CN110345203A - The gearshift and gearbox of gearbox - Google Patents
The gearshift and gearbox of gearbox Download PDFInfo
- Publication number
- CN110345203A CN110345203A CN201910579798.2A CN201910579798A CN110345203A CN 110345203 A CN110345203 A CN 110345203A CN 201910579798 A CN201910579798 A CN 201910579798A CN 110345203 A CN110345203 A CN 110345203A
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- China
- Prior art keywords
- gear
- shift
- shift tooth
- tooth
- gears
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/001—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion convertible for varying the gear-ratio, e.g. for selecting one of several shafts as the input shaft
-
- 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
- F16H3/087—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 characterised by the disposition of the gears
-
- 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
- F16H2003/0811—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 using unsynchronised clutches
-
- 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
- F16H2003/0818—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 comprising means for power-shifting
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0065—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising nine forward speeds
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
This application discloses a kind of gearshift of gearbox and gearboxes, belong to field of mechanical technique.The gearshift includes: the free gear and shift tooth device of coaxial arrangement；The shift tooth being meshed and shift tooth fixing groove are formed between free gear and shift tooth device；At least one smooth lug boss is formed in shift tooth fixing groove.In technical solution provided by the embodiments of the present application, by means of the smooth lug boss between shift tooth device and free gear, so that gearbox is during switching to target gear from original gear, the shift tooth device and the free gear of the original gear of original gear can be automatically separated, it is not necessary that the shift tooth device of the original gear is separated with the free gear of the original gear by associated components, simplify the hardware configuration of gearshift, reduces hardware cost.
Description
Technical field
The invention relates to field of mechanical technique, in particular to the gearshift and gearbox of a kind of gearbox.
Background technique
Gearbox is very important component on automobile, can change transmission ratio, expands driving wheel torque and revolving speed
Variation range to adapt to the driving conditions often changed, while making transmitter in the work of advantageous (power is higher and oil consumption is lower)
It works under condition.
Gearbox is usually provided with multiple and different gears, to export different transmission ratios.Gearbox includes shift machine
Structure realizes the switching of different gears by the gearshift.
Summary of the invention
The embodiment of the present application provides the gearshift and gearbox of a kind of gearbox.The technical solution is as follows:
On the one hand, the embodiment of the present application provides a kind of gearshift of gearbox, and the gearshift includes: coaxial arrangement
Free gear and shift tooth device；
The shift tooth being meshed and shift tooth fixing groove are formed between the free gear and the shift tooth device；
At least one smooth lug boss is formed in the shift tooth fixing groove.
Optionally, the shift tooth fixing groove is annular in shape, and in the shift tooth fixing groove there are at least two with it is described
It shifts gears the compatible fixed tooth of tooth, is formed with the smooth lug boss between the two neighboring fixed tooth.
Optionally, the smooth boss is in the middle position of the two neighboring fixed tooth.
Optionally, the shift tooth device includes the shift tooth pedestal being set on axis, and with the shift tooth pedestal
The shift tooth connected by spline；
The side of the free gear is formed with shift tooth fixing groove corresponding with the shift tooth.
Optionally, the shift tooth device includes the shift tooth pedestal being set on axis, and with the shift tooth pedestal
The shift tooth fixing groove connected by spline；
The side of the free gear is formed with shift tooth corresponding with the shift tooth fixing groove.
Optionally, the first limiting slot, the shift tooth or the shift tooth fixing groove are formed on the shift tooth pedestal
On be formed with the second limiting slot corresponding with first limiting slot；
Spring element and the steel ball at the top of the spring element are provided in first limiting slot；
In the case where the free gear and the shift tooth device are in discrete state, a part of position of the steel ball
In first limiting slot, and another part is located in second limiting slot.
Optionally, the quantity of first limiting slot is multiple, and the multiple first limiting slot is in the shift tooth base
It is uniformly distributed on seat around axis.
Optionally, the height of the smooth lug boss is identical as the shift depth of groove of tooth fixing groove.
Optionally, the gearshift further includes electromagnetism shift fork, and the electromagnetism shift fork includes: shell, is set to the shell
The first fixed block, the second fixed block and movable block in body, and the shift fork part being connected with the movable block；
The position of first fixed block and second fixed block is fixed；
The movable block is between first fixed block and second fixed block, and the movable block and described the
Between one fixed block and second fixed block, pass through electromagnetic coupling respectively；
One end of the shift fork part is connect with the movable block, and the other end of the shift fork part and the shift tooth device connect
It connects.
On the other hand, the embodiment of the present application provides a kind of gearbox, and the gearbox includes shift described in above-mentioned aspect
Mechanism.
Technical solution provided by the embodiments of the present application can be brought the following benefits:
In technical solution provided by the embodiments of the present application, by means of the smooth protrusion between shift tooth device and free gear
Portion, so that gearbox, during switching to target gear from original gear, the shift tooth device of original gear is original with this
The free gear of gear can be automatically separated, without passing through associated components for the shift tooth device of the original gear and the original gear
The free gear of position is separated, and the hardware configuration of gearshift is simplified, and reduces hardware cost.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the schematic diagram of the gearshift for the gearbox that the application one embodiment provides；
Fig. 2 is the schematic diagram for the shift tooth limiting slot that the application one embodiment provides；
Fig. 3 is the schematic diagram of the shift tooth that the application one embodiment provides and tooth limiting slot of shifting gears；
Fig. 4 is the schematic diagram of the gearshift for the gearbox that another embodiment of the application provides；
Fig. 5 is the schematic diagram for the electromagnetism shift fork that the application one embodiment provides；
Fig. 6 is the schematic diagram for the electromagnetism shift fork that another embodiment of the application provides；
Fig. 7 is the schematic diagram for the electromagnetism shift fork that another embodiment of the application provides；
Fig. 8 is the structural schematic diagram for the gearbox that the application one embodiment provides.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application embodiment party
Formula is described in further detail.
Referring to FIG. 1, it illustrates the schematic diagrames of the gearshift of the gearbox of the application one embodiment offer.This is changed
Retaining device may include: the free gear 18 and shift tooth device 19 of coaxial arrangement.
Free gear 18 and shift tooth device 19 are arranged on same axis 30.Free gear 18 refers between axis 30
The gear of flexible connection, the relative position between free gear 18 and axis 30 are not fixed, and free gear 18 can be where it
Axis 30 rotate.Shift tooth device 19 and axis 30 between be flexibly connected, shift tooth device 19 can along axis 30 direction (namely figure
The direction A shown in 1) it is mobile, but shift gears tooth device 19 can not the axis 30 where it rotate.Optionally, shift tooth device
It is connected between 19 and axis 30 by spline.
The shift tooth 20 being meshed and shift tooth fixing groove 21 are formed between free gear 18 and shift tooth device 19.It is logical
Position of the shift tooth device 19 on axis 30 is overregulated, enables to engage between free gear 18 and shift tooth device 19,
That is shift tooth 20 and shift tooth fixing groove 21 engages；Or to separate between free gear 18 and shift tooth device 19, namely
Tooth 20 and the shift tooth fixing groove 21 of shifting gears separate.
In conjunction with referring to figs. 2 and 3, at least one smooth lug boss 212 is formed in tooth fixing groove 21 of shifting gears.
In the embodiment of the present application, shift tooth fixing groove 21 is annular in shape, and there are at least two in tooth fixing groove 21 of shifting gears
With the compatible fixed tooth 211 of shift tooth 20, smooth lug boss 212 is formed between two neighboring fixed tooth 211.
Optionally, smooth lug boss 212 is located at the middle position of two neighboring fixed tooth 211.
Optionally, the height of smooth lug boss 212 is identical as the shift depth of groove of tooth fixing groove 21.
In the first possible implementation, as shown in Figure 1, shift tooth device 19 includes the shift being set on axis 30
Tooth pedestal 191, and the shift tooth 20 being connect with shift tooth pedestal 191 by spline；The side of free gear 18, be formed with
The shift corresponding shift tooth fixing groove 21 of tooth 20.
In the second possible implementation, shift tooth device 19 includes the shift tooth pedestal 191 being set on axis 30,
And the shift tooth fixing groove 21 being connect with shift tooth pedestal 191 by spline；The side of free gear 18 is formed with and shifts gears
The corresponding shift tooth 20 of tooth fixing groove 21.
Shift tooth pedestal 191 can be integrally formed on axis 30, can also be fixed on axis 30.
In the exemplary embodiment, as shown in Figure 1, being formed with the first limiting slot on shift tooth pedestal 191, shift gears tooth 20 or
The second limiting slot corresponding with the first limiting slot is formed in shift tooth fixing groove 21；Be provided in first limiting slot spring element with
And the steel ball at the top of spring element；In the case where free gear 18 and shift tooth device 19 are in discrete state, steel ball
A part is located in the first limiting slot, and another part is located in the second limiting slot.Optionally, spring element is spring or other
Elastomeric element.In the embodiment of the present application, the quantity of the first limiting slot is not construed as limiting, optionally, the quantity of the first limiting slot
To be multiple, multiple first limiting slot is uniformly distributed on shift tooth pedestal 191 around axis 30, the quantity of the second limiting slot and first
The quantity of limiting slot is identical.
Corresponding to the first above-mentioned possible implementation, due to passing through flower between shift tooth pedestal 191 and shift tooth 20
Key connection, therefore the second limiting slot corresponding with the first limiting slot is formed on tooth 20 of shifting gears.It may corresponding to above-mentioned second
Implementation, due to shift tooth pedestal 191 and shift tooth fixing groove 21 between by spline connect, shift tooth fixing groove
The second limiting slot corresponding with the first limiting slot is formed on 21.
By the above-mentioned means, being enabled in the case where tooth device 19 of shifting gears is in discrete state with free gear 18
The position shifted gears between tooth 20 or shift tooth fixing groove 21 and tooth pedestal 191 of shifting gears is more stable.
Optionally, as shown in figure 4, gearshift further includes electromagnetism shift fork 24, which includes: shell 241, if
The first fixed block 242, the second fixed block 243 and the movable block 244 being placed in shell 241, and what is be connected with movable block 244 dial
Fork 245.The position of first fixed block 242 and the second fixed block 243 is fixed.Movable block 244 is located at the first fixed block 242 and
Between two fixed blocks 243, and between movable block 244 and the first fixed block 242 and the second fixed block 243, pass through electromagnetism coupling respectively
It closes.One end of shift fork part 245 is connect with movable block 244, and the other end is connect with shift tooth device 19.
In one example, as shown in figure 5, the first fixed block 242 and the second fixed block 243 are magnetic identical magnet,
Movable block 244 is electromagnet.In another example, as shown in fig. 6, the first fixed block 242 and the second fixed block 243 are electromagnetism
Iron, movable block 244 are magnetic metal material.Wherein, magnetic metal material be refer to by magnet attract material, as iron, nickel,
Cobalt etc..In another example, as shown in fig. 7, the first fixed block 242 and the second fixed block 243 are electromagnet, movable block 244
It also is electromagnet.
In the embodiment of the present application, it drives shift fork part 245 mobile by Electromagnetic Control, and then is driven by shift fork part 245
Tooth device 19 of shifting gears is mobile, can be realized efficient shift control.
Optionally, between movable block 244 and the first fixed block 242 and the second fixed block 243, it is respectively arranged with spring element,
Such as spring.In this way, can pass through when there is no magnetic force between movable block 244 and the first fixed block 242 and the second fixed block 243
The spring element rapidly controls movable block 244 and is resetted.
Optionally, postive stop baffle is provided between movable block 244 and the side of shell 241；Movable block 244 and postive stop baffle
Opposite is formed with lug boss on one side, and concave part compatible with lug boss is formed on postive stop baffle.In this way, in movable block
244 under reset state, and the boss of movable block 244 is in concave part, so that the position of movable block 244 is more firm.
In conclusion in technical solution provided by the embodiments of the present application, by means of between shift tooth device and free gear
Smooth lug boss so that gearbox is during switching to target gear from original gear, the shift tooth of original gear is filled
Setting can be automatically separated with the free gear of the original gear, without passing through associated components for the shift tooth device of the original gear
It is separated with the free gear of the original gear, simplifies the hardware configuration of gearshift, reduce hardware cost.
One exemplary embodiment of the application additionally provides a kind of gearbox, which includes changing for foregoing embodiments offer
Retaining device.The gearbox can be any types such as manual transmission, automatic gear-box, double clutch gearboxes, and the application is real
It applies example and this is not construed as limiting.
Referring to FIG. 8, the structural schematic diagram of the gearbox 1 provided it illustrates the application one embodiment.The gearbox 1
It may include: outer clutch 11, interior clutch 12, outer input shaft 13, interior input shaft 14 and output shaft 15.
Gearbox 1 provided by the embodiments of the present application is double clutch gearboxes, the gearbox 1 include outer clutch 11 and it is interior from
Clutch 12.In the embodiment of the present application, the type of clutch is not construed as limiting, for example, its can be hydraulic clutch, electromagnetism from
Clutch etc..
Outer input shaft 13 and interior input shaft 14 are coaxially arranged.As shown in figure 8, outer input shaft 13 is socketed in interior input shaft 14
The outside of one end.
Outer clutch 11 is connect with interior input shaft 14, and interior clutch 12 is connect with outer input shaft 13.Outer clutch 11 is used for
Power is provided to interior input shaft 14, interior clutch 12 is used to provide power to outer input shaft 13.
Outer input shaft 13 and interior input shaft 14 are equipped with the input gear of various gears, and output shaft 15 is equipped with and input gear
The output gear for the various gears being meshed.In the embodiment of the present application, gearbox 1 includes multiple (at least two) gears.In Fig. 8
In, it including 1 to 9 gear and is reversed gear with gearbox 1,10 gears are schematically illustrated in total.Input shaft (including outer input shaft
13 and interior input shaft 14) on gear be known as input gear, the gear on output shaft 15 is known as output gear.Each gear packet
Containing an input gear and an output gear.For 1 to 9 gear, input gear and output gear are directly engaged；For reversing gear,
Input gear and output gear engage indirectly, and there are one reverse gears among the two.
In the embodiment of the present application, as shown in figure 8, interior input shaft 14 realizes odd number gear namely 1 gear, 3 gears, 5 gears, 7 gears
With 9 gears；Outer input shaft 13 realizes even number gear and reverses gear namely 2 gears, 4 gears, 6 gears, 8 gears and R gear (reversing gear).
In the embodiment of the present application, input gear includes that fixed gear and free gear two types, output gear also wrap
Include fixed gear and free gear two types.In fig. 8, fixed gear is shown with label 17, and free gear is shown with label 18
Out.Free gear 18 is correspondingly arranged on shift tooth device 19.Fixed gear 17, which refers to, to be formed directly on axis or between axis
It is the gear being fixedly connected, the relative position between fixed gear 17 and axis is fixed.It is living that free gear 18, which refers between axis,
The gear of dynamic connection, the relative position between free gear 18 and axis are not fixed, and free gear 18 can axis where it
Rotation.
In the embodiment of the present application, as shown in figure 8, the gearshift of gearbox 1 includes free gear 18 and shift tooth dress
Set 19.The shift tooth 20 being meshed and shift tooth fixing groove 21, shift are formed between free gear 18 and shift tooth device 19
At least one smooth lug boss is formed in tooth fixing groove 21.Introduction explanation in relation to the gearshift can be found in be implemented above
Example, the present embodiment repeat no more this.
In the first operative state, outer clutch 11 drives interior input shaft 14 to rotate, and interior input shaft 14 drives interior input shaft
The input gear of the first gear on 14 rotates, and the input gear of the first gear drives the output of the first gear on output shaft 15
The output gear of gear rotation, the first gear drives output shaft 15 to rotate.
In a second operative state, interior clutch 12 drives outer input shaft 13 to rotate, and outer input shaft 13 drives outer input shaft
The input gear of the second gear on 13 rotates, and the input gear of the second gear drives the output of the second gear on output shaft 15
The output gear of gear rotation, the second gear drives output shaft 15 to rotate.
By taking the work of gearbox 1 is in 1 gear as an example, gearbox 1 is in the first working condition at this time, and outer clutch 11 drives interior defeated
Enter the rotation of axis 14, interior input shaft 14 drives 1 on the interior input shaft 14 input gear rotation kept off, and the input gear of 1 gear drives defeated
The output gear rotation of 1 gear on shaft 15, the output gear of 1 gear drive output shaft 15 to rotate.
By taking the work of gearbox 1 is in 2 gears as an example, gearbox 1 is in the second working condition at this time, and interior clutch 12 drives outer defeated
Enter the rotation of axis 13, outer input shaft 13 drives 2 on the outer input shaft 13 input gear rotations kept off, and the input gear of 2 gears drives defeated
The output gear rotation of 2 gears on shaft 15, the output gear of 2 gears drive output shaft 15 to rotate.
During switching to the second working condition from the first working condition, the shift tooth device 19 of the second gear and
The free gear 18 of two gears engages, and interior clutch 12 combines, and after combining to interior clutch 12, outer clutch 11 is separated.
During switching to the first working condition from the second working condition, the shift tooth device 19 of the first gear and
The free gear 18 of one gear engages, and outer clutch 11 combines, and after combining to outer clutch 11, interior clutch 12 is separated.
In the following, explanation is introduced to gear handoff procedure for rising to the upshift process of 2 gears from 1 gear:
When gearbox 1 is in 1 gear working condition, outer clutch 11 is in bonding state, and interior clutch 12 is in separation
State.As shown in figure 8, being arranged in beside the output gear of 1 gear due to the shift tooth device 19 of 1 gear, the shift tooth of 1 gear
The output gear that device 19 and 1 is kept off engages.Outer clutch 11 drives interior input shaft 14 to rotate, and interior input shaft 14 drives interior input shaft
The input gear rotation of 1 gear on 14, the input gear of 1 gear drive the output gear rotation of 1 gear on output shaft 15,1 gear
Output gear drives 15 turns of output shaft due to engaging with the shift tooth device 19 of 1 gear, by the 1 shift tooth device 19 kept off
It is dynamic.
During gearbox 1 switches to 2 gear from 1 gear, as shown in figure 8, the setting of shift tooth device 19 due to 2 gears exists
Beside the output gear of 2 gears, therefore the output gear that the shift tooth device 19 and 2 of 2 gear is kept off engages, at the same time or 2
After the output gear that the shift tooth device 19 and 2 of gear is kept off engages, the output gear that the shift tooth device 19 and 1 of 1 gear is kept off is separated；
Interior clutch 12 is switched to bonding state by discrete state, and after combining to interior clutch 12, outer clutch 11 is from bonding state
It is switched to discrete state, gearbox 1 switches to 2 gear working conditions.
When gearbox 1 is in 2 gear working condition, interior clutch 12 is in bonding state, and outer clutch 11 is in separation
State.Interior clutch 12 drives outer input shaft 13 to rotate, and outer input shaft 13 drives 2 input gears kept off on outer input shaft 13 to turn
Dynamic, the input gears of 2 gears drive the output gears rotation of 2 gears on output shafts 15, and the output gears of 2 gears with 2 gears due to changing
It keeps off tooth device 19 to engage, therefore drives output shaft 15 to rotate by the 2 shift tooth device 19 kept off.
In the embodiment of the present application, during gearbox 1 switches to 2 gear from 1 gear, the shift tooth device 19 and 1 of 1 gear
The output gear of gear can be automatically separated.Specifically, interior after interior clutch 12 is switched to bonding state by discrete state
Clutch 12 will drive outer input shaft 13 to rotate, and outer input shaft 13 is further driven to the rotation of output shaft 15, due to 1 gear at this time
Shift gears tooth device 19 and 1 keep off output gear revolving speed it is no longer identical, therefore 1 gear shift tooth 20 with shift gears tooth fixing groove 21 it
Between can generate relative motion, due to shift tooth fixing groove 21 in there are smooth lug bosses 212, by means of the smooth lug boss 212
Shift tooth 20 can be opened, so that the shift tooth 20 of 1 gear is automatically separated with shift tooth fixing groove 21, namely makes the shift of 1 gear
The output gear that tooth device 19 and 1 is kept off can be automatically separated.Exactly this design, so that in the process for switching to 2 gears from 1 gear
In, first interior clutch 12 can be combined to separate outer clutch 11 again, realize and shift gears without time delay Non-intermittent.
In the following, explanation is introduced to gear handoff procedure for rising to the upshift process of 3 gears from 2 gears:
When gearbox 1 is in 2 gear working condition, interior clutch 12 is in bonding state, and outer clutch 11 is in separation
State.As shown in figure 8, being arranged in beside the output gear of 2 gears due to the shift tooth device 19 of 2 gears, the shift tooth of 2 gear
The output gear that device 19 and 2 is kept off engages.Interior clutch 12 drives outer input shaft 13 to rotate, and outer input shaft 13 drives outer input shaft
The input gear rotation of 2 gears on 13, the input gear of 2 gears drive the output gear rotation of 2 gears on output shaft 15,2 gears
Output gear drives 15 turns of output shaft due to engaging with the shift tooth device 19 of 2 gears, by the 2 shift tooth device 19 kept off
It is dynamic.
During gearbox 1 switches to 3 gear from 2 gears, as shown in figure 8, the setting of shift tooth device 19 due to 3 gears exists
Beside the output gear of 3 gears, therefore the output gear that the shift tooth device 19 and 3 of 3 gear is kept off engages, at the same time or 3
After the output gear that the shift tooth device 19 and 3 of gear is kept off engages, the output gear that the shift tooth device 19 and 2 of 2 gears is kept off is separated；
Outer clutch 11 is switched to bonding state by discrete state, and after combining to outer clutch 11, interior clutch 12 is from bonding state
It is switched to discrete state, gearbox 1 switches to 3 gear working conditions.
When gearbox 1 is in 3 gear working condition, outer clutch 11 is in bonding state, and interior clutch 12 is in separation
State.Outer clutch 11 drives interior input shaft 14 to rotate, and interior input shaft 14 drives 3 input gears kept off on interior input shaft 14 to turn
Dynamic, the input gears of 3 gears drive the output gears rotation of 3 gears on output shafts 15, and the output gears of 3 gears with 3 gears due to changing
It keeps off tooth device 19 to engage, therefore drives output shaft 15 to rotate by the 3 shift tooth device 19 kept off.
In the embodiment of the present application, during gearbox 1 switches to 3 gear from 2 gears, the shift tooth device 19 and 2 of 2 gears
The output gear of gear can be automatically separated.Specifically, after outer clutch 11 is switched to bonding state by discrete state, outside
Clutch 11 will drive interior input shaft 14 to rotate, and interior input shaft 14 is further driven to the rotation of output shaft 15, due to 2 gears at this time
Shift gears tooth device 19 and 2 keep off output gear revolving speed it is no longer identical, therefore 2 gear shift teeth 20 with shift gears tooth fixing groove 21 it
Between can generate relative motion, due to shift tooth fixing groove 21 in there are smooth lug bosses 212, by means of the smooth lug boss 212
Shift tooth 20 can be opened, so that the shift tooth 20 of 2 gears is automatically separated with shift tooth fixing groove 21, namely makes the shift of 2 gears
The output gear that tooth device 19 and 2 is kept off can be automatically separated.Exactly this design, so that in the process for switching to 3 gears from 2 gears
In, first outer clutch 11 can be combined to separate interior clutch 12 again, realize and shift gears without time delay Non-intermittent.
In the following, explanation is introduced to gear handoff procedure for being down to the downshift process of 4 gears from 9 gears:
When gearbox 1 is in 9 gear working condition, outer clutch 11 is in bonding state, and interior clutch 12 is in separation
State.As shown in figure 8, being arranged in beside the input gear of 9 gears due to the shift tooth device 19 of 9 gears, the shift tooth of 9 gear
The input gear that device 19 and 9 is kept off engages.Outer clutch 11 drives interior input shaft 14 to rotate, and interior input shaft 14 drives interior input shaft
The shift tooth device 19 of 9 gears on 14 rotates, and the shift tooth device 19 of 9 gears drives the input gear rotation of 9 gears, the input of 9 gears
Gear drives the output gear rotation of 9 gears, and the output gear of 9 gears drives output shaft 15 to rotate.
During gearbox 1 switches to 4 gear from 9 gears, as shown in figure 8, the setting of shift tooth device 19 due to 4 gears exists
Beside the output gear of 4 gears, therefore the output gear that the shift tooth device 19 and 4 of 4 gear is kept off engages, at the same time or 4
After the output gear that the shift tooth device 19 and 4 of gear is kept off engages, the input gear that the shift tooth device 19 and 9 of 9 gears is kept off is separated；
Interior clutch 12 is switched to bonding state by discrete state, and after combining to interior clutch 12, outer clutch 11 is from bonding state
It is switched to discrete state, gearbox 1 switches to 4 gear working conditions.
When gearbox 1 is in 4 gear working condition, interior clutch 12 is in bonding state, and outer clutch 11 is in separation
State.Interior clutch 12 drives outer input shaft 13 to rotate, and outer input shaft 13 drives 4 input gears kept off on outer input shaft 13 to turn
Dynamic, the input gears of 4 gears drive the output gears rotation of 4 gears on output shafts 15, and the output gears of 4 gears with 4 gears due to changing
It keeps off tooth device 19 to engage, therefore drives output shaft 15 to rotate by the 4 shift tooth device 19 kept off.
In the embodiment of the present application, during gearbox 1 switches to 4 gear from 9 gears, the shift tooth device 19 and 9 of 9 gears
The input gear of gear can be automatically separated.Specifically, interior after interior clutch 12 is switched to bonding state by discrete state
Clutch 12 will drive outer input shaft 13 to rotate, and outer input shaft 13 is further driven to the rotation of output shaft 15, due to 9 gears at this time
Shift gears tooth device 19 and 9 keep off input gear revolving speed it is no longer identical, therefore 9 gear shift teeth 20 with shift gears tooth fixing groove 21 it
Between can generate relative motion, due to shift tooth fixing groove 21 in there are smooth lug bosses 212, by means of the smooth lug boss 212
Shift tooth 20 can be opened, so that the shift tooth 20 of 9 gears is automatically separated with shift tooth fixing groove 21, namely makes the shift of 9 gears
The input gear that tooth device 19 and 9 is kept off can be automatically separated.Exactly this design, so that in the process for switching to 4 gears from 9 gears
In, first interior clutch 12 can be combined to separate outer clutch 11 again, realize and shift gears without time delay Non-intermittent.
In the following, explanation is introduced to gear handoff procedure for being down to the downshift process of 3 gears from 4 gears:
When gearbox 1 is in 4 gear working condition, interior clutch 12 is in bonding state, and outer clutch 11 is in separation
State.As shown in figure 8, being arranged in beside the output gear of 4 gears due to the shift tooth device 19 of 4 gears, the shift tooth of 4 gear
The output gear that device 19 and 4 is kept off engages.Interior clutch 12 drives outer input shaft 13 to rotate, and outer input shaft 13 drives outer input shaft
The input gear rotation of 4 gears on 13, the input gear of 4 gears drive the output gear rotation of 4 gears on output shaft 15,4 gears
Output gear drives 15 turns of output shaft due to engaging with the shift tooth device 19 of 4 gears, by the 4 shift tooth device 19 kept off
It is dynamic.
During gearbox 1 switches to 3 gear from 4 gears, as shown in figure 8, the setting of shift tooth device 19 due to 3 gears exists
Beside the output gear of 3 gears, therefore the output gear that the shift tooth device 19 and 3 of 3 gear is kept off engages, at the same time or 3
After the output gear that the shift tooth device 19 and 3 of gear is kept off engages, the output gear that the shift tooth device 19 and 4 of 4 gears is kept off is separated；
Outer clutch 11 is switched to bonding state by discrete state, and after combining to outer clutch 11, interior clutch 12 is from bonding state
It is switched to discrete state, gearbox 1 switches to 3 gear working conditions.
When gearbox 1 is in 3 gear working condition, outer clutch 11 is in bonding state, and interior clutch 12 is in separation
State.Outer clutch 11 drives interior input shaft 14 to rotate, and interior input shaft 14 drives 3 input gears kept off on interior input shaft 14 to turn
Dynamic, the input gears of 3 gears drive the output gears rotation of 3 gears on output shafts 15, and the output gears of 3 gears with 3 gears due to changing
It keeps off tooth device 19 to engage, therefore drives output shaft 15 to rotate by the 3 shift tooth device 19 kept off.
In the embodiment of the present application, during gearbox 1 switches to 3 gear from 4 gears, the shift tooth device 19 and 4 of 4 gears
The output gear of gear can be automatically separated.Specifically, after outer clutch 11 is switched to bonding state by discrete state, outside
Clutch 11 will drive interior input shaft 14 to rotate, and interior input shaft 14 is further driven to the rotation of output shaft 15, due to 4 gears at this time
Shift gears tooth device 19 and 4 keep off output gear revolving speed it is no longer identical, therefore 4 gear shift teeth 20 with shift gears tooth fixing groove 21 it
Between can generate relative motion, due to shift tooth fixing groove 21 in there are smooth lug bosses 212, by means of the smooth lug boss 212
Shift tooth 20 can be opened, so that the shift tooth 20 of 4 gears is automatically separated with shift tooth fixing groove 21, namely makes the shift of 4 gears
The output gear that tooth device 19 and 4 is kept off can be automatically separated.Exactly this design, so that in the process for switching to 3 gears from 4 gears
In, first outer clutch 11 can be combined to separate interior clutch 12 again, realize and shift gears without time delay Non-intermittent.
Above by several examples, upshift and downshift process are carried out illustratively to introduce explanation, for other each
Handoff procedure between gear, it is similar with above-mentioned example.In the embodiment of the present application, the upshift mistake between any two gear
Downshift process between journey and any two gear can be realized no time delay Non-intermittent shift.
In conclusion in technical solution provided by the embodiments of the present application, during gearbox is shifted gears, by means of
The smooth lug boss shifted gears between tooth device and free gear, so that the work of shift the tooth device and the original gear of original gear
Moving gear can be automatically separated, exactly this design, so that during switching to target gear from original gear, Neng Gouxian
The clutch of combining target gear separates the clutch of original gear again, realizes Non-intermittent speed change, does not have time delay in shift.
In the exemplary embodiment, as shown in figure 8, gearbox 1 further includes Power Component 16.Power Component 16 passes through respectively
First connection component 22 and the second connection component 23, are separately connected with interior input shaft 14 and outer input shaft 13.16 energy of Power Component
Power is enough applied by the inside input shaft 14 of the first connection component 22, Power Component 16 also can by the second connection component 23 to
Outer input shaft 13 applies power.
During switching to the second working condition from the first working condition, Power Component 16 passes through the second connection component
23 drive outer input shaft 13 to rotate, so that the free gear 18 of the revolving speed and the second gear of the shift tooth device 19 of the second gear
Revolving speed is identical；To revolving speed it is identical after, the shift tooth device 19 of the second gear is engaged with the free gear 18 of the second gear.
During switching to the first working condition from the second working condition, Power Component 16 passes through the first connection component
22 drive interior input shaft 14 to rotate, so that the free gear 18 of the revolving speed and the first gear of the shift tooth device 19 of the first gear
Revolving speed is identical；To revolving speed it is identical after, the shift tooth device 19 of the first gear is engaged with the free gear 18 of the first gear.
For rising to the upshift process of 2 gears from 1 gear, it is assumed that the input gear of 1 gear and the tooth ratio of the output gear of 1 gear are
The tooth ratio of the output gear of 1:3, the input gear of 2 gears and 2 gears is 1:2.Assuming that under 1 gear working condition, interior input shaft 14
Revolving speed is 3000r/min, then the revolving speed of output shaft 15 is 1000r/min.Under 1 gear working condition, the shift tooth device 19 of 2 gears
Revolving speed it is identical as the revolving speed of output shaft 15, be 1000r/min, but due to 2 gear output gear be free gear, revolving speed
Revolving speed with output shaft 15 may be not identical.In order to which the output gear that the shift tooth device 19 and 2 kept off in control 2 is kept off engages
When, do not occur the case where beating tooth between the two, can control Power Component 16 by the second connection component 23 and drive outer input shaft
13 rotations, the revolving speed for such as controlling outer input shaft 13 is 2000r/min, and the input gear of 2 gears and the tooth ratio of the output gear of 2 gears are
1:2, therefore when the revolving speed of outer input shaft 13 is 2000r/min, the revolving speed of the output gear of 2 gears is 1000r/min.In this way, 2
When the revolving speed of the shift tooth device 19 of gear is with the revolving speed of output gear identical (being 1000r/min) of 2 gears, then control 2 gears
The output gear that shift tooth device 19 and 2 is kept off engages, then is not in the case where beating tooth.
For being down to the downshift process of 4 gears from 9 gears, it is assumed that the input gear of 9 gears and the tooth ratio of the output gear of 9 gears are
The tooth ratio of the output gear of 3:1, the input gear of 4 gears and 4 gears is 1:1.Assuming that under 9 gear working conditions, interior input shaft 14
Revolving speed is 3000r/min, then the revolving speed of output shaft 15 is 9000r/min.Under 9 gear working conditions, the shift tooth device 19 of 4 gears
Revolving speed it is identical as the revolving speed of output shaft 15, be 9000r/min, but due to 4 gear output gear be free gear, revolving speed
Revolving speed with output shaft 15 may be not identical.In order to which the output gear that the shift tooth device 19 and 4 kept off in control 4 is kept off engages
When, do not occur the case where beating tooth between the two, can control Power Component 16 by the second connection component 23 and drive outer input shaft
13 rotations, the revolving speed for such as controlling outer input shaft 13 is 9000r/min, and the input gear of 4 gears and the tooth ratio of the output gear of 4 gears are
1:1, therefore when the revolving speed of outer input shaft 13 is 9000r/min, the revolving speed of the output gear of 4 gears is 9000r/min.In this way, 4
When the revolving speed of the shift tooth device 19 of gear is with the revolving speed of output gear identical (being 9000r/min) of 4 gears, then control 4 gears
The output gear that shift tooth device 19 and 4 is kept off engages, then is not in the case where beating tooth.
Above by several examples, upshift and downshift process are carried out illustratively to introduce explanation, for other each
Handoff procedure between gear, it is similar with above-mentioned example.In the embodiment of the present application, the upshift mistake between any two gear
Downshift process between journey and any two gear is not in the case where beating tooth.In addition, about tooth in above-mentioned example
Carried out than the numerical example of, revolving speed it is exemplary and explanatory, in order to clearly illustrate the principle of technical scheme, in reality
In, suitable tooth ratio can be set according to actual needs and revolving speed, the embodiment of the present application are not construed as limiting this.
Optionally, Power Component 16 includes first motor and the second motor.First motor by the first connection component 22 with
Interior input shaft 14 connects, and the first connection component 22 includes the first driving gear for being set to the power output end of first motor, with
And the first driven gear for being set on interior input shaft 14 and being engaged with the first driving gear；Second motor passes through the second connection group
Part 23 is connect with outer input shaft 13, and the second connection component 23 includes the second driving tooth for being set to the power output end of the second motor
Wheel, and the second driven gear for being set on outer input shaft 13 and being engaged with the second driving gear.By the above-mentioned means, realizing
By the power transmission of Power Component 16 to input shaft, band driven input shaft is rotated.
In conclusion in technical solution provided by the embodiments of the present application, also by the design motivation component in gearbox,
It in shift process, is rotated by Power Component band driven input shaft, so that the shift tooth device and free gear of target gear
Revolving speed is identical and then control the two engages, to avoid the occurrence of the case where beating tooth, promotes the shift performance and use of gearbox
Service life.
One exemplary embodiment of the application additionally provides a kind of automobile, which includes the speed change such as foregoing embodiments introduction
Case.Automobile refers to the vehicle of the non-track carrying by power drive, with 4 or 4 or more wheels, is mainly used for carrying personnel
And/or cargo, draw vehicle or the other specific uses of carrying personnel and/or cargo.In the embodiment of the present application, to vapour
The type of vehicle is not especially limited.
Equipped with the automobile of gearbox provided by the embodiments of the present application, Non-intermittent speed change can be realized, do not have in shift
Time delay, without the pause and transition in rhythm or melody sense generated by time delay, driving experience is more preferably.
Above-mentioned the embodiment of the present application serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
The foregoing is merely the exemplary embodiments of the application, all in spirit herein not to limit the application
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this application.
Claims (10)
1. a kind of gearshift of gearbox, which is characterized in that the gearshift includes: the free gear of coaxial arrangement and changes
Keep off tooth device；
The shift tooth being meshed and shift tooth fixing groove are formed between the free gear and the shift tooth device；
At least one smooth lug boss is formed in the shift tooth fixing groove.
2. gearshift according to claim 1, which is characterized in that the shift tooth fixing groove is annular in shape, and described changes
It keeps off in tooth fixing groove there are at least two fixed teeth compatible with the shift tooth, is formed between the two neighboring fixed tooth
There is the smooth lug boss.
3. gearshift according to claim 2, which is characterized in that the smooth boss is in two neighboring described solid
The middle position of fixed tooth.
4. gearshift according to claim 1, which is characterized in that the shift tooth device includes being set to changing on axis
Keep off tooth pedestal, and the shift tooth connecting with the shift tooth pedestal by spline；
The side of the free gear is formed with shift tooth fixing groove corresponding with the shift tooth.
5. gearshift according to claim 1, which is characterized in that the shift tooth device includes being set to changing on axis
Keep off tooth pedestal, and the shift tooth fixing groove connecting with the shift tooth pedestal by spline；
The side of the free gear is formed with shift tooth corresponding with the shift tooth fixing groove.
6. gearshift according to claim 4 or 5, which is characterized in that
It is formed with the first limiting slot on the shift tooth pedestal, is formed on the shift tooth or the shift tooth fixing groove and institute
State corresponding second limiting slot of the first limiting slot；
Spring element and the steel ball at the top of the spring element are provided in first limiting slot；
In the case where the free gear and the shift tooth device are in discrete state, a part of the steel ball is located at institute
It states in the first limiting slot, and another part is located in second limiting slot.
7. gearshift according to claim 6, which is characterized in that the quantity of first limiting slot is multiple, and institute
Multiple first limiting slots are stated to be uniformly distributed on the shift tooth pedestal around axis.
8. gearshift according to claim 1, which is characterized in that the height of the smooth lug boss and the shift tooth
The depth of groove of fixing groove is identical.
9. gearshift according to claim 1, which is characterized in that the gearshift further includes electromagnetism shift fork, described
Electromagnetism shift fork includes: shell, the first fixed block, the second fixed block and the movable block being set in the shell, and with it is described
The connected shift fork part of movable block；
The position of first fixed block and second fixed block is fixed；
The movable block is between first fixed block and second fixed block, and the movable block is consolidated with described first
Determine to pass through electromagnetic coupling respectively between block and second fixed block；
One end of the shift fork part is connect with the movable block, and the other end of the shift fork part is connect with the shift tooth device.
10. a kind of gearbox, which is characterized in that the gearbox includes shift machine as described in any one of claim 1 to 9
Structure.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111550521.0A CN114294382A (en) | 2019-06-28 | 2019-06-28 | Gear shifting mechanism of gearbox and gearbox |
| CN201910579798.2A CN110345203A (en) | 2019-06-28 | 2019-06-28 | The gearshift and gearbox of gearbox |
| PCT/CN2020/098543 WO2020259686A1 (en) | 2019-06-28 | 2020-06-28 | Shifting mechanism of transmission, and transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910579798.2A CN110345203A (en) | 2019-06-28 | 2019-06-28 | The gearshift and gearbox of gearbox |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111550521.0A Division CN114294382A (en) | 2019-06-28 | 2019-06-28 | Gear shifting mechanism of gearbox and gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110345203A true CN110345203A (en) | 2019-10-18 |
Family
ID=68177348
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111550521.0A Pending CN114294382A (en) | 2019-06-28 | 2019-06-28 | Gear shifting mechanism of gearbox and gearbox |
| CN201910579798.2A Pending CN110345203A (en) | 2019-06-28 | 2019-06-28 | The gearshift and gearbox of gearbox |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111550521.0A Pending CN114294382A (en) | 2019-06-28 | 2019-06-28 | Gear shifting mechanism of gearbox and gearbox |
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| Country | Link |
|---|---|
| CN (2) | CN114294382A (en) |
| WO (1) | WO2020259686A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020259686A1 (en) * | 2019-06-28 | 2020-12-30 | 江苏美械变速箱有限公司 | Shifting mechanism of transmission, and transmission |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114294382A (en) | 2022-04-08 |
| WO2020259686A1 (en) | 2020-12-30 |
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Application publication date: 20191018 |