CN208605615U - Transmission assembly and its gearshift - Google Patents
Transmission assembly and its gearshift Download PDFInfo
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- CN208605615U CN208605615U CN201821089669.2U CN201821089669U CN208605615U CN 208605615 U CN208605615 U CN 208605615U CN 201821089669 U CN201821089669 U CN 201821089669U CN 208605615 U CN208605615 U CN 208605615U
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Abstract
The utility model relates to a kind of transmission assembly and its gearshifts.Shift fork shaft assembly includes shift fork axle and the shifting block for being fixed on shift fork axle, and shift fork axle is axially slidable along its, and the surface of shifting block offers through slot, and shifting shaft and shift fork axle interval are arranged, and shifting shaft extends along the direction perpendicular to shift fork axle.Shift assembly includes shift part and steel ball, part of shifting gears includes the shift end being oppositely arranged and positioning end, shift end is rotationally contained in through slot, positioning end offers the first locating slot and the second locating slot extended along shift axis direction, second locating slot is two, it is respectively arranged at the two sides of the first locating slot, the inner wall of first locating slot includes two arc-shaped inner walls interconnected, the inner wall of second locating slot is arc-shaped, shifting shaft drives shift part rotation, the side wall of shift end and through slot can be made to support, so that the rest part of steel ball switches between the first locating slot and the second locating slot.Transmission assembly and its gearshift provided by the utility model have the characteristics that shift is smooth.
Description
Technical field
The utility model relates to automobile technical field more particularly to a kind of transmission assemblies and its gearshift.
Background technique
With the development of automobile industry, speed changer also increasingly causes people's as the important component of Automobile drive
Pay attention to.The revolving speed of speed changer tunable engine and the actual travel speed of wheel, to play the optimum performance of engine.Become
Fast device by shift, it can be achieved that transmission ratio switching so that the output characteristics of engine meets different duty requirements.Currently,
Often there is the phenomenon that jerky shift, clamping stagnation in shift process in common manual shift transmission in the market, so that shift is not smooth.
Utility model content
Based on this, it is necessary to for the problem that traditional shift fluency is poor, provide a kind of speed changer that shift is smooth
Assembly and its gearshift.
A kind of gearshift, is contained in the shell of transmission assembly, and the gearshift includes:
Shift fork shaft assembly including shift fork axle and is fixed on the shifting block of the shift fork axle, and the shift fork axle can be arranged in described
The side wall of shell, and axially slidable along its, the surface of the shifting block offer through slot, the extending direction of the through slot with it is described
The extending direction of shift fork axle is vertical；
Shifting shaft is rotatably penetrated and arranged in the shell, and is arranged with the shift fork axle interval, and the shifting shaft is along vertical
Extend in the direction of the shift fork axle；
Shift assembly, including shift part and steel ball, the shift part be fixed on the shifting shaft, and including being oppositely arranged
Shift end and positioning end, the shift end are rotationally contained in the through slot, and the positioning end is offered along the shift
The first locating slot and the second locating slot that axis direction extends, second locating slot is two, and is respectively arranged at described first
The two sides of locating slot, and be connected to first locating slot, the inner wall of first locating slot includes two circles interconnected
The inner wall of arc inner wall, second locating slot is arc-shaped, and the shell position opposite with the positioning end offers receiving
Hole, the steel ball are partially housed in the accepting hole, and it is fixed that the rest part of the steel ball is slideably contained in described first
Position slot or second locating slot；
Wherein, the shifting shaft drives the shift part rotation, and the shift end and the side wall of the through slot can be made to support,
So that the rest part of the steel ball switches between first locating slot and second locating slot.
The distance at the bottom of first locating slot to the shift end is greater than described second in one of the embodiments,
Distance of the bottom of locating slot to the shift end.
The inner wall width of first locating slot and second locating slot is along the shift in one of the embodiments,
End to the direction of the positioning end is gradually increased.
The shift assembly further includes shift compressed spring in one of the embodiments, and the shift compressed spring is received
It is dissolved in the accepting hole, and the both ends portion with the bottom wall of the accepting hole and the steel ball respectively of the shift compressed spring
Divide and abuts.
In one of the embodiments, further include rivet, offers location hole, the shifting shaft in the middle part of the shift part
It is arranged in the location hole, and is fixedly connected by the rivet with the shift part.
The arc-shaped side of the arc-shaped plate structure in the shift end in one of the embodiments, the shift end can operate
The side wall on ground and the through slot supports.
The shift fork shaft assembly is multiple in one of the embodiments, and multiple shift fork axles are parallel and interval is arranged,
Multiple through slot intervals are arranged and are connected to, and the shifting shaft is slidably disposed in the shell, and the shifting shaft edge
It slides axially, and the shift end can be driven to switch between multiple through slots.
It in one of the embodiments, further include mounting base and sliding bar, the mounting base is opposite with the shifting shaft
Position offers fixation hole, and the shifting shaft is arranged in the fixation hole, and the inner wall clamping with the fixation hole, the sliding
The mounting base is fixed in one end of bar, and the other end extends to form sliding part, the cunning along the direction perpendicular to the shifting shaft
Dynamic portion can drive the shifting shaft sliding axially along the shifting shaft.
It in one of the embodiments, further include rotating bar, the mounting base is fixed in one end of the rotating bar, another
End extends to form rotation section along the direction for being parallel to the shifting shaft, and the rotation section can drive the shifting shaft to rotate.
A kind of transmission assembly, comprising:
Shell in hollow structure；
Clutch collar is contained in the shell；And
Such as above-mentioned gearshift, the clutch collar is fixedly connected with the shift fork axle, and the shift fork axle can drive described connect
Trap slides axially along the shift fork axle.
Above-mentioned transmission assembly and its gearshift are changed when shift end is contained in through slot, and is located at the middle part of through slot
Retaining device is in neutral gear position, and steel ball is located in the first locating slot at this time.When shift, shifting shaft drives shift part rotation, shift
End and one of side wall of through slot support, at this point, steel ball from the first locating slot slide into it is corresponding one of them second
In locating slot, gearshift realizes the conversion of a gear.Similarly, when another side wall at shift gears end and through slot supports, steel ball
It can be slid into from the first locating slot in another second locating slot, gearshift can realize the conversion of another gear.And incite somebody to action
The inner wall of first locating slot is arranged to two arc-shaped inner walls interconnected, the inner wall of the second locating slot be arranged to it is arc-shaped,
So that motion path of the steel ball in the first locating slot and the second locating slot is more smooth, to reduce the resistance in shift process
Power, so that shift is more smooth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of transmission assembly in the utility model preferred embodiment；
Fig. 2 is that the gearshift in the utility model preferred embodiment removes the explosive view after mounting base；
Fig. 3 is that the gearshift in the utility model preferred embodiment removes the structural schematic diagram after mounting base；
Fig. 4 is the structural schematic diagram of gearshift other direction shown in Fig. 3；
Fig. 5 is structural schematic diagram of the gearshift in the utility model preferred embodiment with mounting base.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
The understanding of disclosure is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Referring to Fig. 1, the transmission assembly 200 in the utility model preferred embodiment includes shell 210, clutch collar 220
And gearshift 100.
Shell 210 is in hollow structure, for accommodating the element of transmission assembly 200.Generally, shell 210 must be by machinery
The relatively large alloy of intensity, plastic-steel or other high molecular materials are made.Specifically, transmission assembly 200 generally further includes
Input shaft 230, jackshaft 240 and output shaft 250.Multiple power shift gears, power are arranged on input shaft 230 and jackshaft 240
It inputs from input shaft 230, and is exported by the transmission effect of multiple power shift gears from output shaft 250.
Clutch collar 220 is contained in shell 210.In transmission assembly 200, clutch collar 220 is multiple, and is arranged respectively
In on input shaft 230 and jackshaft 240.Transmission assembly 200 further includes shift fork 260, and multiple power shift gears are individually fixed in defeated
Enter on axis 230 or jackshaft 240, one end of shift fork 260 is fixedly connected with gearshift 100, and the other end and clutch collar 220 block
It holds.
Gearshift 100 is contained in the shell 210 of transmission assembly 200.Gearshift 100 is total for realizing speed changer
At the conversion of 200 gear.When the operating condition of automobile converts, gearshift 100 can drive shift fork 260 mobile.And then it dials
Fork 260 drives clutch collars 220 along the axial movement of input shaft 230 or jackshaft 240, so that clutch collar 220 and corresponding gear
Power shift gear engagement.Further, power can be transferred to the power shift gear of corresponding gear from input shaft 230 by clutch collar 220,
And then be transferred to output shaft 250 and export, so that the revolving speed of wheel changes, meet duty requirements.
Referring to Figure 2 together, Fig. 3 and Fig. 4, the gearshift 100 in the utility model preferred embodiment include shift fork axle
Component 110, shifting shaft 120 and shift assembly 130.
Shift fork shaft assembly 110 includes shift fork axle 111 and shifting block 112.Shift fork axle 111 can be arranged in the side wall of shell 210, and
It is axially slidable along its.Shifting block 112 is fixed on shift fork axle 111.The surface of shifting block 112 offers through slot 1121, through slot 1121
Extending direction is vertical with the extending direction of shift fork axle 111.In transmission assembly 200, input shaft 230, jackshaft 240 and output
Axis 250 is parallel with shift fork axle 111 and interval setting, clutch collar 220 are fixedly connected by shift fork with shift fork axle 111.Shift fork 260
One end is fixed in shift fork axle 111, and the other end and clutch collar 220 are clamped.Shift fork axle 111 can drive clutch collar 220 along shift fork axle
111 slide axially, so that the sliding axially along input shaft 230 or jackshaft 240 of clutch collar 220, to realize that gear turns
It changes.
Specifically in the present embodiment, one end of shifting block 112 offers through-hole, and shift fork axle 111 is arranged in through-hole, and with it is logical
The inner wall clamping in hole.Through slot 1121 is arranged far from one end of through-hole in shifting block 112.It, will by the way that through-hole is arranged in one end of shifting block 112
Shift fork axle 111 and through-hole clamping, so that can be mutual by shift fork axle 111 and shifting block 112 in the case where no setting is required fastener
It is fixed, so that shifting block 112 and the installation of shift fork axle 111 are simpler.
Shifting shaft 120 is rotatably penetrated and arranged in shell 210.Shifting shaft 120 and the interval of shift fork axle 111 are arranged, and along vertical
Extend in the direction of shift fork axle 111.In the transmission, shifting shaft 120 is connect with the gear arm in automobile.Gear arm can band move
Gear shaft 120 rotates.In turn, shifting shaft 120 drives the sliding axially along shift fork axle 111 of shift fork axle 111, to realize shift.
Shift assembly 130 includes shift part 131 and steel ball 132.Shift part 131 is fixed on shifting shaft 120, and including opposite
The shift end 1311 of setting and positioning end 1312.Shift end 1311 is rotationally contained in through slot 1121.Positioning end 1312 is opened
Equipped with the first locating slot 13121 and the second locating slot 13122 extended along 120 direction of shifting shaft.Second locating slot 13122 is two
It is a, and it is respectively arranged at the two sides of the first locating slot 13121.Second locating slot 13122 is connected to the first locating slot 13121.The
The inner wall of a positioning groove 13121 includes two interconnected arc-shaped inner walls 131212.The inner wall of second locating slot 13122 is in
Arc.The position opposite with positioning end 1312 of shell 210 offers accepting hole 133, and steel ball 132 is partially housed in accepting hole 133
It is interior.The rest part of steel ball 132 is slideably contained in the first locating slot 13121 or the second locating slot 13122.
Wherein, shifting shaft 120 drives shift part 131 to rotate, and shift end 1311 and the side wall of through slot 1121 can be made to support.With
Switch the rest part of steel ball 132 between the first locating slot 13121 and the second locating slot 13122.
In the present embodiment, shift assembly 130 further includes shift compressed spring 134.Shift compressed spring 134 is contained in
Hold in hole 133, and the both ends for compressed spring 134 of shifting gears are abutted with the part of the bottom wall of accepting hole 133 and steel ball 132 respectively.
Specifically, in order to reach better installation effect, shift assembly 130 further includes shift positioning seat 135.Shift positioning
Seat 135 is fixed on shell 210, and opposite with 1312 position of positioning end.It opens on the surface of shift positioning seat 135 towards positioning end 1312
Equipped with accepting hole 133.Shift compressed spring 134 is contained in accepting hole 133.By setting shift positioning seat 135, so that steel ball
132 installation is simple and easy, convenient for improving working efficiency.And the setting for compressed spring 134 of shifting gears, one can be provided for steel ball 132
A elastic-restoring force so that steel ball 132 is in the moving process of the first locating slot 13121 and the second locating slot 13122, always with
The inner wall of first locating slot 13121 and the second locating slot 13122 fitting, so that steel ball 132 can be steadily fixed along first
The sliding of the inner wall of position slot 13121 and the second locating slot 13122.Further, the elastic-restoring force for compressed spring 134 of shifting gears may be used also
To cause to squeeze to steel ball 132, consequently facilitating steel ball 132 stronger after shift is completed can be fastened in the first locating slot
13121 or second in locating slot 13122, to prevent 100 self shifter of gearshift.
Shift process is described below by specific description.
Assuming that the opposite two side walls of through slot 1121 are respectively the first side wall and second sidewall.Two the second locating slots
13122 are distinguished with 1 gear locating slot and 2 gear locating slots respectively.The first side wall and 1 gear locating slot correspond to 1 gear of speed changer, the
Two side walls and 2 gear locating slots correspond to 2 gears of speed changer.The first side wall and 1 gear locating slot are located at opposite two of shift part 131
Side, second sidewall and 2 gear locating slots are located at the opposite two sides of shift part 131.It should be noted that the first side wall and second
Side wall is identical two side walls, and 1 gear locating slot and 2 gear locating slots are identical two the second locating slots 13122,
Just its label is distinguished only for the purposes of description.
In automotive field, the speed changer of manual gear needs first to set neutral gear for gear before shift.When neutral gear, end of shifting gears
1311 in the first locating slot 13121.Automobile is run at a low speed, and when needing to hang 1 gear, gear arm drives shifting shaft 120 to rotate, and is changed
It keeps off end 1311 to slide along the direction perpendicular to through slot 1121, and is abutted with the first side wall.At the same time, steel ball 132, which stretches out, receives
The part of cavity slides into 1 gear locating slot from the first locating slot 13121, and supports with the inner wall of 1 gear locating slot, to realize 1
The conversion of gear.Further, steel ball 132 is fastened in 1 gear locating slot, can also prevent positioning end 1312 steel ball 132 slide and
Automobile gear shift is caused to fail.Further, to change 2 gears, shift end 1311 is slid into along the direction perpendicular to through slot 1121
The middle part of through slot 1121, steel ball 132 come back in the first locating slot 13121.And then end 1311 of shifting gears continues to move, end of shifting gears
1311 abut with second sidewall, and steel ball 132 is fastened in 2 gear locating slots, to realize the conversion of 2 gears.
During shift, due to by the inner wall of the first locating slot 13121 be arranged to two it is interconnected arc-shaped
Inner wall 131212, the inner wall of the second locating slot 13122 be arranged to it is arc-shaped so that steel ball 132 is in the first locating slot 13121 and
Motion path in two locating slots 13122 is more smooth, so that the resistance in shift process is reduced, so that shift is more smooth.
In the present embodiment, two gears are set on the through slot 1121 of a shifting shaft 120.It should be noted that shift
The quantity of the shift fork axle 111 and gear that are arranged in mechanism 100 can be according to specifically being set.Specifically in the present embodiment
In, 111 component 110 of shift fork axle is multiple.Multiple shift fork axles 111 are parallel and interval setting, multiple intervals of through slot 1121 are arranged simultaneously
Connection.Shifting shaft 120 is slidably disposed in shell 210, and shifting shaft 120 slides axially along it, can drive shift end
1311 switch between multiple through slots 1121.
Shift process is illustrated by taking three shift assemblies 130 as an example below.
Specifically, three shift assemblies 130 are three shift fork axles 111, and three shift fork axles 111 are followed successively by the first shift fork axle
1112, the second shift fork axle 1114 and third shift fork axle 1116.Can be carried out in first shift fork axle 1,112 1,2 gear conversions, second group
The conversion of 3,4 gears can be carried out on fork shaft 1114, and the conversion of 5,6 gears can be carried out in third shift fork axle 1116.First shift fork axle 1112
Farthest from shifting shaft 120, recently from shifting shaft 120, the second shift fork axle 1114 is in the first shifting shaft 120 to third shift fork axle 1116
And the centre of third shifting shaft 120.Through slot in first shift fork axle 1112, the second shift fork axle 1114 and third shift fork axle 1116
1121 are set side by side and are connected to, and to form block selecting through slot 1315, and the extending direction of block selecting through slot 1315 and shifting shaft 120 prolong
It is identical to stretch direction.When automobile is run at a low speed, when needing to carry out the conversion of 1 gear or 2 gears, and above-mentioned 1, the transform mode of 2 gears is identical,
It repeats no more here.When automobile needs to be converted to 3 gear from 2 gears, i.e. shift end 1311 need to be converted from the first shift fork axle 1112
When on to the second shift fork axle 1114, end 1311 of shifting gears first is moved to the middle position of through slot 1121 in the first shift fork axle 1112,
Neutral gear is set by gear.In turn, shifting shaft 120 drives shift end 1311 along block selecting through slot along the axial movement of shifting shaft 120
1315 middle part is mobile, and shift end 1311 is that leading to for the second shift fork axle 1114 is moved to from the through slot 1121 of the first shift fork axle 1112
Slot 1121, to realize block selecting.At the same time, steel ball 132 is slided along the extending direction of the first locating slot 13121.Next, 3,
The conversion of 4 gears is identical as the operating method of 1,2 gears.If automobile will be converted to 5 gears, operating method and 2 gear conversions to 3 gears from 4 gears
Operating method it is consistent, 5,6 gear conversion regimes and 1,2 keep off conversion regime it is also identical, repeat no more here.
In transmission assembly 200, in the first shift fork axle 1112, the second shift fork axle 1114 and third shift fork axle 1116 respectively
It is provided with a shift fork 260, there are two clutch collars 220 for setting on input shaft 230, and one is provided on jackshaft 240 and is connect
Trap 220, the shift fork 260 in the first shift fork axle 1112 are fixedly connected with the clutch collar 220 on jackshaft 240, the second shift fork axle
1114 and third shift fork axle 1116 on shift fork 260 be fixedly connected respectively with two clutch collars 220 on input shaft 230.It is different
111 movement of shift fork axle corresponding clutch collar 220 can be driven mobile so that the power shift gear engagement of corresponding gear is simultaneously
It is exported from output shaft 250.
In the present embodiment, the distance at the bottom of the first locating slot 13121 to shift end 1311 is greater than the second locating slot
Distance of 13122 bottom to shift end 1311.
Therefore, in same shift fork axle 111, when being transformed into the second locating slot 13122 from the first locating slot 13121, i.e., from
When neutral gear is converted to adjacent gear, steel ball 132 can be under the action of the elastic-restoring force for compressed spring 134 of shifting gears directly from the
A positioning groove 13121 slides into the second locating slot 13122, so that the conversion process smoothness of gear is laborsaving.Further,
Since the distance at bottom to the shift end 1311 of the first locating slot 13121 is greater than the bottom to shift end of the second locating slot 13122
1311 distance, the i.e. bottom of the first locating slot 13121 are higher than the bottom of the second locating slot 13122, therefore, shift completion
Afterwards, when steel ball 132 is fastened in the second locating slot 13122, it is also difficult to be moved back to the first locating slot from the second locating slot 13122
In 13121.In this way, making gearshift 100 can be while realizing easily shift, moreover it is possible to avoid under the influence of extraneous factor
100 self shifter of gearshift, therefore there is preferable shift stability.
Further, the inner wall width of the first locating slot 13121 and the second locating slot 13122 is along shift end 1311 to positioning
The direction at end 1312 is gradually increased.
This means that the bottom width of opening the first locating slot of relative aperture 13121 of the first locating slot 13121 is big, second
Bottom width of the opening bore of locating slot 13122 also than the second locating slot 13122 is big.Therefore, in shift, steel ball
132 when position is converted in the first locating slot 13121 and the second locating slot 13122, steel ball 132 and the first locating slot 13121 and
The contact area of second locating slot 13122 is smaller, can be under the action of the elastic-restoring force for compressed spring 134 of shifting gears naturally
It falls into the first locating slot 13121 or the second locating slot 13122.Moreover, the opening relative aperture first of the first locating slot 13121 is fixed
The bottom width of position slot 13121 is big, the bottom width of opening the second locating slot of relative aperture 13122 of the second locating slot 13122
It is big, the first locating slot can also be rolled into along the inner wall of the first locating slot 13121 or the second locating slot 13122 in steel ball 132
13121 or when the second locating slot 13122, the phase that steel ball 132 can gradually with the first locating slot 13121 or the second locating slot 13122
Gradually fitting and clamping are realized to the inner walls of two sides so that steel ball 132 it is stronger be fastened in the first locating slot 13121
Or second in locating slot 13122.
In the present embodiment, gearshift 100 further includes rivet 140.The middle part of shift part 131 offers location hole
1313.Shifting shaft 120 is arranged in location hole 1313, and is fixedly connected by rivet 140 with shift part 131.
Therefore stress can be uniformly distributed in shift part 131 during driving shift part 131 to rotate by shifting shaft 120,
Consequently facilitating shifting shaft 120 steadily drives shift part 131 mobile.
In block selecting, when part 131 of shifting gears in order to prevent is linked into the through slot 1121 of a certain shift fork axle 111, other shift fork axles
111 disorderly keep off along its axial float, and fixed block 180 is arranged also in gearshift.One end of fixed block 180 offers fixed logical
Slot 184, shifting shaft 120 and shift part 131 are arranged in fixed through slot 184.The inner wall of shift part 131 and fixed through slot 184
Inner wall fitting.The opposite two sides of the other end of fixed block 180 are provided with flanging 182, and flanging 182 is along direction shift end 1311
Direction bending.By the way that flanging 182, the overbending direction of flanging 182 and the extension side of block selecting through slot 1315 are arranged on fixed block 180
To parallel, shift end 1311 is held between two flangings 182, can generate position-limiting action to shift end 1311.Therefore, if shift fork axle
When 111 generation play, two 182 pairs of flanging shift ends 1311 generate extruding, to play the role of preventing disorderly keeping off.
In the present embodiment, the shift arc-shaped plate structure in end 1311.The arc-shaped side 13112 at shift end 1311 is operationally
It is supported with the side wall of through slot 1121.
The shift end 1311 of arc plate has smooth arc-shaped side 13112.Since turning is not present in arc-shaped side 13112,
Therefore, it is supported by the side wall by arc-shaped side 13112 operationally with through slot 1121, the inner wall of corner Yu through slot 1121 can be prevented
Pressure is excessively concentrated and causes mechanical damage to shifting block 112 before, consequently facilitating extending the service life of shifting block 112.Meanwhile arc
The shift end 1311 of shape plate and two flangings 182 of fixed block 180 also have biggish contact area, exist convenient for shift end 1311
Two flangings, 182 pairs of shift ends 1311 carry out contact squeeze when mobile, so that shift end 1311 can be stably fixed to shift gears
Position.
Please refer to fig. 5, in the present embodiment, gearshift 100 further includes mounting base 150 and sliding bar 160.Installation
150 positions opposite with shifting shaft 120 of seat offer fixation hole 152.Shifting shaft 120 is arranged in fixation hole 152, and and fixation hole
152 inner wall clamping.Mounting base 150 is fixed in one end of sliding bar 160, and the other end prolongs along the direction perpendicular to shifting shaft 120
It stretches to form sliding part 162.Sliding part 162 can drive the sliding axially along shifting shaft 120 of shifting shaft 120.
Specifically, in the car, gear arm is connect by connector with sliding part 162.By moving gear shift arm, can drive
Sliding part 162 and shifting shaft 120 along shifting shaft 120 axial movement so that shift end 1311 can be slided along block selecting through slot 1315,
To realize block selecting.Therefore, by setting mounting base 150 and sliding bar 160, it is convenient for operator from peripheral operation gearshift
100 carry out shift transformation.
To prevent mounting base 150 from generating extruding because loosening to move along shifting shaft 120 and exchange block piece 131, and influence shift
The shift effect of part 131, in the present embodiment, shifting gears to be additionally provided between part 131 and fixed block 180 squeezes spring 186.It squeezes
Spring 186 is sheathed on shifting shaft 120, and the both ends for squeezing spring 186 are abutted with mounting base 150 and fixed block 180 respectively.Cause
This, when fixed block 180 or mounting base 150 occur mobile relative to shifting shaft 120, squeezing spring 186 can be fixed block 180 and peace
It fills seat 150 and extruding force is provided, to prevent two elements from mutually colliding and damage gearshift 100.In addition, squeezing spring 186 also
Has the function of block selecting reset.In no external force, squeezes the extruding force that spring 186 applies fixed block 180 and indirectly make
For part 131 of shifting gears, so that shift end 1311 can remain at the middle position of block selecting through slot 1315 when resetting, and
Positioned at the neutral gear position of through slot 1121.
Also, annular groove 154, the axis and shifting shaft of annular groove 154 are also provided on the surface of mounting base 150
120 axis is overlapped.Sliding bar 160 convexes to form sliding shoe 164 far from one end of sliding part 162, and sliding shoe 164 is fastened in ring
In connected in star 154.When sliding part 162 is by the effect of external force, sliding shoe 164 is abutted with the side wall of annular groove 154, to drive
Mounting base 150 and shifting shaft 120 along shifting shaft 120 axial movement, to finally realize block selecting.
In the present embodiment, gearshift 100 further includes rotating bar 170.Mounting base is fixed in one end of rotating bar 170
150, the other end extends to form rotation section 172 along the direction for being parallel to shifting shaft 120.Rotation section 172 can drive 120 turns of shifting shaft
It is dynamic.
Specifically, in the car, gear arm is connect also by connector with rotation section 172.It, can band by moving gear shift arm
Dynamic rotation section 172 and shifting shaft 120 rotate.In turn, shift end 1311 can be moved along through slot 1121, and the side wall with through slot 1121
It abuts, to realize shift.And in the present embodiment, in order to reduce the occupied space of gearshift 100, it is convenient for rotating bar 170
Device, also rotating bar 170 is set in mounting base 150.
Also, it is repeated that, the rotation of shifting shaft 120 can drive shift end 1311 shift fork axle wherein here
It moves in 111 through slot 1121, and is abutted with the side wall of through slot 1121, to realize the shift in the same shift fork axle 111.Shift
Axis 120 slides axially along it, and shift end 1311 can be driven to slide in the block selecting through slot 1315 that multiple shift fork axles 111 are formed, with
Realize the block selecting between multiple shift fork axles 111.
Above-mentioned transmission assembly 200 and its gearshift 100, when shifting gears, end 1311 is contained in through slot 1121, and is located at
When the middle part of through slot 1121, gearshift 100 is in neutral gear position, and steel ball 132 is located in the first locating slot 13121 at this time.It changes
When gear, shifting shaft 120 drives shift part 131 to rotate, and shift end 1311 and one of side wall of through slot 1121 support, at this point,
Steel ball 132 slides into one of them corresponding second locating slot 13122 from the first locating slot 13121, gearshift 100
Realize the conversion of a gear.Similarly, when another side wall of shift gears end 1311 and through slot 1121 supports, steel ball 132 can be from the
A positioning groove 13121 slides into another second locating slot 13122, and gearshift 100 can realize turning for another gear
It changes.And the inner wall of the first locating slot 13121 is arranged to two arc-shaped inner walls 131212 interconnected, the second locating slot
13122 inner wall be arranged to it is arc-shaped so that movement of the steel ball 132 in the first locating slot 13121 and the second locating slot 13122
Path is more smooth, so that the resistance in shift process is reduced, so that shift is more smooth.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of gearshift, is contained in the shell of transmission assembly, which is characterized in that the gearshift includes:
Shift fork shaft assembly including shift fork axle and is fixed on the shifting block of the shift fork axle, and the shift fork axle can be arranged in the shell
Side wall, and axially slidable along its, the surface of the shifting block offers through slot, the extending direction of the through slot and the shift fork
The extending direction of axis is vertical；
Shifting shaft is rotatably penetrated and arranged in the shell, and is arranged with the shift fork axle interval, and the shifting shaft is along perpendicular to institute
The direction for stating shift fork axle extends；
Shift assembly, including shift part and steel ball, the shift part are fixed on the shifting shaft, and the shift including being oppositely arranged
End and positioning end, the shift end are rotationally contained in the through slot, and the positioning end is offered along the shifting shaft side
To the first locating slot and the second locating slot of extension, second locating slot is two, and is respectively arranged at first positioning
The two sides of slot, and be connected to first locating slot, the inner wall of first locating slot includes two interconnected arc-shaped
The inner wall of inner wall, second locating slot is arc-shaped, and the shell position opposite with the positioning end offers accepting hole, institute
Steel ball is stated to be partially housed in the accepting hole, the rest part of the steel ball be slideably contained in first locating slot or
Second locating slot；
Wherein, the shifting shaft drives the shift part rotation, and the shift end and the side wall of the through slot can be made to support, so that
The rest part of the steel ball switches between first locating slot and second locating slot.
2. gearshift according to claim 1, which is characterized in that the bottom of first locating slot to the shift end
Distance be greater than second locating slot bottom to it is described shift gears end distance.
3. gearshift according to claim 1, which is characterized in that first locating slot and second locating slot
Inner wall width is gradually increased along the direction of shift end to the positioning end.
4. gearshift according to claim 1, which is characterized in that the shift assembly further includes shift compressed spring,
The shift compressed spring is contained in the accepting hole, and it is described shift compressed spring both ends respectively with the accepting hole
The part of bottom wall and the steel ball abuts.
5. gearshift according to claim 1, which is characterized in that further include rivet, opened up in the middle part of the shift part
There is location hole, the shifting shaft is arranged in the location hole, and is fixedly connected by the rivet with the shift part.
6. gearshift according to claim 1, which is characterized in that the arc-shaped plate structure in the shift end, it is described to change
Side wall of the arc-shaped side at end operationally with the through slot is kept off to support.
7. gearshift according to claim 1, which is characterized in that the shift fork shaft assembly be it is multiple, it is multiple described to dial
Fork shaft is parallel and interval setting, multiple through slot intervals are arranged and are connected to, and the shifting shaft is slidably disposed in the shell
In vivo, and the shifting shaft slides axially along it, and the shift end can be driven to switch between multiple through slots.
8. gearshift according to claim 7, which is characterized in that further include mounting base and sliding bar, the mounting base
The position opposite with the shifting shaft offers fixation hole, and the shifting shaft is arranged in the fixation hole, and with the fixation hole
Inner wall clamping, one end of the sliding bar is fixed on the mounting base, and the other end prolongs along the direction perpendicular to the shifting shaft
It stretches to form sliding part, the sliding part can drive the shifting shaft sliding axially along the shifting shaft.
9. gearshift according to claim 8, which is characterized in that further include rotating bar, one end of the rotating bar is solid
Due to the mounting base, the other end extends to form rotation section along the direction for being parallel to the shifting shaft, and the rotation section can drive
The shifting shaft rotation.
10. a kind of transmission assembly characterized by comprising
Shell in hollow structure；
Clutch collar is contained in the shell；And
Gearshift as described in 1 to 9 any one of the claims, the clutch collar are fixedly connected with the shift fork axle,
The shift fork axle can drive the clutch collar sliding axially along the shift fork axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089669.2U CN208605615U (en) | 2018-07-10 | 2018-07-10 | Transmission assembly and its gearshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089669.2U CN208605615U (en) | 2018-07-10 | 2018-07-10 | Transmission assembly and its gearshift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605615U true CN208605615U (en) | 2019-03-15 |
Family
ID=65669537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821089669.2U Active CN208605615U (en) | 2018-07-10 | 2018-07-10 | Transmission assembly and its gearshift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208605615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679219A (en) * | 2018-07-10 | 2018-10-19 | 株洲欧格瑞传动股份有限公司 | Transmission assembly and its gearshift |
-
2018
- 2018-07-10 CN CN201821089669.2U patent/CN208605615U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679219A (en) * | 2018-07-10 | 2018-10-19 | 株洲欧格瑞传动股份有限公司 | Transmission assembly and its gearshift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191111 Address after: No. 10, Li Yu Industrial Park, Tianyuan District, Zhuzhou, Hunan Province, Ming day road, 412000 Patentee after: Zhuzhou Gearings Co., Ltd. Address before: 412007 Li Yu Industrial Park, Pearl River North Road, Tianyuan District, Zhuzhou, Hunan Patentee before: Zhuzhou Accurate Drive Train Co., Ltd. |
|
| TR01 | Transfer of patent right |