CN106005236A - Planetary gearbox built-in type bicycle speed change transmission mechanism - Google Patents
Planetary gearbox built-in type bicycle speed change transmission mechanism Download PDFInfo
- Publication number
- CN106005236A CN106005236A CN201610554698.0A CN201610554698A CN106005236A CN 106005236 A CN106005236 A CN 106005236A CN 201610554698 A CN201610554698 A CN 201610554698A CN 106005236 A CN106005236 A CN 106005236A
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- China
- Prior art keywords
- spline
- gearshift
- wheel
- driving axle
- planetary
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Classifications
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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 planetary gearbox built-in type bicycle speed change transmission mechanism. The planetary gearbox built-in type bicycle speed change transmission mechanism comprises two fixed seats, a wheel hub, a central transmission shaft, a planetary gearbox, two treading cranks and a gear shifting assembly, wherein the fixed seats are fixedly connected with a frame of a bicycle respectively; the wheel hub is rotatably connected between the two fixed seats; the central transmission shaft penetrates into the wheel hub; the planetary gearbox comprises a central wheel, a planetary gear, a planetary carrier and a gear ring; the gear ring is arranged in the wheel hub; the planetary carrier sleeves on the central transmission shaft; the planetary gear is arranged on the planetary carrier; the planetary gear is further externally engaged with the central wheel; the central wheel is in transmission connection with the wheel hub; the two treading cranks are fixedly connected to the two ends of the central transmission shaft respectively; the gear shifting assembly comprises a gear shifting spline and a gear stirring mechanism; the gear shifting spline sleeves on the central transmission shaft; and the gear stirring mechanism is in transmission connection with the gear shifting spline. Compared with the prior art, the planetary gearbox is arranged in the wheel hub and the gear stirring mechanism drives the gear shifting spline to move to be in transmission connection with the central wheel or the planetary carrier so that gear shifting of vehicles is realized; and the planetary gearbox built-in type bicycle speed change transmission mechanism is simple in structure and convenient to operate.
Description
Technical field
The invention belongs to vehicle traction technical field, be specifically related to a kind of planetary transmission built-in
Bicycle shift drive mechanism.
Background technology
Bicycle is the walking-replacing tool in people's daily life, is generally of at least one speed change dress
Putting, the gearshift travelled for vehicle controls.
In prior art, speed change gear is generally arranged at the outside of wheel hub, complicated structure,
Inconvenient operation.
Therefore, the planetary transmission built-in bicycle gear machine of a kind of simple operation is needed badly
Structure.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of planetary transmission built-in certainly
Driving variable transmission mechanism.
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 fix seat, and it is fixed with the vehicle frame of bicycle respectively and is connected；
Wheel hub, it is rotationally connected with two and fixes between seat；
Center driving axle, it is arranged in wheel hub；
Planetary transmission, including centre wheel, planetary gear, planet carrier and gear ring, gear ring is arranged
In wheel hub, gear ring is fixing with arbitrary fixing seat to be connected or one-body molded, and planet carrier is sheathed on
On center driving axle, planetary gear is arranged on planet carrier and engages and is connected in gear ring, planet
Gear is also connected with centre wheel external toothing, and centre wheel is sheathed on center driving axle and passes with wheel hub
It is dynamically connected；
Two trample crank, and it is respectively fixedly connected with in the two ends of center driving axle；
Gearshift assembly, including gearshift spline and fork shift mechanism, gearshift spline housing is located at center driving
On axle and along the setting that moves axially of center driving axle, fork shift mechanism is with gearshift spline drived even
Connect, for driving gearshift spline moving axially to and centre wheel or planet carrier along center driving axle
It is in transmission connection.
The present invention is compared to prior art, and planetary transmission is arranged in wheel hub, and fork shift mechanism carries
Move gear spline to move to centre wheel or planet carrier and be in transmission connection, thus realize the gearshift of vehicle,
Simple in construction, easy to operate.
Wherein, above-mentioned wheel hub includes first wheel portion and the second hub portion, and fixing seat includes
One fixes seat and second fixes seat, and first wheel portion is sheathed on first and fixes on seat, and gear ring is arranged
In first wheel portion, gear ring and first fixes that seat is fixing to be connected or one-body molded, centre wheel
Being in transmission connection with the second hub portion, the second hub portion is sheathed on second and fixes on seat or second fix
Cover for seat is located in the second hub portion.
As another optimal technical scheme, it is additionally provided with freewheel clutch, second hub portion one end
Inner peripheral surface and the outer circumference surface of centre wheel one end between form a cavity volume, freewheel clutch sets
Put in cavity volume.
As another optimal technical scheme, for the ease of connecting and installing, above-mentioned center driving
Axle has axially extending bore centrally along axially arranged, and it is quill shaft, the axial middle part of center driving axle
It is provided with external splines.Axially arranged there is at least one long along it on the external splines of center driving axle
The radial direction of groove, elongated slot and center driving axle is to logical setting.
As another optimal technical scheme, according to practical situation, can select, above-mentioned fork shift
Mechanism is fork shift bar, and fork shift bar is arranged in the axially extending bore of center driving axle, fork shift bar with change
Being provided with connecting pin between gear spline, the middle part of fork shift bar has been disposed radially a fork shift bar and has led to
Hole, the outer circumference surface of gearshift spline is provided with external splines, the inner peripheral surface of gearshift spline sets
Being equipped with internal spline, the external splines of gearshift spline matches with the internal spline of centre wheel, planet carrier,
The internal spline of gearshift spline engages with the external splines of center driving axle and is connected, the middle part of gearshift spline
Radially it is provided with at least one gearshift spline through hole, gearshift spline through hole and gearshift spline
Axial bore is radially to logical setting, in connecting pin is arranged in fork shift rod through-hole and through center driving
The elongated slot of axle, gearshift spline through hole.
As another optimal technical scheme, according to practical situation, it is also possible to selection fork shift mechanism is
Shift fork, gearshift spline is respectively arranged with gearshift and connects spline and shift fork connection along its axial two ends
Part, the inner peripheral surface of gearshift spline is provided with internal spline, gearshift connect spline and centre wheel,
The internal spline of planet carrier matches, and the internal spline of gearshift spline is nibbled with the external splines of center driving axle
Closing and connect, shift fork is connected with shift fork connector.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of one embodiment of the present invention.
Fig. 2 is the structural representation of centre wheel in one embodiment of the present invention.
Fig. 3 is the structural representation of planet carrier in one embodiment of the present invention.
Fig. 4 is the structural representation of center driving axle in one embodiment of the present invention.
Fig. 5 is the structural representation of assembly of shifting gears in one embodiment of the present invention.
Fig. 6 is the structural representation of assembly of shifting gears in another embodiment of the present invention.
Wherein, seat, 20. wheel hubs, 30. center driving axles, 40. centre wheels, 41. planets are 10. fixed
Gear, 42. planet carriers, 43. gear rings, 50. trample crank, 60. fork shift mechanisms, 61. gearshift splines,
70. freewheel clutches.
Detailed description of the invention
Describe the preferred embodiment of the present invention below in conjunction with the accompanying drawings in detail.
In order to reach the purpose of the present invention, as shown in Figures 1 to 4, in wherein the one of the present invention
Plant and embodiment provides a kind of planetary transmission built-in bicycle variable transmission mechanism, bag
Include:
Two fix seat 10, and it is fixed with the vehicle frame of bicycle respectively and is connected；
Wheel hub 20, it is rotationally connected with two and fixes between seat 10；
Center driving axle 30, it 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 is arranged in wheel hub 20, and gear ring 43 fixes with one that seat 10 is fixing to be connected or integrally
Molding, planet carrier 42 is sheathed on center driving axle 30, and planetary gear 41 is arranged at planet
On frame 42 and engagement be connected in gear ring 43, planetary gear 41 also with centre wheel 40 external toothing
Connecting, centre wheel 40 is sheathed on center driving axle 30 and is in transmission connection with wheel hub 20；
Two trample crank 50, and it is respectively fixedly connected with in the two ends of center driving axle；
Gearshift assembly, including gearshift spline 61 and fork shift mechanism 60, gearshift spline 61 is sheathed on
On center driving axle 30 and along the setting that moves axially of center driving axle 30, fork shift mechanism 60
It is in transmission connection with gearshift spline 61, for driving gearshift spline 61 along center driving axle 30
Move axially to be in transmission connection with centre wheel 40 or planet carrier 42.
Present embodiment is compared to prior art, and planetary transmission is arranged in wheel hub 20, dials
Gear mechanism 60 drives gearshift spline 61 to move to centre wheel 40 or planet carrier 42 and is in transmission connection,
Thus realize the gearshift of vehicle, and simple in construction, easy to operate.
Wherein, above-mentioned wheel hub 20 includes first wheel portion and the second hub portion, fixing seat 10
Fixing seat and second including first and fix seat, first wheel portion is sheathed on first and fixes on seat, tooth
Circle 43 is arranged in first wheel portion, and gear ring 43 fixes with first that seat is fixing to be connected or integrally
Molding, centre wheel 40 is in transmission connection with the second hub portion, and it is solid that the second hub portion is sheathed on second
In reservation or the second fixed seating is located in the second hub portion.
As it is shown in figure 1, for the implementation result optimizing the present invention further, the present invention's
In another embodiment, according to practical situation, can select, be additionally provided with freewheel clutch
70, shape between inner peripheral surface and the outer circumference surface of centre wheel 40 one end of second hub portion one end
A cavity volume, freewheel clutch 70 is become to be arranged in cavity volume.
In order to optimize the implementation result of the present invention further, the another kind of embodiment party of the present invention
In formula, for the ease of connecting and installing, above-mentioned center driving axle has axle centrally along axially arranged
To through hole, it is quill shaft, and the axially middle part of center driving axle 30 is provided with external splines.In
Axially arranged an elongated slot, elongated slot and center driving is had along it on the external splines of heart power transmission shaft 30
The radial direction of axle 30 is to logical setting.
As Fig. 5 is in order to optimize the implementation result of the present invention further, at the another kind of the present invention
In embodiment, according to practical situation, can select, above-mentioned fork shift mechanism 60 is fork shift
Bar, fork shift bar is arranged in center driving axle 30, arranges between fork shift bar and gearshift spline 61
Connecting pin, the middle part of fork shift bar is had to be disposed radially a fork shift rod through-hole, spline 61 of shifting gears
Outer circumference surface on be provided with external splines, the inner peripheral surface of gearshift spline 61 is provided with interior flower
Key, the external splines of gearshift spline matches with the internal spline of centre wheel 40, planet carrier 42, changes
The internal spline of gear spline engages with the external splines of center driving axle 30 and is connected, gearshift spline 61
Middle part is radially provided with a gearshift spline through hole, gearshift spline through hole and the axle of gearshift spline
Inward hole is radially to logical setting, in connecting pin is arranged in fork shift rod through-hole and through center driving axle
Elongated slot, gearshift spline through hole.
As shown in Figure 6, in order to optimize the implementation result of the present invention further, the present invention's
In another embodiment, according to practical situation, it is also possible to selecting fork shift mechanism 60 is shift fork,
Gearshift spline 61 is respectively arranged with gearshift and connects spline and shift fork connector along its axial two ends,
Be provided with internal spline on the inner peripheral surface of gearshift spline 61, gearshift connect spline and centre wheel 40,
The internal spline of planet carrier 42 matches, the internal spline of gearshift spline 61 and center driving axle 30
External splines engagement connect, shift fork is connected with shift fork connector.
Above-described is only the preferred embodiment of the present invention, it is noted that for this area
Those of ordinary skill for, without departing from the concept of the premise of the invention, it is also possible to do
Going out some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (7)
1. a planetary transmission built-in bicycle variable transmission mechanism, it is characterised in that including:
Two fix seat, and it is fixed with the vehicle frame of bicycle respectively and is connected；
Wheel hub, it is rotationally connected with described two and fixes between seat；
Center driving axle, it is arranged in described wheel hub；
Planetary transmission, including centre wheel, planetary gear, planet carrier and gear ring, described gear ring sets
Being placed in described wheel hub, described gear ring is fixing with arbitrary described fixing seat to be connected or one-body molded；
Described planet carrier is sheathed on described center driving axle, and described planetary gear is arranged at described row
In carrier and engagement be connected in described gear ring, described planetary gear also with described centre wheel external toothing
Connecting, described centre wheel is sheathed on described center driving axle and is connected with described hub drive；
Two trample crank, and it is respectively fixedly connected with in the two ends of described center driving axle；
Gearshift assembly, including gearshift spline and fork shift mechanism, described gearshift spline housing be located at described in
On heart power transmission shaft and along the setting that moves axially of described center driving axle, described fork shift mechanism is with described
Gearshift spline drived connects, for driving described gearshift spline along the axial shifting of described center driving axle
Move and be in transmission connection to described centre wheel or planet carrier.
Planetary transmission built-in bicycle variable transmission mechanism the most according to claim 1, its
Being characterised by, described wheel hub includes that first wheel portion and the second hub portion, described fixing seat include
One fixes seat and second fixes seat, and described first wheel portion is sheathed on described first and fixes on seat, institute
Stating gear ring to be arranged in described first wheel portion, described gear ring fixes with described first that seat is fixing to be connected
Or one-body molded, described centre wheel is in transmission connection with described second hub portion, described second wheel hub
Portion is sheathed on described second and fixes on seat or described second fixed seating is located at described second hub portion
On.
Planetary transmission built-in bicycle variable transmission mechanism the most according to claim 2, its
It is characterised by, is additionally provided with freewheel clutch, the inner peripheral surface of described second hub portion one end and institute
Stating and form a cavity volume between the outer circumference surface of centre wheel one end, described freewheel clutch is arranged on described
In cavity volume.
Planetary transmission built-in bicycle variable transmission mechanism the most according to claim 1, its
Being characterised by, described center driving axle has axially extending bore centrally along axially arranged, and it is quill shaft,
The axially middle part of described center driving axle is provided with external splines.
Planetary transmission built-in bicycle variable transmission mechanism the most according to claim 4, its
It is characterised by axially arranged having at least one elongated slot along it on the external splines of described center driving axle,
The axially extending bore of described elongated slot and described center driving axle is radially to logical setting.
Planetary transmission built-in bicycle variable transmission mechanism the most according to claim 5, its
Being characterised by, described fork shift mechanism is fork shift bar, and described fork shift bar is arranged in described center driving axle
Axially extending bore in, be provided with connecting pin between described fork shift bar and described gearshift spline, described group
The middle part of lever has been disposed radially a fork shift rod through-hole, and the outer circumference surface of described gearshift spline sets
It is equipped with external splines, the inner peripheral surface of described gearshift spline is provided with internal spline, described gearshift spline
External splines match with the internal spline of described centre wheel, planet carrier, the interior flower of described gearshift spline
Key engages with the external splines of described center driving axle and is connected, and the middle part of described gearshift spline is radially
Being provided with at least one gearshift spline through hole, described gearshift spline through hole is axial with described gearshift spline
Endoporus, radially to logical setting, passes in described connecting pin is arranged in described fork shift rod through-hole and through center
The elongated slot of moving axis, gearshift spline through hole.
Planetary transmission built-in bicycle variable transmission mechanism the most according to claim 1, its
Being characterised by, fork shift mechanism is shift fork, and described gearshift spline is respectively arranged with along its axial two ends
Gearshift connects spline and shift fork connector, and the inner peripheral surface of described gearshift spline is provided with internal spline,
Described gearshift connects spline and matches with the internal spline of described centre wheel, planet carrier, described gearshift flower
The internal spline of key engages with the external splines of described center driving axle and is connected, described shift fork and described shift fork
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 true CN106005236A (en) | 2016-10-12 |
| CN106005236B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627975A (en) * | 2017-01-20 | 2017-05-10 | 张家港川梭车业有限公司 | Linear pedaling single-wheel direct drive transmission |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3828627A (en) * | 1971-12-02 | 1974-08-13 | Fichtel & Sachs Ag | Multiple-speed hub |
| CN1301654A (en) * | 1999-12-29 | 2001-07-04 | 株式会社岛野 | Bicycle hub driver |
| EP1495958A2 (en) * | 2003-07-10 | 2005-01-12 | Manfred Schumacher | Hub transmission for direct driven pedal vehicle |
| CN104494775A (en) * | 2014-12-10 | 2015-04-08 | 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 |
-
2016
- 2016-07-14 CN CN201610554698.0A patent/CN106005236B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3828627A (en) * | 1971-12-02 | 1974-08-13 | Fichtel & Sachs Ag | Multiple-speed hub |
| CN1301654A (en) * | 1999-12-29 | 2001-07-04 | 株式会社岛野 | Bicycle hub driver |
| EP1495958A2 (en) * | 2003-07-10 | 2005-01-12 | Manfred Schumacher | Hub transmission for direct driven pedal vehicle |
| CN104494775A (en) * | 2014-12-10 | 2015-04-08 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627975A (en) * | 2017-01-20 | 2017-05-10 | 张家港川梭车业有限公司 | Linear pedaling single-wheel direct drive transmission |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106005236B (en) | 2018-10-26 |
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