CN106005236B - A kind of planetary transmission built-in bicycle variable transmission mechanism - Google Patents
A kind of planetary transmission built-in bicycle variable transmission mechanism Download PDFInfo
- Publication number
- CN106005236B CN106005236B CN201610554698.0A CN201610554698A CN106005236B CN 106005236 B CN106005236 B CN 106005236B CN 201610554698 A CN201610554698 A CN 201610554698A CN 106005236 B CN106005236 B CN 106005236B
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- spline
- shift
- driving axis
- center driving
- hub
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- 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 invention discloses a kind of planetary transmission built-in bicycle variable transmission mechanisms, including two fixed seats, are fixedly connected respectively with the vehicle frame of bicycle；Wheel hub is rotationally connected between two fixed seats；Center driving axis, is arranged in wheel hub；Planetary transmission, including centre wheel, planetary gear, planet carrier and gear ring, gear ring are set in wheel hub, planet carrier is sheathed on center driving axis, planetary gear is set on planet carrier, and planetary gear is also connect with centre wheel external toothing, and centre wheel is connect with hub drive；Two trample crank, are respectively fixedly connected in the both ends of center driving axis；Shift assembly, including shift spline and group retaining device, shift spline housing are set on center driving axis, are dialled retaining device and are connect with shift spline drived.Compared to the prior art, planetary transmission is set in wheel hub the present invention, dials retaining device and shift spline is driven to be moved to centre wheel or planet carrier drive connection, simple in structure to realize the shift of vehicle, easy to operate.
Description
Technical field
The invention belongs to vehicle traction technical fields, and in particular to a kind of planetary transmission built-in bicycle gear
Mechanism.
Background technology
Bicycle is the walking-replacing tool in people's daily life, usually has at least one speed change gear, is used for vehicle row
The shift control sailed.
In the prior art, speed change gear is generally set to the outside of wheel hub, and structure is more complicated, inconvenient for operation.
Therefore, there is an urgent need for a kind of planetary transmission built-in bicycle variable transmission mechanisms of simple operation.
Invention content
In order to solve the above technical problem, the present invention provides a kind of planetary transmission built-in bicycle gear machines
Structure.
In order to achieve the above object, technical scheme is as follows：
The present invention provides a kind of planetary transmission built-in bicycle variable transmission mechanism, including：
Two fixed seats are fixedly connected with the vehicle frame of bicycle respectively；
Wheel hub is rotationally connected between two fixed seats；
Center driving axis, is arranged in wheel hub；
Planetary transmission, including centre wheel, planetary gear, planet carrier and gear ring, gear ring are set in wheel hub, gear ring with appoint
One fixed seat is fixedly connected or is integrally formed, and planet carrier is sheathed on center driving axis, and planetary gear is set on planet carrier
And engagement be connected in gear ring, planetary gear is also connect with centre wheel external toothing, centre wheel be sheathed on center driving axis and with
Hub drive connects；
Two trample crank, are respectively fixedly connected in the both ends of center driving axis；
Shift assembly, including shift spline and group retaining device, shift spline housing are set on center driving axis and are passed along center
The axial movement of moving axis is arranged, and dials retaining device and is connect with shift spline drived, for driving shift spline along center driving axis
It moves axially to be sequentially connected with centre wheel or planet carrier.
Compared to the prior art, planetary transmission is set in wheel hub the present invention, is dialled retaining device and is driven shift spline movement
It is sequentially connected to centre wheel or planet carrier, it is simple in structure to realize the shift of vehicle, it is easy to operate.
Wherein, above-mentioned wheel hub includes first round hub and the second hub portion, and fixed seat includes the first fixed seat and second
Fixed seat, first round hub are sheathed in the first fixed seat, and gear ring is set in first round hub, and gear ring and the first fixed seat are solid
Fixed connection is integrally formed, centre wheel be sheathed in the second fixed seat with the drive connection of the second hub portion, the second hub portion or
Second fixed seating is set in the second hub portion.
As another optimal technical scheme, it is additionally provided with freewheel clutch, the inner peripheral surface of second hub portion one end is in
A vessel is formed between the outer circumference surface of heart wheel one end, freewheel clutch is arranged in vessel.
As another optimal technical scheme, for the ease of connecting and installing, above-mentioned center driving axis center is set in an axial direction
It is equipped with axially extending bore, is hollow shaft, the axial middle part of center driving axis is provided with external splines.On the external splines of center driving axis
Its axial direction is provided at least one elongated slot, elongated slot is radial to logical setting with center driving axis.
As another optimal technical scheme, dialled according to actual conditions it can be selected that above-mentioned retaining device of dialling is to dial bar
Bar is arranged in the axially extending bore of center driving axis, is dialled and is provided with connecting pin between bar and shift spline, dials in bar
Portion has been disposed radially one group of bar through-hole, is provided with external splines on the outer circumference surface for spline of shifting gears, the inner periphery for spline of shifting gears
Internal spline is provided on face, the external splines for spline of shifting gears is matched with the internal spline of centre wheel, planet carrier, the interior flower for spline of shifting gears
Key engages connection with the external splines of center driving axis, and the middle part for spline of shifting gears radially is provided at least one shift spline and leads to
Hole, shift spline through-hole and the axial bore for spline of shifting gears are radial to logical setting, and connecting pin, which is arranged in, to be dialled in bar through-hole and wear
Cross elongated slot, the shift spline through-hole of center driving axis.
As another optimal technical scheme, according to actual conditions, it is also an option that it is shift fork, shift spline edge to dial retaining device
Its axial both ends is respectively arranged with shift connection spline and shift fork connector, and interior flower is provided on the inner peripheral surface for spline of shifting gears
Key, shift connection spline are matched with the internal spline of centre wheel, planet carrier, the internal spline of spline of shifting gears and center driving axis outside
Spline engagement connects, and shift fork is connect with shift fork connector.
Description of the drawings
Fig. 1 is the overall structure diagram of one embodiment of the present invention.
Fig. 2 is the structural schematic diagram of centre wheel in one embodiment of the present invention.
Fig. 3 is the structural schematic diagram of planet carrier in one embodiment of the present invention.
Fig. 4 is the structural schematic diagram of center driving axis in one embodiment of the present invention.
Fig. 5 is the structural schematic diagram of shift assembly in one embodiment of the present invention.
Fig. 6 is the structural schematic diagram of shift assembly in another embodiment of the present invention.
Wherein, 10. fixed seat, 20. wheel hubs, 30. center driving axis, 40. centre wheels, 41. planetary gears, 42. planet carriers,
43. gear ring, 50. trample crank, 60. groups of retaining devices, 61. shift splines, 70. freewheel clutches.
Specific implementation mode
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
In order to reach the purpose of the present invention, as shown in Figures 1 to 4, provided in the one of which embodiment of the present invention
A kind of planetary transmission built-in bicycle variable transmission mechanism, including：
Two fixed seats 10, are fixedly connected with the vehicle frame of bicycle respectively；
Wheel hub 20 is rotationally connected between two fixed seats 10；
Center driving axis 30 is arranged in wheel hub 20；
Planetary transmission, including centre wheel 40, planetary gear 41, planet carrier 42 and gear ring 43, gear ring 43 are set to wheel hub
In 20, gear ring 43 is fixedly connected or is integrally formed with a fixed seat 10, and planet carrier 42 is sheathed on center driving axis 30, planet
Gear 41 is set on planet carrier 42 and engages and is connected in gear ring 43, and planetary gear 41 is also connect with 40 external toothing of centre wheel,
Centre wheel 40 is sheathed on center driving axis 30 and is sequentially connected with wheel hub 20；
Two trample crank 50, are respectively fixedly connected in the both ends of center driving axis；
Shift assembly, including shift spline 61 and dial retaining device 60, shift spline 61 be sheathed on center driving axis 30 and
Axial movement along center driving axis 30 is arranged, and dials retaining device 60 and is sequentially connected with shift spline 61, for driving shift spline
61 move axially to be sequentially connected with centre wheel 40 or planet carrier 42 along center driving axis 30.
Compared to the prior art, planetary transmission is set in wheel hub 20 present embodiment, is dialled retaining device 60 and is driven shift
Spline 61 is moved to centre wheel 40 or planet carrier 42 is sequentially connected, simple in structure to realize the shift of vehicle, easy to operate.
Wherein, above-mentioned wheel hub 20 include first round hub and the second hub portion, fixed seat 10 include the first fixed seat and
Second fixed seat, first round hub are sheathed in the first fixed seat, and gear ring 43 is set in first round hub, gear ring 43 and first
Fixed seat is fixedly connected or is integrally formed, and centre wheel 40 and the second hub portion are sequentially connected, and the second hub portion is sheathed on second
In fixed seat or the second fixed seating is set in the second hub portion.
As shown in Figure 1, in order to further optimize the implementation result of the present invention, in another embodiment of the invention
In, according to actual conditions, it can be selected that it is additionally provided with freewheel clutch 70, the inner peripheral surface of second hub portion one end and center
It takes turns and forms a vessel between the outer circumference surface of 40 one end, freewheel clutch 70 is arranged in vessel.
In order to further optimize the implementation result of the present invention, in another embodiment of the invention, for the ease of
Connection and installation, above-mentioned center driving axis center is axially disposed axially extending bore, is hollow shaft, center driving axis 30
Axial middle part is provided with external splines.The external splines upper edge of center driving axis 30 its axially setting there are one elongated slot, elongated slot and center
The radial of transmission shaft 30 is arranged to logical.
Such as Fig. 5 in order to further optimize the implementation result of the present invention, in another embodiment of the invention, according to
Actual conditions are dialled bar and are arranged in center driving axis 30, dial bar it can be selected that above-mentioned retaining device 60 of dialling is to dial bar
It is provided with connecting pin between shift spline 61, dials and has been disposed radially one group of bar through-hole in the middle part of bar, spline 61 of shifting gears
Outer circumference surface on be provided with external splines, be provided with internal spline on the inner peripheral surface for spline 61 of shifting gears, the external splines for spline of shifting gears
It is matched with the internal spline of centre wheel 40, planet carrier 42, the internal spline for spline of shifting gears is engaged with the external splines of center driving axis 30
The middle part of connection, shift spline 61 is radially provided with a shift spline through-hole, the axis of shift spline through-hole and spline of shifting gears
Inward hole is radial to logical setting, and it is logical that connecting pin is arranged in elongated slot, the shift spline dialled in bar through-hole and across center driving axis
Hole.
As shown in fig. 6, in order to further optimize the implementation result of the present invention, in another embodiment of the invention
In, according to actual conditions, it is also an option that it is shift fork to dial retaining device 60, shift spline 61 is respectively arranged with along its axial both ends
Shift connects spline and shift fork connector, internal spline is provided on the inner peripheral surface for spline 61 of shifting gears, shift connection spline is in
Heart wheel 40, planet carrier 42 internal spline match, shift spline 61 internal spline engage company with the external splines of center driving axis 30
It connects, shift fork is connect with shift fork connector.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (7)
1. a kind of planetary transmission built-in bicycle variable transmission mechanism, which is characterized in that including：
Two fixed seats are fixedly connected with the vehicle frame of bicycle respectively；
Wheel hub is rotationally connected between two fixed seats；
Center driving axis is arranged in the wheel hub；
Planetary transmission, including centre wheel, planetary gear, planet carrier and gear ring, the gear ring is set in the wheel hub, described
Gear ring is fixedly connected or is integrally formed with any fixed seat；
The planet carrier is sheathed on the center driving axis, and the planetary gear is set on the planet carrier and engages connection
In in the gear ring, the planetary gear is also connect with the centre wheel external toothing, and the centre wheel is sheathed on the center and passes
It is connect on moving axis and with the hub drive；
Two trample crank, are respectively fixedly connected in the both ends of the center driving axis；
Shift assembly, including shift spline and group retaining device, the shift spline housing are set on the center driving axis and along institute
The axial movement setting of center driving axis is stated, described group of retaining device is connect with the shift spline drived, for driving described change
Gear spline moves axially to be sequentially connected with the centre wheel or planet carrier along the center driving axis.
2. planetary transmission built-in bicycle variable transmission mechanism according to claim 1, which is characterized in that the wheel
Hub includes first round hub and the second hub portion, and the fixed seat includes the first fixed seat and the second fixed seat, the first round
Hub is sheathed in first fixed seat, and the gear ring is set in the first round hub, the gear ring and described first
Fixed seat is fixedly connected or is integrally formed, and the centre wheel is sequentially connected with second hub portion, second hub portion
It is sheathed in second fixed seat or second fixed seating is set in second hub portion.
3. planetary transmission built-in bicycle variable transmission mechanism according to claim 2, which is characterized in that also set up
There is freewheel clutch, one is formed between the inner peripheral surface of second hub portion one end and the outer circumference surface of described centre wheel one end
Vessel, the freewheel clutch are arranged in the vessel.
4. planetary transmission built-in bicycle variable transmission mechanism according to claim 1, which is characterized in that in described
Heart center transmission shaft is axially disposed axially extending bore, is hollow shaft, and the axial direction middle part of the center driving axis is provided with outside
Spline.
5. planetary transmission built-in bicycle variable transmission mechanism according to claim 4, which is characterized in that in described
Its axial direction of the external splines upper edge of heart transmission shaft is provided at least one elongated slot, and the axial direction of the elongated slot and the center driving axis is logical
Hole is radial to logical setting.
6. planetary transmission built-in bicycle variable transmission mechanism according to claim 5, which is characterized in that described group
Retaining device is to dial bar, and described group of bar is arranged in the axially extending bore of the center driving axis, and described group of bar is changed with described
It is provided with connecting pin between gear spline, one group of bar through-hole, the shift spline have been disposed radially in the middle part of described group of bar
Outer circumference surface on be provided with external splines, internal spline is provided on the inner peripheral surface of the shift spline, the shift spline
External splines is matched with the internal spline of the centre wheel, planet carrier, the internal spline and the center driving axis of the shift spline
External splines engagement connection, it is described shift spline middle part be radially provided at least one shift spline through-hole, the shift
Spline through-hole and the axial bore of the shift spline are radial to logical setting, and the connecting pin is arranged in described dial in bar through-hole
And across the elongated slot of center driving axis, shift spline through-hole.
7. planetary transmission built-in bicycle variable transmission mechanism according to claim 1, which is characterized in that dial gear machine
Structure is shift fork, and the shift spline is respectively arranged with shift connection spline and shift fork connector along its axial both ends, described to change
It keeps off on the inner peripheral surface of spline and is provided with internal spline, the internal spline phase of shift the connection spline and the centre wheel, planet carrier
The internal spline of cooperation, the shift spline engages connection, the shift fork and the shift fork with the external splines of the center driving axis
Connector connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610554698.0A CN106005236B (en) | 2016-07-14 | 2016-07-14 | A kind of planetary transmission built-in bicycle variable transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610554698.0A CN106005236B (en) | 2016-07-14 | 2016-07-14 | A kind of planetary transmission built-in bicycle variable transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106005236A CN106005236A (en) | 2016-10-12 |
| CN106005236B true CN106005236B (en) | 2018-10-26 |
Family
ID=57118836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610554698.0A Active CN106005236B (en) | 2016-07-14 | 2016-07-14 | A kind of planetary transmission built-in bicycle variable transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106005236B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627975B (en) * | 2017-01-20 | 2021-12-17 | 张家港川梭车业有限公司 | Single-wheel direct-drive transmission is trampled to straight line |
| CN110406623A (en) * | 2019-08-20 | 2019-11-05 | 浙江科技学院 | A kind of electric bicycle overdrive clutch non-clashing gear set |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2159770C2 (en) * | 1971-12-02 | 1983-03-03 | Fichtel & Sachs Ag, 8720 Schweinfurt | Multi-speed gear hub |
| US6325739B1 (en) * | 1999-12-29 | 2001-12-04 | Shimano, Inc. | Bicycle hub transmission with a mechanism for stopping rotation of one or more sun gears relative to another member |
| EP1495958A3 (en) * | 2003-07-10 | 2005-12-07 | Manfred Schumacher | Hub transmission for direct driven pedal vehicle |
| CN104494775B (en) * | 2014-12-10 | 2017-05-24 | 张家港市九鼎机械有限公司 | Light-weight speed changing device and bicycle adopting light-weight speed changing device |
| CN205837121U (en) * | 2016-07-14 | 2016-12-28 | 张家港川梭车业有限公司 | A kind of planetary transmission built-in bicycle variable transmission mechanism |
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2016
- 2016-07-14 CN CN201610554698.0A patent/CN106005236B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106005236A (en) | 2016-10-12 |
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