CN108128393A - A kind of Portable folding electric vehicle with duplex retaining mechanism - Google Patents
A kind of Portable folding electric vehicle with duplex retaining mechanism Download PDFInfo
- Publication number
- CN108128393A CN108128393A CN201711312660.3A CN201711312660A CN108128393A CN 108128393 A CN108128393 A CN 108128393A CN 201711312660 A CN201711312660 A CN 201711312660A CN 108128393 A CN108128393 A CN 108128393A
- Authority
- CN
- China
- Prior art keywords
- retaining mechanism
- electric vehicle
- duplex
- portable folding
- front fork
- 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
-
- 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
-
- 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
- B62K21/00—Steering devices
- B62K21/12—Handlebars; Handlebar stems
Abstract
The invention discloses a kind of Portable folding electric vehicles with duplex retaining mechanism, including the steering column hypomere being rotatably located in front vehicle body, front fork is hinged on steering column hypomere, steering column hypomere is locked with front fork by opposite two U-shapeds fork engaging portion by retaining mechanism；Retaining mechanism includes two lock shafts, and two lock shafts are driven by same revolving member forms duplex locking mechanism, and revolving member is connect with lock shaft by connecting rod, and revolving member, lock shaft and connecting rod form slider-crank mechanism.It is preferred that the grip part of the driving handle of revolving member connection is in bolt structure；Driving handle also has the locking safety structure of elastic self-resetting.The invention has the advantages that vehicle locking and unlocking are easy to operate, quick, locking function is reliable；Meanwhile the aftercarriage packing of the door latch type handle doubling poststack using retaining mechanism, reach compact-sizedization purpose, also pass through elastic self-resetting locking safety structure, it is ensured that vehicle is in stable condition during riding and towing.
Description
Technical field
The present invention relates to a kind of electric motor bicycle with folding, more particularly to a kind of portable folding with duplex retaining mechanism is electronic
Vehicle.
Background technology
It electric vehicle ease of use and has been had been more and more widely used with the features such as low stain, especially by folding
Portable structure type after folded mode folding, generally uses at present.But after existing electric vehicle folds, due to failing to reach
Depth folding effect, volume is still bigger than normal, and the advantage of property easy to carry is not not fully exerted.China Patent Publication No.
CN10508344A discloses a kind of Portable folding electric vehicle.The technical solution of this application, including folding handle bar, foldable
Steering column, Collapsible seat, foldable pedal, flexible car body etc., and pass through cleverly internal space design and topology layout shape
The electric vehicle folded into a kind of depth is in the draw-bar box structure of small size after folding, not only easy to carry but also laborsaving.
It is tied nevertheless, pitching hinged cooperation to U-shaped using good two of structural rigidity due to the connection of the electric vehicle steering column and front fork
Structure, retaining mechanism need simultaneously to lock the two side arms of U-shaped fork.But electric vehicle both sides locking is by two locking machines
What structure was realized, locking could be realized by needing to operate respectively twice.Meanwhile to prevent lock pin from deviating from, it is additionally provided with board plug type baffle
Safety structure, prevent set lever because vehicle shake or shake due to cause handle rotate security risk.For this reason, it may be necessary to existing
There is Portable folding trolley to be further improved, simplify locking mechanism, improve operation convenience.
Invention content
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of portable foldings with duplex retaining mechanism
Electric vehicle, the Portable folding electric vehicle are realized by setting direction column by the duplex retaining mechanism that slider-crank mechanism is formed
It is locked simultaneously at the two of the U-shaped structure two side of steering column and front fork, when locking or unlocking, need to only revolving member be driven to rotate
Lock shaft movement is driven to can be realized, it is simple in structure, easy to operate.
To realize foregoing purpose, the present invention adopts the following technical scheme that.
A kind of Portable folding electric vehicle with duplex retaining mechanism, including the direction being rotatably located in front vehicle body
Column hypomere, front fork is hinged on steering column hypomere, and steering column hypomere passes through locking with front fork by opposite two U-shapeds fork engaging portion
Mechanism locks；The retaining mechanism includes two lock shafts, and two lock shafts are driven by same revolving member forms duplex locking
Structure, revolving member are connect with lock shaft by connecting rod, and revolving member, lock shaft and connecting rod form slider-crank mechanism.
Using the present invention of preceding solution, since retaining mechanism includes two lock shafts, two lock shafts are by same
Revolving member drives to form duplex locking mechanism, and revolving member is connect with lock shaft by connecting rod, revolving member, lock shaft and company
Bar forms slider-crank mechanism.Therefore, when locking or unlocking operation, revolving member rotation need to only be driven to drive lock shaft movement
The two side that front fork and steering column U-shaped connecting portion can be realized is locked or is unlocked simultaneously, simple in structure, easy to operate.
Preferably, the front vehicle body rear end is hinged with aftercarriage；The revolving member is connected with driving handle, driving handle
Grip part in bolt structure, after front fork and aftercarriage mutually draw close folding, the grip part of driving handle is to aftercarriage
Form packing.To realize the locking of electric motor bicycle with folding two states using same component, can effectively simplify and cramped construction, and drop
Low cumbersome degree and difficulty.
Preferably, the driving handle also has locking safety structure.To eliminate locking state because vehicle is ridden or is folded
Into the hidden danger for towing the automatic unlocking when vibrating or shake of luggage box shape, it is ensured that the steering column and front fork of vehicle upon deployment
Locking state and fold when front fork and aftercarriage locking state reliable lock.
It is further preferred that the locking safety structure is cooperatively formed by the jackscrew with conehead with card slot or pit,
Card slot or pit are arranged on elastic piece or elastic plate；The jackscrew is screwed on the driving handle；The elastic piece or bullet
Property plate is located on the front fork.To form the safety structure of automatic locking using the elastic force of elastic plate or elastic piece, meanwhile,
The prompting sound of locking in place is there is also during automatic locking, such as " clatter " or " clicker " sound.Elastic piece or elastic plate can be single
It is removable to be fixedly connected on front fork after solely making, also it can be integrally formed on front fork.
Still more preferably, the elastic piece or elastic plate are integrally formed on the front fork.To make full use of driving
The structural thickness setting jackscrew of handle, conducive to simplified and cramped construction；Elastic piece or elastic plate are integrally formed on the front fork
It can avoid that elastic piece or elastic plate is fabricated separately, reduce assembly work amount, reduce manufacture cost.
It is further preferred that the locking safety structure coordinates shape by compressed spring, bulb component and card slot or pit
Into.To form automatic locking by the elastic force of compressed spring, and social resources can be made full use of using commodities purchased spring
Mode reduces part processing capacity, reduces manufacture cost.
Still more preferably, the bulb component activity cooperation is in the mounting hole of the driving handle, and passes through pressure
Contracting spring forms runback bit architecture；The card slot or pit formation are on the front fork.To make full use of the thickness of driving handle
Space sets spring and bulb component, convenient for compact-sizedization.
Still more preferably, the bulb component is made of steel ball or end in hemispherical movable lock pin.Using steel
During pearl, social resources can be made full use of by the way of commodities purchased steel ball or steel ball, reduce part processing capacity, reduction is manufactured into
This.
Preferably, the revolving member is rounded or oval disk-like structure, revolving member are same by torque transferring structure
Walk the connection rotated on the driving shaft, drive shaft is rotatably located on the front fork, and revolving member is distributed by circumferential 180 degree
Crank-pin be respectively articulated with a connecting rod, connecting rod free end is hinged the lock shaft, before two lock shafts are slidably fitted in respectively
In the pilot hole for pitching two side arms；The driving handle is fixedly and coaxially connected in the drive shaft；The steering column hypomere has
U-shaped fork side arm on be formed with the locking hole stretched into for the lock shaft.To be formed, simple in structure, the reliable duplex of function is bent
Handle slide block structure realizes locking.
It is further preferred that the front fork two side arms upper end is respectively formed with an opening up U-shaped fluting；Under steering column
The U-shaped fork side arm of section is stretched into the corresponding U-shaped fluting, and forms slip cooperating relationship.So that steering column is formed with front fork
More solid and reliable locking mechanism.
Still more preferably, the pilot hole also extends through the outer wall formed in the U-shaped fluting two side.To fold
State, the outer wall of lock shaft and U-shaped fluting form connection relation, it is ensured that driving handle is reliable to aftercarriage packing, eliminates electronic
Vehicle is folded into the dragging state after luggage case, and looseness, reduction do not tow noise to vehicle.
It is further preferred that the T-shaped caster bed rank axle construction of drive shaft, the T forming heads portion of drive shaft is located at the front fork
Inside, drive shaft are fixedly connected by outside bar portion with the driving handle.To form the limiting deviate from from front using T forming heads,
So as to simplify structure, it is easily installed.
It is further preferred that the drive shaft is fixedly connected with the driving handle by wearing pin.With ensure connection it is reliable,
It is convenient for disassembly and assembly.
It is further preferred that the torque transferring structure includes polygon prism hole fit structure, oval post holes fit structure, flower
Key fit structure, flat key or woodruff key fit structure.To form the torque transferring structure of reliable synchronization rotation, with process it is simple,
It is convenient to mount and dismount and is selected for principle.
The invention has the advantages that by setting pair being made of crank block slider structure between steering column hypomere and front fork
Locking mechanism is interlocked, vehicle is made to lock and unlock easy to operate, quick, reliable lock；Meanwhile it is driven using the door latch type of retaining mechanism
Fixed handle, packing between the aftercarriage and front fork during to vehicle folding, reaches the compact-sizedization purpose of multi-purpose content, also passes through
The locking safety structure of elastic automatic locking, it is ensured that vehicle is in stable condition reliable during riding and towing.
Description of the drawings
Fig. 1 is the structure diagram of unfolded state of the present invention.
Fig. 2 is front end partial structural diagram of the present invention.
Fig. 3 is the structural representation sectional view of duplex retaining mechanism in the present invention.
Fig. 4 is the partial structural diagram of the embodiment of the present invention 1.
Fig. 5 is the partial structural diagram of the embodiment of the present invention 2.
Fig. 6 is the structure diagram of the first retaining mechanism in the present invention.
Fig. 7 is the structure diagram of the second retaining mechanism in the present invention.
Fig. 8 is the end construction signal axonometric drawing of folded state of the present invention.
Fig. 9 is the front-end architecture signal axonometric drawing of folded state of the present invention.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings, but does not therefore limit the present invention to the implementation
Among example range.
Embodiment 1, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of Portable folding electric vehicle with duplex retaining mechanism, packet
Collapsible seat 5 and two sections of steering columns being hinged are included, steering column hypomere 2 is rotatably located in front vehicle body 17, steering column
Front fork 20 is hinged on hypomere 2, steering column hypomere 2 is locked with front fork 20 by opposite two U-shapeds fork engaging portion by retaining mechanism
Tightly；The retaining mechanism includes two lock shafts 22, and two lock shafts 22 form duplex by the driving of same revolving member 23 and lock
Structure, revolving member 23 are connect with lock shaft 22 by connecting rod 24, and revolving member 23, lock shaft 22 and connecting rod 24 form slide crank
Block mechanism.
Wherein, 17 rear end of front vehicle body is hinged with aftercarriage 21；The revolving member 23 is connected with driving handle 30, drives
The grip part of fixed handle 30 is in bolt structure, after front fork 20 and aftercarriage 21 mutually draw close folding, the gripping of driving handle 30
Portion is to the formation packing of aftercarriage 21；Driving handle 30 also has locking safety structure.Locking safety structure is by having cone
The jackscrew 25 of head is cooperatively formed with card slot or pit 26, and card slot or pit 26 are arranged on elastic piece or elastic plate；The jackscrew
25 are screwed on the driving handle 30；The elastic piece or elastic plate are located on the front fork 20.The elastic piece or elasticity
Plate is integrally formed on the front fork 20.
The revolving member 23 is rounded or oval disk-like structure, and revolving member 23, which passes through torque transferring structure and synchronizes, to be turned
Dynamic is connected in drive shaft 29, and drive shaft 29 is rotatably located on the front fork 20, and revolving member 23 passes through circumferential 180 degree
The crank-pin of distribution is respectively articulated with a connecting rod 24, and 24 free end of connecting rod is hinged the lock shaft 22, and two lock shafts 22 are distinguished
It is slidably fitted in the pilot hole of 20 two side arms of front fork；The driving handle 30 is fixedly and coaxially connected in the drive shaft 29；
The locking hole stretched into for the lock shaft 22 is formed on the U-shaped fork side arm that the steering column hypomere 2 has.The front fork 20
Two side arms upper end is respectively formed with an opening up U-shaped fluting；The U-shaped fork side arm of steering column hypomere 2 stretches into the corresponding U
In shape fluting, and form slip cooperating relationship.The pilot hole also extends through the outer wall formed in the U-shaped fluting two side.Institute
29 T-shaped caster bed rank axle construction of drive shaft is stated, the T forming heads portion of drive shaft 29 is located at 20 inside of front fork, and drive shaft 29 is by outer
Side lever portion is fixedly connected with the driving handle 30.The drive shaft 29 is connected with the driving handle 30 by wearing pin 31 and fixing
It connects.The torque transferring structure include polygon prism hole fit structure, oval post holes fit structure, spline fitted structure, flat key or
Woodruff key fit structure.
Referring to Fig. 6, Fig. 7, Fig. 8, Fig. 9, the first retaining mechanism is equipped between steering column epimere 1 and steering column hypomere 2；In side
Under column unfolded state, as shown in Figure 1, steering column epimere 1 is locked by the first locking bed 3 that lower end is set with steering column hypomere 2
Tightly；Front fork 20 is locked with steering column hypomere 2 by front fork retaining mechanism, and the front vehicle body 17 and aftercarriage 21 being hinged utilize weight
Power is abutted by side and locked together, and the overturning of seat 5 utilizes gravity-pressing in front vehicle body 17 in substantially vertical state, in institute
The upper end for stating steering column epimere 1 is equipped with the second locking bed 4 for forming the second retaining mechanism, under steering column folded state, direction
Column epimere 1 is locked by the second locking bed 4 with seat 5.
Wherein, first retaining mechanism uses camlock structure；Second retaining mechanism is using movable bolt lock
Locking structure；Second locking bed 4 is equipped with the jack being inserted into for lock tongue 6 and guiding surface 4a；The lock tongue 6 is set by lock tongue seat 7
On the seat 5.6 front end of lock tongue is in wedge structure, and lock tongue 6 is slidably fitted in the pilot hole of the lock tongue seat 7, lock tongue 6
Resetting spring 8 is equipped between lock tongue seat 7.6 tail end of lock tongue is equipped with push-and-pull journal stirrup 6a, and journal stirrup 6a is equipped with perforation
6b。
In tubular construction, steering column epimere 1 also forms a part for telescopic lever to the steering column epimere 1, and described first
Locking bed 3 is enclosed in 1 outside lower end of steering column epimere；Steering column epimere 1 forms the base section of the telescopic lever, telescopic lever
It equipped with latter end telescopic joint 9, is connected between latter end telescopic joint 9 and base section by an intermediate warp section, latter end telescopic joint 9 and basis
Section bottom is equipped with the magnetic coupling component for including permanent magnet 10.Permanent magnet 10 is fixedly connected on 9 inner end of latter end telescopic joint；Institute
The pore bottom for stating base section is fixedly connected with the magnet steel of the permanent magnet 10 formation magnetic coupling or by ferrite material
Manufactured armature 11；And permanent magnet 10 is set by plastic tip 12, and plastic tip 12 is fixedly connected on the latter end and stretches
9 inner end of casing coupling；The magnet steel or armature 11 are fixedly connected on second locking bed 4.9 outer end of latter end telescopic joint is equipped with
Collapsible handle 13.To be hidden in steering column epimere together with the telescopic joint of end after the folding of pull rod handle, and when pulling out
After unfolded handle, pull rod and luggage box-like folded state electric vehicle are pulled using handle.
The camlock structure includes lock cam 14, and lock cam 14 is set by swing rod 15, and swing rod 15 is hinged on
On the connecting seat 16 on 2 top of steering column hypomere, which is combined locking shape by top surface with 3 bottom surface of the first locking bed
Into the unfolded state of steering column, the side of the first locking bed 3 is equipped with the first fluting 3a for avoiding the swing rod 15.The swing rod 15
Lower end forms swing rod head 18, and 18 middle part of swing rod head is equipped with articulated shaft 19, and articulated shaft 19 is located on the connecting seat 16, connecting seat
16 are equipped with the second fluting 16a for accommodating the swing rod head 18, and second slots 16a for preventing 15 horizontal looseness of swing rod.
Cam attacker 14a is formed on lock cam 14.To facilitate steering column epimere and hypomere locking operation, wheel attacker 14a is in
Trim shape；The steering column hypomere 2 is set by the direction column tube set in front vehicle body 17, and front vehicle body 17 is equipped with the pendulum
15 escape groove of bar, after the steering column hypomere 2 folding, cam attacker 14a can be fastened on 17 leading flank of front vehicle body.
The present invention is by the dead bolt retaining mechanism that is set between steering column epimere and seat, and utilization orientation column epimere is set
Magnetic coupling structure telescopic lever is put, the locking for not only making vehicle folding into luggage box-like state is secured, reliable, pulls, dragging fortune
Row stability is good, without hidden danger of tumbling, tows low noise；Pull rod scaling operation is simply, conveniently；And vehicle is in the ride of expansion
In, steering operation is reliable.
Embodiment 2, referring to Fig. 5, the locking safety structure passes through compressed spring 27, bulb component 28 and card slot or pit
26 cooperatively form.The 28 activity cooperation of bulb component passes through compressed spring 27 in the mounting hole of the driving handle 30
Form runback bit architecture；The card slot or pit 26 are formed on the front fork 20.The bulb component 28 is by steel ball or end
It is formed in hemispherical movable lock pin.
End also can be used in hemispherical movable lock pin in bulb component 28 in the present embodiment, wherein, the hemisphere of end
Face coordinates with groove or pit, and movable lock pin passes through 27 automatic telescopic of compressed spring.
Remaining structure of the present embodiment is same as Example 1, and details are not described herein.
The preferred embodiment of the present invention described in detail above.It should be appreciated that those of ordinary skill in the art without
Creative work is needed according to the present invention can to conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (14)
1. a kind of Portable folding electric vehicle with duplex retaining mechanism, including the side being rotatably located in front vehicle body (17)
To column hypomere (2), front fork (20) is hinged on steering column hypomere (2), steering column hypomere (2) is with front fork (20) by opposite two
It is locked by retaining mechanism U-shaped fork engaging portion；It is characterized in that, the retaining mechanism includes two lock shafts (22), two locks
Mandrel (22) forms duplex locking mechanism by same revolving member (23) driving, and revolving member (23) passes through company with lock shaft (22)
Bar (24) connects, and revolving member (23), lock shaft (22) and connecting rod (24) form slider-crank mechanism.
2. the Portable folding electric vehicle according to claim 1 with duplex retaining mechanism, which is characterized in that before described
Car body (17) rear end is hinged with aftercarriage (21)；The revolving member (23) is connected with driving handle (30), driving handle (30)
Grip part in bolt structure, after front fork (20) and aftercarriage (21) mutually draw close folding, the grip part of driving handle (30)
To form packing to aftercarriage (21).
3. the Portable folding electric vehicle according to claim 1 with duplex retaining mechanism, which is characterized in that the drive
Fixed handle (30) also has locking safety structure.
4. the Portable folding electric vehicle according to claim 3 with duplex retaining mechanism, which is characterized in that the lock
Only safety structure is cooperatively formed by the jackscrew (25) with conehead with card slot or pit (26), and card slot or pit (26) are arranged on
On elastic piece or elastic plate；The jackscrew (25) is screwed on the driving handle (30)；The elastic piece or elastic plate are located at
On the front fork (20).
5. the Portable folding electric vehicle according to claim 4 with duplex retaining mechanism, which is characterized in that the bullet
Property piece or elastic plate are integrally formed on the front fork (20).
6. the Portable folding electric vehicle according to claim 3 with duplex retaining mechanism, which is characterized in that the lock
Only safety structure is cooperatively formed by compressed spring (27), bulb component (28) and card slot or pit (26).
7. the Portable folding electric vehicle according to claim 6 with duplex retaining mechanism, which is characterized in that the ball
Head component (28) activity cooperation passes through compressed spring (27) and forms Self-resetting knot in the mounting hole of the driving handle (30)
Structure；The card slot or pit (26) are formed on the front fork (20).
8. the Portable folding electric vehicle according to claim 6 with duplex retaining mechanism, which is characterized in that the ball
Head component (28) is made of steel ball or end in hemispherical movable lock pin.
9. the Portable folding electric vehicle with duplex retaining mechanism according to any one in claim 1~8, special
Sign is, the revolving member (23) is rounded or oval disk-like structure, revolving member (23) are same by torque transferring structure
Step rotation is connected in drive shaft (29), and drive shaft (29) is rotatably located on the front fork (20), revolving member (23)
The crank-pin being distributed by circumferential 180 degree is respectively articulated with a connecting rod (24), and connecting rod (24) free end is hinged the lock shaft
(22), two lock shafts (22) are slidably fitted in respectively in the pilot hole of front fork (20) two side arms；The driving handle (30) is coaxial
It is fixedly connected in the drive shaft (29)；It is formed on the U-shaped fork side arm that the steering column hypomere (2) has for the lock
The locking hole that mandrel (22) stretches into.
10. the Portable folding electric vehicle according to claim 9 with duplex retaining mechanism, which is characterized in that described
Front fork (20) two side arms upper end is respectively formed with an opening up U-shaped fluting；The U-shaped fork side arm of steering column hypomere (2) stretches into
In the corresponding U-shaped fluting, and form slip cooperating relationship.
11. the Portable folding electric vehicle according to claim 10 with duplex retaining mechanism, which is characterized in that described
Pilot hole also extends through the outer wall formed in the U-shaped fluting two side.
12. the Portable folding electric vehicle according to claim 9 with duplex retaining mechanism, which is characterized in that described
The T-shaped caster bed rank axle construction of drive shaft (29), the T forming heads portion of drive shaft (29) are located on the inside of the front fork (20), drive shaft
(29) it is fixedly connected by outside bar portion with the driving handle (30).
13. the Portable folding electric vehicle according to claim 9 with duplex retaining mechanism, which is characterized in that described
Drive shaft (29) is fixedly connected with the driving handle (30) by wearing pin (31).
14. the Portable folding electric vehicle according to claim 9 with duplex retaining mechanism, which is characterized in that described
Torque transferring structure includes polygon prism hole fit structure, oval post holes fit structure, spline fitted structure, flat key or woodruff key and matches
Close structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711312660.3A CN108128393A (en) | 2017-12-11 | 2017-12-11 | A kind of Portable folding electric vehicle with duplex retaining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711312660.3A CN108128393A (en) | 2017-12-11 | 2017-12-11 | A kind of Portable folding electric vehicle with duplex retaining mechanism |
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| Publication Number | Publication Date |
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| CN108128393A true CN108128393A (en) | 2018-06-08 |
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ID=62389247
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711312660.3A Pending CN108128393A (en) | 2017-12-11 | 2017-12-11 | A kind of Portable folding electric vehicle with duplex retaining mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113060232A (en) * | 2021-03-04 | 2021-07-02 | 上海喜摩电动科技有限公司 | Foldable electric scooter and folding method |
| CN113958830A (en) * | 2021-09-07 | 2022-01-21 | 瑞鼎工业技术(昆山)有限公司 | Portable multisection medical treatment support arm of quick auto-lock |
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|---|---|---|---|---|
| CN113060232A (en) * | 2021-03-04 | 2021-07-02 | 上海喜摩电动科技有限公司 | Foldable electric scooter and folding method |
| CN113060232B (en) * | 2021-03-04 | 2022-06-24 | 上海喜摩电动科技有限公司 | Foldable electric scooter and folding method |
| CN113958830A (en) * | 2021-09-07 | 2022-01-21 | 瑞鼎工业技术(昆山)有限公司 | Portable multisection medical treatment support arm of quick auto-lock |
| CN113958830B (en) * | 2021-09-07 | 2023-02-28 | 瑞鼎工业技术(昆山)有限公司 | Portable multisection medical treatment support arm of quick auto-lock |
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Application publication date: 20180608 |
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