CN109278926A - Cone pulley type bicycle use steel ball stepless speed changing mechanism - Google Patents
Cone pulley type bicycle use steel ball stepless speed changing mechanism Download PDFInfo
- Publication number
- CN109278926A CN109278926A CN201811213672.5A CN201811213672A CN109278926A CN 109278926 A CN109278926 A CN 109278926A CN 201811213672 A CN201811213672 A CN 201811213672A CN 109278926 A CN109278926 A CN 109278926A
- Authority
- CN
- China
- Prior art keywords
- guide passage
- speed
- cone pulley
- axle
- gear
- Prior art date
- 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.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
- F16H15/26—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a spherical friction surface centered on its axis of revolution
- F16H15/28—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a spherical friction surface centered on its axis of revolution with external friction surface
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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
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/08—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving eccentrically- mounted or elliptically-shaped driving or driven wheel; with expansible driving or driven wheel
Abstract
The invention discloses a kind of cone pulley type bicycle use steel ball stepless speed changing mechanism, including input disc, output panel, axle speed adjusting gear, cone pulley gear and bearing guide passage apparatus；The input disc is connect with speed changer sprocket drive, and output panel and speed changer export cage connection；The travelling nut of the axle speed adjusting gear passes through axle middle through-hole, forms screw pair with gear speed regulation axis and connect；Two steel ball mandrel both ends of the cone pulley gear are connect with two push rods of left and right respectively, and it is secondary to form sliding rolling；The guide passage frame of the bearing guide passage apparatus is mounted on cone pulley sliding block, between two vertical guide passage disks, forms vertical track with vertical guide passage disk.The present invention changes input disc at a distance from output panel to Variable-Speed Ball axis, so that changing speed ratio reaches speed change purpose by the change of pitch angle of control Variable-Speed Ball axis.The present invention has many advantages, such as that structure is simple, stable drive, manufacture easy to process.
Description
Technical field
The present invention relates to a kind of continuously variable transmission mechanism, in particular to a kind of bicycle use stepless speed changing mechanism.
Background technique
It is advocating energy-saving and environment-friendly today, cycling trip becomes a kind of trip mode advocated.Bicycle substantially may be used
Be divided into variable-ratio and can not two class of speed change, but can not speed change cycling low efficiency, cannot cope with well variously
Shape is ridden more laborious；There are many kinds of the gears of variable-ratio bicycle, currently on the market using a kind of most bicycles
Gear is stepped-wheel type gear, which realizes step speed change using the sprocket wheel of multiple and different sizes, become
Fast process is unstable, and there are shift shocks, is not well positioned to meet requirement of riding, so following bicycle should be more towards stepless
Speed change；And some external bicycles are equipped with stepless transmission, wherein Niu Fenqi (Nuvinci) stepless transmission is more famous
A kind of stepless speed variator for bicycle, it changes transmission ratio using the bead of one group of rigidity dead axle, due to the company of may be implemented
Continuous velocity variations, enable bicycle to better meet the demand of riding.Therefore, bicycle use with independent intellectual property rights is researched and developed
Stepless speed changing mechanism is domestic medium-to-high grade bicycle industry project urgently to be solved.
Summary of the invention
To solve the above problems, the present invention provides, a kind of structure is simple, manufacturing cost is low, stable drive, it is high-efficient from
Stepless speed changing mechanism is used in driving.
The technical scheme is that a kind of cone pulley type bicycle use steel ball stepless speed changing mechanism, including input disc, output
Disk, axle speed adjusting gear, cone pulley gear and bearing guide passage apparatus；The input disc is connect with sprocket drive, defeated
Placing and output cage connection.
The axle speed adjusting gear includes axle, and gear adjusts the speed axis, travelling nut and cone pulley sliding block；The axle peace
On bicycle rear vehicle frame, play support connection, gear speed regulation axis is installed in axle, and travelling nut passes through in axle
Portion's through-hole is mounted on gear speed regulation axis, forms screw pair, when driving gear speed regulation axis rotation, drives travelling nut in vehicle
It is moved axially in axis middle through-hole；Cone pulley sliding block is divided into left and right two parts, is mounted on travelling nut two sides, with the shaft shoulder in the middle part of axle
Position forms prismatic pair.
The cone pulley gear includes Variable-Speed Ball, steel ball mandrel, bearing, push rod and rolling bearing；The change
Fast steel ball is pressed between input disc and output panel, and two steel ball mandrels are mounted in Variable-Speed Ball by bearing, two push rod upper ends
Two steel ball mandrel outer ends are separately mounted to, sliding rolling pair is formed, four rolling bearings are installed on two push rods, wherein two axis of rolling of lower end
It holds and is closed respectively with cone pulley sliding block left and right conical face paste.
The bearing guide passage apparatus includes connecting rod, left vertical guide passage disk, right vertical guide passage disk and guide passage frame；Described
Left vertical guide passage disk is connected by connecting rod by screw with right vertical guide passage disk, and with flat key that left vertical guide passage disk is vertical with the right side
Guide passage disk is circumferentially fixed on axle, is pressed on left vertical guide passage disk on the outside of rolling bearing with right vertical guide passage disk, guide passage frame
It is mounted on cone pulley sliding block, and is pressed on the inside of rolling bearing.
Compared with prior art, the solution have the advantages that: cone pulley sliding block move left and right drive cone pulley gear
In roller bearing moved up and down between vertical guide rail, to drive the movement of entire cone pulley gear, make Variable-Speed Ball
Axis inclination angle changes, and then changes input disc at a distance from output panel to Variable-Speed Ball central axis, forms speed ratio, real
Existing variable transmission.The present invention has many advantages, such as that structure is simple, processing cost is low, easy to maintain.
Detailed description of the invention
Fig. 1 is full sectional view of the invention；
Fig. 2 is axonometric drawing of the invention；
Fig. 3 is axle governor composition of the invention；
Fig. 4 is cone pulley variable-speed motor composition of the invention；
Fig. 5 is bearing guide passage apparatus structure chart of the invention；
Fig. 6 is guide passage frame structure chart of the invention；
Fig. 7 is transmission principle schematic diagram of the invention.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
The present invention includes input disc 14, output panel 15, axle speed adjusting gear, cone pulley gear and bearing guide passage apparatus；
The input disc 14 is connect with sprocket drive, output panel 15 and output cage connection.
The axle speed adjusting gear includes axle 1, and gear adjusts the speed axis 3, travelling nut 2 and cone pulley sliding block 4；The vehicle
Axis 1 is mounted on bicycle rear vehicle frame, plays support connection, and gear speed regulation axis 3 is installed in axle 1, and travelling nut 2 is worn
1 middle through-hole of axle is crossed, is mounted on gear speed regulation axis 3, forms screw pair, when driving gear speed regulation axis 3 to rotate, drives and moves
Dynamic nut 2 moves axially in 1 middle through-hole of axle；Cone pulley sliding block 4 divides for left and right two parts, is mounted on 2 two sides of travelling nut,
Prismatic pair is formed with 1 middle part shaft shoulder position of axle.
The cone pulley gear includes Variable-Speed Ball 5, steel ball mandrel 6, bearing 7, push rod 8 and rolling bearing 9；It is described
Variable-Speed Ball 5 be pressed between input disc 14 and output panel 15, two steel ball mandrels 6 are mounted on Variable-Speed Ball 5 by bearing 7
In, two push rods, 8 upper end is separately mounted to two steel ball mandrels, 6 outer end, forms sliding rolling pair, and four rolling bearings 9 install two push rods 8
On, wherein two rolling bearing 9 of lower end is closed with 4 left and right conical face paste of cone pulley sliding block respectively.
The bearing guide passage apparatus includes connecting rod 12, left vertical guide passage disk 10, right vertical guide passage disk 13 and guide passage frame
11；Left vertical guide passage disk 10 is connected by the connecting rod 12 by screw with right vertical guide passage disk 13, and a left side is hung down with flat key
Straight guide passage disk 10 and right vertical guide passage disk 13 are circumferentially fixed on axle 1, make left vertical guide passage disk 10 and right vertical guide passage disk 13
It is pressed on 9 outside of rolling bearing, guide passage frame 11 is mounted on cone pulley sliding block 4, and is pressed on 9 inside of rolling bearing.
Transmission principle of the invention is: selector drives gear speed regulation axis 3 to rotate, and drives travelling nut 2 connected to it
It is moved axially along 1 middle through-hole of axle, moves left and right the cone pulley sliding block 4 for being installed in 2 two sides of travelling nut；Cone pulley sliding block 4
Moving left and right moves up and down vertical guide passage of the rolling bearing 9 in bearing guide passage apparatus, to push two push rods 8 opposite equidistant
It moves up and down, drives 6 reciprocally swinging of steel ball mandrel, and 5 center of Variable-Speed Ball remains unchanged；Make input disc 14 and speed change steel
5 contact point of ball to 6 axis of steel ball mandrel distancer iChange, while also making output panel 15 and 5 contact point of Variable-Speed Ball to steel ball
The distance of 6 axis of mandrelr oChange, i.e. change speed ratior o/r i, realize the speed change in riding.
Claims (3)
1. a kind of cone pulley type bicycle use steel ball stepless speed changing mechanism, it is characterized in that: including input disc, output panel, axle speed regulation
Mechanism, rolling bearing gear and bearing guide passage apparatus；The input disc is connect with transmission input device, output panel with
Speed changer exports cage connection；
The axle speed adjusting gear includes: axle, and travelling nut, gear adjusts the speed axis and water chestnut bores sliding block；The axle is mounted on
In the middle part of bicycle rear, play support connection, gear speed regulation axis is installed in axle；Travelling nut passes through logical in the middle part of axle
Hole forms screw pair with gear speed regulation axis and connect, and when driving gear speed regulation axis rotation, travelling nut is driven to lead in the middle part of axle
It is moved axially in hole；Water chestnut cone sliding block is divided into left and right two parts, is connected in travelling nut two sides, is formed with shaft shoulder position in the middle part of axle
Prismatic pair；
The bearing guide passage apparatus includes connecting rod, left vertical guide passage disk, right vertical guide passage disk and guide passage frame；The connection
Left vertical guide passage disk is connected by bar with right vertical guide passage disk, and with flat key that left vertical guide passage disk and right vertical guide passage disk is circumferentially solid
It is scheduled on axle, guide passage frame is mounted on cone pulley sliding block, makes to distinguish shape between guide passage frame and left vertical guide passage disk, right vertical guide passage disk
At vertical guide passage.
2. cone pulley type bicycle use steel ball stepless speed changing mechanism according to claim 1, it is characterized in that: the cone pulley
Gear includes Variable-Speed Ball, steel ball mandrel, bearing, push rod and rolling bearing；The Variable-Speed Ball is pressed on input disc
Between output panel, two steel ball mandrels are mounted in Variable-Speed Ball by bearing, and two push rod upper ends are separately mounted to the two steel ball hearts
Axis outer end forms sliding rolling pair, and four rolling bearings are mounted on two push rods, are placed in the vertical guide passage of bearing guide passage apparatus,
Wherein two rolling bearing of lower end is closed with cone pulley sliding block left and right conical face paste respectively.
3. cone pulley type bicycle use steel ball stepless speed changing mechanism according to claim 2, it is characterized in that: the cone pulley
Gear circumferentially can uniformly install 3-6 group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213672.5A CN109278926B (en) | 2018-10-18 | 2018-10-18 | Steel ball stepless speed change mechanism for cone pulley type bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213672.5A CN109278926B (en) | 2018-10-18 | 2018-10-18 | Steel ball stepless speed change mechanism for cone pulley type bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109278926A true CN109278926A (en) | 2019-01-29 |
| CN109278926B CN109278926B (en) | 2020-09-25 |
Family
ID=65176650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811213672.5A Active CN109278926B (en) | 2018-10-18 | 2018-10-18 | Steel ball stepless speed change mechanism for cone pulley type bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109278926B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201723669U (en) * | 2010-07-24 | 2011-01-26 | 王骁杰 | Continuously variable transmission of planet wheel |
| CN102084155A (en) * | 2008-06-23 | 2011-06-01 | 瀑溪技术公司 | Continuously variable transmission |
| CN102144112A (en) * | 2009-12-02 | 2011-08-03 | 丰田自动车株式会社 | Stepless transmission |
| US20180119811A1 (en) * | 2017-11-28 | 2018-05-03 | Dana Limited | Ball Variator Continuously Variable Transmission |
-
2018
- 2018-10-18 CN CN201811213672.5A patent/CN109278926B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102084155A (en) * | 2008-06-23 | 2011-06-01 | 瀑溪技术公司 | Continuously variable transmission |
| CN102144112A (en) * | 2009-12-02 | 2011-08-03 | 丰田自动车株式会社 | Stepless transmission |
| CN201723669U (en) * | 2010-07-24 | 2011-01-26 | 王骁杰 | Continuously variable transmission of planet wheel |
| US20180119811A1 (en) * | 2017-11-28 | 2018-05-03 | Dana Limited | Ball Variator Continuously Variable Transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109278926B (en) | 2020-09-25 |
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