CN206797619U - A kind of two front wheels directly drive ratchet moving gear shift speed change gear - Google Patents
A kind of two front wheels directly drive ratchet moving gear shift speed change gear Download PDFInfo
- Publication number
- CN206797619U CN206797619U CN201720523667.9U CN201720523667U CN206797619U CN 206797619 U CN206797619 U CN 206797619U CN 201720523667 U CN201720523667 U CN 201720523667U CN 206797619 U CN206797619 U CN 206797619U
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- gear
- ratchet
- gearshift
- planet carrier
- pallet piece
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Abstract
The utility model discloses a kind of two front wheels and directly drives ratchet moving gear shift speed change gear, including：The near front wheel gear, off-front wheel gear and intermediate connector, the near front wheel gear includes center driving axle, axletree, stampede part, gearshift and at least a set of planetary transmission being arranged between axletree and stampede part, and often covering planetary transmission includes：Centre wheel, planet carrier, planetary gear and gear ring, the stampede part moves axially along center driving axle, the gearshift includes ratchet, at least one pallet piece frame being installed on stampede part and the gearshift pallet piece being installed on pallet piece frame, the pallet piece frame is provided with the elastic component for being used for controlling gearshift pallet piece initial position, the ratchet is arranged on center driving axle and/or centre wheel and/or planet carrier and/or gear ring, the structure of the off-front wheel gear is identical with the structure of the near front wheel gear, so as to substantially increase gearshift stability.
Description
【Technical field】
It the utility model is related to technical field of bicycles, and in particular to a kind of two front wheels directly drive ratchet moving gear shift and become quick-mounting
Put.
【Background technology】
With the development of tourist industry, Double-fronwheel cycle application is also more and more extensive, and two front wheels of the prior art are voluntarily
Car gear shift is typically all to move stampede part by using pin to realize, concrete structure is that flower in gearshift is set on stampede part
Key, then the gearshift external splines being engaged with gearshift internal spline is set respectively on each critical piece of planetary transmission, passed through
Stampede part is moved with pin so that the gearshift internal spline on stampede part outside the gearshift on each critical piece of planetary transmission respectively with spending
Key is engaged to realize gearshift, and the gearshift mode of this kind of spline engagement has following defect：1st, due to the limitation of structure, in order to
Stampede part is enabled to move left and right gearshift, the centre position of stampede part needs to leave space, therefore total is also just inadequate
It is compact；2nd, this kind of gearshift mode to need to set freewheel clutch in transmission system；3rd, spline docking difficulty is of a relatively high, because
No matter this gearshift is handling or gearshift stability is poor.
Therefore, it is necessary to providing a kind of two front wheels for solving above-mentioned technical problem directly drives ratchet moving gear shift speed change gear.
【Utility model content】
To solve the above problems, the purpose of this utility model is to provide a kind of pair compact-sized, gearshift stability is good
Front-wheel directly drives ratchet moving gear shift speed change gear.
To achieve the above object, the technical scheme that the utility model is taken is：A kind of two front wheels directly drive ratchet moving gear shift
Speed change gear, including：The near front wheel gear, off-front wheel gear and become for connecting the near front wheel gear and off-front wheel
The intermediate connector of fast mechanism, the intermediate connector are installed on vehicle frame and can rotated relative to vehicle frame, the left side
Front-wheel gear includes center driving axle, axletree, stampede part, gearshift and is arranged between axletree and stampede part
At least a set of planetary transmission, the axletree are sheathed on center driving axle and mutually fixed with vehicle frame, often cover planetary transmission
Including：Centre wheel, planet carrier, planetary gear and gear ring, the stampede part move axially along center driving axle, the gearshift
It is described including ratchet, at least one pallet piece frame being installed on stampede part and the gearshift pallet piece being installed on pallet piece frame
Pallet piece frame be provided be used for control gearshift pallet piece initial position elastic component, the ratchet be arranged at center driving axle and/
Or on centre wheel and/or planet carrier and/or gear ring, the structure of the off-front wheel gear and the structure of the near front wheel gear
It is identical.
Preferably, a kind of two front wheels in the utility model directly drive ratchet moving gear shift speed change gear and are further arranged to：
The stampede part includes stampeding section, tramples support from the first of the bending extension of stampeding section one end and prolong from the bending of the stampeding section other end
Second stretched tramples support.
Preferably, a kind of two front wheels in the utility model directly drive ratchet moving gear shift speed change gear and are further arranged to：
The quantity of the pallet piece frame is two, and two pallet piece framves are individually fixed in first and trampled on support, and described first tramples branch
Frame is provided with pilot hole in the opening position between two pallet piece framves, and the center driving axle is contained in the pilot hole.
Preferably, a kind of two front wheels in the utility model directly drive ratchet moving gear shift speed change gear and are further arranged to：
The second of the stampede part is trampled to be connected between the free terminal of support and intermediate connector by spline.
Preferably, a kind of two front wheels in the utility model directly drive ratchet moving gear shift speed change gear and are further arranged to：
The quantity of the planetary transmission is two sets, including：First planetary transmission and the second planetary transmission, first planet become
Fast device includes：First centre wheel, the first planet carrier, the first gear ring and the first planetary gear, second planetary transmission include：The
Two centre wheels, the second planet carrier, the second gear ring and the second planetary gear, first centre wheel are arranged on center driving axle, institute
State the second centre wheel to be arranged on axletree, second planet carrier is mutually fixed with the first planet carrier, first gear ring and
Two centre wheels are fixedly connected or are integrally formed, and first centre wheel is provided with the first ratchet being engaged with gearshift pallet piece, institute
State the first planet carrier or the second planet carrier and be provided with the second ratchet being engaged with gearshift pallet piece, second gear ring be provided with
The 3rd ratchet that gearshift pallet piece is engaged.
Preferably, a kind of two front wheels in the utility model directly drive ratchet moving gear shift speed change gear and are further arranged to：
The quantity of the planetary transmission is two sets, including：First planetary transmission and the second planetary transmission, first planet become
Fast device includes：First centre wheel, the first planet carrier, the first gear ring and the first planetary gear, second planetary transmission include：The
Two centre wheels, the second planet carrier, the second gear ring and the second planetary gear, first centre wheel and the second centre wheel may be contained within car
On wheel shaft, first planet carrier is arranged side by side with the second planet carrier, first planet carrier be fixedly connected with the second gear ring or
It is integrally formed, first gear ring is integrally formed or is fixedly connected with center driving axle, and first gear ring is provided with and spine of shifting gears
The first ratchet that bluff piece is engaged, second gear ring are provided with the second ratchet being engaged with gearshift pallet piece, second row
Carrier is provided with the 3rd ratchet being engaged with gearshift pallet piece.
Preferably, a kind of two front wheels in the utility model directly drive ratchet moving gear shift speed change gear and are further arranged to：
The quantity of the planetary transmission is a set of, including：Centre wheel, planet carrier, planetary gear and gear ring, during the centre wheel is arranged at
On heart power transmission shaft, the gear ring is integrally formed or is fixedly connected with axletree, and the planet carrier is provided with to match with gearshift pallet piece
The first ratchet closed, the center driving axle are provided with the second ratchet being engaged with gearshift pallet piece.
Preferably, a kind of two front wheels in the utility model directly drive ratchet moving gear shift speed change gear and are further arranged to：
The elastic component is spring, torsion spring or shell fragment.
Preferably, a kind of two front wheels in the utility model directly drive ratchet moving gear shift speed change gear and are further arranged to：
The pallet piece is provided with the ratchet portion being engaged with ratchet, and the ratchet portion is provided with engagement spigot surface.
Preferably, a kind of two front wheels in the utility model directly drive ratchet moving gear shift speed change gear and are further arranged to：
It is symmetrical structure that the two front wheels, which directly drive ratchet moving gear shift speed change gear,
Compared with prior art, the utility model has the advantages that：Two front wheels in the utility model directly drive spine
Pawl moving gear shift speed change gear makes traditional spline gearshift into pawl type gearshift, using pawl type gearshift
Not only compact-sized afterwards, gearshift manipulation is convenient and gearshift stability also greatly promotes, in addition the pawl type in the utility model
Gearshift is also used as freewheel clutch use, without reusing freewheel clutch in transmission system, therefore significantly
Simplify structure.
【Brief description of the drawings】
Fig. 1 is the structural representation that two front wheels directly drive ratchet moving gear shift speed change gear in the utility model embodiment 1.
Fig. 2 is the structural representation of the near front wheel gear in the utility model embodiment 1.
Fig. 3 is the decomposition texture schematic diagram of the near front wheel gear in the utility model embodiment 1.
Fig. 4 is the structural representation of the near front wheel gear in the utility model embodiment 2.
Fig. 5 is the decomposition texture schematic diagram of the near front wheel gear in the utility model embodiment 2.
Fig. 6 is the structural representation of the near front wheel gear in the utility model embodiment 3.
Fig. 7 is the decomposition texture schematic diagram of the near front wheel gear in the utility model embodiment 3.
In figure：1st, the near front wheel gear, 10, center driving axle, 11, axletree, 12, stampede part, 120, stampeding section,
121st, first support is trampled, 122, second tramples support, 123, pallet piece frame, 124, gearshift pallet piece, 125, pilot hole, 13,
Gearshift, the 14, first planetary transmission, the 140, first centre wheel, the 141, first planet carrier, the 142, first gear ring, 143,
One planetary gear, the 15, second planetary transmission, the 150, second centre wheel, the 151, second planet carrier, the 152, second gear ring, 153,
Two planetary gears, 160, centre wheel, 161, planet carrier, 162, planetary gear, 163, gear ring, 2, off-front wheel gear, 3, centre connects
Fitting, the 4, first ratchet, the 5, second ratchet, the 6, the 3rd ratchet.
【Embodiment】
Two-wheeled cycle is trampled to a kind of straight line described in the utility model below by specific embodiment to make further
It is described in detail.
Embodiment 1
To join shown in Fig. 1 to Fig. 3, a kind of two front wheels directly drive ratchet moving gear shift speed change gear, including：The near front wheel gear
1st, off-front wheel gear 2 and the intermediate connector 3 for connecting the near front wheel gear 1 and off-front wheel gear 2, it is described
Intermediate connector 3 is installed on vehicle frame and can rotated relative to vehicle frame, and the near front wheel gear 1 includes：Center
Power transmission shaft 10, axletree 11, stampede part 12, gearshift 13 and two sets of planets being arranged between axletree 11 and stampede part 12
Speed changer (the first planetary transmission 14 and the second planetary transmission 15), the axletree 11 is sheathed on center driving axle 10 simultaneously
Mutually fixed with vehicle frame, the structure of the off-front wheel gear 2 is identical with the structure of the near front wheel gear 1.
The stampede part 12 include stampeding section 120, from the one end of stampeding section 120 bending extension first trample support 121 and
Support 122 is trampled from the second of the bending extension of the other end of stampeding section 120, and described first tramples two spine are provided with support 121
Bluff piece frame 123, gearshift pallet piece 124 is installed and for controlling the initial position of pallet piece 124 of shifting gears on the pallet piece frame 123
Spring, described first tramples support 121 is provided with pilot hole 125 in the opening position between two pallet piece framves 123, described
Center driving axle 10 is contained in the pilot hole 125, and when mobile stampede part 12 is shifted gears, the pilot hole 125 can play guiding and make
With.Described second tramples and is connected between the free terminal of support 122 and intermediate connector 3 by spline.
First planetary transmission 14 includes：First centre wheel 140, the first planet carrier 141, the first gear ring 142 and
One planetary gear 143, second planetary transmission 15 include：Second centre wheel 150, the second planet carrier 151, the second gear ring 152
And second planetary gear 153, first centre wheel 140 be arranged on center driving axle 10 and with the one of center driving axle 10 into
Type, second centre wheel 150 are arranged on axletree 11 and are integrally formed with axletree 11,151 sets of second planet carrier
Fixed located at the outside of the first planet carrier 141 and with the phase of the first planet carrier 141, the centre wheel 150 of the first gear ring 142 and second
It is integrally formed, first centre wheel 140 is provided with the first ratchet 4 being engaged with gearshift pallet piece 124, first ratchet
4 are fixedly connected with the first centre wheel 140, and second planet carrier 151 is provided with the second ratchet being engaged with gearshift pallet piece 124
5, second ratchet 5 is integrally formed with the second planet carrier 151, and second gear ring 152 is provided with to match with gearshift pallet piece 124
The 3rd ratchet 6 closed, the 3rd ratchet 6 are integrally formed with the second gear ring 152, first ratchet 4, the second ratchet the 5, the 3rd
Ratchet 6, pallet piece frame 123 and gearshift pallet piece 124 collectively form gearshift 13, while can also make as freewheel clutch
With.
The operation principle that two front wheels directly drive ratchet moving gear shift speed change gear in the present embodiment is：A left side in the utility model
Front-wheel gear 1 realizes three gear speed changes altogether, and during bottom gear, gearshift pallet piece 124 is meshed with the first ratchet 4, stampede part 12
Rotate, drive gearshift pallet piece 124 to rotate, because gearshift pallet piece 124 is meshed with the first ratchet 4, therefore drive the first spine
Wheel 4 rotates, because the first ratchet 4 and the first centre wheel 140 are integrally formed, and the first centre wheel 140 and center driving axle 10
It is integrally formed, therefore the synchronous axial system of center driving axle 10, center driving axle 10 operate with motor car wheel；During middle speed gear, moved with pin
Stampede part 12 so that the gearshift pallet piece 124 on stampede part 12 is disengaged from the first ratchet 4 so that changing on stampede part 12
Gear pallet piece 124 is meshed with the 3rd ratchet 6, and the rotational band of stampede part 12 is moved gear pallet piece 124 and rotated, due to pallet piece of shifting gears
124 are meshed with the 3rd ratchet 6, and the 3rd ratchet 6 is integrally formed with the second gear ring 152, therefore drive 152 turns of the second gear ring
Dynamic, the second gear ring 152 imparts power to the second planet carrier 151, due to the second planet by the transmission of the second planetary gear 153
Frame 151 is fixedly connected with the first planet carrier 141, therefore power passes to the first planet carrier 141, the first planet carrier 141 further through
The transmission of first planetary gear 143 imparts power to the first centre wheel 140, due to the first centre wheel 140 and center driving axle 10
It is integrally formed, therefore power is ultimately transferred to center driving axle 10 and carries out power output by center driving axle 10, during top gear,
Stampede part 12 is moved with pin so that the gearshift pallet piece 124 on stampede part 12 is separated with the 3rd ratchet 6 to be engaged so that is trampled
Gearshift pallet piece 124 on part 12 is meshed with the second ratchet 5, because the second ratchet 5 and the second planet carrier 151 are integrally formed,
Therefore the rotation of stampede part 12 drives the second planet carrier 151 to rotate, because the second planet carrier 151 and the first planet carrier 141 are fixed
Connection, therefore drive the first planet carrier 141 to rotate, the first planet carrier 141 is by the transmission of the first planetary gear 143 by power transmission
To the first centre wheel 140, because the first centre wheel 140 is integrally formed with center driving axle 10, therefore during power is ultimately transferred to
Heart power transmission shaft 10 simultaneously carries out power output by center driving axle 10, in the present embodiment the operation principle of off-front wheel gear 2 with
The operation principle of the near front wheel gear 1 is identical.
Embodiment 2
Join shown in Fig. 4 and Fig. 5, the two front wheels in the present embodiment directly drive ratchet moving gear shift speed change gear remaining structure with
Embodiment 1 is identical, and difference is that the structure of planetary transmission is different and ratchet is arranged at position on planetary transmission
Difference, the quantity of the planetary transmission of the near front wheel gear 1 is two sets in the present embodiment, including：First planetary transmission 14
And second planetary transmission 15, first planetary transmission 14 include：First centre wheel 140, the first planet carrier 141, first
The planetary gear 143 of gear ring 142 and first, second planetary transmission 15 include：Second centre wheel 150, the second planet carrier 151,
Second gear ring 152 and the second planetary gear 153, the centre wheel 150 of the first centre wheel 140 and second may be contained within axletree 11
On, first planet carrier 141 is arranged side by side with the second planet carrier 151, and the gear ring 152 of the first planet carrier 141 and second is solid
Connect or be integrally formed calmly, first gear ring 142 is fixedly connected with center driving axle 10, first gear ring 142 be provided with
The first ratchet 4 that gearshift pallet piece 124 is engaged, first ratchet 4 are integrally formed with the first gear ring 142, second tooth
Circle 152 is provided with the second ratchet 5 being engaged with gearshift pallet piece 124, and second ratchet 5 is integrally formed with the second gear ring 152,
Second planet carrier 151 is provided with the 3rd ratchet 6 being engaged with gearshift pallet piece 124, the 3rd ratchet 6 and the second planet
Frame 151 is integrally formed.The structure of off-front wheel gear is identical with the structure of the near front wheel gear 1 in the present embodiment.
The operation principle of the near front wheel gear 1 is in the present embodiment：The near front wheel gear 1 in the utility model is common
Realize three gear speed changes, during bottom gear, gearshift pallet piece 124 is meshed with the first ratchet 4, and stampede part 12 rotates, and drives spine of shifting gears
Bluff piece 124 rotates, and because gearshift pallet piece 124 is meshed with the first ratchet 4, therefore drives the first ratchet 4 to rotate, due to first
Ratchet 4 is arranged on the outer circumference surface of the first gear ring 142, therefore drives the first gear ring 142 to rotate, due to the first gear ring 142 with
Center driving axle 10 is fixedly connected, therefore power is ultimately transferred to center driving axle 10 and to enter action edge by center driving axle 10 defeated
Go out, during middle speed gear, stampede part 12 is moved with pin so that the gearshift pallet piece 124 on stampede part 12 is nibbled with the disengaging of the first ratchet 4
Close so that the gearshift pallet piece 124 on stampede part 12 is meshed with the second ratchet 5, and the rotational band of stampeding section 120 moves gear pallet piece
124 rotate, and because gearshift pallet piece 124 is meshed with the second ratchet 5, and the second ratchet 5 is arranged at the outer of the second gear ring 152
On periphery, therefore the second gear ring 152 is driven to rotate, because the second gear ring 152 and the first planet carrier 141 are integrally formed, therefore
Power passes to the first planet carrier 141, and the first planet carrier 141 imparts power to first by the transmission of the first planetary gear 143
Gear ring 142, because the first gear ring 142 is fixedly connected with center driving axle 10, therefore power is ultimately transferred to center driving axle 10
And power output is carried out by center driving axle 10；During top gear, stampede part 12 is moved with pin so that the gearshift spine on stampede part 12
Bluff piece 124 is separated with the second ratchet 5 and engaged so that and the gearshift pallet piece 124 on stampede part 12 is meshed with the 3rd ratchet 6,
It is arranged at due to the 3rd ratchet 6 on the outer circumference surface of second planet carrier 151, therefore the run-in synchronism of the second planet carrier 151, pass through
The transmission of two planetary gears 153, the second planet carrier 151 impart power to the second gear ring 152, due to the second gear ring 152 and first
Planet carrier 141 is integrally formed, therefore the synchronous axial system of the first planet carrier 141, passes through the transmission of the first planetary gear 143, the first planet
Frame 141 imparts power to the first gear ring 142, and because the first gear ring 142 is fixedly connected with center driving axle 10, therefore power is most
Center driving axle 10 is passed to eventually and power output is carried out by center driving axle 10.Off-front wheel gear 2 in the present embodiment
Operation principle is identical with the operation principle of the near front wheel gear 1.
Embodiment 3
Join shown in Fig. 6 and Fig. 7, the two front wheels in the present embodiment directly drive ratchet moving gear shift speed change gear remaining structure with
Embodiment 1 is identical, and difference is that the tricks of planetary transmission is different and ratchet is arranged at position on planetary transmission
Difference, the quantity of planetary transmission is 1 set in the near front wheel gear 1 in the present embodiment, including：Centre wheel 160, planet carrier
161st, planetary gear 162 and gear ring 163, the centre wheel 160 are arranged on center driving axle 10, the gear ring 163 and axletree
11 are integrally formed or are fixedly connected, and the planet carrier 161 is provided with the first ratchet 4 being engaged with gearshift pallet piece 124, in described
Heart power transmission shaft 10 is provided with the second ratchet 5 being engaged with gearshift pallet piece 124.The structure of off-front wheel gear in the present embodiment
It is identical with the structure of the near front wheel gear 1.
Two front wheels in the present embodiment directly drive the operation principle of the near front wheel gear 1 in ratchet moving gear shift speed change gear
For：The near front wheel gear 1 in the present embodiment realizes two gear speed changes altogether, during bottom gear, the ratchet of pallet piece 124 and second of shifting gears
5 are meshed, and stampede part 12 rotates, and drive gearshift pallet piece 124 to rotate, because gearshift pallet piece 124 is nibbled with the phase of the second ratchet 5
Close, therefore drive the second ratchet 5 to rotate, because the second ratchet 5 is fixedly connected with center driving axle 10, therefore center driving axle 10
Synchronous axial system is gone forward side by side action edge output, during top gear, moves stampede part 12 with pin so that the gearshift pallet piece on stampede part 12
124 are separated with the second ratchet 5 engages so that and the gearshift pallet piece 124 on stampede part 12 is meshed with the first ratchet 4, due to
First ratchet 4 is arranged on the excircle of planet carrier, planet carrier synchronous axial system, and by the transmission of planetary gear, planet carrier is by power
Centre wheel is passed to, because centre wheel is arranged on center driving axle 10, therefore the synchronous axial system of center driving axle 10 is gone forward side by side action
Power exports.The operation principle of off-front wheel gear 2 is identical with the operation principle of the near front wheel gear 1 in the present embodiment.
In summary, the two front wheels in the utility model directly drive ratchet moving gear shift speed change gear and change traditional spline
Retaining device makes pawl type gearshift into, and using not only compact-sized after pawl type gearshift, gearshift manipulation is convenient and changes
Gear stability also greatly promotes, and the pawl type gearshift in the utility model is also used as freewheel clutch use in addition,
Without setting freewheel clutch again in planetary transmission, therefore it enormously simplify structure.
The principle and its effect that the above embodiments only illustrative the utility model is created, and the reality that part uses
Example is applied, not for limitation the utility model；It should be pointed out that for the person of ordinary skill of the art, this is not being departed from
On the premise of utility model creates design, various modifications and improvements can be made, these belong to protection of the present utility model
Scope.
Claims (10)
1. a kind of two front wheels directly drive ratchet moving gear shift speed change gear, it is characterised in that including：Before the near front wheel gear, the right side
Take turns gear and the intermediate connector for connecting the near front wheel gear and off-front wheel gear, the intermediate connector
Be installed on vehicle frame and can be rotated relative to vehicle frame, the near front wheel gear include center driving axle, axletree,
Stampede part, gearshift and at least a set of planetary transmission being arranged between axletree and stampede part, the axletree are arranged
Mutually fixed on center driving axle and with vehicle frame, often covering planetary transmission includes：Centre wheel, planet carrier, planetary gear and gear ring, institute
Stampede part is stated to move axially along center driving axle, the gearshift include ratchet, be installed on it is at least one on stampede part
Pallet piece frame and the gearshift pallet piece being installed on pallet piece frame, the pallet piece frame are provided with the beginning of for controlling gearshift pallet piece
Beginning position elastic component, the ratchet is arranged on center driving axle and/or centre wheel and/or planet carrier and/or gear ring, described
The structure of off-front wheel gear is identical with the structure of the near front wheel gear.
2. a kind of two front wheels as claimed in claim 1 directly drive ratchet moving gear shift speed change gear, it is characterised in that：It is described to trample
Part includes stampeding section, tramples support and extend from the bending of the stampeding section other end second from the first of the bending extension of stampeding section one end
Trample support.
3. a kind of two front wheels as claimed in claim 2 directly drive ratchet moving gear shift speed change gear, it is characterised in that：The ratchet
The quantity of part frame be two, two pallet piece framves are individually fixed in first and trampled on support, described first trample support positioned at
Opening position between two pallet piece framves is provided with pilot hole, and the center driving axle is contained in the pilot hole.
4. a kind of two front wheels as claimed in claim 2 directly drive ratchet moving gear shift speed change gear, it is characterised in that：It is described to trample
The second of part is trampled to be connected between the free terminal of support and intermediate connector by spline.
5. a kind of two front wheels as claimed in claim 1 directly drive ratchet moving gear shift speed change gear, it is characterised in that：The planet
The quantity of speed changer is two sets, including：First planetary transmission and the second planetary transmission, the first planetary transmission bag
Include：First centre wheel, the first planet carrier, the first gear ring and the first planetary gear, second planetary transmission include：Second center
Wheel, the second planet carrier, the second gear ring and the second planetary gear, first centre wheel are arranged on center driving axle, and described second
Centre wheel is arranged on axletree, and second planet carrier is mutually fixed with the first planet carrier, first gear ring and the second center
Wheel is fixedly connected or is integrally formed, first centre wheel be provided with the first ratchet for being engaged of gearshift pallet piece, described first
Planet carrier or the second planet carrier are provided with the second ratchet being engaged with gearshift pallet piece, and second gear ring is provided with and spine of shifting gears
The 3rd ratchet that bluff piece is engaged.
6. a kind of two front wheels as claimed in claim 1 directly drive ratchet moving gear shift speed change gear, it is characterised in that：The planet
The quantity of speed changer is two sets, including：First planetary transmission and the second planetary transmission, the first planetary transmission bag
Include：First centre wheel, the first planet carrier, the first gear ring and the first planetary gear, second planetary transmission include：Second center
Wheel, the second planet carrier, the second gear ring and the second planetary gear, first centre wheel and the second centre wheel may be contained within axletree
On, first planet carrier is arranged side by side with the second planet carrier, and first planet carrier is fixedly connected with the second gear ring or one
Shaping, first gear ring are integrally formed or are fixedly connected with center driving axle, and first gear ring is provided with and pallet piece of shifting gears
The first ratchet being engaged, second gear ring are provided with the second ratchet being engaged with gearshift pallet piece, second planet carrier
Provided with the 3rd ratchet being engaged with gearshift pallet piece.
7. a kind of two front wheels as claimed in claim 1 directly drive ratchet moving gear shift speed change gear, it is characterised in that：The planet
The quantity of speed changer is a set of, including：Centre wheel, planet carrier, planetary gear and gear ring, the centre wheel are arranged at center driving axle
On, the gear ring is integrally formed or is fixedly connected with axletree, and the planet carrier is provided with first be engaged with gearshift pallet piece
Ratchet, the center driving axle are provided with the second ratchet being engaged with gearshift pallet piece.
8. a kind of two front wheels as claimed in claim 1 directly drive ratchet moving gear shift speed change gear, it is characterised in that：The elasticity
Part is spring, torsion spring or shell fragment.
9. a kind of two front wheels as claimed in claim 1 directly drive ratchet moving gear shift speed change gear, it is characterised in that：The ratchet
Part is provided with the ratchet portion being engaged with ratchet, and the ratchet portion is provided with engagement spigot surface.
10. a kind of two front wheels as claimed in claim 1 directly drive ratchet moving gear shift speed change gear, it is characterised in that：It is described double
It is symmetrical structure that front-wheel, which directly drives ratchet moving gear shift speed change gear,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720523667.9U CN206797619U (en) | 2017-05-11 | 2017-05-11 | A kind of two front wheels directly drive ratchet moving gear shift speed change gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720523667.9U CN206797619U (en) | 2017-05-11 | 2017-05-11 | A kind of two front wheels directly drive ratchet moving gear shift speed change gear |
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| Publication Number | Publication Date |
|---|---|
| CN206797619U true CN206797619U (en) | 2017-12-26 |
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ID=60739677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720523667.9U Active CN206797619U (en) | 2017-05-11 | 2017-05-11 | A kind of two front wheels directly drive ratchet moving gear shift speed change gear |
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| Country | Link |
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| CN (1) | CN206797619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985960A (en) * | 2017-05-11 | 2017-07-28 | 张家港川梭车业有限公司 | A kind of two front wheels directly drive ratchet moving gear shift speed change gear |
-
2017
- 2017-05-11 CN CN201720523667.9U patent/CN206797619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985960A (en) * | 2017-05-11 | 2017-07-28 | 张家港川梭车业有限公司 | A kind of two front wheels directly drive ratchet moving gear shift speed change gear |
| CN106985960B (en) * | 2017-05-11 | 2022-09-06 | 张家港川梭车业有限公司 | Double-front-wheel direct-drive pawl moving and gear shifting speed change device |
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