CN108639225A - A kind of electric assisted bicycle torque transmission device - Google Patents
A kind of electric assisted bicycle torque transmission device Download PDFInfo
- Publication number
- CN108639225A CN108639225A CN201810705188.8A CN201810705188A CN108639225A CN 108639225 A CN108639225 A CN 108639225A CN 201810705188 A CN201810705188 A CN 201810705188A CN 108639225 A CN108639225 A CN 108639225A
- Authority
- CN
- China
- Prior art keywords
- helical teeth
- ring
- sensing
- bowl
- interior
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
- B62M23/00—Transmissions characterised by use of other elements; Other transmissions
-
- 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
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K2204/00—Adaptations for driving cycles by electric motor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention discloses a kind of electric assisted bicycle torque transmission device,Shell in torque transmission device is fixed on vehicle frame,The outer helical teeth of the interior helical teeth of interior helical teeth ring and outer helical teeth ring is intermeshed and is both sleeved on axis,The first freewheel clutch is equipped between axis and interior helical teeth ring,Bowl and sensing pressure ring are mounted in one section on outer helical teeth ring far from interior helical teeth ring in sensing,Sensing pressure ring is fixed together with outer helical teeth ring,The excircle of bowl is fixed on the shell in sensing,Bowl is elastic material in sensing,Resistance-type diaphragm pressure sensor is bonded on the end face of bowl in sensing,The end face of bowl in sensing is pushed down by multiple balls in the one end for sensing pressure ring,The other end is mutually twisted with transmission cover for seat by straight-tooth,Transmission cover for seat is set on by cover for seat bearing on axis,The segmentum laterale fixation of transmission cover for seat is coated with chain drum,Medial segment is set with driven gear by the second freewheel clutch,Driven gear is driven with the driving gear group intermeshing on motor.
Description
Technical field：
The present invention relates to a kind of electric assisted bicycle torque transmission devices.
Background technology：
There are the abnormal phenomenon of separate men from machines for traditional electric assisted bicycle, that is to say, that when vehicular electric machine operates, by
Speed is ridden higher than human body in its rotating speed, so that vehicle footstep is performed practically no function, causes in vehicle travel process, it is anti-that motor operates descendant
And auxiliary power driven vehicle can not be removed.To be had developed in the industry, to control motor in the way of hall sensing magnetic field intensity defeated
The case where going out torque, Hall is mounted on elastic component, when manpower scrunches axis, is generated using the elastic component being sleeved on axis
Flexible deformation, Hall generates displacement while flexible deformation, cancels pedalling force, and elastic component restores to the original state, and Hall generates reversed position
It moves.Hall is set to generate separate or close magnetic part by the displacement of above-mentioned generation, Hall obtains the signal of different magnetic field intensity, control
System coordinates human body pedalling force according to the power output size of this signal control motor, realizes hybrid drive vehicle, although this
Kind of structure can be realized electric boosted, but structure is complex, and obtaining signal using Hall can be influenced by Hall quality, and
This structure is easy to be influenced the inductive effects of Hall by external magnetic field, so as to cause the abnormal output power of motor.
Invention content：
The purpose of the invention is to overcome the above-mentioned prior art, provide it is a kind of it is simple in structure, not by extraneous magnetic
Field influences the electric assisted bicycle torque transmission device of torque inductive effects.
The goal of the invention of the present invention can be realized by technical solution below：A kind of electric assisted bicycle torque biography
Dynamic device includes shell, axis, interior helical teeth ring, outer helical teeth ring, bowl, sensing pressure ring, transmission cover for seat, driven gear in sensing
And chain drum, shell are fixed on vehicle frame, the outer helical teeth of the interior helical teeth of interior helical teeth ring and outer helical teeth ring is intermeshed and both covers
On axis, it is equipped with the first freewheel clutch between axis and interior helical teeth ring, senses interior bowl and sensing pressure ring is mounted in outer helical teeth
One section on ring far from interior helical teeth ring, sensing pressure ring is fixed together with outer helical teeth ring, and the excircle of bowl is fixed on outer in sensing
On shell, it is elastic material to sense interior bowl, is bonded with resistance-type diaphragm pressure sensor on the end face of bowl in sensing, senses pressure ring
One end by multiple balls push down sensing in bowl end face, the other end be driven cover for seat be mutually twisted by straight-tooth, retainer
Set is set on by cover for seat bearing on axis, and the segmentum laterale fixation for being driven cover for seat is coated with chain drum, and medial segment surmounts by second
Clutch sleeve is equipped with driven gear, and driven gear is driven with the driving gear group intermeshing on motor.
It is securely screwed together between outer helical teeth ring and sensing pressure ring.
Outer bearing is provided between shell and axis.
After the technical program, compared with prior art, the technical program has the following advantages：Pass through the bowl in sensing
Upper adhering resistance formula diaphragm pressure sensor, the pulling force generated when scrunching drive sensing pressure ring to press mutagens shape to bowl in sensing,
It is pasted onto the resistance-type diaphragm pressure sensor in sensing on bowl end face at this time to be also deformed together, resistance-type diaphragm pressure passes
Its resistance value generates variation after sensor deformation, and control system obtains the resistance value of this variation, to control the output of motor torsion
Size, match human body pedalling force, reach man-machine while driving vehicle, control process is not influenced by external magnetic field, reliable operation,
And structure is more simple in the way of the size of hall sensing magnetic field compared to tradition.
Description of the drawings：
Fig. 1 is the sectional structure chart of electric assisted bicycle torque transmission device of the present invention；
Fig. 2 is that electric assisted bicycle torque transmission device of the present invention removes the facing structure figure after shell；
Fig. 3 is that electric assisted bicycle torque transmission device of the present invention removes one of the three-dimensional structure diagram after shell；
Fig. 4 is that electric assisted bicycle torque transmission device of the present invention removes two of the three-dimensional structure diagram after shell；
Fig. 5 is the dimensional decomposition structure figure of electric assisted bicycle torque transmission device of the present invention.
Specific implementation mode：
This technology is described further below in conjunction with the accompanying drawings.
The electric assisted bicycle torque transmission device of the present embodiment, include shell 1, axis 2, interior helical teeth ring 3, it is outer tiltedly
Bowl 5, sensing pressure ring 6, transmission cover for seat 7, driven gear 8 and chain drum 9 in ring gear 4, sensing, shell 1 is fixed on vehicle frame (not to be had in figure
Mark) on, be provided with outer bearing 10 between shell 1 and axis 2, the interior helical teeth 31 of interior helical teeth ring 3 and outer helical teeth ring 4 it is outer tiltedly
Tooth 41 is intermeshed and is both sleeved on axis 2, and the first freewheel clutch 11 is equipped between axis 2 and interior helical teeth ring 3, passes
Bowl 5 and sensing pressure ring 6 are mounted in one section far from interior helical teeth ring 3 on outer helical teeth ring 4 in sense, and sensing pressure ring 6 passes through with outer helical teeth ring 4
It is screwed together, the excircle for sensing interior bowl 5 is fixed on shell 1, is sensed interior bowl 5 and is produced by elastic material, is being sensed
Resistance-type diaphragm pressure sensor 12 is bonded on the end face of interior bowl 5, biography is pushed down in one end of sensing pressure ring 6 by multiple balls 13
The end face of bowl 5 in sense increases a gasket ring 14 in order in the future easy to maintenance in sensing on the end face of bowl 5, ball 13 pushes down biography
Gasket ring 14 in sense on bowl 5 replaces gasket ring 14 when as long as generating abrasion.Sense the other end and retainer of pressure ring 6
Set 7 is mutually twisted transmission torsion by straight-tooth 15, and there are axial gaps between 15 front end face of straight-tooth and 16 bottom of corresponding tooth socket
17, a small amount of displacements can be axially generated while so that straight-tooth 15 is kept occlusion, transmission cover for seat 7 is set on axis by cover for seat bearing 18
On 2, the segmentum laterale fixation of transmission cover for seat 7 is coated with chain drum 9, and medial segment is set with driven gear by the second freewheel clutch 19
8, driven gear 8 is driven with the intermeshing of driving gear group 21 on motor 20.
The course of work：When bicyclist scrunches bicycle, axis 2 generates pedalling force, utilizes the work of the first freewheel clutch 11
With pedalling force passes to interior helical teeth ring 3, is driven and turns round using the interior helical teeth 31 of interior helical teeth ring 3 and the outer helical teeth 41 of outer helical teeth ring 4
Power, 3 torsion for scrunching generation of interior helical teeth ring pass to outer helical teeth ring 4, while interior helical teeth ring 3 pulls outer helical teeth ring 4 and sensing
Helical teeth ring 3 moves pressure ring 6 axially inwards together, and sensing pressure ring 6 is caused to generate axis to bowl 5 in gasket ring 14 and sensing by ball 13
To pressure, and the excircle of bowl 5 is integrally fixed on shell 1 in sensing, and this pressure, which can cause to sense interior bowl 5, generates elastic change
The process of shape, deformation can drive resistance-type diaphragm pressure sensor 12 also to generate synchronous deformation, resistance-type diaphragm pressure sensor
12 deformation can make its resistance value change, and deflection is bigger, and resistance change is bigger, and the resistance value of this variation can be controlled
Circuit processed detects that control circuit is according to the size of resistance change come the size of 20 outputting torsion of command motor.Concrete condition
It is that pedalling force is smaller, the deflection for sensing interior bowl 5 and resistance-type diaphragm pressure sensor 12 is smaller, and resistance change is smaller, electricity
20 outputting torsion of machine is smaller, on the contrary, pedalling force is bigger, the deflection for sensing interior bowl 5 and resistance-type diaphragm pressure sensor 12 is got over
Greatly, resistance change is bigger, and 20 outputting torsion of motor is bigger.Pedalling force passes to sensing pressure ring 6, although sensing pressure ring 6 is axial
Inside helical teeth ring 3 moves a small amount of displacements, but senses pressure ring 6 and still maintain and sting with the straight-tooth 15 and tooth socket 16 being driven in cover for seat 7
Conjunction state, so pedalling force can further pass to transmission cover for seat 7, final pedalling force is transferred in transmission cover for seat 7
Chain drum 9, at the same time, control circuit control 20 torsion of motor according to the deflection of above-mentioned resistance-type diaphragm pressure sensor 12
Output, the torsion that motor 20 exports can pass to driven gear 8 through the driving gear group 21 on electric machine main shaft, then through the second surpassing
More clutch 19 pass to transmission cover for seat 7 on, through above-mentioned power transmit, at this time be driven cover for seat 7 can receive simultaneously pedalling force and
20 torsion of motor makes bicycle move ahead to realize that man-machine mixed synchronization drives chain drum 9, plays synchronous auxiliary bicyclist and scrunches
Drive the effect of bicycle.When bicyclist cancels pedalling force, senses the interior rebound of bowl 5 and restore to the original state, spring back restoring force meeting at this time
It pushes outer helical teeth ring 4 to be moved towards the direction far from interior helical teeth ring 3 with sensing pressure ring 6, senses interior bowl 5 and resistance-type diaphragm pressure passes
Sensor 12 restores to the original state, and the two deformation disappears, and motor 20 does not get the resistance variations of resistance-type diaphragm pressure sensor 12
Value, motor 20 are stopped, and bicycle there is no the driving of pedalling force and motor torsion.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Appoint
What those skilled in the art, without departing from the scope of the technical proposal of the invention, all using the side of the disclosure above
Method and technology contents make many possible changes and modifications to technical solution of the present invention, or are revised as the equivalent reality of equivalent variations
Apply example.Therefore every content without departing from technical solution of the present invention, equivalent change made by shape according to the present invention, construction and principle
Change, should all be covered by protection scope of the present invention.
Claims (3)
1. a kind of electric assisted bicycle torque transmission device, it is characterised in that：Include shell, axis, interior helical teeth ring, it is outer tiltedly
Bowl in ring gear, sensing, sensing pressure ring, transmission cover for seat, driven gear and chain drum, shell are fixed on vehicle frame, interior helical teeth ring it is interior
The outer helical teeth of helical teeth and outer helical teeth ring is intermeshed and is both sleeved on axis, and first is equipped between axis and interior helical teeth ring
Freewheel clutch, sense in one section on the outer helical teeth ring far from interior helical teeth ring of bowl and sensing pressure ring, sensing pressure ring with it is outer tiltedly
Ring gear is fixed together, and the excircle for sensing interior bowl is fixed on the shell, and it is elastic material, the end of bowl in sensing to sense interior bowl
Resistance-type diaphragm pressure sensor is bonded on face, the one end for sensing pressure ring pushes down the end face of bowl in sensing by multiple balls,
The other end is mutually twisted with transmission cover for seat by straight-tooth, and transmission cover for seat is set on by cover for seat bearing on axis, and cover for seat is driven
Segmentum laterale fixation is coated with chain drum, and medial segment is set with driven gear by the second freewheel clutch, driven gear on motor
Driving gear group intermeshing transmission.
2. a kind of electric assisted bicycle torque transmission device according to claim 1, it is characterised in that：Outer helical teeth ring and
It is securely screwed together between sensing pressure ring.
3. a kind of electric assisted bicycle torque transmission device according to claim 1, it is characterised in that：In shell in
Outer bearing is provided between axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810705188.8A CN108639225A (en) | 2018-07-01 | 2018-07-01 | A kind of electric assisted bicycle torque transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810705188.8A CN108639225A (en) | 2018-07-01 | 2018-07-01 | A kind of electric assisted bicycle torque transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108639225A true CN108639225A (en) | 2018-10-12 |
Family
ID=63750582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810705188.8A Withdrawn CN108639225A (en) | 2018-07-01 | 2018-07-01 | A kind of electric assisted bicycle torque transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108639225A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169588A (en) * | 2020-01-06 | 2020-05-19 | 安乃达驱动技术(上海)股份有限公司 | Moment pedal frequency sensor suitable for electric power-assisted bicycle |
| EP3772452A1 (en) * | 2019-08-06 | 2021-02-10 | Unique Product & Design Co., Ltd. | Pedaling sensing device of electric bicycle |
-
2018
- 2018-07-01 CN CN201810705188.8A patent/CN108639225A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3772452A1 (en) * | 2019-08-06 | 2021-02-10 | Unique Product & Design Co., Ltd. | Pedaling sensing device of electric bicycle |
| CN111169588A (en) * | 2020-01-06 | 2020-05-19 | 安乃达驱动技术(上海)股份有限公司 | Moment pedal frequency sensor suitable for electric power-assisted bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181012 |