art keywords
- output
- gear
- output shaft
- pawl
- shaft
- Prior art date
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Classifications
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/10—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with one or more one-way clutches as an essential feature
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/12—Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H61/32—Electric motors actuators or related electrical 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
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3079—Shift rod assembly, e.g. supporting, assembly or manufacturing of shift rails or rods; Special details thereof
Abstract
The invention discloses a kind of automatically controlled two speed transmissions, including main shaft, transmission mechanism, output mechanism and gearshift, the output mechanism includes output shaft, the first output mechanism of first gear speed can be exported and the second output mechanism of second gear speed can be exported, the second gear speed is more than the first gear speed, first output mechanism and second output mechanism are mounted on the main shaft and are connected to the transmission mechanism and the output shaft, the gearshift is movably arranged in the guide groove, at least there is first position and the second position on its active path, in the first position, second output mechanism is detached with the output shaft, in the second position, second output mechanism is connected to the output shaft.The present invention can improve the power of battery-operated motor cycle etc., make it have speed changing function, can be travelled in various sections with best state.
Description
Technical field
The present invention relates to transmission technology fields, and in particular to a kind of automatically controlled two speed transmission.
Background technology
With the development of economy, social progress, energy conservation have become certainty and social consensus.Various equipment are more next
More towards save the energy, direction easy to use, saving the features such as space, safe and efficient, one-machine-multi-function is developed.Electric vehicle due to
Its energy-saving and environmental protection and increasingly favored by user.
As the battery-operated motor cycle or electric bicycle etc. in electric vehicle, there is important work in daily life
With.Existing battery-operated motor cycle does not have speed changing function, and power is poor, cannot achieve climbing function or climbing capacity very
It is low.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of automatically controlled two speed transmissions, for solving in the prior art
Battery-operated motor cycle etc. caused by not having speed changing function the problem of differential force.
For this purpose, according to an embodiment of the invention, which includes：
Main shaft, the main shaft are axially arranged with guide groove along it；
Transmission mechanism, the transmission mechanism are connected to motor and on the main shafts, described in motor drive
Transmission mechanism rotates；
Output mechanism, the output mechanism include output shaft, can export the first output mechanism and energy of first gear speed
The second output mechanism of second gear speed is enough exported, the second gear speed is more than the first gear speed, first output
Mechanism and second output mechanism are mounted on the main shaft and are connected to the transmission mechanism and the output shaft, by described
Transmission mechanism drives first output mechanism or second output mechanism to drive the output shaft rotation；And
Gearshift, the gearshift are movably arranged in the guide groove, at least have the on its active path
One position and the second position, in the first position, second output mechanism is detached with the output shaft, in the second
It sets, second output mechanism is connected to the output shaft.
As the further alternative of the automatically controlled two speed transmission, the main shaft includes solid-section and hollow section, institute
Motor is stated at the solid-section, the transmission mechanism, the output mechanism and the gearshift are mounted on the sky
At heart section, the hollow section is axially extending at the guide groove along its from its end.
As the further alternative of the automatically controlled two speed transmission, the transmission mechanism includes defeated with the motor
Driven gear component shaft connected driving gear and engaged with the driving gear.
As the further alternative of the automatically controlled two speed transmission, the driven gear component includes and the active
The passive master gear of gear engagement and the driven axle being connect with the passive master gear, the driven axle is parallel with the main shaft to be set
It sets, is equipped with the first passive pinion and the second passive pinion on the driven axle, it is the passive master gear, described passive
Axis, the first passive pinion and the second passive pinion rotate simultaneously.
As the further alternative of the automatically controlled two speed transmission, the passive master gear, the first passive pair
Gear and the second passive pinion are mounted on by spline on the driven axle.
As the further alternative of the automatically controlled two speed transmission, first output mechanism includes and described first
First output gear of passive pinion engagement and the first company being arranged between first output gear and the output shaft
Connected components, first connection component engage for realizing first output gear with the normal of the output shaft.
As the further alternative of the automatically controlled two speed transmission, second output mechanism includes and described second
Second output gear of passive pinion engagement and the second company being arranged between second output gear and the output shaft
Connected components, second connection component is for realizing second output gear and the separation of the output shaft and connect.
As the further alternative of the automatically controlled two speed transmission, second connection component include the second pawl,
Elastic component and shaft, the shaft are mounted on the output shaft, and second pawl is set in the shaft, the elasticity
Part is connected between second pawl and the output shaft, and the side of the output shaft towards second output gear is equipped with
Second pawl slot, second pawl are spindle rotationally arranged in second pawl slot, and second output gear is towards institute
The side for stating output shaft is equipped with the second pawl flange groove, and second pawl has and can be stretched under the action of the gearshift
The second flange for entering into the second pawl flange groove or being retracted in second pawl slot.
As the further alternative of the automatically controlled two speed transmission, the gearshift includes that shifting sleeve and shift are driven
Dynamic component, the shift are set between the main shaft and the output shaft, and the shift drive component is described for driving
Shifting sleeve is applied to second pawl along the main axle moving so that second pawl rotation.
As the further alternative of the automatically controlled two speed transmission, the shift drive component include shift push plate,
Shift mandril, gear arm and driving motor, the shift mandril are arranged in the guide groove, and the shift push plate is connected to institute
It states one end of shift mandril and across in the guiding, the gear arm is connected to the other end of the shift mandril, described
Gear arm is connected to the output shaft of the driving motor, and the driving motor drives the gear arm rotation so that the shift
Mandril pushes the shift push plate to be moved in the guide groove.
Beneficial effects of the present invention：
According to the automatically controlled two speed transmission in above example comprising main shaft, transmission mechanism, output mechanism and shift machine
Structure, wherein due to the setting of output shaft, the first output mechanism and the second output mechanism in output mechanism, simultaneously because gearshift
Setting, may make under the action of gearshift the second output mechanism with higher output speed can optionally with output
Axis is attached, and when the second output mechanism is detached with output shaft, output mechanism output is with first gear speed low-speed motion, when the
When two output mechanisms are connected with output shaft, output mechanism is with second gear speed high-speed motion, so that speed changer is provided with change
Fast function, in this way after being arranged the wheel of battery-operated motor cycle on output mechanism, allowing for wheel has better power, makes
Obtaining battery-operated motor cycle can be travelled with best state.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows a kind of structural schematic diagram of the automatically controlled two speed transmission provided according to embodiments of the present invention；
Fig. 2 shows a kind of automatically controlled two speed transmissions provided according to embodiments of the present invention to be rotated with second gear speed
Structural schematic diagram；
Fig. 3 show a kind of the first driving mechanism of the automatically controlled two speed transmission provided according to embodiments of the present invention with it is defeated
The connection diagram of shaft；
When Fig. 4 shows that a kind of automatically controlled two speed transmission provided according to embodiments of the present invention is rotated with second gear speed
The second driving mechanism and output shaft connection diagram；
Fig. 5 shows a kind of being rotated with first gear speed for the automatically controlled two speed transmission provided according to embodiments of the present invention
Structural schematic diagram；
When Fig. 6 shows that a kind of automatically controlled two speed transmission provided according to embodiments of the present invention is rotated with first gear speed
The second driving mechanism and output shaft connection diagram.
Main element symbol description：
100- main shafts；200- transmission mechanisms；300- output mechanisms；400- gearshifts；110- guide grooves；120- is solid
Section；130- hollow sections；210- driving gears；220- driven gear components；310- output shafts；The first output mechanisms of 320-；330-
Second output mechanism；410- shifting sleeves；420- shift push plates；430- shift mandrils；440- gear arms；450- driving motors；
460- shift switch；The passive master gears of 221-；222- driven axles；The first passive pinions of 223-；The second passive pinions of 224-；
The first pawl slots of 311-；The second pawl slots of 312-；The first output gears of 321-；The first pawls of 322-；323- elastic rings；331-
Two output gears；The second pawls of 332-；333- elastic components；334- shafts；3211- the first pawl flange grooves；3221- first is convex
Edge；3311- the second pawl flange grooves；The second flanges of 3321-.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be 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.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
Embodiment
Present embodiments provide a kind of automatically controlled two speed transmission.
- 2 are please referred to Fig.1, which includes main shaft 100, transmission mechanism 200, output mechanism 300 and shift
Mechanism 400.
Wherein, main shaft 100 is axially arranged with guide groove 110 along it.Transmission mechanism 200 is connected to motor and is mounted on main shaft
On 100, transmission mechanism 200 is driven to rotate by motor.Output mechanism 300 includes output shaft 310, can export first gear speed
First output mechanism 320 and the second output mechanism 330 that can export second gear speed, second gear speed are more than the first notch speed
Degree, the first output mechanism 320 and the second output mechanism 330 are mounted on main shaft 100 and are connected to transmission mechanism 200 and output shaft
310, drive the first output mechanism 320 or the second output mechanism 330 driving output shaft 310 to rotate by transmission mechanism 200.Shift machine
Structure 400 is movably arranged in guide groove 110, has first position and the second position on its active path, in first position, the
Two output mechanisms 330 are detached with output shaft 310, and in the second position, the second output mechanism 330 is connect with output shaft 310.
In this way, setting due to output shaft 310 in output mechanism 300, the first output mechanism 320 and the second output mechanism 330
It sets, simultaneously because the setting of gearshift 400, may make with higher output speed under the action of gearshift 400
Two output mechanisms 330 can be optionally attached with output shaft 310, when the second output mechanism 330 is detached with output shaft 310
When, output mechanism 300 is exported with the low-speed motion of first gear speed, when the second output mechanism 330 is connected with output shaft 310,
Output mechanism 300 is with second gear speed high-speed motion, so that speed changer is provided with speed changing function, in this way when by electric motorcycle
After the wheel of vehicle is arranged on output mechanism 300, allowing for wheel has better power so that battery-operated motor cycle can be with most
Good state traveling.
It should be noted that automatically controlled two speed transmission in embodiment of the present invention except it is described above be suitable for it is electronic
Except motorcycle, electric bicycle, electro-tricycle or electric four-wheel vehicle etc. can also be applied to.Offer one is provided
Kind speed changer, and the purposes of the non-limiting speed changer.
During the motion, motor drive transmission mechanism 200 rotate, and transmission mechanism 200 then drive output mechanism 300 into
Row rotation, output mechanism 300 is during rotation, since the intervention of gearshift 400 may make output mechanism 300 with difference
Speed output, in the embodiment shown in the present invention, above-mentioned different speed includes first gear speed and second gear speed.
It is understood that in some embodiments, output mechanism 300 can also include third output mechanism (in figure
It is not shown) or even the 4th output mechanism (not shown), and make speed changer that there is the other gearshift performance of more stages.
With reference to figure 2, in embodiments of the present invention, main shaft 100 includes solid-section 120 and hollow section 130, motor installation
At solid-section 120, transmission mechanism 200, output mechanism 300 and gearshift 400 are mounted at hollow section 130, hollow section 130
It is axially extending at guide groove 110 along its from its end.
Solid-section 120, which mainly serves for ensuring entire main shaft 100, has higher intensity, so as to the installation of motor etc..It is hollow
Section 130 is mainly then that the movement of gearshift 400 provides condition, so that gearshift 400 can be made with output mechanism 300
With, and output mechanism 300 is moved with first gear speed or second gear speed.
Referring to FIG. 1, in embodiments of the present invention, transmission mechanism 200 includes the active being connected with the output shaft of motor
Gear 210 and the driven gear component 220 engaged with driving gear 210.
At this point, motor is transferred to driven gear component by motion transmission to driving gear 210, using driving gear 210
220。
Further, driven gear component 220 include the passive master gear 221 engaged with driving gear 210 and with it is passive
The driven axle 222 that master gear 221 connects, driven axle 222 are arranged in parallel with main shaft 100, and it is passive that first is equipped on driven axle 222
Pinion 223 and the second passive pinion 224, passive master gear 221, driven axle 222, the first passive pinion 223 and second
Passive pinion 224 rotates simultaneously.
At this point, passive master gear 221 receives the movement come from the transmission of driving gear 210, and transfer this motion into passively
Axis 222, simultaneously because the first passive pinion 223 and the second passive pinion 224 are provided on driven axle 222, and it is passive
Master gear 221, driven axle 222, the first passive pinion 223 and the second passive pinion 224 rotate simultaneously, finally so that first
Passive pinion 223 rotates simultaneously with the second passive pinion 224.
In order to ensure passive master gear 221, driven axle 222, the first passive pinion 223 and the second passive pinion 224
While rotate, in certain specific embodiments, passive master gear 221, the first passive pinion 223 and second are passive secondary
Gear 224 can be mounted on by spline on driven axle 222.
After first passive pinion 223 and the rotation of the second passive pinion 224, so that it may to transmit motion to the first output
Mechanism 320 and the second output mechanism 330.
Specifically, referring to FIG. 1, the first output mechanism 320 include engaged with the first passive pinion 223 it is first defeated
The first connection component for going out gear 321 and being arranged between the first output gear 321 and output shaft 310, the first connection component are used
It is engaged with the normal of output shaft 310 in the first output gear 321 of realization.
The first passive pinion 223 transmits motion to the first output gear 321 being engaged with as a result, this is first defeated
Go out gear 321 and output shaft 310 is transmitted motion to by the first connection component so that output shaft 310 is rotated with first gear speed.
Referring to FIG. 3, the first connection component includes the first pawl 322 and elastic ring 323, the elastic ring 323 is around output
Axis 310 and be arranged, output shaft 310 towards the side of the first output gear 321 be equipped with the first pawl slot 311, the first pawl 322
It is arranged in first pawl slot 311, while the first spine is then equipped with towards the side of output shaft 310 in the first output gear 321
Pawl flange groove 3211, the first pawl 322 have the first flange 3221, first flange 3221 elastic ring 323 effect always
It extend into the first pawl flange groove 3211 of the first output gear 321 so that output shaft 310 and the first output gear 321 are often
Engagement.
Further, in order to ensure reliability that output shaft 310 is engaged with the first output gear 321, in output shaft 310
Multiple first pawls 322 circumferentially are evenly arranged with, such as in examples as shown in figure 3, there are four the first pawls 322 for setting.
Incorporated by reference to reference to figure 2 and Fig. 4-5, the second output mechanism 330 includes second engaged with the second passive pinion 224
Output gear 331 and the second connection component being arranged between the second output gear 331 and output shaft 310, the second connection component
For realizing the second output gear 331 and the separation of output shaft 310 and it connect.
The second passive pinion 224 transmits motion to the second output gear 331 being engaged with as a result, this is second defeated
Go out gear 331 and output shaft 310 is transmitted motion to by the second connection component so that output shaft 310 is rotated with second gear speed.
It is understood that when the second output gear 331 is set up with output shaft 310 and connect, also mean that at this time
First output gear 321 is exceeded, and the first output gear 321 can not drive output shaft 310 to rotate at this time, at this time output shaft 310
Rotating speed then determined by the second output gear 331.
Second connection component includes the second pawl 332, elastic component 333 and shaft 334, and shaft 334 is mounted on output shaft 310
On, the second pawl 332 is set in shaft 334, and elastic component 333 is connected between the second pawl 332 and output shaft 310, output
Axis 310 is equipped with the second pawl slot 312 towards the side of the second output gear 331, and the second pawl 332 is spindle rotationally arranged in second
In pawl slot 312, the second output gear 331 is equipped with the second pawl flange groove 3311, the second pawl towards the side of output shaft 310
332 have the second pawl slot can be extend into the second pawl flange groove 3311 or be retracted under the action of gearshift 400
The second flange 3321 in 312.
The rotation in the second pawl slot 312 of the second pawl 332 is just may make under the action of gearshift 400 as a result,
During rotation, as shown in figures 2 or 4, the second flange 3321 of the second pawl 332 can enter the second pawl flange groove
Make that the second output gear 331 is connected with output shaft 310 in 3311, or as shown in Figure 5 or Figure 6, the of the second pawl 332
Two flanges 3321 are withdrawn out of second pawl flange groove 3311 and so that the second output gear 331 are detached with output shaft 310.
In certain specific embodiments, adjustable spring etc. may be selected in elastic component 333.
Incorporated by reference to reference to figure 2 and Fig. 4-5, in embodiments of the present invention, gearshift 400 includes shifting sleeve 410 and changes
Drive component is kept off, shifting sleeve 410 is arranged between main shaft 100 and output shaft 310, and shift drive component is for driving shifting sleeve
410 move along main shaft 100 and are applied to the second pawl 332 so that the second pawl 332 rotates.
Further, shift drive component includes shift push plate 420, shift mandril 430, gear arm 440 and driving motor
450, shift mandril 430 is arranged in guide groove 110, and shift push plate 420 is connected to one end of shift mandril 430 and across leading
Into slot 110, gear arm 440 is connected to the other end of shift mandril 430, and gear arm 440 is connected to the output of driving motor 450
Axis, driving motor 450 drive gear arm 440 to rotate so that shift mandril 430 pushes shift push plate 420 to be moved in guide groove 110
It is dynamic.
Specifically, in shifting sleeve 410 to during being moved close to the second output gear 331, shifting sleeve 410 can be made
Use the second pawl 332 so that the second pawl 332 is rotated around shaft 334, so that the second flange 3321 is from the second pawl
It is withdrawn in flange groove 3311, the second output gear 331 is not connect with output shaft 310 at this time, and output shaft 310 is turned with first gear speed
It is dynamic.In shifting sleeve 410 to during being moved far from the second output gear 331, shifting sleeve 410 can rotate backward so that second
Flange 3321 is extend into the second pawl flange groove 3311, and the second output gear 331 is established with output shaft 310 at this time connects, defeated
Shaft 310 is rotated with second gear speed.
So far, gear arm 440 just may make to rotate by starting or closing driving motor 450, to finally so that changing
Interstage sleeve 410 moves, and is applied to the second pawl 332.
In order to facilitate the adjusting control of user, shift drive component can also include shift switch 460, the shift switch
460 are connected with above-mentioned driving motor 450, which can be arranged in the place that user is conveniently operated, such as electronic rub
On the handle of motorcycle, the control to shifting sleeve 410 can be realized by controlling shift switch 460 in this way, namely realize to becoming
The speed Control of fast device.
In certain specific embodiments, stepper motor or servo motor etc. may be used in above-mentioned driving motor 450,
To be accurately controlled to the movement of shifting sleeve 410.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of automatically controlled two speed transmission, which is characterized in that including：
Main shaft, the main shaft are axially arranged with guide groove along it；
Transmission mechanism, the transmission mechanism are connected to motor and on the main shafts, and the transmission is driven by the motor
Mechanism rotates；
Output mechanism, the output mechanism includes output shaft, can export the first output mechanism of first gear speed and can be defeated
Go out the second output mechanism of second gear speed, the second gear speed is more than the first gear speed, first output mechanism
And second output mechanism is mounted on the main shaft and is connected to the transmission mechanism and the output shaft, by the transmission
Mechanism drives first output mechanism or second output mechanism to drive the output shaft rotation；And
Gearshift, the gearshift are movably arranged in the guide groove, at least have first on its active path
It sets and the second position, in the first position, second output mechanism is detached with the output shaft, in the second position,
Second output mechanism is connected to the output shaft.
2. automatically controlled two speed transmission as described in claim 1, which is characterized in that the main shaft includes solid-section and hollow section,
The motor is mounted at the solid-section, and the transmission mechanism, the output mechanism and the gearshift are mounted on described
At hollow section, the hollow section is axially extending at the guide groove along its from its end.
3. automatically controlled two speed transmission as described in claim 1, which is characterized in that the transmission mechanism includes and the motor
Driven gear component output shaft connected driving gear and engaged with the driving gear.
4. automatically controlled two speed transmission as claimed in claim 3, which is characterized in that the driven gear component includes and the master
The passive master gear of moving gear engagement and the driven axle being connect with the passive master gear, the driven axle are parallel with the main shaft
Setting, is equipped with the first passive pinion and the second passive pinion on the driven axle, the passive master gear, described passive
Axis, the first passive pinion and the second passive pinion rotate simultaneously.
5. automatically controlled two speed transmission as claimed in claim 4, which is characterized in that the passive master gear, described first are passively
Pinion and the second passive pinion are mounted on by spline on the driven axle.
6. automatically controlled two speed transmission as claimed in claim 4, which is characterized in that first output mechanism includes and described the
One passive pinion the first output gear engaged and be arranged between first output gear and the output shaft first
Connection component, first connection component engage for realizing first output gear with the normal of the output shaft.
7. automatically controlled two speed transmission as claimed in claim 6, which is characterized in that second output mechanism includes and described the
Two passive pinion the second output gears engaged and be arranged between second output gear and the output shaft second
Connection component, second connection component is for realizing second output gear and the separation of the output shaft and connect.
8. automatically controlled two speed transmission as claimed in claim 7, which is characterized in that second connection component includes the second spine
Pawl, elastic component and shaft, the shaft are mounted on the output shaft, and second pawl is set in the shaft, described
Elastic component is connected between second pawl and the output shaft, and the output shaft is towards the side of second output gear
Equipped with the second pawl slot, second pawl is spindle rotationally arranged in second pawl slot, second output gear court
It is equipped with the second pawl flange groove to the side of the output shaft, second pawl has the function of can be in the gearshift
Under extend into the second flange in the second pawl flange groove or being retracted in second pawl slot.
9. automatically controlled two speed transmission as claimed in claim 8, which is characterized in that the gearshift includes shifting sleeve and shift
Drive component, the shift are set between the main shaft and the output shaft, and the shift drive component is for driving institute
It states shifting sleeve and is applied to second pawl along the main axle moving so that second pawl rotation.
10. automatically controlled two speed transmission as claimed in claim 9, which is characterized in that the shift drive component includes that shift pushes away
Plate, shift mandril, gear arm and driving motor, the shift mandril are arranged in the guide groove, the shift push plate connection
In one end of the shift mandril and across in the guiding, the gear arm is connected to the other end of the shift mandril,
The gear arm is connected to the output shaft of the driving motor, and the driving motor drives the gear arm rotation so that described
Shift mandril pushes the shift push plate to be moved in the guide groove.
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| CN201810936270.1A CN108799422A (en) | 2018-08-16 | 2018-08-16 | A kind of automatically controlled two speed transmission |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810936270.1A CN108799422A (en) | 2018-08-16 | 2018-08-16 | A kind of automatically controlled two speed transmission |
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| CN108799422A true CN108799422A (en) | 2018-11-13 |
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| CN201810936270.1A Pending CN108799422A (en) | 2018-08-16 | 2018-08-16 | A kind of automatically controlled two speed transmission |
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