CN110230654A - Wheelchair scooter and hub motor electromagnetic brake system - Google Patents

Wheelchair scooter and hub motor electromagnetic brake system Download PDF

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Publication number
CN110230654A
CN110230654A CN201910619890.7A CN201910619890A CN110230654A CN 110230654 A CN110230654 A CN 110230654A CN 201910619890 A CN201910619890 A CN 201910619890A CN 110230654 A CN110230654 A CN 110230654A
Authority
CN
China
Prior art keywords
shell
hub motor
armature spindle
movable holddown
brake system
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.)
Pending
Application number
CN201910619890.7A
Other languages
Chinese (zh)
Inventor
王强
崔水标
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaoxing Baihui Automobile Sales Co Ltd
Original Assignee
Shaoxing Baihui Automobile Sales Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shaoxing Baihui Automobile Sales Co Ltd filed Critical Shaoxing Baihui Automobile Sales Co Ltd
Priority to CN201910619890.7A priority Critical patent/CN110230654A/en
Publication of CN110230654A publication Critical patent/CN110230654A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • A61G5/1005Wheelchairs having brakes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/14Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00Type of actuator operation force
    • F16D2121/18Electric or magnetic
    • F16D2121/20Electric or magnetic using electromagnets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00Type of actuator operation force
    • F16D2121/18Electric or magnetic
    • F16D2121/24Electric or magnetic using motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2123/00Multiple operation forces

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses a kind of wheelchair scooter and hub motor electromagnetic brake system, wheelchair scooter includes hub motor electromagnetic brake system;Hub motor electromagnetic brake system includes: that hub motor and electromagnetism are stopped;Hub motor includes: stator and the outer rotor relative to stator rotation;Stator includes: stator axis;Outer rotor includes: hollow armature spindle;Stator axis passes through armature spindle;Electromagnetism brake includes: shell, brake block, movable holddown pushes movable holddown to move so that brake block contact movable holddown and/or shell are with the elastic component that brakes and for applying the electromagnet for overcoming the elastic force of elastic component that movable holddown is attracted to move when being powered for applying active force to movable holddown;Shell is formed with or is equipped with the guide post of guiding movable holddown movement;Brake block is installed to armature spindle and armature spindle and is rotated synchronously.The invention has the beneficial effects that realizing that electromagnetism is stopped and the combination of hub motor can carry out electromagnetic brake to hub motor.

Description

Wheelchair scooter and hub motor electromagnetic brake system
Technical field
The present invention relates to a kind of hub motor electromagnetic brake system more particularly to a kind of wheel hubs applied to wheelchair scooter Motor electromagnetic brake system.
Background technique
Wheelchair scooter is also known as electric wheelchair or mobility scooter for old people.Drive vehicle wheel rotation to make wheelchair generation using motor Step vehicle moves on the ground, realizes traveling of riding instead of walk.
Wheelchair scooter is braked using brake structure.Hub motor and existing brush motor and the nothing with gear-box Brush motor has bigger advantage, therefore its usage amount cumulative year after year on cost, reasonable structure.But the brake of hub motor Vehicle never has very good solution mode.Traditional electromagnetism brake is difficult to apply in hub motor.
Summary of the invention
In order to solve the deficiencies in the prior art, it is the present invention provides a kind of hub motor electromagnetic brake system and using this The wheelchair scooter of system, can brake to hub motor.
In order to achieve the above objectives, the present invention uses following scheme:
A kind of hub motor electromagnetic brake system, comprising: hub motor and electromagnetism are stopped;
Hub motor includes: stator and the outer rotor relative to stator rotation;Stator includes: stator axis;Outer rotor includes: Hollow armature spindle;Stator axis passes through armature spindle;Stator further includes stator coil.Outer rotor further includes motor outer-end cover.
Electromagnetism brake includes: shell, brake block, movable holddown, for applying active force to movable holddown to push movable pressure Block moves so that brake block contact movable holddown and/or shell overcome with the elastic component that brakes and for applying when being powered The elastic force of elastic component attracts the electromagnet of movable holddown movement;
Electromagnet is fixed to shell;Shell is formed with or is equipped with the guide post of guiding movable holddown movement;Brake block peace It is filled to armature spindle and armature spindle rotates synchronously.
Further, brake block is slidably mounted to armature spindle;The direction of motion of movable holddown and the sliding of brake block Pivot center of the direction each parallel to outer rotor.
Further, shell includes: the Internal baffle for contacting with brake block;Brake block is located at movable holddown and Internal baffle Between;
In electromagnet power-off, resilient element urges movable holddown is moved to Internal baffle, and movable holddown and Internal baffle are from two sides Clamp brake block.
Further, electromagnetism is stopped further include: rotor link block;Rotor link block is fixed to armature spindle;Brake block is slidably Ground is connected to rotor link block and rotates synchronously with rotor link block.
Further, the both ends of elastic component are respectively connected to movable holddown and electromagnet.
Further, one end that stator axis passes through armature spindle is fixed to shell.
Further, electromagnetism is stopped further include: is supported between armature spindle and shell and enables armature spindle relative to shell The supporting element of body rotation;Supporting element is bearing or axle sleeve;Two supporting elements are mounted respectively to the both ends of shell.
Further, the middle part of shell is equipped with the mounting structure for installing electromagnetism brake.
A kind of wheelchair scooter, comprising: vehicle frame and the wheel that can be rotated relative to vehicle frame;It is characterized in that, wheelchair is ridden instead of walk Vehicle further include: above-mentioned hub motor electromagnetic brake system;Wheel is installed to outer rotor;Shell is installed to vehicle frame.
Further, electromagnetism is stopped further include: is supported between armature spindle and shell and enables armature spindle relative to shell The supporting element of body rotation;Supporting element is bearing or axle sleeve;Two supporting elements are mounted respectively to the both ends of shell;Pacify at the middle part of shell It is filled to vehicle frame.
The invention has the beneficial effects that realizing that electromagnetism is stopped and the combination of hub motor brakes to hub motor.Branch The setting of support member and electromagnetism stop and the mounting means of hub motor, reduces the torque arm length of the cantilever design of hub motor, To improve the stability and service life of system.
Detailed description of the invention
Fig. 1 is the hub motor electromagnetic brake system of wheelchair scooter of the invention and the schematic diagram of vehicle frame installation;
Fig. 2 is the cross-sectional view of hub motor electromagnetic brake system in Fig. 1, shows state when electromagnet power-off;
Fig. 3 is the cross-sectional view of another state of hub motor electromagnetic brake system in Fig. 2, is shown when electromagnet is powered State;
Fig. 4 is the explosive view of hub motor electromagnetic brake system in Fig. 2;
Fig. 5 is the schematic diagram at another visual angle of hub motor electromagnetic brake system in Fig. 2.
Vehicle frame 200, hub motor electromagnetic brake system 100, hub motor 10, stator 11, stator axis 111, outer rotor 12, Armature spindle 121, electromagnetism brake 20, shell 21, shell 211, outer cover body 2111, shell end cap 2112, inner casing 212, front cover 2121, Middle shell 2122, rear cover 2123, Internal baffle 21a, guide post 21b, brake block 22, movable holddown 23, elastic component 24, electromagnet 25, Rotor link block 26, supporting element 27.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figures 1 to 5, a kind of wheelchair scooter, comprising: vehicle frame 200, wheel, hub motor 10 and electromagnetism brake 20. Wheel is rotated relative to vehicle frame 200.Hub motor 10 drives vehicle wheel rotation.Hub motor and electromagnetism brake 20 constitute hub motors electricity Magnetic brake system 100.Hub motor electromagnetic brake system 100 includes hub motor 10 and electromagnetism brake 20.Wheel is illustrated only in Fig. 1 A part of the vehicle frame 200 of chair scooter.The part is for connecting electromagnetism brake 20 and hub motor 10.
Hub motor 10 includes: stator 11 and the outer rotor 12 relative to the rotation of stator 11.Stator 11 includes: stator axis 111.Outer rotor 12 includes: that armature spindle 121 is hollow structure hollow structure in other words.Armature spindle 121 forms centre bore.Stator axis 111 pass through armature spindle 121.Stator axis 111 passes through centre bore.Armature spindle 121 is set in the periphery of stator axis 111.
Electromagnetism brake 20 includes: shell 21, brake block 22, movable holddown 23, elastic component 24 and electromagnet 25.Wheel install to Outer rotor 12.Shell 21 is installed to vehicle frame 200.Shell 21 is formed with mounting structure.The mounting structure of shell 21 by electromagnetism stop 20 It is fixed to vehicle frame 200.Shell 21 installs hub motor 10 and electromagnetism brake 20 to vehicle frame 200.
Movable holddown 23 is moved relative to shell 21.Specifically, movable holddown 23 is slided relative to shell 21.Elastic component 24 to the application active force of movable holddown 23 for pushing movable holddown 23 to move so that brake block 22 contacts 23 He of movable holddown Shell 21 is to brake.Specifically, movable holddown 23 is the metalwork that can be attracted by electromagnet 25.Electromagnet 25 is being powered When attract movable holddown 23 move.Electromagnet 25 is to 23 attraction direction of movable holddown with elastic component 24 to the work of movable holddown 23 Power thrusts are opposite.Electromagnet 25 overcomes elastic component 24 that movable holddown 23 is attracted to move when being powered.Electromagnet 25 is fixed to shell 21。
As an alternative embodiment, can be contacted with movable holddown through frictional force system by brake block It is dynamic.It can also be contacted by brake block with shell and be braked by frictional force.
Shell 21 is equipped with the guide post 21b that guiding movable holddown 23 moves.Movable holddown 23 is formed with pilot hole.Guiding Column 21b is slided in pilot hole.As an alternative embodiment, guide post can be used as a part of shell by shell shape At.
The installation of brake block 22 to armature spindle 121 and armature spindle 121 rotates synchronously.Specifically, brake block 22 is slideably It installs to armature spindle 121.The direction of motion of movable holddown 23 and the glide direction of brake block 22 turn each parallel to outer rotor 12 Shaft line.Specifically, electromagnetism brake 20 further include: rotor link block 26.Rotor link block 26 is fixed to armature spindle 121.Brake Piece 22 is slidably attached to rotor link block 26 and rotates synchronously with rotor link block 26.26 squarely of rotor link block.It stops Vehicle piece 22 is equipped with the square hole cooperated with rotor link block 26.
Shell 21 includes: Internal baffle 21a.Internal baffle 21a with brake block 22 for contacting.Brake block 22 is located at movable holddown Between 23 and Internal baffle 21a.When electromagnet 25 powers off, elastic component 24 pushes movable holddown 23 to move to Internal baffle 21a, activity Briquetting 23 and Internal baffle 21a are from two sides clamping brake block 22 to realize braking.
As a kind of specific embodiment, the both ends of elastic component 24 are respectively connected to movable holddown 23 and electromagnet 25. Elastic component 24 applies to the active force moved far from 25 direction of electromagnet movable holddown 23.Elastic component 24 is compressed spring.It is more It is uniformly distributed in the circumferential direction of pivot center of a elastic component 24 in outer rotor 12.Rotation of multiple guide post 21b in outer rotor 12 It is uniformly distributed in the circumferential direction of axis.The number of guide post 21b and the number of elastic component 24 are equal.As a kind of optional embodiment party Formula, the number of guide post and the number of elastic component can be unequal.
One end that stator axis 111 passes through armature spindle 121 is fixed to shell 21.Stator axis 111 is fixed to shell by nut 21。
Electromagnetism brake 20 further include: be supported between armature spindle 121 and shell 21 and enable armature spindle 121 relative to shell The supporting element 27 that body 21 rotates.As a kind of specific embodiment, supporting element 27 is bearing.Two supporting elements 27 are installed respectively To the both ends of shell 21.As an alternative embodiment, supporting element can be axle sleeve.
The middle part of shell 21 is equipped with the mounting structure for installing electromagnetism brake 20.It installs to vehicle frame 200 at the middle part of shell 21. Shell 21 is metal shell, for quickly the heat that braking process generates to shed, convenient for heat dissipation, perfect heat-dissipating.
Supporting element 27 is supported armature spindle 121, electromagnetism brake 20 and hub motor 10 is installed by shell 21, compared to straight The mounting means that stator axis is fixed to vehicle frame 200 was connected, the torque arm length of cantilever design is shortened, to improve system Stability and service life.
As a kind of specific embodiment, shell 21 includes shell 211 and inner casing 212.Shell 211 is fixed to inner casing 212.The periphery of inner casing 211 is arranged in shell 211.Shell 211 includes outer cover body 2111 and shell end cap 2112.Inner casing 212 Including front cover 2121, middle shell 2122 and rear cover 2123.Two supporting elements 27 are mounted respectively to front cover 2121 and rear cover 2123.Front cover 2121 and rear cover 2123 be fixed to the both ends of middle shell 2122.As a kind of optional implementation, outer cover body can be with middle shell conduct One part, shell end cap can be with rear covers as a part.In other words, only setting inner casing is not provided with shell.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation Technical solution is fallen within the scope of protection of the present invention.

Claims (10)

1. a kind of hub motor electromagnetic brake system characterized by comprising hub motor and electromagnetism are stopped;
The hub motor includes: stator and the outer rotor relative to the stator rotation;The stator includes: stator axis;Institute Stating outer rotor includes: hollow armature spindle;The stator axis passes through the armature spindle;
The electromagnetism brake includes: shell, brake block, movable holddown, for applying active force to the movable holddown to push State movable holddown move so that the brake block contact the movable holddown and/or the shell with the elastic component that brakes and For applying the electromagnet for overcoming the elastic force of the elastic component to attract the movable holddown movement when being powered;
The electromagnet is fixed to the shell;The shell is formed with or is equipped with the guiding for being oriented to the movable holddown movement Column;The brake block is installed to the armature spindle and the armature spindle and is rotated synchronously.
2. hub motor electromagnetic brake system according to claim 1, which is characterized in that
The brake block is slidably mounted to the armature spindle;The cunning of the direction of motion of the movable holddown and the brake block Pivot center of the dynamic direction each parallel to the outer rotor.
3. hub motor electromagnetic brake system according to claim 2, which is characterized in that
The shell includes: the Internal baffle for contacting with the brake block;The brake block is located at the movable holddown and institute It states between Internal baffle;
In electromagnet power-off, movable holddown described in the resilient element urges is moved to the Internal baffle, the activity pressure Block and the Internal baffle clamp the brake block from two sides.
4. hub motor electromagnetic brake system according to claim 2, which is characterized in that
The electromagnetism is stopped further include: rotor link block;The rotor link block is fixed to the armature spindle;The brake block can be slided It is connected to the rotor link block dynamicly and is rotated synchronously with the rotor link block.
5. hub motor electromagnetic brake system according to claim 1, which is characterized in that
The both ends of the elastic component are respectively connected to the movable holddown and the electromagnet.
6. hub motor electromagnetic brake system according to claim 1, which is characterized in that
One end that the stator axis passes through the armature spindle is fixed to the shell.
7. according to claim 1 to hub motor electromagnetic brake system described in 6 any one, which is characterized in that
The electromagnetism is stopped further include: be supported between the armature spindle and the shell and enable the armature spindle relative to The supporting element of the housing into rotation;The supporting element is bearing or axle sleeve;Two supporting elements are mounted respectively to the shell Both ends.
8. hub motor electromagnetic brake system according to claim 7, which is characterized in that
The middle part of the shell is equipped with the mounting structure stopped for installing the electromagnetism.
9. a kind of wheelchair scooter, comprising: vehicle frame and the wheel that can be rotated relative to the vehicle frame;It is characterized in that, the wheel Chair scooter further include: the hub motor electromagnetic brake system as described in claim 1 to 6 any one;The wheel installation To the outer rotor;The shell is installed to the vehicle frame.
10. wheelchair scooter according to claim 9, which is characterized in that
The electromagnetism is stopped further include: be supported between the armature spindle and the shell and enable the armature spindle relative to The supporting element of the housing into rotation;The supporting element is bearing or axle sleeve;Two supporting elements are mounted respectively to the shell Both ends;It installs to the vehicle frame at the middle part of the shell.
CN201910619890.7A 2019-07-10 2019-07-10 Wheelchair scooter and hub motor electromagnetic brake system Pending CN110230654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910619890.7A CN110230654A (en) 2019-07-10 2019-07-10 Wheelchair scooter and hub motor electromagnetic brake system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910619890.7A CN110230654A (en) 2019-07-10 2019-07-10 Wheelchair scooter and hub motor electromagnetic brake system

Publications (1)

Publication Number Publication Date
CN110230654A true CN110230654A (en) 2019-09-13

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ID=67855239

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910619890.7A Pending CN110230654A (en) 2019-07-10 2019-07-10 Wheelchair scooter and hub motor electromagnetic brake system

Country Status (1)

Country Link
CN (1) CN110230654A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070089946A1 (en) * 2005-10-25 2007-04-26 Jaeger Industrial Co., Ltd. Slimmed wheel motor having brake
NL2007261C2 (en) * 2011-08-12 2013-02-13 E Traction Europe Bv In-wheel motor with brake.
CN206894433U (en) * 2017-07-21 2018-01-16 浙江尤奈特电机有限公司 A kind of wheel hub motor with external brake gear
CN210344110U (en) * 2019-07-10 2020-04-17 绍兴市百汇汽车销售有限公司 Wheelchair vehicle and hub motor electromagnetic brake system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070089946A1 (en) * 2005-10-25 2007-04-26 Jaeger Industrial Co., Ltd. Slimmed wheel motor having brake
NL2007261C2 (en) * 2011-08-12 2013-02-13 E Traction Europe Bv In-wheel motor with brake.
CN206894433U (en) * 2017-07-21 2018-01-16 浙江尤奈特电机有限公司 A kind of wheel hub motor with external brake gear
CN210344110U (en) * 2019-07-10 2020-04-17 绍兴市百汇汽车销售有限公司 Wheelchair vehicle and hub motor electromagnetic brake system

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