CN210139929U

CN210139929U - Portable folding electric vehicle

Info

Publication number: CN210139929U
Application number: CN201920557654.2U
Authority: CN
Inventors: 罗茜; 韦国勇; 杨彬; 李玉祥
Original assignee: Guangxi Nigola Technology Co ltd
Current assignee: Guangxi Technological College of Machinery and Electricity
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-03-13
Anticipated expiration: 2029-04-23

Abstract

The utility model belongs to the technical field of small electric vehicles, in particular to a portable folding electric vehicle, which takes a storage battery as a driving force source and comprises a frame, a front wheel and a rear wheel which are arranged at the bottom of the frame; characterized in that the frame comprises: the second front folding end of the front chassis is connected with the first rear folding end of the rear chassis through a second hinge piece; the upper section of the front support frame is provided with a steering control device on the inner side, and the bottom end of the front support frame is connected with a first front folding end of the front chassis through a first hinge piece; the top of the rear supporting frame is provided with a cushion bracket and one end connected with a supporting and jacking folding piece; the bottom end of the rear chassis is connected with a second rear folding end of the rear chassis through a third hinge piece; and the other end of the supporting top folding piece is arranged on the rear chassis. The utility model has the characteristics of can lightly fold and smoothly expand again, can also wholly realize the push-and-pull removal after folding, can save physical power etc.

Description

Portable folding electric vehicle

Technical Field

The utility model relates to a small-size foldable electric scooter's technical field, concretely relates to portable foldable electric scooter.

Background

The electric skateboard is based on the traditional skateboard, the current electric skateboard is generally divided into two driving modes of double-wheel driving and single-wheel driving, and the most common driving modes are respectively as follows: HUB electric motors (HUB) and belt drives, the primary source of power being lithium batteries.

Through relevant Chinese patent documents searched, some patent documents about the foldable electric vehicle are found, and are listed as follows:

1. < chinese patent/application No. >201510998961.0< utility model name > double-folding electric vehicle < abstract > relates to a vehicle. The utility model aims at solving the problem that the existing ordinary electric vehicle is large in volume, heavy in weight, small-sized foldable electric vehicle is folded upwards in the front of the vehicle frame for one time, can not stand by oneself after being folded, can not make the wheel rotate and pull, is inconvenient to carry, and is inconvenient to bring into in public place and public transport.

2. The utility model provides a folding electric vehicle < abstract > with Chinese patent/application number >201410677404.4< utility model name > discloses a folding electric vehicle with convenient use, which comprises a vehicle seat, a wheel and a pair of pedals, and is characterized by also comprising a front fork component, a vehicle beam, a bearing frame, a supporting frame, a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft and a battery, wherein the front fork component is positioned at the front end of the electric vehicle; the battery provides power support for the bicycle; the bearing frame comprises a pair of bearing rods and a base, wherein a first braking device is arranged on the base, and the front fork assembly can rotate around a first rotating shaft through the first braking device; the front end of the vehicle beam is connected with the front end of the bearing frame through a second rotating shaft; the tail part of the vehicle beam is provided with a sliding plate, the middle part of the vehicle beam is provided with a seat clamping position, the seat clamping position is provided with a second braking device, and whether the sliding plate slides on the vehicle beam or not can be controlled through the second braking device; the two side wings of the sliding plate are connected with the end parts of the supporting frames through a pair of third rotating shafts, the intersecting parts of the supporting frames and the bearing frames are connected with fourth rotating shafts, and the tail ends of the supporting frames are connected with foot pedals.

3. < chinese patent No./application No. >201810781372.0< utility model name > a foldable electric scooter < abstract > relates to a foldable electric scooter, including articulated locomotive, preceding chassis, back chassis and seat in proper order to and be used for folding or expand foldable electric scooter's connecting rod folding mechanism, connecting rod folding mechanism with locomotive, preceding chassis, back chassis and seat are articulated, when foldable electric scooter is folding, connecting rod folding mechanism drives locomotive, preceding chassis, back chassis and seat and is "W" shape and fold up in step.

4. < chinese patent/application No. >201510837228.0< utility model name > a foldable electric vehicle < abstract > a foldable electric vehicle, including an electric vehicle and a folding device; the electric vehicle is an electric vehicle with front wheel steering and rear wheel driving, and comprises a front part and a rear part; the front part and the rear part are connected through a middle shaft, and the front part is rotationally connected with the middle shaft; the folding device comprises a remote control device, a control panel controlled by the remote control device and a folding mechanism positioned in the electric vehicle; the remote control device sends a command of unfolding or folding the vehicle to the control panel; the control panel controls a motor in the folding mechanism to drive a hydraulic rod in the folding mechanism to extend or shorten, so that the vehicle is unfolded or folded.

The prior electric skateboard and the four patent documents have the following common points: is small and portable. However, the long time is spent on the small and light weight, but the driving safety is neglected; because the device is small in size, the turning radian required by turning is large, and congestion and even accidents are easy to happen when people flow densely; moreover, the weight of an adult is generally more than 60Kg, the height is also more than 160cm, and the sitting height is also more than 120cm mostly during riding, so that the gravity center is on the upper side, and the riding stability is poor. Therefore, the electric vehicle industry is continuously dedicated to developing safe, stable and portable electric drive vehicles.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the defect of prior art, and provide a can guarantee to go safety and stability and portable foldable electric scooter that can lightly carry again.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

a portable folding electric vehicle takes a storage battery as a driving force source and comprises a frame, a front wheel and a rear wheel, wherein the front wheel and the rear wheel are arranged at the bottom of the frame; the frame includes:

the second front folding end of the front chassis is connected with the first rear folding end of the rear chassis through a second hinge piece;

the upper section of the front support frame is provided with a steering control device on the inner side, and the bottom end of the front support frame is connected with a first front folding end of the front chassis through a first hinge piece;

the top of the rear supporting frame is provided with a cushion bracket and one end connected with a supporting and jacking folding piece; the bottom end of the rear chassis is connected with a second rear folding end of the rear chassis through a third hinge piece; and the other end of the supporting top folding piece is arranged on the rear chassis.

Furthermore, the supporting top folding piece comprises an upper supporting top piece, a locking piece, a lower supporting top piece and a support, the bottom end of the upper supporting top piece is connected with the top end of the lower supporting top piece through the locking piece, and the bottom end of the lower supporting top piece is hinged with the support; the lock catch piece can be respectively hinged with the upper supporting piece and the lower supporting piece and can realize a self-locking function, namely when the vehicle body is unfolded to a set position, the lock catch piece realizes a locking function; when the folding is needed, the locking state of the locking fastener is manually released, and the folding can be realized.

Furthermore, one end of a telescopic supporting and ejecting piece is connected to the front support frame, the other end of the telescopic supporting and ejecting piece is installed on the front chassis, and the telescopic supporting and ejecting piece plays an auxiliary supporting role in the front support frame, so that the front support frame has a stable and firm structure when in an unfolded state, and the instability phenomenon that the front support frame is folded inwards when in use is avoided.

Furthermore, the telescopic supporting and ejecting piece is made of two gas springs which are arranged in parallel, and the gas springs are industrial accessories which can have the functions of supporting, buffering, braking, height adjusting, angle adjusting and the like. It is composed of the following parts: the device comprises a pressure cylinder, a piston rod, a piston, a sealing guide sleeve, a filler (inert gas or oil-gas mixture), an in-cylinder control element, an out-cylinder control element (a controllable gas spring), a joint and the like. The principle is that inert gas or oil-gas mixture is filled in a closed pressure cylinder, the pressure in a cavity is several times or dozens of times higher than the atmospheric pressure, and the motion of a piston rod is realized by utilizing the pressure difference generated by the cross section area of the piston rod smaller than that of the piston. Due to the fundamental difference in principle, the gas spring has very remarkable advantages compared with the common spring: the speed is relatively slow, the dynamic force change is not large (generally within 1: 1.2), and the control is easy.

Furthermore, a locking piece is further installed between the front chassis and the rear chassis, the locking piece can further strengthen the stable connection between the front chassis and the rear chassis, and unstable factors such as folding of the vehicle passing through a pit are avoided.

Furthermore, the steering control device comprises a handle, a driving part, a steering protective cylinder, a pushing part, a steering part and a swinging part, wherein the driving part penetrates through the steering protective cylinder, the top end of the driving part is connected with the handle, the bottom end of the driving part is connected with one end of the pushing part, the other end of the pushing part is connected with one end of the steering part, and the other end of the steering part is connected with the swinging part.

Further, the swinging piece is of an L-shaped structure.

Furthermore, the cushion support is connected with the top end of the rear support frame in a hinge mode.

Furthermore, a detachably mounted cushion is mounted on the cushion support.

Further, the cushion has certain elasticity and softness.

Compared with the prior art, the utility model, outstanding substantive characteristics and the progress that is showing have: the defect of the existing sliding plate electric vehicle is overcome, the structural stability is high, and the driving safety is greatly improved; the turning is safe, and the turning amplitude required by the turning is small; the vehicle has small volume and light weight, accords with human engineering after being completely unfolded, is convenient for flexible control and driving, and is convenient for storage and movement after being completely folded; the front support frame, the chassis and the rear support frame can be bent, the length of the chassis is shortened after the chassis is bent, and the space occupied by the front support frame and the rear support frame is smaller; the whole structure after bending can realize easy pulling; the automobile rear box can be conveniently brought into rooms, shopping malls and public transport means, the rear box of a car and the cab of a large truck are put into the automobile rear box, the loss rate is effectively reduced, the use efficiency is improved, and convenience is brought to green travel of people.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a portable foldable electric vehicle according to the present invention;

FIG. 2 is a schematic view of the connection of the front and rear chassis;

element names and serial numbers in the drawings: the front chassis comprises a front chassis 1, a first front folding end 2, a first hinge part 3, a fixed end 4, a front wheel 5, a swinging part 6, a front wheel support 7, a connecting rod 8, a steering part 9, a pushing part 10, a linkage part 11, a front support frame 12, an auxiliary reinforcing part 121, a steering protective cylinder 13, a reinforcing plate 14, a driving part 15, a handle 16, a pedal 17, a second front folding end 18, a first rear folding end 19, a rear chassis 20, a rear wheel 21, a cushion support 22, a cushion 23, a rear support frame 24, an upper supporting part 25, a locking part 26, a third hinge part 27, a second rear folding end 28, a lower supporting part 29, a reinforcing rod 30, a support 31, a bottom plate 32, a locking part 33, a telescopic supporting part 34, a front reinforcing rod 35, a second hinge part 36 and a rear reinforcing rod 37.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 2, a portable foldable electric vehicle, which uses a battery as a driving force source, includes a frame, and front and

rear wheels

5 and 21 mounted on the bottom of the frame; the frame includes: the chassis comprises a front chassis 1 and a rear chassis 20, wherein a second front folding end 18 of the front chassis 1 is connected with a first rear folding end 19 of the rear chassis 20 through a second hinge piece 36; the upper section of the front support frame 12 is provided with a steering control device on the inner side, and the bottom end of the front support frame is connected with the first front folding end 2 of the front chassis 1 through a first hinge part 3; a rear support frame 24, the top of which is provided with a cushion support 22 and one end connected with a supporting folding piece; and the bottom end thereof is connected to a second rear folded end 28 of the rear chassis 20 by a third hinge member 27; and the other end of the supporting top folding piece is arranged on the rear chassis 20; the components are connected to form the finished portable folding electric bicycle frame.

The power source for the whole vehicle is a storage battery which can be a lithium battery and the like; in addition to the battery, various circuits and control elements connected to the battery, such as a driving motor for driving the rear wheel 21 to rotate, a gear adjustment, etc., are also required to control the vehicle speed, and a vehicle headlamp, a turn signal lamp, a tail lamp, and a hand brake or a foot brake, etc., required for lighting are also required.

As shown in fig. 1, the supporting top folding member comprises an upper supporting top 25, a locking member 26, a lower supporting top 29 and a support 31, wherein the bottom end of the upper supporting top 25 is connected with the top end of the lower supporting top 29 through the locking member 26, and the bottom end of the lower supporting top 29 is hinged with the support 31; the locking fastener 26 has a self-locking function, namely when the frame is unfolded to a set position, the locking fastener realizes a locking function, and when the frame needs to be folded, the locking fastener can realize an unlocking function on the locking state of the locking fastener 26 manually; after unlocking, the upper top piece 25 and the lower top piece 26 can realize swinging movement, namely the top supporting folding piece realizes a folding function; in order to realize better swinging of the upper supporting piece 25 and the lower supporting piece 26, the other end of the upper supporting piece 25 is connected with the rear supporting frame 24 in a hinge mode, and the other end of the lower supporting piece 26 is connected with the rear chassis 20 in a hinge mode; further, when the locking member 26 is in the locked state, the relative positions of the upper support member 25 and the lower support member 26 are fixed.

In order to prevent the front support frame 12 from swinging inwards when in the unfolded state, a telescopic supporting member 34 is added, as shown in fig. 1, one end of the telescopic supporting member 34 is connected to an auxiliary reinforcing member 121 mounted on the front support frame 12, and the other end is mounted on the front chassis 1; the installation and connection mode adopts hinge connection, and the purpose of the hinge connection is as follows: when the telescopic supporting and ejecting member 34 is in a contracted state, two end points of the telescopic supporting and ejecting member 34 can freely swing around respective connecting supports; at the same time, the folding of the front support frame 12 is also facilitated.

The telescopic supporting member 34 is made of two gas springs arranged in parallel, and 100N gas springs can be selected.

As shown in fig. 2, in order to ensure structural stability and firmness of the chassis during the driving process, a locking member 33 is further installed between the front chassis 1 and the rear chassis 20, and the locking member 33 can be of a bolt structure or a bolt structure, so that the locking member 33 can be quickly removed when the folding operation is convenient; meanwhile, in order to enhance the strength of the joint of the front chassis 1 and the rear chassis 20, a front reinforcing rod 35 is installed below the end surface of the front chassis 1 and at a certain distance from the end surface, and a rear reinforcing rod 37 is installed below the end surface of the rear chassis 20 and at a certain distance from the end surface; after installation, the second hinge element 36 is installed so that there is sufficient space between the front and

rear reinforcement bars

35, 37, and during installation, one hinge of the second hinge element 36 is connected to the front reinforcement bar 35 and the other hinge is connected to the rear reinforcement bar 37.

The steering control device comprises a handle 16, a driving piece 15, a steering protective cylinder 13, a pushing piece 10, a steering piece 9 and a swinging piece 6, wherein the driving piece 15 penetrates through the steering protective cylinder 13, the top end of the driving piece 15 is connected with the handle 16 in an installing mode, the bottom end of the driving piece is connected with one end of the pushing piece 10 in an installing mode, the other end of the pushing piece 10 is connected with one end of the steering piece 9, and the other end of the steering piece 9 is connected with the swinging piece 6.

In order to realize the fixed connection of the steering protective cylinder 13, the steering protective cylinder is connected with a reinforcing plate 14, and the reinforcing plate 14 is connected with the upper section of the front support frame 12; the reinforcing plate 14 can play a role in connecting and reinforcing the upper section of the front support frame 12.

In order to enable the steering control device to realize unified control steering on the two front wheels 5, a connecting linkage piece 11 is arranged at the other end of the swinging piece 6 for installing and connecting the front wheels 5, namely two ends of the linkage piece 11 are respectively connected with one swinging piece 6; one of the swinging members 6 is also connected with one end of the steering member 9; the linkage piece 11 and the swinging piece 6 can be driven by the steering piece 9 to perform linkage steering swinging conveniently.

Moreover, in order to enable the swinging piece 6 to obtain accurate swinging of the front wheel 5, the swinging piece is of an L-shaped structure, namely a right-angle shape, and has two right-angle sides, wherein one side of the swinging piece is connected with the front wheel 5, the other side of the swinging piece is connected with the linkage piece 11, the right-angle end is hinged with the front wheel support 7 through a rotating shaft, the front wheel support 7 is of a U-shaped notch structure, and the upper surface and the lower surface of a notch of the front wheel support are respectively connected with one end of the rotating shaft of; so that the oscillating piece 6 is made to oscillate about the axis of rotation.

As shown in fig. 1, two front wheel supports 7 are respectively mounted at one end of a connecting rod 8, the connecting rod 8 is mounted below the front end of the front chassis 1, the connecting rod 8 is lower than the bottom surface of the front chassis 1, a connecting piece is led out from the front chassis 1 to connect the connecting rod 8, and the connecting piece inclines forwards and downwards, namely the connecting rod 8 and the front chassis 1 are bent; so that on the one hand the height of the chassis can be raised and on the other hand a strengthening supporting effect can be achieved for the front chassis 1.

As shown in fig. 1, in order to facilitate the seat cushion bracket 22 to swing around the front end of the rear support frame 24, the seat cushion bracket 22 is hinged to the top end of the rear support frame 24; when the cushion bracket 22 rotates clockwise, the cushion bracket can rotate to the top surface of the rear supporting frame 24, and the rear supporting frame 24 is used as a support; when the cushion bracket 22 rotates anticlockwise, the cushion bracket can rotate to the lower part of the top end of the rear support frame 24, so that the cushion bracket 22 is accommodated in a cavity formed between the rear support frame 24 and the chassis; can be favorable for saving the space occupied by folding when the frame is folded.

And, a detachable seat cushion 23 is installed on the seat cushion bracket 22.

In order to provide a comfortable cushion 23 for the user, the cushion 23 has a certain elasticity and softness; thereby providing a more comfortable shock absorption effect.

The chassis is also provided with a pedal 17 which provides a pedal for a user and prevents sludge and sewage from splashing upwards to the feet of the user when the vehicle runs; in order to provide a more comfortable shock absorbing effect, the connecting rod 8 is connected with the front chassis 1 by a shock absorber, and the whole structure of the rear wheel 21 is connected with the frame by the shock absorber.

As shown in fig. 1, the foldable electric scooter of the present invention is in an unfolded state, and the foldable operation of the present invention is: the locking piece 33 between the front chassis 1 and the rear chassis 20 is removed, the locking state of the locking piece 26 in the telescopic supporting top piece is released, external force is applied to the rear supporting frame 24 from the locking piece 26, and the upper supporting top piece 25 and the lower supporting top piece 29 swing; the cushion 23 is removed, the cushion bracket 22 is rotated anticlockwise around the front end of the rear support frame 24 to the position below the front end of the support frame 24, at the moment, an acute angle is formed between the plane of the cushion bracket 22 and the top surface of the rear support frame 24, downward external force is applied to the rear support frame 24, and the rear support frame 24 is pressed to a set position; applying an external force (the external force is greater than the set maximum value of the telescopic supporting and ejecting piece 34) to the steering control device, enabling the telescopic supporting and ejecting piece 34 to contract, enabling the steering control device to bend inwards in a swinging mode around the first front folding end 2 of the front chassis 1 to be bent to a set bending position, then upwards pulling the joint of the front chassis 1 and the rear chassis 20, enabling the front chassis 1 and the rear chassis 20 to be bent downwards, respectively applying opposite external forces to the front chassis 1 and the rear chassis 20, and enabling the front chassis 1 and the rear chassis 20 to swing to a folding set position around the joint; i.e. the folding operation is completed.

The utility model has the advantages that: the defect of the existing sliding plate electric vehicle is overcome, the structural stability is high, and the driving safety is greatly improved; the turning is safe, and the turning amplitude required by the turning is small; the front support frame, the chassis and the rear support frame can be bent, the length of the chassis is shortened after the chassis is bent, and the positions of spaces occupied by the front support frame and the rear support frame are smaller; the whole structure after bending can realize easy pulling; the automobile rear box can be conveniently brought into rooms, shopping malls and public transport means, the rear box of a car and the cab of a large truck are put into the automobile rear box, the loss rate is effectively reduced, the use efficiency is improved, and convenience is brought to green travel of people.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A portable folding electric vehicle takes a storage battery as a driving force source and comprises a frame, a front wheel and a rear wheel, wherein the front wheel and the rear wheel are arranged at the bottom of the frame; characterized in that the frame comprises:

2. The portable folding electric vehicle according to claim 1, characterized in that: the supporting top folding piece comprises an upper supporting piece, a locking piece, a lower supporting piece and a support, the bottom end of the upper supporting piece is connected with the top end of the lower supporting piece through the locking piece, and the bottom end of the lower supporting piece is hinged to the support.

3. The portable folding electric vehicle according to claim 1, characterized in that: one end of a telescopic supporting and ejecting piece is connected to the front supporting frame, and the other end of the telescopic supporting and ejecting piece is installed on the front chassis.

4. The portable folding electric vehicle according to claim 3, characterized in that: the telescopic supporting and ejecting piece is made of two gas springs which are arranged in parallel.

5. The portable folding electric vehicle according to claim 1, characterized in that: and a locking piece is also arranged between the front chassis and the rear chassis.

6. The portable folding electric vehicle according to claim 1, characterized in that: the steering control device comprises a handle, a driving part, a steering protective cylinder, a pushing part, a steering part and a swinging part, wherein the driving part penetrates through the steering protective cylinder, the top end of the driving part is connected with the handle in an installing mode, the bottom end of the driving part is connected with one end of the pushing part in an installing mode, the other end of the pushing part is connected with one end of the steering part, and the other end of the steering part is connected with the swinging part.

7. The portable folding electric vehicle according to claim 6, characterized in that: the swinging piece is of an L-shaped structure.

8. The portable folding electric vehicle according to claim 1, characterized in that: the cushion support is connected with the top end of the rear support frame in a hinge mode.

9. The portable folding electric vehicle according to claim 1 or 8, characterized in that: the cushion bracket is provided with a detachably mounted cushion.

10. The portable folding electric vehicle according to claim 1, characterized in that: the cushion has certain elasticity and compliance.