CN109591942B

CN109591942B - Folding electric vehicle

Info

Publication number: CN109591942B
Application number: CN201910107376.5A
Authority: CN
Inventors: 欧阳湘林
Original assignee: Shandong Luke Vehicle Manufacturing Co ltd
Current assignee: Shandong Luke Vehicle Manufacturing Co ltd
Priority date: 2019-02-02
Filing date: 2019-02-02
Publication date: 2024-05-10
Anticipated expiration: 2039-02-02
Also published as: CN109591942A; WO2020156557A1

Abstract

The invention discloses a folding electric vehicle which comprises a front fork, a pedal and a seat support, wherein the upper part of the seat support is of a hollow structure, the seat support can rotate around the rear end of the pedal, the front fork can rotate around the front end of the pedal, and when the seat support forwards rotates to be abutted against the pedal, the front fork backwards rotates to be accommodated in the hollow part of the seat support and tightly clamps the seat support. The folding device is simple in folding operation, high in folding efficiency, convenient to carry and capable of greatly reducing storage space.

Description

Folding electric vehicle

Technical Field

The present invention relates to an electric vehicle. More specifically, the invention relates to a folding electric vehicle, which belongs to the technical field of portable vehicles.

Background

Electric vehicles, i.e. electric drive vehicles, can be divided into according to the number of tires and the type of structure: electric bicycles, electric motorcycles, electric wheelbarrows, electric quadricycles, electric tricycles, electric scooters and the like, china is the first major country of electric bicycles, electric bicycles provide great convenience for people to travel, but because the storage space of the electric bicycles is occupied relatively large, the main consumer market is small towns and villages, certain limitations exist in use in major cities, so that a large number of small folding electric bicycles, including small vehicles such as electric scooters and balance cars, are started to emerge in recent years, the diameters of wheels are made smaller and smaller, the portability is improved, the comfort and the safety are greatly reduced, and the use experience is not ideal. Therefore, how to greatly improve the portability of the electric bicycle on the premise that the comfort and the safety of the electric bicycle reach or approach the standards of the full-size electric bicycle is a problem that needs to be solved by greatly pushing the electric bicycle.

Disclosure of Invention

An object of the present invention is to provide a folding electric vehicle which can fold a saddle rapidly, is simple to operate, has high folding efficiency, is convenient to carry, and reduces a storage space.

To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a folding electric vehicle including a front fork, a pedal plate, and a seat bracket having a hollow structure at an upper portion thereof, the seat bracket being rotatable about a rear end of the pedal plate, the front fork being rotatable about a front end of the pedal plate, the front fork being rotatably received in the hollow portion of the seat bracket and clamping the seat bracket when the seat bracket is rotated forward to be abutted against the pedal plate.

Preferably, the folding electric vehicle includes a rear fork folding subassembly, which includes:

The pair of rear fork folding rods are symmetrically arranged on two sides of the pedal, the upper parts of the pair of rear fork folding rods are fixedly connected with the saddle bracket, the lower parts of the rear fork folding rods are provided with first extension surfaces, the radial sections of the first extension surfaces are arched, the pair of first extension surfaces are rotatably connected with the rear end of the pedal through rear fork folding shafts, the rear fork folding limiting check rings are arranged on the rear fork folding rods and are higher than the first extension surfaces, the cambered surfaces of the first extension surfaces are provided with first conical surfaces with the radial lengths gradually increasing from top to bottom, and the first conical surfaces are higher than the rear fork folding shafts;

the pair of rear fork folding lock rods are sleeved on the rear fork folding shaft and fixedly connected with the rear end of the pedal, the upper part of the rear fork folding lock rod is provided with a second extension surface, the contact surface of the second extension surface and the first extension surface is a plane, the cambered surface of the second extension surface is provided with a second conical surface with the radial length gradually increasing from top to bottom, and the second conical surface is higher than the rear fork folding shaft;

The pair of rear fork folding sleeves are respectively sleeved on the pair of rear fork folding rods correspondingly, the rear fork folding sleeves are sleeved with rear fork folding limit check rings, limiting blocks are arranged on the inner walls of the rear fork folding sleeves along the radial direction and are lower than the rear fork folding limit check rings, and the sleeve connecting rods are connected with the pair of rear fork folding sleeves to form holding parts for lifting the pair of rear fork folding sleeves;

the sleeve return springs are respectively sleeved on the pair of rear fork folding rods correspondingly, the lower ends of the sleeve return springs are abutted with the limiting blocks, and the upper ends of the sleeve return springs are abutted with the rear fork folding limiting check rings;

When the sleeve return spring is compressed to the point that the rear fork folding sleeve is separated from the second extension surface, the rear fork folding rod can rotate around the rear fork folding shaft.

Preferably, the folding electric vehicle further comprises a front fork folding subassembly, which comprises:

the front fork folding connecting rod is obliquely arranged between the front fork and the front end of the pedal, the upper end of the front fork folding connecting rod is fixedly connected with the front fork, the lower end of the front fork folding connecting rod is rotatably connected with the front end of the pedal through a front fork folding shaft, and a chute is formed in the lower part of the side surface of the front fork folding connecting rod, which faces the pedal;

The front fork folding sliding block and the front fork folding limiting pin are arranged in the sliding groove in a sliding manner, the front fork folding limiting pin is arranged on the front fork folding sliding block in a penetrating manner, two ends of the front fork folding limiting pin extend to the outside of the front fork folding sliding block, and the front fork folding limiting pin is perpendicular to the sliding direction of the front fork folding sliding block;

The upper end of the sliding block reset spring is fixedly connected with the front fork folding connecting rod, the lower end of the sliding block reset spring is fixedly connected with the front fork folding sliding block, and the elastic force of the sliding block reset spring can drive the front fork folding sliding block to slide in the sliding groove;

The front fork folding limiting plates are symmetrically arranged on two sides of the lower end of the front fork folding connecting rod, the front fork folding limiting plates are sleeved on the front fork folding shaft and fixedly connected with the front end of the pedal, the top of the front fork folding limiting plates is of an arc-shaped structure with the height decreasing in sequence along the direction close to the pedal, an upper limiting notch and a lower limiting notch are formed in the edge of the arc edge, and two ends of the front fork folding limiting pin can be clamped on the pair of upper limiting notches or the pair of lower limiting notches;

when the elastic force of the slider return spring enables the front fork folding limiting pin to be clamped on the pair of upper limiting notches, the front fork is in an unfolding state, and when the elastic force of the slider return spring enables the front fork folding limiting pin to be clamped on the pair of lower limiting notches, the front fork is in a folding state.

Preferably, the upper part of the chute is fixedly provided with a convex block, the upper end of the sliding block return spring is fixedly connected with the convex block, the front fork folding sliding block is fixedly connected with a cylindrical pull lug, and the middle part of the pull lug is provided with a cylindrical through hole.

Preferably, the upper limit notch is higher than the pedal, the opening direction of the upper limit notch is upward, the lower limit notch is lower than the pedal, the opening direction of the lower limit notch faces the rear wheel of the folding electric vehicle and is parallel to the pedal, and the upper limit notch and the lower limit notch are of similar V-shaped structures with included angles of 45 degrees.

Preferably, the number of limiting blocks in each rear fork folding sleeve is 2, and the 2 limiting blocks are symmetrical about the axis of the rear fork folding sleeve.

Preferably, the sleeve connecting rod is of a U-shaped structure, and two ends of the U are respectively and correspondingly fixedly connected with the side walls of the pair of rear fork folding sleeves.

Preferably, the folding electric vehicle further comprises a handle folding subassembly, which comprises:

The folding shaft of the handlebar is horizontally and fixedly arranged at the upper end of the front fork and is parallel to the travelling direction of the folding electric vehicle, the folding shaft of the handlebar is cylindrical with two open ends, the rear end of the folding shaft of the handlebar is provided with a cover plate, and an upper groove and a lower groove are axially formed in the outer wall, close to the front end, of the folding shaft of the handlebar;

The upper end of the handle bar is provided with a holding part, the lower end of the handle bar is fixedly connected with a handle bar folding fixed shaft sleeve, the handle bar folding fixed shaft sleeve is in a circular shape, the pair of handle bar folding fixed shaft sleeves are spliced to form a circular shape, the pair of handle bar folding fixed shaft sleeves are sleeved on the handle bar folding shaft in a tandem manner, a first limit notch is arranged at the position, corresponding to the upper groove, of the inner wall of the handle bar folding fixed shaft sleeve, a second limit notch is arranged at the position, corresponding to the lower groove, of the inner wall of the handle bar folding fixed shaft sleeve, the first limit notch and the second limit notch are both positioned at the edge of the contact surface of the pair of handle bar folding fixed shaft sleeves, and the pair of first limit notches are matched to form a hemispherical first cavity, and the pair of second limit notches are matched to form a hemispherical second cavity;

A handlebar locking assembly, comprising: the handle bar locking side cover is abutted with the front side of the handle bar folding fixing shaft sleeve far away from the cover plate, the upper part of one handle bar positioning steel ball is contained in the first cavity, the lower part of the other handle bar positioning steel ball is contained in the upper groove, the upper part of the other handle bar positioning steel ball is contained in the lower groove, the lower part of the other handle bar positioning steel ball is contained in the second cavity, the handle bar locking pull rod and the handle bar locking pull rod pressing block are of U-shaped structures, the handle bar locking pull rod and the handle bar locking pull rod pressing block are vertically arranged, the opening end of the handle bar locking pull rod is correspondingly and detachably connected with the opening end of the handle bar locking pull rod pressing block, the closing end of the handle bar locking pull rod is hinged with the inner side surface of the handle bar locking side cover, the handle locking pull rod rotates around a hinge point on the vertical surface where the handle locking pull rod is positioned, a first through hole is formed in the handle locking spring base plate, the handle locking spring base plate is sleeved on two straight edges of the handle locking pull rod through the first through hole, the side wall of the handle locking spring base plate is fixedly connected with the inner wall of the handle folding shaft, a pair of handle locking springs are respectively sleeved on the two straight edges of the handle locking pull rod correspondingly, one end of each handle locking spring is abutted with the handle locking spring base plate, the other end of each handle locking spring is abutted with the handle locking pull rod pressing block, the handle locking shaft comprises a first cylinder at two ends and a second cylinder positioned between the two first cylinders, the second cylinder of the handle locking shaft horizontally penetrates through a hollow groove formed by the two straight edges of the handle locking pull rod pressing block, the two first cylinders horizontally extend out of the handle folding shaft, the axes of the first cylinder and the second cylinder are parallel but not coincident, and the parts of the two first cylinders extending out of the handlebar folding shaft are fixedly connected with a handlebar locking rocker for controlling the handlebar folding shaft to rotate;

Wherein the axes of the first cylinder and the second cylinder are set as: when the handle locking rocker rotates to the lower limit position, the handle locking pull rod pressing block is abutted by the handle locking spring until the handle locking pull rod pressing block and the cover plate are free of gaps, the handle positioning steel balls are correspondingly clamped in the first cavity, the upper groove, the lower groove and the second cavity respectively, rotation of the handle is limited, when the handle locking rocker rotates to the upper limit position, the handle locking pull rod pressing block is driven by the second cylinder to move upwards to the handle locking pull rod pressing block to generate gaps with the cover plate, and the handle positioning steel balls are withdrawn from the corresponding first cavity, the upper groove, the lower groove and the second cavity respectively and do not prevent rotation of the handle.

Preferably, the folding electric vehicle further comprises a vertical rod telescopic sub-assembly, which comprises:

the upper ends of the pair of vertical rods are fixedly connected with the handlebar folding shaft, a second through hole is formed in each vertical rod along the axial direction, and the lower end of each vertical rod extends downwards to form a pair of elastic sheets;

The two sets of pole setting telescopic components respectively comprise a transmission steel wire, a pole setting telescopic locking pin and a pole setting telescopic locking spring, the upper end of the transmission steel wire is arranged on the handlebar locking shaft, the transmission steel wire passes through the second through hole, the lower end of the transmission steel wire is arranged on the pole setting telescopic locking pin, the pole setting telescopic locking pin comprises a pole part and a block part from top to bottom, the outer diameter of the block part is larger than that of the pole part, the pole setting telescopic locking spring is sleeved on the pole part, the upper end of the pole setting telescopic locking spring abuts against the bottom surface of the pole setting, the lower end of the pole setting telescopic locking spring abuts against the top surface of the block part, and the periphery of the block part is provided with an outer sliding conical surface;

The inner part of each sliding sleeve is provided with an inner sliding conical surface matched with the outer sliding conical surface, the outer part of each sliding sleeve is detachably connected with the pair of elastic sheets, and the connecting part is positioned at the part of the sliding sleeve provided with the inner sliding conical surface;

The lower ends of the pair of fixed sleeves are connected with the front wheel hub through a front fork structure bearing;

when the handlebar locking rocker rotates to the upper limit position, the transmission steel wire lifts the vertical rod telescopic locking pin to the outer sliding conical surface to separate from the inner sliding conical surface, the pair of elastic sheets are not stressed, the vertical rod, the pair of elastic sheets and the linkage structure formed by the sliding sleeve can slide freely along the axial direction to the inside of the fixed sleeve, when the handlebar locking rocker rotates to the lower limit position, the vertical rod telescopic locking spring pushes the vertical rod telescopic locking pin to the outer sliding conical surface to extend into the inner sliding conical surface, the pair of elastic sheets are stressed by the outer expanding force, and the outer dimension of the linkage structure is larger than the inner diameter of the fixed sleeve.

Preferably, the folding electric vehicle further comprises: the pair of carrying tugs and the carrying tug axle are fixedly arranged at the lower ends of the side faces of the front fork folding connecting rods, which are opposite to the pedal, and the pair of carrying tugs are symmetrically sleeved at the two ends of the carrying tug axle.

The invention at least comprises the following beneficial effects: the upper part of the saddle bracket is of a hollow structure, the cross dislocation with a front fork space can be realized during folding, when two height folding of the handlebars and the saddle is carried out, the length contraction is synchronously carried out, the wheelbase from a front wheel axle to a front fork folding axle is increased, the contraction effect on the length of the handlebars during folding of the front fork can be improved, the front wheel and two tugboats can be utilized for right-angle standing after folding, the occupied space is further reduced, two tugboats can be utilized for dragging and carrying the vehicle, portability is higher, in addition, the handlebar folding and the upright stretching can be realized, when a pair of handlebars is folded, the upright is synchronously shortened, the height is reduced, the handlebar folding and the upright stretching can be completed through one folding step, the operation is simpler, the folding efficiency and the folding effect are higher, and the carrying is more convenient.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is an expanded perspective view of a front fork and a rear fork of a folding electric vehicle according to one embodiment of the present invention;

fig. 2 is a folding perspective structure diagram of a front fork and a rear fork of the folding electric vehicle according to one embodiment of the present invention;

FIG. 3 is an expanded plan view of a front fork and a rear fork of the folding electric vehicle according to one embodiment of the present invention;

FIG. 4 is a schematic view of a rear fork folding subassembly of a folding electric vehicle according to one embodiment of the present invention;

FIG. 5 is a schematic view of a front fork folding subassembly of a folding electric vehicle according to one embodiment of the present invention;

FIG. 6 is an exploded view of a front fork and a rear fork of a folding electric vehicle according to one embodiment of the present invention;

FIG. 7 is an expanded plan view of a handlebar and a pole of the folding electric vehicle according to one embodiment of the present invention;

FIG. 8 is a plan view showing the folding of the handle bars and uprights of the folding electric vehicle according to one embodiment of the present invention;

FIG. 9 is a cross-sectional view of a handlebar folding subassembly of a folding electric vehicle according to one embodiment of the present invention;

FIG. 10 is a cross-sectional view of a telescopic pole subassembly of a folding electric vehicle according to one embodiment of the present invention;

FIG. 11 is a cross-sectional view of a handlebar and a pole of a folding electric vehicle according to one embodiment of the present invention;

fig. 12 is an exploded view of a handlebar and a pole of the folding electric car according to one embodiment of the present invention.

Detailed Description

The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.

It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 6, the present invention provides a folding electric vehicle, comprising a front fork, a pedal and a seat support, wherein the upper portion of the seat support is a hollow structure, the seat support can rotate around the rear end of the pedal, the front fork can rotate around the front end of the pedal, and when the seat support rotates forwards to be abutted against the pedal, the front fork rotates backwards to be accommodated in the hollow portion of the seat support and clamp the seat support.

In this kind of technical scheme, earlier with saddle support forward rotation, make its and running-board butt, then backward rotation front fork utilizes saddle support's hollow part to cross the dislocation and accomodate the front fork to shorten length and the height after the car is folded, significantly reduce occupation space, also be convenient for carry, folding effect is better.

In another technical scheme, folding electric motor car include the folding subassembly of back fork, it includes:

The pair of rear fork folding rods 1 are symmetrically arranged on two sides of a pedal, the pedal is horizontally arranged between a front fork and a rear fork, the upper parts of the pair of rear fork folding rods 1 are fixedly connected with a saddle bracket, the lower parts of the rear fork folding rods 1 are provided with first extension surfaces 2, the radial sections of the first extension surfaces 2 are arched, the pair of first extension surfaces 2 are rotatably connected with the rear ends of the pedal through rear fork folding shafts 3, the rear fork folding shafts 3 are fixedly arranged at the rear ends of the pedal in a penetrating way, the two ends of the rear fork folding shafts penetrate out of the two sides of the pedal respectively, the lower ends of the pair of first extension surfaces 2 are respectively correspondingly and rotatably sleeved on the two ends of the rear fork folding shafts 3, the rear fork folding limiting check rings 4 are arranged on the rear fork folding rods 1 and are higher than the first extension surfaces 2, the cambered surfaces of the first extension surfaces 2 are provided with first conical surfaces 5 with radial lengths gradually increased from top to bottom, and the first conical surfaces 5 are higher than the rear fork folding shafts 3;

The pair of rear fork folding lock rods 6 are sleeved on the rear fork folding shaft 3 and fixedly connected with the rear ends of the pedals, the upper part of the rear fork folding lock rod 6 is provided with a second extension surface 7, the contact surface of the second extension surface 7 and the first extension surface 2 is a plane, the second extension surface 7 is spliced with the first extension surface 2 to form a cylinder, the cambered surface of the second extension surface 7 is provided with a second conical surface 8 with the radial length gradually increasing from top to bottom, and the second conical surface 8 is higher than the rear fork folding shaft 3;

the two rear fork folding sleeves 9 and the sleeve connecting rod 10 are respectively sleeved on the two rear fork folding rods 1 correspondingly, the rear fork folding sleeves 9 are sleeved with the rear fork folding limit check rings 4, the inner walls of the rear fork folding sleeves 9 are radially provided with limiting blocks which can be square or cylindrical, the limiting blocks are lower than the rear fork folding limit check rings 4, and the sleeve connecting rod 10 is connected with the two rear fork folding sleeves 9 to form a holding part for lifting the two rear fork folding sleeves 9;

the sleeve return springs 11 are respectively sleeved on the pair of rear fork folding rods 1 correspondingly, the lower ends of the sleeve return springs 11 are abutted with the limiting blocks, and the upper ends of the sleeve return springs 11 are abutted with the rear fork folding limiting check rings 4;

When the elastic force of the sleeve return spring 11 causes the rear fork folding sleeve 9 to be sleeved outside the cylindrical structure formed by the first extension surface 2 and the second extension surface 7, the first conical surface 5 and the second conical surface 8 cooperate to form an obstacle for limiting the downward movement of the rear fork folding sleeve 9, at the moment, the rear fork folding sleeve 9 locks the pair of rear fork folding rods 1 and the pair of rear fork folding lock rods 6, the pair of rear fork folding rods 1 cannot rotate, the rear fork keeps an unfolding state, when the sleeve return spring 11 is compressed until the rear fork folding sleeve 9 is separated from the second extension surface 7, the rear fork folding rods 1 can rotate around the rear fork folding shafts 3, and the rear fork is driven to rotate together under the rotation action of the pair of rear fork folding rods 1, so that the rear fork is folded onto a pedal plate, the height of the rear fork is reduced, and meanwhile, the length of the vehicle is shortened.

In this technical scheme, when the sleeve connecting rod 10 is pulled, the pair of rear fork folding sleeves 9 move upwards, when the pair of rear fork folding sleeves 9 are separated from the pair of rear fork folding lock rods 6, the pair of rear fork folding rods 1 lose constraint and can rotate around the rear fork folding shaft 3 so as to drive the rear fork to rotate, and the rear fork is folded on the pedal, at the moment, the rear fork is in a folded state, the reduction of the height of the rear fork and the shortening of the length of the vehicle are realized, when the rear fork is unfolded, the pair of rear fork folding rods 1 rotate to an unfolding position around the rear fork folding shaft 3, the sleeve connecting rod 10 is pulled, the pair of rear fork folding sleeves 9 are enabled to move upwards, at the moment, the pair of rear fork folding rods 1 and the pair of rear fork folding lock rods 6 are spliced together to form a cylinder shape, the sleeve connecting rod 10 is released, the pair of rear fork folding sleeves 9 are pushed to move downwards under the action of the pair of sleeve return springs 11, the pair of rear fork folding rods 1 and the pair of rear fork folding lock rods 6 are correspondingly sleeved, at the moment, the first 5 and the pair of rear fork folding sleeves 8 and the inner walls of the rear fork folding sleeves 9 are tightly folded, and the pair of rear fork folding sleeves 9 can be locked, and the folded and the sleeve 9 can be kept out to rotate, and folded, and the sleeve folding state is kept under the state, and the folding state. When the technical scheme is adopted, the rear fork folding sleeve 9 and the rear fork folding rod 1 are matched through the first conical surface 5 and the second conical surface 8, so that the matching clearance can be eliminated, the vibration is reduced, the structural stability is improved, the rear fork folding sleeve 9 is also convenient to withdraw, and the rear fork folding sleeve 9 is prevented from being blocked due to stress deformation.

In another technical scheme, folding electric motor car still include the folding subassembly of front fork, it includes:

The front fork folding connecting rod 12 is obliquely arranged between the front fork and the front end of the pedal, the upper end of the front fork folding connecting rod 12 is fixedly connected with the front fork, the lower end of the front fork folding connecting rod is rotatably connected with the front end of the pedal through a front fork folding shaft 13, the front fork folding shaft 13 is fixedly connected with the front end of the pedal and is perpendicular to the travelling direction of the folding electric vehicle, the lower end of the front fork folding connecting rod 12 is rotatably sleeved in the middle of the front fork folding shaft 13, and a chute 14 is formed in the lower part of the side surface of the front fork folding connecting rod 12 facing the pedal;

the front fork folding sliding block 15 and the front fork folding limiting pin 16, the front fork folding sliding block 15 is slidably arranged in the sliding groove 14, the front fork folding limiting pin 16 is arranged on the front fork folding sliding block 15 in a penetrating manner, both ends of the front fork folding limiting pin extend to the outside of the front fork folding sliding block 15, the front fork folding limiting pin 16 can be in a cylindrical rod shape or a square rod shape, both ends of the front fork folding limiting pin 16 are positioned outside the sliding groove 14, and the front fork folding limiting pin 16 is perpendicular to the sliding direction of the front fork folding sliding block 15;

The upper end of the sliding block return spring 17 is fixedly connected with the front fork folding connecting rod 12, the lower end of the sliding block return spring is fixedly connected with the front fork folding sliding block 15, and the elastic force of the sliding block return spring 17 can drive the front fork folding sliding block 15 to slide in the sliding groove 14;

The front fork folding limiting plates 18 are symmetrically arranged on two sides of the lower end of the front fork folding connecting rod 12, the front fork folding limiting plates 18 are sleeved on the front fork folding shaft 13 and fixedly connected with the front end of the pedal, the top of the front fork folding limiting plates 18 is of an arc-shaped structure with the height gradually decreasing along the direction close to the pedal, an upper limiting notch 19 and a lower limiting notch 20 are formed in the edge of the arc edge, the front fork folding limiting plates 18 are similar to a fan-shaped structure, the fan-shaped cambered surface faces upwards, and two ends of the front fork folding limiting pin 16 can be clamped on the pair of upper limiting notches 19 or the pair of lower limiting notches 20;

When the elastic force of the slider return spring 17 makes the front fork folding limit pins 16 clamped on the pair of upper limit notches 19, the front fork is in an unfolding state, and when the elastic force of the slider return spring 17 makes the front fork folding limit pins 16 clamped on the pair of lower limit notches 20, the front fork is in a folding state.

In this technical scheme, when going up fork folding slider 15, front fork folding slider 15 drives front fork folding spacer pin 16 simultaneously and moves up, make the folding spacer pin 16 of front fork withdraw from in a pair of last limiting gap 19, this moment front fork folding connecting rod 12 loses the constraint, can rotate around front fork folding axle 13, and then drive the front fork and rotate together, realize the folding of front fork, and the both ends of front fork folding spacer pin 16 slide down to front fork folding connecting rod 12 rotation to folding position along the top surface of a pair of front fork folding limiting plates 18 respectively, at this moment, promote the folding slider 15 of front fork and slide under slider reset spring 17, make the both ends card of front fork folding spacer pin 16 establish in a pair of lower limiting gap 20, front fork folding connecting rod 12 is limited to be unable to rotate, lock the front fork in folding state, prevent to take place the slip, guarantee folding steadiness, when last fork folding slider 15 makes front fork folding spacer pin 16 withdraw from in a pair of lower limiting gap 20, front fork folding connecting rod 12 loses the constraint, can rotate around front fork folding axle 13, when rotating slider 13 to the card is rotated to the folding slider position, the card is located under reset spring 17 and is rotated down at this moment, the expansion of the limit slider is not limited in the folding state, the front fork is guaranteed to take place, the folding slider is folded in a pair of limiting gap is folded in the folding state is guaranteed, the front fork is folded down, can be limited by the front fork folding slider is locked, can be rotated, and is locked by the front fork folding spacer pin is locked, can be rotated by the front fork folding spacer pin is folded down, and can be rotated by folding spacer 16, and can be rotated by folding spacer 16, and can is folded by folding front fork and can be folded. When the technical scheme is adopted, the folding and unfolding of the front fork are matched with the locking positions of the front fork folding limit pin 16, the pair of upper limit notches 19 and the pair of lower limit notches 20, so long as a gap exists between the two, the slider return spring 17 can push the front fork folding limit pin 16 downwards to eliminate the gap, and the stability of the structure is improved.

In another technical scheme, a bump 21 is fixedly arranged at the upper part of the chute 14, the upper end of the slider return spring 17 is fixedly connected with the bump 21, a cylindrical pull lug 22 is fixedly connected on the front fork folding slider 15, and a cylindrical through hole is formed in the middle of the pull lug 22. The upper end of the slider return spring 17 is conveniently fixed on the front fork folding connecting rod 12 after the bump 21 is arranged, and the pull lug 22 is convenient for a user to pull the front fork folding slider 15, so that the folding and unfolding of the front fork are more convenient and quick.

In another technical scheme, the upper limit notch 19 is higher than the pedal, the opening direction of the upper limit notch 19 is upward, the lower limit notch 20 is lower than the pedal, the opening direction of the lower limit notch 20 faces the rear wheel of the folding electric vehicle and is parallel to the pedal, and the upper limit notch 19 and the lower limit notch 20 are of a V-shaped structure with an included angle of 45 degrees. When the upper limit notch 19 is higher than the pedal, the front fork folding connecting rod 12 is conveniently locked after the front fork is unfolded, and when the lower limit notch 20 is lower than the pedal, the front fork can be completely contained in the hollow part of the saddle bracket, the height of the folded bicycle is further reduced, and the clamping effect of the 45-degree V-shaped structure notch is optimal.

In another technical scheme, the number of limiting blocks in each rear fork folding sleeve 9 is 2, and the 2 limiting blocks are symmetrical about the axis of the rear fork folding sleeve 9. The 2 limiting blocks are symmetrically arranged and can firmly abut against the sleeve reset spring 11, so that the stability and the safety of the folding electric vehicle are ensured.

In another technical scheme, the sleeve connecting rod 10 is of a U-shaped structure, and two ends of the U are respectively and correspondingly fixedly connected with the side walls of the pair of rear fork folding sleeves 9. The sleeve connecting rod 10 with the U-shaped structure can be conveniently fixedly connected with the pair of rear fork folding sleeves 9.

In another aspect, as shown in fig. 7 to 12, the foldable electric scooter further includes a handlebar 27 folding subassembly, which includes:

The handlebar folding shaft 23 is horizontally and fixedly arranged at the upper end of the front fork and is parallel to the travelling direction of the folding electric vehicle, the handlebar folding shaft 23 is cylindrical with two open ends, namely, the two ends of the handlebar folding shaft 23 are open and hollow, the rear end of the handlebar folding shaft 23 is provided with a cover plate 24, and an upper groove 25 and a lower groove 26 are axially formed in the outer wall, close to the front end, of the handlebar folding shaft 23; the upper groove 25 and the lower groove 26 are located at the top and bottom of the handle folding shaft 23, respectively, and are symmetrical about the axis of the handle folding shaft 23;

The pair of handlebars 27 is of a V-shaped structure, a holding part is formed at the upper end of the handlebars 27, a handlebar folding fixed shaft sleeve 28 is fixedly connected at the lower end of the handlebars 27, the handlebars 27 are fixedly connected with the handlebar folding fixed shaft sleeve 28 through a hemispherical connecting piece, the diameter of the connecting piece is one time of the width of the handlebar folding fixed shaft sleeve 28, the lower end of the handlebars 27 is fixedly connected with the spherical center of the connecting piece, the handlebar folding fixed shaft sleeve 28 is fixedly connected with one side of the plane of the connecting piece, the handlebar folding fixed shaft sleeve 28 is of a circular ring shape, the two circular handlebar folding fixed shaft sleeves 28 are spliced together to form a circular ring shape, the handlebar folding fixed shaft sleeves 28 are sleeved on the handlebar folding shaft 23 in a front-back mode, the pair of handlebar folding fixed shaft sleeves 28 are sleeved on the same vertical surface, a first limit notch is formed at the position corresponding to the inner wall of the handlebar folding fixed shaft sleeve 28, a second limit notch is formed at the position corresponding to the lower groove 26, the first limit notch and the second limit notch are both positioned at the edge of the pair of folding fixed shaft sleeves 28, and the first limit notch and the second limit notch are matched with the first limit notch and the hemispherical notch are formed;

A handlebar locking assembly, comprising: the handle locking side cover 29 is abutted against the front side of the handle folding fixing shaft sleeve 28 away from the cover plate 24, the upper part of one handle locking side cover 29 is accommodated in the first cavity, the lower part of the other handle locking side cover 30 is accommodated in the upper groove 25, the upper part of the other handle locking steel ball 30 is accommodated in the lower groove 26, the lower part of the other handle locking steel ball 30 is accommodated in the second cavity, the handle 27 is withdrawn from the first cavity and the second cavity in the rotating process, the handle 27 can only roll back in the upper groove 25 and the lower groove 26, when the handle 27 is locked in the unfolding or folding position, the pair of handle positioning steel balls 30 are clamped in the first cavity, the second cavity, the upper groove 25 and the lower groove 26 and cannot roll, the handle locking pull rod 31 and the handle locking pull rod pressing block 32 are of U-shaped structures, the handle locking pull rod 31 and the handle locking pull rod pressing block 32 are vertically arranged, the open end of the handle locking pull rod 31 and the open end of the handle locking pull rod pressing block 32 are correspondingly and detachably connected, the open end of the handle locking pull rod 31 and the open end of the handle locking pull rod pressing block 32 are detachably connected together through two screws, the closed end of the handle locking pull rod 31 is hinged with the inner side surface of the handle locking side cover 29, the handle locking pull rod 31 rotates around a hinge point on the vertical surface where the handle locking pull rod 31 is positioned, the handle locking spring base plate 34 is provided with a first through hole, the handle locking spring backing plate 34 is sleeved on two straight edges of the handle locking pull rod 31 through a first through hole, the side wall of the handle locking spring backing plate is fixedly connected with the inner wall of the handle folding shaft 23, a pair of handle locking springs 33 are respectively sleeved on the two straight edges of the handle locking pull rod 31 correspondingly, one end of each handle locking spring 33 is abutted with the handle locking spring backing plate 34, the other end of each handle locking spring 33 is abutted with the handle locking pull rod pressing block 32, the handle locking shaft 35 comprises a first cylinder at two ends and a second cylinder positioned between the two first cylinders, the second cylinder of the handle locking shaft 35 horizontally penetrates through a hollow groove formed by the two straight edges of the handle locking pull rod pressing block 32, the two first cylinders horizontally extend out of the handle folding shaft 23, the axes of the first cylinder and the second cylinder are parallel but not overlapped, and the handle locking rocking bar 36 for controlling the rotation of the two first cylinders is fixedly connected with the handle locking rocking bar 23; when the handle locking rocker 36 is rocked, the handle locking shaft 35 rotates around the axis of the first cylinder, and the axis of the second cylinder is not coincident with the axis of the first cylinder and is an eccentric shaft, so that when the second cylinder rotates to different positions, the distance between the second cylinder and two straight sides of the handle locking pull rod pressing block 32 is different, and when the second cylinder moves to the upper side, the second cylinder can abut against the handle locking pull rod pressing block 32 to move upwards;

Wherein the axes of the first cylinder and the second cylinder are set as: when the handle locking rocker 36 rotates to the lower limit position, the pair of handle locking springs 33 prop against the handle locking pull rod pressing block 32 to enable the handle locking pull rod pressing block 32 to be in clearance with the cover plate 24, the pair of handle positioning steel balls 30 are correspondingly clamped in the first cavity, the upper groove 25, the lower groove 26 and the second cavity respectively to limit the rotation of the pair of handles 27, when the handle locking rocker 36 rotates to the upper limit position, the second cylinder drives the handle locking pull rod pressing block 32 to move upwards to enable the handle locking pull rod pressing block 32 to generate clearance with the cover plate 24, and the pair of handle positioning steel balls 30 are respectively withdrawn from the corresponding first cavity, the upper groove 25, the lower groove 26 and the second cavity to not prevent the rotation of the pair of handles 27.

In the technical scheme, when a handlebar 27 is positioned at an unfolding position, a handlebar locking rocker 36 is positioned at a lower limit position, a handlebar locking pull rod pressing block 32 is positioned at a horizontal state, and under the action of the elastic force of a pair of handlebar locking springs 33, the handlebar locking pull rod pressing block 32 is abutted against the handlebar locking pull rod pressing block 32 to enable a cover plate 24 to be gapless, a pair of handlebar positioning steel balls 30 are clamped in a first cavity, an upper groove 25, a lower groove 26 and a second cavity, when the handle bars 27 are required to be folded, the handle bar locking rocking bars 36 are rocked to the upper limit position, at the moment, the axis of the second cylinder moves upwards, and is higher than the axis of the first cylinder, the second cylinder can jack up the handle bar locking pull rod 31 to move upwards, so that a gap is formed between the handle bar locking pull rod pressing block 32 and the cover plate 24, the abutting force between the handle bar locking side cover 29 and the handle bar folding fixing shaft sleeve 28 is reduced, under the action of manpower, the elastic force of the handle bar 27 locking springs can be overcome, the pair of handle bar folding fixing shaft sleeves 28 can be respectively moved to two sides, the pair of handle bar positioning steel balls 30 are withdrawn from the first cavity and the second cavity, at the moment, the pair of handle bars 27 are out of constraint, the handle bar 27 can be downwards rotated to the folding position, after the pair of handle bars 27 are rotated to the folding position, the handle bar locking rocking bars 36 are rocked to the lower limit position, a pair of handles 27 may be locked in the folded position.

In another technical scheme, folding electric motor car still include pole setting flexible subassembly, it includes:

The upper ends of the pair of upright rods 37 are fixedly connected with the handlebar folding shaft 23, a second through hole is formed in each upright rod 37 along the axial direction, the lower end of each upright rod 37 extends downwards to form a pair of elastic sheets, each elastic sheet is of a planar structure with a certain radian, and the pair of elastic sheets form an outer expansion opening;

The two sets of pole setting telescopic components respectively comprise a transmission steel wire 38, a pole setting telescopic locking pin 39 and a pole setting telescopic locking spring 40, wherein the upper end of the transmission steel wire 38 is arranged on the handlebar locking shaft 35, the rotation of the handlebar locking shaft 35 drives the retraction of the transmission steel wire 38, the transmission steel wire 38 passes through a second through hole, the lower end of the transmission steel wire 38 is arranged on the pole setting telescopic locking pin 39, the pole setting telescopic locking pin 39 comprises a rod part and a block part from top to bottom, the outer diameter of the block part is larger than that of the rod part, the block part can be in a round table or conical structure, the pole setting telescopic locking spring 40 is sleeved on the rod part, the upper end of the pole setting telescopic locking spring 40 abuts against the bottom surface of the pole setting 37, the lower end abuts against the top surface of the block part, the periphery of the block part is provided with an outer sliding conical surface which is in a round table shape, and the outer sliding conical surface gradually reduces from top to bottom;

The inner part of each sliding sleeve 41 is provided with an inner sliding conical surface matched with the outer sliding conical surface, the inner diameter of the inner sliding conical surface is gradually reduced from top to bottom, the outer part of each sliding sleeve 41 is detachably connected with a pair of elastic sheets (the two are linked in a buckling connection mode), the connecting part is positioned at the part of the sliding sleeve 41 provided with the inner sliding conical surface, and the deformation of the sliding sleeve 41 drives the pair of elastic sheets to expand;

The pair of fixed sleeves 42, the fixed sleeves 42 are of a structure with a containing cavity, and the lower ends of the fixed sleeves 42 are connected with the front wheel hub through a front fork structure bearing;

When the handle locking rocker 36 rotates to the upper limit position, the transmission steel wire 38 lifts the vertical rod telescopic locking pin 39 to the outer sliding conical surface to separate from the inner sliding conical surface, the pair of elastic sheets are not stressed to form an extension surface consistent with the outer peripheral dimension of the vertical rod 37, the pair of elastic sheets and the linkage structure formed by the sliding sleeve can slide freely along the axial direction to the inside of the fixed sleeve, when the handle locking rocker 36 rotates to the lower limit position, the vertical rod telescopic locking spring 40 pushes the vertical rod telescopic locking pin 39 to the outer sliding conical surface to extend into the inner sliding conical surface, the pair of elastic sheets are subjected to external expansion force to form an extension surface slightly larger than the outer peripheral dimension of the vertical rod 37, and the outer dimension of the linkage structure is larger than the inner diameter of the fixed sleeve.

In this technical scheme, the transmission steel wire 38 is locked on the handlebar locking shaft 35, when the handlebar locking shaft 35 is rotated to release the handlebar 27, the transmission steel wire 38 is simultaneously tensioned, the other end of the transmission steel wire 38 is connected with the vertical rod telescopic locking pin 39 (fixedly connected or pivoted as long as linkage can be realized), the vertical rod telescopic locking pin 39 is pulled to reciprocate under the combined action of the vertical rod telescopic locking spring 40, after the vertical rod telescopic locking pin 39 is pulled up, the outer sliding conical surfaces at two sides of the vertical rod telescopic locking pin 39 are separated from the inner sliding conical surfaces of the sliding sleeve 41, the expansion force for positioning the outer expansion openings of the pair of elastic pieces is lost, the vertical rod 37 is pushed downwards at this time, the pair of elastic pieces are extruded to elastically deform inwards, the inner sliding conical surfaces and the outer sliding conical surfaces are separated, the vertical rod 37 can be folded downwards to be shortened, and otherwise the vertical rod 37 can not be locked to move up and down. When adopting this kind of technical scheme, the folding effect of handlebar 27 and pole setting 37 is good, has also carried out the high folding when carrying out handlebar 27 width folding, and folding efficiency is higher, and two folding actions can be accomplished to a step, and handlebar 27 and pole setting 37 are folding more swift simple and convenient.

In another technical scheme, the folding electric vehicle further comprises: the pair of carrying tugs 43 and the carrying tug axle 44, the carrying tug axle 44 is fixedly arranged at the lower end of the side surface of the front fork folding connecting rod 12, which is opposite to the pedal, and the pair of carrying tugs 43 are symmetrically sleeved at the two ends of the carrying tug axle 44. The front wheels and the pair of carrying tugs 43 are used for right-angle standing after folding, so that the occupied space can be further reduced, and meanwhile, the pair of carrying tugs 43 can be used for dragging the folding electric vehicle, so that the portability is higher.

The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations to the folding electric vehicle of the present invention will be apparent to those skilled in the art.

Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims

1. The folding electric vehicle comprises a front fork, a pedal and a seat support, and is characterized in that the upper part of the seat support is of a hollow structure, the seat support can rotate around the rear end of the pedal, the front fork can rotate around the front end of the pedal, when the seat support rotates forwards to be abutted against the pedal, the front fork rotates backwards to be accommodated in the hollow part of the seat support and tightly clamps the seat support,

Also included is a rear fork folding subassembly comprising:

Wherein when the elastic force of the sleeve return spring causes the rear fork folding sleeve to be sleeved outside a cylindrical structure formed by the first extension surface and the second extension surface, the first conical surface and the second conical surface cooperate to form an obstruction for limiting the downward movement of the rear fork folding sleeve, when the sleeve return spring is compressed until the rear fork folding sleeve is separated from the second extension surface, the rear fork folding rod can rotate around the rear fork folding shaft,

Still include the folding subassembly of front fork, it includes:

Wherein when the elastic force of the slider return spring enables the front fork folding limit pin to be clamped on the pair of upper limit notches, the front fork is in an unfolding state, when the elastic force of the slider return spring enables the front fork folding limit pin to be clamped on the pair of lower limit notches, the front fork is in a folding state,

The upper part of the sliding chute is fixedly provided with a convex block, the upper end of the sliding block return spring is fixedly connected with the convex block, the front fork folding sliding block is fixedly connected with a cylindrical pull lug, the middle part of the pull lug is provided with a cylindrical through hole,

The upper limit notch is higher than the pedal, the opening direction of the upper limit notch is upward, the lower limit notch is lower than the pedal, the opening direction of the lower limit notch faces the rear wheel of the folding electric vehicle and is parallel to the pedal, and the upper limit notch and the lower limit notch are of similar V-shaped structures with included angles of 45 degrees.

2. The folding electric vehicle of claim 1, characterized in that the number of stoppers in each of the rear fork folding sleeves is 2, the 2 stoppers being symmetrical about the axis of the rear fork folding sleeve.

3. The folding electric vehicle of claim 2, characterized in that the sleeve connecting rod has a U-shaped structure, and two ends of the U-shape are fixedly connected with the side walls of the pair of rear fork folding sleeves respectively.

4. The folding electric vehicle of claim 3, further comprising a handlebar folding subassembly comprising:

5. The folding electric vehicle of claim 4, further comprising a pole extension sub-assembly comprising: