CN206600425U - A kind of gearing actuator and its hub unit of application for single-arm bicycle frame - Google Patents
A kind of gearing actuator and its hub unit of application for single-arm bicycle frame Download PDFInfo
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- CN206600425U CN206600425U CN201720179936.4U CN201720179936U CN206600425U CN 206600425 U CN206600425 U CN 206600425U CN 201720179936 U CN201720179936 U CN 201720179936U CN 206600425 U CN206600425 U CN 206600425U
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Abstract
The utility model discloses a kind of gearing actuator for single-arm bicycle frame and its hub unit of application, using Planetary Gear Transmission, including axle portion part, planetary gear train, described axle portion part one end is assemblied on the fixed mount being fixedly connected with single-arm bicycle frame, and be connected with the power intake on vehicle frame, rotating dress is matched somebody with somebody between the wheel hub of fixed mount and the single-arm bicycle frame connection, and the axle portion part respectively match somebody with somebody between fixed mount, wheel hub by rotating dress；The other end of the axle portion part by inputting adapter, circumferentially assemble with planetary gear train input by transmission；The planetary gear train is assemblied in the space that fixed mount and wheel hub are constituted, and is assembled between planetary gear train output end and wheel hub by one-way clutch, and the centre wheel of the planetary gear train is provided with the controllable ratchet that locking centre wheel is rotated.The motor of lockable mechanism and the drive hub rotation for wheel hub is additionally provided with inside hub unit.The utility model production cost is low, assembling is more convenient, is conducive to the bicycle popularization and application of single-arm bicycle frame.
Description
Technical field
The utility model belongs to bicycle mechanical drive technology, and in particular to a kind of internal speed changer for single-arm bicycle frame is passed
Motivation structure and its hub unit of application.
Background technology
The bicycle of single-arm bicycle frame refers to the front forked frame or rear crotch of cycle frame by the way of the support of unilateral vehicle frame
It is connected with hub for vehicle wheel, its unique moulding and lighter vehicle frame weight start to step into bicycle market.Using list
The hub unit of arm vehicle frame will consider the transmission and support of axletree, and the mode for how realizing hub drive is to solve application list
The problem of arm frame bicycle.
Such as Application No. 201610218309.7, the entitled motor of utility model, electric system and charging and brake method
Chinese patent document in disclose the hub drive scheme that a kind of single-arm bicycle frame bicycle is used, including clutch unit, OK
Star gear train, clutch unit is used to transmit torque between axletree and epicyclic train, and planetary gear train is set in axletree
On, can utilize from clutch unit transmission come power drive inside rotor and hub rotation.The technical scheme will row
Star wheel series transmission mechanism and axletree are combined there is provided the hub drive scheme of single-arm bicycle frame bicycle, and the technical scheme is only
A kind of transmission scheme of fixed drive ratio can be realized, it is impossible to solve different demands of riding well.
In addition, with the intelligentized development of bicycle, how such as intelligent car locking, electric riding power-assisted make single-arm bicycle frame
It is also to promote the research emphasis of single-arm bicycle frame bicycle that bicycle, which adapts to intelligent development,.
Utility model content
The utility model solve technical problem be：The hub drive ratio existed for existing single-arm bicycle frame bicycle is single
One defect, can be effectively there is provided a kind of internal speed changer transmission mechanism and its hub unit of application for single-arm bicycle frame
The multiple gear ratios transmission between single-arm bicycle frame and wheel hub is solved, and can realize that the intelligent functions of bicycle are set.
The utility model adopts the following technical scheme that realization：
A kind of gearing actuator for single-arm bicycle frame, using Planetary Gear Transmission, including axle portion part, planetary gear
System, described axle portion part one end is assemblied on the fixed mount being fixedly connected with single-arm bicycle frame, and is passed with the power intake on vehicle frame
Rotating dress is matched somebody with somebody between dynamic connection, the wheel hub of fixed mount and the single-arm bicycle frame connection, the axle portion part respectively with fixed mount, wheel hub
Between rotating dress match somebody with somebody；The other end of the axle portion part by inputting adapter, circumferentially assemble with planetary gear train input by transmission；Institute
State planetary gear train to be assemblied in the space that fixed mount and wheel hub are constituted, one-way clutch is passed through between planetary gear train output end and wheel hub
Device is assembled, and the centre wheel of the planetary gear train is provided with the controllable ratchet that locking centre wheel is rotated.
Further, the fixed mount is assembled with planetary gear train, wheel hub respectively by mounting seat；The mounting seat end face
Be fixedly connected with fixed mount, the other end has a cylinder construction section of protrusion, the outer ring of cylinder construction section respectively with planetary gear train and
Wheel hub is assembled, and inner ring is matched somebody with somebody with axle portion part rotating dress simultaneously.
Further, the ratchet of the planetary gear train is assemblied in mounting seat by pawl base, and the pawl base is circumferentially fixed
Position is set in mounting seat, and the ratchet is rotatably mounted in the ratchet mounting groove of pawl base outer ring by ratchet spring, is kept
Ratchet is state of upspringing；The centre wheel rotation of the planetary gear train is set on pawl base, the inner ring of the centre wheel be provided with
The chimeric spine groove of the ratchet for state of upspringing.
Further, rotary sleeve is gone back on the pawl base provided with control ring, the mounting hole inner ring of the control ring is provided with pressure
The ratchet control of ratchet processed and ratchet of upspringing is raised, and the control ring is connected by transmission component with speed changing control mechanism.
Further, the speed changing control mechanism is circumferentially positioned in the motor for being arranged on hub interior, the mounting seat
Motor mount is equipped with, the motor is fixedly mounted on motor mount, the output shaft of the motor connects a driving tooth
Wheel, the driven gear teeth meshing that the driving gear is set with control ring outer ring.
Further, the outer ring of the control ring is additionally provided with the positioning convex coordinated with position sensor, and the position is passed
Sensor passes through signal feedback link with motor.
Further, wheel hub end face and a spiral cover sealing assembling, the spiral cover is matched somebody with somebody with mounting seat rotating dress.
In the utility model, the planetary gear train uses double-planetary gear, includes two groups of centre wheels and two groups of ratchets,
The control ring is arranged on the side of planetary gear train, and ratchet uses elongate configuration, is extended to from the ratchet mounting groove on pawl base
Control ring one end, ratchet part is set in the controlled centre wheel position of ratchet correspondence, and corresponding another centre wheel position, which is set, to be kept away
Dead band, the end of the ratchet is unified to set control raised, while realizing in two groups of ratchets that most one are state of upspringing.
Further, the planetary gear train input is planet carrier, the rotation that the input adapter is connected with planet carrier
Circumference also passes through axle provided with mutually chimeric transmission projection and transmission groove between the input adapter and planet carrier after being fitted together to
Realize that axially position is assembled to keeper.
Further, the planetary gear train output end includes external toothing and planet carrier, and the external toothing is unidirectional by first
Clutch is assembled with wheel hub, and the planet carrier is assembled by the second one-way clutch and wheel hub.
As a kind of preferred scheme of the present utility model, the planetary gear train output end includes external toothing and planet carrier, institute
State external toothing to assemble by the first one-way clutch and wheel hub, the planet carrier is filled by the second one-way clutch and ring gear
Match somebody with somebody.
The invention also discloses a kind of hub unit for single-arm bicycle frame, using above-mentioned variable transmission mechanism,
The wheel hub outer rim is fixedly mounted by spoke and tire, and the lockable mechanism for wheel hub is additionally provided with inside the hub unit,
The technical scheme of lockable mechanism refers to Application No. 2016111109204 filed in the 6 days December in 2016 of the applicant
Utility model application file.
Further, the hub interior is additionally provided with rotation speed monitoring module, the rotation speed monitoring module and lockable mechanism
Locking motor passes through signal feedback link.
Further, the hub interior is additionally provided with the motor of drive hub rotation.
The utility model combines the hub unit of internal speed changer transmission mechanism and single-arm bicycle frame, solves single-arm bicycle frame not
The defect of internal speed changer can be set, the comfortableness of riding of the bicycle or electric bicycle using single-arm bicycle frame is improved, and
Using hub unit production cost of the present utility model is low, assembling is more convenient, be conducive to the bicycle popularization and application of single-arm bicycle frame.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 be embodiment in gearing actuator assembling schematic diagram.
Fig. 2 be embodiment in gearing actuator decomposing schematic representation.
Fig. 3 is the mounting seat structural representation in embodiment.
Fig. 4 is the input adapter base structure schematic diagram in embodiment.
Fig. 5 is the planet carrier structure schematic diagram in embodiment.
Fig. 6 is the annular gear structure schematic diagram in embodiment.
Fig. 7 is the first centre wheel assembling schematic diagram in embodiment.
Fig. 8 is the pawl base structural representation in embodiment.
Fig. 9 is the first ratchet and the second pawl structures schematic diagram in embodiment.
Figure 10 is the control ring structural representation in embodiment.
Figure 11 is the motor mounting seat structure schematic diagram in embodiment.
Figure 12 is the wheel hub lockable mechanism assembling schematic diagram in embodiment.
Label in figure：
1- axle portion parts, 11- input adapters, 111- input adapter mounting holes, the spacing straight flanges of 1111-, 112- transmissions are recessed
Groove, 113- annular grooves, 12- clutch shaft bearings, 13- second bearings, 14- 3rd bearings, 15- fourth bearings, 16- input gears, 17-
Axial snap ring,
2- planetary gear trains, 21- planet carriers, 211- planetary gears installation position, 212- transmissions are raised, 2121- annular grooves, 213- the
Two one-way clutch install outer ring, and 22- ring gears, 221- internal tooths, the one-way clutch of 222- second installs inner ring, and 223- first is single
Outer ring, 23- double-planetary gears, the centre wheels of 24a- first, the centre wheels of 24b- second, the one-way clutch of 25- first are installed to clutch
Device, the one-way clutch of 26- second,
3- wheel hubs, 31- spiral covers, 32- sealing rings, 33- liners
4- fixed mounts, 41- mounting seats, 411- bearing construction sections, 4111- stopper slots, 412- location and installations section, 4121- is fixed
Position breach,
51- ratchet springs, 52- control rings, 521- control ring mounting holes, 5211- ratchet control units, the driven gear teeth of 522-,
523- positioning convex, 53- pawl bases, 531- pawl base mounting holes, 5311- pawl base spacing preiections, 532- ratchet mounting grooves,
533- ratchet spring mounting grooves, 54- ratchets, the ratchets of 54a- first, the ratchets of 54b- second, 541- controls are raised, 542- ratchet parts,
543- spring mountings, 544- rotating parts, 545- empty avoidings section, 55- driving gears, 56- motor mounts, 561- motor mounts
Installation endoporus, 5611- motor mount spacing preiections, 562- motor installing holes, 57- motors,
6- lockable mechanisms, the latch fittings of 61- first, the latch fittings of 62- second, 63- switch members, 64- lock rings, 641- locked grooves, 65- rotations
Control block, 66- locking motors, 67- steel wires, 68- latch fitting installing plates,
7- brakes.
Embodiment
Embodiment
Referring to Fig. 1 and Fig. 2, it is illustrated that in a kind of hub unit for single-arm bicycle frame be preferred side of the present utility model
Case, including gearing actuator and the lockable mechanism 6, the brake 7 that are arranged on wheel hub etc..
Wherein gearing actuator includes axle portion part 1, planetary gear train 2 and some speed Control projection pieces.Specifically, axle
The one end of part 1 rotation is assemblied on fixed mount 4, the crotch end of fixed mount 4 and single-arm bicycle frame is wholely set, at the same with it is corresponding
Assembling is rotated against between wheel hub 3, the power intake transmission that axle portion part 1 is set on one end of fixed mount 4 and vehicle frame connects
Connect, the structure of specific single-arm bicycle frame refers to single-arm bicycle frame bicycle of the prior art.The other end of axle portion part 1 then passes through row
The wheel hub 3 corresponding with single-arm bicycle frame of star wheel series 2 is connected.Because axle portion part is simultaneously as between driving member and wheel hub and vehicle frame
Support member, the both ends of axle portion part 1 are assembled between fixed mount 4 and wheel hub 3 by fourth bearing 15 and clutch shaft bearing 12 respectively, real
Existing axle portion part 1 is supported to the rotation between fixed mount 1 and wheel hub 3, meanwhile, fixed mount 4 is overall fixed, axle portion part 1 and wheel hub 3 it
Between can rotate relatively freely, realize the gear of planetary gear train.
The end of axle portion part 1 in the present embodiment is equipped with input gear 16, and corresponding vehicle frame power intake uses tooth
Shaft transmission is taken turns, is connected with input gear 16, in actual applications, power intake can also use belt transmission or chain
The transmission mechanisms such as transmission.
As shown in fig. 1, the one end of fixed mount 4 is integrally connected with single-arm bicycle frame, and other end connects a mounting seat 41, passes through
Mounting seat 41 is assembled with axle portion part 1 and planetary gear train 2.The end face of mounting seat 41 is fixedly connected by flange arrangement with fixed mount 4,
The other end is the cylinder construction section of extension, as shown in figure 3, being divided into bearing construction section 411 and location and installation section on the construction section
412, the outer ring of its middle (center) bearing construction section 411 is matched somebody with somebody by rotating dress between 3rd bearing 14 and wheel hub 3, bearing construction section 411
Inner ring is matched somebody with somebody by rotating dress between second bearing 13 and axle portion part 1, improves axle portion part 1 as the support strength of support member.Positioning
Construction section 412 is then used to assemble planetary gear train 2, and planetary gear train 2 is sleeved on positioning seat, and is encapsulated in hub interior.
The end face of wheel hub 3 and spiral cover 31 realize sealing assembling by sealing ring 32, the spiral cover 32 by 3rd bearing 14 with
The outer ring rotating dress of the bearing construction section 411 of mounting seat is matched somebody with somebody, and the bearing in the present embodiment uses sealed bearings.In wheel hub 3
Periphery is fixed with brake block, and binder is fixed with mounting seat and brake block coordinates, the brake 7 of single-arm bicycle frame is formed,
Brake of the present utility model is not limited only to disc-type brake, can also be using the known brake used on other cycle hubs
Device type.
Planetary gear train 2 includes planet carrier 21, ring gear 22, double-planetary gear 23 and two groups of centre wheels 24, wherein centre wheel
24 are sleeved on axle portion part 1, and planet carrier 21 is as real by inputting adapter 11 between planetary gear train input, with axle portion part 1
Existing power connector.Component is filled as shown in figure 4, input adapter 11 is a disk, its center is provided with input adapter mounting hole 111,
Adapter 11 is inputted by inputting the coaxial package of adapter mounting hole 111 on axle portion part 1, in input adapter mounting hole 111
Spacing straight flange 1111 is respectively equipped between the outer ring of axle portion part 1, realizes that the circumference between axle portion part 1 and input adapter 11 is determined
Position assembling.The turning circumference for inputting adapter 11 is provided with some transmission grooves 112, and planet carrier 21 connects with input adapter 11
Tactile turning circumference end face is provided with the transmission projection 212 chimeric with transmission groove 112, as shown in Figure 5, inputs the He of adapter 11
Transmission groove 112 and transmission projection 212 between planet carrier 21 are fitted together to, and realize the week between input adapter 11 and planet carrier 21
To transmission assembling, the rotary power of axle portion part 1 is transferred to planet carrier 21, projection 212 and transmission groove 112 are driven after chimeric
Excircle on further respectively have and can be combined into the annular groove 113,2121 of full circumferences, the annular groove 113,2121 after split
The interior axial snap ring 17 of assembling, while the circumferentially transmission assembling of adapter 11 and planet carrier 21 is inputted, also passes through axially position part
Realize axially position assembling between the two.
Referring to Fig. 5 and Fig. 6, planet carrier 21 and ring gear 22 in the present embodiment can as planetary gear train 2 output
It is connected with wheel hub 3.Planetary gear installation position 211 of the circumference of planet carrier 21 provided with some assembling duplex centre wheels, planet carrier
The second one-way clutch for installing the second one-way clutch is additionally provided with 211 outer ring outer ring 213 is installed, second it is unidirectional from
Clutch 26 is set in the second one-way clutch and installed on outer ring 213, realizes rotary power by the directly unidirectional output of planet carrier 21 extremely
Wheel hub 3.The internal tooth 211 engaged with duplex centre wheel one of which centre wheel is provided with the inner ring of ring gear 22, ring gear 22
Outer ring is provided with the first one-way clutch for being used to install the first one-way clutch and installs outer ring 223, the first 25 sets of one-way clutch
It is located at the first one-way clutch to install on outer ring 223, it is interior that the outer ring of the first one-way clutch 25 is entrenched in that the inwall of wheel hub 3 inlays
On lining 33, realize that rotary power is unidirectionally exported to wheel hub 3 after planetary gear train speed change by ring gear 22.
Planet carrier 21 and ring gear 22 can pass through the second one-way clutch 26 and the first one-way clutch 25 and wheel hub respectively
Inner ring is assembled, and the present embodiment considers the installation axial dimension of reduction hub interior, and planet carrier 21 is passed through into the second one-way clutch
Device 26 is assembled with ring gear 22, the inner ring of ring gear 22 be additionally provided with for assemble the second one-way clutch 26 second it is unidirectional from
Clutch installs inner ring 222, and when planet carrier 21 is as output, planet carrier 21 passes through the single-direction transmission internal tooth of the second one-way clutch 26
Circle 22, ring gear 22 is unidirectionally exported rotary power to wheel hub 3 by the first one-way clutch 25, and ring gear 22 is used as output
When, the rotating speed of ring gear 22 can surmount planet carrier 21, and the second one-way clutch is exceeded, and do not interfere with the normal of planet carrier 21 and turn
It is dynamic.
First one-way clutch 25 and the second one-way clutch 26 can be super using pawl-type overrunning clutch or steel-ball type
More clutch, its frame mode and mounting means refer to the ratchet set-up mode in existing cycle hub.
Two groups of ratchets are passed through as speed changing transmission gear using double-planetary gear 23 and two groups of centre wheels 24 in the present embodiment
The rotation and stalling of 54 difference control centre wheels, can be achieved the conversion of three kinds of fast ratios.Enter by taking the first centre wheel 24a assembling as an example
Row explanation.As shown in Figure 7 and Figure 8, the first centre wheel 24a is assemblied on axle portion part 1 by the rotation of pawl base 53, wherein, ratchet
Seat 53 is provided with pawl base mounting hole 531, and pawl base 53 is sleeved on the location and installation section of mounting seat by pawl base mounting hole 531
On 412, the locating notch 4121 of circular arc is provided with the circumference of the location and installation section 412 of mounting seat 41, in pawl base mounting hole
531 are provided with the pawl base spacing preiection 5311 for correspondence circular arc, and mutually chimeric locating notch 4121 and pawl base is spacing
The circumferentially positioned assembling of pawl base in mounting seat, is limited pawl base 53 and rotated, the first centre wheel 24a rotates suit by projection 5311
On pawl base 53, can freely it be rotated relative to pawl base.Ratchet mounting groove 532 provided with axial direction on pawl base 53, in ratchet
The first ratchet of installation 54a in mounting groove 532, the first ratchet 54a are fixed in ratchet mounting groove 532 by ratchet spring 51, and
Ratchet is kept to be initially the state of upspringing, the first centre wheel 24a is sleeved on the pawl base of the first ratchet 54a positions, the
One centre wheel 24a inner ring is provided with the spine groove with the first ratchet 54a one way engagements, after the first ratchet 54a upsprings, in embedded spine groove
By the first centre wheel 24a unidirectional lockings, after the first ratchet 54a pressures, the first centre wheel 24a is free to rotate.
Second centre wheel 24b structure and mounting means is identical with the first centre wheel 24a, unlike, two groups of centre wheels
Coaxially assemble side by side, the position of ratchet part 542 of corresponding two groups of ratchets 54 is different.As shown in figure 9, the first ratchet 54a correspondences the
The ratchet part 542 of the second centre wheel corresponding with the second ratchet of ratchet part 542 of one centre wheel mutually staggers, and is produced into reduce
This, the first ratchet 54a and the second ratchet 54b use equal length, the length for the ratchet mounting groove 532 processed on pawl base 53
Unanimously, control projection 541, ratchet part 542, spring mountings are respectively equipped with the first ratchet 54a and the second ratchet 54b successively
543, the first ratchet 54a and the second ratchet 54b back are the rotating part 544 of circular arc cylinder, and the bottom surface of ratchet mounting groove 532 is
Corresponding face of cylinder groove, is easy to ratchet rotary oscillation in ratchet mounting groove, and the first ratchet 54a and the second ratchet 54b set control
Same one end that one end of system projection 541 extends to planetary gear train is connected with control ring 52, and control ring 52 passes through speed changing control mechanism
Control projection 541 is promoted to realize that the ratchet part of ratchet is upspring and depressed, due to using double-planetary gear, therefore in speed-change process
In, it shall be guaranteed that the ratchet of most only one of which centre wheels is state of upspringing.First ratchet 54a and the second ratchet 54b is use
Elongate configuration, control ring one end is extended to from the ratchet mounting groove on pawl base, in the controlled centre wheel position of ratchet correspondence
Ratchet part 541 is set, and corresponding another centre wheel position then sets empty avoiding section 545.
As shown in Figure 10, the center of control ring 52 is provided with control ring mounting hole 521, and control ring 52 passes through control ring mounting hole
521 rotary sleeves are convex provided with the control for corresponding to two groups of ratchets 54 respectively in the inner ring of control ring mounting hole 521 on pawl base 53
The ratchet control unit 5211 risen, ratchet control unit 5211 is the groove being arranged on the inner ring of control ring mounting hole 521, keeps off control ring
When the inner ring of mounting hole 521 is contacted with the control projection 541 of ratchet, the ratchet part 542 of ratchet is depressed, at corresponding centre wheel
In free rotary state, when ratchet control unit 5211 groove and ratchet control projection contacts when, the ratchet part of ratchet is in spine
Upspring in the presence of latch spring, corresponding centre wheel is limitation rotary state.
Control ring 52 can be connected by the speed changing control mechanism of the outside of bicycle and controlled, and such as bracing wire controlling organization also may be used
Using Electronic control speed change.As shown in figure 11, a motor mount 56, the electricity are also fixed with the present embodiment in mounting seat
Machine mounting seat 56 is installed endoporus 561 by motor mount and is sleeved on the installation positioning section 412 of mounting seat 41, is installed in motor
Seat installs motor mount spacing preiection 5611 of the inner ring provided with arc of endoporus 561, using circumferentially fixed with pawl base identical
Position mode is sleeved in mounting seat, and motor installing hole 562 is provided with motor mount 56, and motor 57 is fixedly mounted on motor peace
Fill on seat 56, its motor output shaft connects a driving gear 55, driving gear 55 and control ring 52 through motor installing hole 562
The driven gear teeth 522 set on excircle are engaged, and drive the positive and negative rotation of control ring 52.It is additionally provided with the rotation outer ring of control ring 52
The positioning convex 523 coordinated with position sensor, the position sensor passes through signal feedback link, feedback control electricity with motor
The rotational angle of machine is matched with the gear rotational angle of control ring 52, realizes precise positioning of the control ring to gear.Particularly with regard to
Position sensor feedback controlled motor belongs to conventional automatic control technology, and the present embodiment does not enter to its concrete operating principle herein
Row is repeated.
The present embodiment describes three fast transmission mechanisms of three gears, but claims of the present utility model
It is not limited only to three fast transmission mechanisms.The power transmission route of the present embodiment is as follows：Power is transferred to axle portion part by power intake
1, axle portion part 1 by input adapter 11 drive the synchronous rotary of planet carrier 21, rotary power can directly be exported by planet carrier or
After person is by planetary gear train gear, exported by ring gear 22 to wheel hub 3.
Three gear drive paths of described further below implementation：
First gear：First centre wheel 24a and the second centre wheel 24b is in certainly by speed changing control mechanism by control ring 52
By rotary state, now planetary gear and centre wheel do not transmit power, and now axle portion part 1 drives planet carrier by inputting adapter 11
21 rotations, planet carrier 21 directly drives ring gear 22 to rotate by the second one-way clutch 26, and ring gear 22 is unidirectional by first
Clutch 25 drives wheel hub 3 to rotate, and the gear is direct gear；
Second gear：Speed changing control mechanism is fixed the first centre wheel 24a by control ring 52, and axle portion part 1 passes through input
Adapter 11 drives planet carrier 21 to rotate, the centre wheel 24a of double-planetary gear 23 and first transmissions, drives ring gear 22 to pass through first
One-way clutch 25 exports power to wheel hub 3, and according to planetary gear train principle, the rotating speed of ring gear 22 is higher than planet carrier 21, and second is single
It is exceeded to clutch 26, ring gear does not influence planet carrier to rotate, the gear keeps off for the first speedup；
Third gear position：Speed changing control mechanism is fixed the second centre wheel 24b by control ring 52, and axle portion part 1 passes through input
Adapter 11 drives planet carrier 21 to rotate, the centre wheel 24b of double-planetary gear 23 and second transmissions, drives ring gear 22 to pass through first
One-way clutch 25 exports power to wheel hub 3, and according to planetary gear train principle, the rotating speed of ring gear 22 is higher than planet carrier 21, and second is single
It is exceeded to clutch 26, ring gear does not influence planet carrier to rotate, the gear keeps off for the second speedup, the transmission speed of the second speedup gear
Than higher than the first speedup gear.
Referring to Figure 12, the hub unit in this implementation can also set lockable mechanism 6 in hub interior, and lockable mechanism 6 can join
Examine the utility model application file of Application No. 2016111109204 filed in the 6 days December in 2016 of the applicant, locking machine
Structure 6 includes the first latch fitting 61, the second latch fitting 62, switch member 63 and lock ring 64, and wherein lock ring 64 is used as rotary output member and wheel hub 3
Inwall fix inlay, lock ring 64 is rotated together with wheel hub 3, on the rotation round of lock ring 64 be provided with some locked grooves 641；First
The latch fitting 62 of latch fitting 61 and second distinguishes elastic hinge joint in two pin joints, and the first latch fitting 61, which is provided with, can be embedded in the lock in locked groove
Block, the second latch fitting 62 is mutually abutted with the first latch fitting 61 in another position where two pin joints outside straight line, by the first latch fitting
In closing piece insertion locked groove 641 on 61；Switch member 63 is connected with locking control system, thereon with stirring the second latch fitting 62 successively
With the first unlocking structure and the second unlocking structure of the first latch fitting 61.
The inwall of the annular revolving structure of the use of lock ring 64 one, its circumference and wheel hub 3 inlays connected, can be using spline connection etc.
Circumferential positioning structure is assemblied in the inwall of wheel hub 3, is together rotated with wheel hub 3.Some locked grooves 641, locked groove 641 are provided with lock ring 64
On the rotation round for being distributed in lock ring 64, including it may be provided at the excircle of the rotary output member of loop configuration, on inner periphery, should
Locked groove 641 is used to coordinate with the stable locking structure that the first latch fitting 61 and the second latch fitting 62 are constituted, by lock ring 64 together with wheel hub one
With locking.
First latch fitting 61 and the second latch fitting 62 are two swing rod components, and the swing point of two latch fittings distinguishes elastic hinge joint two
Individual pin joint, the pin joint position in the first latch fitting or the second latch fitting that elastic hinge joint refers to sets torsion spring or extension spring, passes through
The elastic force of spring makes two latch fittings rotating around the flexible screen resilience of pin joint.First latch fitting 61 is provided with embedded locked groove 641
Closing piece, while the second latch fitting 62 is mutually abutted with the first latch fitting 61 in another position where two pin joints outside straight line, first
During the closing piece insertion locked groove of latch fitting 61, the second latch fitting 62 is fixed with the first latch fitting 61 in the presence of its elastic recoil power and abutted,
That is the first latch fitting 61, two of the second latch fitting 62 triangle, the He of the first latch fitting 61 can be formed between pin joint and abutment
By gusseted between second latch fitting 62, the closing piece on the first latch fitting 61 is reliably embedded in locked groove 641, realized to lock ring
64 secure ratcs.
Effective abutting is realized by mutually chimeric structure between first latch fitting 61 and the second latch fitting 62, in the first latch fitting 61
Abutted position be provided with angle of lock, the abutted position of the second latch fitting 62 is provided with locking bayonet socket, and angle of lock is with locking bayonet socket at two
Latch fitting is reliably fitted and fixed with when abutting, and the angle and opening direction of angle of lock and locking bayonet socket should be guaranteed that in the first latch fitting and the
During two latch fitting backswings, can smoothly it depart from.The position relationship of angle of lock and locking bayonet socket can be exchanged between two latch fittings.
The unblock of first latch fitting 61 and the second latch fitting 62 is realized by switch member 63.Switch member 63 is similarly a swing rod structure
Part, its one end is hinged setting, provided with the unblock knot for stirring the second latch fitting 62 and the first latch fitting 61 successively on non-articulated point position
Structure, by first reversely pushing the second latch fitting 62 aside, releases the second latch fitting to the position constraint of the first latch fitting, and the is then stirred again
One latch fitting 61, the closing piece on the first latch fitting 61 is deviate from from the locked groove 641 on lock ring 64, completes unblock.
Specifically, the first latch fitting 61, the second latch fitting 62 and switch member 63 are tabular plate, the first latch fitting in the present embodiment
61 and second abut locking, the planar cloth that switch member 63 is then abutted parallel to two latch fittings between latch fitting 62 in the same plane
Put.The first solution lock seaming that the second latch fitting 62 is stirred on unlocking direction is respectively equipped with switch member 63 and the first latch fitting 61 is stirred
Second solution closing piece, it is corresponding on the second latch fitting 62 be provided with first solution lock seaming contact first solve closing piece, in the first latch fitting
61, which are provided with the second solution contacted with the second solution closing piece, lockstitches a border.In practical application, the position relationship that solution closing piece conciliates lock seaming can be
Exchange for two and set between latch fitting and switch member, the table plane that two closing pieces protrude plate is set, corresponding solution lock seaming is promoted
Solution closing piece or solution closing piece promote solution to lockstitch a border and realize the swing of latch fitting.
After the first latch fitting 61 and the second latch fitting 62 complete unblock, switch member 63 can be carried out to the released state of two latch fittings
Keep, it is preferred that the present embodiment is additionally provided with the hook structure acted in collusion as solution between the first latch fitting 61 and the second latch fitting 62
Holding structure is locked, the first unblock retaining hook being arranged on the first latch fitting 61 and be arranged on the second latch fitting 62 the is specifically included
Two unblock retaining hooks.After the first latch fitting 61 is pushed to released state by the second solution closing piece of switch member 63, the second latch fitting 62
First solution closing piece is separated with the first solution lock seaming of switch member 63, and the backswing under the effect of natural resiliency screen resilience of the second latch fitting 62 is certain
Angle, now hook connects between the first unblock retaining hook in the second unblock retaining hook and the first latch fitting 61 on the second latch fitting 62
Connect, now the second latch fitting 62 is constrained the formation of the first latch fitting 61 again, prevents the backswing of the first latch fitting 61.Unlock setting for holding structure
Putting can avoid in the case where the locking control system that switch member 63 is connected breaks down, and the backswing of the first latch fitting 61 causes false-lock
Only.
Solution hook structure is additionally provided with switch member 63, under separated released state between the first latch fitting 61 and the second latch fitting 62
The hook structure of hook even, realizes and the locking of lockable mechanism is operated.Specifically, setting another section of side in switch member 63 as solution
Crochet, solution crochet with first solution lock seaming effect it is similar, from another direction promote the second latch fitting 62 on first solve closing piece (if
Solution lock seaming is provided that on second latch fitting 62, then the solution hooked scarf of protrusion is set in switch member), release the second latch fitting 62 and pass through hook knot
Constraint of the structure to the first latch fitting 61, now the first backswing in the presence of natural resiliency screen resilience of latch fitting 61, until the second latch fitting
62 closing piece is embedded in the locked groove 641 of lock ring 64 again, after switch member sustained oscillation, the first solution of solution crochet and the second latch fitting 62
Closing piece is separated, and now the second latch fitting 62 is in natural resiliency screen resilience, by the angle of lock of locking bayonet socket again with the first latch fitting 61
It is chimeric to abut, complete locking action.
The present embodiment is by the closing piece contact edge of the closing piece both sides of the first latch fitting 61 and the locked groove of the both sides of locked groove 641 of lock ring 64
Be arranged between contact surface wedge surface contact, the contact position of closing piece and locked groove can be processed into inclined-plane or hypotenuse or
Setting angle between closing piece and locked groove makes to contact in wedge surface between the two, in the case of no second latch fitting 62 constraint, nothing
Rotated by lock ring 64 from which direction, locked groove contact surface by the wedge surface coordinate by closing piece together with the first latch fitting 61 from locked groove
Release, and after the second latch fitting 62 is constrained the formation of the first latch fitting 61 by gusseted, then reliably can be limited to closing piece
In locked groove, rotary output member realizes positive and negative both direction locking.Accordingly, in releasing process, such as closing piece of the first latch fitting 61
When being not completely embedded into locked groove 641, the second latch fitting 62 sets continuous holding side in the side of locking bayonet socket, enters in closing piece from just
Enter locked groove to during the extreme position completely into locked groove, the angle of lock of the first latch fitting 61 all the time with the company on the second latch fitting 62
Side slide lines are held in continuation of insurance.
The purpose of above-mentioned setting be in order to ensure the cycle wheel of the present embodiment high-speed rotation (such as in riding) by mistake
Operation, during wheel high-speed rotation, drives the high-speed rotation of lock ring 64, now controls lockable mechanism to carry out locking operation,
, can be by the locked groove that rotates repeatedly by closing piece together with the after the closing piece of first latch fitting 61 is in the locked groove 641 that part enters lock ring 64
One latch fitting is released, now the angle of lock of the first latch fitting 61 past polyslip, the second latch fitting on the continuous holding side of the second latch fitting 62
62 can't form effective constraint to the first latch fitting 61, and now lockable mechanism can send continuous ticking strike note (locked groove is anti-
Closing piece is released again) remind bicyclist to occur in that false-lock is operated, and can be that wheel brings drag braking to rotary output member.It is such
Setting does not result in lockable mechanism or hub interior structure is damaged because of high speed locking, is prevented effectively from ride because of false-lock
There is contingency.
Switch member 63 in the present embodiment can with the first latch fitting 61 is coaxial is hinged, switch member 63 connects with locking control system
Connect, locking control system can realize manual control using control manually by the wire drawing system on bicycle, also can be using electricity
Dynamic control, drives switch member 63 to swing by motor 66.
Motor 66 can be directly with switch member 63 swinging axle dock, by motor positive and inverse drive switch member reciprocally swinging,
Also can as shown in this embodiment, the output end connection one of motor 66 rotates sets not rounded in control block 65, rotation control block 65
Motor shaft mounting hole, is connected with the output shaft of motor 66, and driving rotation control block 65 does gyration, in rotation control block 65
The second control steel wire connecting hole provided circumferentially about is turned round, is fixedly connected with one end of steel wire 67, in the non-articulated point of switch member 63
Set first to control steel wire connecting hole, be fixedly connected with the other end of steel wire 67.Rotation control block 65 turns an angle, then leads to
The swing that steel wire 67 drives switch member 63 to realize certain angle is crossed, the rotating of locking motor is controlled, then controllable switch part 63
Swaying direction.
Steel wire 67 should have enough rigidity, can pull and be swung with pull switch part 63.
Signal transmission module is can be set in motor 66, and the automatic control to motor is realized by wire signal or wireless signal
System, can be configured as mobile phone A PP control models, it is adaptable to the automatic lending of network public bicycles.On passing through wire signal
Or wireless signal controlled motor is conventional electric machines control technology, those skilled in the art can carry out selection according to the actual requirements and set
Meter, the present embodiment will not be described here.
Machinery is set in the present embodiment on the locked groove 641, the closing piece of the first latch fitting 61 and the second latch fitting 62 of lock ring 64
The anti-misoperation structure of formula, on the basis of using the operation of Electronic control locking, the present embodiment also takes automatic defect preventing operation
Set.
Specifically, the locking control system of the present embodiment also includes speed probe, speed probe passes through with motor
Signal is connected, and the speed probe in the present embodiment realizes that rotating speed is determined using Hall sensor, in lock ring 64 or its connection
The rotation round of revolving part a magnet steel is fixedly installed, set Hall sensor is fixed by sensor installation seat towards magnet steel
Put, the revolving part rotation of lock ring 64 or its connection one week, then Hall sensor receives a signal, and meter rotates one and enclosed, and then
Rotating speed now is calculated, while rotating speed is protected in setting one in system, when the rotating speed that Hall sensor is detected exceedes protection
During rotating speed, the passage that motor is contacted with external signal is disconnected, motor does not perform any operation, or keeps control signal, works as speed
Operation command during less than protection rotating speed, when the rotating speed that Hall sensor is detected is less than protection rotating speed, motor can basis
External signal carries out corresponding locking action.So maloperation can be effectively prevented in terms of electronics and machinery two, improve lock
Only reliability of structure and security.
Speed probe is alternatively arranged as the vehicle-speed monitoring module of bicycle, is shown and ridden by mobile display module real-time reception
Scanning frequency degree.
In the present embodiment in hub unit, lock ring 64 is fixedly connected with the inwall of wheel hub 3 of cycle wheel, the first latch fitting
61st, the second latch fitting 62, switch member 63, motor 66 are arranged on same latch fitting installing plate 68, latch fitting installing plate 68 then with it is corresponding
The mounting seat 41 of hub unit is fixedly connected, and whole lockable mechanism is encapsulated in the hub shell of bicycle.
The lockable mechanism course of work of the present embodiment is as follows.
In a latched condition, now bicycle stops, and vehicle wheel rotational speed is zero, and the forward and reverse direction of lock ring 64 is not rotated, the
Closing piece is embedded in the locked groove 641 of lock ring 64 by one latch fitting 61 under the screen resilience effect of the first torsion spring, while the second latch fitting 62 exists
The screen resilience effect of second torsion spring is lower to abut with the first latch fitting 61, and the angle of lock and locking bayonet socket at mutual abutting fix chimeric,
Make to form stable triangular support configurations between the first latch fitting 61 and the second latch fitting 62, to lock ring 64 and its hub for vehicle wheel of connection
Locking is formed, the formation constraint of the second 62 pair first of latch fitting latch fitting 61 prevents the closing piece of the first latch fitting 61 from deviating from from locked groove 641.
During unblock, switch member 63 is put counterclockwise under locking control system (motor and control steel wire of the present embodiment) driving
Dynamic, the first solution lock seaming in switch member 63 is contacted with the first solution closing piece on the second latch fitting 62 first, as switch member 63 continues
Swing, the first solution lock seaming promotes first to solve closing piece, the second latch fitting 62 is overcome own resilience counter-clockwise swing；Swinging to one
Determine after angle, chimeric locking bayonet socket and angle of lock separation are abutted between the second latch fitting 62 and the first latch fitting 61, now switch member
The second solution closing piece that 63 tops are set is contacted with the second solution lock seaming of the top of the first latch fitting 61, is swung with the continuation of switch member,
Second solution closing piece promotes the second solution lock seaming, overcomes the own resilience counter-clockwise swing of the first latch fitting 61, makes the lock of the first latch fitting 61
Block is deviate from from locked groove 641, realizes unblock.
After the closing piece of the first latch fitting 61 is deviate from from locked groove 641 completely, the first solution closing piece of the second latch fitting 62 loses out
The constraint resilience of part 63 is closed, the second unblock retaining hook set thereon and the first unblock retaining hook clasp joint on the first latch fitting 61,
Now, the second latch fitting 62 sets up a constraint to the first latch fitting 61 again, prevents the first latch fitting 61 in the effect of own resilience
It is lower to miss closing piece in embedded locked groove.Simultaneous Switching part can in the presence of locking control system holding position.
Released by released state, during by lockable mechanism again locking, switch member 63 is suitable under the driving of locking control system
Pointer backswing, now, the solution crochet that the top of switch member 63 is set are contacted with the first other direction for solving closing piece of the second latch fitting 62,
With the lasting backswing of switch member 63, solution crochet promotes first to solve closing piece, overcomes the own resilience of the second latch fitting 62 to put counterclockwise
It is dynamic, by the second unblock retaining hook of hook between the second latch fitting 62 and the first latch fitting 61 and the first unblock retaining hook separation, separation
Afterwards, the second latch fitting 62 eliminates the constraint to the first latch fitting 61, the first latch fitting 61 on own resilience and switch member 63
It is embedded in again to the locked groove 641 on lock ring 64 under two solution closing piece return effects.
Such as during locking, cycle wheel is in high-speed rotation state (maloperation locking in ride), the
When the closing piece of one latch fitting 61 has just initially entered the locked groove 641 of lock ring 64, the locked groove contact surface of the both sides of locked groove 641 and the closing piece of closing piece
Contact edge coordinates for wedge surface, while the angle of lock of the first latch fitting 61 is contacted with the holding side of the second latch fitting 62, it is now defeated in rotation
During going out part high-speed rotation, the second latch fitting 62 has little time to set up effective constraint, locked groove 641 and closing piece to the first latch fitting 61
Between wedge surface closing piece is back and forth released into the locked groove that closing piece enters together with the first latch fitting 61 with credit union, while the lock of the first latch fitting 61
Holding side of the angle till then with the second latch fitting 62 slidably reciprocates, it is ensured that bicycle can not secure ratcs in ride.In car
After wheel stops operating, lock ring 64 stops operating, and now the closing piece on the first latch fitting 61 can be entirely embedded therein a locked groove 641,
Locking bayonet socket now on the second latch fitting 62 is chimeric with the angle of lock on the first latch fitting 61, completes secure ratcs.
In above-mentioned control flow, rotating speed is protected in setting one, and when bicycle is less than the protection rotating speed, motor can be controlled
Lockable mechanism is unlocked or locking, and when bicycle is higher than the protection rotating speed, cut-out motor receives control signal, lockable mechanism
In failure state.Realize that stopping operation to false-lock in terms of mechanical mechanism and automatic control control two protects.In the wheel hub
The locking motor of one rotation speed monitoring module of portion's setting, the rotation speed monitoring module and lockable mechanism passes through signal feedback link, tool
How body is on to be conventional automatic control technology by rotating speed controlled motor, and the present embodiment does not enter to its concrete operating principle herein
Row is repeated.
In actual applications, the driving electricity of direct drive hub rotation also can be set inside the hub unit of the present embodiment
Machine, realizes application of the hub unit on electric assisted bicycle.
Above example is, to explanation of the present utility model, not to limit of the present utility model, the technology people of the industry
Member is it should be appreciated that the utility model is not restricted to the described embodiments, and described in above-described embodiment and specification is explanation
Concrete operating principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model can also
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed the utility model, the utility model will
Protection domain is sought by appended claims and its equivalent thereof.
Claims (10)
1. a kind of gearing actuator for single-arm bicycle frame, using Planetary Gear Transmission, including axle portion part, planetary gear train,
Characterized in that,
Described axle portion part one end is assemblied on the fixed mount being fixedly connected with single-arm bicycle frame, and is passed with the power intake on vehicle frame
Rotating dress is matched somebody with somebody between dynamic connection, the wheel hub of fixed mount and the single-arm bicycle frame connection, the axle portion part respectively with fixed mount, wheel hub
Between rotating dress match somebody with somebody；
The other end of the axle portion part with planetary gear train input by inputting adapter, circumferentially assemble by transmission；
The planetary gear train is assemblied in the space that fixed mount and wheel hub are constituted, and list is passed through between planetary gear train output end and wheel hub
Match somebody with somebody to clutch device, the centre wheel of the planetary gear train is provided with the controllable ratchet that locking centre wheel is rotated.
2. a kind of gearing actuator for single-arm bicycle frame according to claim 1, the fixed mount is by installing
Seat is assembled with planetary gear train, wheel hub respectively；
The mounting seat end face is fixedly connected with fixed mount, and the other end has the cylinder construction section of protrusion, cylinder construction section
Outer ring is assembled with planetary gear train and wheel hub respectively, and the wheel hub end face is matched somebody with somebody by spiral cover with mounting seat rotating dress, cylinder construction section
Inner ring match somebody with somebody with axle portion part rotating dress.
3. a kind of gearing actuator for single-arm bicycle frame according to claim 2, the ratchet of the planetary gear train
It is assemblied in by pawl base in mounting seat, the pawl base is circumferentially positioned to be set in mounting seat, and the ratchet passes through ratchet bullet
Spring is rotatably mounted in the ratchet mounting groove of pawl base outer ring, and it is state of upspringing to keep ratchet；
The centre wheel rotation of the planetary gear train is set on pawl base, and the inner ring of the centre wheel is provided with the spine with the state of upspringing
The chimeric spine groove of pawl.
4. also rotated on a kind of gearing actuator for single-arm bicycle frame according to claim 3, the pawl base
Control ring is arranged with, ratchet control of the mounting hole inner ring provided with compacting ratchet and ratchet of upspringing of the control ring is raised, described
Control ring is connected by transmission component with speed changing control mechanism；The speed changing control mechanism is the motor for being arranged on hub interior,
Circumferentially positioned in the mounting seat to be equipped with motor mount, the motor is fixedly mounted on motor mount, the motor
Output shaft connect a driving gear, the driven gear teeth meshing that the driving gear and control ring outer ring are set.
5. a kind of gearing actuator for single-arm bicycle frame according to claim 4, the planetary gear train is using double
Join planetary gear, include two groups of centre wheels and two groups of ratchets, the control ring is arranged on the side of planetary gear train, and ratchet is using length
Bar structure, control ring one end is extended to from the ratchet mounting groove on pawl base, is set in the controlled centre wheel position of ratchet correspondence
Ratchet part is put, corresponding another centre wheel position sets empty avoiding section, and the end of the ratchet is unified to set control raised, while real
Most one are state of upspringing in existing two groups of ratchets.
6. a kind of gearing actuator for single-arm bicycle frame according to claim 5, the planetary gear train input
For planet carrier, the input adapter and the rotation round that planet carrier is connected are recessed provided with mutually chimeric transmission projection and transmission
Also realize that axially position is assembled by axially position part between groove, the input adapter and planet carrier after being fitted together to.
7. a kind of gearing actuator for single-arm bicycle frame according to claim 6, the planetary gear train output end
Including external toothing and planet carrier, the external toothing is assembled by the first one-way clutch and wheel hub, and the planet carrier passes through second
One-way clutch is assembled with wheel hub.
8. a kind of gearing actuator for single-arm bicycle frame according to claim 6, the planetary gear train output end
Including external toothing and planet carrier, the external toothing is assembled by the first one-way clutch and wheel hub, and the planet carrier passes through second
One-way clutch is assembled with ring gear.
9. a kind of hub unit, it is characterised in that using the variable transmission mechanism in claim 1-8, the wheel hub outer rim is led to
Cross spoke to be fixedly mounted with tire, the lockable mechanism for wheel hub is additionally provided with inside the hub unit, the hub interior is also
Provided with rotation speed monitoring module, the locking motor of the rotation speed monitoring module and lockable mechanism passes through signal feedback link.
10. a kind of hub unit according to claim 9, the hub interior is additionally provided with the driving electricity of drive hub rotation
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179936.4U CN206600425U (en) | 2017-02-27 | 2017-02-27 | A kind of gearing actuator and its hub unit of application for single-arm bicycle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179936.4U CN206600425U (en) | 2017-02-27 | 2017-02-27 | A kind of gearing actuator and its hub unit of application for single-arm bicycle frame |
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| Publication Number | Publication Date |
|---|---|
| CN206600425U true CN206600425U (en) | 2017-10-31 |
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ID=60146831
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720179936.4U Active CN206600425U (en) | 2017-02-27 | 2017-02-27 | A kind of gearing actuator and its hub unit of application for single-arm bicycle frame |
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| CN (1) | CN206600425U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103459A1 (en) * | 2016-12-06 | 2018-06-14 | 李激初 | Rotating locking mechanism and vehicle lock employing same, and locking control method |
| CN108506432A (en) * | 2017-02-27 | 2018-09-07 | 李激初 | For the gearing actuator of single-arm bicycle frame and its hub unit of application |
-
2017
- 2017-02-27 CN CN201720179936.4U patent/CN206600425U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103459A1 (en) * | 2016-12-06 | 2018-06-14 | 李激初 | Rotating locking mechanism and vehicle lock employing same, and locking control method |
| CN108506432A (en) * | 2017-02-27 | 2018-09-07 | 李激初 | For the gearing actuator of single-arm bicycle frame and its hub unit of application |
| CN108506432B (en) * | 2017-02-27 | 2024-04-09 | 李激初 | Transmission mechanism for single-arm frame and hub assembly applied to transmission mechanism |
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Effective date of registration: 20201026 Address after: Room 301, third floor, building 72, Lihe science and technology industry center accelerator project, No. 33, information Avenue South, Shishan town, Nanhai District, Foshan City, Guangdong Province 528000 Patentee after: GUANGDONG LOFANDI INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 410016 Hunan province Changsha Yuhua District, Jinxia district city Kang Xin Yuan building 1205 room 2 Patentee before: Li Jichu |