CN107804117A - A kind of universal wheel - Google Patents

A kind of universal wheel Download PDF

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Publication number
CN107804117A
CN107804117A CN201711017149.0A CN201711017149A CN107804117A CN 107804117 A CN107804117 A CN 107804117A CN 201711017149 A CN201711017149 A CN 201711017149A CN 107804117 A CN107804117 A CN 107804117A
Authority
CN
China
Prior art keywords
mounting seat
support
deep
slotted chip
chip breaker
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
CN201711017149.0A
Other languages
Chinese (zh)
Inventor
陈小平
赵明远
岳*波
岳波
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.)
Changzhou Annex Rehabilitation Equipment Co Ltd
Original Assignee
Changzhou Jiqing Electrical And Mechanical 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 Changzhou Jiqing Electrical And Mechanical Co Ltd filed Critical Changzhou Jiqing Electrical And Mechanical Co Ltd
Publication of CN107804117A publication Critical patent/CN107804117A/en
Priority to PCT/CN2018/080427 priority Critical patent/WO2019080443A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
    • B60B19/12—Roller-type wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0002—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/048—Power-assistance activated by pushing on hand rim or on handlebar
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A61G5/045—Rear wheel drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/047—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven by a modular detachable drive system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
    • A61G5/0816—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair
    • A61G5/0825—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair comprising a scissor-type frame, e.g. having pivoting cross bars for enabling folding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
    • B60B19/003—Multidirectional wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
    • B60B3/04—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding
    • B60B3/048—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding the rim being rotatably mounted to the wheel disc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0028—Construction of wheels; methods of assembling on axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/0026—Propulsion aids
    • B62B5/0033—Electric motors
    • B62B5/0036—Arrangements of motors
    • B62B5/004—Arrangements of motors in wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/0026—Propulsion aids
    • B62B5/0033—Electric motors
    • B62B5/0036—Arrangements of motors
    • B62B5/0043—One motor drives one wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/0026—Propulsion aids
    • B62B5/0069—Control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/30—General characteristics of devices characterised by sensor means
    • A61G2203/36—General characteristics of devices characterised by sensor means for motion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1054—Large wheels, e.g. higher than the seat portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2200/00—Type of product being used or applied
    • B60B2200/20—Furniture or medical appliances
    • B60B2200/22—Chairs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/10—Reduction of
    • B60B2900/133—Noise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/30—Increase in
    • B60B2900/321—Lifetime
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/80—Other vehicles not covered by groups B60Y2200/10 - B60Y2200/60
    • B60Y2200/84—Wheelchairs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
    • B62B2301/02—Wheel arrangements; Steering; Stability; Wheel suspension comprising wheels for longitudinal travelling and wheels for lateral travelling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Handcart (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Motor Power Transmission Devices (AREA)

Abstract

The invention discloses a kind of universal wheel, including wheel hub, roller, the side face of wheel hub is provided with the flange of radial direction, multiple mounting seats parallel to wheel hub radial direction are evenly equipped with the side face of bracket component, each mounting seat is formed after closing up fastening by the first discrete mounting seat and the second dress seat, the both ends of each first mounting seat are respectively equipped with the first deep-slotted chip breaker on same circumference, and the both ends of each second mounting seat are respectively equipped with the second deep-slotted chip breaker on same circumference；The end of roller is positioned in the second deep-slotted chip breaker, and after the first mounting seat closes up fastening to the second mounting seat, the end of roller is actively assembled in the circular hole surrounded by the second deep-slotted chip breaker on the first deep-slotted chip breaker and the second mounting seat in the first mounting seat.The present invention has the advantages of reducing assembly difficulty and improving assembly precision.

Description

A kind of universal wheel
Technical field
The present invention relates to a kind of universal wheel suitable for smaller vehicles such as wheelchair or strollers.
Background technology
Wheelchair is the important tool of rehabilitation, and it is not only limbs the disabled walking-replacing tool, it is often more important that borrows them Help wheelchair to carry out physical exercise and participate in social activities, so people are to the requirement on flexibility of wheelchair also more and more higher.
Traditional universal wheel is promoted by external force, need to be changed the direction of wheel and could be moved, and when external force changes the direction of motion When, wheel needs the process of one section of adjustment wheel direction, and use is dumb.And the direction and wheel subcenter that wheel is loaded Skew, wheel carrier is set to produce eccentric moment, operation is unstable, influences service life.
Therefore, disclosed number is CN201061980Y and discloses a kind of electric universal wheel, by big waist drum roller part, small Waist drum roller part and roller bracket alternating installation are distributed on the whole wheel rim of wheel, have four screws can in roller bracket bottom To match with the aperture on the raised wheel rim on hub-type DC brushless motor, by bolt by size waist drum roller part and roller Support is fixed on motor wheel rim, that is, constitutes the electric wheel of a universal walking.
Publication No. CN204352052U utility model patent discloses a kind of electric wheelchair, as shown in figure 1, this is electronic The front-wheel 2 of wheelchair is omni-directional wheel, including wheel hub 2-1, driven pulley 2-2, and is protruded with two row's Y-shapeds of wheel hub 2-1 Integral designs, Any one row's Y-shaped protrusion by it is multiple be distributed on same circumference Y-shaped and protrude 2-3 form, two row's Y-shapeds protrude the cloth that interlocks Put, driven pulley 2-2 is installed on Y-shaped and protruded in the hole being provided with 2-3, and two adjacent Y-shapeds are correspondingly arranged one between protruding 2-3 Individual driven pulley 2-2, any Y-shaped that row's Y-shaped protrudes protrude two Y-shapeds that another row's Y-shaped of face protrudes and protruded Between.
For the wheel of said structure, although the steering of any direction can be realized, however, connecting in CN201061980Y The raised wheel rim and hub-type DC brushless motor for connecing support are integrally formed；The 2-2 of driven pulley is installed in CN204352052U Y shape protrude 2-3 and wheel hub 2-1 be integrally formed, these integrally formed structures can cause manufacture difficulty to increase, manufacturing cost increasing It is high.For the patent in CN204352052U, the spacing between being protruded due to two neighboring Y types is fixed, during installation, , it is necessary to make driven pulley 2-2 produce deformation when driven pulley 2-2 both ends are inserted respectively into the through hole of Y types nose portion setting Amount could be assembled, and not only installation difficulty is big for such structure, due to making driven pulley cause the essence after installation there occurs deformation Degree reduces.
The content of the invention
It is an object of the invention to provide a kind of universal wheel for reducing assembly difficulty and improving assembly precision.
The technical scheme for technical problem of being reported in solution is as follows：
A kind of universal wheel, including wheel hub, roller, the side face of wheel hub are provided with the flange of radial direction, in addition to are fixed on described Bracket component on flange, multiple mounting seats parallel to wheel hub radial direction, each mounting seat are evenly equipped with the side face of bracket component Formed after closing up fastening by the first discrete mounting seat and the second dress seat, the both ends of each first mounting seat are respectively equipped with positioned at same The first deep-slotted chip breaker on one circumference, the both ends of each second mounting seat are respectively equipped with the second deep-slotted chip breaker on same circumference；
The end of roller is positioned in the first deep-slotted chip breaker, after the second mounting seat closes up fastening to the first mounting seat, roller End is actively assembled to what is surrounded by the second deep-slotted chip breaker on the first deep-slotted chip breaker and the second mounting seat in the first mounting seat In circular hole；Or the end of roller is positioned in the second deep-slotted chip breaker, after the first mounting seat closes up fastening to the second mounting seat, roller End be actively assembled to and surrounded by the second deep-slotted chip breaker on the first deep-slotted chip breaker and the second mounting seat in the first mounting seat Circular hole in.
Bracket component and wheel hub split are manufactured, advantageously reduce manufacture difficulty, different material systems can be used Wheel hub and bracket component and mounting seat are made, advantageously reduces manufacturing cost, and precision is readily obtained control.In assembling, The end of roller is positioned in the first deep-slotted chip breaker, after the second mounting seat closes up fastening to the first mounting seat, the end quilt of roller Actively it is assembled in the circular hole surrounded by the second deep-slotted chip breaker on the first deep-slotted chip breaker and the second mounting seat in the first mounting seat, Such structure not only changes deformation simple, and that roller is avoided during assembling when assembling roller, makes the precision after assembling It is guaranteed.Therefore the advantage of the invention is that：Product does not have eccentric moment in use, becomes more steady, makes Use long lifespan.
Brief description of the drawings
Fig. 1 is the schematic diagram of the front-wheel in electric wheelchair in the prior art；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the dimensional structure diagram of the present invention；
Fig. 4 is the cross-sectional view after end cap, axle and DC brushless motor is concealed of the present invention；
Fig. 5 is that the schematic diagram after wheel hub is concealed on the basis of Fig. 4；
Fig. 6 is the schematic diagram of wheel hub；
Fig. 7 is the schematic diagram of first support；
Fig. 8 is the schematic diagram of second support；
Fig. 9 is mounting seat arc radius and the graph of a relation of radius of curvature for rollers；
Figure 10 is that the schematic diagram after end cap, axle and DC brushless motor is assembled with wheel hub；
10 be wheel hub, and 11 be flange, and 11a is mounting hole, and 12 be space, and 13 be clearance space；
20 be bracket component, and 20a is fitting recess, and 21 be first support, and 21a is protection edge, and 22 be second support, and 22a is Axially-extending portion, 22b are floor, and 23 be the first mounting seat, and 23a is the first deep-slotted chip breaker, and 24 be the second dress seat, and 24a is the second arc Shape groove, 25 be first step；
30 be roller, and 31 be bearing；
40 be end cap, and 41 be axle, and 42 be DC brushless motor, and 43 be gear drive.
Embodiment
As shown in Figures 2 to 5, a kind of universal wheel of the invention, including wheel hub 10, bracket component 20 and dolioform rolling Son 30, below the relation to every part and between them be described in detail：
As shown in Figures 2 to 6, the side face of wheel hub 10 is provided with the flange 11 of radial direction, and the quantity of flange 11 preferentially uses two Group, each group can be made up of a continuous collar flange, can also be made up of multiple discrete flanges, in the present embodiment, The each group of flange 11 for preferentially using ring-type.Multiple axial mounting hole 11a are provided with flange 11, these mounting holes 11a is used In mounting bracket assembly.
In one or more embodiments, it is preferable that flange 11 is close to one end of the axial end of wheel hub 10 and the axle of wheel hub 10 It is more than 1mm to the distance between end face, to form the space 12 for being used for a mount support component part, to avoid bracket component 20 After being assembled with wheel hub 10, bracket component 20 protrudes into the axially external of the axial end of wheel hub 10, if the both ends installation end cap of wheel hub, And then assembling of the bracket component 20 to end cap can be avoided to produce interference.The clearance space between two flanges 11 on wheel hub 10 13, form the space of a mount support component part.
As shown in Fig. 2 to Fig. 8, bracket component 20 is fixed on the flange 11, and bracket component 20 is provided with described in receiving The fitting recess 20a of flange 11, after the flange 11 is inserted into the fitting recess 20a, bracket component 20 passes through fastening with flange Part is fastened as a whole, and fastener preferentially uses screw.
As shown in Figure 4 and Figure 5, in one or more embodiments, bracket component 20 is by discrete first support 21 and Two supports 22 are fastened after closing up and formed, first support 21 and second support 22 in a ring, first support 21 and second Frame 22 is respectively fitted on the wheel hub 10, and second support 22 is connected by screw with the mounting hole on flange 11, makes second support 22 are fastened as a whole with flange 11.
As shown in Figure 4 and Figure 5, because first support 21 and second support 22 are respectively fitted on the wheel hub 10, first Frame 21 is arranged at space 12, and second support 22 is arranged at clearance space 13, for the first support at space 12 For 21, the structure of overall annulus can be used, the knot that an annulus is formed after being combined by multiple arcs support can also be used Structure, in the present embodiment, first support 21 preferentially uses the circular ring structure of monoblock type.
As shown in Figure 4 and Figure 5, for the second support 22 at clearance space 13, due in the present embodiment Flange 11 be two, so could be by therefore, it is necessary to second support 21 is arranged at least be made up of two arc supports Two supports are arranged in clearance space 13, and each arc support preferentially uses the structure of semicircle, and certainly, arc support can not also It is semicircle, as long as forming the second support 22 of annular after these arc support tandem arrays, for example, arc support is 3 When, the radian of each arc support is 120 degree, and when arc support is 2, the radian of one of arc support is less than 180 degree, And the radian of another arc support is more than 180 degree.
As shown in Figure 4 and Figure 5, in the present embodiment, the flange 11 on the side face of wheel hub is two groups, on each group of flange 11 The bracket component 20 is installed, flange 11 of the one end per the arc support in pack support component 20 with installing the bracket component Support, be provided with axially-extending portion 22a per the other end of the arc support in pack support component 20, in one of which bracket component 20 Axially-extending portion 22a and the arc support in another pack support component axially-extending portion of arc support mutually support with phase Mutually form axial limiting.By such structure setting, both second support 22 is arranged in clearance space 13, allows two again One end of individual second support 22 can carry out axial limiting by flange 11, and the other end of two second supports 22 is mutually limited Position, cause that the steadiness of second support 22 is more preferable after mounting.
As shown in Fig. 2 to Fig. 8, multiple mounting seats parallel to wheel hub radial direction are evenly equipped with the side face of bracket component 20, often Individual mounting seat is formed after closing up fastening by discrete the first mounting seat 23 and the second dress seat 24, and the one of first mounting seat 23 On the circumference of first support 21, one end of second mounting seat 24 is located on the circumference of second support 22 at end.First peace Dress seat 23 is integrally formed with first support 21, and the second mounting seat 24 is integrally formed with second support 22, and the first mounting seat 23 passes through Screw is fastened with the second mounting seat 24, so that first support 21 is fixed as one with second support 22.
As shown in Fig. 2 to Fig. 8, each first mounting seat 23 extends radially into first support along first support 21 First step 25 is formed on 21 axial end, first step 25 not only adds the intensity of first support 21, moreover, each the One step 25 preferentially with end to end state formed a ring-type step, first support 21 to second support 22 close up when, After the axial end of second support 22 and the axial end of first step 25 are mutually supported, axial end in first support 21, The fitting recess 20a is surrounded between the axial end and first step 25 of second support 22.
As shown in Fig. 2 to Fig. 8, the universal wheel in the present invention, in use, in addition to circumferentially rotated, also It can be rotated to other arbitrary directions, therefore, the stress of universal wheel is the active force of any direction.In the present invention, bracket component 20 with wheel hub 10 manufacture respectively after be combined into one, therefore, the intensity of bracket component 20 be molded directly within wheel hub 10 Bracket component compare, intensity can be reduced, so as to, in one or more embodiments, in order to increase bracket component 20 Intensity, floor 22b is provided with axially-extending portion 22a, floor 22b one end is fixed with the second mounting seat 24, floor 22b and The axial end connection of two mounting seats 24, so, when active force of the universal wheel by not rounded circumferential direction, in floor 22b branch These active forces are put up a resistance under support effect, the second mounting seat 24 can be avoided to be broken.
First mounting seat 23 and the second dress seat 24 are preferentially fastened using screw, the both ends difference of each first mounting seat 23 Provided with the first deep-slotted chip breaker 23a on same circumference, the both ends of each second mounting seat 24 are respectively equipped with same circumference The second deep-slotted chip breaker 24a.Preferentially using dolioform, the end of roller 30 is positioned in the second deep-slotted chip breaker the shape of roller 30, the After one mounting seat 23 closes up fastening to the second mounting seat 24, the end of roller 30 is actively assembled to by the first mounting seat 23 The first deep-slotted chip breaker 23a and the second mounting seat 24 on the circular hole that surrounds of the second deep-slotted chip breaker 24 in.
Above-mentioned assembly method, it is first to be fastened the flange 11 of second support 22 during mounting bracket assembly 20, roller 30 End is positioned in the second deep-slotted chip breaker 24a, then first support 21 is closed up to second support 22, finally, then by the first mounting seat Fastened with the second mounting seat, the end of final roller 30 is actively assembled to by the first arc in the first mounting seat 23 In the circular hole that the second deep-slotted chip breaker 24 on groove 23a and the second mounting seat 24 surrounds.So, multiple rollers 30 are along bracket component 20 Circumferentially, roller 30 can be moved as wheel hub 10 is overall, and roller 30 can also carry out rotation in mounting seat, with suitable Motion during any direction should be changed.
First deep-slotted chip breaker 23a and the second deep-slotted chip breaker 24a radian may each be 180 or：First deep-slotted chip breaker 23a Radian be less than 180 degree, and the second deep-slotted chip breaker 24a radian is more than 180 degree, can also be：First deep-slotted chip breaker 23a radian is big In 180 degree, and the second deep-slotted chip breaker 24a radian is less than 180 degree, and in brief, two radian sums, which are 360 degree, makes first Deep-slotted chip breaker 23a and the second deep-slotted chip breaker 24a close up to form circular hole.
The end of roller 30 is provided with bearing 31, after the first mounting seat 23 and the second mounting seat 24 are closed up and fastened, bearing 31 It is mounted to what is surrounded by the second deep-slotted chip breaker 24a on the first deep-slotted chip breaker 23a and the second mounting seat 24 in the first mounting seat 23 In circular hole.By installing bearing 31 at the both ends of roller 30, the frictional force between roller 30 and mounting seat can be reduced, makes roller 30 is more flexible in rotation.
In the present embodiment, because the flange 11 on the side face of wheel hub is two groups, it is mounted on each group of flange 11 described Bracket component 20, the roller 30 in the mounting seat of two pack support components 20 is in staggeredly complementary arrangement, interlaced complementary row Arranged between the central point of the curved surfaces of three rollers 30 of row in isosceles triangle, be located at same row's branch in three rollers Two rollers 30 in the mounting seat of frame component 20 are located on the base of isosceles triangle.Here the installation of two pack support components 20 Arranged on seat between three rollers 30 of interlaced complementary arrangement in isosceles triangle, the setting of the structure may be such that what is landed What three rollers balanced simultaneously all the time is contacted with bottom surface so that and universal wheel remains stable state in the process of running, if It is non-isosceles triangle arrangement between three rollers 30 of interlaced complementary arrangement in the mounting seat of two pack support components 20, then Universal wheel in the process of running then can be unstable, and the situation that only two rollers land especially occurs when universal wheel is turned, Universal wheel then can be uneven, if the universal wheel of the present invention is applied on wheelchair, slight jolt also occurs in wheelchair so that The people being sitting on wheelchair feels uncomfortable.
As shown in Fig. 2 to Fig. 9, the outer tip end of the first mounting seat 23 and the second dress seat 24 is in the circular arc concentric with wheel hub 10 Shape, the radius of circular arc is r, and the curved surfaces of dolioform roller 30 and the radius of wheel hub concentric circles are R1, and r/R1 numerical value exists In the range of 0.96~0.98.Setting r/R1 numerical value, the stability of universal wheel, life-span are best in the range of 0.96~0.98, if Less than the number range, then bracket component 20 and mounting seat are poor to the support force of roller 30, the stress ratio of roller 30 itself It is larger, the life-span of roller can be influenceed；If being more than the number range, although bracket component 20 and mounting seat are to the support force of roller It is good, but the ability that universal wheel clears the jumps can be caused to reduce, bracket component 20 and mounting seat can form resistance.
As shown in Fig. 2, Fig. 3 and Figure 10, in addition to end cap 40, axle 41, DC brushless motor 42, gear drive 43, The wheel hub 10 is hollow and both ends have opening, and the internal face of wheel hub 10 is provided with gear ring, and end cap 40 is fixed on the axle of wheel hub 10 To on end face, pilot hole is provided with the axial end of wheel hub 10, after end cap 40 is covered on the axial end of wheel hub 10, passes through spiral shell End cap and wheel hub 10 are fastened as a whole by nail.DC brushless motor 42 is located inside wheel hub 10, and one end of axle 41 is from brush DC After the center of motor 42 passes through, the both ends of axle 41 are respectively supported on end cap 40, and gear drive is arranged at brush DC electricity The output end of machine 42, gear drive 43 engage with the gear ring on the inwall of wheel hub 10.
The present invention is not limited to above-described embodiment, for example, the end of roller 30 is positioned in the first deep-slotted chip breaker 23a, second After mounting seat 24 closes up fastening to the first mounting seat 23, the end of roller 30 is actively assembled to by the first mounting seat 23 In the circular hole that the second deep-slotted chip breaker 24a on first deep-slotted chip breaker 23a and the second mounting seat 24 is surrounded.This assembly method, installation branch It is first to be fastened first support 21 and flange 11 during frame component 20, the end of roller 30 is positioned in the first deep-slotted chip breaker 23a, Second support 22 is closed up to first support 21 again, finally, then the first mounting seat and the second mounting seat fastened, final rolling The end of son 30 is actively assembled to by second on the first deep-slotted chip breaker 23a and the second mounting seat 24 in the first mounting seat 23 In the circular hole that deep-slotted chip breaker 24 surrounds.
It is provided between two adjacent first mounting seats 23 and encloses protection in the arcuation in the outside of roller 30 along 21a, the protection edge 21a is integrally formed with the mounting seat 23 of first support 21 and first, and 30 rollers 2 and protection are provided with gap along between 5.

Claims (10)

1. a kind of universal wheel, including wheel hub, roller, it is characterised in that the side face of wheel hub is provided with the flange of radial direction, in addition to solid The bracket component being scheduled on the flange, multiple mounting seats parallel to wheel hub radial direction is evenly equipped with the side face of bracket component, often Individual mounting seat is formed after closing up fastening by the first discrete mounting seat and the second dress seat, and the both ends of each first mounting seat are set respectively There is the first deep-slotted chip breaker on same circumference, the both ends of each second mounting seat are respectively equipped with the second arc on same circumference Shape groove；
The end of roller is positioned in the first deep-slotted chip breaker, after the second mounting seat closes up fastening to the first mounting seat, the end of roller Actively it is assembled to the circular hole surrounded by the second deep-slotted chip breaker on the first deep-slotted chip breaker and the second mounting seat in the first mounting seat In；Or the end of roller is positioned in the second deep-slotted chip breaker, after the first mounting seat closes up fastening to the second mounting seat, the end of roller Portion is actively assembled to the circle surrounded by the second deep-slotted chip breaker on the first deep-slotted chip breaker and the second mounting seat in the first mounting seat Kong Zhong.
2. universal wheel according to claim 1, it is characterised in that bracket component is provided with the assembling for accommodating the flange Groove, after the flange is inserted into the fitting recess, bracket component is fastened as a whole with flange by fastener.
3. universal wheel according to claim 1 or 2, it is characterised in that bracket component is by discrete first support and second Support is fastened after closing up and formed, and first mounting seat is located on the circumference of first support, and second mounting seat is located at On the circumference of second support.
4. universal wheel according to claim 3, it is characterised in that footpath of each first mounting seat along first support Form first step on to the axial end for extend to first support, first support to second support close up when, second support After the axial end of axial end and first step is mutually supported, the axial end of axial end, second support in first support The fitting recess is surrounded between face and first step.
5. universal wheel according to claim 3, it is characterised in that first support and second support in a ring, first Frame and second support are respectively fitted on the wheel hub.
6. universal wheel according to claim 5, it is characterised in that the second support is at least by two arc support groups Into.
7. universal wheel according to claim 6, it is characterised in that the flange on the side face of the wheel hub is two groups, each The bracket component is mounted on group flange, one end per the arc support in pack support component is with installing the bracket component Flange is supported, per pack support component in the other end of arc support be provided with axially-extending portion, in one of which bracket component The axially-extending portion of arc support and the axially-extending portion of the arc support in another pack support component are mutually supported with mutual shape Into axial limiting.
8. universal wheel according to claim 7, it is characterised in that the axially-extending portion is provided with floor, and the one of floor End is fixed with the second mounting seat.
9. universal wheel according to claim 1, it is characterised in that the end of roller is provided with bearing, the first mounting seat and the After two mounting seats are closed up and fastened, bearing is mounted to by the first deep-slotted chip breaker and the second mounting seat in the first mounting seat In the circular hole that two deep-slotted chip breakers surround.
10. universal wheel according to claim 1, it is characterised in that also passed including end cap, axle, DC brushless motor, gear Motivation structure, the wheel hub is hollow and both ends have opening, and the internal face of wheel hub is provided with gear ring, and end cap is fixed on the axial direction of wheel hub On end face, DC brushless motor is located at hub interior, after one end of axle passes through from the center of DC brushless motor, the both ends point of axle It is not supported on end cap, gear drive is arranged at the output end of DC brushless motor, gear drive and wheel hub wall On gear ring engagement.
CN201711017149.0A 2017-04-14 2017-10-26 A kind of universal wheel Pending CN107804117A (en)

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CN201711011714.2A Pending CN107811775A (en) 2017-04-14 2017-10-26 The control method and controller of power-assisted intelligent driver afterwards
CN201711017149.0A Pending CN107804117A (en) 2017-04-14 2017-10-26 A kind of universal wheel
CN201721394533.8U Active CN207711710U (en) 2017-04-14 2017-10-26 A kind of universal wheel
CN201711011722.7A Pending CN107753197A (en) 2017-04-14 2017-10-26 Power-assisted intelligent driver afterwards

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CN107811775A (en) 2018-03-20
WO2019080443A1 (en) 2019-05-02
WO2019080444A1 (en) 2019-05-02
JP3216935U (en) 2018-07-05
CN106985608A (en) 2017-07-28
CN107753197A (en) 2018-03-06
DE202018101986U1 (en) 2018-05-25
CN207711710U (en) 2018-08-10

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