CN207999484U - Friction type stepless speed changer - Google Patents
Friction type stepless speed changer Download PDFInfo
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- CN207999484U CN207999484U CN201820023733.0U CN201820023733U CN207999484U CN 207999484 U CN207999484 U CN 207999484U CN 201820023733 U CN201820023733 U CN 201820023733U CN 207999484 U CN207999484 U CN 207999484U
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Abstract
The utility model discloses a kind of friction type stepless speed changers, it is characterized in that:Including regulating module, variable speed assembly, clutch component, input module, output precision;The regulating module includes cylindricality gear, eccentric gear;The variable speed assembly includes input stator, steel ball component, main shaft, idle pulley, output stator, wherein steel ball component includes steel ball, axis pin, bearing, and steel ball is cased with bearing centered on axis pin on axis pin, steel ball free is set to rotate, steel ball component is arranged in pairs between output stator and input stator;The clutch component includes input friction tooth form annulus, input roller bearing, input friction traction annulus, output friction tooth form annulus, output roller bearing, output friction traction annulus;The input module includes flywheel, driving flywheel;The output precision includes shell.Phenomena such as the utility model solves interim card, and speed change is unstable, may be implemented the steady transmission in speed-change process under different operating modes.
Description
Technical field
The utility model is related to a kind of drive transmission devices, are related to variable speed field.
Background technology
Bicycle, electric vehicle is generally simple with chain drive structure, and reliability is high, is suitable under varying environment.In recent years by
In transmission field technological innovation, there is more and more big gear ratio gearshift function bicycle to push in market, by very much
The welcome of young man.
For chain drive, disadvantage is also apparent easy to wear, is easily extended, and transmission stability is poor, and when operating can produce
Raw additional dynamic load, vibration, impact and noise, are not preferably used in rapidly reversed transmission, while by bicycle structure yet
Limitation, cannot release the transmission device of more large speed ratio.
Invention content
The purpose of this utility model is to provide a kind of frictions being steadily driven realized under different operating modes in speed-change process
Formula contiuously variable transmission.
The technical solution of the utility model is:
A kind of friction type stepless speed changer, it is characterized in that:Including regulating module, variable speed assembly, clutch component, input group
Part, output precision;The regulating module includes cylindricality gear, eccentric gear;The variable speed assembly includes input stator, steel ball group
Part, main shaft, idle pulley, output stator, wherein steel ball component include steel ball, axis pin, bearing, and steel ball is centered on axis pin, on axis pin
It is cased with bearing, steel ball free is made to rotate, steel ball component is arranged in pairs between output stator and input stator;The clutch component
Including input friction tooth form annulus, input roller bearing, input friction traction annulus, output friction tooth form annulus, output roller
Bearing, output friction traction annulus;The input module includes flywheel, driving flywheel;The output precision includes shell;
The structure of variable speed assembly:Output stator is fixed on main shaft, and input stator sleeve can control pendulum on main shaft
It is dynamic;Input stator and output stator are all provided with symmetrical helicla flute, and steel ball both ends axis pin can be in input stator, output stator
It is slided in helicla flute;Due to inputting the rotation of stator, steel ball is set to form different angles from main shaft, to make steel ball angle become
Change, obtains different rotation rounds;Idle pulley is in contact with steel ball, and is arranged in the center of steel ball component;
The structure of clutch component:There is input roller bearing between input friction tooth form annulus and input friction traction annulus,
Input friction tooth form annulus inputs friction traction annulus and inputs the contact surface of roller bearing roller in flank of tooth form, input rolling
Sub- bearing roller is in contact with input friction tooth form annulus and the input friction traction annulus flank of tooth, since flank of tooth tooth form carries curve
Variation, roller be moved to highs and lows when, the thickness of entire clutch component generates variation, and due to inputting friction teeth
Shape annulus is in contact with steel ball, clutch component thickness change, and the frictional force that input friction tooth form annulus is contacted with steel ball is made to generate
Variation;There is an output roller bearing between output friction tooth form annulus and output friction traction annulus, it is output friction tooth form annulus, defeated
The contact surface for going out friction traction annulus and output roller bearing roller is in flank of tooth form, output roller bearing roller and output friction
Tooth form annulus and the output friction traction annulus flank of tooth are in contact, and since flank of tooth tooth form carries curvilinear motion, roller is moved to highest
Point and minimum point when, the thickness of entire clutch component generates variation, and since output friction tooth form annulus is in contact with steel ball,
Clutch component thickness change makes the frictional force that output friction tooth form annulus is contacted with steel ball generate variation;
The structure of regulating module:Cylindricality gear and eccentric gear are meshed, and the rotation of cylindricality gear drives eccentric gear rotation,
Since eccentric gear is connected with input stator, so input stator rotation is driven, to make the angle of steel ball generate variation;
Input module, output precision structure:Flywheel is in contact with driving flywheel, driving flywheel and input friction traction annulus
It is connected, input friction traction annulus drive inputs roller bearing rotation, input roller bearing and input friction tooth form annulus phase
Contact is transmitted to outlet side, output friction tooth form annulus so that power is passed to the input side of steel ball, by the frictional force with steel ball
Be in contact with the other end of steel ball, to frictional force be transmitted to output friction traction annulus, output friction traction annulus and
Shell is connected, to which frictional force is transmitted on shell, to make shell generate the variation of speed.
The steel ball component includes 3-6 to steel ball.
Idle pulley is mounted on main shaft, and for a pair of of roller bearing, input stator, output stator are mounted on idle pulley both sides.
The utility model makes the variation of the generation angle of the steel ball in variable speed assembly by regulating module, to make steel ball obtain
The different rotation rounds of different rotation rounds, steel ball make the clutch component of both sides obtain different frictional force, to be defeated
Enter component and output precision obtains different speed ratios, this speed ratio is stepless.In the case where main shaft is fixed, adjustable column
Shape gear, makes eccentric gear rotate, and eccentric gear rotation drives input stator rotation, to make the angle of steel ball generate variation,
Frictional force is set to generate variation, to solve interim card, phenomena such as speed change is unstable.It may be implemented under different operating modes in speed-change process
Steady transmission.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model one embodiment.
Fig. 2 is the structural schematic diagram of output stator.
Fig. 3 is the structural schematic diagram for inputting stator.
Fig. 4 is the structural schematic diagram of regulating module.
Fig. 5 is the A-A sectional views of Fig. 4.
Fig. 6 is input module structural schematic diagram.
The structural schematic diagram of output precision is identical as input module structural schematic diagram.
Fig. 7 is the B-B sectional views of Fig. 6.
Fig. 8 is driving flywheel and input friction annulus attachment structure schematic diagram.
Specific implementation mode
A kind of friction type stepless speed changer, including regulating module, variable speed assembly, clutch component, input module, output group
Part;The regulating module includes cylindricality gear 1, eccentric gear 14;The variable speed assembly include input stator 3, steel ball component 4,
Main shaft 5, idle pulley 10, output stator 6, wherein steel ball component include steel ball, axis pin, bearing, and steel ball is centered on axis pin, on axis pin
It is cased with bearing, steel ball free is made to rotate, steel ball component is arranged in pairs between output stator and input stator;The clutch component
Including input friction tooth form annulus 11, input roller bearing 12, input friction traction annulus 13, output friction tooth form annulus 9, defeated
Go out roller bearing 8, output friction traction annulus 7;The input module includes flywheel 16, driving flywheel 15;The output precision
Including shell 17, lid 2;
The structure of variable speed assembly:Output stator is fixed on main shaft, and input stator sleeve can control pendulum on main shaft
It is dynamic;Input stator and output stator have a symmetrical helicla flute 18,19, and steel ball both ends axis pin can be in input stator, defeated
Go out in the helicla flute of stator and slides;Due to inputting the rotation of stator, steel ball is set to form different angles from main shaft, to make steel ball
Angle change obtains different rotation rounds;Idle pulley is in contact with steel ball, and is arranged in the center of steel ball component;
The structure of clutch component:There is input roller bearing between input friction tooth form annulus and input friction traction annulus,
Input friction tooth form annulus inputs friction traction annulus and inputs the contact surface of roller bearing roller in flank of tooth form, input rolling
Sub- bearing roller is in contact with input friction tooth form annulus and the input friction traction annulus flank of tooth, since flank of tooth tooth form carries curve
Variation, roller be moved to highs and lows when, the thickness of entire clutch component generates variation, and due to inputting friction teeth
Shape annulus is in contact with steel ball, clutch component thickness change, and the frictional force that input friction tooth form annulus is contacted with steel ball is made to generate
Variation;There is an output roller bearing between output friction tooth form annulus and output friction traction annulus, it is output friction tooth form annulus, defeated
The contact surface for going out friction traction annulus and output roller bearing roller is in flank of tooth form, output roller bearing roller and output friction
Tooth form annulus and the output friction traction annulus flank of tooth are in contact, and since flank of tooth tooth form carries curvilinear motion, roller is moved to highest
Point and minimum point when, the thickness of entire clutch component generates variation, and since output friction tooth form annulus is in contact with steel ball,
Clutch component thickness change makes the frictional force that output friction tooth form annulus is contacted with steel ball generate variation;
The structure of regulating module:Cylindricality gear and eccentric gear are meshed, and the rotation of cylindricality gear drives eccentric gear rotation,
Since eccentric gear is connected with input stator, all drive input stator rotations, to make the angle of steel ball generate variation;
Input module, output precision structure:Flywheel is in contact with driving flywheel, driving flywheel and input friction traction annulus
It is connected, input friction traction annulus drive inputs roller bearing rotation, input roller bearing and input friction tooth form annulus phase
Contact is transmitted to outlet side, output friction tooth form annulus so that power is passed to the input side of steel ball, by the frictional force with steel ball
Be in contact with the other end of steel ball, to frictional force be transmitted to output friction traction annulus, output friction traction annulus and
Shell is connected, to which frictional force is transmitted on shell, to make shell generate the variation of speed.
The steel ball component includes 3-6 to steel ball.
Idle pulley is mounted on main shaft, and for a pair of of roller bearing, input stator, output stator are mounted on idle pulley both sides.
It is plastics to input roller bearing, export the material of roller bearing, and carries roller.
Claims (3)
1. a kind of friction type stepless speed changer, it is characterized in that:Including regulating module, variable speed assembly, clutch component, input module,
Output precision;The regulating module includes cylindricality gear, eccentric gear;The variable speed assembly include input stator, steel ball component,
Main shaft, idle pulley, output stator, wherein steel ball component include steel ball, axis pin, bearing, and steel ball is cased with centered on axis pin on axis pin
Bearing, steel ball component are arranged in pairs between output stator and input stator;The clutch component includes input friction tooth form circle
Ring, input roller bearing, input friction traction annulus, output friction tooth form annulus, output roller bearing, output friction traction circle
Ring;The input module includes flywheel, driving flywheel;The output precision includes shell;
The structure of variable speed assembly:Output stator is fixed on main shaft, and input stator sleeve can swing on main shaft;It is defeated
Enter stator and output stator and be all provided with symmetrical helicla flute, steel ball both ends axis pin can be in the spiral of input stator, output stator
It is slided in slot;Idle pulley is in contact with steel ball, and is arranged in the center of steel ball component;
The structure of clutch component:There is input roller bearing between input friction tooth form annulus and input friction traction annulus, inputs
It is in flank of tooth form that the tooth form that rubs annulus, input friction, which draw annulus and input the contact surface of roller bearing roller, inputs Roller Shaft
Bearing roller is in contact with input friction tooth form annulus and the input friction traction annulus flank of tooth;Output friction tooth form annulus and output rub
Wiping has output roller bearing between drawing annulus, annulus and output roller bearing are drawn in output friction tooth form annulus, output friction
The contact surface of roller is in flank of tooth form, output roller bearing roller and output friction tooth form annulus and output friction traction annulus tooth
Face is in contact;
The structure of regulating module:Cylindricality gear and eccentric gear are meshed;
Input module, output precision structure:Flywheel is in contact with driving flywheel, and driving flywheel is connected with input friction traction annulus
It connecing, input friction traction annulus drives input roller bearing rotation, input roller bearing to be in contact with input friction tooth form annulus,
It exports friction tooth form annulus to be in contact with the other end of steel ball, output friction traction annulus is connected with shell, thus rubbing
It wipes power to be transmitted on shell, to make shell generate the variation of speed.
2. friction type stepless speed changer according to claim 1, it is characterized in that:The steel ball component includes 3-6 to steel ball.
3. friction type stepless speed changer according to claim 1, it is characterized in that:Idle pulley is mounted on main shaft, for a pair of of rolling
Sub- bearing, input stator, output stator are mounted on idle pulley both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023733.0U CN207999484U (en) | 2018-01-08 | 2018-01-08 | Friction type stepless speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023733.0U CN207999484U (en) | 2018-01-08 | 2018-01-08 | Friction type stepless speed changer |
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| Publication Number | Publication Date |
|---|---|
| CN207999484U true CN207999484U (en) | 2018-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820023733.0U Active CN207999484U (en) | 2018-01-08 | 2018-01-08 | Friction type stepless speed changer |
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| CN (1) | CN207999484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989970A (en) * | 2018-01-08 | 2018-05-04 | 王立新 | Friction type stepless speed changer |
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2018
- 2018-01-08 CN CN201820023733.0U patent/CN207999484U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989970A (en) * | 2018-01-08 | 2018-05-04 | 王立新 | Friction type stepless speed changer |
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