CN105923090A - Foldable electric vehicle and vehicle frame thereof - Google Patents
Foldable electric vehicle and vehicle frame thereof Download PDFInfo
- Publication number
- CN105923090A CN105923090A CN201610317051.6A CN201610317051A CN105923090A CN 105923090 A CN105923090 A CN 105923090A CN 201610317051 A CN201610317051 A CN 201610317051A CN 105923090 A CN105923090 A CN 105923090A
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- Prior art keywords
- support
- limiting section
- foldable
- vehicle frame
- pivotal part
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Classifications
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- 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
Abstract
The invention discloses a foldable vehicle frame. The foldable vehicle frame comprises a first support, a second support and a pin shaft. The second support penetrates through the first support to form an X shape, and the second support and the first support can be pivoted mutually. The first support is provided with a limiting hole where the second support can penetrate through and limiting parts. The portion, on one side of each limiting part, of the limiting hole forms a receding notch used for avoiding the second support. The foldable vehicle frame has the beneficial effects that through the foldable X-shaped vehicle frame, the occupied space of the folded vehicle frame is reduced. The invention further discloses a foldable electric vehicle using the design of the foldable vehicle frame. The foldable electric vehicle comprises a direction control device which is connected with the vehicle frame in a pivoted mode. After the electric vehicle is folded, the upper included angle of the X shape is smaller than that before the electric vehicle is folded. The electric vehicle has the beneficial effects that after the electric vehicle is folded, the length of the vehicle frame is shortened, and the portability is improved.
Description
[technical field]
The present invention relates to a kind of walking-replacing tool and accessory thereof, particularly relate to a kind of Foldable electric vehicle and vehicle frame thereof.
[background technology]
Along with the development of low-carbon economy, China's electric motor car industry presents high speed development state.At present electric motor car is of a great variety, configurations, but the most all exist car body more greatly, the problem such as deposit heavier, inconvenient, so electric motor bicycle with folding arises at the historic moment.But electric motor bicycle with folding, fold rear wheel lays the difficult point typically designed.Therefore, wheel is one of emphasis of research and development in the position that car body folds.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of convenient vehicle frame folded.
For solving above-mentioned technical problem, the present invention provides following technical scheme:
Including the first support, the second support and bearing pin, the second support runs through first puts up X-shaped, and the first support, the second support can be pivoted by bearing pin between expanded position and stowed position；First support is provided with spacing hole and in order to limit the limiting section of the second support pivot angle range, and the spacing hole part of the side being positioned at limiting section is formed and dodges breach in order to dodge that the second support folds；When foldable chassis is in the deployed, the second support abuts with limiting section, and when foldable chassis is in stowed position, the part support body of the second support is positioned at dodges breach.
Further, described limiting section includes the first limiting section and the second limiting section, and this two limiting section extends from the two of spacing hole relative end walls respectively；Described breach of dodging includes that first dodges breach and second and dodge breach；The downside of the first limiting section forms described first and dodges breach, and the upside of the second limiting section forms described second and dodges breach.
Further, described first limiting section extends from the upper edge of the first end wall of spacing hole, and the second limiting section extends from the middle and lower part of the second end wall of spacing hole.
Further, the bottom of described each limiting section is provided with bolster, and bolster includes the installation portion being fixed on bottom limiting section and is positioned at limiting section front end in order to the abutting part abutted with the second support.
Further, described bearing pin being set with the limiting gasket moved axially limiting the second support along bearing pin, the side of limiting gasket abuts with the first support, and opposite side and the second support abut.
Further, described first support includes the first split, the second split and connector, and the first split and the second split are detachably fixed by connector and are connected, and described spacing hole and limiting section are positioned on connector.
Further, the side of described connector is provided with to lock the locking piece of two stands；Described locking piece is lock pin, and described second support is provided with the first locking hole and the second locking hole coordinated with lock pin；When the second support is in the deployed, lock pin and the first locking hole connect, and connect when the second support is in stowed position, lock pin and the second locking hole.
Foldable chassis of the present invention has the advantages that
After X-member frame folds, its space hold is less.
Present invention further teaches a kind of Foldable electric vehicle utilizing above-mentioned foldable chassis to design, it is provided that technical scheme as follows:
Including direction-control apparatus, front vehicle wheel, rear wheel, the first pivotal part, the second pivotal part and above-mentioned foldable chassis, direction-control apparatus is connected by the first pivotal part and the first support, connected by the second pivotal part and the second support, front vehicle wheel is installed on steering control device, and rear wheel is installed on the second support.
Further, it is 90 degree that described first pivotal part can hold the maximum angle of the first support rotation, and it is 180 degree that described second pivotal part can hold the maximum angle of the second support rotation.
Further, described direction-control apparatus includes that handle, pole, described handle are provided with length adjustment bar, and length adjustment bar is detachably fixed with pole and is connected, and front vehicle wheel is installed under pole；Described first pivotal part is provided with the first axle sleeve, and the second pivotal part is provided with the second axle sleeve, and the first pivotal part is sleeved on length adjustment bar movably by the first axle sleeve, and the second pivotal part is rotatably mounted around on pole by the second axle sleeve.
Foldable electric vehicle of the present invention has the advantages that
The present invention passes through collapsible X vehicle frame, the contraction in length of folding rear carriage, improves portability.
Further, the present invention is by arranging spacing hole at the medium position of the first support, and the second support runs through this spacing hole, and bearing pin crosses first, second support, eliminates the shearing force of bearing pin, increases the service life；Arranging two limiting sections and enhance the bearing capacity of support, arrange and dodge breach, at vehicle frame stowed position, the part support body of the second support can invade dodges in breach so that the upper angle of X-shaped is less, and it is shorter that vehicle frame folds.
[accompanying drawing explanation]
Fig. 1 is the schematic perspective view that electric motor car of the present invention is in deployed condition.
Fig. 2 is the schematic perspective view that electric motor car of the present invention is in folded state.
Fig. 3 is vehicle frame schematic perspective view of the present invention.
Fig. 4 is the present invention the first support decomposing schematic representation.
Fig. 5 is connector decomposing schematic representation of the present invention.
Fig. 6 is A-A cross-sectional schematic shown in Fig. 3 that the spacing connector of the present invention coordinates with support bar.
Fig. 7 is the decomposing schematic representation that the present invention the second support is connected with rear wheel, battery case.
Fig. 8 is amortisseur decomposing schematic representation of the present invention.
Fig. 9 is the B-B cross-sectional schematic as shown with 7 that amortisseur of the present invention is connected with support bar.
Figure 10 is the decomposing schematic representation that support bar of the present invention is connected with battery case.
Figure 11 is mounting plates structure schematic diagram of the present invention.
[detailed description of the invention]
Illustrated in greater detail embodiments of the present invention below in conjunction with the accompanying drawings, embodiments of the invention are to further explain the present invention, rather than limit protection scope of the present invention.
As depicted in figs. 1 and 2, a kind of Foldable electric vehicle, including the X-shaped that can fold vehicle frame 2, be installed on vehicle frame 2 front end direction-control apparatus 1, be installed on direction-control apparatus 1 lower end front vehicle wheel 3, be installed on vehicle frame 2 after upper end vehicle seat 6, be installed on the rear wheel 4 of vehicle frame 2 posterior end, be installed on the battery case 5 of vehicle frame 2 rear lower by inserting mode, direction-control apparatus 1 is connected with vehicle frame 2 by a pivoting device.Vehicle frame 2 can switch between expanded position and stowed position, and after electric motor car folds, the upper angle of X-shaped diminishes than before folding, and vehicle frame 2 contraction in length, portability is improved.
Direction-control apparatus 1 includes front support rod, the handle axially turned on, and handle is provided with length adjustment bar, and handle is by length adjustment bar grafting and is locked in front support rod；Described pivoting device includes the first pivotal part and the second pivotal part, first pivotal part is provided with the first axle sleeve, second pivotal part is provided with the second axle sleeve, and the first pivotal part is sleeved on length adjustment bar movably by the first axle sleeve, and the first pivotal part can rotate and move axially by relative accommodation bar；Second pivotal part is rotatably mounted around on front support rod by the second axle sleeve, and the left and right sides of the second axle sleeve is separately installed with can upwards convert into foot-operated, equivalent after the space that takies when can eliminate foot-operated expansion.Equipped with front wheel carrier under front support rod, front vehicle wheel 3 is installed in rotation on front wheel carrier.First axle sleeve includes inside and outside two parts, and inside is plastic material, protects length adjustment bar, and outside is metal material, good mechanical property.Direction-control apparatus 1 is by the front upper end thereof of the first pivotal part with the vehicle frame 2 of X-shaped, hinged with the front lower end of vehicle frame 2 by the second pivotal part, it is simple to vehicle frame folds and launches, and direction controlling.
As it is shown on figure 3, above-mentioned vehicle frame 2 includes the first support the 21, second support 22 and bearing pin 23, the second support 22 is run through the first support 21 and becomes X-shaped structure, the first support 21 and the second support 22 can be pivoted between expanded position and stowed position by bearing pin 23.Vehicle frame is provided with the first locking piece in order to locking the second support 22, by the first locking piece locking frame 2, not redeformation, Stability Analysis of Structures；First pivotal part is hinged with vehicle frame 2 by the first support 21, and the second pivotal part is hinged with vehicle frame 2 by the second support 22, thus direction controlling part is rotatable；It is 90 degree that first pivotal part can hold the maximum angle that the first support rotates up and down, and it is 180 degree that the second pivotal part can hold the maximum angle that the second support rotates up and down, thus vehicle frame is collapsible.
Being set with two limiting gasket 231,232 on above-mentioned bearing pin 23, the side of limiting gasket 231,232 abuts with the first support 21, and opposite side and the second support 22 abut, and limits the second support 22 and moves left and right；Limiting gasket includes but not limited to plastic washer, silicone gasket, plastic washer, plays lubrication protection effect, reduces the abrasion between the first support 21 and the second support 22, improves the service life of support；Plastic washer also has the elasticity of trace, can be crowded with gap axial along bearing pin 23 between the inwall of spacing hole and the second support 22.
As shown in Figure 4, above-mentioned first support 21 includes the first split the 211, second split 212 and connector 213, and one end of connector 213 and the first split 211 fixing are connected by a pin, the other end fixes connection with the second split 212 by a pin；The rear end of the second split 212 is provided with the back stay turned on up and down for installing vehicle seat 6.Baroque connector 213 is separated, facilitates production and processing.First pivotal part is connected with the first support 21 by the first split 211.
As shown in Figure 5 and Figure 6, connector 213 is provided with the spacing hole that can be run through by the second support about 22 and in order to limit the limiting section of the second support 22 angle rotatable scope, the left and right sides of connector 213 is provided with to place the coaxial axis hole of bearing pin 23, limiting section includes the first limiting section 2131 and the second limiting section 2132, the top edge of the first limiting section 2,131 first end wall 2135 on front side of spacing hole extends, the middle and lower part of the second limiting section 2,132 second end wall 2136 on rear side of spacing hole extends, spacing hole on the downside of first limiting section 2131 is formed in part with first and dodges breach, spacing hole on the upside of second limiting section 2132 is formed in part with second and dodges breach.The bottom of first, second limiting section 2131,2132 is provided with bolster; can shock-absorbing and noise reduction; and protect vehicle frame; this bolster includes and the installation portion being connected bottom first, second limiting section 2131,2132 and the abutting part abutted with the second support, thus protects the second support 22 and first, second limiting section 2131,2132.This bolster includes but not limited to rubber parts, silica gel part, working of plastics etc., it is preferably L-shaped rubber parts, one limit of L-shaped is detachably secured to the downside of first, second limiting section 2131,2132 by screw, and another limit upwards folding and sticking is in the edge of first, second limiting section 2131,2132.First locking piece is the first lock pin 24 and the side being positioned at connector 213, and preferably resilient plunger is easy to use.The preferably rectangular hole of spacing hole, can reduce lateral space hold.
When vehicle frame 2 is in the deployed, the second support 22 abuts with rubber parts 2133,2134 simultaneously, plays the stable and effect of protection vehicle frame, reduces collision noise.When vehicle frame 2 is in stowed position, the portion support body of the second support 22 is positioned at first and dodges breach and second and dodge breach, it is to avoid interfere make to fold the compactest.This connector 213 is formed in one part, has higher intensity, and the side of connector 213 is that S is streamlined, elegant in appearance.The present embodiment uses rectangular opening, reduces and takies left and right lateral space, and spacing hole can be circle, polygon, irregular shape in other embodiments, as long as enough second supports 22 of its size intert.
Above-mentioned vehicle seat 6 includes the connecting rod being plugged on back stay, is basically perpendicular to the pole that connecting rod extends, the two dish type seat cushions being installed on pole, and this two dish types seat cushion is installed on pole collapsibly.When two seat cushions launch, jointly support bicyclist；Two seat cushions can be folded down, and advantageously reduces height, and is mutually symmetrical, adds aesthetic property.
As shown in Figure 7, second support 22 is support bar, support bar is provided with the first locking hole 221 and the second locking hole 222 coordinated with above-mentioned first lock pin 24, when vehicle frame 2 is in the deployed, first lock pin 24 is connected with the first locking hole 221, and when vehicle frame 2 is in stowed position, the first lock pin 24 is connected with the second locking hole 222, thus realizing latch functions so that vehicle frame is in steady statue.The rear end of support bar is provided with amortisseur 25, improves the comfort rided, and amortisseur 25 rear end is provided with rear wheel frame 26, and rear wheel frame 26 has been pivotably mounted spike 27, and spike 27 can pivot between support position and curling position, conveniently parks；Rear wheel 4 is installed in rotation on rear wheel frame 26.Battery case 5 is positioned at support bar side upward, takes full advantage of the space of vehicle frame 2, and does not interferes with vehicle frame 2 and fold.
As shown in Figure 8, amortisseur 25 includes connecting seat 251, union joint 253 and the elastic device 252 of in-line, connect seat 251 and be provided with the first groove 2511, union joint 253 is provided with the second groove 2531, union joint 253 is partially submerged in the first groove 2511, and be pivotably connected by an axle, compact conformation.One end of elastic device 252 be connected that seat 251 fixing connects, the other end is connected with union joint 253；Union joint 253, distribution triangular in shape between connection seat 251 and the most interconnective position of elastic device 252, constitute a triangle amortisseur adapting to rotate, and is suitable for support bar and ground is at an acute angle or the use scene at obtuse angle.Amortisseur 25 is connected with support bar by connecting seat 251, is connected with rear wheel frame 26 by union joint 253.
As shown in Figure 9, above-mentioned elastic device 252 can absorb axial vibrations, it includes axis 2523, elastic component, spacing catch 2528, first contiguous block 2521 and the second contiguous block 2522, spacing catch 2528 and the first contiguous block 2521 are removably installed in the two ends of axis 2523 respectively by screw thread, second contiguous block 2522 is sleeved on axis 2523 slidably, it is positioned at the homonymy of the first contiguous block 2521, shorten first, second contiguous block 2521, distance between 2522, first contiguous block 2521 can pull axis 2523 by relative second contiguous block 2522, realize elastic shock attenuation；It is provided with the first buffer compartment off member 2527 between first contiguous block 2521 and the second contiguous block 2522; first buffer compartment off member 2527 includes but not limited to rubber washer, silicone gasket, plastic washer etc., can protect first, second contiguous block 2521,2522 and reduce collision noise.Elastic component is sleeved on axis 2523, utilizes elastic shock-suction.Elastic component is between spacing catch 2528 and the second contiguous block 2522, elastic component includes spring 2525 and elastic rubber sleeve 2524, elastic rubber sleeve 2524 is positioned in the inner ring of spring 2525, elastic rubber sleeve 2524 includes but not limited to rubber sleeve, silica gel sheath, dual elastic component of different nature can bear bigger impact load, making up deficiency each other, service life is long；The external diameter of elastic rubber sleeve 2524, equal to the internal diameter of spring 2525, makes full use of the space of spring 2525 inner ring；Spring 2525 is in compressive state, avoid movable noise, it is provided with the second buffer compartment off member 2526 between axis 2523 and the second contiguous block 2522, second buffer compartment off member 2526 includes but not limited to rubber axle sleeve, silica gel axle sleeve, plastic sleeve, can reduce the abrasion between axis 2523 and the second contiguous block 2522 and movable noise.Second contiguous block 2522 is partially submerged in the first groove 2511, and is connected with being connected seat 251 by an axle, and elastic device 252 fixes connection by the second contiguous block 2522 with being connected seat 251；First contiguous block 2521 is provided with connecting hole, and the first contiguous block 2521 is partially submerged in the second groove 2531, and is connected with union joint 253 by an axle, and axis 2523 is connected with union joint 253 by the connecting hole of the first contiguous block 2521, compact conformation.Union joint 253 relatively connects seat 251 and pivots, and pulls axis 2523 to order about elastic component compression, thus realizes rotating oscillation damping.
Support bar is provided with the cavity in order to accommodating elastic device 252, and a part for elastic device 252 is positioned at cavity, plays the effect hiding and protecting elastic device 252; improve space availability ratio; increasing aesthetic property, axis 2523 can move axially by relative support, thus can realize shock-absorbing function.
As shown in FIG. 10 and 11, side upward, the rear portion of support bar is detachably provided with installing plate 51 by screw, it is simple to dismounting；Installing plate 51 is provided with two chutes be arrangeding in parallel 511, battery case 5 is arranged below two guide rails be arrangeding in parallel 56 coordinated with chute 511, by chute 511 and guide rail 56 grafting between battery case 5 and installing plate 51, facilitating the dismounting of battery case 5, two chutes 511 and guide rail 56 splicing stability are more preferable；Electric motor car is provided with to lock the lockable mechanism of relativeness between installing plate 51 and battery case 5.Described chute 511 includes but not limited to C-channel and dovetail groove.
Above-mentioned lockable mechanism includes the elastic component being arranged between installing plate 51 with battery case 5 and abutting with battery case 5, prevent battery case 5 from trembleing along the normal direction of installing plate 51, this elastic component includes two elastic bulb stoppers 52,53, easy to use, two elastic bulb stoppers 52,53 are basically perpendicular to installing plate 51 and are positioned at the diagonal side of chute 511, stability is more preferable, elastic bulb stopper 52,53 has one end of ball and withstands the bottom of battery case 5 and provide lubrication when battery case 5 grafting is installed；Installing plate 51 is provided with the installing hole 512,513 in order to accommodating elastic bulb stopper 52,53, and easy disassembly positions.Lockable mechanism also includes being arranged on installing plate 51 the second locking piece slided in order to locking chute 511 opposite rail 56, this second locking piece is the second lock pin 55, preferably resilient plunger, easy to use, battery case 5 is provided with the 3rd locking hole 54 coordinated with the second lock pin 55；After battery case 5 is plugged on the chute 511 of installing plate 51 by guide rail 56, the second lock pin 55 is connected with the 3rd locking hole 54, prevents battery case 5 to be mounted opposite plate about 51 lateral sliding.
Resilient plunger in the present embodiment is a kind of pin class standard part, and it is to be provided with preloading spring in hollow bolt vertically to abut the assembly of flexible pin, and flexible pin runs through one end of hollow bolt, and the other end is provided with to pull the handle of flexible pin, easy to use.Elastic bulb stopper is to be provided with preloading spring in loop bar vertically to abut the assembly of steel ball, and a part for steel ball exposes one end of loop bar, and the other end is closed by plug.
Having the beneficial effects that of the present embodiment:
The vehicle frame of the X-shaped by folding, after folding, vehicle frame contraction in length, space hold reduces.
Running through first by the second support and put up X-shaped, two stands pivots relative to bearing pin, reduces the shearing force of bearing pin, improves the service life of bearing pin.It is arranged on the limiting section on spacing hole wall and can abut the second support at vehicle frame expanded position, assume responsibility for the main loads during vehicle frame uses, the breach of dodging that the spacing hole part of this limiting section side is formed can be when vehicle frame be in stowed position, the part support body of the second support can invade dodges in breach, the upper angle making X-shaped is less, and it is shorter that vehicle frame folds.
Battery case is arranged on the outside on one limit, downside of the vehicle frame of X-shaped, convenient dismounting by inserting mode, takes full advantage of the space of the vehicle frame of X-shaped, does not the most affect folding；Further, two lockable mechanisms for different directions are set between battery case and installing plate, both can prevent battery case from the most surprisingly sliding, the gap between chute and guide rail can be eliminated again.
The amortisseur of triangularity it is connected with each other by connecting seat, union joint and elastic device, connect seat to be pivoted relative to each other with union joint, and pull elastic device to realize shock-absorbing function by union joint, there is stable structure and the adaptive ability to setting angle, improve service life and the damping efficiency of amortisseur.On support bar, it is provided with cavity further, amortisseur is hidden in the cavity of support bar, simplify outward appearance.
Claims (10)
1. a foldable chassis, it is characterised in that: including the first support, the second support and bearing pin, the second support runs through first puts up X-shaped, and the first support, the second support can be pivoted by bearing pin between expanded position and stowed position；
First support is provided with spacing hole and in order to limit the limiting section of the second support pivot angle range, and the spacing hole part of the side being positioned at limiting section is formed and dodges breach in order to dodge that the second support folds；
When foldable chassis is in the deployed, the second support abuts with limiting section, and when foldable chassis is in stowed position, the part support body of the second support is positioned at dodges breach.
2. foldable chassis as claimed in claim 1, it is characterised in that: described limiting section includes the first limiting section and the second limiting section, and this two limiting section extends from the two of spacing hole relative end walls respectively；Described breach of dodging includes that first dodges breach and second and dodge breach；The downside of the first limiting section forms described first and dodges breach, and the upside of the second limiting section forms described second and dodges breach.
3. foldable chassis as claimed in claim 2, it is characterised in that: described first limiting section extends from the upper edge of the first end wall of spacing hole, and the second limiting section extends from the middle and lower part of the second end wall of spacing hole.
4. the foldable chassis as described in any one of claims 1 to 3, it is characterized in that: the bottom of described each limiting section is provided with bolster, bolster includes the installation portion being fixed on bottom limiting section and is positioned at limiting section front end in order to the abutting part abutted with the second support.
5. foldable chassis as claimed in claim 1, it is characterised in that: being set with the limiting gasket moved axially limiting the second support along bearing pin on described bearing pin, the side of limiting gasket abuts with the first support, and opposite side and the second support abut.
6. foldable chassis as claimed in claim 1, it is characterised in that: described first support includes the first split, the second split and connector, and the first split and the second split are detachably fixed by connector and are connected, and described spacing hole and limiting section are positioned on connector.
7. foldable chassis as claimed in claim 6, it is characterised in that: the side of described connector is provided with to lock the locking piece of two stands；
Described locking piece is lock pin, and described second support is provided with the first locking hole and the second locking hole coordinated with lock pin；
When the second support is in the deployed, lock pin and the first locking hole connect, and connect when the second support is in stowed position, lock pin and the second locking hole.
8. a Foldable electric vehicle, it is characterized in that: include direction-control apparatus, front vehicle wheel, rear wheel, the first pivotal part, the second pivotal part and the foldable chassis according to any one of claim 1 to 7, direction-control apparatus is connected by the first pivotal part and the first support, connected by the second pivotal part and the second support, front vehicle wheel is installed on steering control device, and rear wheel is installed on the second support.
9. Foldable electric vehicle as claimed in claim 8, it is characterised in that: it is 90 degree that described first pivotal part can hold the maximum angle of the first support rotation, and it is 180 degree that described second pivotal part can hold the maximum angle of the second support rotation.
10. Foldable electric vehicle as claimed in claim 8 or 9, it is characterised in that: described direction-control apparatus includes that handle, pole, described handle are provided with length adjustment bar, and length adjustment bar is detachably fixed with pole and is connected, and front vehicle wheel is installed under pole；
Described first pivotal part is provided with the first axle sleeve, and the second pivotal part is provided with the second axle sleeve, and the first pivotal part is sleeved on length adjustment bar movably by the first axle sleeve, and the second pivotal part is rotatably mounted around on pole by the second axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317051.6A CN105923090B (en) | 2016-05-13 | 2016-05-13 | Foldable electric vehicle and its vehicle frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610317051.6A CN105923090B (en) | 2016-05-13 | 2016-05-13 | Foldable electric vehicle and its vehicle frame |
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| CN105923090A true CN105923090A (en) | 2016-09-07 |
| CN105923090B CN105923090B (en) | 2018-08-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492451A (en) * | 2016-10-27 | 2017-03-15 | 临海市金亚特休闲用品有限公司 | The folding sand hill table for game of a kind of table pin |
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| Publication number | Publication date |
|---|---|
| CN105923090B (en) | 2018-08-17 |
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