CN112158287A

CN112158287A - Electric scooter

Info

Publication number: CN112158287A
Application number: CN202011216387.6A
Authority: CN
Inventors: 莫佳滨
Original assignee: Dongguan Haozhi Kinetic Energy Technology Co ltd
Current assignee: Dongguan Haozhi Kinetic Energy Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-01-01

Abstract

The invention provides an electric scooter which comprises a handlebar assembly, a chassis, a saddle assembly, a rear wheel assembly, front wheels and a rear wheel driving device, wherein the handlebar assembly is arranged at the front side of the chassis in a foldable manner and is connected with the front wheels, the handlebar assembly can drive the front wheels to perform steering motion, the rear wheel assembly is arranged at the rear side of the chassis, the rear wheel driving device can drive the rear wheels of the rear wheel assembly to perform rotary motion, the rear wheel assembly is detachably connected with the chassis through a connecting structure, and the saddle assembly is arranged on the chassis in a foldable manner. When the electric scooter is carried, the electric scooter is divided into 2 parts, so that the rear wheel assembly can be carried to the automobile tail box, and then the folded front half part of the electric scooter is carried to the automobile tail box, thereby greatly facilitating the carrying of the disassembled electric scooter by old people, and saving more space when the electric scooter is placed in the automobile tail box in a split type.

Description

Electric scooter

Technical Field

The invention relates to the field of electric vehicles, in particular to an electric vehicle.

Background

The scooter is a small vehicle produced for scooter, including scooter, bicycle, electric bicycle, etc. With the continuous development and progress of modern society, people watch the protection of the environment more and more, in order to protect the global environment, people advocate green going out, so the car of riding instead of walk is greatly advocated, in addition, this kind of car of riding instead of walk also is an indispensable necessity for the people who move inconveniently, but the current car of riding instead of walk is less for the car, nevertheless still has the inconvenient problem of carrying, so people begin to think about the way and make the car of riding instead of walk into can folding car of riding instead of walk, in order to conveniently carry and carry. However, most of the existing vehicles on the market are folded, the whole weight is heavier, the vehicles are not very convenient to carry and store, and the old people are not convenient to carry and transport by using a transport tool.

Disclosure of Invention

The invention aims to provide an electric scooter which is light in weight, convenient to carry and store and convenient to transport.

In order to achieve the above purpose, the invention provides the following technical scheme:

the utility model provides an electronic car of riding instead of walk, includes handlebar assembly, vehicle chassis, saddle chair subassembly, rear wheel subassembly, plantago wheel and rear wheel drive, handlebar assembly folding installs the front side at the vehicle chassis, just handlebar assembly is connected with the plantago wheel, handlebar assembly can drive the plantago wheel and be steering motion, the rear wheel subassembly sets up at the vehicle chassis rear side, rear wheel drive can drive the rear wheel of rear wheel subassembly and be rotary motion, the rear wheel subassembly passes through connection structure and can dismantle with the vehicle chassis and be connected, saddle chair subassembly folding installs on the vehicle chassis.

Further, connection structure includes activity couple subassembly, fixed couple, couple post, guide post and direction couple, the activity couple subassembly fixed couple with the guide post is all installed the rear side of vehicle underframe, fixed couple sets up respectively the both sides of activity couple subassembly, the guide post sets up respectively the both sides of the rear end of vehicle underframe, the couple post corresponds the activity couple subassembly with fixed couple sets up the front side at the rear wheel subassembly, the direction couple corresponds respectively the guide post sets up the both sides at the front end of rear wheel subassembly, when vehicle underframe and rear wheel subassembly are connected, the activity couple subassembly with fixed couple can be in on the couple post, the guide post can insert in the direction couple.

Further, the activity couple subassembly includes activity couple, torsional spring, fixed axle and fixing base, the activity couple is rotatable to be installed on the fixed axle, the both ends of fixed axle are fixed respectively on the fixing base, the fixing base is installed on the vehicle underframe, the torsional spring cover is in on the fixed axle, and be used for right the activity couple resets.

Furthermore, the vehicle seat assembly comprises two seat supports symmetrically arranged on the vehicle chassis and a seat cushion fixing frame arranged on the seat supports, each seat support comprises a first seat support and a second seat support, the first seat supports and the second seat supports are hinged in an X-shaped cross mode, a first limiting circular tube is arranged at the upper end between the two second seat supports, a folding switch is arranged on the first limiting circular tube and comprises a switch seat and a switch post, the switch post is arranged at the lower right side of the switch seat, a first guide groove is formed in the switch seat, the switch seat is arranged on the first limiting circular tube through the first guide groove, the switch seat can move back and forth on the first limiting circular tube through the first guide groove, a second guide groove is further formed in the rear side of the first guide groove, and a second limiting circular tube is arranged in the second guide groove, the utility model discloses a seat, including the switch post, the both ends of second spacing pipe are installed respectively in cushion mount bottom, the left and right sides of switch seat is stretched out respectively at the both ends of switch post, the both sides on second seat support upper portion correspond respectively the both ends of switch post are provided with the seat couple, the both ends of switch post can block in the seat couple, the both sides of switch seat still are provided with the extension spring that resets respectively, the one end and the switch seat of extension spring that resets are connected, the other end of extension spring that resets is connected with the bottom of cushion mount, the extension spring that resets can stretch when switch seat backward motion, work as when the both ends card of switch post is gone into the seat couple, the seat support is for expanding fixed state, works as the both ends of switch post break away from the seat couple and are located the seat couple below, the seat support is folding fixed state.

Further, the vehicle seat assembly further comprises a cushion fixing frame, a cushion rotating frame and a rotation limiting device, the rotation limiting device can lock the cushion rotating frame on the cushion fixing frame, the cushion rotating frame is rotatably installed on the cushion fixing frame through a rotation bearing, the rotation limiting device comprises at least 2 limiting blocks and a limiting handle, the limiting blocks are installed on the cushion rotating frame, the limiting handle is rotatably installed on the inner side of the left side of the cushion fixing frame through a bolt, a limiting column is arranged on the upper portion of the limiting handle, a first limiting groove is formed in the limiting block corresponding to the limiting column, when the limiting handle rotates clockwise around the bolt, the limiting column can be separated from the first limiting groove, a torsional spring is further arranged on one side of the bolt, and the torsional spring is installed on the cushion fixing frame through a screw, the torsion spring is used for keeping the limiting column in the first limiting groove when the limiting handle is driven to rotate anticlockwise around the bolt.

Further, the stopper is provided with 2 and includes first stopper and second stopper respectively, first stopper with contained angle between the second stopper is 90, first stopper is installed the front side of cushion swivel mount, the second stopper is installed the left side of cushion swivel mount.

Further, the handlebar assembly comprises a guide vertical pipe, a handlebar vertical pipe, a vertical pipe sleeve and a locking device, wherein the lower end of the guide vertical pipe is rotatably connected with the front side of the vehicle chassis, the upper end of the guide vertical pipe is installed in the vertical pipe sleeve, the upper end of the handlebar vertical pipe is fixedly provided with a handlebar of the electric scooter, the lower end of the handlebar vertical pipe is inserted into the guide vertical pipe and slides up and down, the locking device fixes the handlebar vertical pipe or releases the fixation of the handlebar vertical pipe, the locking device is arranged in the vertical pipe sleeve and comprises a locking pin, a spring, a wrench and a wrench fixing seat, the wrench fixing seat is installed on the outer side wall of the guide vertical pipe, the locking pin is installed on the wrench fixing seat, one end of the locking pin can penetrate through the guide vertical pipe and then is inserted into a locking hole of the handlebar vertical pipe, and the handlebar vertical pipe is provided with a plurality of locking holes, the other end of the locking pin abuts against a spring, the other end of the spring abuts against the inner wall of the riser sleeve, the wrench is installed in the wrench fixing seat, and the wrench can be rotated to drive the locking pin to leave the locking hole.

Further, the guide vertical pipe is provided with a first through hole corresponding to the locking pin, and the left end of the locking pin is installed in the first through hole.

Further, the left end of the locking pin is provided with an arc-shaped protruding part, and the right end of the locking pin is provided with a first mounting groove for mounting the spring.

Further, the spanner upper end is provided with the U type groove that is used for driving the stop pin, U type groove can be followed up the card and be in the minor diameter end of stop pin, the left part of stop pin is the minor diameter end, the right part of stop pin is the major diameter end.

The invention has the beneficial effects that:

when the folding electric scooter is carried out, the rear wheel component is detached and separated from the chassis through the connecting structure, the seat component of the vehicle is folded downwards on the chassis, and finally the handlebar component is folded backwards on the seat component of the vehicle, so that the folding of the whole electric scooter is completed.

Drawings

FIG. 1 is a schematic perspective view of the electric scooter of the present invention;

FIG. 2 is a schematic view of the folded electric scooter of the present invention;

FIG. 3 is a perspective view of the vehicle body frame and the rear wheel assembly assembled together by a connecting structure;

FIG. 4 is a perspective view of the vehicle body frame and the rear wheel assembly of the present invention after being disassembled by the connecting structure;

FIG. 5 is a partial enlarged view of the slide hook in the coupling structure of the present invention;

FIG. 6 is a schematic perspective view of the vehicle seat assembly of the present invention when deployed;

FIG. 7 is a schematic exploded perspective view of the vehicle seat assembly of the present invention as it is deployed;

FIG. 8 is a schematic perspective view of the vehicle seat assembly of the present invention shown folded;

fig. 9 is a schematic structural view of the cushion rotating frame of the present invention fixed to the cushion fixing frame by the rotation limiting device;

FIG. 10 is a schematic view of a partially enlarged structure of the rotation limiting device of the present invention;

FIG. 11 is a schematic structural view of the limiting handle of the rotation limiting device of the present invention being locked on the limiting block;

FIG. 12 is a schematic structural view of the rotation limiting device of the present invention with the limiting handle disengaged from the limiting block;

FIG. 13 is a schematic perspective view of the stopper of the present invention;

FIG. 14 is a perspective view of the handlebar assembly of the present invention;

FIG. 15 is an exploded perspective view of the handlebar assembly of the present invention;

FIG. 16 is a cross-sectional view of the locking pin of the locking device of the present invention locking the riser;

FIG. 17 is a cross-sectional view of the locking pin of the locking device of the present invention unlocking the handle riser;

FIG. 18 is a partial cross-sectional view of the handlebar assembly of the present invention;

FIG. 19 is a cross-sectional view from another perspective of the handlebar assembly of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 2, an electric scooter comprises a handlebar assembly 100, a chassis 200, a seat assembly 300, a rear wheel assembly 400, a front wheel 500 and a rear wheel driving device, wherein the handlebar assembly 100 is foldably installed at the front side of the chassis 200, the handlebar assembly 100 is connected with the front wheel 500, the handlebar assembly 100 can drive the front wheel 500 to perform steering motion, the rear wheel assembly 400 is arranged at the rear side of the chassis 200, the rear wheel driving device can drive the rear wheel of the rear wheel assembly 400 to perform rotating motion, the rear wheel assembly 400 is detachably connected with the chassis 200 through a connecting structure 700, and the seat assembly 300 is foldably installed on the chassis 200.

The rear wheel driving apparatus in this embodiment includes a rear axle assembly 602 of the electric scooter and a battery 601, and the battery 601 is connected to a motor of the rear axle assembly 602 for supplying power to the motor of the rear axle assembly 602.

When the folding electric scooter is folded, the rear wheel assembly 400 is detached and separated from the vehicle chassis 200 through the connecting structure 700, the vehicle seat assembly 300 is folded downwards on the vehicle chassis 200, and finally the handlebar assembly 100 is folded backwards on the vehicle seat assembly 300, so that the folding of the whole electric scooter is completed.

The connection structure in this embodiment is further described below with reference to fig. 3 to 5:

in the present embodiment, the left, right, front, back, up and down directions are all based on the directions shown in fig. 3.

The connecting structure 700 comprises a movable hook component 701, two fixed hooks 702, a hook column 703, two guide columns 704 and two guide hooks 705, wherein the movable hook component 701, the fixed hooks 702 and the guide columns 705 are all arranged at the rear side of the vehicle underframe 200, the movable hook component 701 is arranged in the middle of the rear end of the vehicle underframe 200, the two fixed hooks 702 are respectively arranged at the left side and the right side of the movable hook component 701, the two guide columns 704 are respectively arranged at the left side and the right side of the rear end of the vehicle underframe 200, the axial directions of the two guide columns 704 are towards the left and the right direction, the hook column 703 is arranged at the front side of the rear wheel component 400 corresponding to the movable hook component 701 and the fixed hook 702, the left end and the right end of the hook column 703 are respectively arranged on the mounting plate 706, the two guide hooks 705 are respectively arranged at the two sides of the front end of the rear wheel component 400 corresponding to the guide columns 704, and the, when the vehicle chassis 200 is connected with the rear wheel assembly 400, the movable hook assembly 701 and the fixed hook 702 can be hooked on the hook column 703, the guide column 704 can be inserted into the guide hook 705, and the guide hook 705 can play a role in guiding and supporting the guide column 704.

As shown in fig. 5, the movable hook assembly 701 includes a movable hook 711, a torsion spring 712, a fixed shaft 713 and a fixed shaft 714, the movable hook 711 is rotatably installed on the fixed shaft 713, two ends of the fixed shaft 713 are respectively fixed on the fixed shaft 714, the fixed shaft 714 is installed on the chassis 200, the torsion spring 712 is sleeved on the fixed shaft 713 and is used for resetting the movable hook 711, when the movable hook 711 is pulled to be separated from the hook column 703, the movable hook 711 can drive a driving arm of the torsion spring 712 to rotate, and when the movable hook 711 is not pulled, the torsion spring 712 drives the movable hook 711 to reset.

The movable hook 711 includes a hook portion 7111 and a wrench portion 7112, and the wrench portion 7112 is integrally formed with the hook portion 7111.

The hook opening of the guide hook 711 is reverse C-shaped, the bottom of the hook opening extends upward obliquely forward to form an inclined guide portion, and the guide post 704 can easily enter the hook opening of the guide hook 711 by providing the inclined guide portion inclined upward obliquely. In addition, the guide post 704 in the embodiment has a longer length, and the length of the guide hook 711 is also longer, so that a larger contact surface area between the guide post 704 and the guide hook 711 can be ensured, and the guide post 704 and the guide hook 711 can be prevented from derailing when the guide post 704 is in butt joint with the guide hook 711.

The vehicle seat assembly in this embodiment is further described below with reference to fig. 6 to 8:

the vehicle seat assembly 300 comprises two seat supports symmetrically arranged on the vehicle chassis 200 and a seat cushion fixing frame 302 arranged on the seat supports, each seat support comprises a first seat support 303 and a second seat support 304, the first seat support 303 and the second seat support 304 are hinged in an X-shaped cross mode, a first limiting circular tube 305 is arranged at the upper end between the two second seat supports 304, a folding switch 360 is arranged on the first limiting circular tube 305, the folding switch 360 comprises a switch seat 361 and a switch column 362, the switch column 362 is arranged at the right lower side of the switch seat 361, a first guide groove 363 is arranged on the switch seat 361, the switch seat 361 is arranged on the first limiting circular tube 305 through the first guide groove 363, the switch seat 361 can move back and forth on the first limiting circular tube 305 through the first guide groove 363, a second guide groove 364 is further arranged at the rear side of the first guide groove 363, a second limiting circular tube 364 is arranged in the second guide groove 364, two ends of the second limiting circular tube 307 are respectively installed at the bottom of the seat cushion fixing frame 32, two ends of the switch column 362 respectively extend out of the left side and the right side of the switch seat 361, two sides of the upper portion of the second seat support 304 are respectively provided with a seat hook 308 corresponding to two ends of the switch column 362, two ends of the switch column 362 can be clamped into the seat hooks 308, two sides of the switch seat 361 are respectively provided with a reset tension spring 309, one end of the reset tension spring 309 is connected with the switch seat 361, the other end of the reset tension spring 309 is connected with the bottom of the seat cushion fixing frame 302, the reset tension spring 309 can be stretched when the switch seat 361 moves backwards, when two ends of the switch column 362 are clamped into the seat hooks 308, the seat support is in an unfolded and fixed state, and when two ends of the switch column 362 are separated from the seat hooks 308 and are.

A hinge plate 310 is arranged on the upper side surface of the middle part of the second seat support 304, a hinge column 312 is arranged on the hinge plate 310, the second seat support 304 is hinged with the first seat support 303 through the hinge column 310, a sliding groove seat 367 is arranged on the right side of the vehicle chassis 200, a sliding groove 368 is arranged on the sliding groove seat 367, a sliding column is arranged in the sliding groove 368, the lower end of the second seat support 304 is hinged on the sliding column, and the lower end of the first seat support 303 is hinged on the vehicle chassis 200.

A first cross tube is connected between the two first seat brackets 303, and a second cross tube is connected between the two second seat brackets 304.

The switch base 361 includes two side plates and a horizontal plate, the two side plates are respectively located at the left and right sides of the horizontal plate, the rear ends of the two side plates extend obliquely downward to form an extension, and two ends of the switch column 362 are mounted on the extension.

The hook opening of the seat hook 308 is horizontally disposed rearward.

When the seat is folded, the switch column 362 is pulled backwards, so that two ends of the switch column 362 are separated from the seat hook 308, the return tension spring 309 is pulled while the switch column 362 is pulled, then the switch column 362 is pulled downwards to apply force, so that the lower end of the second seat support 304 is driven to move backwards along the sliding groove 368 of the sliding groove seat 367, the second seat support 304 is driven to rotate anticlockwise around the hinge column 312, the first seat support 303 is driven to rotate clockwise around the rotating point of the lower end while the second seat support 304 rotates anticlockwise, the switch seat 361 and the switch column 362 on the second seat support 304 are reset forwards under the action of the return tension spring 309, and the switch seat 361 and the switch column 362 rotate clockwise along with the first seat support 303 until the first seat support 303 and the second seat support 304 complete the folding state, at this time, the switch seat 361 and the switch column 362 are under the action of the first round limiting pipe 305 and the second round limiting pipe 307 and under the elastic force of the return tension spring 309, the left and right ends of the switch post 362 are respectively positioned below the seat hook 308, so that when the second seat support 304 is driven by external force to move upwards, the left and right ends of the switch post 362 abut against the bottom of the seat hook 308, and the seat structure can be prevented from opening; when the folded and fixed seat needs to be unfolded, the switch column 362 only needs to be pulled backwards, so that the switch column 362 is separated from the lower part of the seat hook 308, and the switch column is lifted upwards with force, at this time, two ends of the switch column 362 respectively move along the arc surface at the bottom of the seat hook 308 until completely separated from the arc surface at the bottom of the seat hook 308, so as to drive the lower end of the second seat support 304 to move forwards along the sliding groove 368 of the sliding groove seat 367, simultaneously drive the second seat support 304 to rotate clockwise around the hinge column, drive the first seat support 303 to rotate anticlockwise around the rotating point at the lower end while rotating clockwise of the second seat support 304, finally, after the seat is completely unfolded, the switch column 362 is automatically clamped into the seat hook 308 under the reset action of the reset tension spring 309, the seat hook 308 can limit the downward movement of the switch column 362, and the reset tension spring 309 limits the switch column 362 in the seat hook 308, thereby completely fixing the unfolding of the seat. When the seat is unfolded and fixed and folded and fixed, the folding switch and the seat hook are matched to ensure that the structure of the folding switch is greatly simplified.

The rotation limiting device of the vehicle seat assembly in this embodiment is further described with reference to fig. 9 to 13 as follows:

the vehicle seat assembly 300 further comprises a seat cushion fixing frame 302, a seat cushion rotating frame 314 and a rotary limiting device, wherein the rotary limiting device can lock the seat cushion rotating frame 314 on the seat cushion fixing frame 302, the seat cushion rotating frame 314 can be rotatably installed on the seat cushion fixing frame 302 through a rotary bearing, the rotary limiting device comprises at least 2 limiting blocks 371 and limiting handles 372, the limiting blocks 371 are installed on the seat cushion rotating frame 314, the limiting handles 372 are rotatably installed on the inner side of the left side of the seat cushion fixing frame 302 through bolts 373, limiting columns 380 are arranged on the upper portions of the limiting handles 372, first limiting grooves 377 are formed in the limiting blocks 371 corresponding to the limiting columns 380, when the limiting handles 372 rotate clockwise around the bolts 373, the limiting columns 380 can be separated from the first limiting grooves 377, torsion springs 374 are further arranged on one sides of the bolts 373, the torsion springs are installed on the seat cushion fixing frame 302 through screws 375, and the torsion springs 374 are used for driving the, the stopper 380 is held in the first stopper groove 377.

Stopper 371 is provided with 2 and includes first stopper and second stopper respectively, contained angle between first stopper and the second stopper is 90, first stopper is installed in the front side of cushion swivel mount, when first stopper is fixed the cushion swivel mount, the cushion swivel mount at this moment is in driving state for the driver on the electronic car of riding instead of walk of old man, the left side at the cushion swivel mount is installed to the second stopper, when the second stopper is fixed the cushion swivel mount, rotatory cushion swivel mount is for the driver comes from the electronic car of riding instead of walk of old man about for this moment.

Stopper 371 is provided with 4, and is the setting of annular array, and every stopper is located front side, left side, rear side and the right side of cushion swivel mount respectively moreover, and is 90 degrees contained angles between two adjacent stoppers to can guarantee that the cushion swivel mount rotates the position of front side or left side or right side or rear side wantonly, satisfy the rotatory operation requirement of people to cushion swivel mount greatly.

The bottom of the limiting handle 372 close to the limiting column 380 is provided with a second limiting groove 381, and the right end of a screw 375 for mounting the torsion spring 374 can be matched with the second limiting groove 381 to limit the position of the limiting handle 372 in anticlockwise rotation. The provision of the second limit recess 381 prevents the torsion spring 374 from being damaged by an excessive rotation angle when the limit knob 372 is rotated counterclockwise.

A nylon packing ring 376 is further arranged on the bolt 373 used for fixing the limiting handle 372, the nylon packing ring 376 is located on the limiting handle 372 and the cushion fixing frame 302, and the limiting handle 372 is fixed on the bolt 373 and pressed on the end face of the nylon packing ring 376.

As shown in FIG. 13, a first inclined edge 378 is provided at the front side of the stopper 371, and a second inclined edge 379 is provided at the rear side of the stopper 371. When the limiting column abuts against the limiting block by arranging the first inclined edge 378 and the second inclined edge 379, the front side or the rear side of the limiting column can smoothly slide into the first limiting groove 377 of the limiting block.

According to the invention, the cushion rotating frame 314 is rotatably arranged on the cushion fixing frame 302 through the rotating bearing, and the cushion rotating frame 314 can be locked on the cushion fixing frame 302 through the rotating limiting device, when a person sits on the seat and needs to rotate, the limiting handle 372 is firstly pulled clockwise to rotate, the limiting handle 372 drives the limiting column 380 to leave the first limiting groove 377 on the limiting block 371, meanwhile, the limiting handle 372 drives one end of the torsion spring 374 to rotate, when the limiting column 380 completely leaves the first limiting groove 377, the cushion rotating frame 314 can be driven to rotate, then the limiting handle 372 is loosened, the torsion spring 374 resets, the limiting handle 372 rotates anticlockwise under the action of the torsion spring 374 to reset, when the cushion rotating frame 314 rotates, the limiting block 371 can drive the limiting column 380 to drive the limiting handle 372 to rotate clockwise, until the limiting column 380 slides into the first limiting groove 377 of the limiting block, therefore, the cushion rotating frame 314 is locked on the cushion fixing frame 302, and in conclusion, the seat structure of the invention can rotate 360 degrees in two directions, thereby greatly facilitating the old and the people who have difficulty in moving to get on or off the vehicle.

The handlebar assembly in this embodiment is further described with reference to fig. 14 to 19 as follows:

the handlebar assembly 100 comprises a guide vertical pipe 101, a handle vertical pipe 102, a vertical pipe sleeve 103 and a locking device 120, wherein the lower end of the guide vertical pipe 101 is rotatably connected with the front side of a vehicle chassis 200, the upper end of the guide vertical pipe 101 is installed in the vertical pipe sleeve 103, the upper end of the handle vertical pipe 102 is fixed with a handle of an electric scooter, the lower end of the handle vertical pipe 102 is inserted into the guide vertical pipe 101 to slide up and down, the locking device 120 fixes the handle vertical pipe 102 or releases the fixing of the handle vertical pipe 102, the locking device 120 is arranged in the vertical pipe sleeve 103, the locking device 120 comprises a locking pin 121, a spring 122, a wrench 123 and a wrench fixing seat 124, the wrench fixing seat 124 is installed on the outer side wall of the guide vertical pipe 101, the locking pin 121 is installed on the wrench fixing seat 124, one end of the locking pin 121 can pass through the guide vertical pipe 101 and then be inserted into a locking, the other end of the locking pin 121 abuts against a spring 122, the other end of the spring 122 abuts against the inner wall of the riser sleeve 103, the wrench 123 is installed in the wrench fixing seat 124, and the wrench 123 is rotated to drive the locking pin 121 to leave the locking hole 104.

The guide vertical pipe 101 is provided with a first through hole corresponding to the locking pin 121, and the left end of the locking pin 121 is installed in the first through hole.

As shown in fig. 16 and 17, it is seen that the locking pin 121 of the present invention is provided at the left end thereof with a circular arc protrusion 125, and the locking pin 121 is provided at the right end thereof with a first mounting groove 126 for mounting the spring 122. The circular arc protrusion 125 is provided to reduce friction noise between the handle stem 102 and the locking pin 121, when the locking pin 121 is in an unlocked state, the left end of the locking pin 121 abuts against the outer wall of the handle stem 102, so that when the handle stem 102 is driven to lift, the outer surface of the handle stem 102 and the left end of the locking pin 121 rub against each other, and when the left end of the locking pin 121 is provided as the circular arc protrusion, the contact area between the circular arc protrusion 125 of the locking pin 121 and the handle stem 102 is greatly reduced, so that not only is the friction force between them small, but also the friction noise is greatly reduced, so that the handle stem 102 is more smooth when lifting.

The upper end of the wrench 123 is provided with a U-shaped groove for driving the locking pin, the U-shaped groove can be clamped at the small-diameter end of the locking pin 121 from bottom to top, the left part of the locking pin 121 is the small-diameter end, and the right part of the locking pin 121 is the large-diameter end.

Two sides of the outer side wall of the handle vertical pipe 102 in the width direction are respectively provided with two spacer bushes 105, the spacer bushes 105 are positioned at the lower end of the handle vertical pipe 102, the lower end of the handle vertical pipe 102 is inserted into the guide vertical pipe 101 through the spacer bushes 105 to slide up and down, if the spacer bushes 105 are not arranged, a large gap is formed between the lower end of the handle vertical pipe 102 and the interior of the guide vertical pipe 101, when the handle vertical pipe 102 is lifted, the lower end of the handle vertical pipe 102 can swing, and the lower end of the handle vertical pipe 102 can be in clearance fit with the inner wall of the guide vertical pipe 101 by arranging the spacer bushes 105, so that the situation that the lower end of the handle vertical pipe 102 can swing when the handle vertical pipe 102 is lifted can be prevented.

The spacer 105 is provided with a plurality of protruding columns 106, the handle stem 102 is provided with first mounting holes corresponding to the protruding columns 106, and the spacer 105 is inserted into the first mounting holes through the protruding columns 106 and then fixed on the handle stem 102.

Two sides of the guide vertical pipe 101 in the width direction are respectively provided with a second mounting hole 108, and the vertical pipe sleeve 103 is sleeved at the upper end of the guide vertical pipe 101 and then is connected in the second mounting hole 108 through a screw thread.

When the height of the handle of the electric walker needs to be adjusted, the wrench 123 is firstly pulled clockwise, the upper end of the wrench 123 drives the locking pin 121 to move rightwards, after the left end of the locking pin 121 leaves the locking hole of the handle vertical pipe 102, the height of the handle vertical pipe 102 can be adjusted upwards or downwards, so that the height of the handle of the electric walker is adjusted, when the handle is adjusted to a general height, the wrench 123 is loosened, the spring 122 pushes the locking pin 121 leftwards, so that the left end of the locking pin 121 abuts against the outer side of the handle vertical pipe 102, when the handle vertical pipe 102 continuously moves in the guide vertical pipe 101, after the locking pin 121 meets the locking hole 104 of the handle vertical pipe 101, the locking pin 121 is inserted into the locking hole 104 under the driving of the spring 122, so that the handle vertical pipe 102 is locked in the guide vertical pipe 101, and the height of the handle is adjusted. In conclusion, when the handle is adjusted, the locking pin is driven to unlock the handle vertical pipe by pressing the wrench, so that people can adjust the height of the handle conveniently.

The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention are still within the technical scope of the present invention.

Claims

1. An electric scooter, which is characterized in that: including handlebar hand subassembly, vehicle chassis, saddle chair subassembly, rear wheel subassembly, plantago wheel and rear wheel drive, the folding front side of installing at the vehicle chassis of handlebar hand subassembly, just handlebar hand subassembly is connected with the plantago wheel, handlebar hand subassembly can drive the plantago wheel and be steering motion, the rear wheel subassembly sets up at the vehicle chassis rear side, rotary motion is done to the rear wheel that rear wheel drive can drive the rear wheel subassembly, the rear wheel subassembly passes through connection structure and can dismantle with the vehicle chassis and be connected, the folding installation of saddle chair subassembly is on the vehicle chassis.

2. The electric scooter of claim 1, wherein: connection structure includes activity couple subassembly, fixed couple, couple post, guide post and direction couple, the activity couple subassembly fixed couple with the guide post is all installed the rear side of vehicle underframe, fixed couple sets up respectively the both sides of activity couple subassembly, the guide post sets up respectively the both sides of the rear end of vehicle underframe, the couple post corresponds the activity couple subassembly with fixed couple sets up the front side at the rear wheel subassembly, the direction couple corresponds respectively the guide post sets up the both sides at the front end of rear wheel subassembly, when vehicle underframe and rear wheel subassembly are connected, the activity couple subassembly with fixed couple can be in on the couple post, the guide post can insert in the direction couple.

3. The electric scooter of claim 2, wherein: the activity couple subassembly includes activity couple, torsional spring, fixed axle and fixing base, the rotatable installation of activity couple is in on the fixed axle, the both ends of fixed axle are fixed respectively on the fixing base, the fixing base is installed on the vehicle underframe, the torsional spring cover is in on the fixed axle, and be used for right the activity couple resets.

4. The electric scooter of claim 1, wherein: the vehicle seat component comprises two seat supports symmetrically arranged on a vehicle chassis and a cushion fixing frame arranged on the seat supports, each seat support comprises a first seat support and a second seat support, the first seat supports and the second seat supports are hinged in an X-shaped cross mode, a first limiting circular tube is arranged at the upper end between the two second seat supports, a folding switch is arranged on the first limiting circular tube and comprises a switch seat and a switch post, the switch post is arranged at the lower right side of the switch seat, a first guide groove is arranged on the switch seat, the switch seat is arranged on the first limiting circular tube through the first guide groove, the switch seat can move back and forth on the first limiting circular tube through the first guide groove, a second guide groove is further arranged at the rear side of the first guide groove, and a second limiting circular tube is arranged in the second guide groove, the utility model discloses a seat, including the switch post, the both ends of second spacing pipe are installed respectively in cushion mount bottom, the left and right sides of switch seat is stretched out respectively at the both ends of switch post, the both sides on second seat support upper portion correspond respectively the both ends of switch post are provided with the seat couple, the both ends of switch post can block in the seat couple, the both sides of switch seat still are provided with the extension spring that resets respectively, the one end and the switch seat of extension spring that resets are connected, the other end of extension spring that resets is connected with the bottom of cushion mount, the extension spring that resets can stretch when switch seat backward motion, work as when the both ends card of switch post is gone into the seat couple, the seat support is for expanding fixed state, works as the both ends of switch post break away from the seat couple and are located the seat couple below, the seat support is folding fixed state.

5. The electric scooter of claim 1, wherein: the vehicle seat component also comprises a cushion fixing frame, a cushion rotating frame and a rotation limiting device, the rotation limiting device can lock the cushion rotating frame on the cushion fixing frame, the cushion rotating frame is rotatably arranged on the cushion fixing frame through a rotating bearing, the rotation limiting device comprises at least 2 limiting blocks and a limiting handle, the limiting blocks are arranged on the cushion rotating frame, the limiting handle is rotatably arranged on the inner side of the left side of the cushion fixing frame through a bolt, a limiting column is arranged on the upper part of the limiting handle, the limiting blocks are provided with first limiting grooves corresponding to the limiting columns, when the limiting handle rotates clockwise around the bolt, the limiting columns can be separated from the first limiting grooves, a torsional spring is further arranged on one side of the bolt, and the torsional spring is arranged on the cushion fixing frame through a screw, the torsion spring is used for keeping the limiting column in the first limiting groove when the limiting handle is driven to rotate anticlockwise around the bolt.

6. The electric scooter of claim 5, wherein: the stopper is provided with 2 and includes first stopper and second stopper respectively, first stopper with contained angle between the second stopper is 90, first stopper is installed the front side of cushion swivel mount, the second stopper is installed the left side of cushion swivel mount.

7. The electric scooter of claim 1, wherein: the bicycle handle assembly comprises a guide vertical pipe, a handle vertical pipe, a vertical pipe sleeve and a locking device, wherein the lower end of the guide vertical pipe is rotatably connected with the front side of a bicycle chassis, the upper end of the guide vertical pipe is installed in the vertical pipe sleeve, the upper end of the handle vertical pipe is fixedly provided with a handle of the electric bicycle, the lower end of the handle vertical pipe is inserted into the guide vertical pipe and slides up and down, the locking device is used for fixing the handle vertical pipe or releasing the fixing of the handle vertical pipe, the locking device is arranged in the vertical pipe sleeve and comprises a locking pin, a spring, a wrench and a wrench fixing seat, the wrench fixing seat is installed on the outer side wall of the guide vertical pipe, the locking pin is installed on the wrench fixing seat, one end of the locking pin can penetrate through the guide vertical pipe and then be inserted into a locking hole of the handle vertical pipe, and the handle vertical pipe is provided, the other end of the locking pin abuts against a spring, the other end of the spring abuts against the inner wall of the riser sleeve, the wrench is installed in the wrench fixing seat, and the wrench can be rotated to drive the locking pin to leave the locking hole.

8. The electric scooter of claim 7, wherein: the guide vertical pipe is provided with a first through hole corresponding to the locking pin, and the left end of the locking pin is installed in the first through hole.

9. The electric scooter of claim 7, wherein: the left end of the locking pin is provided with an arc bulge, and the right end of the locking pin is provided with a first mounting groove for mounting a spring.

10. The electric scooter of claim 7, wherein: the spanner upper end is provided with the U type groove that is used for driving the stop pin, U type groove can be followed up the card down in the minor diameter end of stop pin, the left part of stop pin is the minor diameter end, the right part of stop pin is big diameter end.