CN106763733B - A kind of vehicular transmission gear shift is parked mechanism assembly - Google Patents
A kind of vehicular transmission gear shift is parked mechanism assembly Download PDFInfo
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- CN106763733B CN106763733B CN201710088605.4A CN201710088605A CN106763733B CN 106763733 B CN106763733 B CN 106763733B CN 201710088605 A CN201710088605 A CN 201710088605A CN 106763733 B CN106763733 B CN 106763733B
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- shift
- hub range
- range shift
- cam
- parking
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/3069—Interrelationship between two or more final output mechanisms
- F16H2063/3073—Interrelationship between two or more final output mechanisms final output mechanisms mounted on a single shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3076—Selector shaft assembly, e.g. supporting, assembly or manufacturing of selector or shift shafts; Special details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3089—Spring assisted shift, e.g. springs for accumulating energy of shift movement and release it when clutch teeth are aligned
Abstract
Park mechanism assembly the invention discloses a kind of vehicular transmission gear shift, including interior hub range shift, the first ball bearing, cam of parking reverse return spring, cam of parking, snap ring, outer hub range shift, compression spring and the second ball bearing；Park cam of the empty set on interior hub range shift is installed between first ball bearing and the second ball bearing and reverses return spring, park cam and outer hub range shift are also equipped between first ball bearing and the second ball bearing, cam empty set of parking carries out axial limiting on interior hub range shift by spacer pin, the outer hub range shift empty set carries out circumferential spacing on interior hub range shift and by gear shift pin, the left and right ends of outer hub range shift are both provided with compression spring, and the other end for cam of parking is connected to compression spring by the spacing snap ring of axially mounted progress.Vehicular transmission gear shift mechanism assembly of parking integrates shifted function and parks function, can be applied to hand shift or motor driving fluid drive operation.
Description
Technical field
It is specifically that a kind of vehicular transmission gear shift is parked mechanism assembly the present invention relates to transmission technology field.
Background technology
First, all-terrain vehicle serves many purposes, such as beach buggy, snowmobile, field vehicle, military cross-country, field rescue,
And from the limitation of road conditions, wider in various applications, its application range increases year by year, and has and spread to becoming for the whole world
Gesture.It is adapted to the all-terrain vehicle technology that region travels beyond highway to still suffer from very big development space, it is either military or civilian
Market all has very big demand；With social progress and development, frequent with Global Natural Disasters occurs, to full landform
Requirement be also continuously improved, be faced with the challenge of bigger；To make all-terrain vehicle adaptability stronger, before functional requirement is met
Put, structure, space and the weight of itself need to be simplified as far as possible, each parts multipotency as far as possible is highly integrated；Secondly,
As the whole world steps up motor vehicle emission requirement and standard, new-energy automobile, as electric automobile, hybrid vehicle will be into
For the trend and mainstream of development of automobile, corresponding new-energy automobile speed changer will tend to few shelves（Such as two grades or one grade）, again
Measure the direction such as light and small to develop, therefore the present invention provides and a kind of integrate shifted function and park the automobile-used of function
Shifting of transmission is parked mechanism assembly, can be applied to hand shift or motor driving fluid drive operation.
The content of the invention
Park mechanism assembly it is an object of the invention to provide a kind of vehicular transmission gear shift, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical solution：
A kind of vehicular transmission gear shift is parked mechanism assembly, including interior hub range shift, the first ball bearing, cam of parking reverse back
Position spring, cam of parking, snap ring, outer hub range shift, compression spring and the second ball bearing；First ball bearing and the second ball bearing
Between be provided with empty set on interior hub range shift park cam reverse return spring, also installed between the first ball bearing and the second ball bearing
Park cam and outer hub range shift, cam empty set of parking carries out axial limiting on interior hub range shift by spacer pin, described outer to change
Shelves hub empty set is on interior hub range shift and circumferential spacing by the progress of gear shift pin, and cam of parking reverses return spring and is located at the first ball axis
Hold and park between cam, the left and right ends of outer hub range shift are both provided with compression spring, and pressure spring set is on interior hub range shift, pool
The other end of car cam is connected to compression spring by the spacing snap ring of axially mounted progress；Interior hub range shift passes through the first ball bearing
And second ball bearing supporting be installed on case of transmission bearing hole, and by the O-ring installed in interior hub range shift both ends to speed change
Device housing and interior hub range shift are sealed, and when interior hub range shift rotates, promote cam of parking to rotate by spacer pin, gear shift pin pushes away
Dynamic outer hub range shift rotation and axial movement.
As the further scheme of the present invention：One end of the interior hub range shift be equipped be used for input driving moment spline and
For the screw thread of fixed input opponent's part, the both ends of interior hub range shift are both provided with the first groove for mounting O-shaped rings, interior gear shift
The second groove that return spring is reversed for installing cam of parking is provided with hub, is provided with interior hub range shift spacing for installing
Two holes of pin and gear shift pin, the position in two holes is corresponding with the position of spacer pin and gear shift pin, is provided with interior hub range shift
For driving the first spiral guide hole of selector fork；The card for carrying out axial limiting to compression spring is provided with interior hub range shift
The snap ring mounting groove of ring installation；The serrate slot for the positioning of gear shift positioning seat is provided with interior hub range shift；Interior hub range shift it is another
End is provided with the flat for installing gear position sensor and the annular groove for fixing gear position sensor；Described first
Spiral guide hole is equipped with the buffering area for gear shift buffer synchronisation.
As the further scheme of the present invention：The interior hub range shift is equipped with four square holes, and four square holes are positioned at peace
Fill the region of outer hub range shift and two compression springs；The cam of parking reverses return spring and is equipped with orientation and spacing inserts
Foot, for keeping park cam work state and the crotch structure of reset；The cylindrical of the cam of parking has top pressure effect
Convex closure, be provided with the circular cylinder for cam of parking for axial limiting and the first kidney-shaped of operation interval revolution or return
Hole；The compression spring employs flush end to pushing up wavy spring structure.
As the further scheme of the present invention：The circular cylinder of the outer hub range shift is equipped with spacing for circumferencial direction
Second kidney slot, is additionally provided with for gear shift and the second spiral guide hole parked on the circular cylinder of the outer hub range shift.
As the further scheme of the present invention：Cam and the interior hub range shift of parking be clearance fit, by spacer pin and
Interior hub range shift interference fit, the cam that will park is limited to the corresponding position of interior hub range shift, and reverses return bullet by cam of parking
Spring and cam installation of parking, which coordinate, to be realized to cam pretension of parking, and when cam of parking car working status on the berth, is changed relative to interior
Shelves hub opposite rotary motion in kidney slot limited range, non-working status of parking are rotated synchronously with interior hub range shift.
As the further scheme of the present invention：The outer hub range shift and interior hub range shift be clearance fit, by gear shift pin and
The interference fit of interior hub range shift, the first spiral guide hole on the interior hub range shift and the second spiral guide hole pair on outer hub range shift
Together, and axial limiting is carried out by compression spring and the external hub range shift of snap ring and applies pretightning force, gear shift pin is in outer hub range shift
In the middle part of kidney slot, when performing gear-change operation, hub range shift promotes outer hub range shift to rotate at the same time in kidney slot by gear shift pin in rotation
Rectilinear movement in limited range.
As the further scheme of the present invention：The interior hub range shift is equipped with multiple first threaded holes, the interior hub range shift
On multiple outer hub range shifts are installed, be both provided with the second threaded hole on each outer hub range shift, multiple first threaded holes are respectively with the
The alignment installation of two threaded holes.
Compared with prior art, the beneficial effects of the invention are as follows：
Vehicular transmission gear shift mechanism assembly design of parking is reasonable, compact-sized, be it is a kind of collect shifted function and
Function of parking is parked mechanism assembly in the vehicular transmission gear shift of one, can be applied to hand shift or motor driving from moving
Shelves operation；Compared with traditional gear selection mechanism and shift mechanism are driven by respective motor respectively, the present invention only needs a motor
It can be achieved, there is obvious cost advantage；And by the simply optimization of part belonging to the present invention and quantity increase, you can realize
The functions expanding of the present invention, the speed changer applied to multiple drive shifts.
Brief description of the drawings
Fig. 1 is structure diagram of the present invention under neutral state；
Fig. 2 is the B-B sectional views of Fig. 1.
Fig. 3 is the C-C sectional views of Fig. 1；
Fig. 4 is the D-D sectional views of Fig. 1；
Fig. 5 is the E-E sectional views of Fig. 1；
Fig. 6 is the expanded view of the spiral guide hole of the second gear shift in the present invention；
Fig. 7 is B-B sectional view of the present invention under drive shift state.
Fig. 8 is C-C sectional view of the present invention under drive shift state；
Fig. 9 is D-D sectional view of the present invention under drive shift state；
Figure 10 is E-E sectional view of the present invention under drive shift state；
Figure 11 is B-B sectional view of the present invention under reverse gear state.
Figure 12 is C-C sectional view of the present invention under reverse gear state；
Figure 13 is D-D sectional view of the present invention under reverse gear state；
Figure 14 is E-E sectional view of the present invention under reverse gear state；
Figure 15 is the B-B sectional views under present invention car stop state on the berth.
Figure 16 is the C-C sectional views under present invention car stop state on the berth；
Figure 17 is the D-D sectional views under present invention car stop state on the berth；
Figure 18 is the E-E sectional views under present invention car stop state on the berth；
Figure 19 is the front view of interior hub range shift 10 in the present invention；
Figure 20 is the side view of interior hub range shift 10 in the present invention；
Figure 21 is the partial structural diagram of interior hub range shift 10 in the present invention.
Figure 22 is the F-F sectional views of interior hub range shift 10 in the present invention；
Figure 23 is the expanded view of the spiral guide hole of the first gear shift in the present invention；
Figure 24 reverses the front view of return spring for cam of parking in the present invention；
Figure 25 reverses the side view of return spring for cam of parking in the present invention；
Figure 26 is the front view of cam of parking in the present invention；
Figure 27 is the side view of cam of parking in the present invention；
Figure 28 is the front view of compression spring in the present invention；
Figure 29 is the side view of compression spring in the present invention；
Figure 30 is one of structure diagram of China and foreign countries' hub range shift of the present invention；
Figure 31 is the second structural representation of China and foreign countries' hub range shift of the present invention；
Figure 32 is the optimization structure diagram of the present invention；
Figure 33 is the B-B sectional views of the optimization structure of the present invention.
Figure 34 is the C-C sectional views of the optimization structure of the present invention；
Figure 35 is the D-D sectional views of the optimization structure of the present invention；
Figure 36 is the G-G sectional views of the optimization structure of the present invention；
Figure 37 is the E1-E1 sectional views of the optimization structure of the present invention；
Figure 38 is the expanded view of the second spiral guide hole a in optimization structure of the invention；
Figure 39 is the expanded view of the second spiral guide hole b in optimization structure of the invention.
Wherein：Hub range shift in 10-；Hub range shift a in 10a-；11- splines；11a- screw threads；The first grooves of 12-；13- holes；14-
Snap ring mounting groove；The first spiral guide holes of 15-；The spiral guide hole a of 15a- first；The spiral guide hole b of 15b- first；16- flats；16a- cards
Annular groove；17- serrate slots；17a- serrate slots a；The second grooves of 18-；19- square holes；The first ball bearings of 20-；30- park cam torsion
Turn return spring；31- pins；32- crotch structures；40- parks cam；The first kidney slots of 41-；42- convex closures；50- snap rings；60-
Outer hub range shift；The outer hub range shift a of 60a-；The outer hub range shift b of 60b-；The second kidney slots of 61-；The second spiral guide holes of 62-；The second spiral shells of 62a-
Revolve guide hole a；The spiral guide hole b of 62b- second；70- compression springs；The second ball bearings of 80-；90-O type circles；100- gear shift pins；110-
Spacer pin；120- ratchet springs；130- parks pawl；140- parks gear；The first selector forks of 150-；160- gear shift positions
Seat；170- the second gear shift forks；01- forward gears；011- forward gears A；012- forward gears B；013- forward gears C；02- neutral gears；03-
Reverse gear；04- parks shelves；05- buffering areas.
Embodiment
The technical solution of this patent is described in more detail with reference to embodiment.
Please refer to Fig.1-3, a kind of vehicular transmission gear shift is parked mechanism assembly, including interior hub range shift 10, the first ball bearing
20th, cam of parking reverses return spring 30, cam 40 of parking, snap ring 50, outer hub range shift 60,70 and second ball bearing of compression spring
80；Park cam of the empty set on interior hub range shift 10 is installed between first ball bearing, 20 and second ball bearing 80 and reverses return
Spring 30, is also equipped with park cam 40 and outer hub range shift 60 between the first ball bearing 20 and the second ball bearing 80, cam 40 of parking
Empty set carries out axial limiting on interior hub range shift 10 by spacer pin 110, and outer 60 empty set of hub range shift is on interior hub range shift 10
And being carried out by gear shift pin 100 circumferential spacing, cam of parking reverses return spring 30 positioned at the first ball bearing 20 and cam of parking
Between 40, the left and right ends of outer hub range shift 60 are both provided with compression spring 70, and 70 sets of compression spring is parked on interior hub range shift 10
The other end of cam 40 is connected to compression spring 70 by the spacing snap ring 50 of axially mounted progress；
Spacer pin 110 radially is installed on the cam 40 of parking, passes through spacer pin 110 and interior 10 interference of hub range shift
Coordinate, will park cam 40 and cam of parking reverse return spring 30 and be installed on interior 10 corresponding function position of hub range shift；It is described outer
Gear shift pin 100 radially is installed, the gear shift pin 100 is interference fitted with interior hub range shift 10, passes through gear shift on hub range shift 60
Pin 100 is interference fitted with interior hub range shift 10 and the fixing of snap ring 50, and outer hub range shift 60 and compression spring 70 are installed on interior gear shift
10 corresponding functional part of hub；When interior hub range shift 10 rotates, cam 40 of parking is promoted to rotate by spacer pin 110, gear shift pin
100 promote outer hub range shift 60 to rotate and move axially；Interior hub range shift 10 is supported by the first ball bearing 20 and the second ball bearing 80
It is installed on case of transmission bearing hole, and to case of transmission and interior is changed by the O-ring 90 installed in interior 10 both ends of hub range shift
Shelves hub 10 is sealed, and prevents oil leak, while speed changer internal lubrication oil can be made full use of to moisten each movable part
It is sliding；
One end of interior hub range shift 10 is equipped with the spline 11 for being used for inputting driving moment and the spiral shell for fixed input opponent's part
Line 11a, the both ends of interior hub range shift 10 are both provided with the first groove 12 for mounting O-shaped rings 90, are provided with interior hub range shift 10
The second groove 18 of return spring 30 is reversed for installing cam of parking, is provided with interior hub range shift 10 for installing spacer pin
110 and two holes 13 of gear shift pin 100, the position in two holes 13 is corresponding with the position of spacer pin 110 and gear shift pin 100, interior
The first spiral guide hole 15 for driving the first selector fork 150 is provided with hub range shift 10；Use is provided with interior hub range shift 10
In the snap ring mounting groove 14 that the snap ring 50 that axial limiting is carried out to compression spring 70 is installed；It is provided with interior hub range shift 10 for changing
The serrate slot 17 that shelves positioning seat 160 positions；The other end of interior hub range shift 10 is provided with for installing the flat of gear position sensor
Side 16 and the annular groove 16a for fixing gear position sensor；The first spiral guide hole 15, which is equipped with, is used for gear shift buffering together
The buffering area of step；Additionally as the preferred solution of the present invention, four square holes 19 are had additional on interior hub range shift 10, four
A square hole 19 can use the middle part hollow out of this part positioned at the region for installing outer hub range shift 60 and two compression springs 70
Casting technique, further to mitigate the weight of the present invention, reduces material consumption, reduces manufacture cost；The cam of parking reverses return
Spring 30 is equipped with orientation and spacing pin 31, for keeping park 40 working status of cam and the crotch structure of reset
32,30 sets of return spring is reversed on interior hub range shift 10, and the second groove 18 of pin 31 and interior hub range shift 10, which coordinates, to carry out circumferentially
Spacing, crotch structure 32 and cam 40 of parking coordinate the circumferential direction reset realized to cam 40 of parking, and reverse return spring 30 and install
After will keep certain pretightning force；The cylindrical convex closure 42 for having a top pressure to act on of the cam 40 of parking, top pressure is moored during for parking
Car pawl 130, first for axial limiting and operation interval revolution or return is provided with the circular cylinder for cam 40 of parking
Kidney slot 41；The compression spring 70 employ flush end to push up wavy spring structure, outer 60 stress of hub range shift can be made evenly,
Gear shift is more smooth；The circular cylinder of the outer hub range shift 60, which is equipped with, is used for the second spacing kidney slot 61 of circumferencial direction, makes outer
Hub range shift 60 can move axially in the range of the restriction of the second kidney slot 61, be additionally provided with the circular cylinder of the outer hub range shift 60
For gear shift and the second spiral guide hole 62 parked.
Interior hub range shift 10 receives the gear shift torque of input by spline 11a and rotates, and cam of parking is driven by spacer pin 110
40, drive outer hub range shift 60 to rotate synchronously by gear shift pin 100, pass through the first spiral guide hole 15 of interior hub range shift 10 and outer hub range shift
60 the second spiral guide hole 62 drives the first selector fork 150, and the rotary motion of interior hub range shift 10, outer hub range shift 60 is converted to
The linear motion of first selector fork 150, the first selector fork 150 can be by the shifting axles that are installed on housing（It is called cunning
Rail）Installation, i.e., can axially be moved linearly, this is existing mature technology, so as to fulfill changing by shift fork hole empty set on shifting axle
Shelves operate, and the serrate slot 17 on interior hub range shift 10 is equipped with drive shift, neutral gear, reverse gear, shelves totally four functional locations of parking, serrate slot
17 be to be used for locking gear, is to be corresponded to design according to the functional part of the first spiral 15 and second spiral guide hole 62 of guide hole,
I.e. spiral guide hole, which rotates a certain angle, reaches a certain gear, and corresponding design tooth profile groove carries out backset, by interior hub range shift 10
Serrate slot 17 coordinate and be installed on the gear shift positioning seat 160 of housing locking is carried out to corresponding gear, and then realize gear-change operation；When
Interior hub range shift 10 is gone to when parking function section, and cam of parking reverses return spring 30 and starts to work with cam 40 of parking, and parks
Cam 40 and pawl 130 of parking are parked pawl 130 by 42 top pressure of convex closure for cam 40 of parking to abut against cooperation, pawl of parking
130 are inserted into 140 teeth groove of gear of parking, while the spiral guide hole of interior hub range shift 10 and outer hub range shift 60 drives the first selector fork
150 retreat to neutral position, complete locking operation of parking；When releasing is parked, interior hub range shift 10 need to be only rotated to non-function of parking
Area, cam 40 of parking reverse return spring 30 in cam of parking and act on Regression initial position, and pawl 130 of parking is in ratchet spring
Under the action of 120, extracted from 140 teeth groove of gear of parking, return initial position, and then complete to release parking manoeuvres.
For gearshift procedure, describe in detail as follows：Outer hub range shift 60 drives selector fork to carry out axis by spiral guide hole 62
To rectilinear movement, when the tooth that the first selector fork 150 is driven is covered also not completely into gear, the first selector fork 150 will
The spiral guide hole 15 of spiral guide hole 62, interior hub range shift first in outer hub range shift and the gear shift positioning seat 160 for being installed on housing
Under collective effect, gear is first locked, outer hub range shift 60 compresses one end compression spring 70, and the first selector fork 150 will be in pressure bullet
Enter locked target gear under the action of spring 70 in due course, when the first selector fork 150 reaches target gear, compression spring 70
Recover initial equilibrium conditions, complete gear shift；During this whole gear switch, outer hub range shift 60 actually performs including choosing
Three shelves, synchronization and gear shift actions：During second spiral 62 and first spiral guide hole 15 of guide hole rotates, due to spiral spy
Property, rotating direction determines selected gear, the first selector fork 150 is axially moved linearly by predetermined gear, first
When selector fork 150 does not completely arrive at gear also, under the action of interior 10 gear shift torque of hub range shift, the first selector fork 150 is anti-
Outer hub range shift 60 is acted on, outer hub range shift 60 is compressed the compression spring 70 of one end, in the common of gear shift torque and spring pressure
Under effect, the first selector fork 150 is pushed into the 62 corresponding gear of spiral guide hole of outer hub range shift 60, while interior hub range shift is
One spiral guide hole 15 and it is installed under the collective effect of gear shift positioning seat 160 of housing, first lock onto target gear, outer gear shift at this time
First selector fork 150 will be pushed into target gear by hub 60 under the action of compression spring 70, while 60 both ends of outer hub range shift
Compression spring 70 restPoses, and completes whole gearshift procedure.
It can be seen from the above, gear selecting, gear shift, synchronization, locking gear level during the completion gear switch of the invention by speed changer
And the function of parking merges into a single whole, not only dexterously solve the problems, such as arrangement space, and reduce the quantity of parts,
The weight of transmission assembly is also reduced, reduces assembling manufacturing procedure, realizes the function of a multipotency, while reduces and adopts
Purchase cost.
The interior hub range shift 10 of the B-B cross sectional view shows of Fig. 1 and cam of parking reverse return spring 30 installment state and with
Opponent's part is parked ratchet spring 120, pawl 130 of parking, the structure for gear 140 of parking and and relative position relation；The C-C of Fig. 1
The interior hub range shift 10 of cross sectional view show, spacer pin 110 and cam 40 of parking installment state and with opponent's part park pawl 130,
Park the structure and relative position relation of gear 140；The interior hub range shift 10 of the D-D cross sectional view shows of Fig. 1, gear shift pin 100 with it is outer
The installment state of hub range shift 60, the spiral guide hole 15 of the first gear shift of interior hub range shift 10 with the second gear shift of outer hub range shift 60 is spiral leads
The relative position in hole 62, and the structure and relative position relation of the first selector fork of opponent's part 150；The E-E sectional view exhibitions of Fig. 1
Show the structure of interior 10 serrate slot 17 of hub range shift, drive shift, neutral gear, the locating slot distribution situation of reverse gear and shelves of parking, and it is right
The rolling element of hand part gear shift positioning seat 160 is with respect to the position relationship that serrate slot 17 abuts against；The spiral guide hole expanded view of gear shift, illustrates
The shape of the spiral guide hole of gear shift, and drive shift, neutral gear, the arrangement situation of reverse gear and shelves of parking.
Optimization and functions expanding as the present invention, newly establish two drive shift operating positions, the outer hub range shift 60 is set
Two are equipped with, is respectively outer hub range shift a60a and outer hub range shift b60b, outer hub range shift a60a and outer hub range shift b60b are connected in series,
To adapt to the gear-change operation demand of the multiple drive shifts of speed changer：Interior 10 design optimization of hub range shift is expanded into interior hub range shift a10a in figure
Shown, interior hub range shift a10a is equipped with the first spiral spiral guide hole b15b of guide hole a15a and first, the first spiral guide hole a15a by
Forward gear, forward gear are followed successively by under, forward gear, neutral gear, is reversed gear and shelves of parking, increases by a first spiral guide hole 15b, it is former
The serrate slot 17 having is optimized to serrate slot a17a, two serrate slots 17 i.e. forward gear B012 and forward gear C013 is added and corresponds to
Serrate slot 17, while lengthen in 10 overall length of hub range shift, increase an identical gear shift pin hole 13；60 design optimization of external hub range shift
It is expanded into shown in figure China and foreign countries hub range shift a60a, the original second spiral guide hole 62 is optimized to the second spiral guide hole a62a, increases newly
Add and count an outer hub range shift b60b, corresponding second spiral guide hole b62b, the second spiral spiral guide holes of guide hole b62b and second
A62a is rotated by interior hub range shift 10 respectively, and the gear shift pin 100 being fixed on interior hub range shift 10 drives outer hub range shift a60a respectively
And the shifting fork pin of the second spiral guide hole a62a drivings respective notch on outer hub range shift b60b, outer hub range shift a60a（Shifting fork pin with
Shift fork solid forging structure）, the shifting fork pin of the second spiral guide hole b62b drivings respective notch on outer hub range shift b60b（Shifting fork pin
With shift fork solid forging structure）, two spiral guide holes need to only be installed on interior 10 corresponding position of hub range shift by gear shift pin 100,
Rotated by interior hub range shift 10 and synchronize rotation to drive；Increase compression spring 70 and gear shift pin 110 each one at the same time；Figure 37 and
38 illustrate two group of first spiral spiral guide hole a62a of guide hole a15a and second, the first spiral spiral guide holes of guide hole b15b and second
B62b drive shift C013, drive shift B012, drive shift A011, neutral gear 02, reverse gear 03, park shelves 04 when, with the first gear shift dial
The position relationship of 150 and second gear shift fork 170 of fork, and can realize gear interlock, gear interlock function of the present invention is mainly logical
The shape of the second spiral guide hole b62b and the second spiral guide hole a62a and the cooperation of positioning serrate slot 17 are crossed to realize：That is the second spiral shell
Revolve the spiral guide hole a62a of guide hole b62b and second, driven respectively in rotation process respective selector fork move axially or
Transfixion come ensure realize in drive shift C013, drive shift B012, drive shift A011, neutral gear 02, reverse gear 03, shelves 04 of parking
When, corresponding position at two selector forks, will not there is a situation where being linked into two shelves at the same time, such as the second spiral guide hole a62a from
Shelves 04, reverse gear 03, neutral gear 02 park when going to drive shift A011 successively, the second spiral guide hole b62b also from from shelves 04 of parking, fall
Shelves 03, neutral gear 02 go to drive shift A011 successively, and the first selector fork 150 that the second spiral guide hole a62a is driven has carried out axis
To moving back and forth carry out gear switch, and the second gear shift fork 170 pitched by the second spiral guide hole b62b does not carry out then
Axial movement, is maintained at neutral position；Drive shift C013 similarly is gone to from drive shift B012, the second spiral guide hole a62a is driven
Shift fork 150 do not move axially, be maintained at neutral position, and the second gear pitched by the second spiral guide hole b62b
Shift fork 170 then moves axially, and has carried out gear switch, and which ensures that can only hang a shelves every time, each shelves are by positioning
Seat and serrate slot, which coordinate, carries out locking, realizes interlocking；It can be seen from the above, by the simply optimization and number of part belonging to the present invention
Amount increase, you can realize the functions expanding of the present invention, the speed changer applied to multiple drive shifts.
Another expansion application of the present invention, is driven by the internal hub range shift spline 11 of motor, and gear-change operation is selected in realization,
Electric automobile or mixed electrical automobile speed changer are can also be applied to, with traditional gear selection mechanism and shift mechanism respectively by respective motor
Driving is compared, and the present invention only needs a motor to can be achieved, and has obvious cost advantage.
For part or functional parts such as the first ball bearing 20, the second ball bearing 80, O-ring 90, spline 11, screw thread 11a
Deng the part of the not special statement of the present invention, the requirement that can be implemented according to specific speed changer, with reference to the corresponding skill of spare part in common use
Art condition and standard carry out selection implementation.
The present invention operation principle be：Interior hub range shift 10 receives the gear shift torque of input by spline 11a and rotates, by limiting
Position pin 110 drives cam 40 of parking, and drives outer hub range shift 60 to rotate synchronously by gear shift pin 100, passes through the first of interior hub range shift 10
Second spiral guide hole 62 of spiral guide hole 15 and outer hub range shift 60 drives the first selector fork 150, by interior hub range shift 10, outer gear shift
The rotary motion of hub 60 is converted to the linear motion of the first selector fork 150, so as to fulfill gear-change operation, on interior hub range shift 10
Serrate slot 17 is equipped with drive shift, neutral gear, reverse gear, shelves totally four functional locations of parking, and passes through the serrate slot 17 on interior hub range shift 10
Coordinate the gear shift positioning seat 160 for being installed on housing to carry out locking to corresponding gear, and then realize gear-change operation；When interior hub range shift 10
Go to when parking function section, cam of parking reverses return spring 30 and starts to work with cam 40 of parking, and cam 40 of parking is with mooring
Car pawl 130 is parked pawl 130 by 42 top pressure of convex closure for cam 40 of parking to abut against cooperations, and pawl 130 of parking is inserted into and parks
140 teeth groove of gear, while the spiral guide hole of interior hub range shift 10 and outer hub range shift 60 drives the first selector fork 150 to retreat to neutral position
Put, complete locking operation of parking；When releasing is parked, interior hub range shift 10 need to be only rotated to non-functional areas of parking, cam 40 of parking
Return spring 30 is reversed in cam of parking and acts on Regression initial position, parks pawl 130 under the action of ratchet spring 120,
Extracted from 140 teeth groove of gear of parking, return initial position, and then complete to release parking manoeuvres.
For gearshift procedure, describe in detail as follows：Outer hub range shift 60 drives selector fork to carry out axis by spiral guide hole 62
To rectilinear movement, when the tooth that the first selector fork 150 is driven is covered also not completely into gear, the first selector fork 150 will
The spiral guide hole 15 of spiral guide hole 62, interior hub range shift first in outer hub range shift and the gear shift positioning seat 160 for being installed on housing
Under collective effect, gear is first locked, outer hub range shift 60 compresses one end compression spring 70, and the first selector fork 150 will be in pressure bullet
Enter locked target gear under the action of spring 70 in due course, when the first selector fork 150 reaches target gear, compression spring 70
Recover initial equilibrium conditions, complete gear shift；During this whole gear switch, outer hub range shift 60 actually performs including choosing
Three shelves, synchronization and gear shift actions：During second spiral 62 and first spiral guide hole 15 of guide hole rotates, due to spiral spy
Property, rotating direction determines selected gear, the first selector fork 150 is axially moved linearly by predetermined gear, first
When selector fork 150 does not completely arrive at gear also, under the action of interior 10 gear shift torque of hub range shift, the first selector fork 150 is anti-
Outer hub range shift 60 is acted on, outer hub range shift 60 is compressed the compression spring 70 of one end, in the common of gear shift torque and spring pressure
Under effect, the first selector fork 150 is pushed into the 62 corresponding gear of spiral guide hole of outer hub range shift 60, while interior hub range shift is
One spiral guide hole 15 and it is installed under the collective effect of gear shift positioning seat 160 of housing, first lock onto target gear, outer gear shift at this time
First selector fork 150 will be pushed into target gear by hub 60 under the action of compression spring 70, while 60 both ends of outer hub range shift
Compression spring 70 restPoses, and completes whole gearshift procedure.
Vehicular transmission gear shift mechanism assembly design of parking is reasonable, compact-sized, be it is a kind of collect shifted function and
Function of parking is parked mechanism assembly in the vehicular transmission gear shift of one, can be applied to hand shift or motor driving from moving
Shelves operation；Compared with traditional gear selection mechanism and shift mechanism are driven by respective motor respectively, the present invention only needs a motor
It can be achieved, there is obvious cost advantage；And by the simply optimization of part belonging to the present invention and quantity increase, you can realize
The functions expanding of the present invention, the speed changer applied to multiple drive shifts.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from the knowledge that one skilled in the relevant art possesses
Make a variety of changes.
Claims (6)
- The mechanism assembly 1. a kind of vehicular transmission gear shift is parked, it is characterised in that including interior hub range shift (10), the first ball bearing (20), cam of parking reverses return spring (30), cam of parking (40), snap ring (50), outer hub range shift (60), compression spring (70) With the second ball bearing (80)；Empty set is installed in interior hub range shift (10) between first ball bearing (20) and the second ball bearing (80) On park cam reverse return spring (30), be also equipped with cam of parking between the first ball bearing (20) and the second ball bearing (80) (40) and outer hub range shift (60), cam of parking (40) empty set carry out axial limit on interior hub range shift (10) by spacer pin (110) Position, outer hub range shift (60) empty set carry out circumferential spacing, cam of parking on interior hub range shift (10) and by gear shift pin (100) Return spring (30) is reversed between the first ball bearing (20) and cam of parking (40), the left and right ends of outer hub range shift (60) are equal Compression spring (70) is provided with, compression spring (70) is covered on interior hub range shift (10), and one end of cam of parking (40) passes through axial direction Installation carries out spacing snap ring (50) and is connected to compression spring (70)；Interior hub range shift (10) passes through the first ball bearing (20) and second Ball bearing (80) supporting is installed on case of transmission bearing hole, and passes through the O-ring (90) installed in interior hub range shift (10) both ends Case of transmission and interior hub range shift (10) are sealed, when interior hub range shift (10) rotates, is promoted and moored by spacer pin (110) Car cam (40) rotates, and gear shift pin (100) promotes outer hub range shift (60) rotation and axial movement；One end of the interior hub range shift (10) is equipped with the spline (11) for being used for inputting driving moment and inputs opponent's part for fixed Screw thread (11a), the both ends of interior hub range shift (10) are both provided with the first groove (12) for mounting O-shaped rings (90), interior gear shift The second groove (18) for cam torsion return spring (30) of parking for installation is provided with hub (10), is set on interior hub range shift (10) It is equipped with for installing two holes (13) of spacer pin (110) and gear shift pin (100), the position of two holes (13) and spacer pin (110) and gear shift pin (100) position it is corresponding, for driving selector fork (150) is provided with interior hub range shift (10) One spiral guide hole (15)；The interior hub range shift (10) is equipped with four square holes (19), four square holes (19) positioned at install outer hub range shift (60) and The region of two compression springs (70)；The cam of parking reverses return spring (30) and is equipped with orientation and spacing pin (31), for keeping park cam (40) working status and the crotch structure (32) of reset；Outside the cam of parking (40) Circle has the convex closure (42) that a top pressure acts on, and is provided with the circular cylinder of cam of parking (40) for axial limiting and operation interval Revolution or the first kidney slot (41) of return；The compression spring (70) employs flush end to pushing up wavy spring structure.
- The mechanism assembly 2. vehicular transmission gear shift according to claim 1 is parked, it is characterised in that on interior hub range shift (10) It is provided with the snap ring mounting groove (14) that the snap ring (50) for carrying out axial limiting to compression spring (70) is installed；Interior hub range shift (10) serrate slot (17) for gear shift positioning seat (160) positioning is provided with；The other end of interior hub range shift (10) is provided with use Flat (16) in installation gear position sensor and annular groove (16a) for fixing gear position sensor；Described first Spiral guide hole (15) is equipped with the buffering area for gear shift buffer synchronisation.
- The mechanism assembly 3. vehicular transmission gear shift according to claim 1 is parked, it is characterised in that the outer hub range shift (60) circular cylinder, which is equipped with, is used for spacing the second kidney slot (61) of circumferencial direction, the circular column of the outer hub range shift (60) It is additionally provided with body for gear shift and the second spiral guide hole (62) parked.
- The mechanism assembly 4. vehicular transmission gear shift according to claim 1 is parked, it is characterised in that cam of parking (40) with Interior hub range shift (10) is clearance fit, is interference fitted by spacer pin (110) and interior hub range shift (10), the cam (40) that will park limit Interior hub range shift (10) corresponding position is scheduled on, and return spring (30) is reversed by cam of parking and is matched somebody with somebody with cam of parking (40) installation Close and realize to cam of parking (40) pretension, when cam of parking (40) car working status on the berth, exist relative to interior hub range shift (10) Opposite rotary motion in first kidney slot (41) limited range, non-working status of parking is synchronous with interior hub range shift (10) to be turned It is dynamic.
- The mechanism assembly 5. vehicular transmission gear shift according to claim 1 is parked, it is characterised in that the outer hub range shift (60) it is clearance fit with interior hub range shift (10), passes through the interference fit of gear shift pin (100) and interior hub range shift, the interior hub range shift (10) the first spiral guide hole (15) on is alignd with the second spiral guide hole (62) on outer hub range shift (60), and passes through compression spring (70) and the external hub range shift (60) of snap ring (50) carries out axial limiting and applies pretightning force, and gear shift pin (100) is in outer hub range shift In the middle part of (60) second kidney slots (61), when performing gear-change operation, hub range shift (10) promotes outer change by gear shift pin (100) in rotation Shelves hub (60) rotates the rectilinear movement in the second kidney slot (61) limited range at the same time.
- The mechanism assembly 6. vehicular transmission gear shift according to claim 1 is parked, it is characterised in that the interior hub range shift (10) multiple first threaded holes (15) are equipped with, multiple outer hub range shifts (60) are installed on the interior hub range shift (10), it is each outer The second threaded hole (62) is both provided with hub range shift (60), multiple first threaded holes (15) are alignd with the second threaded hole (62) respectively Installation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710088605.4A CN106763733B (en) | 2017-02-20 | 2017-02-20 | A kind of vehicular transmission gear shift is parked mechanism assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710088605.4A CN106763733B (en) | 2017-02-20 | 2017-02-20 | A kind of vehicular transmission gear shift is parked mechanism assembly |
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| CN106763733A CN106763733A (en) | 2017-05-31 |
| CN106763733B true CN106763733B (en) | 2018-04-27 |
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| CN201710088605.4A Active CN106763733B (en) | 2017-02-20 | 2017-02-20 | A kind of vehicular transmission gear shift is parked mechanism assembly |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101817629B1 (en) * | 2017-11-23 | 2018-02-21 | (주)엠비아이 | Shift assistant device and hub embedded transmission having the device |
| CN109130848A (en) * | 2018-10-19 | 2019-01-04 | 赣州经纬科技股份有限公司 | A kind of two grades of speed change electric drive assemblies of new-energy automobile |
| TWI717124B (en) * | 2019-11-26 | 2021-01-21 | 介隆興齒輪股份有限公司 | Bidirectional balanced buffer clutch structure of dual shift forks of vehicle gearshift mechanism |
| CN112145677B (en) * | 2020-08-27 | 2022-03-08 | 东风汽车集团有限公司 | Gear shifting drum, gearbox and vehicle gear self-locking control method |
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| US6725962B1 (en) * | 1998-04-20 | 2004-04-27 | Yamaha Hatsudoki Kabushiki Kaisha | Transmission lock for all-terrain vehicle |
| CN101181924A (en) * | 2006-11-13 | 2008-05-21 | 光阳工业股份有限公司 | Stop mark structure |
| CN203756954U (en) * | 2013-11-07 | 2014-08-06 | 光阳工业股份有限公司 | Vehicle gear shifting mechanism |
| CN204664397U (en) * | 2015-05-15 | 2015-09-23 | 江苏林海动力机械集团公司 | Engine mission parking lock device |
| CN206600457U (en) * | 2017-02-20 | 2017-10-31 | 赣州经纬科技股份有限公司 | A kind of vehicular transmission gear shift is parked mechanism assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5909400B2 (en) * | 2012-03-30 | 2016-04-26 | 富士重工業株式会社 | Parking lock mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6725962B1 (en) * | 1998-04-20 | 2004-04-27 | Yamaha Hatsudoki Kabushiki Kaisha | Transmission lock for all-terrain vehicle |
| CN101181924A (en) * | 2006-11-13 | 2008-05-21 | 光阳工业股份有限公司 | Stop mark structure |
| CN203756954U (en) * | 2013-11-07 | 2014-08-06 | 光阳工业股份有限公司 | Vehicle gear shifting mechanism |
| CN204664397U (en) * | 2015-05-15 | 2015-09-23 | 江苏林海动力机械集团公司 | Engine mission parking lock device |
| CN206600457U (en) * | 2017-02-20 | 2017-10-31 | 赣州经纬科技股份有限公司 | A kind of vehicular transmission gear shift is parked mechanism assembly |
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| CN106763733A (en) | 2017-05-31 |
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