CN111003091A - Foldable electric vehicle and frame lock thereof - Google Patents

Foldable electric vehicle and frame lock thereof Download PDF

Info

Publication number
CN111003091A
CN111003091A CN201811168424.3A CN201811168424A CN111003091A CN 111003091 A CN111003091 A CN 111003091A CN 201811168424 A CN201811168424 A CN 201811168424A CN 111003091 A CN111003091 A CN 111003091A
Authority
CN
China
Prior art keywords
frame
electric vehicle
positioning member
disposed
foldable electric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811168424.3A
Other languages
Chinese (zh)
Inventor
于林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Yiyingli Science & Technology Co ltd
Original Assignee
Beijing Yiyingli Science & Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Yiyingli Science & Technology Co ltd filed Critical Beijing Yiyingli Science & Technology Co ltd
Priority to CN201811168424.3A priority Critical patent/CN111003091A/en
Priority to PCT/CN2018/109468 priority patent/WO2020073195A1/en
Priority to US17/283,541 priority patent/US11904976B2/en
Priority to EP23179854.7A priority patent/EP4234382A3/en
Priority to EP18936508.3A priority patent/EP3865385A4/en
Publication of CN111003091A publication Critical patent/CN111003091A/en
Pending legal-status Critical Current

Links

Images

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
    • B62K15/006—Collapsible or foldable cycles the frame being foldable
    • 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
    • B62K2204/00—Adaptations for driving cycles by electric motor

Abstract

The invention provides a foldable electric vehicle, which comprises a vehicle front body, a vehicle frame, a vehicle seat, a power supply, a group of wheels and a driving motor, wherein the vehicle front body is pivotally arranged on the vehicle frame, the vehicle seat is arranged on the vehicle frame, the wheels are respectively arranged on the vehicle front body and the vehicle frame, the power supply is electrically connected with the driving motor, and the driving motor is connected with at least one wheel to drive the wheels to rotate.

Description

Foldable electric vehicle and frame lock thereof
Technical Field
The invention relates to an electric vehicle, in particular to a frame for a foldable electric vehicle. The invention further relates to a frame lock for a foldable electric vehicle frame, wherein the frame lock of the foldable electric vehicle frame is arranged to keep the foldable electric vehicle frame in an unfolded state when the foldable electric vehicle is in an unfolded state.
Background
An electric vehicle refers to a vehicle that is driven by electricity or a power source to carry people and/or objects in rapid movement. Common electric drive electric motor car, like electric bicycle, electric scooter or electric motor car etc. to electric power is as power, drives self and removes. In general, a foldable electric vehicle refers to an electric vehicle or an electric bicycle that can be folded to occupy a smaller space. Most of foldable electric vehicles can be folded on the whole electric vehicle through the foldable frame of the foldable electric vehicle, so that the defects of large volume and inconvenience in carrying of the conventional electric vehicle are overcome.
A foldable electric vehicle satisfying user's requirements should have foldability in structure, good safety, and convenience in folding/unfolding operations. The good folding property of the foldable electric vehicle enables the foldable electric vehicle to occupy smaller space after being folded, thereby being more convenient for a user to carry, transport and place. The excellent safety of the foldable electric vehicle requires that the foldable electric vehicle can provide a firm support to a user and ensure safe driving of the foldable electric vehicle in a use state (or an unfolded state). The convenience of the folding/unfolding operation of the foldable electric vehicle requires that the folding/unfolding steps of the foldable electric vehicle be simple and easy to implement. However, most of the existing foldable electric vehicles cannot give consideration to the foldability, good safety and easy usability of the structure, either the foldability and the convenience of the foldable electric vehicle are over emphasized, but the structural stability in the use state is not emphasized enough; or over-emphasizes the foldability and structural stability in use of the foldable electric vehicle, while neglecting the convenience of the folding and/or unfolding operations of the electric vehicle. Obviously, the former brings danger to the user of the electric vehicle, especially the user in riding state, while the latter reduces the user experience in the complicated operation of folding or unfolding the electric vehicle.
Chinese patent application No. cn201610658603.x teaches a foldable electric vehicle whose frame can be folded and has a small volume after being folded. In addition, the foldable electric vehicle taught by the patent maintains the folded rear frame in a folded state by means of a buckle. However, the lock catch of the foldable electric vehicle taught by the patent is reversible to lock the folded frame, and the operation end of the lock catch is arranged on the frame in a protruding manner, so that the lock catch is easily touched by mistake and unlocked by mistake, and negative potential hazards are brought to safe running of the electric vehicle. Secondly, the latch of the foldable electric vehicle taught by the patent may fail to properly lock together the high and low ends of the rear frame of the frame thereof, and such erroneous operation of the latch may cause a danger to the rider of the foldable electric vehicle. The foldable electric vehicle taught by the patent does not have any safety measures to prevent this.
Disclosure of Invention
The main object of the present invention is to provide a foldable electric vehicle, in which a frame of the foldable electric vehicle can be folded and unfolded, wherein when the frame is folded, it enables the entire structure of the foldable electric vehicle using the frame of the present invention to be folded and have a small volume, thereby making it convenient to carry, and when the frame is unfolded, it enables the foldable electric vehicle to be maintained in an unfolded state and to provide a firm support for a rider. In other words, when the frame of the foldable electric vehicle is folded, the frame can drive the whole foldable electric vehicle to be folded, so that the folded foldable electric vehicle has smaller volume.
Another object of the present invention is to provide a foldable electric vehicle, wherein the foldable electric vehicle implements power supply control of a driving mechanism of the foldable electric vehicle through dual power switches, wherein the power supply control manner of the driving mechanism of the foldable electric vehicle, which is implemented only when both switches are in a closed state, can prevent erroneous power supply and unintended driving of the foldable electric vehicle when the foldable electric vehicle is not fully unfolded, thereby improving safety of the foldable electric vehicle.
Another object of the present invention is to provide a foldable electric vehicle, wherein at least one power switch of a driving mechanism of the foldable electric vehicle is provided at the frame and is in a closed state only when the frame of the foldable electric vehicle is unfolded. In other words, the power supply circuit of the foldable electric vehicle is kept connected only when the frames of the foldable electric vehicle are unfolded, and the power supply of the driving mechanism of the foldable electric vehicle is automatically cut off when the frames of the foldable electric vehicle are folded together, thereby preventing unintended driving of the foldable electric vehicle and improving the safety of the foldable electric vehicle.
Another object of the present invention is to provide a foldable electric vehicle, wherein when a frame of the foldable electric vehicle is unfolded, a power switch provided to the frame is pressed by the frame so that the power switch is closed and a power supply circuit of the foldable electric vehicle is maintained in communication, and when the frame is folded together, the power switch provided to the frame is opened so that a power supply of a driving mechanism of the foldable electric vehicle is cut off.
Another object of the present invention is to provide a foldable electric vehicle, wherein when a frame of the foldable electric vehicle is unfolded, the frame is maintained in an unfolded state by a frame lock, thereby maintaining the foldable electric vehicle in the unfolded state and providing a stable support for a rider.
Another object of the present invention is to provide a foldable electric vehicle, wherein when a frame of the foldable electric vehicle is unfolded, the frame is maintained in an unfolded state by two locking devices, thereby ensuring that the frame is maintained in the unfolded state and providing a stable support for a rider.
Another object of the present invention is to provide a foldable electric vehicle, wherein when the frames of the foldable electric vehicle are folded together, the frames are maintained in a folded state by a locking assembly, thereby maintaining the foldable electric vehicle in the folded state.
Another object of the present invention is to provide a frame for a foldable electric vehicle, wherein when the frame is folded, the frame can drive the entire foldable electric vehicle to be folded, so that the folded foldable electric vehicle has a smaller volume.
Another object of the present invention is to provide a foldable electric vehicle, in which a frame lock of the foldable electric vehicle is simple in structure and easy to operate, thereby making the foldable electric vehicle easy to fold and unfold.
It is another object of the present invention to provide a frame for a foldable electric vehicle, wherein a first support of the frame is maintained in an unfolded state by a frame lock when the frame is unfolded, thereby maintaining the foldable electric vehicle in the unfolded state and providing a firm support for a rider.
It is another object of the present invention to provide a frame for a foldable electric vehicle, wherein the frame is maintained in a folded state by a locking assembly when the frame is folded together, thereby maintaining the foldable electric vehicle in the folded state.
Another object of the present invention is to provide a frame for a foldable electric vehicle, wherein the frame can be installed at a front body of the electric vehicle such that when the frame is unfolded, a first support bracket, a second support bracket and a frame main body of the frame form a stable triangular structure.
Another object of the present invention is to provide a frame for a foldable electric vehicle, in which at least one power switch for controlling the supply of power to a driving mechanism thereof is provided at the frame, thereby enabling a user to control the supply of power to the driving mechanism through the unfolding and folding of the frame.
Other objects and features of the present invention will become more fully apparent from the following detailed description and appended claims, taken in conjunction with the accompanying drawings, wherein like reference numerals refer to like parts throughout.
In accordance with one aspect of the present invention, the foldable electric vehicle of the present invention, which can achieve the foregoing and other objects and advantages, comprises:
a front body;
a frame, wherein the front body is pivotably disposed at the frame;
a seat, wherein the seat is provided at the frame;
a power source;
a set of wheels, wherein the wheels are respectively arranged on the front body and the frame; and
a drive motor, wherein the power source is electrically connectable to the drive motor to provide power to the drive motor, the drive motor being connected to at least one wheel to drive the wheel to rotate, wherein the frame comprises a frame body and a first support frame, wherein the first support frame is disposed in the frame body, wherein the foldable electric vehicle has an unfolded state and a folded state, wherein when the foldable electric vehicle is in the unfolded state, the first support frame of the frame is unfolded and held upright to be able to support the vehicle seat in a proper position, and the vehicle body is unfolded and separated from the frame; when the foldable electric vehicle is in the folded state, the first support frame of the frame is folded at the frame main body, and the vehicle front body is folded at the first support frame.
Preferably, the frame main body forms a receiving groove, wherein the first support frame of the frame is folded in the receiving groove of the frame main body when the foldable electric vehicle is in the folded state. More preferably, the frame body of the vehicle frame has a front end and a rear end, wherein the vehicle body is pivotably disposed at the front end of the frame body of the vehicle frame, and at least one wheel is disposed at the rear end of the frame body of the vehicle frame.
In another aspect of the present invention, the present invention further provides a frame for a foldable electric vehicle, comprising:
a holder main body; and
a first support frame, wherein the first support frame is provided at the frame main body, wherein the frame has an unfolded state and a folded state, wherein when the frame is in the unfolded state, the first support frame of the frame is unfolded and kept upright to be able to support a seat of the foldable electric vehicle in a proper position; when the frame is in the folded state, the first support frame of the frame is folded in the frame main body.
In another aspect of the present invention, the present invention further provides a frame lock for a foldable electric vehicle frame, comprising:
a first positioning member; and
a second positioning member, wherein the first positioning member is disposed at a high end of the first support frame of the foldable electric vehicle frame and the second positioning member is disposed at a low end of the first support frame of the foldable electric vehicle frame, wherein the first positioning member and the second positioning member are configured to engage together when the first support frame is unfolded and to disengage when the first support frame is folded.
In another aspect of the present invention, the present invention further provides a frame lock for a foldable electric vehicle frame, comprising:
a first engaging member; and
a second engagement member, wherein the second engagement member is disposed at a lower end of a first support frame of the foldable electric vehicle frame, wherein the first engagement member and the second engagement member are configured to engage together when the first support frame is unfolded and disengage when the first support frame is folded.
In accordance with another aspect of the present invention, the present invention further provides a power control method for a foldable electric vehicle, comprising the steps of:
(A) starting the foldable electric vehicle; and
(B) if the controller of the foldable electric vehicle receives an unfolding signal, the controller allows power of a power source of the foldable electric vehicle to be supplied to a driving motor of the foldable electric vehicle according to a driving command; and if the controller of the foldable electric vehicle does not receive the unfolding signal, the controller prevents power of the power source of the foldable electric vehicle from being supplied to the driving motor of the foldable electric vehicle.
In accordance with another aspect of the present invention, the present invention further provides a power control system for a foldable electric vehicle, comprising:
a controller, wherein the controller is configured to control power of a power source of the foldable electric vehicle to be supplied to a driving motor of the foldable electric vehicle according to a driving command when receiving an unfolding signal; and preventing power of a power source of the foldable electric vehicle from being supplied to a driving motor of the foldable electric vehicle when the unfolding signal is not received.
Further objects and advantages of the invention will be fully apparent from the ensuing description and drawings.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the claims.
Drawings
Fig. 1 is a perspective view of a foldable electric vehicle according to a preferred embodiment of the present invention, wherein the foldable electric vehicle is shown in a unfolded state.
Fig. 2 is a perspective view of the foldable electric vehicle according to the preferred embodiment of the present invention, wherein the foldable electric vehicle is shown in a folded state.
Fig. 3 is an exploded view of the foldable electric scooter according to the preferred embodiment of the present invention.
Fig. 4 is a partially enlarged view of the frame of the foldable electric vehicle according to the preferred embodiment of the present invention, wherein the first support bracket of the frame of the foldable electric vehicle is held upright with respect to the frame main body of the frame.
Fig. 5 is another enlarged partial view of the first support bracket of the frame of the foldable electric vehicle according to the preferred embodiment of the present invention, wherein the frame lock is shown to hold the first support bracket in an unfolded position.
Fig. 6 is another enlarged partial view of the first support frame of the foldable electric scooter according to the preferred embodiment of the invention.
Fig. 7 shows the frame lock of the foldable electric vehicle according to the preferred embodiment of the invention.
Fig. 8 shows the frame lock of the foldable electric vehicle according to the preferred embodiment of the present invention.
Fig. 9 shows the frame lock of the foldable electric vehicle according to the preferred embodiment of the present invention.
Fig. 10 shows the first positioning member of the pivot link and the frame lock of the foldable electric vehicle according to the preferred embodiment of the present invention.
Fig. 11 shows an alternative implementation of the frame of the foldable electric vehicle according to the first preferred embodiment of the invention, wherein the frame of the foldable electric vehicle is shown in an unfolded position.
FIG. 12 is a schematic structural diagram of the power control system of the foldable electric vehicle according to the preferred embodiment of the invention.
Fig. 13 is a schematic structural diagram of an alternative implementation of the power control system of the foldable electric vehicle according to the preferred embodiment of the invention.
FIG. 14 is a flowchart illustrating a method for controlling power of the foldable electric vehicle according to the preferred embodiment of the present invention.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments provided in the following description are only intended as examples and modifications obvious to a person skilled in the art, and do not constitute a limitation to the scope of the invention. The general principles defined in the following description may be applied to other embodiments, alternatives, modifications, equivalent implementations, and applications without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Referring to fig. 1 to 7 of the drawings, a foldable electric vehicle according to a preferred embodiment of the present invention is illustrated, wherein the foldable electric vehicle comprises a front body 10, a frame 20, a seat 30, a power source 40, a set of wheels 50 and a driving mechanism 60, wherein the front body 10 is pivotally disposed on the frame 20, the seat 30 is disposed on the frame 20, the power source 40 is electrically connected to the driving mechanism 60 to provide power to the driving mechanism 60, and the driving mechanism 60 is connected to at least one wheel 50 to drive the wheel to rotate. It is to be understood that, as shown in fig. 1 to 5 of the drawings, the foldable electric vehicle of the present invention further includes two armrests 70 to facilitate riding of a user, wherein the armrests 70 may be separate components of the foldable electric vehicle or may be formed by the vehicle front body 10.
As shown in fig. 1 to 7 of the drawings, the frame 20 of the foldable electric vehicle according to the preferred embodiment of the present invention includes a frame main body 21 and a first support frame 22, wherein the vehicle front body 10 is pivotally provided at the frame main body 21 of the frame 20, the vehicle seat 30 is provided at the first support frame 22, wherein when the foldable electric vehicle is in an unfolded state, the first support frame 22 of the frame 20 is unfolded and held upright with respect to the frame main body 21 to support the vehicle seat 30 in a proper position, the vehicle front body 10 is pivoted and separated from the frame 20; when the foldable electric vehicle is in a folded state, the first support frame 22 of the frame 20 is folded, and the front body 10 is folded on the first support frame 22. Preferably, the frame main body 21 of the frame 20 forms a receiving groove 210, wherein the first support frame 22 of the frame 20 is folded at the receiving groove 210 when the foldable electric vehicle is in a folded state. In other words, the receiving groove 210 of the frame 20 is configured to receive the first support frame 22 of the frame 20, so that the first support frame 22 of the frame 20 can be folded in the receiving groove 210 of the frame 20. It can be understood that the length of the receiving groove 210 of the frame 20 is not shorter than the maximum length of the folded first supporting frame 22.
As shown in fig. 1 of the drawings, the foldable electric vehicle according to the preferred embodiment of the present invention is in the unfolded state in which the first support frame 22 of the frame 20 of the foldable electric vehicle is kept unfolded to be able to support and maintain the seat 30 in a horizontal position, and the vehicle front body 10 is unfolded and kept away from the frame 20 to be able to ride and travel the foldable electric vehicle; as shown in fig. 2 of the drawings, the foldable electric vehicle is in the folded state in which the first support frame 22 of the frame 20 of the foldable electric vehicle is folded and received in the receiving groove 210 of the frame 20, the vehicle front body 10 is folded in the folded first support frame 22, and the vehicle seat 30 is folded between the vehicle front body 10 and the first support frame 22 of the frame 20. Accordingly, the frame 20 has an unfolded position and a folded position, and the first support frame 22 of the frame 20 is unfolded and held upright with respect to the frame body 20 when the frame 20 is in the unfolded position; when the frame 20 is in the folded position, the first support bracket 22 of the frame 20 is folded.
As shown in fig. 1 and 4 of the drawings, the first support frame 22 of the frame 20 of the foldable electric vehicle according to the preferred embodiment of the present invention includes a lower end portion 221 and an upper end portion 222 extending from the lower end portion 221, wherein the upper end portion 222 of the first support frame 22 is pivotally disposed at the lower end portion 221. As shown in fig. 1 to 5 of the drawings, further, the high end 222 is pivotally disposed at the low end 221 through a connecting pivot 223, and when the first support frame 22 of the frame 20 is folded, the high end 222 of the first support frame 22 is folded at the low end 221. Preferably, the connecting pivot 223 of the first support frame 22 of the frame 20 is disposed toward the rear of the foldable electric vehicle. Optionally, the connecting pivot 223 of the first support frame 22 of the frame 20 is disposed toward the front of the foldable electric vehicle and opposite to the front body 10 of the foldable electric vehicle.
As shown in fig. 1 to 7 of the drawings, the foldable electric vehicle according to the preferred embodiment of the present invention further includes a frame lock 80, wherein the frame lock 80 includes a first positioning member 81 and a second positioning member 82, wherein the first positioning member 81 is disposed at the high end 222 of the first support frame 22, and the second positioning member 82 is disposed at the low end 221 of the first support frame 22, wherein the first positioning member 81 and the second positioning member 82 are disposed to be engaged with each other when the first support frame 22 is unfolded, and to be disengaged when the first support frame 22 is folded. It is understood that the first positioning member 81 and the second positioning member 82 can be engaged together in various ways, for example, the first positioning member 81 and the second positioning member 82 can be engaged together by a pin, can be engaged by a bolt, or can be engaged together by other means. Preferably, the frame lock 80 is installed at a side of the first support frame 22 facing the front body 10 of the foldable electric vehicle of the present invention.
As shown in fig. 1 to 10 of the drawings, further, the first positioning member 81 of the frame lock 80 includes a pivot portion 811 pivotally disposed at the high end portion 222 of the first support frame 22 and a limiting portion 812 extending from the pivot portion 811, the second positioning member 82 is reciprocally disposed at the low end portion 221 of the first support frame 22, wherein the second positioning member 82 forms a limiting end 821, wherein the limiting portion 812 of the first positioning member 81 and the limiting end 821 of the second positioning member 82 are disposed to be capable of engaging with each other.
As shown in fig. 1 to 10 of the drawings, further, the position-limiting portion 812 of the first positioning member 81 of the frame lock 80 forms a driving surface 8121, and the position-limiting end 821 of the second positioning member 82 forms a driven surface 8211, wherein the second positioning member 82 is disposed such that when the driving surface 8121 of the position-limiting portion 812 of the first positioning member 81 is pressed against the driven surface 8211 of the position-limiting end 821 of the second positioning member 82 under a proper pressure, the position-limiting end 821 of the second positioning member 82 is driven to move in a direction away from the first positioning member 81, and when the driving surface 8121 is separated from the driven surface 8211, the position-limiting end 821 of the second positioning member 82 can move in a direction approaching to the first positioning member 81 under a proper reset force. It is understood that the first positioning member 81 forms an engaging position 810, and the engaging position 810 is configured to be capable of engaging with the limiting end 821 of the second positioning member 82 at the engaging position 810 of the first positioning member 81 when the limiting end 821 of the second positioning member 82 is driven by the limiting portion 812 of the first positioning member 81 to move in a direction away from the first positioning member 81 and then move in a direction approaching to the first positioning member 81 under the action of a proper reset force. Preferably, the pivot portion 811 and the position-limiting portion 812 of the first positioning member 81 form the engagement position 810 therebetween. More preferably, the engagement portion 810 formed by the first positioning member 81 is an engagement hole or an engagement groove. Optionally, the position-limiting portion 812 forms the engaging position 810. It is understood that the driving surface 8121 of the position-limiting portion 812 of the first positioning element 81 and the driven surface 8211 of the position-limiting end 821 of the second positioning element 82 are inclined surfaces, and are matched with each other.
As shown in fig. 1 to 10 of the drawings, further, the frame lock 80 further has a first resetting member 83 and a moving channel 84, the second positioning member 82 further has a passive end 822 opposite to the limit end 821, wherein the second positioning member 82 is reciprocally disposed in the moving channel 85, the first resetting member 83 is disposed at the passive end 822, wherein the first resetting member 83 is configured to drive the passive end 822 of the second positioning member 82 to move in a direction approaching to the first positioning member 81 in the moving channel 84 so as to engage with the first positioning member 81. Preferably, one end of the first restoring member 83 is disposed at the passive end 822 of the second positioning member 82, and the other end is disposed at the lower end 221 of the first supporting frame 22. In other words, the first restoring member 83 is disposed between the passive end 822 of the second positioning member 82 and the lower end 222 of the first supporting frame 22, wherein the first restoring member 83 is configured to apply a proper restoring force to the passive end 822 of the second positioning member 82. More preferably, the first restoring member 83 is a restoring spring.
As shown in fig. 1 to 10 of the drawings, further, the frame lock 80 includes a driving bolt 85, wherein the driving bolt 85 has a driving end 851, the second positioning member 82 further has a passive portion 823, wherein the driving end 851 of the driving bolt 85 is disposed opposite to the passive portion 823 of the second positioning member 82, and the passive portion 823 of the second positioning member 82 is disposed such that the limiting end 821 of the second positioning member 82 can be driven to move in a direction away from the first positioning member 81 when a user applies a proper amount of force to the passive portion 823 of the second positioning member 82 through the driving end 851 of the driving bolt 85. Preferably, the passive portion 823 of the second positioning member 82 is disposed between the limit end 821 and the passive end 822. Preferably, the drive pin 85 is disposed in a reset passage 850 that communicates with the travel passage 84. It will be appreciated that when the user removes the force applied to the passive portion 823 of the second positioning member 82, the second positioning member 82 will move in the moving channel 84 in a direction approaching the first positioning member 81 under the restoring force provided by the first restoring member 83.
As shown in fig. 1 to 10 of the drawings, correspondingly, when the foldable electric vehicle is in an unfolded state (or the first support frame 22 of the frame 20 is unfolded), the position-limiting portion 812 of the first positioning member 81 is engaged with the position-limiting end 821 of the second positioning member 82, and when a user needs to fold the first support frame 22, the user can press the driving bolt 85 of the frame lock 80 to drive the second positioning member 82 to move in the moving channel 84 in a direction away from the first positioning member 81, so that the position-limiting portion 812 of the first positioning member 81 is disengaged from the position-limiting end 821 of the second positioning member 82, and the user is allowed to fold the first support frame 22; when the foldable electric vehicle is in a folded state (or the first supporting frame 22 of the frame 20 is folded), the position-limiting part 812 of the first positioning member 81 is disengaged from the position-limiting end 821 of the second positioning member 82, when a user lifts the front body 10 of the foldable electric vehicle, the front body 10 drives the lower end 221 of the first supporting frame 22 to pivot relative to the frame main body 21 of the frame 20 through the driving rod 24, so that the first supporting frame 22 is unfolded, when the lower end 221 and the upper end 222 of the first supporting frame 22 are connected (or aligned), the user can pivot the position-limiting part 812 of the first positioning member 81, and drive the position-limiting end 821 of the second positioning member 82 to move in the moving channel 84 in a direction away from the first positioning member 81 until the engaging position 810 of the position-limiting part 812 of the first positioning member 81 is aligned with the position-limiting end 821 of the second positioning member 82 through the position-limiting part 812 of the first positioning member 81 until the engaging position 810 of the first positioning member 81 is aligned with the position-limiting end 821 of the second positioning member 82 At this time, the limiting end 821 of the second positioning element 82 moves in a direction approaching to the first positioning element 81 under the driving of the first restoring element 83, so as to engage with the engaging position 810 formed by the first positioning element 81, thereby keeping the first supporting frame 22 folded.
As shown in fig. 1 to 10 of the drawings, further, the frame lock 80 includes a first engaging member 86 and a second engaging member 87, wherein the first engaging member 86 is disposed at the first positioning member 81, and the second engaging member 87 is disposed at the lower end 221 of the first support frame 22, wherein the first engaging member 86 and the second engaging member 87 are disposed to be engaged together when the first support frame 22 is in an expanded position. Further, the first engagement member 86 and the second engagement member 87 are configured to be disengaged when the first support frame 22 is in a folded position. Preferably, the first engaging member 86 is pivotably provided at the first positioning member 81. It is understood that the first and second engagement members 86, 87 of the frame lock 80 can engage together in various ways, for example, the first and second engagement members 86, 87 can engage together by a pin, can engage together by a bolt, or can engage together by other means.
As shown in fig. 1 to 10 of the drawings, correspondingly, when the foldable electric vehicle is in an unfolded state (or the first support frame 22 of the frame 20 is unfolded), the first engaging member 86 and the second engaging member 87 of the frame lock 80 are engaged with each other, when a user needs to fold the first support frame 22, the first engaging member 86 can be separated from the second engaging member 87 and disengaged from the second engaging member 87 by pivoting the first engaging member 86, and the user can fold the first support frame 22; when the foldable electric vehicle is in a folded state (or the first support frame 22 of the frame 20 is folded), the first engaging member 86 and the second engaging member 87 of the frame lock 80 are disengaged, when a user lifts the front body 10 of the foldable electric vehicle, the front body 10 drives the lower end 221 of the first support frame 22 to pivot relative to the frame main body 21 of the frame 20 through the driving lever 24, so that the first support frame 22 is unfolded, and when the lower end 221 and the upper end 222 of the first support frame 22 are connected (or aligned), the user can pivot the first positioning member 81 to the upper end 222 of the first support frame 22 and pivot the first engaging member 86 to engage with the second engaging member 87, so that the first support frame 22 is kept folded.
As shown in fig. 7 to 10 of the drawings, the frame lock 80 of the foldable electric vehicle according to the preferred embodiment of the present invention further has an operation cavity 800, wherein the operation cavity 800 is disposed at the lower end 221 of the first support frame 22, wherein the operation cavity 800 has an inner wall 801 and an operation opening 802, wherein the second engaging member 87 is disposed at the inner wall 801 of the operation cavity 800. As shown in fig. 7-10 of the drawings, further, the first engaging member 86 forms a first engaging end 861, the second engaging member 87 forms a second engaging end 871, wherein the first engaging end 861 and the second engaging end 871 both have a hook shape, wherein when the first engaging member 86 is engaged with the second engaging member 87, the first engaging end 861 of the second engaging member 87 is engaged with the second engaging end 871 of the first engaging member 86. In other words, a first engagement groove 860 is formed inside the first engagement end 861 of the first engagement member 86, and a second engagement groove 870 is formed inside the second engagement end 871 of the second engagement member 87, wherein the first engagement end 861 and the second engagement end 871 are engaged in the second engagement groove 870 and the first engagement groove 860, respectively. As shown in fig. 7-10 of the drawings, the first engaging member 86 further has a pivot end 862 extending from the first engaging end 861, wherein the pivot end 862 is pivotally disposed at the pivot portion 811 of the first positioning member 81.
As shown in fig. 5 to 10 of the drawings, the operation chamber 800 of the frame lock 80 of the foldable electric vehicle according to the preferred embodiment of the present invention further has a viewing opening 803, wherein the viewing opening 803 is disposed opposite to the second engaging member 87 so that a user can see whether the first engaging member 86 and the second engaging member 87 are engaged together when the first supporting frame 22 is unfolded.
As shown in fig. 7 to 10 of the drawings, the frame lock 80 of the foldable electric vehicle according to the preferred embodiment of the present invention further includes a second restoring member 88, wherein the second restoring member 88 is disposed between the pivot end 862 of the first engaging member 86 and the second engaging member 87 to apply an outward pushing force to the pivot end 862 of the first engaging member 86, thereby keeping the first engaging member 86 and the second engaging member 87 engaged (or keeping the first engaging member 86 and the second engaging member 87 engaged) when they are engaged together. Preferably, one end of the second restoring member 88 is disposed at a lower edge 8621 of the pivot end 862 of the first engaging member 86. The other end is disposed at the upper edge 871 of the second engagement member 87. More preferably, the second return member 88 is a return spring.
As shown in fig. 7 to 10 of the drawings, the frame lock 80 of the foldable electric vehicle according to the preferred embodiment of the present invention further includes a pivot link 89, wherein one end of the pivot link 89 is pivotally disposed inside the pivot portion 811 of the first fixing member 81, and the other end is pivotally disposed at the lower end 221 of the first support frame 22, thereby ensuring that the first fixing member 22 can be synchronously disengaged from the second fixing member 82 or engaged with the second fixing member 82 regardless of whether the first support frame 22 is folded or unfolded.
As shown in fig. 7 to 10 and 12 of the drawings, the foldable electric vehicle according to the preferred embodiment of the present invention further comprises a power control system 90, wherein the power control system 90 comprises a power switch 91 and a power circuit 92, wherein the power switch 91 is disposed on the inner wall 801 of the operation cavity 800 of the frame lock 80, wherein the power switch 91 is disposed to be pressed by the first positioning member 81 when the first supporting frame 22 is unfolded, thereby controlling the power circuit 92 to be connected, and to be closed and controlling the power circuit 92 to be disconnected when the first supporting frame 22 is folded. In other words, the power switch 91 is configured to be pressed by the first positioning member 81 when the first positioning member 81 is pivoted to the lower end 221 of the first support frame 22, and the pressing of the power switch 91 by the first positioning member 81 is removed when the first positioning member 81 is pivoted to be away from the lower end 221 of the first support frame 22. It is understood that the power of the power source 40 is supplied to the driving mechanism 60, such as a driving motor, of the foldable electric vehicle of the present invention through the power circuit 92 of the power control system 90. Accordingly, the power circuit 92 is configured to provide the power of the power source 40 to the drive motor 60. Accordingly, the power switch 91 of the power control system 90 is configured to be in the on state and control the power circuit 92 to supply power to the driving mechanism 60 of the foldable electric vehicle only when the user properly locks the frame lock 80 to keep the first support frame 22 firmly in the unfolded position, and when the first support frame 22 is folded or the frame lock 80 is not properly locked, the power switch 91 of the power control system 90 is released, the power circuit 92 is disconnected and the supply of power to the driving mechanism 60 of the foldable electric vehicle is terminated. As shown in fig. 5 to 7 of the drawings, preferably, when the first positioning member 81 is pivoted to the lower end 221 of the first support frame 22, the first positioning member 81 presses the power switch 91 through a control portion 813. More preferably, the control portion 813 of the first positioning member 81 is disposed to extend from the pivot portion 811 of the first positioning member 81. It will be appreciated that the manner in which the present invention controls the power to the drive mechanism 60 of the foldable electric vehicle better ensures safe operation of the foldable electric vehicle.
It should be noted that, as shown in fig. 5 to 10 of the drawings, the first positioning member 81 of the frame lock 80 of the foldable electric vehicle of the present invention is preferably plate-shaped, and when the first positioning member 81 is pivotally moved to the lower end 221 of the first supporting frame 22, the first positioning member 81 just covers the operation opening 802 of the operation cavity 800 of the frame lock 80.
Fig. 10 of the drawings shows an alternative implementation of the power control system 90 of the foldable electric vehicle according to the preferred embodiment of the invention, wherein the power control system 90A comprises a controller 91A, wherein the controller a is configured to control the power of the power source of the foldable electric vehicle to be supplied to the driving motor 60 of the foldable electric vehicle according to a driving command upon receiving an unfolding signal; and a driving motor 60 for preventing the power of the power source of the foldable electric vehicle from being supplied to the foldable electric vehicle when the unfolding signal is not received.
As shown in fig. 1 to 10 of the drawings, the frame 20 of the foldable electric vehicle according to the preferred embodiment of the present invention further includes a second support bracket 23, the frame body 21 of the frame 20 forms a front end 211 and a rear end 212, wherein one end of the second support bracket 23 is pivotally disposed at the high end 222 of the first support bracket 22, and the other end is pivotally disposed at the rear end 22 of the frame body 21 of the frame 20, so that when the first support bracket 22 of the frame 20 is unfolded, the first support bracket 22 of the frame 20, the frame body 21 of the frame 20 and the second support bracket 23 of the frame 20 form a triangular structure, thereby providing a firm riding support for the saddle 30 (or a person or user sitting on the saddle 30). Preferably, when the first support frame 22 of the frame 20 is unfolded, an included angle between the first support frame 22 of the frame 20 and the rear end 22 of the frame main body 21 of the frame 20, an included angle between the second support frame 23 and the first support frame 22 of the frame 20, and an included angle between the second support frame 23 and the rear end 22 of the frame main body 21 of the frame 20 are acute angles. It can be understood that during the folding process of the first support frame 22 of the frame 20, the first support frame 22 is folded on itself such that the high end portion 222 of the first support frame 22 is folded to the low end portion 221 of the first support frame 22, and the first support frame 22 is folded and then folded in the receiving groove 210 of the frame 20. It is understood that the second support 23 can be any shape that achieves the intended purpose of the invention. For example, the second support frame 23 may be rod-shaped, or bar-shaped.
As shown in fig. 1 to 10 of the drawings, one end of the second supporting frame 23 of the frame 20 of the foldable electric vehicle according to the preferred embodiment of the present invention is disposed at the high end 222 of the first supporting frame 22 of the frame 20, and the other end of the first supporting frame 22 is disposed in the receiving groove 210 of the frame 20, so that the second supporting frame 23 is folded between the high end 222 and the low end 221 of the first supporting frame 22 when the first supporting frame 22 is folded and received in the receiving groove 210 of the frame 20.
As shown in fig. 1 to 10 of the drawings, the frame 20 of the foldable electric vehicle according to the preferred embodiment of the present invention further includes a driving rod 24, wherein both ends of the driving rod 24 are pivotally disposed at the front body 10 and the lower end 221 of the first supporting frame 22 of the frame 20, respectively. As shown in fig. 1 to 5 of the drawings, further, one end of the driving lever 24 is pivotally connected to the front body 10 through a first pivot portion 241, and the other end of the driving lever 24 is pivotally connected to the lower end portion 221 of the first supporting frame 22 through a second pivot portion 242. Preferably, the first pivot portion 241 is located at a higher height than the second pivot portion 242, so that when the first support frame 22 of the frame 20 is folded on itself and folded to the frame 20, the first support frame 22 can drive the front body 10 to fold towards the frame 20 through the driving rod 24; and when the vehicle front body 10 is driven to fold toward the vehicle frame 20, the vehicle front body 10 can cause the first support frame 22 of the vehicle frame 20 to fold and drive the first support frame 22 to fold to the vehicle frame 20 through the driving rod 24.
As shown in fig. 1 to 10 of the drawings, further, the front end 21 of the frame 20 of the foldable electric scooter according to the preferred embodiment of the present invention is pivotally disposed at the front body 10 through a third pivot 243, the first support frame 22 of the frame 20 is pivotally disposed at a fourth pivot 244 of the rear end 22 of the frame body 21 of the frame 20 through a fourth pivot 244, wherein when the foldable electric scooter of the present invention is in the unfolded state, the first pivot 241 is located at a height higher than the third pivot 243, and the fourth pivot 244 is located at a height higher than the second pivot 242. It is understood that the first pivot portion 241, the second pivot portion 242, the third pivot portion 243 and the fourth pivot portion 244 are all horizontally disposed. As shown in fig. 1 and 2 of the drawings, the front body 10 of the foldable electric vehicle according to the preferred embodiment of the present invention includes a front body 11 and a connecting member 12 disposed between the front body 11 and the front end 21 of the frame 20, wherein one end of the connecting member 12 is disposed on the front body 11, and the other end is disposed on the front end 21 of the frame 20 via the third pivot 243, wherein a length between the third pivot 243 and the front body 11 of the front body 10 is L1, a length between the fourth pivot 244 and the second pivot 341 is L2, and the length L1 is greater than the length L2.
As shown in fig. 1 to 10 of the drawings, the frame main body 21 of the frame 20 of the foldable electric vehicle according to the preferred embodiment of the present invention includes two oppositely disposed plate bodies 213, wherein the plate bodies 213 form the accommodating groove 210 therebetween. It is understood that the structure in which the frame body 21 of the vehicle frame 20 is formed of two plate-shaped objects can make the receiving groove 210 as large as possible and the weight of the vehicle frame 20 as small as possible. In order to reduce the weight of the frame 20 as much as possible and to improve the strength of the frame 20. It will be appreciated that the frame 20 may be formed from high strength and low density materials, such as carbon fiber materials, high strength alloy (e.g., aluminum magnesium alloy) materials. In addition, the plate 213 of the frame 20 may have any shape capable of achieving the object of the present invention, and the shape may be regular or irregular, as required to achieve the object of the present invention.
As shown in fig. 1 to 10 of the drawings, the shape and length of the second support 23 of the frame 20 of the foldable electric vehicle according to the preferred embodiment of the present invention are configured according to the shape and length of the receiving groove 210 of the frame 20, so that the second support 23 can be received in the receiving groove 210. Preferably, one end of the second support bracket 23 of the frame 20 is disposed at the high end 222 of the first support bracket 22 of the frame 20, and the other end of the first support bracket 22 is disposed inside the plate body 213 of the frame main body 21 of the frame 20.
As shown in fig. 1 to 10 of the drawings, one end of the connecting member 12 of the front body 10 of the foldable electric vehicle according to the preferred embodiment of the present invention is pivotally disposed at the front end 211 of the frame main body 21 of the frame 20, and the other end is pivotally disposed at the front body 11, and the front body 11 is configured to be able to pivot in the horizontal direction with respect to the connecting member 12, so that the front body 10 can pivot in the horizontal direction with respect to the connecting member 12 and the direction of the electric vehicle according to the driving condition can be adjusted during the driving process. Preferably, the front end 211 of the frame main body 21 of the frame 20 is disposed between two plate bodies 213 so that the connecting member 12 can pivot in the vertical direction with respect to the plate bodies 213. in other words, the front body 11 of the front body 10 of the foldable electric vehicle of the present invention is pivotably disposed at the connecting member 12 through an upright pivot portion so that the front body 11 of the front body 10 can pivot in the horizontal direction with respect to the connecting member 12, as shown in fig. 1 and 2 of the drawings.
As shown in fig. 1 to 10 of the drawings, the front body 11 of the front body 10 of the foldable electric vehicle according to the preferred embodiment of the present invention forms a housing 111, wherein the housing 111 has a receiving cavity 110 for receiving the power source 40 and the driving mechanism 60 of the electric vehicle according to the present invention, and the driving mechanism 60 is connected to the wheel 50 for driving the wheel 50 to rotate and drive the electric vehicle. It is understood that the driving mechanism 60 refers to any electric driving mechanism capable of being electrically connected to the power source 40 and driving at least one wheel 50 of the foldable electric vehicle of the present invention to rotate by using the power or electric energy supplied from the power source 40, thereby driving the foldable electric vehicle to move. Preferably, the driving mechanism 60 is a driving motor capable of driving the wheel 50 of the foldable electric vehicle to rotate. More preferably, the drive mechanism 60 is an in-wheel motor that can be directly located at the wheel 50 of the foldable electric vehicle.
As shown in fig. 1 to 10 of the drawings, correspondingly, the present invention further provides a foldable frame 20 for an electric vehicle, so that the electric vehicle occupies as small a volume as possible when placed, wherein the foldable frame 20 for an electric vehicle of the present invention comprises a frame main body 21, a first support frame 22 and a second support frame 23, wherein the first support frame 22 comprises a lower end 221 pivotably disposed at the frame main body 21 and a higher end 222 pivotably disposed at the lower end 221, one end of the second support frame 23 is pivotably disposed at the higher end 222 of the first support frame 22, the other end is pivotably disposed at a rear end 212 of the frame main body 21, one end of the driving lever 24 is pivotably disposed at the lower end 221 of the first support frame 22, the other end is pivotably disposed at a front body 10 of the foldable electric vehicle, wherein the lower end portion 221 of the first support frame 22 is folded at the frame main body 21, the upper end portion 221 of the first support frame 22 and the second support frame 23 are folded at the lower end portion 221 of the first support frame 22 when the foldable frame 20 is in a folded state, and the first support frame 22 is unfolded and held upright with respect to the frame main body 21 when the foldable frame 20 is in an unfolded state. Preferably, the first support bracket 22, the second support bracket 23 and the frame 20 of the frame 20 form an acute triangle when the foldable frame 20 is in an unfolded state. It is understood that the frame lock 40 of the foldable electric vehicle according to the preferred embodiment of the present invention can be considered as a part of the frame 20.
As shown in fig. 4 to 10 of the drawings, correspondingly, the present invention further provides a frame lock 80 for a foldable electric vehicle frame, wherein the frame lock 80 comprises a first positioning member 81 and a second positioning member 82, wherein the first positioning member 81 is disposed at the high end 222 of the first support frame 22, the second positioning member 82 is disposed at the low end 221 of the first support frame 22, wherein the first positioning member 81 and the second positioning member 82 are disposed to be engaged together when the first support frame 22 is unfolded, and to be disengaged when the first support frame 22 is folded. It is understood that the first positioning member 81 and the second positioning member 82 can be engaged together in various ways, for example, the first positioning member 81 and the second positioning member 82 can be engaged together by a pin, can be engaged by a bolt, or can be engaged together by other means.
As shown in fig. 4 to 10 of the drawings, further, the frame lock 80 includes a first engaging member 86 and a second engaging member 87, wherein the first engaging member 86 is disposed at the first positioning member 81, and the second engaging member 87 is disposed at the lower end 221 of the first support frame 22, wherein the first engaging member 86 and the second engaging member 87 are configured to engage with each other when the first support frame 22 is in an expanded position. Further, the first engagement member 86 and the second engagement member 87 are configured to be disengaged when the first support frame 22 is in a folded position. Preferably, the first engaging member 86 is pivotably provided at the first positioning member 81. It is understood that the first and second engagement members 86, 87 of the frame lock 80 can engage together in various ways, for example, the first and second engagement members 86, 87 can engage together by a pin, can engage together by a bolt, or can engage together by other means.
Referring to fig. 11 of the drawings, an alternative implementation of the frame 20 of the foldable electric vehicle according to the preferred embodiment of the present invention is illustrated, wherein the frame 20A includes a first support bracket 22A capable of being pivotally disposed at the frame 20, a second support bracket 23 and a driving lever 24, wherein the first support bracket 20A includes a lower end 221A pivotally disposed at the frame 20 and a higher end 222A pivotally disposed at the lower end 221A. It is understood that the high end 222A of the first support frame 22A of the frame 20 is pivotally disposed at the low end 221A, wherein the high end 222A of the frame 20A is pivotally connected to the inside of the first support frame 22A. Accordingly, the frame lock 80 is mounted on a side of the first support bracket 22A facing the second support bracket 23.
Fig. 13 of the drawings shows an alternative implementation of the power control system 90 of the foldable electric vehicle according to the preferred embodiment of the present invention, wherein the power control system 90A comprises a controller 91A, a sensor 92A and a power circuit 93A, wherein the controller 91A is in electrical communication with the power circuit 93A and is configured to control the power circuit 93A to power the sensor to the driving mechanism 60 of the foldable electric vehicle according to the present invention, wherein the sensor 92A comprises a first sensing module 921A and a second sensing module 922A, wherein the sensor 92A generates the deployment signal when the first sensing module 921A and the second sensing module 922A of the sensor 92A come into contact, wherein the deployment signal is adapted to be transmitted to the controller 91A. Preferably, the first sensing module 921A and the second sensing module 922A of the sensor 92A are respectively disposed at the high end portion 222 and the low end portion 221 of the first support frame 22 of the foldable electric vehicle, wherein when the foldable support frame is in an unfolded state, the high end portion 222 and the low end portion 221 of the first support frame 22 are stably locked together, so that the first sensing module 921A and the second sensing module 922A of the sensor 92A are brought into contact. Preferably, the deployment signal generated by the sensor 92A is transmitted to the controller 91A of the foldable electric vehicle through an electronic communication network, and the controller 91A is configured to allow the power of the power source of the foldable electric vehicle to be supplied to the driving motor 60 of the foldable electric vehicle according to a driving command upon receiving the deployment signal. Most preferably, the controller 91A is configured to prevent the power of the power source of the foldable electric vehicle from being supplied to the driving motor 60 of the foldable electric vehicle through the power circuit 93A when the unfolding signal is not received. More preferably, the first sensing module 921A and the second sensing module 922A of the sensor 92A are respectively disposed at a first folding portion (e.g., a lower end portion 221) and a first folding portion (e.g., a higher end portion 222) of a foldable support frame (e.g., a first support frame 22) of the foldable electric vehicle, wherein the sensor is disposed to be able to contact the first sensing module 921A and the second sensing module 922A of the sensor 92A and generate the unfolding signal when the foldable support frame is unfolded.
As shown in fig. 14 of the drawings, the present invention further provides a power control method for a foldable electric vehicle according to a preferred embodiment of the present invention, which comprises the steps of:
(A) starting the foldable electric vehicle; and
(B) if the controller of the foldable electric vehicle receives an unfolding signal, the controller allows power of a power source of the foldable electric vehicle to be supplied to a driving motor of the foldable electric vehicle according to a driving command; and if the controller of the foldable electric vehicle does not receive the unfolding signal, the controller prevents power of the power source of the foldable electric vehicle from being supplied to the driving motor of the foldable electric vehicle.
Those skilled in the art will appreciate that the embodiments of the invention illustrated in the drawings and described above are merely exemplary and not limiting of the invention.
It can thus be seen that the objects of the invention are sufficiently well-attained. The embodiments for explaining the functional and structural principles of the present invention have been fully illustrated and described, and the present invention is not limited by changes based on the principles of these embodiments. Accordingly, this invention includes all modifications encompassed within the scope and spirit of the following claims.

Claims (80)

1. A foldable electric vehicle, comprising:
a front body;
a frame, wherein the front body is pivotably disposed at the frame;
a seat, wherein the seat is provided at the frame;
a power source;
a set of wheels, wherein the wheels are respectively arranged on the front body and the frame; and
a drive motor, wherein the power source is electrically connectable to the drive motor to provide power to the drive motor, the drive motor being connected to at least one wheel to drive the wheel to rotate, wherein the frame comprises a frame body and a first support frame, wherein the first support frame is disposed in the frame body, wherein the foldable electric vehicle has an unfolded state and a folded state, wherein when the foldable electric vehicle is in the unfolded state, the first support frame of the frame is unfolded and held upright to be able to support the vehicle seat in a proper position, and the vehicle body is unfolded and separated from the frame; when the foldable electric vehicle is in the folded state, the first support frame of the frame is folded at the frame main body, and the vehicle front body is folded at the first support frame.
2. The foldable electric vehicle of claim 1, further comprising a frame lock, wherein the frame lock comprises a first positioning member and a second positioning member, the first support frame of the frame comprises a lower end portion and a higher end portion extending from the lower end portion, wherein the higher end portion of the first support frame is pivotally disposed at the lower end portion, the first positioning member of the frame lock is disposed at the higher end portion of the first support frame, and the second positioning member is disposed at the lower end portion of the first support frame, wherein the first positioning member and the second positioning member are configured to engage together when the first support frame is unfolded and to disengage when the first support frame is folded.
3. The foldable electric vehicle of claim 2, wherein the first positioning member of the frame lock comprises a pivot portion pivotally disposed at the high end of the first support frame and a limit portion extending from the pivot portion, and the second positioning member is reciprocally disposed at the low end of the first support frame, wherein the second positioning member forms a limit end, wherein the limit portion of the first positioning member and the limit end of the second positioning member are configured to engage together.
4. The foldable electric vehicle of claim 3, wherein the position-limiting portion of the first positioning member of the frame lock forms a driving surface, and the position-limiting end of the second positioning member forms a driven surface, wherein the second positioning member is configured such that when the driving surface of the position-limiting portion of the first positioning member is pressed against the driven surface of the position-limiting end of the second positioning member under the action of a suitable pressure, the position-limiting end of the second positioning member can be driven to move in a direction away from the first positioning member, and when the driving surface is separated from the driven surface, the position-limiting end of the second positioning member can be moved in a direction approaching the first positioning member under the action of a suitable restoring force.
5. The foldable electric vehicle of claim 4, wherein the first positioning member of the frame lock forms an engaging position, and the engaging position is configured to be capable of being moved in a direction away from the first positioning member when the restraining end of the second positioning member is driven by the restraining portion of the first positioning member, and then being moved in a direction approaching the first positioning member by the appropriate restoring force, the restraining end of the second positioning member being capable of engaging with the engaging position of the first positioning member.
6. The foldable electric vehicle of claim 5, wherein the engaging portion is an engaging groove provided between the pivot portion and the stopper portion of the first positioning member.
7. The foldable electric vehicle of claim 6, wherein the frame lock further has a first reset member and a moving channel, the second positioning member further has a passive end opposite to the limit end, wherein the moving channel of the frame lock is formed at the lower end of the first support frame, wherein the second positioning member is reciprocally movably disposed in the moving channel, the first reset member is disposed between the passive end of the second positioning member and the lower end of the first support frame, wherein the first reset member is configured to apply the proper reset force to the passive end of the second positioning member to drive the passive end of the second positioning member to move in the moving channel in a direction approaching the first positioning member.
8. The foldable electric vehicle of claim 7, wherein the frame lock further comprises a driving bolt, wherein the driving bolt has a driving end, the second positioning member further has a passive portion, wherein the driving end of the driving bolt is disposed opposite to the passive portion of the second positioning member, and the passive portion of the second positioning member is disposed such that the restraining end of the second positioning member can be driven to move in a direction away from the first positioning member when a user applies a suitable amount of force to the passive portion of the second positioning member through the driving end of the driving bolt.
9. The foldable electric vehicle of claim 1, further comprising a frame lock, wherein the frame lock comprises a first engagement member and a second engagement member, the first support frame of the frame comprising a lower end and an upper end extending from the lower end, wherein the upper end of the first support frame is pivotally disposed at the lower end and the second engagement member is disposed at the lower end of the first support frame, wherein the first engagement member and the second engagement member are configured to engage together when the first support frame is unfolded and to disengage when the first support frame is folded.
10. The foldable electric vehicle of claim 2, wherein the frame lock further comprises a first engagement member and a second engagement member, the first support bracket of the frame comprising a lower end and an upper end extending from the lower end, wherein the upper end of the first support bracket is pivotally disposed at the lower end and the second engagement member is disposed at the lower end of the first support bracket, wherein the first engagement member and the second engagement member are configured to engage together when the first support bracket is unfolded and disengage when the first support bracket is folded.
11. The foldable electric vehicle of claim 9, wherein the frame lock further comprises a first positioning member pivotally disposed at the high end of the first support bracket, wherein the first engaging member is disposed at the first positioning member.
12. The foldable electric vehicle of claim 10, wherein the first engaging member of the frame lock is disposed at the first positioning member.
13. The foldable electric vehicle of claim 11, wherein the frame lock further has an operating cavity, wherein the operating cavity is disposed at the lower end of the first support bracket, wherein the operating cavity has an inner wall and an operating opening, wherein the second engaging member is disposed at the inner wall of the operating cavity.
14. The foldable electric vehicle of claim 12, wherein the frame lock further has an operating cavity, wherein the operating cavity is disposed at the lower end of the first support bracket, wherein the operating cavity has an inner wall and an operating opening, wherein the second engaging member is disposed at the inner wall of the operating cavity.
15. The foldable electric vehicle of claim 13, wherein the operating cavity further has a viewing opening, wherein the viewing opening is disposed opposite the second engaging member.
16. The foldable electric vehicle of claim 14, wherein the operating cavity further has a viewing opening, wherein the viewing opening is disposed opposite the second engaging member.
17. The foldable electric vehicle of claim 9, wherein the frame lock further comprises a second return member, wherein the second return member is disposed between the pivot end of the first engagement member and the second engagement member to be able to apply an outward pushing force to the pivot end of the first engagement member to maintain the first engagement member and the second engagement member engaged when engaged together.
18. The foldable electric vehicle of claim 16, wherein the frame lock further comprises a second return member, wherein the second return member is disposed between the pivot end of the first engagement member and the second engagement member to apply an outward pushing force to the pivot end of the first engagement member to maintain the first engagement member and the second engagement member engaged when engaged together.
19. The foldable electric vehicle of claim 2, wherein the frame lock further comprises a pivot link, wherein one end of the pivot link is pivotally disposed inside the pivot portion of the first fixing member and the other end is pivotally disposed at the lower end of the first support bracket.
20. The foldable electric vehicle of claim 11, wherein the frame lock further comprises a pivot link, wherein one end of the pivot link is pivotally disposed inside the pivot portion of the first fixing member and the other end is pivotally disposed at the lower end of the first support bracket.
21. The foldable electric vehicle of claim 2, further comprising a power control system, wherein the power control system comprises a power switch and a power circuit, wherein the power circuit is configured to provide power from the power source to the drive motor, wherein the power switch is configured to be depressed by the first positioning member when the first support bracket is unfolded and the first positioning member is pivoted to the low end of the first support bracket, thereby controlling the power circuit to be turned on, and to be turned off and controlling the power circuit to be turned off when the first positioning member is pivoted away from the low end of the first support bracket.
22. The foldable electric vehicle of claim 11, further comprising a power control system, wherein the power control system comprises a power switch and a power circuit, wherein the power circuit is configured to provide power from the power source to the drive motor, wherein the power switch is configured to be depressed by the first detent when the first support bracket is unfolded, thereby controlling the power circuit to be connected, and to be closed and controlling the power circuit to be disconnected when the first support bracket is folded.
23. The foldable electric vehicle of claim 21, wherein the frame lock further has an operating cavity, wherein the operating cavity is disposed at the lower end of the first support bracket, wherein the operating cavity has an inner wall, and the power switch is disposed at the inner wall of the operating cavity of the frame lock.
24. The foldable electric vehicle of claim 22, wherein the frame lock further has an operating cavity, wherein the operating cavity is disposed at the lower end of the first support bracket, wherein the operating cavity has an inner wall, and the power switch is disposed at the inner wall of the operating cavity of the frame lock.
25. The foldable electric vehicle of claim 21, wherein the first positioning member further comprises a control portion, wherein the control portion is configured to depress the power switch when the first support bracket is unfolded.
26. The foldable electric vehicle of claim 22, wherein the first positioning member further comprises a control portion, wherein the control portion is configured to depress the power switch when the first support bracket is unfolded.
27. A foldable electric vehicle according to claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25 or 26, characterized in that the frame further comprises a drive rod, wherein both ends of the drive rod are pivotally arranged at the front body and the lower end of the first support bracket of the frame, respectively.
28. The foldable electric vehicle of claim 1, further comprising a power control system, wherein the power control system comprises a controller, an inductor, and a power circuit, wherein the power circuit is in electrical communication with the power source and the drive motor, respectively, to provide power from the power source to the drive motor, the controller is in electrical communication with the power circuit and is configured to control the power circuit to provide power to the drive motor, wherein the inductor comprises a first induction module and a second induction module, wherein the inductor is configured to contact the first induction module and the second induction module of the inductor and generate an unfolding signal when the first support frame is unfolded, wherein the controller is configured to, upon receipt of the unfolding signal, allowing the electric power of the power source to be supplied to the driving motor through the power circuit.
29. The foldable electric vehicle of claim 2, further comprising a power control system, wherein the power control system comprises a controller, a sensor, and a power circuit, wherein the power circuit is in electrical communication with the power source and the drive motor, respectively, to provide power from the power source to the drive motor, the controller is in electrical communication with the power circuit and is configured to control the power circuit to provide power to the drive motor, wherein the sensor comprises a first sensing module and a second sensing module, wherein the sensor is configured to contact the first sensing module and the second sensing module of the sensor and generate a deployment signal when the first support frame is deployed, wherein the controller is configured to, upon receipt of the deployment signal, allowing the electric power of the power source to be supplied to the driving motor through the power circuit.
30. A foldable electric vehicle according to claim 28 or 29, characterized in that the controller is arranged to prevent the power of the power source from being supplied to the drive motor via the power circuit when the deployment signal is not received.
31. A frame for a foldable electric vehicle, comprising:
a holder main body; and
a first support frame, wherein the first support frame is provided at the frame main body, wherein the frame has an unfolded state and a folded state, wherein when the frame is in the unfolded state, the first support frame of the frame is unfolded and kept upright to be able to support a seat of the foldable electric vehicle in a proper position; when the frame is in the folded state, the first support frame of the frame is folded in the frame main body.
32. The frame of claim 31, further comprising a frame lock, wherein the frame lock includes a first positioning member and a second positioning member, the first support frame of the frame including a low end and a high end extending from the low end, wherein the high end of the first support frame is pivotally disposed at the low end, the first positioning member of the frame lock is disposed at the high end of the first support frame, the second positioning member is disposed at the low end of the first support frame, wherein the first positioning member and the second positioning member are configured to engage together when the first support frame is unfolded and disengage when the first support frame is folded.
33. The frame of claim 32, wherein the first positioning member of the frame lock includes a pivot portion pivotally disposed at the high end of the first support bracket and a limit portion extending from the pivot portion, the second positioning member is reciprocally disposed at the low end of the first support bracket, wherein the second positioning member forms a limit end, wherein the limit portion of the first positioning member and the limit end of the second positioning member are configured to engage together.
34. The frame of claim 33, wherein the position-limiting portion of the first positioning member of the frame lock forms a driving surface, and the position-limiting end of the second positioning member forms a driven surface, wherein the second positioning member is configured such that when the driving surface of the position-limiting portion of the first positioning member is pressed against the driven surface of the position-limiting end of the second positioning member under the action of a proper pressure, the position-limiting end of the second positioning member can be driven to move in a direction away from the first positioning member, and when the driving surface is separated from the driven surface, the position-limiting end of the second positioning member can be driven to move in a direction approaching the first positioning member under the action of a proper restoring force.
35. A frame as claimed in claim 34, wherein the first locating member of the frame lock forms an engagement location and the engagement location is arranged to enable the restraining end of the second locating member to engage the engagement location of the first locating member when the restraining end of the second locating member is driven by the restraining portion of the first locating member in a direction away from the first locating member and subsequently moved in a direction towards the first locating member under the influence of the appropriate restoring force.
36. The frame of claim 35, wherein the engagement location is an engagement slot formed between the pivot portion and the restraint portion of the first retaining member.
37. The frame of claim 36, wherein the frame lock further has a first reset member and a travel channel, the second positioning member further having a passive end opposite the restraint end, wherein the travel channel of the frame lock is formed at the lower end of the first support bracket, wherein the second positioning member is reciprocally movably disposed in the travel channel, the first reset member being disposed between the passive end of the second positioning member and the lower end of the first support bracket, wherein the first reset member is configured to apply the appropriate reset force to the passive end of the second positioning member to drive the passive end of the second positioning member to move in the travel channel in a direction approaching the first positioning member.
38. A frame as claimed in claim 37, wherein the frame lock further comprises an actuating bolt, wherein the actuating bolt has an actuating end, the second locating member further has a passive portion, wherein the actuating end of the actuating bolt is disposed opposite the passive portion of the second locating member, and the passive portion of the second locating member is disposed such that the restraint end of the second locating member can be actuated to move in a direction away from the first locating member when a user applies a suitable amount of force to the passive portion of the second locating member via the actuating end of the actuating bolt.
39. The frame of claim 31, further comprising a frame lock, wherein the frame lock includes a first engagement member and a second engagement member, the first support bracket of the frame including a lower end and a higher end extending from the lower end, wherein the higher end of the first support bracket is pivotally disposed at the lower end and the second engagement member is disposed at the lower end of the first support bracket, wherein the first engagement member and the second engagement member are configured to engage together when the first support bracket is unfolded and to disengage when the first support bracket is folded.
40. The frame of claim 32, wherein the frame lock further comprises a first engagement member and a second engagement member, the first support bracket of the frame including a lower end and an upper end extending from the lower end, wherein the upper end of the first support bracket is pivotally disposed at the lower end and the second engagement member is disposed at the lower end of the first support bracket, wherein the first engagement member and the second engagement member are configured to engage together when the first support bracket is unfolded and to disengage when the first support bracket is folded.
41. The frame of claim 39, wherein the frame lock further comprises a first positioning member pivotally disposed at the high end of the first support bracket, wherein the first engagement member is disposed at the first positioning member.
42. The frame of claim 40, wherein the first engagement member of the frame lock is disposed at the first positioning member.
43. The frame of claim 41, wherein the frame lock further has an operating cavity, wherein the operating cavity is disposed at the lower end of the first support bracket, wherein the operating cavity has an inner wall and an operating opening, wherein the second engagement member is disposed at the inner wall of the operating cavity.
44. The frame of claim 42, wherein the frame lock further has an operating cavity, wherein the operating cavity is disposed at the lower end of the first support bracket, wherein the operating cavity has an inner wall and an operating opening, wherein the second engagement member is disposed at the inner wall of the operating cavity.
45. The frame of claim 43, wherein the operating cavity further has a viewing opening, wherein the viewing opening is disposed directly opposite the second engagement member.
46. The frame of claim 44, wherein the operating cavity further has a viewing opening, wherein the viewing opening is disposed directly opposite the second engagement member.
47. The frame of claim 39, wherein the frame latch further comprises a second return member, wherein the second return member is disposed between the pivot end of the first engagement member and the second engagement member to enable an outward pushing force to be applied to the pivot end of the first engagement member to maintain the first engagement member and the second engagement member in engagement when engaged together.
48. The frame of claim 46, wherein the frame lock further comprises a second return member, wherein the second return member is disposed between the pivot end of the first engagement member and the second engagement member to apply an outward pushing force to the pivot end of the first engagement member to maintain the first engagement member and the second engagement member in engagement when engaged together.
49. The frame of claim 32, wherein the frame lock further comprises a pivot link, wherein one end of the pivot link is pivotally disposed inboard of the pivot portion of the first mount and the other end is pivotally disposed at the lower end of the first support bracket.
50. The frame of claim 41, wherein the frame lock further comprises a pivot link, wherein one end of the pivot link is pivotally disposed inboard of the pivot portion of the first mount and the other end is pivotally disposed at the lower end of the first support bracket.
51. A frame lock for a foldable electric vehicle frame, comprising:
a first positioning member; and
a second positioning member, wherein the first positioning member is disposed at a high end of the first support frame of the foldable electric vehicle frame and the second positioning member is disposed at a low end of the first support frame of the foldable electric vehicle frame, wherein the first positioning member and the second positioning member are configured to engage together when the first support frame is unfolded and to disengage when the first support frame is folded.
52. A frame lock according to claim 51, wherein the first locating member comprises a pivot portion pivotally arranged at the high end of the first support frame and a limit portion extending from the pivot portion, the second locating member is reciprocally arranged at the low end of the first support frame, wherein the second locating member forms a limit end, wherein the limit portion of the first locating member and the limit end of the second locating member are arranged to mesh together.
53. A frame lock according to claim 54, wherein the position-limiting portion of the first positioning member forms a driving surface and the position-limiting end of the second positioning member forms a driven surface, wherein the second positioning member is arranged such that when the driving surface of the position-limiting portion of the first positioning member is pressed against the driven surface of the position-limiting end of the second positioning member under the action of a suitable pressure, the position-limiting end of the second positioning member can be driven to move in a direction away from the first positioning member, and when the driving surface is separated from the driven surface, the position-limiting end of the second positioning member can be moved in a direction approaching the first positioning member under the action of a suitable restoring force.
54. A frame lock according to claim 53, wherein the first locating member forms an engagement location and the engagement location is arranged to enable the restraining end of the second locating member to be moved in a direction away from the first locating member by the restraining portion of the first locating member and to be engaged in the engagement location of the first locating member when subsequently moved in a direction towards the first locating member under the influence of the appropriate restoring force.
55. A frame lock according to claim 54, wherein the engagement formation is an engagement slot formed between the pivot portion and the retaining portion of the first retaining member.
56. The frame lock of claim 55, further comprising a first reset member and a travel channel, the second positioning member further comprising a passive end opposite the limit end, wherein the travel channel is formed at the lower end of the first support bracket, wherein the second positioning member is reciprocally movably disposed in the travel channel, the first reset member is disposed between the passive end of the second positioning member and the lower end of the first support bracket, wherein the first reset member is configured to apply the appropriate reset force to the passive end of the second positioning member to drive the passive end of the second positioning member to move in the travel channel in a direction approaching the first positioning member.
57. A frame lock according to claim 56, further comprising an actuating bolt, wherein the actuating bolt has an actuating end, the second locating member further has a passive portion, wherein the actuating end of the actuating bolt is disposed opposite the passive portion of the second locating member, and the passive portion of the second locating member is disposed such that the restraint end of the second locating member can be actuated to move in a direction away from the first locating member when a user applies a suitable amount of force to the passive portion of the second locating member via the actuating end of the actuating bolt.
58. The frame lock of claim 51, further comprising a first engagement member and a second engagement member, wherein the second engagement member is disposed at the lower end of the first support bracket, wherein the first engagement member and the second engagement member are configured to engage together when the first support bracket is unfolded and to disengage when the first support bracket is folded.
59. The frame latch of claim 58, wherein the first engaging member is disposed on the first positioning member.
60. The frame lock of claim 59, further comprising an operating cavity, wherein the operating cavity is disposed at the lower end of the first support bracket, wherein the operating cavity has an inner wall and an operating opening, wherein the second engagement member is disposed at the inner wall of the operating cavity.
61. The frame lock according to claim 60, wherein the operating chamber further has a viewing opening, wherein the viewing opening is disposed opposite the second engagement member.
62. The frame latch of claim 61, further comprising a second reset member, wherein the second reset member is disposed between the pivot end of the first engagement member and the second engagement member to enable an outward pushing force to be applied to the pivot end of the first engagement member to maintain the first engagement member and the second engagement member in engagement when engaged together.
63. The frame lock according to claim 62, further comprising a pivot link, wherein one end of the pivot link is pivotally disposed inside the pivot portion of the first fixing member and the other end is pivotally disposed at the lower end of the first support bracket.
64. A frame lock for a foldable electric vehicle frame, comprising:
a first engaging member; and
a second engagement member, wherein the second engagement member is disposed at a lower end of a first support frame of the foldable electric vehicle frame, wherein the first engagement member and the second engagement member are configured to engage together when the first support frame is unfolded and disengage when the first support frame is folded.
65. The frame latch of claim 64, further comprising a first positioning member pivotally disposed at the high end of the first support bracket, wherein the first engagement member is disposed at the first positioning member.
66. The frame lock according to claim 65, further comprising an operating cavity, wherein the operating cavity is disposed at the lower end of the first support bracket, wherein the operating cavity has an inner wall and an operating opening, wherein the second engaging member is disposed at the inner wall of the operating cavity.
67. The frame latch of claim 66, wherein the operating cavity further has a viewing opening, wherein the viewing opening is disposed directly opposite the second engagement member.
68. The frame latch of claim 64, further comprising a reset member, wherein the reset member is disposed between the pivot end of the first engagement member and the second engagement member to be able to apply an outward pushing force to the pivot end of the first engagement member to maintain the first engagement member and the second engagement member in engagement when engaged together.
69. The frame latch of claim 66, further comprising a pivot link, wherein one end of the pivot link is pivotally disposed inboard of the first mount and the other end is pivotally disposed at the lower end of the first support bracket.
70. The frame latch of claim 68, further comprising a pivot link, wherein one end of the pivot link is pivotally disposed inboard of the first mount and the other end is pivotally disposed at the lower end of the first support bracket.
71. A power control method for a foldable electric vehicle, comprising the steps of:
(A) starting the foldable electric vehicle; and
(B) if the controller of the foldable electric vehicle receives an unfolding signal, the controller allows power of a power source of the foldable electric vehicle to be supplied to a driving motor of the foldable electric vehicle according to a driving command; and if the controller of the foldable electric vehicle does not receive the unfolding signal, the controller prevents power of the power source of the foldable electric vehicle from being supplied to the driving motor of the foldable electric vehicle.
72. The power control method of claim 71, wherein the foldable electric vehicle has a sensor comprising a first sensing module and a second sensing module, wherein the sensor generates the deployment signal when the first sensing module and the second sensing module of the sensor of the foldable electric vehicle are in contact.
73. The power control method as claimed in claim 72, wherein the first and second sensing modules of the sensor are respectively disposed on a foldable support frame of the foldable electric vehicle, and the sensor is disposed such that the first and second sensing modules of the sensor contact each other when the foldable support frame is unfolded.
74. The power control method of claim 73, wherein the foldable support stand has a first fold and a second fold, wherein the first sensing module and the second sensing module of the sensor are respectively disposed at the first fold and the second fold of the foldable support stand, wherein the first sensing module and the second sensing module disposed at the first fold and the second fold, respectively, are capable of making contact when the foldable support stand is unfolded.
75. The power control method of claim 72, wherein the deployment signal generated by the sensor is transmitted to the controller of the foldable electric vehicle via an electronic communication network.
76. The power control method of claim 72, wherein the deployment signal generated by the sensor is transmitted to the controller of the foldable electric vehicle through a wire.
77. A power control system for a foldable electric vehicle, comprising:
a controller, wherein the controller is configured to control power of a power source of the foldable electric vehicle to be supplied to a driving motor of the foldable electric vehicle according to a driving command when receiving an unfolding signal; and preventing power of a power source of the foldable electric vehicle from being supplied to a driving motor of the foldable electric vehicle when the unfolding signal is not received.
78. The power control system of claim 7, further comprising a sensor comprising a first sensing module and a second sensing module, wherein the sensor generates the deployment signal when the first sensing module and the second sensing module of the sensor make contact, wherein the deployment signal is adapted to be transmitted to the controller.
79. The power control system of claim 78, wherein the first and second sensing modules of the sensor are respectively disposed on a foldable support of the foldable electric vehicle, and the sensor is configured to contact the first and second sensing modules of the sensor when the foldable support is unfolded.
80. The power control system of claim 79, wherein the deployment signal generated by the sensor is transmitted to the controller of the foldable electric vehicle via an electronic communication network.
CN201811168424.3A 2018-10-08 2018-10-08 Foldable electric vehicle and frame lock thereof Pending CN111003091A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201811168424.3A CN111003091A (en) 2018-10-08 2018-10-08 Foldable electric vehicle and frame lock thereof
PCT/CN2018/109468 WO2020073195A1 (en) 2018-10-08 2018-10-09 Collapsible electric vehicle, vehicle frame for same, and vehicle frame lock
US17/283,541 US11904976B2 (en) 2018-10-08 2018-10-09 Collapsible electric vehicle, vehicle frame for same, and vehicle frame lock
EP23179854.7A EP4234382A3 (en) 2018-10-08 2018-10-09 Collapsible electric vehicle, vehicle frame for same, and vehicle frame lock
EP18936508.3A EP3865385A4 (en) 2018-10-08 2018-10-09 Collapsible electric vehicle, vehicle frame for same, and vehicle frame lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811168424.3A CN111003091A (en) 2018-10-08 2018-10-08 Foldable electric vehicle and frame lock thereof

Publications (1)

Publication Number Publication Date
CN111003091A true CN111003091A (en) 2020-04-14

Family

ID=70110678

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811168424.3A Pending CN111003091A (en) 2018-10-08 2018-10-08 Foldable electric vehicle and frame lock thereof

Country Status (1)

Country Link
CN (1) CN111003091A (en)

Similar Documents

Publication Publication Date Title
US9242665B2 (en) Vehicle frame assembly
US4711494A (en) Foldable headrest for vehicle rear seat
EP2805867B1 (en) A stroller frame with an automatic brake mechanism actuatable by hand detecting
US20140137370A1 (en) Positioning mechanism for travel bag retractable handle
TW201718309A (en) Cargo cycle with passenger seats
WO2010081144A1 (en) Seat with integral retaining wall
CN103863153A (en) Reclining apparatus for a rear seat of a vehicle
US20080224513A1 (en) Lock for Forward-Folding Backrest
US20160089285A1 (en) Folding device for power scooters
US7845726B2 (en) Compactible juvenile vehicle seat
US7517008B2 (en) Remote release seat cushion lock with one hand operation
CN107176069B (en) Turnover cup stand for central armrest of rear seat of automobile
EP1927502B1 (en) Child vehicle safety seat
CN110562103A (en) Children's safety seat ISOFIX connecting device and children's safety seat
WO2020073195A1 (en) Collapsible electric vehicle, vehicle frame for same, and vehicle frame lock
CN106627929B (en) Foldable electric scooter and frame thereof
CN111003091A (en) Foldable electric vehicle and frame lock thereof
CN113147538B (en) Car and many connecting rods folding seat chair thereof
JP5566978B2 (en) Vehicle rear structure
CN107128220B (en) Automobile seat for children
KR101357410B1 (en) retractable table for automobile
CN210634621U (en) Baby carriage with seat capable of being reversed front and back
CN210027556U (en) Folding frame structure of baby stroller
KR20220085420A (en) Moving console box for van
JP3081977U (en) Tricycle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination