CN110254581A - Rideable electric travelling case - Google Patents
Rideable electric travelling case Download PDFInfo
- Publication number
- CN110254581A CN110254581A CN201910538461.7A CN201910538461A CN110254581A CN 110254581 A CN110254581 A CN 110254581A CN 201910538461 A CN201910538461 A CN 201910538461A CN 110254581 A CN110254581 A CN 110254581A
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- China
- Prior art keywords
- swing arm
- bracing wire
- pedal
- front fork
- cabinet
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/04—Trunks; Travelling baskets
- A45C5/045—Travelling baskets
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/14—Rigid or semi-rigid luggage with built-in rolling means
- A45C5/141—Rigid or semi-rigid luggage with built-in rolling means the rolling means being formed by the trunk itself
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
- B62K15/008—Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes
Abstract
The present invention relates to electric travelling cases, especially a kind of rideable electric travelling case, it is small that there are available spaces in order to solve existing electric travelling case, the problem of being easy rollover and poor user experience is turned to when driving, a kind of rideable electric travelling case is provided, cabinet including riding seat for user, the front wheels and rear wheels that supporting box is advanced, front-wheel is mounted on front fork unit, oscillating arm mechanisms are installed on the cabinet, front fork unit is mounted in oscillating arm mechanisms, oscillating arm mechanisms carry out rotary folding under the driving of driver, it will be positioned at the front fork unit rotary folding of cabinet direction of travel to the side of cabinet, the present invention has stable, cross feature curved steady and that manipulation is comfortable.
Description
Technical field
The present invention relates to electric travelling case, especially a kind of rideable electric travelling case.
Background technique
Existing China Patent No. is CN 208550268U, discloses a kind of electric travelling case, there are three for the electric travelling case
A problem:
1, handlebar is telescopic, and sleeve is increased in cabinet in order to realize to stretch, and causes occupancy box volume excessive,
To which user can place the reduced space of article.
2, rear-wheel uses two, but the thickness of cabinet is too small, i.e., the distance between axles between two-wheeled is too short, in straight line walking
It is less problematic, but rollover is easy when turning is especially taken a sudden turn.
3, pedal is mounted on front fork, and front fork drives pedal to rotate together when steering, can be gone out when stepping down in above for foot
Turning now to difficult or user must lift foot once when turning to, poor user experience.
Briefly it is exactly that there are available spaces is small for existing electric travelling case, turns to be easy rollover and user experience when driving
The problem of difference.
Summary of the invention
The technical problem to be solved by the present invention is that there are available spaces in order to solve existing electric travelling case is small, when driving
The problem of being easy rollover and poor user experience is turned to, a kind of rideable electric travelling case is provided.
The technical solution adopted by the present invention to solve the technical problems is: a kind of rideable electric travelling case, including for
The front wheels and rear wheels that user rides the cabinet of seat, supporting box is advanced, front-wheel are mounted on front fork unit, install on the cabinet
There are oscillating arm mechanisms, front fork unit is mounted in oscillating arm mechanisms, and oscillating arm mechanisms carry out rotary folding under the driving of driver, by position
In cabinet direction of travel front fork unit rotary folding to the side of cabinet.
In order to facilitate use, the oscillating arm mechanisms are mentioned while carrying out spinning movement under the driving of driver
Movement is risen, so that front-wheel is lifted away from ground while by the side of front fork unit rotary folding to cabinet.
Further, the oscillating arm mechanisms include swing arm, turning gear and driver, and driver is motor, and swing arm is logical
Turning gear is crossed to be mounted on cabinet, driver driving swing arm rotate shaft device shaft rotation, on turning gear have spiral shell
Guiding mechanism is revolved, for making swing arm screw lifting under the guiding of spirally-guided mechanism.
Further, the turning gear specifically includes shell and carries out the shaft for being installed as swing arm by shell
Screw rod, swing arm cooperated by screw structure and screw rod, and driver drives screw rod rotation, there is spirally-guided mechanism on shell,
Swing arm screw lifting under the driving of screw rod and under the guiding role of spirally-guided mechanism.
Preferably, the turning gear further includes pressure-resistant rubber, pressure-resistant rubber is set in the upper and lower ends of screw rod,
For constraining the upward stroke and descending stroke of swing arm.
In order to facilitate the steering of vehicle handrail, the top of the front fork unit has vehicle handrail, and vehicle handrail passes through telescopic
The connection of the lower part of Tiebar structure and front fork unit, telescopic Tiebar structure includes upper connecting rod and lower pull rod, and vehicle handrail is fixed on
On upper connecting rod, the lower part of lower pull rod connection front fork unit is penetrated in lower pull rod to upper connecting rod Telescopic rotary, the upper end of lower pull rod
With fluting, hoop has yoke configurations on position of slotting, and locks the telescopic location of lower pull rod and upper connecting rod, the upper connecting rod is under
There is rotary locking structure, rotary locking structure includes upper fastener, lower fastener, spring, spring limiting part and upper gear between pull rod
Part, upper fastener, lower fastener, spring and spring limiting part are from top to bottom covered in the lower end of upper connecting rod, wherein upper fastener, spring retainer
Part is fixedly connected with upper connecting rod, lower fastener and the lower non-rotatable cooperation of pull rod, is had on the adjacent face of upper fastener and lower fastener
The plush copper and groove of mating engagement carry out rotation lock to upper connecting rod when for being in riding condition after 90 degree of vehicle handrail rotations
Fixed, spring acts on lower fastener, and lower fastener is pushed to compress upper fastener, and upper block piece covers on upper fastener, and lower fastener is outer
Profile is greater than the inner hole of upper block piece, has the position limiting structure for stopping upper block piece abjection in the upper section of the rod aperture of lower fastener.
In order to facilitate user's leg rest, it being provided with pedal structure in the swing arm, pedal structure includes pedal and unlock rod,
Pedal is hinged at left and right sides of swing arm, and pedal through pedal dynamic clamping head and quiet clamping head rotary folding at left and right sides of swing arm, pacify by unlock rod
In swing arm inner cavity, the front end of unlock rod has locking frid, and the left and right sides for locking frid has lock slots, and unlock rod is logical
It crosses return springs placed in the middle and carries out center ofthe reset, swing arm is stretched out in the rear end of unlock rod, and unlock rod passes through unlock Flexible Reset
Part maintains stretching state, rotates in swing arm to opening state, the rear end of unlock rod is pushed forward by cabinet, and unlock rod overcomes unlock
The elastic reaction of Flexible Reset drives locking frid to move forward to latched position, and the inner end of the pedal of swing arm side passes through promotion
The mode that locking frid overcomes the elastic reaction of return springs placed in the middle to be biased to opposite side is embedded in the lock slots for locking frid, real
Now to the locking of pedal, in swing arm rotary folding, the rear end of unlock rod is detached from the effect of cabinet, and unlock return springs push
Unlock rod, which resets, to be stretched out, and locking frid moves back, and releases the locking effect to the inner end of pedal.
Further, the unlock return springs are helical spring, and positioned at the front of locking frid, described is placed in the middle
Return springs include the arched elastic component at left and right sides of casing and casing, and return springs placed in the middle are being unlocked by covering pipe sleeve
On bar, the left and right sides of swing arm inner cavity is acted at the top of arched elastic component；There is pedal slot, the swing arm is left in swing arm
The pedal of right two sides is all configured with secondary pedal and connecting rod, collectively forms pedal frame, and the inner end of secondary pedal is hinged in swing arm, even
The both ends of bar and the outer end of secondary pedal and matched pedal are articulated and connected, and pedal frame and swing arm form parallel―ordinal shift machine
Structure makes the pedal frame rotatable folding state of being in line enter pedal slot, and swing arm is L-shaped swing arm, including long vertical section and short
Vertical section, rear end and the screw rod of short vertical section are equipped with, and the front end of long vertical section is connected with front fork unit, pedal structure setting
In long vertical section, the rear end of unlock rod is pierced by from the rear end of long vertical section.
For positive lock front fork unit, the side of the cabinet has front fork embedded groove, in entering for front fork embedded groove
Mouth two sides are provided with the lock tongue of elastic telescopic installation, and two lock tongues pairings, which are arranged and from top to bottom extend, blocks front fork embedded groove
Entrance, two lock tongue opposed swing arms are positioned above, and the front of lock tongue is introversion inclined-plane, for making front fork unit that can pass through inclination
Face pushes lock tongue open and enters front fork embedded groove, and the upper section at the back side of lock tongue is flat face, before lockking insertion front fork embedded groove
Fork device, the lower section at the back side of lock tongue are flare face, can be by this for the front fork unit when swing arm drives and puts outside front fork unit
Push lock tongue open from the bottom to top in flare face.
Preferably, the upper section of the side of the lock tongue is vertical plane, lower section is inclined-plane, for closing in two lock tongues
The gap being from top to bottom gradually expanded is formed when conjunction in the lower section of lock tongue, is led between the upper section and lower section at the back side of the lock tongue
Cross chamfered transition, the specific structure of the lock tongue elastic telescopic installation are as follows: pacify with lock tongue the entrance two sides of front fork embedded groove
Tankage, lock tongue are mounted in the mounting groove, have latch bolt spring in mounting groove, for pushing lock tongue elastic telescopic.
Further, the turning gear of the oscillating arm mechanisms further includes bracing wire power nut and straight-line guidance structure, is drawn
Line power nut is set on screw rod, and bracing wire power nut carries out straight under the driving of screw rod and under the guiding of straight-line guidance structure
Line is mobile, and bracing wire power nut is connect with bracing wire, passes through the outside output power of bracing wire.
Specifically, the straight-line guidance structure is specially the card slot being arranged on the inner wall of shell, bracing wire power nut
The protrusion of upper specific insertion card slot, the bracing wire power nut are arranged close to swing arm, bracing wire power nut and swing arm it
Between elastic rubber is set, elastic rubber is set on screw rod.
In order to facilitate manipulation, the rear-wheel of the bottom of the cabinet include pulley and after ride wheel, after wheel of riding be mounted on
Carry out folding and unfolding on rear-wheel draw off gear, after opening after ride wheel and cabinet pulley is lifted away from ground together by front-wheel.
Draw off gear is taken turns by being rotated by horizontal collapsed state to vertical opening state preferably, riding after described
Mode folding and unfolding after ride wheel, after ride and take turns draw off gear Unscrew and under the action of reset tension spring under the action of bracing wire
Spinning reduction, bracing wire provide power by oscillating arm mechanisms.
Specifically, riding after described, to take turns draw off gear include rear wheel support, bracing wire and reset tension spring, after ride wheel installation
On rear wheel support, rear wheel support is rotatably installed on cabinet by shaft, and rear wheel support is under the action of bracing wire by water
Flat collapsed state is rotated to vertical opening state, and spinning reduction under the action of reset tension spring.
Alternatively, the rear-wheel draw off gear includes rear wheel support, bracing wire, reset tension spring and drive linkage arrangement, after ride
Row wheel is mounted on rear wheel support, and rear wheel support is rotatably installed on cabinet by shaft, and bracing wire is driven by drive link
Dynamic rear wheel support is rotated by horizontal collapsed state to vertical opening state, and reset tension spring acts on rear wheel support or drive link
Upper spinning reduction rear wheel support, drive linkage arrangement include rocking bar and connecting rod, and one end of rocking bar is hinged on cabinet, rocking bar it is another
One end and one end of connecting rod are hinged, and the other end and rear wheel support of connecting rod are hinged, and rocking bar, connecting rod and rear wheel support constitute rocking bar machine
Structure, the one or both sides of rocking bar have the driving end stretched out, and bracing wire and reset tension spring are respectively acting on driving end, drive rocker
It swinging, the rotation of the wobble drive rear wheel support of rocking bar is packed up and is opened, when bracing wire driving rear wheel support is opened to vertical state,
The collinear position that rocking bar is limited part limit and rocking bar and connecting rod both are crossed, for forming stuck effect to rear wheel support.
Further, the quantity of wheel of riding after described is one, and rear-wheel draw off gear is received by way of left rotation and right rotation
It rides after putting wheel, the two sides of rocking bar have the driving end stretched out, and bracing wire and reset tension spring are separately connected two driving ends of rocking bar,
Bracing wire drives rear wheel support to open vertically by way of pulling up driving end；Ride after alternatively, wheel quantity be two, point
Not Wei Yu cabinet two sides, rear-wheel draw off gear is ridden after folding and unfolding wheel by way of rotating to box inside direction, after two
It is identical to take turns draw off gear structure, and is symmetrical arranged, rocking bar has the driving end stretched out inwardly, bracing wire and reset tension spring effect
At driving end, bracing wire drives rear wheel support to open vertically by way of pulling up driving end.
The invention has the advantages that rideable electric travelling case of the invention, swing arm expansion becomes available for what people rode
Suitcase, swing arm use L-type, are fitting cabinet exterior when swing arm is collapsed, housing interior volume are not take up, in rear wheel diameter
It is folded when larger using lateral turnover, occupancy box volume is small, and rear-wheel uses individually, electronic under entire electric vehicle mode
Distance between axles increase between the problem of case is two-wheeled, can be turned on one's side there is no the too short turning of distance between axles, or rear two-wheeled improved curved
Stability, secondly the built-in pedal in swing arm, facilitates user's leg rest, has no effect on steering when riding, and the present invention has operation
Stablize, excessively curved steady and feature that manipulation is comfortable.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one.
Fig. 2 is the structural schematic diagram of oscillating arm mechanisms in the embodiment of the present invention one.
Fig. 3 is the schematic diagram of internal structure of Fig. 2 of the embodiment of the present invention one.
Fig. 4 is the structural schematic diagram of one L-type swing arm of the embodiment of the present invention.
Fig. 5 is wheel front and back folding and unfolding schematic diagram of riding after the embodiment of the present invention one.
Fig. 6 is the structural schematic diagram of the embodiment of the present invention two.
Fig. 7 is the structural schematic diagram with unlock rod oscillating arm mechanisms of the embodiment of the present invention three.
Fig. 8 is the enlarged drawing in Fig. 7 at B.
Fig. 9 is the cross-sectional view of three swing arm of the embodiment of the present invention.
Figure 10 is the expanded view of three pedal structure of the embodiment of the present invention.
Figure 11 is rideable electric travelling case of the embodiment of the present invention three with pedal structure.
Figure 12 is the Tiebar structure of the embodiment of the present invention four.
Figure 13 is cross-sectional view when four-pull-rod structure of the embodiment of the present invention pulls out.
Figure 14 is cross-sectional view when four-pull-rod structure of the embodiment of the present invention is in riding condition.
Figure 15 is cross-sectional view when four-pull-rod structure of the embodiment of the present invention is in non-riding condition.
Figure 16 is the schematic internal view of four-pull-rod structure of the embodiment of the present invention.
Figure 17 is the structural schematic diagram of the front fork embedded groove of the embodiment of the present invention five.
Figure 18 is the cross-sectional view of the front fork embedded groove of the embodiment of the present invention five.
Figure 19 is the lock bolt structure schematic diagram of the embodiment of the present invention five.
Figure 20 is the lock tongue of the embodiment of the present invention five and the fiting relation figure of front fork unit.
Figure 21 be the embodiment of the present invention six list after ride and take turns the structural schematic diagram of side folding and unfolding.
Figure 22 be the embodiment of the present invention six list after ride take turns side expansion after structural schematic diagram.
Figure 23 be the embodiment of the present invention six list after ride and take turns the folded structural schematic diagram in side.
Figure 24 be the embodiment of the present invention seven it is double after ride the structural schematic diagram after taking turns side expansion.
Figure 25 be the embodiment of the present invention seven it is double after ride and take turns the folded structural schematic diagram in side.
Figure 26 is the enlarged drawing in Figure 25 at A.
Figure 27 be the embodiment of the present invention seven it is double after ride the pictorial diagram after wheel expansion.
In figure: 100. cabinets, wheel of riding after 101., 102. shafts, 103. first driving levers, 104. second driving levers, 105.
Three driving levers, 106. the 4th driving levers, 107. the 5th driving levers, 108. vehicle frame Guy wire guide-tubes, 109. car bodies, 110. rear wheel supports, 111.
Fixed pivot, 112. axle sleeves, 113. reset tension springs, 114. position limiting structures, 115. pulleys, 116. hinges.
200. oscillating arm mechanisms, 201. screw rods, 202. upper cover plates, 203. elastic rubbers, 204. lower cover plates, 205. lower nuts,
206. top nuts, 207-1. upper bearing (metal), 207-2. lower bearing, 208. Guy wire guide-tubes, 209-1. upper pressure-resistant rubber are resistance under 209-2.
Press rubber, 210. bracing wire power nuts, 211. bracing wires, 212. motors, 213. gear-boxes, 214. side shells, 215. card slots, 216. spiral shells
Revolve guiding mechanism, 217. swing arms, 218. front fork units, 219. front-wheels, 220. front forks.
300. pedal structures, 301. unlock return springs, 302. pedal frames, 303. unlock rods, 304. resets placed in the middle
Elastic component, 305. top plates, 306. locking frids, 307. pedal dynamic clamping head and quiet clamping heads, 308. lock slots, 309. pedals, 310. connecting rods,
311. secondary pedals.
400. Tiebar structures, 401. upper connecting rods, 402. upper fasteners, 403. lower pull rods, 404. upper stops, 405. lower fasteners,
406. springs, 407. spring limiting boards, 408. vehicle handrails, 409. position limiting structures, 410. yoke configurations, 411. knobs.
500. front fork embedded grooves, 501. lock tongue mounting grooves, 502. latch bolt springs, 503. lock tongues.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment one
If Fig. 1 is to a kind of rideable electric travelling case shown in fig. 5, swing arm machine has been fixedly mounted in the outer wall of cabinet 100
The side shell 214 of structure 200, oscillating arm mechanisms 200 is fixedly connected with cabinet 100, and oscillating arm mechanisms 200 drive 218 horizontal pendulum of front fork unit
It is dynamic, front fork unit 218 can be made to be promoted or be put down while swinging, front-wheel 219 is installed on the front fork 220 of front fork unit 218, it is preceding
There is a vehicle handrail 408 on the top of fork device 218.
Front-wheel 219 is driving wheel, is driven using brushless motor, and front-wheel 219 is electrically connected by conducting wire and controller, vehicle handrail
Electric switch is installed, electric switch is electrically connected by conducting wire and controller, and by way of turning or unclamping electric switch, to control on 408
Device sends signal, then the size by controller control battery to front-wheel conveying electric current does not have electric switch in figure to realize speed regulation
Display.
As shown in Figures 2 and 3 is the structural schematic diagram of oscillating arm mechanisms 200, and oscillating arm mechanisms 200 include swing arm 217, shaft
Device and driver, driver are motor 212, and swing arm 217 is mounted on cabinet 100 by turning gear, driver driving pendulum
Arm 217 has spirally-guided mechanism 216, for making swing arm 217 in spiral around the screw rod rotation as shaft on turning gear
Screw lifting under the guiding of guiding mechanism 216.
200 specific structure of oscillating arm mechanisms is as follows: the output shaft of motor 212 is fixedly connected simultaneously with the input terminal of gear-box 213
In rotation, driving gear-box 213 is rotated, and gear-box 213 is screwed on upper cover plate 202 by screw, and upper cover plate 202 belongs to shell
A part, shell by side shell 214 and with 214 both ends of side shell be fixedly mounted upper cover plate 202 and lower cover plate 204 form, gear
The output end of case 213 is fixedly connected with screw rod 201, successively down-set as starting point using 213 direction of gear-box on screw rod 201
Have, one to two pieces of top nuts 206, upper bearing (metal) 207-1, upper cover plate 202, upper pressure-resistant rubber 209-1, bracing wire power nut 210, bullet
Power rubber 203, swing arm 217, lower pressure-resistant rubber 209-2, lower cover plate 204, lower bearing 207-2 and one to two pieces of lower nuts 205；Silk
It is equipped with external screw thread outside bar 201 and upper cover plate 202 and lower cover plate 204 are respectively pressed by upper bearing (metal) 207-1 and lower bearing 207-2
Make fixed support with side shell 214, can make to continue circle rotation movement, side shell 214 is tubular, solid by welding, clamping or bolt
Fixed mode is fixedly mounted between upper cover plate 202 and lower cover plate 204, and side shell 214 and cabinet 100 pass through welding, gluing or card
It the modes such as connects to be fixedly connected, 180 ° of spiral of spirally-guided mechanism 216 is offered on side shell 214, the back segment of swing arm 217 is extend into
In spirally-guided mechanism 216, and cooperate with 201 screw rod of screw rod and screw, spirally-guided mechanism 216 is the skewed slot of arc, circular arc
Angle is 180 °, and the back segment of swing arm 217 is stuck in 216 notch of spirally-guided mechanism of side shell 214, when screw rod 201 rotates,
The slow horizontal pendulum turnback of swing arm 217 moves while swing arm 217 moves up and down；There is card slot 215, card on 214 inner wall of side shell
215 length of slot and 214 height of side shell are identical, and sliding is provided with the lug boss of bracing wire power nut 210 in card slot 215, in bracing wire
Bracing wire 211 is fixedly mounted in the lug boss of power nut 210, in order to enable swing arm 217 smoothly to complete 180 ° of rotations, and is putting
It tenses when turning or loosens bracing wire 211, copper screw cap is inlaid in one end of swing arm 217 is just accord with the tooth line on screw rod 201 and match, drawing
Have among line power nut 210 and the matched internal thread tooth of screw rod 201, bracing wire power nut 210 and screw rod 201 and screw rod and silk
The protrusion of mother's cooperation, bracing wire power nut 210 is stuck in the card slot 215 of side shell 214 simultaneously, due to Si Ya and card slot 215
Cooperation screw rod 201 when rotating bracing wire power nut 210 can only move straight up and down, bracing wire 211 is consolidated by riveting iron method
Being scheduled on bracing wire power nut 210 can not be detached from, and when bracing wire power nut 210 moves up and down, bracing wire 211 is forced to follow up and down
Movement.
Further introduce the effect of each component wherein:
Screw rod 201 and swing arm 217 cooperation for the rotational power source of motor 212 be converted into swing arm 217 move up and down and
Horizontal hunting.
Upper cover plate 202, lower cover plate 204 and side shell 214 collectively constitute shell, and upper cover plate 202 and lower cover plate 204 are used for silk
Bar 201 is located in side shell 214, and all bearing capacities are transmitted on side shell 214.
Elastic rubber 203 is mounted between swing arm 217 and bracing wire power nut 210 and compresses, and generates for eliminating gap
Abnormal sound.
Lower nut 205 and top nut 206 are led to for screw rod 201 to be fixed between upper cover plate 202 and lower cover plate 204
It crosses rotation lower nut 205 and/or top nut 206 adjusts three's relative axial position.
Upper bearing (metal) 207-1 and lower bearing 207-2 eliminates swing arm 217 and screw rod 201 rubbing when rotating relative to shell 214
Resistance is wiped, 211 any angle of bracing wire can be bent by Guy wire guide-tube 208, and strength is passed to movable member.
Upper pressure-resistant rubber 209-1 and lower pressure-resistant rubber 209-2 selects highdensity pressure-resistant anti-abrasive material, in mechanism kinematic
When be squeezed compressive deformation after generate big reaction force and big frictional force, cause 212 Current amplifier of motor, controller made to obtain letter
Number, when upper pressure-resistant rubber 209-1 or lower pressure-resistant rubber 209-2 is oppressed in swing arm 217, upper pressure-resistant rubber 209-1 or lower pressure resistance rubber
Glue 209-2 also gives swing arm 217 1 big reactions and a big frictional force, and reaction force passes to motor 212 at this time, causes electricity
212 Current amplifier of machine, controller are reacted after being incuded, and disconnect power delivery termination movement, swing arm 217 is caused to enter specific bit
It sets and original place is motionless, elastic rubber 203 is equipped between swing arm 217 and bracing wire power nut 210, elastic rubber 203 has foot
Enough compression travels, elastic rubber 203 itself is not destroyed the swing that will not hinder the arm 217 that stops after 217 turnback of swing arm,
And the elastic force for generating about 50 Ns, for eliminating noise and the vibration of the generation of the gap between bracing wire power nut 210 and swing arm 217
It is dynamic.
Bracing wire power nut 210 is the power source of bracing wire 211, and the power of motor 212 is converted to up and down by screw rod 201
Pulling force passes to bracing wire 211.
Guy wire guide-tube 208 is surrounded by outside bracing wire 211, Guy wire guide-tube 208 plays the role of strength transmitting, and bracing wire 211 can be
Unprotect set merchant wire, or with have in protective case and protective case oil lubricant band set bracing wire, the two be it is commercially available,
Using the bracing wire 211 of unprotect set in figure, therefore casing is provided in junction and plays the role of protecting bracing wire 211, when selection band
Casing can be omitted when the bracing wire of protective case.
Motor 212 is the power source of entire mechanism.
Shell 214 is the supporting body of entire mechanism.
Card slot 215 and spirally-guided mechanism 216 play guiding role, are providing bracing wire power nut 210 and swing arm 217
Track in move, and when bracing wire power nut 210 moves to stroke end, 217 rotation 180 degree of swing arm.
A kind of rideable electric travelling case as shown in Figure 4, wherein swing arm 217 is connect with front fork unit 218, swing arm 217
" L " type of presentation, swing arm 217 include long vertical section and short vertical section, and rear end and the screw rod 201 of short vertical section are equipped with, long to hang down
The front end of straight section and front fork unit 218 connect.
As shown in figure 5,100 lower part of cabinet is ridden after being rotatably mounted with takes turns draw off gear, bracing wire 211 is ridden after pulling
Ride wheel 101 after in wheel draw off gear, after ride after wheel 101 is packed up and carry out convenient for pulley 115, avoid the movement of extra wheel
Interference, after wheel of riding 101 put down, be that the front-wheel 219 for putting down simultaneously with it forms electric motor car with two wheels together, realize that electricity drives
It is dynamic.
After wheel of riding 101 be mounted in rear wheel support 110, hinge 116 is that the stamping parts of page two are closed by hinge pin string
Come, one page stamping parts is fixed on cabinet 100, and another page of stamping parts is fixed on rear wheel support 110, the rotation band of hinge 116
Dynamic rear wheel support 110 is done using hinge pin as axle center to be rotated in the front-back direction, and the another of bracing wire 211 is exported in oscillating arm mechanisms 200
End is fixed on rear wheel support 110, and for the service life of cabling beauty and raising bracing wire 211, one can be set in bracing wire 211
Casing covers tubing at some position, plays the role of protecting bracing wire 211；One end of reset tension spring 113 is fixed on cabinet 100
On make reset tension spring 113 fixation it is immovable, 113 other end of reset tension spring is fixed on rear wheel support 110；To prevent bracing wire 211
Be broken and wheel 101 of riding after causing is packed up when riding, after ride the Unscrew from front to back of wheel 101, rear wheel support is vertical
Vertical position is slightly turned over when opening, position limiting structure 114 is arranged at 100 bottom of cabinet, after 101 expansion of wheel of riding after, rear wheel support
110 are against on position limiting structure 114, and user is sitting on cabinet 100, and stress is entirely on position limiting structure 114, even if bracing wire 211 is unexpected
Fracture, reset tension spring 113 are ridden wheel 101 after can not packing up, and safety accident will not occur, are resetted and are drawn after user stands up
Spring 113 is ridden after could normally packing up takes turns 101.
Ride afterwards wheel 101 by be vacantly changed into put down it is forward: in pack up it is hanging after ride wheel 101, front-wheel 219 at this time
It being also at and packs up folded state, when to be opened, front-wheel 219 is gradually opened the tightening of bracing wire 211 under the driving of oscillating arm mechanisms 200,
When the tightening force of bracing wire 211 is more than to automatically reply the elastic force of reset tension spring 113, rear wheel support 110 is using hinge pin as axle center
Backward rotation until top on the position limiting structure 114 of cabinet 100, after wheel 101 of riding prop rear ground clearance decentralization 100mm, this
When front-wheel 219 also accordingly put down 100mm, the two constitutes the two wheeler of a set of support that lands, and front-wheel 219 is that driving wheel can be before electricity drives
Row.
Wheel 101 of riding afterwards is packed up: when oscillating arm mechanisms 200, which start revolution, to be withdrawn, loosening bracing wire 211, rear wheel support 110
On tightening force disappear, at this time the pulling force of reset tension spring 113 be greater than bracing wire 211 pulling force, reset tension spring 113 pull rear wheel support
110 using hinge pin as axle center rotation return forwards, until 211 pulling force of bracing wire completely disappears, after recycling after ride 101 patch of wheel
Close in the bottom end of cabinet 100, i.e., after ride wheel 101 pack up it is hanging in place, and improve 100mm.
The course of work of entire electric travelling case:
1, uplink is packed up: after motor 212 is connected to the instruction of controller sending, starting motor 212,212 spindle nose of motor
Flat body is equipped with pinion gear, and motor 212 rotates clockwise, and driving pinion rotation, pinion gear is passed through three-level reduction gearbox, finally passed
The rotation of screw rod 201 is passed, bracing wire power nut 210 and swing arm 217 move upwards simultaneously under the driving of screw rod 201, and bracing wire is dynamic
Power nut 210 is forced straight Xiang Shanghang, drives bracing wire 211 to move upwards, draw at this time due to being limited by card slot 215 on side shell 214
Bracing wire 211 in thread casing 208 is loosened, and wheel 101 of riding after allowing, which is packed up, to stash.Bracing wire power nut 210 is in side shell 214
The stroke for not touching rubber is 0~95mm, but rises to the position of 95mm, is also greater than 5mm free travel on screw rod 201 at this time,
Plane starts to contact pressure-resistant rubber 209-1 on bracing wire power nut 210, and motor 212 continues to drive, then bracing wire power nut
Plane starts to squeeze pressure-resistant rubber 209-1 on 210, upper pressure-resistant rubber 209-1 can be generated after compression 5mm big reaction force and
Big frictional force, it is sufficient to allow 212 Current amplifier of motor, after controller senses Current amplifier signal at this time, controller response is disconnected
Switch cuts off electric current, and motor 212 stops operating, while frictional force allows each mechanism steadily as you were, completes entire preset silk
Voluntarily stroke 100mm, i.e. completion bracing wire power nut 210 and swing arm 217 all rise 217 level of 100mm stroke and swing arm to bar 201
180 ° of purposes are swung, while swing arm 217 moves upwards under the driving of screw rod 201, since swing arm 217 is in the spiral shell of side shell 214
Rotation guiding mechanism 216 guiding role be forced slowly to do 180 ° of horizontal direction rotation movements, at this moment bracing wire power nut 210 and
Gap between swing arm 217 occur it is micro become smaller, elastic rubber 203 is equipped between swing arm 217 and bracing wire power nut 210, there is foot
Enough compression travels, elastic rubber 203 itself is not destroyed the swing that will not hinder the arm 217 that stops after making 217 turns 180 ° of swing arm, and
And the elastic force of 50 Ns of generation, for eliminating noise and the vibration of the generation of the gap between bracing wire power nut 210 and swing arm 217,
As pressure-resistant rubber 209-1 on 210 downthrust of bracing wire power nut, when screw rod 201 being caused to stop operating, swing arm 217 also stops fortune
It is dynamic, 180 ° of the rising 100mm synchronous with bracing wire power nut 210 of swing arm 217 and 217 horizontal hunting of swing arm are at this moment just completed, this
Sample is just automatically withdrawn into front fork unit 218 in the front fork embedded groove 500 of cabinet 100.
2, downlink is opened: when front fork unit 218 is in collapsed state, swing arm 217 is in Ce Ke214Shang spirally-guided mechanism
216 the top rotates counterclockwise after the instruction that motor 212 is connected to controller sending, driving pinion rotation, pinion gear warp
Three-level reduction gearbox is crossed, the rotation of screw rod 201 is ultimately transferred to, motor 212 drives swing arm 217 to move downward, bracing wire power nut 210
It is moved downward simultaneously under the driving of screw rod 201 with swing arm 217, the upper pressure-resistant rubber contacted at this time with bracing wire power nut 210
209-1 has the compression of 5mm, easily discharges this 5mm compression in advance, after completion, bracing wire power nut 210 and swing arm 217 after
Continuous downlink, the distance between bracing wire power nut 210 and swing arm 217 become larger micro at this time, i.e. the micro change of elastic rubber 203
Small, this does not influence the swing of swing arm 217, and keeps noise reduction anti-vibration functions, and bracing wire power nut 210 is due to being stuck in card slot
In 215, it is forced to move downward linearly 100mm, while bracing wire 211 being driven to move downward, the bracing wire 211 in Guy wire guide-tube 208 is received
Tight, wheel 101 of riding after causing is holded up, and is contacted with ground and is raised suitcase 60mm, due to the spirally-guided mechanism of side shell 214
216 effect, swing arm 217 are moving downward while making horizontal opposite direction swing, starting to touch lower pressure-resistant rubber as downlink 95mm
Glue 209-2, at this time there are also 5mm free travel is greater than on screw rod 201,217 lower plane of swing arm starts to contact lower pressure-resistant rubber 209-
2, motor 212 continues to drive, then 217 lower plane of swing arm starts to squeeze lower pressure-resistant rubber 209-2, lower pressure-resistant rubber 209-2 by
Big reaction force and big frictional force are generated after pressure 5mm, it is sufficient to allow 212 Current amplifier of motor, controller senses that electric current is put at this time
After big signal, controller response disconnects switch, cuts off electric current, and motor 212 stops operating, at the same frictional force allow each mechanism steadily
It is as you were, complete entire preset screw rod 201 voluntarily stroke 100mm, i.e. completion bracing wire power nut 210 and swing arm 217 all
Decline 100mm stroke and the horizontal opposite direction of swing arm 217 swings 180 ° of purposes, that is, completes front fork unit 218 from front fork embedded groove 500
It is middle disengage, and 180 ° of flip horizontal, front-wheel 219 and after wheel 101 of riding suitcase is integrally lifted into 60mm, allow front and back wheel to keep water
It is flat, complete riding condition.
Cabinet 100 includes the car body 109 of inherent frame structure, is set with or is molded by its frame structure and is openable and closable
Outsourcing, frame structure can be welded in length and breadth by metal material, the riveting of plastic-steel, the grafting of hollow pipe and connector or by height
The integrated molding of molecular material, using Metal Material Welding at a rectangle frame in figure；Being set with outsourcing is usually exactly everybody
The Soft Roll cabinet said, is mainly made of wear-resistant materials such as canvas, flax or polyester fibers, passes through riveting, suture or gluing
Form be fixed on frame, moulding outsourcing is exactly the hard shell cabinet that the big daily life of a family is said, mainly by high molecular material, memory metal
The composite material of material or other not crackies is made, and is mounted on frame by modes such as riveting, welding or gluings；Vehicle
Body 109 is broadly divided into two chambers, and a chamber is for placing trip luggage, another chamber places electrical equipment, for side
Just center of gravity is kept, usual two chambers are arranged one on the other, and the lower part of car body 109 is arranged in electrical equipment.
Electrical equipment includes battery and controller, and battery is that rechargeable battery, battery can be lead-acid battery or lithium
Battery, in order to further reduce self weight and improve material-putting space, the present invention uses lithium battery, in order to guarantee the steady of power output
It is fixed and lasting, and several 18650 type battery cores connection composition battery pack is used, battery pack is connected into again by electricity according to product type
Pond group, product type Primary Reference value are that the size of cabinet determines that is, how many cuns described in everybody, size get over the number of big battery packet
Amount will accordingly increase, and when battery pack quantity reaches certain amount, a battery pack can be organized by such as reaching four, and battery pack is convenient
The power management of dismounting and later period, lead-acid battery is similarly；Controller is commercially available master control borad, has charge and discharge protecting on controller
Device can prevent charging current from crossing ambassador's battery temperature excessively high and accident occurs, while guarantee that electric current output is maintained at a stabilization
In range, this function has been applied on electric car, the application only it is applied, controller by fly line,
Winding displacement or direct-connected mode are mainly electrically connected with motor 212, switch and battery, and after switching unlatching, controller controls battery
Stable electric current is transmitted to motor 212, is also electrically connected in the same way with charge port on controller, extraneous power supply passes through charging
When mouth charges the battery, controller controls size of current, this is common charging and switching circuit, and is switched, 212 and of motor
Controller is commercially available therefore circuit diagram is omitted.
Embodiment two
A kind of rideable electric travelling case as shown in FIG. 6, the place for being different from embodiment one is, in vehicle handrail 408
Upper end there are one telescopic lever, there is a knob 411 on the top of telescopic lever, telescopic lever is slidably arranged in front fork
In the upper portion pipe body of device, telescopic lever is pulled up out from front fork unit when dragging suitcase, the structure of telescopic lever and existing
Telescopic lever effect, structure and the application method for having common suitcase all, belong to existing technology, details are not described herein again.
Embodiment three
A kind of rideable electric travelling case as shown in Fig. 7 to Figure 11, the place for being different from embodiment one is, in swing arm
The pedal slot that pedal frame 302 can be allowed to retract is opened up on 217, when swing arm 217 is opened, the unlock rod 303 in swing arm 217 is supported
On the top plate 305 on cabinet 100, the unfolded state of pedal frame 302 is kept, unlock rod 303 unlocks foot when swing arm 217 is packed up
Frame 302 is pedaled, pedal frame 302 automatically retracts in pedal slot.
As shown in Figure 7 and Figure 8, pedal structure 300 is when 217 uplink of swing arm is folded to 100 side of cabinet, pedal frame
302 can automatically retract therewith, convenient and efficient.
The specific structure of pedal structure 300: including pedal frame 302 and unlock rod 303, pedal frame 302 is hinged on pendulum
At left and right sides of arm 217, there is pedal slot in swing arm 217, pedal frame 302 is existed by 307 rotary folding of pedal dynamic clamping head and quiet clamping head
In the pedal slot of 217 left and right sides of swing arm, unlock rod 303 is mounted in 217 inner cavity of swing arm, and the front end of unlock rod 303 has lock
Determine frid 306, the left and right sides of locking frid 306 has a lock slots 308, unlock rod 303 by return springs 304 placed in the middle into
Row center ofthe resets, and return springs 304 placed in the middle include the arched elastic component at left and right sides of casing and casing, placed in the middle to reset
Elastic component 304 is plastic part, and return springs 304 placed in the middle are by covering pipe sleeve on unlock rod 303, the top of arched elastic component
The left and right sides of 217 inner cavity of swing arm is acted on, swing arm 217 is stretched out in the rear end of unlock rod 303, and unlock rod 303 is resetted by unlock
Elastic component 301 maintains stretching state, and unlock return springs 301 are that helical spring is being put positioned at the front of locking frid 306
When the rotation of arm 217 to opening state, the rear end of unlock rod 303 is pushed forward by cabinet 100, and unlock rod 303 overcomes unlock to reset
The elastic reaction of elastic component 301 drives locking frid 306 to move forward to latched position, the pedal 309 of 217 side of swing arm it is interior
It holds and is embedded in lock by way of the elastic reaction deviation opposite side for pushing locking frid 306 to overcome return springs 304 placed in the middle
Determine the lock slots 308 of frid 306, realize and the opening of pedal frame 302 is locked, locks frid 306 in side pedal frame 302
It is placed in the middle to lock timing reset, in 217 rotary folding of swing arm, the rear end of unlock rod 303 is detached from the effect of cabinet 100, and unlock resets
Elastic component 301 pushes unlock rod 303 to reset stretching, and locking frid 306 moves back releasing and makees to the locking of the inner end of pedal frame 302
With the pedal frame 302 of 217 left and right sides of swing arm is total to by pedal 309 and secondary pedal 311 matched with pedal 309 and connecting rod 310
With constituting, the inner end of pedal 309 and secondary pedal 311 is hinged in swing arm 217, the both ends of connecting rod 310 and pair pedal 311 and mating
Pedal 309 outer end articulated connection, pedal frame 302 and swing arm 217 form parallel four-bar linkage, make pedal frame
The 302 rotatable folding states of being in line enter pedal slot, and pedal structure 300 is arranged in swing arm 217, and swing arm 217 includes long hangs down
Straight section and short vertical section, rear end and the screw rod 201 of short vertical section are equipped with, and the front end of long vertical section and front fork unit 218 connect
It connects, pedal structure 300 is arranged in long vertical section, and the rear end of unlock rod 303 is pierced by from the rear end of long vertical section.
In riding condition, the tail portion of unlock rod 303 is persistently withstood on the top plate 305 of suitcase, and top plate 305 is fixed
It is mounted on travelling box body 100.
304 function of return springs placed in the middle: allow locking frid 306 that can first move back when for manually breaking pedal frame 302 into two with one's hands
It allows, after waiting pedals 309 to enter locking 306 square groove mouth of frid, return springs 304 placed in the middle and center condition of rebounding.
When in non-riding condition, front fork unit 218 is withdrawn by oscillating arm mechanisms 200 in the front fork embedded groove 500 of suitcase
Interior, there are space between the rear end and top plate 305 of the long vertical section of swing arm at this time 217, unlock rod 303 is detached from the beam of top plate 305
It ties up, is unlocked the rear end that return springs 301 eject the long vertical section of swing arm 217, exposes end face 15mm, lock frid at this time
306 positions in unlock.
The rear end of the long vertical section of swing arm 217, while unlock rod 303 locks are persistently headed in riding condition lower roof plate 305
Frid 306 is determined to sinciput 15mm, is locked frid 306 and is entered self-locking position.
Working principle is as follows: the front fork unit 218 when in riding condition is detached from out of suitcase front fork embedded groove 500
It out and stretches, top plate 305 persistently heads on the unlock rod 303 for exposing the rear end 15mm of long vertical section of swing arm 217 originally, solution
Locking bar 303 heads into the rear end of the long vertical section of swing arm 217, and locking frid 306 to sinciput 15mm, is locked frid by unlock rod 303
306 head on unlock return springs 301, and unlock return springs 301 are in compressive state, lock the positive benefit of frid 306 at this time
In self-locking position.
Manpower work moves the pedal frame 302 on the left side, and the pedal 309 of the pedal frame 302 on the left side can first squeeze lock at this time
Determine frid 306, that is, compress return springs 304 placed in the middle, return springs 304 placed in the middle are compressed to be pressed towards on one side and inclined
From center, when the pedal 309 on the left side is caught in lock slots 308 completely, return springs 304 placed in the middle drive locking frid 306 placed in the middle
Return, locking frid 306 at this time withstand being preceding unlocked return springs 301, bar 303 are unlocked after and top plate 305 pushes up
, it can not move forward and backward, i.e. the pedal frame 302 on the left side is locked frid 306 and blocks, and can not also move forward and backward, that is, completes left
Side pedal frame 302 stretchs out self-locking work.Similarly: manpower work moves the pedal frame 302 on the right, causes the pedal on the right
309 locked slots 308 block, and can not move forward and backward, and ARTIFICIAL FORCE terminates, and that completes both sides pedal frame 302 stretchs out self-locking work.
Recycling is automatic to collapse: when oscillating arm mechanisms 200 start to withdraw rotation, the rear end of the long vertical section of swing arm 217 and cabinet
Occurs gap between 100, unlock rod 303 starts to be detached from top plate 305, and the elastic force for unlocking return springs 301 at this time is greater than two pedals
The summation of 302 or so two 307 pulling force of pedal dynamic clamping head and quiet clamping head of frame is locked in the case where unlocking 301 spring-force driven dual of return springs
Determine frid 306 and unlock rod 303 while moving backward, the outer end of pedal frame 302 is first to headstock direction deflection, then pedal frame
309 inner end of pedal of frame 302 starts to slip out of lock slots 308 notch, while the pulling force by pedal dynamic clamping head and quiet clamping head 307
Under effect, pedal frame 302 is retracted by the pedal dynamic clamping head and quiet clamping head 307 on secondary pedal 311, completes to automatically retract work.
Example IV
A kind of rideable electric travelling case, the place for being different from embodiment one as shown in Figure 12 to Figure 16 are: Che Fu
Hand 408 is connect by telescopic Tiebar structure 400 with the lower part of front fork unit 218, and telescopic Tiebar structure 400 includes upper
Pull rod 401 and lower pull rod 403, vehicle handrail 408 are fixed on upper connecting rod 401, and lower pull rod 403 connects the lower part of front fork unit 218,
It penetrates in lower pull rod 403 to 401 Telescopic rotary of upper connecting rod, the upper end of lower pull rod 403 has fluting, and hoop has card on position of slotting
Cuff structure 410 locks the telescopic location of lower pull rod 403 and upper connecting rod 401.Yoke configurations 410 are the clip with quick-disassembly structure
Structure.Yoke configurations 410 need to only be unclamped can adjust the height of vehicle handrail 408 by telescopic Tiebar structure 400.
Between upper connecting rod 401 and lower pull rod 403 have rotary locking structure, rotary locking structure include upper fastener 402, under
Fastener 405, spring 406, spring limiting part 407 and upper block piece 404, upper fastener 402, lower fastener 405, spring 406 and spring limit
Position part 407 is from top to bottom covered in the lower end of upper connecting rod 401, and wherein upper fastener 402, spring limiting part 407 and upper connecting rod 401 are fixed
Connection, lower fastener 405 and the non-rotatable cooperation of lower pull rod 403, upper fastener 402 on the adjacent face of lower fastener 405 with matching
To the plush copper and groove of engagement, for being carried out when being in riding condition after vehicle handrail 408 carries out 90 degree of rotations to upper connecting rod 401
Spin locking, spring 406 act on lower fastener 405, push lower fastener 405 to compress upper fastener 402,404 sets of upper block piece is upper
On fastener 402, and the outer profile of lower fastener 405 is greater than the inner hole of upper block piece 404, has in the upper end of the rod aperture of lower pull rod 403
There is the position limiting structure 409 for stopping upper block piece 404.
More specifically, spring limiting board 407 is fixed by screws in the lower part of upper connecting rod 401, upper fastener 402 passes through rivet
It is fixed at upper connecting rod 401 about 1/2, upper stop 404 is an annulus, and position limiting structure 409 is that block piece 404 can be stopped to deviate from
Seam allowance.
As shown in Figure 12 and Figure 16, the shape of lower pull rod 403 is the special-shaped tube body with arc-shaped transitional surface, Figure 16 in Figure 12
The shape of middle lower fastener 405 is consistent with the internal via shape of lower pull rod 403, realizes the non-rotatable cooperation of the two.
The course of work of telescopic Tiebar structure 400 with rotary locking structure: because this suitcase is vehicle handrail
It folds and packs up after 408 180 ° of rotations, be in cabinet 100 after coming in order to avoid the turnover of vehicle handrail 408 when electricity, which drives, rides sidewards
Vertical relation, need for vehicle handrail 408 to be rotated by 90 ° it is parallel with cabinet 100 after, pushing be included in front fork embedded groove 500, lower fastener
405 withstand upper fastener 402 under the action of 406 elastic force of spring, the plush copper of the adjacent face of upper fastener 402 and lower fastener 405 and
Groove mating engagement, lower fastener 405 limit upper fastener 402 and make circular-rotation.When needing to rotate upper connecting rod 401, first promoted
Vehicle handrail 408 pulls upper connecting rod 401 simultaneously, because upper fastener 402 is fixedly connected with upper connecting rod 401, and upper fastener 402
Outer diameter be less than the internal diameter of upper stop 404, so upper fastener 402 can move up together with upper connecting rod 401, and step into
The inner hole of shelves part 404, until it is submerged completely in upper stop 404, when 404 lower plane of upper stop is lower than 402 lower plane of upper fastener
When, because the outer diameter of lower fastener 405 is greater than the internal diameter of upper stop 404, and the outer diameter of upper fastener 402 is less than the interior of upper stop 404
Diameter, lower fastener 405 is blocked by upper stop 404 at this time, and spring 406 is caused further to compress, and upper fastener 402 is just departing under at this time
The constraint of fastener 405, upper fastener 402 can rotate freely, that is, upper connecting rod 401 can rotate freely, and thus complete
The rotation of vehicle handrail 408.
Certainly it is also not excluded for, there are on the adjacent face of upper fastener 402 and lower fastener 405 two groups of pairings in this embodiment
The plush copper and groove of engagement are respectively used to carry out spin locking to upper connecting rod in carrousel handrail to riding condition and rotate
Spin locking is carried out to upper connecting rod when vehicle handrail is in non-riding condition.
Embodiment five
A kind of rideable electric travelling case, the place for being different from embodiment one as shown in Figure 17 to Figure 20 are: preceding
The entrance two sides of fork embedded groove 500 are provided with the lock tongue 503 of elastic telescopic installation, and two lock tongue pairings are arranged and from top to bottom prolong
The entrance for blocking front fork embedded groove 500 is stretched, two lock tongue opposed swing arms 217 are positioned above, and the front of lock tongue 503 is tilted
Face enters front fork embedded groove 500 for making front fork unit 218 that can push lock tongue 503 open by inclined surface, the back side of lock tongue 503
Upper section is flat face, and for lockking the front fork unit 218 of insertion front fork embedded groove 500, the lower section at the back side of lock tongue 503 is flare
Face, front fork unit 218 can push from the bottom to top lock open by the flare face when for putting outside the drive front fork unit 218 of swing arm 217
Tongue 503.
The upper section of the side of lock tongue 503 is vertical plane, and lower section is inclined-plane, is used for when two lock tongues are closed in lock tongue 503
Lower section form the gap that is from top to bottom gradually expanded.
Pass through chamfered transition between the upper section and lower section at the back side of lock tongue 503.
Lock tongue elastic telescopic installation specific structure be；The entrance two sides of front fork embedded groove 500 have lock tongue mounting groove
501, lock tongue 503 is mounted in the mounting groove, has latch bolt spring 502 in mounting groove, for pushing 503 elasticity of lock tongue to stretch
It contracts, there is the limit seam allowance of limit 503 moving distance of lock tongue at 503 stretching of lock tongue on lock tongue mounting groove 501.
The double lock tongue door split just like two fans, for being recovered in front fork embedded groove 500 before finger lock in front fork unit 218
Fork device 218 makes front fork unit 218 be not easy, while lock tongue 503 can make front fork unit 218 when oscillating arm mechanisms 200 are unfolded
Quickly shake off from front fork embedded groove 500.
Specifically, the upper section of lock tongue 503 is the top 2/5 of lock tongue 503, and residue about 3/5 is the lower section of lock tongue 503, lock tongue
503 positive introversion inclined-plane is 45 ° of inclined-planes, and the flare face of the lower section at the back side of lock tongue 503 is 45 ° of inclined-planes.The side of lock tongue 503
The lower section in face is 45 ° of inclined-planes.Pass through upward 60 ° of chamfered transition between the upper section and lower section at the back side of lock tongue 503.Two locks
Upper section spacing between tongue is 15mm, and the spacing of the lowermost end of the lower section between two lock tongues is 30mm.
The structural principle of lock tongue 503 is as follows: the contact surface of front fork unit 218 and lock tongue 503 is camber, and lock tongue 503 is
Inclined-plane, this inclined-plane touch the structure of cambered surface, are conducive to front fork unit 218 and easily squeeze into lock tongue 503, reach Yi Jinxiao
Fruit.This structure upper end easily goes out into difficulty, and front fork unit 218 can be used as common pull rod and use after folding, when pulling suitcase, front fork
The force part of device 218 is not easy on top, but because of the presence of the flat face of the upper section at the back side of lock tongue 503, but
In 218 Unscrew of front fork unit, the lower part of front fork unit 218 can first be deviate from by the lower part of lock tongue 503, then gradually
It pushes lock tongue 503 open from the bottom to top, realizes abjection movement.When front fork unit 218 squeezes into front fork embedded groove 500 inward, lock tongue bullet
Spring 502 is compressed, and two lock tongues are opened, 218 rotary folding of front fork unit in place after, lock tongue 503 is in 502 pressure on top surface of latch bolt spring
Return because front fork unit 218 is lived in the flat face block of the upper section at the back side of lock tongue 503 does not allow it to escape from immediately under effect, real
Now enter a series of self-locking sequences of slot.
Embodiment six
A kind of rideable electric travelling case, the place for being different from embodiment one as shown in Figure 21 to Figure 23 are: rear-wheel
Draw off gear includes rear wheel support 110, bracing wire 211, reset tension spring 113 and drive linkage arrangement, after ride after wheel 101 is mounted on
On wheel support 110, rear wheel support 110 is rotatably installed on car body 109 by shaft 102, and bracing wire 211 passes through drive link
Driving rear wheel support 110 is rotated by horizontal collapsed state to vertical opening state, and reset tension spring 113 acts on rear wheel support 110
Or spinning reduction rear wheel support 110 in drive link.
Drive linkage arrangement includes rocking bar 105 and connecting rod 104, and one end of rocking bar 150 is hinged on car body 109, rocking bar 105
The other end and connecting rod 104 one end it is hinged, the other end of connecting rod 104 and rear wheel support 110 are hinged, rocking bar 105, connecting rod 104
Rocker device is constituted with rear wheel support 110, the two sides of rocking bar 105 have the driving end stretched out, bracing wire 211 and reset tension spring 113
It is respectively acting on driving end, drive rocker 105 is swung, and the rotation of wobble drive rear wheel support 110 of rocking bar 105 is packed up and beaten
It opens, when bracing wire 211 drives the opening of rear wheel support 110 to vertical state, rocking bar 105 is limited part limit and 105 He of rocking bar
Connecting rod 104 crosses the collinear position of the two, for forming stuck effect to rear wheel support 110.
Specifically, ride after wheel 101 quantity be one, rear-wheel draw off gear is ridden after folding and unfolding by way of left rotation and right rotation
Row wheel 101, the two sides of rocking bar 105 have the driving end stretched out, and bracing wire 211 and reset tension spring 113 are separately connected the two of rocking bar 105
A driving end, bracing wire 211 drive rear wheel support 110 to open vertically by way of pulling up driving end.
This structure is ridden the state of wheel 101 after only having bracing wire 211 and reset tension spring 113 can change, and bracing wire 211 can
With the riding condition for wheel 101 of riding after locked, i.e., after wheel 101 of riding do not change perpendicular to the state of ground.
More specifically, rear wheel support 110 and the electric welding of shaft 102 are fixed；Axle sleeve 112 and the electric welding of car body 109 are fixed；Axle sleeve
112 sets, in 102 outside of shaft, cause shaft 102 that may only rotate around axle sleeve 112, can not front and rear, left and right, up and down fortune
It is dynamic.There is the first dead man 103, the first dead man 103 and shaft 102 are fixed in shaft 102；First driving lever 103 and connecting rod 104 pass through
Pin connection may only be cut with scissors indirectly around corresponding pin rotation, the first dead man 103 for realizing connecting rod 104 and rear wheel support 110
It connects, is equal to connecting rod 104 and rear wheel support 110 is directly hinged；Connecting rod 104 is connect with rocking bar 105 by pin, may only be surrounded
Corresponding pin rotates；The electric welding of the middle part of rocking bar 105 and the 4th driving lever 106 is fixed, and the 4th driving lever 106 is made to become rocking bar
The driving end of 105 two sides, the aperture at electric welding connection, this hole are connect by pin with fixed pivot 111, and 105 He of rocking bar is caused
4th driving lever 106 rotates around fixed pivot 111 simultaneously；One end of 4th driving lever 106 is fixed with 211 screw of bracing wire,
The other end and reset tension spring 113 of 4th driving lever 106 are fixed, and bracing wire 211 can arbitrarily be turned by vehicle frame Guy wire guide-tube 108 to be reached
It is transmitted to strength.
The motion principle of mechanism: oscillating arm mechanisms 200 work when switching riding condition, and bracing wire 211 pulls up, and cause the 4th driving lever
106 move up, and rocking bar 105 is that fulcrum is made to turn clockwise simultaneously with fixed pivot 111, and connecting rod 104 moves up, the first driving lever
103, shaft 102, rear wheel support 110 and after ride wheel 101 simultaneously with axle sleeve 112 be fulcrum make counterclockwise rotation, shaken when going to
When bar 105 and connecting rod 104 slightly turned over the collinear position of the two, the 4th driving lever 106 has encountered position limiting structure 114, the 4th driving lever
106 bracing wire 211 tighten due to be forced terminate movement and by connecting rod 104 it is stuck in this case, ridden afterwards at this time wheel 101 just
Well perpendicular to ground, drive linkage arrangement forms stuck effect to rear wheel support 110, at this time the first driving lever 103 either up time
Needle still can not all move counterclockwise, i.e., after ride wheel 101 erected states consolidate it is motionless.
When non-riding condition, since oscillating arm mechanisms 200 are withdrawn, when bracing wire 211 is in releasing orientation, reset tension spring 113 is received
Tightly, it causes rocking bar 105 to be that fulcrum work is counterclockwise with fixed pivot 111 to turn, drives connecting rod 104 to move down, the first driving lever 103 turns
Axis 102, rear wheel support 110 and after to ride wheel 101 simultaneously be that fulcrum rotates clockwise with axle sleeve 112, after ride and take turns 101 by hanging down
Directly changing into lying status packs up wheel.
The difference of the present embodiment and embodiment one is, after wheel 101 of riding be to prevent take up case from 100 side folding and unfolding of cabinet
The inner space of body 100, and 101 front and back folding and unfoldings of wheel of riding after embodiment one need to occupy the inside of sub-fraction cabinet 100
Space.
Embodiment seven
A kind of rideable electric travelling case, the place for being different from embodiment six as shown in Figure 24 to Figure 27 are: after ride
The quantity of row wheel 101 is two, is located at the two sides of cabinet 100, rear-wheel draw off gear to 100 interior direction of cabinet by revolving
It rides wheel 101 after the mode folding and unfolding turned, two rear-wheel draw off gear structures are identical, and are symmetrical arranged, and rocking bar 105 has inside
The driving end that side is stretched out, bracing wire 211 and reset tension spring 113 act on driving end.
This structure is ridden the state of wheel 101 after only having bracing wire 211 and reset tension spring 113 can change, and bracing wire 211 can
With the riding condition for wheel 101 of riding after locked, i.e., after wheel 101 of riding do not change perpendicular to the state of ground.
More specifically, rear wheel support 110 and the electric welding of shaft 102 are fixed；Axle sleeve 112 and the electric welding of car body 109 are fixed；Axle sleeve
112 sets, in 102 outside of shaft, cause shaft 102 that may only make spin axis movement around axle sleeve 112, can not front and rear, left and right, up and down fortune
It is dynamic.First driving lever 103 and shaft 102 are fixed；First driving lever 103 is connect with connecting rod 104 by pin, may only be around corresponding pin
Nail rotation；Connecting rod 104 is connect with rocking bar 105 by pin, may only be rotated around corresponding pin；Rocking bar 105 and
The electric welding of four driving levers 106 is fixed, and so that the 4th driving lever 106 is become the driving end of rocking bar 105 stretched out inwardly, is opened at electric welding connection
Hole, this hole are connect by pin with fixed pivot 111, and rocking bar 105, the 4th driving lever 106 is caused to revolve simultaneously around fixed pivot 111
Transhipment is dynamic；Bracing wire 211 is acted on the 4th driving lever 106 by the 5th connecting rod 107, and the 4th driving lever 106 passes through with the 5th connecting rod 107
Pin connection, may only be around corresponding pin rotation；The non-articulated end of 5th connecting rod 107 of the rear-wheel draw off gear of the left and right sides
It merges and is fixed with 211 screw of bracing wire, the hinged end of the 5th connecting rod 107 is fixed with respective reset tension spring 113 respectively, draws
Line 211 can arbitrarily be turned by vehicle frame Guy wire guide-tube 108 reaches strength transmitting.
The motion principle of mechanism: when switching riding condition, oscillating arm mechanisms 200 work, and cause bracing wire 211 to pull up, the 5th connecting rod
107 move up, and the rocking bar 105 of the rear-wheel draw off gear of the left and right sides is that fulcrum makees up time respectively simultaneously with fixed pivot 111
It needle and rotates counterclockwise, connecting rod 104 moves down；The collinear position of the two was slightly turned over connecting rod 104 when going to rocking bar 105
When, the 4th driving lever 106 has encountered position limiting structure 114, and the 4th driving lever 106 is forced to terminate movement simultaneously due to tightening bracing wire 211
Connecting rod 104 is stuck in this case, and wheel 101 of riding afterwards at this time is just perpendicular to ground, and drive linkage arrangement is to rear wheel support
110 form stuck effects, and the first driving lever 103 either can not all move clockwise or counterclockwise at this time, i.e., after ride wheel 101
Erected state consolidates motionless.
Oscillating arm mechanisms 200 are withdrawn when non-riding condition, and when bracing wire 211 is in releasing orientation, reset tension spring 113 is tightened, and are caused
4th driving lever 106 and rocking bar 105-1 are that fulcrum rotates with fixed pivot 111, drive connecting rod 104 to move up, the first driving lever 103
With shaft 102, rear wheel support 110 and after to ride wheel 101 simultaneously be that fulcrum rotates with axle sleeve 112, ride wheel 101 after cause two
Rear-wheel 110 is packed up by vertically changing into lying status.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (17)
1. a kind of rideable electric travelling case, preceding including the front wheels and rear wheels for riding the cabinet of seat for user, supporting box is advanced
Wheel is mounted on front fork unit, it is characterized in that: being equipped with oscillating arm mechanisms on the cabinet, front fork unit is mounted on oscillating arm mechanisms
On, oscillating arm mechanisms carry out rotary folding under the driving of driver, will be located at the front fork unit rotary folding of cabinet direction of travel
To the side of cabinet.
2. rideable electric travelling case according to claim 1, it is characterized in that: drive of the oscillating arm mechanisms in driver
Enhancing action is carried out while carrying out spinning movement under dynamic, is made while by the side of front fork unit rotary folding to cabinet
Front-wheel is lifted away from ground.
3. rideable electric travelling case according to claim 2, it is characterized in that: the oscillating arm mechanisms include swing arm, turn
Shaft device and driver, driver are motor, and swing arm is mounted on cabinet by turning gear, and driver drives swing arm around the shaft
The shaft of device rotates, and has spirally-guided mechanism on turning gear, for making swing arm under the guiding of spirally-guided mechanism
Screw lifting.
4. rideable electric travelling case according to claim 3, it is characterized in that: the turning gear specifically includes shell
With the screw rod for the shaft for carrying out being installed as swing arm by shell, swing arm is cooperated by screw structure and screw rod, and driver drives
Dynamic screw rod rotation, has spirally-guided mechanism on shell, and swing arm is under the driving of screw rod and the guiding role of spirally-guided mechanism
Lower screw lifting.
5. rideable electric travelling case according to claim 4, it is characterized in that: the turning gear further includes pressure-resistant rubber
Glue, pressure-resistant rubber are set in the upper and lower ends of screw rod, for constraining the upward stroke and descending stroke of swing arm.
6. rideable electric travelling case according to claim 1, it is characterized in that: the top of the front fork unit has vehicle
Handrail, vehicle handrail are connected by the lower part of telescopic Tiebar structure and front fork unit, and telescopic Tiebar structure includes pull-up
Bar and lower pull rod, vehicle handrail are fixed on upper connecting rod, and the lower part of lower pull rod connection front fork unit is worn to upper connecting rod Telescopic rotary
Enter in lower pull rod, the upper end of lower pull rod has fluting, and hoop there are yoke configurations on position of slotting, and locks stretching for lower pull rod and upper connecting rod
It condenses and sets, there is rotary locking structure, rotary locking structure includes upper fastener, lower card between the upper connecting rod and lower pull rod
Part, spring, spring limiting part and upper block piece, upper fastener, lower fastener, spring and spring limiting part are from top to bottom covered in upper connecting rod
Lower end, wherein upper fastener, spring limiting part are fixedly connected with upper connecting rod, lower fastener and the lower non-rotatable cooperation of pull rod, upper fastener
With, with the plush copper and groove of mating engagement, ride shape for being in after 90 degree of vehicle handrail rotations on the adjacent face of lower fastener
Spin locking is carried out to upper connecting rod when state, spring acts on lower fastener, and lower fastener is pushed to compress upper fastener, and upper block piece is covered upper
On fastener, and the outer profile of lower fastener is greater than the inner hole of upper block piece, has in the upper section of the rod aperture of lower fastener and stops upper block piece
The position limiting structure of abjection.
7. according to claim 1, rideable electric travelling case described in 2,3 any one, it is characterized in that: being set in the swing arm
It is equipped with pedal structure, pedal structure includes pedal and unlock rod, and pedal is hinged at left and right sides of swing arm, and pedal passes through pedal elasticity
At left and right sides of swing arm, unlock rod is mounted in swing arm inner cavity return unit rotary folding, and the front end of unlock rod has locking frid,
The left and right sides for locking frid has lock slots, and unlock rod carries out center ofthe reset, unlock rod by return springs placed in the middle
Rear end stretch out swing arm, unlock rod maintains stretching state by unlock return springs, rotates in swing arm to opening state, unlock
The rear end of bar is pushed forward by cabinet, and unlock rod overcomes the elastic reaction of unlock Flexible Reset that locking frid is driven to move forward to
Latched position, the inner end of the pedal of swing arm side is by pushing locking frid that the elastic reaction of return springs placed in the middle is overcome to be biased to
The mode of opposite side is embedded in the lock slots of locking frid, realizes the locking to pedal, in swing arm rotary folding, unlock rod
Rear end is detached from the effect of cabinet, and unlock return springs push unlock rod to reset stretching, and locking frid is moved back, released to pedal
The locking effect of inner end.
8. rideable electric travelling case according to claim 7, it is characterized in that: the unlock return springs are spiral
Spring, positioned at the front of locking frid, the return springs placed in the middle include the arched elastic at left and right sides of casing and casing
Component, return springs placed in the middle on unlock rod, act on a left side for swing arm inner cavity by set pipe sleeve at the top of arched elastic component
Right two sides, have pedal slot in swing arm, and the pedal at left and right sides of the swing arm is all configured with secondary pedal and connecting rod, collectively forms
The inner end of pedal frame, secondary pedal is hinged in swing arm, and the both ends of connecting rod and the outer end of secondary pedal and matched pedal are hinged
Connection, pedal frame and swing arm form parallel four-bar linkage, and the pedal frame rotatable folding state of being in line is made to enter pedal
Slot, swing arm are L-shaped swing arm, including long vertical section and short vertical section, rear end and the screw rod of short vertical section are equipped with, long vertical
The front end of section connect with front fork unit, and pedal structure setting is in long vertical section, and the rear end of unlock rod is from the rear end of long vertical section
It is pierced by.
9. rideable electric travelling case according to claim 1, it is characterized in that: the side of the cabinet has front fork embedding
Enter slot, the entrance two sides of front fork embedded groove be provided with the lock tongue of elastic telescopic installation, two lock tongues pairing setting and by up to
Lower to extend the entrance for blocking front fork embedded groove, two lock tongue opposed swing arms are positioned above, and the front of lock tongue is introversion inclined-plane, are used
Enter front fork embedded groove in making front fork unit that can push lock tongue open by inclined surface, the upper section at the back side of lock tongue is flat face, is used for
The front fork unit of insertion front fork embedded groove is lockked, the lower section at the back side of lock tongue is flare face, for driving front fork unit in swing arm
Front fork unit can push from the bottom to top lock tongue open by the flare face when outer pendulum.
10. rideable electric travelling case according to claim 9, it is characterized in that: the upper section of the side of the lock tongue is
Vertical plane, lower section are inclined-plane, for forming the gap being from top to bottom gradually expanded in the lower section of lock tongue when two lock tongues are closed,
Pass through chamfered transition, the specific structure of the lock tongue elastic telescopic installation between the upper section and lower section at the back side of the lock tongue
Are as follows: the entrance two sides of front fork embedded groove have lock tongue mounting groove, and lock tongue is mounted in the mounting groove, have lock tongue in mounting groove
Spring, for pushing lock tongue elastic telescopic.
11. rideable electric travelling case according to claim 3, it is characterized in that: the turning gear of the oscillating arm mechanisms
It further include bracing wire power nut and straight-line guidance structure, bracing wire power nut is set on screw rod, and bracing wire power nut is in screw rod
Driving under and straight-line guidance structure guiding under move linearly, bracing wire power nut is connect with bracing wire, by bracing wire to
Outer output power.
12. rideable electric travelling case according to claim 11, it is characterized in that: the straight-line guidance structure is specially
Card slot on the inner wall of shell is set, the protrusion of card slot, the bracing wire power spiral shell are specifically embedded on bracing wire power nut
It is female to be arranged close to swing arm, elastic rubber is set between bracing wire power nut and swing arm, and elastic rubber is set on screw rod.
13. rideable electric travelling case described according to claim 1 or 2 or 3 or 4 or 5 or 11 or 12, it is characterized in that: described
Cabinet bottom rear-wheel include pulley and after ride wheel, after wheel of riding be mounted on rear-wheel draw off gear and carry out folding and unfolding, beat
It rides wheel after after opening and cabinet pulley is lifted away from ground together by front-wheel.
14. rideable electric travelling case according to claim 13 leads to it is characterized in that: riding after described and taking turns draw off gear
Cross after being rotated by horizontal collapsed state to the mode folding and unfolding of vertical opening state wheel of riding, after ride and take turns draw off gear in bracing wire
It acts on lower Unscrew and spinning reduction under the action of reset tension spring, bracing wire provides power by oscillating arm mechanisms.
15. rideable electric travelling case according to claim 14 takes turns draw off gear packet it is characterized in that: riding after described
Include rear wheel support, bracing wire and reset tension spring, after wheel of riding be mounted on rear wheel support, rear wheel support is rotatably pacified by shaft
On cabinet, rear wheel support is rotated by horizontal collapsed state to vertical opening state under the action of bracing wire, and is drawn resetting
Spinning reduction under the action of spring.
16. rideable electric travelling case according to claim 14, it is characterized in that: after the rear-wheel draw off gear includes
Wheel support, bracing wire, reset tension spring and drive linkage arrangement, after wheel of riding be mounted on rear wheel support, rear wheel support passes through shaft
It is rotatably installed on cabinet, bracing wire drives rear wheel support to be rotated by horizontal collapsed state to vertical and opens by drive link
State, reset tension spring act on spinning reduction rear wheel support in rear wheel support or drive link, and drive linkage arrangement includes shaking
One end of bar and connecting rod, rocking bar is hinged on cabinet, and the other end of rocking bar and one end of connecting rod are hinged, and the other end of connecting rod is with after
Wheel support is hinged, and rocking bar, connecting rod and rear wheel support constitute rocker device, and the one or both sides of rocking bar have the driving end stretched out,
Bracing wire and reset tension spring are respectively acting on driving end, and drive rocker is swung, and the wobble drive rear wheel support rotation of rocking bar is packed up
And opening, when bracing wire driving rear wheel support is opened to vertical state, rocking bar is limited part limit and rocking bar and connecting rod cross two
The collinear position of person, for forming stuck effect to rear wheel support.
17. rideable electric travelling case according to claim 16, it is characterized in that: the quantity for wheel of riding after described is one
A, rear-wheel draw off gear is ridden after folding and unfolding wheel by way of left rotation and right rotation, and the two sides of rocking bar have the driving end stretched out, bracing wire
Two driving ends of rocking bar are separately connected with reset tension spring, bracing wire drives rear wheel support perpendicular by way of pulling up driving end
It is straight to open；Ride after alternatively, wheel quantity be two, be located at the two sides of cabinet, rear-wheel draw off gear passes through into cabinet
Ride wheel after the mode folding and unfolding of side direction rotation, two rear-wheel draw off gear structures are identical, and are symmetrical arranged, rocking bar with to
The driving end that inside is stretched out, bracing wire and reset tension spring act on driving end, and bracing wire is driven by way of pulling up driving end
Rear wheel support is opened vertically.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538461.7A CN110254581B (en) | 2019-06-20 | 2019-06-20 | Electric suitcase capable of riding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538461.7A CN110254581B (en) | 2019-06-20 | 2019-06-20 | Electric suitcase capable of riding |
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| CN110254581B CN110254581B (en) | 2024-04-05 |
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| CN201910538461.7A Active CN110254581B (en) | 2019-06-20 | 2019-06-20 | Electric suitcase capable of riding |
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| CN110254585A (en) * | 2019-07-11 | 2019-09-20 | 常州舒安车辆有限公司 | The pedal structure of folding electric tricycle |
| CN113768265A (en) * | 2021-10-19 | 2021-12-10 | 杭州职业技术学院 | Intelligence travelling basket that can ride |
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| Publication number | Publication date |
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| CN110254581B (en) | 2024-04-05 |
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