CN208216917U - Step-less speed changing planetary gear system - Google Patents
Step-less speed changing planetary gear system Download PDFInfo
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- CN208216917U CN208216917U CN201820708557.4U CN201820708557U CN208216917U CN 208216917 U CN208216917 U CN 208216917U CN 201820708557 U CN201820708557 U CN 201820708557U CN 208216917 U CN208216917 U CN 208216917U
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- gear
- freewheel clutch
- axis
- sliding block
- rocker
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Abstract
Step-less speed changing planetary gear system, rear enclosure is connect with middle shaft gear by crank to fasten into axis, middle shaft gear is engaged with rocker gear drives rocker gear rotation; rocker gear is provided centrally with the circular hole for installing speed regulation conical gear; the speed regulation conical gear other end is equipped with the flywheel that rotation can be rolled on speed regulation conical gear, carries out Speed Braking to flywheel by brake clip and flexible axle；The big end of rocker gear is provided with guide rail, sliding slot is provided on guide rail, screw rod conical gear is installed in guide rail, sliding block is mounted in sliding slot, and sliding block one end is screwed with screw rod conical gear, the sliding block other end is connect with connecting rod, and connecting rod is connect with sector gear, and gear shaft is mounted in the center hole of sector gear；Cooperate sector gear to slide on sliding block by setting rocker gear, to change displacement of the sliding block in T-slot, to change eccentricity, realizes variable speed, effectively improve the comfort level of riding of user.
Description
Technical field
The utility model relates to Variable Speed Technology field more particularly to a kind of step-less speed changing planetary gear systems.
Background technique
Traditional bicycle shift generally by the tower sprocket wheel being mounted on axis be mounted on it is tower on rear axle
Sprocket wheel stirs intermediate chain, to change drive sprocket and by the position of movable sprocket to realize bicycle step speed change, however
Chain is easy to become loose or dislocation in use for some time, need to repair or replace, and speed change be not time it is time all successful, especially
It is to ride in uphill way, seriously affects the experience of riding of user.
Utility model content
The technical issues of the utility model is solved is to provide step-less speed changing planetary gear system, to solve above-mentioned background
Disadvantage in technology.
The technical problem solved by the utility model is implemented by the following technical solutions:
Step-less speed changing planetary gear system, including middle shaft gear, rocker gear, sector gear, connecting rod, duplicate gear, tooth
Wheel shaft, intermediate gear, lower freewheel clutch, lower freewheel clutch axis, lower freewheel clutch internal gear, rear axle gear, on surmount
Clutch, upper freewheel clutch axis, upper freewheel clutch internal gear, axis, crank, flexible axle, screw rod conical gear, speed regulation circular cone
Gear, flywheel, brake clip, rear axle and rear shaft clutch；Wherein, axis gear set is on axis, crank and middle shaft gear
Connection, middle shaft gear are engaged with rocker gear, and rocker gear is provided centrally with the circular hole for installing speed regulation conical gear, speed regulation
The conical gear other end is equipped with the flywheel that rotation can be rolled on speed regulation conical gear, and flexible axle one end and speed adjusting lever connect
It connects, the other end is connect with brake clip, and brake clip is connect with flywheel, carries out braking tune to flywheel by brake clip and flexible axle
Speed；The big end of rocker gear is provided with guide rail, and sliding slot is provided on guide rail, and screw rod conical gear, sliding block peace are equipped in guide rail
In sliding slot, and sliding block one end is screwed with screw rod conical gear, and the sliding block other end is connect with connecting rod, and connecting rod and sector gear connect
It connects, gear shaft is mounted in the center hole of sector gear；The lower freewheel clutch internal gear engaged with sector gear is mounted on
On lower freewheel clutch axis, lower freewheel clutch axis is mounted in lower freewheel clutch inner circle, lower freewheel clutch gear ring installation
On lower freewheel clutch outer ring；The upper freewheel clutch internal gear engaged with sector gear is mounted on upper freewheel clutch axis
On, upper freewheel clutch axis is mounted in freewheel clutch inner circle, the upper freewheel clutch gear ring peace engaged with rear axle gear
On upper freewheel clutch outer ring, upper freewheel clutch internal gear is engaged with intermediate gear, and intermediate gear is nibbled with duplicate gear
It closes, duplicate gear is engaged with lower freewheel clutch internal gear, and rear axle gear is mounted on rear axle, and rear axle is mounted on rear shaft clutch
On.
In the present invention, rocker gear is arranged in axis gearcase, and middle shaft gear is provided on axis gearcase
Box cover.
In the present invention, the guide rail of the big end setting of rocker gear is T-type guide rail, the sliding slot being arranged on T-type guide rail
For T-slot.
In the present invention, sliding block one end is provided with the nut for screwing with screw rod conical gear, the sliding block other end
It is provided with rolling bearing, connecting rod is mounted in rolling bearing.
In the present invention, rear shaft clutch is mounted in rear axle gear box cover.
In the present invention, lower freewheel clutch and upper freewheel clutch are mounted in rear axle gear box.
In the present invention, the flywheel of speed regulation conical gear other end installation is fastened by flat key.
In the present invention, specific speed-change process is as follows:
When bicycle need to step on the juice, the speed adjusting lever on handlebar is screwed, brake clip is tensed by flexible axle, flywheel is stopped
Firmly, flywheel stops rotating, and crank is rotating always, is mounted on the screw rod conical gear in rocker gear in speed regulation circular cone tooth
Rotation is rolled on wheel, the eccentricity of sliding block is expanded, and when crank rotation speed is constant, speed is accelerated；When speed need to be slowed down,
Anti- crank of stepping on rotates counterclockwise it, equally screws speed adjusting lever, and flexible axle tenses brake clip, flywheel is checked, and adjusts the speed
Wheel stops rotating, and crank continues to rotate counterclockwise, and screw rod conical gear rolls rotation on speed regulation conical gear, will slide
Block eccentricity reduces, and speed slows down；Whether accelerate or slow down, as long as fade to required speed, by the speed regulation on handlebar
Handle unclamps.
The utility model has the advantages that the utility model cooperates sector gear to slide on sliding block by setting rocker gear, and then change
Displacement of the sliding block in T-slot, to change eccentricity, when eccentricity is big, sector gear swing angle increases, and speed is accelerated,
Conversely, the small speed of eccentric distance slows down, the change of sliding block eccentric distance be it is stepless, variable speed can be realized in this way, and then solve
Certainly current bicycle step speed change there are the problem of, improve the comfort level of riding of user.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the preferred embodiment of the utility model.
Fig. 2 is cross-sectional view at A-A in Fig. 1.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Referring to the step-less speed changing planetary gear system of Fig. 1~2, including axis gearcase 1, middle shaft gear 2, rocker gear 3,
Rolling bearing 4, sector gear 5, connecting rod 6, rear axle gear box 7, duplicate gear 8, gear shaft 9, intermediate gear 10, lower overdrive clutch
It is device 11, lower freewheel clutch gear ring 12, lower freewheel clutch axis 13, lower freewheel clutch internal gear 14, rear axle gear 15, upper super
More clutch 16, upper freewheel clutch gear ring 17, upper freewheel clutch axis 18, upper freewheel clutch internal gear 19, axis 20, song
Handle 21, flexible axle 22, screw rod conical gear 23, flat key 24, speed regulation conical gear 25, flywheel 26, brake clip 27, sliding block 28, in
Shaft gear box cover 29, rear axle 30, rear shaft clutch 31, rear axle gear box cover 32；Wherein, middle shaft gear 2 is set on axis 20,
Crank 21 is connect with middle shaft gear 2, and middle shaft gear 2 is engaged with the rocker gear 3 being arranged in axis gearcase 1, rocker gear 3
It is provided centrally with a circular hole, speed regulation conical gear 25 is installed, and be equipped in circular hole in the other end of speed regulation conical gear 25
The flywheel 26 fastened by flat key 24,22 one end of flexible axle are connect with speed adjusting lever, and the other end is connect with brake clip 27, brake clip
27 connect with flywheel 26, carry out Speed Braking to flywheel 26 by brake clip 27 and flexible axle 22；The big end of rocker gear 3 is set
It is equipped with T-type guide rail, T-slot is provided on T-type guide rail, screw rod conical gear 23 is installed in T-type guide rail, sliding block 28 is mounted on T
In type groove, and 28 one end of sliding block is provided with nut, and for screwing with screw rod conical gear 23,28 other end of sliding block is provided with rolling
Bearing 4,6 one end of connecting rod are mounted in rolling bearing 4, and the other end is connect with sector gear 5, in the center hole of sector gear 5
Sprocket drive spindle 9 is installed；The lower freewheel clutch internal gear 14 engaged with sector gear 5 is mounted on lower freewheel clutch axis 13,
Lower freewheel clutch axis 13 is mounted in lower 11 inner circle of freewheel clutch, and lower freewheel clutch gear ring 12 is mounted on lower overdrive clutch
On 11 outer ring of device；The upper freewheel clutch internal gear 19 engaged with sector gear 5 is mounted on upper freewheel clutch axis 18, upper super
More clutch shaft 18 is mounted in 16 inner circle of freewheel clutch, upper freewheel clutch gear ring 17 peace engaged with rear axle gear 15
On upper 16 outer ring of freewheel clutch, upper freewheel clutch internal gear 19 is engaged with intermediate gear 10, intermediate gear 10 and double
Join gear 8 to engage, duplicate gear 8 is engaged with lower freewheel clutch internal gear 14, and rear axle gear 15 is mounted on rear axle 30, rear axle
30 are mounted on rear shaft clutch 31, and rear shaft clutch 31 is mounted in rear axle gear box cover 32；Lower freewheel clutch 11 with it is upper
Freewheel clutch 16 is mounted in rear axle gear box 7, and axis gear box cover 29 is provided on axis gearcase 1.
In the present embodiment, specific installation is as follows:
Crank 21 is connect with middle shaft gear 2 first, then by middle shaft gear 2 pack into axis 20 fasten after with axis gearcase
Rocker gear 3 in 1 engages, and then speed regulation conical gear 25 is mounted in the circular hole of rocker gear 3, in speed regulation conical gear
25 other end installation flywheel 26 is fastened using flat key 24, carries out braking tune to flywheel 25 using brake clip 27 and flexible axle 22
Speed；Screw rod conical gear 23 successively is installed in the T-type guide rail of rocker gear 3, sliding block 28 is installed in T-slot, by sliding block 28 1
The nut at end is screwed with screw rod conical gear 23, the rolling bearing 4 connecting with connecting rod 6 is installed in 28 other end of sliding block, and will even
Bar 6 is connect with sector gear 5, then will the installation of gear shaft 9 to fastening in the center hole of sector gear 5, surmount by under again from
Clutch internal gear 14 puts into the inner circle of lower freewheel clutch 11, and lower freewheel clutch gear ring 12 is put into outside lower freewheel clutch 11
Circle fastens rear axle gear box 7 after refilling lower freewheel clutch axis 13, then upper freewheel clutch internal gear 19 is put into and is surmounted
The inner circle of clutch 16, upper freewheel clutch gear ring 17 put into the outer ring of upper freewheel clutch 16, are loaded on freewheel clutch axis
18 fasten, and lower freewheel clutch internal gear 14 is engaged with sector gear 5, and rear axle gear 15 is nibbled with upper freewheel clutch gear ring 17
It closes, upper freewheel clutch internal gear 19 is engaged with sector gear 5.Pass through intermediate gear 10, doubly-linked gear 8 and lower freewheel clutch
Internal gear 14, the engagement of upper freewheel clutch internal gear 19, are transmitted to rear axle 30, rear shaft clutch 31 for driving force, after driving
Wheel advances；Axis gear box cover 29, rear axle gear box cover 32 are installed together simultaneously during the installation process.
In the present embodiment, specific speed-change process is as follows:
When bicycle need to step on the juice, the speed adjusting lever on handlebar is screwed, tensing brake clip 27 by flexible axle 22 will adjust the speed
Wheel 26 is checked, and flywheel 26 stops rotating, and crank 21 is rotating always, the screw rod conical gear 23 in rocker gear 3
Rotation is rolled on speed regulation conical gear 25, the eccentricity of sliding block 28 is expanded, when 21 rotation speed of crank is constant, speed adds
Fastly；When need to slow down speed, anti-crank 21 of stepping on rotates counterclockwise it, and wheel can also drive forwards, and equally screw speed regulation
Handle, flexible axle 22 tense brake clip 27, flywheel 26 are checked, flywheel 26 stops rotating, and crank 21 continues side counterclockwise
To rotation, screw rod conical gear 23 rolls rotation on speed regulation conical gear 25, and 28 eccentricity of sliding block is reduced, and speed slows down；
Whether accelerate or slow down, as long as fade to required speed, the speed adjusting lever on handlebar is unclamped；It is slided by changing
Displacement of the block 28 in T-slot, to change eccentricity, when eccentricity is big, 5 swing angle of sector gear increases, and speed adds
Fastly, conversely, the small speed of eccentric distance slows down, slewing range be 1:0.8~1:4.8, the change of 28 eccentric distance of sliding block be it is stepless,
Variable speed of riding can be realized in this way, and then solve the problems, such as that current bicycle step speed change exists, improve riding for user
Row comfort level.
Above-mentioned specific embodiment is the preferred embodiment of the utility model, can not be defined to the utility model,
The other any change made or other equivalent substitute modes without departing from the technical solution of the utility model, are included in
Within the protection scope of the utility model.
Claims (8)
1. step-less speed changing planetary gear system, including middle shaft gear, rocker gear, sector gear, connecting rod, duplicate gear, gear
Axis, intermediate gear, lower freewheel clutch, lower freewheel clutch axis, lower freewheel clutch internal gear, rear axle gear, on surmount from
Clutch, upper freewheel clutch axis, upper freewheel clutch internal gear, axis, crank, flexible axle, screw rod conical gear, speed regulation circular cone tooth
Wheel, flywheel, brake clip, rear axle and rear shaft clutch；It is characterized in that, axis gear set is on axis, crank and axis
Gear connection, middle shaft gear are engaged with rocker gear, and rocker gear is provided centrally with the circular hole for installing speed regulation conical gear,
The speed regulation conical gear other end is equipped with the flywheel that rotation can be rolled on speed regulation conical gear, flexible axle one end and speed adjusting lever
Connection, the other end are connect with brake clip, and brake clip is connect with flywheel；The big end of rocker gear is provided with guide rail, sets on guide rail
It is equipped with sliding slot, screw rod conical gear is installed in guide rail, sliding block is mounted in sliding slot, and sliding block one end and screw rod conical gear revolve
It closes, the sliding block other end is connect with connecting rod, and connecting rod is connect with sector gear, and gear shaft is mounted in the center hole of sector gear；
The lower freewheel clutch internal gear engaged with sector gear is mounted on lower freewheel clutch axis, and lower freewheel clutch axis is mounted on
In lower freewheel clutch inner circle, lower freewheel clutch gear ring is mounted on lower freewheel clutch outer ring；It is engaged with sector gear
Upper freewheel clutch internal gear is mounted on freewheel clutch axis, and upper freewheel clutch axis is mounted on freewheel clutch inner circle
In, the upper freewheel clutch gear ring engaged with rear axle gear is mounted on upper freewheel clutch outer ring, upper freewheel clutch internal tooth
Wheel is engaged with intermediate gear, and intermediate gear is engaged with duplicate gear, and duplicate gear is engaged with lower freewheel clutch internal gear, rear axle
Gear is mounted on rear axle, and rear axle is mounted on rear shaft clutch.
2. step-less speed changing planetary gear system according to claim 1, which is characterized in that rocker gear is arranged in axis tooth
It takes turns in box, axis gear box cover is provided on axis gearcase.
3. step-less speed changing planetary gear system according to claim 1, which is characterized in that the big end setting of rocker gear
Guide rail is T-type guide rail, and the sliding slot being arranged on T-type guide rail is T-slot.
4. step-less speed changing planetary gear system according to claim 1, which is characterized in that sliding block one end be provided with for
The nut that screw rod conical gear screws, the sliding block other end are provided with rolling bearing, and connecting rod is mounted in rolling bearing.
5. step-less speed changing planetary gear system according to claim 1, which is characterized in that rear shaft clutch is mounted on rear axle
In gear box cover.
6. step-less speed changing planetary gear system according to claim 1, which is characterized in that lower freewheel clutch with above surmount
Clutch is mounted in rear axle gear box.
7. step-less speed changing planetary gear system according to claim 1, which is characterized in that speed regulation conical gear other end peace
The flywheel of dress is fastened by flat key.
8. step-less speed changing planetary gear system according to claim 1, which is characterized in that slewing range is 1:0.8~1:
4.8。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820708557.4U CN208216917U (en) | 2018-05-14 | 2018-05-14 | Step-less speed changing planetary gear system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820708557.4U CN208216917U (en) | 2018-05-14 | 2018-05-14 | Step-less speed changing planetary gear system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208216917U true CN208216917U (en) | 2018-12-11 |
Family
ID=64511469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820708557.4U Active CN208216917U (en) | 2018-05-14 | 2018-05-14 | Step-less speed changing planetary gear system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208216917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502094A (en) * | 2018-05-14 | 2018-09-07 | 赵宁 | Step-less speed changing planetary gear system |
-
2018
- 2018-05-14 CN CN201820708557.4U patent/CN208216917U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502094A (en) * | 2018-05-14 | 2018-09-07 | 赵宁 | Step-less speed changing planetary gear system |
| CN108502094B (en) * | 2018-05-14 | 2024-04-02 | 赵宁 | Planetary gear stepless speed change system |
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| GR01 | Patent grant |