CN110219950A - Shift assembly, speed changer and vehicle with the shift assembly - Google Patents
Shift assembly, speed changer and vehicle with the shift assembly Download PDFInfo
- Publication number
- CN110219950A CN110219950A CN201910606281.8A CN201910606281A CN110219950A CN 110219950 A CN110219950 A CN 110219950A CN 201910606281 A CN201910606281 A CN 201910606281A CN 110219950 A CN110219950 A CN 110219950A
- Authority
- CN
- China
- Prior art keywords
- limiter
- gear
- sub
- shift
- shifting shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000712 assembly Effects 0.000 claims description 21
- 238000000429 assembly Methods 0.000 claims description 21
- 230000008859 change Effects 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 19
- 230000033001 locomotion Effects 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000012163 sequencing technique Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- F16H3/002—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having teeth movable out of mesh
-
- 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
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
- F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention provides a kind of speed changer, power input gear group and power output gear group and configures permutation and combination by gear ratio, and the speed changer under sequence combination includes shift assembly, and power shift gear is divided into two, the sub- gear of two respectively mutually agreed with.When shift, when two sub- gears separate, power interruption, and in kinetic energy conversion, two sub- gears are successively engaged with power input gear group and power output gear group, are that can disperse pressure suffered by power shift gear relative to indiscrete advantage by the purpose that power shift gear is divided into two, the abrasion that power shift gear is subject in shift is reduced, and then can be improved the service life of power shift gear.The present invention also provides a kind of shift assembly that the speed changer uses and with the vehicle of the speed changer.
Description
Technical field
The present invention relates to transmission technology fields, and in particular to a kind of shift assembly, the speed changer with the shift assembly
And vehicle.
Background technique
Speed changer is very important component on vehicle, it can change transmission ratio, plays and expands driving wheel torque and turn
The effect of speed.A kind of speed changer of currently available technology includes power input gear group, power output gear group and power shift gear,
Power input gear group includes several different size of power input gears, and power output gear group includes several different size of
Power output gear, power shift gear are engaged with power input gear group and power output gear group, are realized the transmitting of kinetic energy, are passed through
Change the position of power shift gear, engages, reach from different power input gears and power output gear so that becoming power shift gear
Kinetic energy conversion, changes the effect of transmission ratio.For this kind of speed changer when carrying out kinetic energy conversion, power shift gear is to input simultaneously with power
What the gear of gear set and the gear of power output gear group were engaged, and due to the effect of inertia, power input gear group
Gear and power output gear group gear shift when still continuing to rotate, cause power shift gear simultaneously it is hard with two gears
Connection, power shift gear are under pressure larger, are prone to wear, reduce the service life of power shift gear.
Summary of the invention
The present invention is directed at least solve one of technical problem set forth above, one kind is provided and is able to extend power shift gear use
The speed changer in service life.
In order to achieve the above objectives, the technical scheme adopted by the invention is that:
A kind of speed changer, including power input gear group, power output gear group and shift assembly, shift assembly is by power
Input gear group is coupled with power output gear group to selectively change the gear ratio of the speed changer, the shift assembly packet
It includes:
Shifting shaft；
Power shift gear, the sub- gear that can mutually agree with including two, two sub- gears are rotationally socketed on described change
On gear shaft, and it can be moved along the shifting shaft；
Shift actuator, the shift actuator are connect with two sub- gears, to drive two sub- gears along the shift
Axis is mobile so that two sub- gears separate, and according to preset sequencing respectively with power input gear group and power
The coupling of output gear group, then two sub- gears are mutually agreed with to realize shift transmission.
Further, the shift actuator includes:
Guiding axis, guiding axis is parallel with the shifting shaft, is equipped at intervals on guiding axis according to preset gear number several
Detent portion；
Two driving assemblies, two driving assemblies are located at the opposite end of power shift gear, and each driving assembly includes:
First limiter, first limiter are slidably socketed on the shifting shaft, the first limit of two driving assemblies
Device is rotatablely connected with two sub- gears respectively, and two first limiter stress are able to drive accordingly when moving along the shifting shaft
Sub- gear is mobile；First limiter is equipped with locking mechanism, and the locking mechanism includes card-bit part and return unit, and card-bit part passes through
Return unit is connected with corresponding first limiter, and selects a clamping with the detent portion of guiding axis under the action of return unit；And
Second limiter, second limiter are slidably socketed on the shifting shaft and/or guiding axis, and are located at corresponding the
One limiter is equipped with the drive rod extended towards power shift gear, the drive rod backwards to the side of power shift gear, second limiter
Side towards shifting shaft is equipped with driving portion, the card-bit part cooperation of the driving portion and corresponding first limiter, the drive rod
Free terminal be equipped with pulling department, the first limiter of the pulling department and respective drive component cooperates；And
The opposite end of elastic component, elastic component is connected with second limiter and first limiter respectively；
Pull lever, the pull lever link together the second limiter of two driving assemblies；
Wherein, two second limiter stress can be moved along shifting shaft in the same direction, to allow two second limits
The drive rod of device pushes the card-bit part in two first limiters to be successively detached from corresponding detent portion and is clamped by driving portion, institute
Stating drive rod can also pull corresponding first limiter to exist after corresponding card-bit part and detent portion are detached from clamping by pulling department
It is moved on shifting shaft.
Further, the card-bit part includes sequentially connected sliding bar, screens axle and clamping block, and the one of the sliding bar
End is slidably connected with corresponding first limiter, and can move back and forth in the direction of vertically-guided axis；The return unit socket
In on the sliding bar, and both ends are connected with screens axle and the first limiter respectively；The clamping block to guiding axis
Detent portion select a clamping；The driving portion include the first plane for being sequentially connected and being gradually distance from power shift gear, the first inclined-plane,
Joint face, the second inclined-plane and the second plane, the first plane be located along the same line with the second plane and with phase at a distance from shifting shaft
Together, the first inclined-plane, joint face and the second inclined-plane surround a groove structure jointly, and projected length of first inclined-plane on guiding axis is small
In projected length of second inclined-plane on guiding axis；Perforation offers the sliding passed through for clamping block on the drive rod
When hole, the clamping block and the detent portion are clamped, the screens axle and the connection face contact；The clamping block is located at described
When in the first plane or second plane, the clamping block is detached from corresponding detent portion and is clamped.
Further, the free terminal of the drive rod is bent to form the pulling department, in the second limiter towards remote
When direction from the power shift gear is mobile, the pulling department can offset with corresponding first limiter, with pull this first
Limiter movement.
Further, the pull lever includes the body of rod and two link blocks for being connected to pull lever opposite end, institute
It is parallel with the guiding axis to state the body of rod, two link blocks are slidably socketed on same guiding axis, and respectively with two second
Limiter connection.
Further, wherein the end face of a sub- gear is equipped with clamping protrusion, card is correspondingly provided on the end face of another sub- gear
Access slot, clamping protrusion are clamped with clamping groove, two sub- gears are removably fitted together.
Further, clamping protrusion includes prism portion and the arc angling portion for being connected to prism portion one end, and prism portion is separate
The one end in arc angling portion is fixedly connected with sub- power shift gear, and clamping groove is the prism hole being used cooperatively with prism portion.
The present invention also provides the shift actuator of another structure, the shift actuator includes:
Guiding axis, guiding axis is parallel with shifting shaft, is equipped at intervals with several detents according to preset gear number on guiding axis
Portion；
Two driving assemblies, two driving assemblies are located at the opposite end of power shift gear, and each driving assembly includes:
First limiter, first limiter are slidably socketed on the shifting shaft, the first limit of two driving assemblies
Device is rotatablely connected with two sub- gears respectively, and first limiter stress is able to drive corresponding sub- tooth when moving along the shifting shaft
Wheel movement；
Second limiter, second limiter are slidably socketed on the shifting shaft, and are located at corresponding first limiter
Backwards to the side of the power shift gear, second limiter is equipped with the drive rod that extends towards power shift gear, the drive rod towards
The side of shifting shaft is equipped with driving portion；
Locking mechanism, locking mechanism are installed in first limiter, and each locking mechanism includes card-bit part, return unit and drive
Moving part, card-bit part are connected with corresponding first limiter by return unit, and under the action of return unit with the detent of guiding axis
A clamping is selected in portion, and card-bit part can also be detached from detent portion under the promotion of corresponding driving portion and be clamped；Actuator and the detent
Part connection, the actuator is able to drive card-bit part when being triggered and detent portion is detached from；And
Actuator, actuator are connect with first limiter, to trigger actuator, to allow connect with the actuator the
One limiter and the sub- gear connecting with the first limiter are moved along shifting shaft；
The opposite end of elastic component, elastic component is connected with second limiter and first limiter respectively；And
Pull lever, at least provided with a pull lever in each first limiter, one end of the pull lever with it is corresponding
First limiter connection, the other end of pull lever across power shift gear to be matched with the second limiter of another driving assembly,
To pull the second limiter.
The present invention also provides a kind of shift assembly, the shift assembly includes:
Shifting shaft；
Power shift gear, the power shift gear include two sub- gears that can mutually agree with, and two sub- gears are rotationally
It is socketed on the shifting shaft, and can be moved along the shifting shaft；
Shift actuator, the shift actuator are connect with two sub- gears, to drive two sub- gears along the shift
Axis is mobile, agrees with again so that two sub- gears first separate to realize shift transmission.
The present invention furthermore provides a kind of vehicle, including speed changer described in any of the above embodiments.
Due to the adoption of the above technical scheme, the invention has the following advantages:
Power shift gear is divided into two by above-mentioned shift assembly, the sub- gear of two respectively mutually agreed with.When shift, when two
A sub- gear separate when, power interruption, and kinetic energy conversion when, two sub- gears successively with power input gear group and power
Output gear group engagement, therefore, compared to the prior art in power shift gear simultaneously with power input gear group and power output
The mode of gear set engagement, can disperse pressure suffered by power shift gear, reduce the abrasion that power shift gear is subject in shift,
And then it can be improved the service life of power shift gear.
Detailed description of the invention
Fig. 1 is the schematic perspective view of speed changer in first embodiment of the invention.
Fig. 2 is the present invention looks up structural representation of speed changer shown in Fig. 1.
Fig. 3 is the schematic perspective view of shift assembly in the speed changer of first embodiment of the invention.
Fig. 4 is the structural schematic diagram of guiding axis in shift assembly shown in Fig. 3.
Fig. 5 is the wherein structure chart of a sub- gear in shift assembly shown in Fig. 3.
Fig. 6 is the structure chart of another sub- gear in shift assembly shown in Fig. 3.
Fig. 7 is enlarged drawing of the shift assembly at A shown in Fig. 3.
Fig. 8 is the right view of shift assembly shown in Fig. 3.
Fig. 9 is the part-structure figure of shift assembly shown in Fig. 8.
Figure 10 is the perspective diagram of shift assembly part-structure shown in Fig. 9.
Figure 11 is the schematic perspective view of speed changer in second embodiment of the invention.
Figure 12 is the present invention looks up structural representation of speed changer shown in Figure 11.
Figure 13 is the schematic perspective view of shift assembly in the speed changer of second embodiment of the invention.
Figure 14 is the main view of shift assembly shown in Figure 13.
Figure 15 is the rearview of shift assembly shown in Figure 13.
Figure 16 is enlarged drawing of the shift assembly at B shown in Figure 15.
Figure 17 is that shift assembly shown in Figure 13 removes perspective view after a wherein actuator at another visual angle.
Figure 18 is the enlarged drawing of shift assembly part-structure shown in Figure 17.
Figure 19 is perspective view of the shift assembly shown in Figure 13 at another visual angle.
Figure 20 is the enlarged drawing of shift assembly part-structure shown in Figure 19.
Main element symbol description
100,300- speed changer, 2- power input gear group, 21- power input shaft, 23- power input gear, 25- pass a bridge
Gear, 3- power output gear group, 31- power output shaft, 33- power output gear, 35- equipment gear, 200- shift assembly,
41- shifting shaft, 42- guiding axis, 421- detent portion, 44- power shift gear, the sub- gear of 441,443-, 4411- clamping protrusion, 4413-
Prism portion, 4414- arc angling portion, 4431- clamping groove, 445- gear part, 446- grafting set, 447- guide convex rail, 46- first
Limiter, 460- connecting plate, 461- sliding tube, 4611- avoid holes, the first connecting plate of 463-, the second connecting plate of 464-, 4641-
Keep away a hole, 465- bearing sleeve, 466- fixing sleeve, 467- guide sleeve, 468- fixed block, 469- mounting blocks, 4691- pilot hole, 45-
Second limiter, 451- sliding sleeve, 453- limit plate, 47- elastic component, 48- actuator, 481- operating bar, 483- frizzen,
First body of rod of 4831-, second body of rod of 4833-, 485- reset spring, 49- drive rod, 491- driving portion, 492- sliding eye, 493-
First plane, the first inclined-plane 494-, 495- joint face, the second inclined-plane 496-, the second plane of 497-, 498- pulling department, 5- are pulled
Bar, the 51- body of rod, 52- link block, 54- pushing block, 6- locking mechanism, 61- card-bit part, 611- sliding bar, 613- screens axle,
615- clamping block, 63- return unit, 65- actuator, 651- column, 653- crossbeam, 655- brace, 657- flexible connector, 658-
Pivot part.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Please referring also to Fig. 1 and Fig. 2, first embodiment of the invention provide a kind of speed changer 100, including power inputs tooth
Wheel group 2, power output gear group 3 and shift assembly 200.Shift assembly 200 is by power input gear group 2 and power output gear
Group 3 is coupled to selectively change the gear ratio of the speed changer 100.
In the present embodiment, power input gear group 2 includes that 21, three carrier gears 25 of power input shaft and interval are solid
Due on power input shaft 21 and with different-diameter size three power input gears 23, three carrier gears 25 respectively with
Three power input gears 23 engage.Three power input gears 23 equidistantly distribute.Power output gear group 3 includes that power is defeated
31, three equipment gears 35 of shaft and interval are fixed on power output shaft 31 and three power with different-diameter size are defeated
Gear 33 out, power output shaft 31 are parallel to each other with power input shaft 21, three equipment gears 35 respectively with three power outputs
Gear 33 engages.Three power output gears 33 equidistantly distribute.Three equipment gears 35 are staggered with three carrier gears 25 and set
It sets.This partly belongs to the prior art, to omit length, is not described in detail here.
Please also refer to Fig. 3, shift assembly 200 includes shifting shaft 41, power shift gear 44 and shift actuator (not indicating).
Power shift gear 44 includes two sub- gears 441,443 mutually agreed with, and two sub- gears 441,443 are rotationally socketed on shift
On axis 41, and it can be moved along shifting shaft 41；Shift actuator is connect with two sub- gears 441,443, to drive two sub- teeth
Wheel 441,443 is moved along shifting shaft 41, so that two 441,443 points of sub- gears are opened, and according to preset sequencing point
Do not coupled with power input gear group 2, power output gear group 3, and two sub- gears 441,443 are mutually agreed with again with
Shift transmission is carried out, specifically: when power shift gear 44 is moved along shifting shaft 41, two sub- gears 441,443 is enabled to distinguish
Engaged with carrier gear 25 and equipment gear 35, then by carrier gear 25 and equipment gear 35 by power input gear group 2 with
Power output gear group 3 couples.When power shift gear 44 is engaged from different carrier gears 25 and equipment gear 35, can select
Property change the gear ratio of speed changer 100 so that the speed changer 100 has different gears.In the present embodiment, power
The number of gears of input gear group 2 and the number of gears of power output gear group 3 determine that the speed changer 100 has 5 gears.
Please also refer to Fig. 5 and Fig. 6, in the present embodiment, two sub- gears 441,443 include gear part 445 and
The grafting set 446 being connected on 445 1 end face of gear part.Preferably, grafting set 446 is integrally formed with gear part 445.Grafting set
446 are slidably socketed on shifting shaft 41 with gear part 445, and can rotate relative to shifting shaft 41.The outer wall of grafting set 446
On circumferentially arranged with guide convex rail 447.Wherein, the gear part 445 of sub- gear 441 is equipped with card backwards to the end face of grafting set 446
Protrusion 4411 is connect, the gear part 445 of another sub- gear 443 is equipped with clamping groove 4431, clamping protrusion towards the end face of sub- gear 441
4411 are clamped with clamping groove 4431, and two sub- gears 441,443 are removably fitted together.In the present embodiment,
Clamping protrusion 4411 includes prism portion 4413 and the arc angling portion 4414 for being connected to 4413 one end of prism portion, and prism portion 4413 is remote
One end of arc of recess shape corner portion 4414 is fixedly connected with sub- gear 441, and clamping groove 4431 is used cooperatively with prism portion 4413
Prism hole.It, can be same with the sub- gear 441,443 for ensuring to fit together by the mating of prism portion 4413 and prism hole
Step rotation；And the setting in arc angling portion 4414 enable to sub- gear 441 and sub- gear 443 to agree with process more smooth.
In the present embodiment, shift actuator includes that two guiding axis, 42, two driving assemblies (do not indicate) Ji Yila
Lever 5.Two guiding axis 42 are located at the opposite sides of power shift gear 44, and parallel with shifting shaft 41, on guiding axis 42
Several detent portions 421 (Fig. 4) are equipped at intervals with according to preset gear number.Several detent portions 421 are for determining power shift gear 44
Position is in different location, to realize shift.In the present embodiment, detent portion 421 is groove structure；It is corresponding on each guiding axis 42
5 gear compartment of terrain offer 5 detent portions 421.It is appreciated that the gear number of speed changer 100 is not limited to the present embodiment, it can
Be designed as other numbers according to actual needs, the number in detent portion 421 can also gear number according to actual needs be designed.
Please also refer to Fig. 8, two driving assemblies are located at the opposite end of power shift gear 44, each driving assembly packet
Include first limiter 46, second limiter 45 and elastic component 47.
First limiter 46 is slidably socketed on shifting shaft 41 and two guiding axis 42.First limit of two driving assemblies
Position device 46 is rotatablely connected with two sub- gears 441,443 respectively, energy when two 46 stress of first limiter are moved along shifting shaft 41
It is enough to drive corresponding sub- gear 441,443 mobile；Each first limiter 46 is equipped with locking mechanism 6 (Fig. 3).Please also refer to
Figure 10, locking mechanism 6 include card-bit part 61 and return unit 63, and card-bit part 61 passes through return unit 63 and corresponding first limiter 46
Connection, and a clamping is selected with the detent portion 421 of guiding axis 42 under the action of return unit 63.
Specifically, referring again to Fig. 3, in the present embodiment, each first limiter 46 includes two sliding tubes 461
An and connecting plate 460.Two sliding tubes 461 are slidably sheathed on respectively on two guiding axis 42；Connecting plate 460 connects two cunnings
Dynamic pipe 461, connecting plate 460 are slidably sheathed on shifting shaft 41.In the present embodiment, connecting plate 460 and sliding tube 461 hang down
Directly.The connecting plate 460 of two first limiters 46 is rotatablely connected with two sub- gears 441,443 respectively, specifically: each connection
Plate 460 is fixed with bearing sleeve 465 (Fig. 8) towards the side of power shift gear 44, and bearing sleeve 465 is socketed on outside shifting shaft 41, and two
The grafting set 446 of sub- gear 441,443 is rotationally plugged in respectively in the bearing sleeve 465 of two first limiters 46.Bearing sleeve
The guide convex rail 447 that grafting set 446 is also corresponded on 465 inner wall is circumferentially recessed with guide groove (not shown).Guide convex rail 447
It is slidably contained in corresponding guide groove, to allow sub- gear 441,443 to rotate relative to bearing sleeve 465, and it is convex by being oriented to
The cooperation of rail 447 and guide groove can prevent the opposite bearing sleeve 465 of sub- gear 441,443 along the axial movement of shifting shaft 41.
Connecting plate 460 is equipped with fixing sleeve 466 and two guide sleeves 467 backwards to the side of bearing sleeve 465.Fixing sleeve 466 is sliding
It is socketed on outside shifting shaft 41 dynamicly, and one end is fixed on connecting plate 460.Two guide sleeves 467 phase with fixing sleeve 466 respectively
Two sides are connected, in the present embodiment, guide sleeve 467 is in hollow cylindrical open at one end, and one end and fixing sleeve 466 are solid
Fixed connection, the other end extend towards guiding axis 42.
In the present embodiment, locking mechanism 6 there are two being set in each first limiter 46.Two locking mechanisms 6 are distinguished
In the two spaces that shifting shaft 41 and two guiding axis 42 are formed, and it is respectively installed in two of corresponding first limiter 46
At guide sleeve 467, to be clamped respectively with the detent portion 421 on two guiding axis 42, so that the positioning of power shift gear 44 is more
Add and stablizes, is reliable.
In the present embodiment, each card-bit part 61 includes sequentially connected sliding bar 611, screens axle 613 and clamping block
615.One end of sliding bar 611 is slidably connected with corresponding first limiter 46, and can be past in the direction of vertically-guided axis 42
Multiple movement, specifically, in the present embodiment, the free terminal of sliding bar 611 is slidably inserted in corresponding guide sleeve 467
It is interior.Return unit 63 is socketed on sliding bar 611, and both ends connect with screens axle 613 and first limiter 46 respectively, specifically,
In present embodiment, return unit 63 is spring, and the opposite end of return unit 63 is respectively and in screens axle 613 and fixing sleeve 466
Bottom wall connection, under the action of return unit 63, the clamping block 615 of two card-bit parts 61 respectively with the detent on two guiding axis 42
Select a clamping in portion 421.
Please also refer to Fig. 9, second limiter 45 is slidably socketed on shifting shaft 41, and is located at first limiter 46 and is carried on the back
To the side of power shift gear 44.Each second limiter 45 is equipped with the drive rod 49 extended towards power shift gear 44.Drive rod 49
Side towards shifting shaft 41 is equipped with driving portion 491, the cooperation of card-bit part 61 of driving portion 491 and corresponding first limiter 46；It drives
The free terminal of lever 49 is equipped with pulling department 498, the cooperation of first limiter 46 of pulling department 498 and respective drive component.
Specifically, in the present embodiment, each second limiter 45 is substantially plate-like.Connect in each second limiter 45
It connects there are two drive rod 49, two drive rods 49 are parallel to each other, and are located at what two guiding axis 42 were formed with shifting shaft 41
In two spaces.Driving portion 491 includes being sequentially connected and being gradually distance from the first plane 493 of power shift gear 44, the first inclined-plane
494, joint face 495, the second inclined-plane 496 and the second plane 497.Wherein, the first plane 493 and the second plane 497 are located at same
On straight line, and the first plane 493 is at a distance from shifting shaft 41 and the second plane 497 is identical at a distance from shifting shaft 41；First tiltedly
Face 494, joint face 495 and the second inclined-plane 496 surround a groove structure, and throwing of first inclined-plane 494 on guiding axis 42 jointly
Projected length of the shadow length less than the second inclined-plane 496 on guiding axis 42.Perforation offers the sliding of strip on drive rod 49
Hole 492 (Fig. 7), sliding eye 492 extend to the second plane 497 by the first plane 493.Sliding eye 492 is used to supply corresponding card-bit part
61 clamping block 615 passes through.When clamping block 615 and detent portion 421 are clamped, screens axle 613 is contacted with joint face 495；Clamping block
61 when being located in the first plane 493 or the second plane 497, and clamping block 615 is detached from clamping with corresponding detent portion 421.In this reality
It applies in mode, the avoid holes 4611 (Fig. 7) passed through for clamping block 615 is also provided on each sliding tube 461.Drive rod 49 from
Pulling department 498 is bent to form towards the direction far from guiding axis 42 by end.In second limiter 45 towards far from power shift gear 44
When direction is mobile, pulling department 498 can offset with the guide sleeve 467 of first limiter 46 in respective drive component, be somebody's turn to do with pulling
First limiter 46 moves.
The opposite end of elastic component 47 is connected with second limiter 45 and first limiter 46 respectively.In present embodiment
In, elastic component 47 is spring, and the opposite end of each elastic component 47 is consolidated with second limiter 45 and first limiter 46 respectively
Surely set 466 is connected.In the present embodiment, elastic component 47 is also socketed on shifting shaft 41, with the stretching motion to elastic component 47
It is oriented to.
Pull lever 5 links together the second limiter 45 of two driving assemblies.In the present embodiment, pull lever 5
Including the body of rod 51 and two link blocks 52 of 5 opposite end of pull lever are connected to, the body of rod 51 is parallel with guiding axis 42, and two
Link block 52 is slidably socketed on same guiding axis 42, and is connect respectively with two second limiters 45.
Two 45 stress of second limiter can be moved along shifting shaft 41 in the same direction, to allow two second limiters
45 drive rod 49 by driving portion 498 push two first limiters 46 on card-bit part 61 successively with corresponding detent portion
421 are detached from clamping, and drive rod 49 can also be drawn after corresponding card-bit part 61 is detached from clamping with detent portion 421 by pulling department 498
The first limiter 46 of dynamic respective drive component moves on shifting shaft 41.
The shift speed change process for briefly describing speed changer 100 in lower first embodiment of the invention below, please also refer to
Fig. 2, at this point, two sub- gears 441,443 of power shift gear 44, which are in, agrees with state, and sub- gear 443 be located at rightmost
Equipment gear 35 engages, and sub- gear 441 is engaged with carrier gear 25 is located in the middle, at this point, power being capable of driven power input shaft
21 drive to power output shaft 31.When needing shift speed change, such as in Fig. 2, it is required that power shift gear 44 and rightmost
Carrier gear 25 and positioned at rightmost equipment gear 35 engage, when realizing speed change, firstly, being driven two in Fig. 8 by external force
A second limiter 45 moves right simultaneously, and drive rod 49 moves right with second limiter 45.In the process, it is located at shift
The drive rod 49 of 44 right end of gear pushes against the screens axle 613 of corresponding card-bit part 61 by the first inclined-plane 494, is located at power shift gear 44
The drive rod 49 of left end pushes against the screens axle 613 of corresponding card-bit part 61 by the second inclined-plane 496, so that screens axle 613 drives
Clamping block 615 is moved towards the direction far from guiding axis 42, and the elastic component 47 for being located at 44 left end of power shift gear is compressed, positioned at changing
The elastic component 47 of gear 44 right end of gear is stretched.Tiltedly less than second due to projected length of first inclined-plane 494 on guiding axis 42
Projected length of the face 496 on guiding axis 42, therefore, the card-bit part 61 positioned at 44 right end of power shift gear are transported along the first inclined-plane 494
Move that along the second inclined-plane 496 to move to second flat than being located at the card-bit part 61 of 44 left end of power shift gear to the time of the first plane 493
The time in face 497 is short, therefore, is first detached from and is clamped with guiding axis 42 positioned at the card-bit part 61 of 44 right end of power shift gear, to allow position
It is moved in the first limiter 46 of 44 right end of power shift gear.Under the drive of 49 pulling department 498 of drive rod, it is located at power shift gear 44
The first limiter 46 of right end is with second limiter 45 towards right movement, and in the process, two sub- gears 441,443 are mutually
It separates to be detached from and agree with state, at this point, power interruption；Card-bit part 61 positioned at 44 left end of power shift gear continues along the second inclined-plane
496 move and continue the elastic component 47 that compression is located at left side, when the card-bit part 61 for being located at 44 left end of power shift gear moves to second
When in plane 497, the second inclined-plane 496 pushes screens axle 613 and the clamping block 615 connecting with screens axle 613 towards far from guiding axis
42 direction movement, so that being located at card-bit part 61 and the disengaging clamping of guiding axis 42 of 44 left end of power shift gear, to allow position
First limiter 46 in left side moves right under the promotion of left side elastic component 47, and to connect with left side first limiter 46
The sub- gear 441 connect also moves right therewith.Detent during first limiter 46 moves right in left side, positioned at left side
Part 61 can the drive rod 49 of opposing left turn right movement so that card-bit part 61 is no longer influenced by compressing for 49 driving portion 491 of drive rod,
At this point, card-bit part 61 can under the action of corresponding return unit 63 towards guiding axis 42 move, with next gear on guiding axis 42
The detent portion 421 of position is clamped, so that sub- gear 441 is located in the speed change gear, at this point, sub- gear 441 be located at the rightmost side
Equipment gear 35 engage.The external force being applied in second limiter 45 is cancelled, the first limiter 46 positioned at right end is on right side
It is moved downward under the action of elastic component 47, so that the sub- gear 443 and sub- gear 441 that are located at right end are until with sub- gear 441
Agree with, and sub- gear 443 is engaged with the carrier gear 25 for being located at rightmost, to realize transmission.
Please referring also to Figure 11 and Figure 12, second embodiment of the invention provide a kind of speed changer 300, implement with first
The structure of speed changer 100 is roughly the same in mode, includes power input gear group 2, power output gear group 3 and shift assembly
200, shift assembly 200 couples power input gear group 2 with power output gear group 3 to selectively change the speed changer
100 gear ratio.Shift assembly 200 includes shifting shaft 41, power shift gear 44 and shift actuator (not indicating).Power shift gear
44 include two sub- gears 441,443 mutually agreed with, and two sub- gears 441,443 are rotationally socketed on shifting shaft 41,
And it can be moved along shifting shaft 41；Shift actuator connect with two sub- gears 441,443, with driving two sub- gears 441,
443 move along shifting shaft 41 so that two 441,443 points of sub- gears are opened, and according to preset sequencing respectively with it is dynamic
After power input gear group 2, power output gear group 3 couple, then two sub- gears 441,443 are mutually agreed with to shift gears
Transmission, the difference is that the structure of shift actuator.
Please also refer to Figure 13, in the present embodiment, shift actuator includes two guiding axis, 42, two driving assemblies
And several pull lever 5.In the present embodiment, identical in the structure with first embodiment of guiding axis 42, to omit length,
Here it is not described in detail.Two driving assemblies are located at the opposite end of power shift gear 44, and each driving assembly includes the
One limiter 46, second limiter 45, locking mechanism 6, actuator 48 and elastic component 47.
First limiter 46 is slidably socketed on shifting shaft 41 and guiding axis 42, the first limiter of two driving assemblies
46 are rotatablely connected with two sub- gears 441,443 respectively.46 stress of first limiter is able to drive phase when moving along shifting shaft 41
The sub- gear 441,443 answered is mobile.Please also refer to Figure 14 and Figure 15, in the present embodiment, first limiter 46 includes two
A sliding tube 461, one first connecting plate 463 and one second connecting plate 464.Two sliding tubes 461 are slidably sheathed on two respectively
On a guiding axis 42, the first connecting plate 463 and the second connecting plate 464 are spaced apart along the length direction of guiding axis 42, and first connects
Fishplate bar 463 and the second connecting plate 464 are all connected with two sliding tubes 461, and the first connecting plate 463 is close compared with the second connecting plate 464
Power shift gear 44.In the present embodiment, the first connecting plate 463 and the second connecting plate 464 are slidably socketed on shifting shaft 41
On, and it is vertical with sliding tube 461.First connecting plate 463 of two first limiters 46 respectively with two sub- gears 441,443
Rotation connection, specifically: every one first connecting plate 463 is fixed with bearing sleeve 465 (Figure 17) towards the side of power shift gear 44, holds
Female connector 465 is socketed on shifting shaft 41；The grafting of sub- gear 441,443 covers 446 (Fig. 5 and Fig. 6) and is plugged in two first respectively
In the bearing sleeve 465 of limiter 46.The guide convex rail 447 that grafting set 446 is also corresponded on the inner wall of bearing sleeve 465 is circumferentially recessed
There is guide groove (not shown).Guide convex rail 447 is slidably contained in corresponding guide groove, to allow sub- gear 441,443 phases
Bearing sleeve 465 is rotated, and can prevent sub- gear 441,443 is opposite to accept by the cooperation of guide convex rail 447 and guide groove
Axial movement of the set 465 along shifting shaft 41.Please also refer to Figure 17, side of second connecting plate 464 towards the first connecting plate 463
Equipped with fixing sleeve 466 and two guide sleeves 467.Fixing sleeve 466 is fixed on the second connecting plate 464, and is slided with shifting shaft 41
Socket.Two guide sleeves 467 are connect with the opposite sides of fixing sleeve 466 respectively, and in the present embodiment, guide sleeve 467 is in two
The hollow cylindrical of end opening, one end are fixedly connected with fixing sleeve 466, and the other end extends towards guiding axis 42.Second connection
The opposite end of plate 464, which also penetrates through, to be opened up there are two keeping away a hole 4641 (Figure 18).
Second limiter 45 is slidably socketed on shifting shaft 41 and two guiding axis 42, and is located at first limiter 46 and is carried on the back
To the side of power shift gear 44.Second limiter 45 is equipped with the drive rod 49 extended towards power shift gear 44.Please also refer to
Figure 14, in the present embodiment, each second limiter 45 include two sliding sleeves 451 and the limit for connecting two sliding sleeves 451
Position plate 453, two sliding sleeves 451 are slidably sheathed on respectively on two guiding axis 42；Limit plate 453 is slidably sheathed on shift
On axis 41.The quantity of drive rod 49 is two, and two drive rods 49 are located at what two guiding axis 42 were surrounded with shifting shaft 41
In two spaces.One end of each drive rod 49 is fixedly connected with limit plate 453 towards the side of power shift gear 44, each driving
The other end sliding of bar 49 is worn keeps away a hole 4641 on the second connecting plate 464 accordingly.Please also refer to Figure 15 and Figure 16, two
Drive rod 49 is parallel with shifting shaft 41, and each drive rod 49 is formed with driving portion 491 close to the free terminal of power shift gear 44.
In the present embodiment, driving portion 491 is the inclined-plane being formed on 49 free terminal of drive rod, which is located at 49 face of drive rod
To the side of shifting shaft 41, and the distance between two 49 inclined-planes of drive rod are gradually reduced along the direction far from power shift gear 44.
Also perforation offers sliding eye 492 (Figure 18) on driving portion 491, and sliding eye 492 extends and passes through along the length direction of guiding axis 42
The free terminal of logical drive rod 49.
Referring again to Figure 13 and Figure 16, each first limiter 46 selects a card by locking mechanism 6 and detent portion 421
It connects, to lock first limiter 46, prevents first limiter 46 from moving along shifting shaft 41 and guiding axis 42.Locking mechanism 6 includes
Card-bit part 61, return unit 63 and actuator 65, card-bit part 61 is connect by return unit 63 with first limiter 46, in return unit 63
Under the action of, a clamping is selected in card-bit part 61 and detent portion 421, to lock first limiter 46.Card-bit part 61 can also be in correspondence
It is detached from and is clamped with detent portion 421 under the promotion of drive rod 49 in driving assembly.Actuator 65 is connect with card-bit part 61, actuator 65
It is able to drive card-bit part 61 when being triggered and detent portion 421 is detached from.
Please also refer to Figure 18, specifically, in the present embodiment, each locking mechanism 6 include two card-bit parts 61 and
Two return units 63.Two card-bit parts 61 are located between corresponding 46 fixing sleeve 466 of first limiter and sliding tube 461.Often
One card-bit part 61 includes sequentially connected sliding bar 611, screens axle 613 and clamping block 615.Two 61 sliding bars 611 of card-bit part
Free terminal be slidably inserted in the guide sleeve 467 of corresponding first limiter 46 respectively, and with fixing sleeve 466 interval set
It sets.Return unit 63 is spring, and two return units 63 are socketed on respectively on two sliding bars 611, opposite the two of each return unit 63
End is connected with screens axle 613 and fixing sleeve 466 respectively, and under the action of return unit 63, two screens axles 613 are driven with two respectively
The driving portion 491 of lever 49 offsets, and the clamping block 615 of two card-bit parts 61 is each passed through the sliding eye on two driving portions 491
A clamping is selected with the detent portion 421 on two guiding axis 42 after 492.In the present embodiment, it is also opened up on each sliding tube 461
There are the avoid holes 4611 (Figure 19) passed through for clamping block 615.
Actuator 65 connects two card-bit parts 61, to drive two card-bit parts 61 to move toward one another in triggering, so that
Clamping block 615 and detent portion 421 are detached from.Referring again to Figure 18, in the present embodiment, actuator 65 includes two columns
651, two crossbeams, 653, two braces 655 and flexible connector 657.Two columns 651 are vertical with two screens axles 613 respectively
Connection, one end of two crossbeams 653 connect with two columns 651 respectively, one end of two braces 655 respectively with two crossbeams
653 free terminal rotation connection, the free terminal of two braces 655 pass through pivot part 658 and corresponding first limiter 46
Fixing sleeve 466 is rotatably connected, and the free terminal of two braces 655 is compared with crossbeam 653 close to power shift gear 44.In this reality
It applies in mode, pivot part 658 is shaft.The opposite end of flexible connector 657 is connect with two braces 655 respectively.Elasticity is even
Fitting 657 is preferably using sheet metal or wirerope etc..
Please also refer to Figure 13, actuator 48 is connect with first limiter 46, and actuator 48 is to touch first limiter
Flexible connector 657 on 46, so that towards the direction far from power shift gear 44 elastic deformation occurs for flexible connector 657, into
And two braces 655 of drive rotate and close to each other, at this point, two braces 655, which pass through the crossbeam 653 being attached thereto, pulls two
Card-bit part 61 is close to each other, so that the detent portion 421 on clamping block 615 and guiding axis 42 is detached from, and return unit 63 is compressed；
After external force revocation, under the action of 63 elastic restoring force of return unit, two card-bit parts 61 can be moved towards the direction being located remotely from each other,
So that clamping block 615 is clamped again with the detent portion 421 on guiding axis 42.
Please also refer to Figure 19 to Figure 20, in the present embodiment, actuator 48 includes operating bar 481 and and operating bar
The frizzen 483 of 481 connections.One end of operating bar 481 and first limiter 46 are rotatablely connected, specifically: first limiter 46
A wherein sliding tube 461 on be further fixed on fixed block 468, fixed block 468 is located at the first connecting plate 463 and the second connecting plate
Between 464, one end of operating bar 481 and fixed block 468 are rotatablely connected, and other end direction is not provided with the sliding tube of fixed block 468
461 extend.Frizzen 483 and flexible connector 657 cooperate, to trigger flexible connector 657, tool when operating bar 481 rotates
Body are as follows: in the present embodiment, frizzen 483 is substantially vertical with operating bar 481, and frizzen 483 includes sequentially connected first
The body of rod 4831 and second body of rod 4833, the free terminal of first body of rod 4831 are connect with operating bar 481, and first body of rod 4831
Cross section is greater than the cross section of second body of rod 4833, and to form a stage portion (not indicating) in the two junction, frizzen 483 is logical
Stage portion is crossed to offset with flexible connector 657.It can be pushed by the stage portion of frizzen 483 when 481 Forced rotation of operating bar
Flexible connector 657, so that elastic deformation occurs for flexible connector 657 to drive two braces 655 rotation and close to each other, into
And two card-bit parts 61 are driven to be detached from corresponding detent portion 421 by two crossbeams 653.
In the present embodiment, second body of rod 4833 of frizzen 483 is also slidably connected with first limiter 46, specifically
Are as follows: mounting blocks 469 are further fixed on the second connecting plate 464 of first limiter 46；Perforation offers pilot hole on mounting blocks 469
4691 (Figure 18), the aperture of pilot hole 4691 are greater than the cross section of second body of rod 4833 and transversal less than first body of rod 4831
Face；Second body of rod 4833 sliding of frizzen 483 wears pilot hole 4691.This kind setting can not only be to the fortune of frizzen 483
Action-oriented so that its movement is more steady, but also can limit the movement of stage portion, prevent flexible connector 657
Excessive deformation.
Actuator 48 further includes reset spring 485, the opposite end of reset spring 485 respectively with operating bar 481 and first
Limiter 46 connects, the reset to actuator 48.Specifically, in the present embodiment, one end of reset spring 485 and first
The sliding tube 461 that limiter 46 is not fixed to fixed block 468 connects, and the other end is connect with operating bar 481.
Referring again to Figure 13 and Figure 14, elastic component 47 is socketed on shifting shaft 41, the opposite end difference of elastic component 47
It is connected with second limiter 45 and first limiter 46.In the present embodiment, elastic component 47 is spring, and elastic component 47 is set in
On shifting shaft 41, and the opposite end of elastic component 47 respectively with the limit plate 453 of second limiter 45 and first limiter 46
Second connecting plate 464 is connected.
Please referring also to Figure 17 and Figure 19, each first limiter 46 are equipped with an at least pull lever 5, each pull lever 5
One end connected with corresponding first limiter 46, the other end is across power shift gear 44 and can be with the second of another driving assembly
Limiter 45 matches, to pull the second limiter 45.In the present embodiment, the pull lever in two first limiters 46
5 are located at the opposite sides of shifting shaft 41.Each first limiter 46 is equipped with two pull lever 5, each first limiter
Two pull lever 5 on 46 are located at the opposite sides of power shift gear 44 so that its to the pulling of second limiter 45 more
Add steady.Each pull lever 5 is parallel with shifting shaft 41, specifically, in the present embodiment, pull lever 5 include the body of rod 51 and
Pushing block 54, the body of rod 51 is parallel with shifting shaft 41 and guiding axis 42, one end of the body of rod 51 and the first of corresponding first limiter 46
Connecting plate 463 is fixedly connected, and the free terminal of the body of rod 51 is across power shift gear 44 and towards the second limiter of another driving assembly
45 extend, and pushing block 54 is vertically formed at the free terminal of the body of rod 51 and prolongs towards the second limiter of another driving assembly 45
It stretches, to match with the second limiter 45 of another driving assembly, and then pulls the second limiter 45.
The shift speed change process for briefly describing speed changer 300 in lower second embodiment of the invention below, please also refer to
Figure 12, at this point, two sub- gears 441,443 of power shift gear 44, which are in, agrees with state, and sub- gear 441 be located at rightmost
Equipment gear 35 engages, and sub- gear 443 is engaged with carrier gear 25 is located in the middle, at this point, power being capable of driven power input shaft
21 drive to power output shaft 31.When needing shift speed change, such as in Figure 12, it is required that power shift gear 44 and rightmost
Carrier gear 25 and positioned at the right equipment gear 35 engage, when realizing speed change, firstly, rotation Figure 14 view in be located at the right
Operating bar 481, operating bar 481 drive frizzen 483 move right, in the process, the stage portion of frizzen 483 compresses bullet
Property connector 657；Elastic deformation occurs for flexible connector 657, two braces 655 rotation and close to each other is pulled, so that two
Brace 655 drive two crossbeams 653 move toward one another, with drive two card-bit parts 61 it is close to each other and on corresponding guiding axis 42
Detent portion 421 be detached from clamped condition, at this point, be located at Figure 14 on the right side of first limiter 46 can stress with respect to shifting shaft 41 shifting
It is dynamic.The first limiter 46 for being located at right side is pushed to move right by operating bar 481, so that two sub- gears 441,443 are mutually
It separates to be detached from and agree with state, at this time power interruption, until sub- gear 441 is engaged with the carrier gear 25 for being located at rightmost,
During this, the first limiter 46 positioned at right side is located at 45 1 pieces of the second limiter in left side to the right by the drive of pull lever 5
It is mobile, and compress the elastic component 47 for being located at left side.When second limiter 45 positioned at left side moves right, with the second limiter
The drive rods 49 of 45 connections also move right therewith, and by the corresponding card-bit part 61 of slope driving of its driving portion 491 towards remote
Direction from guiding axis 42 is mobile.When group gear 441 is engaged with the carrier gear 25 for being located at rightmost, driving portion 491 is lucky
Corresponding card-bit part 61 is pushed to be detached from corresponding detent portion 421, to allow the first limiter 46 positioned at left side in left side bullet
Property part 47 promotion under move right, and the sub- gear 443 that connect with left side first limiter 46 is driven also to move right therewith
Until agreeing with sub- gear 441, at this point, sub- gear 443 is engaged with the equipment gear 35 for being located at the rightmost side, shift speed change is realized.
During in left side, first limiter 46 is moved right, the relatively corresponding drive rod 49 of the meeting of card-bit part 61 positioned at left side is turned right
Movement, so that card-bit part 61 is no longer influenced by compressing for 49 driving portion 491 of drive rod, at this point, card-bit part 61 can accordingly reset
Moved under the action of part 63 towards guiding axis 42, with to the clamping of detent portion 421 of corresponding gear on guiding axis 42, when being applied to the right side
After external force revocation on side actuator 48, the card-bit part 61 in right side first limiter 46 can be in corresponding return unit 63
It is moved under effect towards guiding axis 42, to be clamped to the detent portion 421 of corresponding gear on guiding axis 42, thus by power shift gear 44
It is located in the speed change gear.
Power shift gear 44 is divided into two by above-mentioned shift assembly 200, the sub- gear 441 of two respectively mutually agreed with,
443.When shift, when two sub- gears 441,443 separate, power interruption, and in kinetic energy conversion, two sub- gears 441,
443 successively engage with power input gear group 2 and power output gear group 3, therefore, compared to the prior art in power shift gear
44 modes engaged simultaneously with power input gear group 2 and power output gear group 3, can disperse suffered by power shift gear 44
Pressure reduces the abrasion that power shift gear 44 is subject in shift, and then can be improved the service life of power shift gear 44.
The present invention furthermore provides a kind of vehicle with above-mentioned shift assembly 200.
It is appreciated that speed changer 100 may also include other elements, for example, shell etc., belongs to the prior art, to omit
Length is not described in detail here.
It is appreciated that in other embodiments, elastic component 47 can also be socketed on guiding axis 42, as long as by elastic component
47 opposite end links together with first limiter 46 and second limiter 45 respectively.
It is appreciated that in other embodiments, first limiter 46 can also be only set on shifting shaft 41.Second limit
Position device 45 can be only socketed on guiding axis 42.
It is appreciated that in other embodiments, a guiding axis 42 can also only be arranged.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (10)
1. a kind of speed changer, including power input gear group, power output gear group and shift assembly, shift assembly are defeated by power
Enter gear set to be coupled with power output gear group to selectively change the gear ratio of the speed changer, which is characterized in that described
Shift assembly includes:
Shifting shaft；
Power shift gear, the sub- gear that can mutually agree with including two, two sub- gears are rotationally socketed on the shifting shaft
On, and can be moved along the shifting shaft；
Shift actuator, the shift actuator are connect with two sub- gears, to drive two sub- gears to move along the shifting shaft
It is dynamic so that two sub- gears separate, and according to preset sequencing respectively with power input gear group and power output
Gear set coupling, then two sub- gears are mutually agreed with to realize shift transmission.
2. speed changer as described in claim 1, which is characterized in that the shift actuator includes:
Guiding axis, guiding axis is parallel with the shifting shaft, is equipped at intervals with several detents according to preset gear number on guiding axis
Portion；
Two driving assemblies, two driving assemblies are located at the opposite end of power shift gear, and each driving assembly includes:
First limiter, first limiter are slidably socketed on the shifting shaft, the first limiter point of two driving assemblies
It is not rotatablely connected with two sub- gears, two first limiter stress are able to drive corresponding sub- tooth when moving along the shifting shaft
Wheel movement；First limiter is equipped with locking mechanism, and the locking mechanism includes card-bit part and return unit, and card-bit part passes through reset
Part is connected with corresponding first limiter, and selects a clamping with the detent portion of guiding axis under the action of return unit；And
Second limiter, second limiter are slidably socketed on the shifting shaft and/or guiding axis, and are located at corresponding first limit
For position device backwards to the side of power shift gear, second limiter is equipped with the drive rod extended towards power shift gear, the drive rod towards
The side of shifting shaft is equipped with driving portion, and the card-bit part of the driving portion and corresponding first limiter cooperates, the drive rod from
Pulling department, the first limiter cooperation of the pulling department and respective drive component are equipped with by end；And
The opposite end of elastic component, elastic component is connected with second limiter and first limiter respectively；
Pull lever, the pull lever link together the second limiter of two driving assemblies；
Wherein, two second limiter stress can be moved along shifting shaft in the same direction, to allow two second limiters
Drive rod pushes the card-bit part in two first limiters to be successively detached from corresponding detent portion and is clamped by driving portion, the drive
Lever can also pull corresponding first limiter shifting gears after corresponding card-bit part and detent portion are detached from clamping by pulling department
It is moved on axis.
3. speed changer as claimed in claim 2, it is characterised in that: the card-bit part includes sequentially connected sliding bar, detent
Axis and clamping block, one end of the sliding bar are slidably connected with corresponding first limiter, and can be in the side of vertically-guided axis
To reciprocating motion；The return unit is socketed on the sliding bar, and both ends respectively with screens axle and the first limiter phase
Even；The clamping block selects a clamping to the detent portion with guiding axis；The driving portion includes being sequentially connected and being gradually distance to change
The first plane, the first inclined-plane, joint face, the second inclined-plane and the second plane of gear are kept off, the first plane and the second plane are located at same
On one straight line and identical at a distance from shifting shaft, the first inclined-plane, joint face and the second inclined-plane surround a groove structure jointly, and first
Projected length of the inclined-plane on guiding axis is less than projected length of second inclined-plane on guiding axis；It is penetrated through on the drive rod
The sliding eye passed through for clamping block is offered, when the clamping block and the detent portion are clamped, the screens axle and the connection
Face contact；When the clamping block is located in first plane or second plane, the clamping block and corresponding detent portion
It is detached from clamping.
4. speed changer as described in claim 1, it is characterised in that: the free terminal of the drive rod is bent to form the pulling
Portion, when mobile towards the direction far from the power shift gear in the second limiter, the pulling department can be with corresponding first
Limiter offsets, to pull the first limiter to move.
5. speed changer as described in claim 1, it is characterised in that: the pull lever includes the body of rod and is connected to pull lever
Two link blocks of opposite end, the body of rod is parallel with the guiding axis, and two link blocks are slidably socketed on same lead
It is connect on axis, and respectively with two second limiters.
6. speed changer as described in claim 1, it is characterised in that: wherein the end face of a sub- gear is equipped with clamping protrusion, another
Clamping groove is correspondingly provided on the end face of sub- gear, clamping protrusion is clamped with clamping groove, two sub- gears are removably agreed with
Together.
7. speed changer as claimed in claim 6, it is characterised in that: clamping protrusion is including prism portion and is connected to prism portion one end
Arc angling portion, the one end of prism portion far from arc angling portion is fixedly connected with sub- power shift gear, and clamping groove is and prism portion
The prism hole being used cooperatively.
8. speed changer as described in claim 1, which is characterized in that the shift actuator includes:
Guiding axis, guiding axis is parallel with shifting shaft, is equipped at intervals with several detent portions according to preset gear number on guiding axis；
Two driving assemblies, two driving assemblies are located at the opposite end of power shift gear, and each driving assembly includes:
First limiter, first limiter are slidably socketed on the shifting shaft, the first limiter point of two driving assemblies
It is not rotatablely connected with two sub- gears, first limiter stress is able to drive corresponding sub- gear and moves when moving along the shifting shaft
It is dynamic；
Second limiter, second limiter are slidably socketed on the shifting shaft, and are located at corresponding first limiter backwards
The side of the power shift gear, second limiter are equipped with the drive rod extended towards power shift gear, and the drive rod is towards shift
The side of axis is equipped with driving portion；
Locking mechanism, locking mechanism are installed in first limiter, and each locking mechanism includes card-bit part, return unit and driving
Part, card-bit part are connected with corresponding first limiter by return unit, and under the action of return unit with the detent portion of guiding axis
A clamping is selected, card-bit part can also be detached from detent portion under the promotion of corresponding driving portion and be clamped；Actuator and the card-bit part
Connection, the actuator is able to drive card-bit part when being triggered and detent portion is detached from；And
Actuator, actuator are connect with first limiter, to trigger actuator, with the first limit for allowing to connect with the actuator
Position device and the sub- gear connecting with the first limiter are moved along shifting shaft；
The opposite end of elastic component, elastic component is connected with second limiter and first limiter respectively；And
Pull lever, at least provided with a pull lever, one end of the pull lever and corresponding first in each first limiter
Limiter connection, the other end of pull lever across power shift gear to be matched with the second limiter of another driving assembly, with draw
Move the second limiter.
9. a kind of shift assembly, which is characterized in that the shift assembly includes:
Shifting shaft；
Power shift gear, the power shift gear include two sub- gears that can mutually agree with, and two sub- gears are rotationally socketed
In on the shifting shaft, and can be moved along the shifting shaft；
Shift actuator, the shift actuator are connect with two sub- gears, to drive two sub- gears to move along the shifting shaft
It is dynamic, agree with again so that two sub- gears first separate to realize shift transmission.
10. a kind of vehicle, which is characterized in that including speed changer according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606281.8A CN110219950B (en) | 2019-07-05 | 2019-07-05 | Gear shifting assembly, transmission with same and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606281.8A CN110219950B (en) | 2019-07-05 | 2019-07-05 | Gear shifting assembly, transmission with same and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110219950A true CN110219950A (en) | 2019-09-10 |
| CN110219950B CN110219950B (en) | 2024-08-02 |
Family
ID=67812753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910606281.8A Active CN110219950B (en) | 2019-07-05 | 2019-07-05 | Gear shifting assembly, transmission with same and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110219950B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1770315A1 (en) * | 2005-09-30 | 2007-04-04 | HONDA MOTOR CO., Ltd. | Transmission |
| CN101655150A (en) * | 2009-09-27 | 2010-02-24 | 杜良智 | Manual/automatic gearbox for mutually floating gear |
| DE102012219361A1 (en) * | 2011-11-15 | 2013-05-16 | Schaeffler Technologies AG & Co. KG | Fluid system i.e. hydraulic oil system, for powertrain of motor car, has fluid displacement unit representing transmission element in powertrain and comprising controller for to- and/fro flowing volumetric stream |
| CN203979295U (en) * | 2014-03-31 | 2014-12-03 | 重庆隆旺机电有限责任公司 | Power taking gearshift type speed changer |
| CN109838513A (en) * | 2018-12-25 | 2019-06-04 | 重庆先友科技开发有限公司 | Vehicle self shifter drive system |
| CN210484522U (en) * | 2019-07-05 | 2020-05-08 | 覃子飞 | Gear shifting assembly, transmission with same and vehicle |
-
2019
- 2019-07-05 CN CN201910606281.8A patent/CN110219950B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1770315A1 (en) * | 2005-09-30 | 2007-04-04 | HONDA MOTOR CO., Ltd. | Transmission |
| CN101655150A (en) * | 2009-09-27 | 2010-02-24 | 杜良智 | Manual/automatic gearbox for mutually floating gear |
| DE102012219361A1 (en) * | 2011-11-15 | 2013-05-16 | Schaeffler Technologies AG & Co. KG | Fluid system i.e. hydraulic oil system, for powertrain of motor car, has fluid displacement unit representing transmission element in powertrain and comprising controller for to- and/fro flowing volumetric stream |
| CN203979295U (en) * | 2014-03-31 | 2014-12-03 | 重庆隆旺机电有限责任公司 | Power taking gearshift type speed changer |
| CN109838513A (en) * | 2018-12-25 | 2019-06-04 | 重庆先友科技开发有限公司 | Vehicle self shifter drive system |
| CN210484522U (en) * | 2019-07-05 | 2020-05-08 | 覃子飞 | Gear shifting assembly, transmission with same and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110219950B (en) | 2024-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210484522U (en) | Gear shifting assembly, transmission with same and vehicle | |
| JP2008519665A5 (en) | ||
| CN106917814B (en) | Rotating shaft and electronic equipment | |
| CN103907245A (en) | Power supply connector | |
| EP3812254A1 (en) | Battery assembly | |
| CN110219950A (en) | Shift assembly, speed changer and vehicle with the shift assembly | |
| CN203082136U (en) | Automatic speed changer | |
| CN209681370U (en) | A kind of soldering gun | |
| CN117167570A (en) | Valve quick connector with non-return device and use method | |
| KR101513722B1 (en) | Spring operation device of circuit breaker | |
| CN113048137A (en) | Steel wire and transmission shaft connecting structure, surgical robot and method | |
| CN207647319U (en) | Charging pile electronic lock | |
| CN105065662A (en) | Gear shifting device of two-gear transmission of electric vehicle | |
| CN204715896U (en) | A kind ofly return arrangement of clutch based on the spiral of bi-motor module | |
| CN107887198B (en) | Interlocking device for door body of switch cabinet | |
| CN114849182A (en) | Training glove and automatic butt joint and release control method | |
| CN112728245B (en) | Connecting flange | |
| CN217951046U (en) | Ultrahigh-speed porous flexible coupling | |
| KR20100133145A (en) | One way power transmission apparatus | |
| CN105065654A (en) | Two-gear gearbox of electric vehicle | |
| CN110155482A (en) | A kind of Large Scale Cold Kuku plate handling device and its construction technology | |
| CN216289268U (en) | High-reliability data connector | |
| CN110454659A (en) | A kind of monitoring device | |
| CN212672614U (en) | Long-life metal collapsible tube | |
| JP2019125571A (en) | Mechanism for securing connector device to mating connector device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240708 Address after: No. 309, Building A, Shengtang Zhenpin Community, No. 34 Fengda Road, High tech Zone, Nanning City, Guangxi Zhuang Autonomous Region 530000 Applicant after: Guigang Worston Technology Co.,Ltd. Country or region after: China Address before: No. 87, shantangtun, Xingzhong village, Qishi Township, Gangbei District, Guigang City, Guangxi Zhuang Autonomous Region Applicant before: Qin Zifei Country or region before: China |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |