CN108357625A - A kind of gear of single wheel drive two fully-automatic gearbox - Google Patents
A kind of gear of single wheel drive two fully-automatic gearbox Download PDFInfo
- Publication number
- CN108357625A CN108357625A CN201810365703.2A CN201810365703A CN108357625A CN 108357625 A CN108357625 A CN 108357625A CN 201810365703 A CN201810365703 A CN 201810365703A CN 108357625 A CN108357625 A CN 108357625A
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- China
- Prior art keywords
- pallet piece
- wheel
- ratchet
- fully
- automatic gearbox
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000013016 damping Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
- B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
- B62M11/16—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the ground-wheel hub
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention relates to a kind of single wheel drives two to keep off fully-automatic gearbox, including：At least one end of center driving axis, wheel hub, planetary transmission and pawl transmission mechanism, the center driving axis is equipped with wheel for inputting, and freewheel clutch is equipped between the wheel for inputting and center driving axis, and the planetary transmission includes：Centre wheel, planetary gear, planet carrier and gear ring, the pawl transmission mechanism includes pallet piece frame, at least one first pallet piece, at least one second pallet piece, the first ratchet and the second ratchet, the pallet piece frame is integrally formed or is fixedly connected with wheel hub, second pallet piece is centrifugal ratchet part, first ratchet is set on planet carrier, second ratchet is set on centre wheel, and first ratchet and the first pallet piece remain meshing state.Speed changer in the present invention can realize that low speed than starting, is ridden more easily, 1 when fast block:1 output, reduces the transmission of planetary transmission, improves transmission efficiency.
Description
【Technical field】
The present invention relates to bicycle arts more particularly to a kind of single wheel drive two to keep off fully-automatic gearbox.
【Background technology】
Bicycle speed-varying unit is divided into two kinds of internal speed changer and outer speed changer, outer speed changer be use open link chain mechanism for
Transmission system makes chain transform to by stirring the selector being installed in front of bicycle and realizes different chains on different flywheels
Transmission ratio is easier to get rusty since outer speed changer is exposed outside, and is easy to be interfered by external force, so through
Often periodic maintenance is needed to maintain, internal speed changer mainly using planetary gear mechanism as transmission main body, is sealed in inside flower-drum,
By multilayer special seal material protection, so rainwater, dust, grease etc. cannot be introduced into, so there is no need to time-based maintenances, realize and exempt from
The advantages of maintenance.The now following defect of internal speed changer generally existing in the art：1, internal speed changer top gear in the prior art
When the output of general 2.3~3 times of speed ratios, because to pass through the transmission of planetary transmission when top gear, therefore increase energy loss,
Reduce transmission efficiency；2, it is relatively high to start speed for internal speed changer in the prior art.
It is therefore desirable to provide a kind of gear fully-automatic gearbox of single wheel drive two solving above-mentioned technical problem.
【Invention content】
To solve the above problems, the purpose of the present invention is to provide a kind of light, transmission efficiency single wheel drives of riding
Two gear fully-automatic gearboxs.
To achieve the above object, the technical solution that the present invention takes is：A kind of gear of single wheel drive two fully-automatic gearbox, packet
It includes：Center driving axis, wheel hub and the planetary transmission being set between center driving axis and wheel hub and pawl transmission mechanism, it is described
At least one end of center driving axis is equipped with wheel for inputting, and the planetary transmission includes：Centre wheel, planetary gear, planet carrier and gear ring,
The centre wheel is integrally formed or is fixedly connected with center driving axis, and the gear ring is fixedly connected with vehicle frame or damping is connect, institute
It includes pallet piece frame, at least one first pallet piece, at least one second pallet piece, the first ratchet and to state pawl transmission mechanism
Two ratchets, the pallet piece frame is integrally formed or is fixedly connected with wheel hub, in first pallet piece and first ratchet the two,
In one be set on planet carrier, another is set on pallet piece frame or on wheel hub, first ratchet and the first pallet piece
Remain that meshing state, second pallet piece are installed on pallet piece frame, second pallet piece is centrifugal ratchet part, institute
The second ratchet is stated to be set on centre wheel.
Preferably, a kind of single wheel drive two in the present invention is kept off fully-automatic gearbox and is further arranged to：The wheel for inputting
Freewheel clutch is equipped between center driving axis.
Preferably, a kind of single wheel drive two in the present invention is kept off fully-automatic gearbox and is further arranged to：The center passes
One end of moving axis is equipped with wheel for inputting, and the wheel for inputting is fixedly connected with center driving axis.
Preferably, a kind of single wheel drive two in the present invention is kept off fully-automatic gearbox and is further arranged to：The pallet piece
It is provided at least one first container and at least one second container, first container is arranged side by side with the second container
Cloth, first pallet piece are contained in the first container and are connect with pallet piece frame by pin, the second pallet piece receiving
It is connect in the second container and by pin with pallet piece frame.
Preferably, a kind of single wheel drive two in the present invention is kept off fully-automatic gearbox and is further arranged to：First spine
Wheel is set on the outer circumference surface of planet carrier one end.
Preferably, a kind of single wheel drive two in the present invention is kept off fully-automatic gearbox and is further arranged to：The pallet piece
It is provided at least one container, second pallet piece is contained in container and is connect with pallet piece frame by pin.
Preferably, a kind of single wheel drive two in the present invention is kept off fully-automatic gearbox and is further arranged to：First spine
Bluff piece is flexibly set in one end of planet carrier, and first ratchet is set on the inner peripheral surface of wheel hub.
Preferably, a kind of single wheel drive two in the present invention is kept off fully-automatic gearbox and is further arranged to：Second spine
Bluff piece includes main part, clump weight and intermediate connector, by solid between the main part, clump weight and intermediate connector three
Determine part connection, the inside of the main part is equipped with pawl portion, and the pawl portion is located at the two of the second pallet piece with clump weight
The junction of end, second pallet piece and pallet piece frame is set to the middle position of the second pallet piece.
Preferably, a kind of single wheel drive two in the present invention is kept off fully-automatic gearbox and is further arranged to：Second spine
Wheel is set on the outer circumference surface of centre wheel one end.
Preferably, a kind of single wheel drive two in the present invention is kept off fully-automatic gearbox and is further arranged to：The wheel hub
One end is equipped with end cap and the first fastening screw nut, and the other end of the wheel hub is equipped with the second fastening screw nut, the end cap and wheel hub and
It is connected by ball between first fastening screw nut, is connected by ball between the gear ring and wheel hub and the second fastening screw nut.
Compared with prior art, the present invention has the advantages that：Speed changer in the present invention centrifuges spine by setting
Bluff piece reduces shift assembly, it can be achieved that self shifter, and structure is simpler, and in addition the speed changer in the present invention can be realized low
Speed ratio starts, and rides more easily, 1 when fast block:1 output, reduces the transmission of planetary transmission, has improved transmission efficiency.
【Description of the drawings】
Fig. 1 is the structural schematic diagram that single wheel drive two keeps off fully-automatic gearbox in the embodiment of the present invention 1.
Fig. 2 is the schematic cross-sectional view that single wheel drive two keeps off fully-automatic gearbox in the embodiment of the present invention 1.
Fig. 3 is the decomposition texture schematic diagram that single wheel drive two keeps off fully-automatic gearbox in the embodiment of the present invention 1.
Fig. 4 is the structural schematic diagram that single wheel drive two keeps off fully-automatic gearbox in the embodiment of the present invention 2.
In figure：1, center driving axis, 2, wheel hub, 20, end cap, the 21, first fastening screw nut, the 22, second fastening screw nut, 3, row
Star speed changer, 30, centre wheel, 31, planetary gear, 32, planet carrier, 33, gear ring, 4, pawl transmission mechanism, 40, pallet piece frame,
400, the first container, the 401, second container, the 41, first pallet piece, the 42, second pallet piece, 420, main part, 4200, spine
Claw, 421, clump weight, 422, intermediate connector, 423, pin hole, the 43, first ratchet, the 44, second ratchet, 5, wheel for inputting, 50,
Freewheel clutch.
【Specific implementation mode】
It is further to a kind of gear of single wheel drive two fully-automatic gearbox work of the present invention below by specific embodiment
Detailed description.
Embodiment 1
Join shown in Fig. 1 to Fig. 3, a kind of gear of single wheel drive two fully-automatic gearbox, including：Center driving axis 1, wheel hub 2 and
The planetary transmission 3 and pawl transmission mechanism 4 being set between center driving axis 1 and wheel hub 2, the two of the center driving axis 1
End is respectively equipped with wheel for inputting 5, freewheel clutch 50 is equipped between the wheel for inputting 5 and center driving axis 1, input is all arranged in both ends
Wheel 5 is mainly used on straight line treadled cycle.
The planetary transmission 3 includes：Centre wheel 30, planetary gear 31, planet carrier 32 and gear ring 33, the centre wheel 30 with
Center driving axis 1 is connected by spline and realizes fixation, and the gear ring 33 is fixedly connected with vehicle frame or damping is connect, and the pawl passes
Motivation structure 4 includes 40, two the first pallet pieces of pallet piece frame, 41, two the second pallet pieces 42, the first ratchet 43 and the second ratchet
44, the pallet piece frame 40 is set in wheel hub 2 and is integrally formed or is fixedly connected with wheel hub 2, and the pallet piece frame 40 is equipped with
Several first containers 400 and several second containers 401, first container, 400 and second container 401 are arranged side by side
Cloth, first pallet piece 41 are contained in the first container 400 and are connect with pallet piece frame 40 by pin, second pawl
Part 42 is contained in the second container 401 and is connect with pallet piece frame 40 by pin.First ratchet 43 is set to planet carrier
On the outer circumference surface of 32 one end, second ratchet 44 is set on the outer circumference surface of 30 one end of centre wheel, first pawl
Part 41 is normally opened pallet piece (i.e. the first pallet piece 41 always with the first ratchet 43 holding meshing state), on the pallet piece frame 40
Equipped with the elastic component (not shown) for controlling 41 initial position of the first pallet piece, second pallet piece 42 is centrifugal ratchet
Part, second pallet piece 42 include main part 420, clump weight 421 and intermediate connector 422, the main part 420, counterweight
It being connected by fixing piece between 422 three of block 421 and intermediate connector, the inside of the main part 420 is equipped with pawl portion 4200,
The pawl portion 4200 is located at the both ends of the second pallet piece 42, the interposition of second pallet piece 42 with clump weight 421
Place is set to be equipped with and the matched pin hole of pin 423.In the present embodiment, the main part 420, clump weight 421 and intermediate connection
422 three of part is fixedly connected, certainly in other implementations, the main part 420, clump weight 421 and intermediate connector
422 threes can also be integrally formed, and the present invention equally may be implemented.
One end of the wheel hub 2 is equipped with end cap 20 and the first fastening screw nut 21, and the other end of the wheel hub 2 is equipped with second simultaneously
Tight nut 22, is connected between the end cap 20 and wheel hub 2 and the first fastening screw nut 21 by ball, the gear ring 33 and wheel hub 2
And second connected by ball between fastening screw nut 22.
The operation principle of the gear of single wheel drive two fully-automatic gearbox is in the present invention：When one gear starts, wheel for inputting 5 transmits dynamic
Power is to center driving axis 1, and since center driving axis 1 is fixedly connected with centre wheel 30, centre wheel 30 rotates, and centre wheel 30 is logical
The transmission for crossing planetary gear 31 imparts power to planet carrier 32, planet carrier 32 and is set on 32 one end outer circumference surface of planet carrier
First ratchet 43 rotates, and since the first ratchet 43 is meshed with the first pallet piece 41, and the first pallet piece 41 is set to pawl
On part frame 40, pallet piece frame 40 is fixedly connected with wheel hub 2 again, therefore power is ultimately transferred to wheel hub 2 and by wheel hub 2 into action edge
Output, this process are deceleration passing power process, therefore low speed can be realized than startup, when two gears accelerate, the second pallet piece 42 1
The clump weight 421 at end is moved using pin as basic point along the direction far from axle center by the effect of centrifugal force, to make to be located at the second pawl
The pawl portion 4200 of 42 other end of part is moved to axis direction, the pawl portion 4200 of the second pallet piece 42 to make and centre wheel
The second ratchet 44 on 30 is meshed, and 5 passing power of wheel for inputting is to center driving axis 1, due to center driving axis 1 and centre wheel 30
It is fixedly connected, therefore centre wheel 30 rotates, since the second ratchet 44 on centre wheel 30 is meshed with the second pallet piece 42, second
Pallet piece 42 is set on pallet piece frame 40 again, and pallet piece frame 40 is fixedly connected with wheel hub 2, therefore power final 1:1 passes to
Wheel hub 2 simultaneously carries out power output by wheel hub 2, and when two gears, planet carrier 32 is in servo-actuated state.
In conclusion the speed changer in the present invention is by being arranged centrifugal ratchet part, it can be achieved that self shifter, reduces shift
Component, structure is simpler, and in addition the speed changer in the present invention can realize that low speed than starting, is ridden more easily, 1 when fast block:1
Output, reduces the transmission of planetary transmission, has improved transmission efficiency.
Embodiment 2
To join described in Fig. 4, it is same as Example 1 that single wheel drive two in embodiment 2 keeps off fully-automatic gearbox remaining structure,
The difference is that：In embodiment 1, in order to which speed changer to be applied on straight line treadled cycle, the two of center driving axis 1
End is respectively provided with wheel for inputting 5, and in the present embodiment, in order to be suitable for circumference treadled cycle, only in center driving axis 1
One end be provided with wheel for inputting 5.
Embodiment 3
Single wheel drive two in embodiment 3 keeps off that fully-automatic gearbox remaining structure is same as Example 1, and difference exists
In：In embodiment 1, first pallet piece 41 is set on pallet piece frame 40, and first ratchet 43 is set to planet carrier
On the outer circumference surface of 32 one end, and in the present embodiment, first pallet piece 41 is flexibly set in one end of planet carrier 32,
First ratchet 43 is set on the inner peripheral surface of wheel hub 2.
The principles and effects of the invention are only illustrated in the above embodiments, and the implementation that part uses
Example, and is not intended to limit the present invention；It should be pointed out that for those of ordinary skill in the art, not departing from wound of the present invention
Under the premise of making design, various modifications and improvements can be made, these are all within the scope of protection of the present invention.
Claims (10)
1. a kind of single wheel drive two keeps off fully-automatic gearbox, which is characterized in that including：It center driving axis, wheel hub and is set to
At least one end of planetary transmission between heart transmission shaft and wheel hub and pawl transmission mechanism, the center driving axis is equipped with input
Wheel, the planetary transmission include：Centre wheel, planetary gear, planet carrier and gear ring, the centre wheel and center driving axis one at
Type is fixedly connected, and the gear ring is fixedly connected with vehicle frame or damping is connect, and the pawl transmission mechanism includes pallet piece frame, extremely
Few first pallet piece, at least one second pallet piece, the first ratchet and the second ratchet, the pallet piece frame and wheel hub one
It is molded or is fixedly connected, in first pallet piece and first ratchet the two, one of them is set on planet carrier, another sets
It is placed on pallet piece frame or on wheel hub, first ratchet and the first pallet piece remain meshing state, second pawl
Part is installed on pallet piece frame, and second pallet piece is centrifugal ratchet part, and second ratchet is set on centre wheel.
2. a kind of single wheel drive two as described in claim 1 keeps off fully-automatic gearbox, it is characterised in that：The wheel for inputting is in
Freewheel clutch is equipped between heart transmission shaft.
3. a kind of single wheel drive two as described in claim 1 keeps off fully-automatic gearbox, it is characterised in that：The center driving axis
One end be equipped with wheel for inputting, the wheel for inputting is fixedly connected with center driving axis.
4. a kind of single wheel drive two as described in claim 1 keeps off fully-automatic gearbox, it is characterised in that：The pallet piece is set up
There are at least one first container and at least one second container, first container and the second container laid out in parallel,
First pallet piece is contained in the first container and is connect with pallet piece frame by pin, and second pallet piece is contained in the
It is connect with pallet piece frame in two containers and by pin.
5. a kind of single wheel drive two as claimed in claim 4 keeps off fully-automatic gearbox, it is characterised in that：First ratchet is set
It is placed on the outer circumference surface of planet carrier one end.
6. a kind of single wheel drive two as described in claim 1 keeps off fully-automatic gearbox, it is characterised in that：The pallet piece is set up
There are at least one container, second pallet piece to be contained in container and connect with pallet piece frame by pin.
7. a kind of single wheel drive two stated such as claim 6 keeps off fully-automatic gearbox, it is characterised in that：The first pallet piece bullet
Property is set to one end of planet carrier, and first ratchet is set on the inner peripheral surface of wheel hub.
8. a kind of single wheel drive two as described in claim 1 keeps off fully-automatic gearbox, it is characterised in that：Second pallet piece
Including main part, clump weight and intermediate connector, pass through fixing piece between the main part, clump weight and intermediate connector three
The inside of connection, the main part is equipped with pawl portion, and the pawl portion is located at the both ends of the second pallet piece, institute with clump weight
The junction for stating the second pallet piece and pallet piece frame is set to the middle position of the second pallet piece.
9. a kind of single wheel drive two as described in claim 1 keeps off fully-automatic gearbox, it is characterised in that：Second ratchet is set
It is placed on the outer circumference surface of centre wheel one end.
10. a kind of single wheel drive two as described in claims 1 or 2 or 3 keeps off fully-automatic gearbox, it is characterised in that：The wheel
One end of hub is equipped with end cap and the first fastening screw nut, and the other end of the wheel hub is equipped with the second fastening screw nut, the end cap and wheel
It is connected by ball between hub and the first fastening screw nut, is connected by ball between the gear ring and wheel hub and the second fastening screw nut
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810365703.2A CN108357625A (en) | 2018-04-23 | 2018-04-23 | A kind of gear of single wheel drive two fully-automatic gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810365703.2A CN108357625A (en) | 2018-04-23 | 2018-04-23 | A kind of gear of single wheel drive two fully-automatic gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108357625A true CN108357625A (en) | 2018-08-03 |
Family
ID=63008841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810365703.2A Pending CN108357625A (en) | 2018-04-23 | 2018-04-23 | A kind of gear of single wheel drive two fully-automatic gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108357625A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3492893A (en) * | 1967-08-11 | 1970-02-03 | Shimano Industrial Co | Three-stage speed change bicycle hub with built-in automatic speed change mechanism |
| GB1286898A (en) * | 1969-12-15 | 1972-08-23 | Fichtel & Sachs Ag | Automatic shift multispeed gear hub with a normal speed and two high speeds |
| CN106428403A (en) * | 2016-08-31 | 2017-02-22 | 张家港川梭车业有限公司 | Three-level variable-speed drive device stable in speed change |
| CN106741562A (en) * | 2017-01-20 | 2017-05-31 | 张家港川梭车业有限公司 | A kind of straight line tramples single-wheel and directly drives gear ring center wheel fixed transmission |
| CN106969102A (en) * | 2017-05-11 | 2017-07-21 | 张家港川梭车业有限公司 | A kind of single wheel drive ratchet movable type gearshift two keeps off speed change gear |
| CN206682233U (en) * | 2017-03-22 | 2017-11-28 | 张家港川梭车业有限公司 | Single wheel drive two keeps off fully-automatic gearbox after a kind of |
| CN208102247U (en) * | 2018-04-23 | 2018-11-16 | 张家港川梭车业有限公司 | A kind of gear of single wheel drive two fully-automatic gearbox |
-
2018
- 2018-04-23 CN CN201810365703.2A patent/CN108357625A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3492893A (en) * | 1967-08-11 | 1970-02-03 | Shimano Industrial Co | Three-stage speed change bicycle hub with built-in automatic speed change mechanism |
| GB1286898A (en) * | 1969-12-15 | 1972-08-23 | Fichtel & Sachs Ag | Automatic shift multispeed gear hub with a normal speed and two high speeds |
| CN106428403A (en) * | 2016-08-31 | 2017-02-22 | 张家港川梭车业有限公司 | Three-level variable-speed drive device stable in speed change |
| CN106741562A (en) * | 2017-01-20 | 2017-05-31 | 张家港川梭车业有限公司 | A kind of straight line tramples single-wheel and directly drives gear ring center wheel fixed transmission |
| CN206682233U (en) * | 2017-03-22 | 2017-11-28 | 张家港川梭车业有限公司 | Single wheel drive two keeps off fully-automatic gearbox after a kind of |
| CN106969102A (en) * | 2017-05-11 | 2017-07-21 | 张家港川梭车业有限公司 | A kind of single wheel drive ratchet movable type gearshift two keeps off speed change gear |
| CN208102247U (en) * | 2018-04-23 | 2018-11-16 | 张家港川梭车业有限公司 | A kind of gear of single wheel drive two fully-automatic gearbox |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180803 |