CN209511040U - Electric roller formula variable speed assembly for electric vehicle - Google Patents
Electric roller formula variable speed assembly for electric vehicle Download PDFInfo
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- CN209511040U CN209511040U CN201920159547.4U CN201920159547U CN209511040U CN 209511040 U CN209511040 U CN 209511040U CN 201920159547 U CN201920159547 U CN 201920159547U CN 209511040 U CN209511040 U CN 209511040U
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- driven disc
- variable speed
- output shaft
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- 230000002787 reinforcement Effects 0.000 claims abstract description 40
- 239000011796 hollow space material Substances 0.000 claims description 5
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- 230000005611 electricity Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of electric roller formula variable speed assemblies for electric vehicle, including motor, driving disc spacing pressing is installed on motor shaft, motor housing extends to form forward middle shell and front housing, retainer is hold between middle shell and front housing, turning rolls is housed on retainer, idler wheel is equipped with by roller shaft in turning rolls, the edge of idler wheel can be contacted with driving disc spacing pressing and driven disc, driven disc is oppositely arranged with driving disc spacing pressing, driven disc movable set is on output shaft, front housing is stretched out in output shaft front end, the outer end face of driven disc is equipped with stepped tooth, stepped tooth and the tooth engagement on the trapezoidal reinforcement set inner face being fixed on output shaft, butterfly spring is provided on output shaft between trapezoidal reinforcement set outer end face and front housing medial surface, butterfly spring pushes trapezoidal reinforcement set and driven disc that idler wheel is pressed to driving disc spacing pressing, motor drives driving disc spacing pressing to turn by motor shaft Dynamic, driving disc spacing pressing drives driven disc, trapezoidal reinforcement set and output shaft to rotate by idler wheel, realizes variable speed.
Description
Technical field
The utility model relates to a kind of automobile variable speed assembly, especially a kind of electric roller formula suitable for electric car without
Grade speed changing assembly.
Background technique
Existing automotive transmission includes mechanical transmission, automatic transmission, auto-manual transmission and CVT
(Continuously Variable Transmission) speed changer, current Development of Electric Vehicles is rapid, also lack with it is electronic
The adaptable electric stepless variable-speed assembly of automobile.
Chinese patent CN104565258 discloses a kind of automotive compounded speed changer of roller type, driving disc spacing pressing, idler wheel, driven disc
With the roller type infinitely variable speed transmission of the compositions such as planetary gear set；Power input shaft, low-grade step speed change clutch and top grade
Step speed change clutch, low-speed gear, jackshaft, main reducing gear driven gear form low, high double speed step speed change transmission device；
Roller type infinitely variable speed transmission and low, high double speed step speed change transmission device form the automotive compounded speed changer of roller type.But
It is that the speed changer can not be suitable for electric car.
Utility model content
Purpose of the utility model is to overcome the deficiencies of the above prior art and provide a kind of electric rollers for electric vehicle
Formula variable speed assembly, it has the advantages that roller type variable speed and motor driven, when electric car is run at a low speed, motor
The stepless device speed change gear of roller type is driven to realize deceleration torque increase, when electric car is run at high speed, motor driven roller type is stepless
Speed change gear realizes that speedup drop is turned round, and has given full play to motor output characteristics, has improved the drive efficiency of motor, extend power electric
The service life in pond increases the mileage travelled of electric car.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of electric roller formula variable speed assembly for electric vehicle, including motor are fixedly mounted on the motor shaft of motor
There is driving disc spacing pressing, motor housing extends to form forward middle shell and front housing, retainer is hold between middle shell and front housing, and retainer passes through
Sliding bearing is equipped with turning rolls, is equipped with idler wheel by the roller shaft being mounted thereon in turning rolls, and the edge of idler wheel can be with
Driving disc spacing pressing and driven disc contact, driven disc are oppositely arranged with driving disc spacing pressing, and driven disc movable set is being in same axis with motor shaft
On output shaft on line, front housing is stretched out in output shaft front end, and the outer end face of driven disc is equipped with stepped tooth, stepped tooth and is fixed on output
The tooth engagement on trapezoidal reinforcement set inner face on axis, trapezoidal reinforcement covers to be set on the output shaft between left side and front housing medial surface
It is equipped with butterfly spring, butterfly spring pushes trapezoidal reinforcement set and driven disc that idler wheel is pressed to driving disc spacing pressing, motor by thrust bearing
Driving disc spacing pressing rotation is driven by motor shaft, driving disc spacing pressing drives driven disc, trapezoidal reinforcement set and output shaft to rotate, realizes by idler wheel
Variable speed.
The master and slave Moving plate is opposite arcuate structure, and two arcuate structures form a spherical hollow space, idler wheel and rolling
Wheel carrier is arranged in the spherical hollow space.
There are three the turning rolls, and is uniformly distributed on the circumference in the space between principal and subordinate's Moving plate.
One in three turning rolls is active turning rolls, and other two is driven roller frame.
Driving roller frame one end is fixed in middle shell by fixing axle, the driving roller frame other end and speed Control axis one end
It is connected, is respectively arranged with fan-shaped bevel gear in two end side surfaces of driving roller frame.
It is connect outside shell with angular lever in the other end stretching of the speed Control axis.
It is also equipped with the limit plate of control speed Control axis moving distance on middle shell, is provided with and limits on speed Control axis
The bulge loop that plate matches.
The both ends of the driven roller frame pass through fixing axle and are fixed in middle shell, set on the one end side of driven roller frame
It is equipped with the fan-shaped bevel gear being meshed with the fan-shaped bevel gear on driving roller frame.
The trapezoidal reinforcement set inner hole is involute spline holes, and right side is trapezoidal end faces tooth, trapezoidal reinforcement set and output shaft
Involute spline connection, trapezoidal reinforcement set can move left and right on the involute spline tooth of output shaft.
The diameter of axle is slidably connected on the right side of the inner hole of the driven disc and the involute spline of output shaft, and driven disc can be around output shaft
The diameter of axle on the right side of involute spline rotates, and the trapezoidal end faces tooth of trapezoidal end faces tooth and trapezoidal reinforcement set right side on the left of driven disc is nibbled
It closes, the trapezoidal end faces tooth and trapezoidal reinforcement set under driven disc output torque and the collective effect of butterfly spring, on the left of driven disc
The trapezoidal end faces tooth on right side relatively rotates an angle, moves to right driven disc and further pinch rollers, to transmit bigger torsion
Square.
Idler wheel is pressed to driving disc spacing pressing under the action of butterfly spring by driven disc, drives driven disc to turn by idler wheel by driving disc spacing pressing
It is dynamic；
The end face stepped tooth on the driven disc left side drives output shaft rotation by the internal tooth that trapezoidal reinforcement covers, with driving torque
Increase, the end face stepped tooth on the driven disc left side covers the axial force for increasing driven disc and pressing to idler wheel and driving disc spacing pressing by trapezoidal reinforcement
And driving torque is further increased, power is exported through motor shaft, driving disc spacing pressing, idler wheel, driven disc, trapezoidal reinforcement set and output shaft；
It is driving and driven to change by changing three idler wheels and the effective diameter size of driving disc spacing pressing and the contact position of driven disc
The transmission speed ratio of disk, to realize roller type variable speed；
When electric car is run at a low speed, angular lever is by speed Control axis, driving roller frame and idler wheel by clockwise
Direction rotates, and is driven the fan-shaped bevel gear of two driven roller frame one end by the Fan shape umbrella gear at driving roller frame both ends and is driven
Idler wheel is rotated simultaneously by the direction of deceleration torque increase, realizes the deceleration torque increase of roller type infinitely variable speed transmission；
When angular lever is rotated counterclockwise by speed Control axis, driving roller frame and idler wheel, by driving roller
The Fan shape umbrella gear at frame both ends drives the fan-shaped bevel gear of driven roller frame one end and drives idler wheel by rotating backward, and realizes idler wheel
The speed change of formula infinitely variable speed transmission.
The beneficial effects of the utility model are: the advantages of having merged roller type variable speed and motor driven, motor driven
Cart-wheel stepless speed variator realizes the speed change traveling of electric car.The utility model is filled by the variable speed of motor driven roller type
It sets and realizes that speed change becomes torsion, given full play to motor output characteristics, improved the drive efficiency of motor, extended making for power battery
With the service life, the mileage travelled of electric car is increased.
Detailed description of the invention
Fig. 1 is the utility model structure principle chart；
Fig. 2 is the idler wheel retainer, idler wheel, angular lever and speed Control axis combining structure schematic diagram of the utility model；
Fig. 3 is trapezoidal reinforcement nested structure schematic diagram；
Fig. 4 is the left view of Fig. 3；
Wherein, 1, motor, 2, motor shaft, 3, middle shell, 4, driving disc spacing pressing, 5, idler wheel, 6, retainer, 7, driven disc, 8, front housing,
9, trapezoidal reinforcement set, 10, butterfly spring, 11, output shaft, 12, angular lever, 13, limit plate, 14, speed Control axis, 15, master
Dynamic turning rolls, 16, roller shaft, 17, fixing axle, 18, O-ring seals, 19, circlip, 20, driven roller frame.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
This specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification revealed interior
Hold, so that those skilled in the art understands and reads, is not intended to limit the utility model enforceable qualifications, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are practical new not influencing this
Under the effect of type can be generated and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain and can contain
In the range of lid.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term,
It is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
As described in Fig. 1-Fig. 4, electric roller formula variable speed assembly for electric vehicle, including motor 1, the motor of motor 1
Driving disc spacing pressing 4 is fixedly installed on axis 2, motor housing extends to form forward middle shell 3 and front housing 8, clamps between middle shell 3 and front housing 8
Retainer 6, retainer 6 turning rolls is equipped with by sliding bearing, installed by the roller shaft 16 being mounted thereon in turning rolls
There is idler wheel 5, the edge of idler wheel 5 can be contacted with driving disc spacing pressing 4 and driven disc 7, and driven disc 7 is oppositely arranged with driving disc spacing pressing 4, master and slave
Moving plate 4,7 is opposite arcuate structure, and two arcuate structures form a spherical hollow space, and the ball is arranged in idler wheel 5 and turning rolls
In shape cavity.
7 movable set of driven disc is being on the output shaft 11 on same axis with motor shaft 2, and 11 front end of output shaft is stretched out
Front housing 8, the outer end face of driven disc 7 are equipped with stepped tooth, and stepped tooth covers on 9 inner faces with the trapezoidal reinforcement being fixed on output shaft 11
Tooth engagement, trapezoidal reinforcement, which covers, is provided with butterfly spring 10, butterfly on the output shaft 11 between 9 outer end faces and 8 medial surface of front housing
Spring 10 pushes trapezoidal reinforcement set 9 and driven disc 7 that idler wheel 5 is pressed to driving disc spacing pressing 4 by thrust bearing, and motor 1 passes through motor shaft 2
Driving disc spacing pressing 4 is driven to rotate, driving disc spacing pressing 4 drives driven disc 7, trapezoidal reinforcement set 9 and output shaft 11 to rotate by idler wheel 5, realizes nothing
Grade speed change.The roller type infinitely variable speed transmission that driving disc spacing pressing 4, idler wheel 5, driven disc 7 and trapezoidal reinforcement set 9 are formed.
There are three turning rolls, and is uniformly distributed on the circumference in the space between master and slave Moving plate 4,7.Three turning rolls
In one be active turning rolls 15, other two be driven roller frame 20.
15 one end of driving roller frame is fixed in middle shell by fixing axle 17, O-ring seal 18 and circlip 19, another
End is connected with 14 one end of speed Control axis, is respectively arranged with fan-shaped bevel gear in two end side surfaces of driving roller frame 15.Speed change control
3 outside of shell is connect with angular lever 12 in 14 other end of axis stretching processed.It is mobile that control speed Control axis 14 is also equipped on middle shell 3
The limit plate 13 of distance is provided with the bulge loop to match with limit plate 13 on speed Control axis 14.
The both ends of driven roller frame 20 pass through fixing axle 17, O-ring seal 18 and circlip 19 and are fixed on middle shell 3
It is interior, the fan-shaped umbrella tooth being meshed with the fan-shaped bevel gear on driving roller frame 15 is provided on the one end side of driven roller frame 20
Wheel.
The inner hole of trapezoidal reinforcement set 9 is involute spline holes, and right side is trapezoidal end faces tooth, trapezoidal reinforcement set 9 and output shaft
11 involute spline connection, trapezoidal reinforcement set 9 can move left and right on the involute spline tooth of output shaft 11.
The inner hole of driven disc 7 is slidably connected with the diameter of axle on the right side of the involute spline of output shaft 11, and driven disc 7 can be around output shaft
Diameter of axle rotation on the right side of 11 involute spline, the trapezoidal end on 9 right side of trapezoidal end faces tooth and trapezoidal reinforcement set in 7 left side of driven disc
Face tooth engagement, under 7 output torque of driven disc and the collective effect of butterfly spring 10, the trapezoidal end faces tooth in the left side of driven disc 7 with
The trapezoidal end faces tooth on trapezoidal 9 right side of reinforcement set relatively rotates an angle, moves to right driven disc 7 and further pinch rollers 5, with
Transmit bigger torque.
A kind of application method of electric roller formula variable speed assembly for electric vehicle, comprising:
Idler wheel 5 is pressed to driving disc spacing pressing 4 under the action of butterfly spring 10 by driven disc 7, is driven by driving disc spacing pressing 4 by idler wheel 5
Driven disc 7 rotates.
The end face stepped tooth on 7 left side of driven disc drives output shaft 11 to rotate by the internal tooth of trapezoidal reinforcement set 9, with transmission
The end face stepped tooth of the increase of torque, 7 left side of driven disc presses to idler wheel 5 and driving disc spacing pressing by 9 increase driven disc 7 of trapezoidal reinforcement set
4 axial force and further increase driving torque, power through motor shaft 2, driving disc spacing pressing 4, idler wheel 5, driven disc 7, trapezoidal reinforcement set 9
It is exported with output shaft 11.
It is master and slave to change by the effective diameter size for changing three idler wheels 5 and driving disc spacing pressing 4, the contact position of driven disc 7
The transmission speed ratio of Moving plate 4,7, to realize roller type variable speed；
When electric car is run at a low speed, angular lever 12 is pressed by speed Control axis 14, driving roller frame 15 and idler wheel 5
It is rotated clockwise, the fan-shaped bevel gear of two 20 one end of driven roller frame is driven by the Fan shape umbrella gear at both ends and drives rolling
Wheel 5 is rotated simultaneously by the direction of deceleration torque increase, realizes the deceleration torque increase of roller type infinitely variable speed transmission；
When angular lever 12 is rotated counterclockwise by speed Control axis 14, driving roller frame 15 and idler wheel 5, by two
The Fan shape umbrella gear at end drives the fan-shaped bevel gear of 20 one end of driven roller frame and drives idler wheel 5 by rotating backward, and realizes idler wheel
The speed change of formula infinitely variable speed transmission.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (10)
1. a kind of electric roller formula variable speed assembly for electric vehicle, characterized in that solid on the motor shaft of motor including motor
Dingan County is equipped with driving disc spacing pressing, and motor housing extends to form forward middle shell and front housing, retainer is hold between middle shell and front housing, keeps
Frame is equipped with turning rolls by sliding bearing, passes through the roller shaft being mounted thereon in turning rolls and is equipped with idler wheel, the edge of idler wheel
It can be contacted with driving disc spacing pressing and driven disc, driven disc is oppositely arranged with driving disc spacing pressing, and driven disc movable set is in motor shaft
On output shaft on same axis, front housing is stretched out in output shaft front end, and the outer end face of driven disc is equipped with stepped tooth, stepped tooth and fixation
The tooth engagement on trapezoidal reinforcement set inner face on output shaft, the output between trapezoidal reinforcement set left side and front housing medial surface
Butterfly spring is provided on axis, butterfly spring thrust bearing pushes trapezoidal reinforcement set and driven disc that idler wheel is pressed to driving disc spacing pressing, electricity
Machine drives driving disc spacing pressing rotation by motor shaft, and driving disc spacing pressing drives driven disc, trapezoidal reinforcement set and output shaft to rotate by idler wheel, real
Existing variable speed.
2. electric roller formula variable speed assembly for electric vehicle as described in claim 1, characterized in that described driving and driven
Disk is opposite arcuate structure, and two arcuate structures form a spherical hollow space, and the spherical hollow space is arranged in idler wheel and turning rolls
It is interior.
3. electric roller formula variable speed assembly for electric vehicle as described in claim 1, characterized in that the turning rolls has
Three, and be uniformly distributed on the circumference in the space between principal and subordinate's Moving plate.
4. electric roller formula variable speed assembly for electric vehicle as claimed in claim 3, characterized in that in three turning rolls
One be active turning rolls, other two be driven roller frame.
5. electric roller formula variable speed assembly for electric vehicle as claimed in claim 4, characterized in that driving roller frame one
End is fixed in middle shell by fixing axle, and the other end is connected with speed Control axis one end, is divided in two end side surfaces of driving roller frame
It is not provided with fan-shaped bevel gear.
6. electric roller formula variable speed assembly for electric vehicle as claimed in claim 5, characterized in that the speed Control
It is connect outside shell with angular lever in the stretching of the axis other end.
7. electric roller formula variable speed assembly for electric vehicle as claimed in claim 6, characterized in that also installed on middle shell
There is the limit plate of control speed Control axis moving distance, is provided with the bulge loop to match with limit plate on speed Control axis.
8. electric roller formula variable speed assembly for electric vehicle as claimed in claim 5, characterized in that the driven roller
The both ends of frame pass through fixing axle and are fixed in middle shell, be provided on the one end side of driven roller frame on driving roller frame
The fan-shaped bevel gear that fan-shaped bevel gear is meshed.
9. electric roller formula variable speed assembly for electric vehicle as described in claim 1, characterized in that the trapezoidal reinforcement
Set inner hole is involute spline holes, and right side is trapezoidal end faces tooth, and trapezoidal reinforcement set is connect with the involute spline of output shaft, trapezoidal
Reinforcement set can move left and right on the involute spline tooth of output shaft.
10. electric roller formula variable speed assembly for electric vehicle as claimed in claim 9, characterized in that the driven disc
Inner hole and output shaft involute spline on the right side of the diameter of axle be slidably connected, driven disc can be around the axis on the right side of output shaft involute spline
Diameter rotates, and the trapezoidal end faces tooth engagement of trapezoidal end faces tooth and trapezoidal reinforcement set right side on the left of driven disc exports torsion in driven disc
Trapezoidal end faces tooth and the trapezoidal end faces tooth phase on trapezoidal reinforcement set right side under the collective effect of square and butterfly spring, on the left of driven disc
To one angle of rotation, move to right driven disc and further pinch rollers, to transmit bigger torque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920159547.4U CN209511040U (en) | 2019-01-30 | 2019-01-30 | Electric roller formula variable speed assembly for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920159547.4U CN209511040U (en) | 2019-01-30 | 2019-01-30 | Electric roller formula variable speed assembly for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209511040U true CN209511040U (en) | 2019-10-18 |
Family
ID=68203397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920159547.4U Expired - Fee Related CN209511040U (en) | 2019-01-30 | 2019-01-30 | Electric roller formula variable speed assembly for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209511040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595314A (en) * | 2019-01-30 | 2019-04-09 | 济南大学 | Electric roller formula variable speed assembly for electric vehicle and its application method |
-
2019
- 2019-01-30 CN CN201920159547.4U patent/CN209511040U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595314A (en) * | 2019-01-30 | 2019-04-09 | 济南大学 | Electric roller formula variable speed assembly for electric vehicle and its application method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 |