CN110588858B

CN110588858B - Walking aid for old people

Info

Publication number: CN110588858B
Application number: CN201910879198.8A
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: 2019-09-18
Filing date: 2019-09-18
Publication date: 2024-04-23
Anticipated expiration: 2039-09-18
Also published as: CN110588858A

Abstract

The invention discloses an elder scooter, which comprises: the steering mechanism comprises a vehicle body main frame, a driving device which is detachably arranged at the rear end of the vehicle body main frame, a connecting structure which is arranged at the joint of the vehicle body main frame and the driving device, and a steering mechanism which is arranged at the front end of the vehicle body main frame and used for controlling steering, wherein the steering mechanism comprises a vehicle head steering sheet, a left front wheel connecting shaft, a right front wheel connecting shaft, a first steering connecting rod of which the two ends are respectively hinged on the vehicle head steering sheet and the left front wheel connecting shaft, a second steering connecting rod of which the two ends are respectively hinged on the vehicle head steering sheet and the right front wheel connecting shaft, a steering connecting sheet which is arranged at the side of the vehicle head steering sheet, steering connecting sheets of which the two ends are respectively hinged on the vehicle head steering sheet and the steering engine steering sheet, and a steering engine which is used for driving the steering engine steering sheet to rotate are wirelessly controlled by a Hall rocker potentiometer, and the steering connecting sheets are driven by the steering connecting sheets, so that the left front wheel and the right front wheel are driven to deflect towards two sides to realize steering.

Description

Walking aid for old people

Technical Field

The invention relates to the technical field of scooter, in particular to a scooter for the elderly.

Background

At present, the population aging of China is increasingly prominent, in order to facilitate the travel of the old, the old scooter suitable for the old and/or people inconvenient to use legs and feet starts to appear on the market, when the scooter is used, various folding devices are designed on the scooter for facilitating storage and transportation, and as the device aims at facilitating the transportation and storage of the user, most devices in current stage are only limited by folding, so that the space is saved, but the actual weight and volume are not changed, so that the transportation of the user is not easy, the storage is not easy, and the burden on the weight and volume of the user is still increased.

The existing elder scooter adopts an integral design, the weight of the product is fixed, the volume is fixed, the parking space is limited, the carrying pressure is large due to the weight factor, the transportation of the product is difficult, the volume of the material is overlarge, and the energy is consumed, even if the folding type scooter has a volume-changeable design, the carrying pressure still exists due to the fact that the whole weight of the product cannot be separated, the carrying pressure is difficult to carry, the convenience and the comfort of independently operating the product cannot be achieved, the random splitting and the installation cannot be realized, and the function of easy carrying and moving cannot be realized through various personal minicars. And the traditional electric scooter for the old and the disabled provides convenience for the user to travel, but because of the traditional operation mode, the user needs to stretch out the arm, control the direction to control the handle and control the forward and backward movement by fingers, the simple looking action can bring tired burden to the arm and the waist of the user after long-time use.

Therefore, there is a need for an intelligent steering and traveling operation system capable of switching operation modes, so that the old people electric scooter can be switched to a remote control mode when the old people electric scooter is manually operated, and the operation burden of the user is reduced and the use safety is improved. The device can be used for installing and detaching the transmission structure of the folding elder scooter without tools, not only can be folded, but also can be used for installing and detaching the frame structure of the folding elder scooter by one key, thereby greatly reducing the carrying and storage pressure of a user and greatly reducing the pressure of the waist and arms of the user.

In view of this, the present inventors have proposed the following means.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a scooter for the aged.

In order to solve the technical problems, the invention adopts the following technical scheme: this old man car of riding instead of walk includes: the steering mechanism comprises a steering sheet of the steering machine, a left front wheel connecting shaft, a right front wheel connecting shaft, a first steering connecting rod, a second steering connecting rod, a steering engine steering sheet, a steering engine, and a steering engine, wherein the left front wheel connecting shaft is rotatably arranged at the bottom of the left end of a chassis and connected with left front wheels in a rotating manner, the right front wheel connecting shaft is rotatably arranged at the bottom of the right end of the chassis and connected with right front wheels in a rotating manner, two ends of the first steering connecting rod are respectively hinged to the steering sheet of the steering machine and the right front wheel connecting shaft, two ends of the second steering connecting rod are respectively hinged to the steering sheet of the steering machine and the right front wheel connecting shaft, the steering engine is arranged beside the steering sheet of the steering machine, the two ends of the steering engine steering sheet are respectively hinged to the steering connecting sheet of the steering machine and the steering engine steering sheet of the steering machine in a linkage manner, the steering engine is used for driving the steering engine of the steering machine, the steering sheet of the steering machine is driven by the left front wheels and the steering wheels of the steering machine through the bracket, and the steering wheels of the steering wheels are driven by the steering wheels of the steering wheels through the steering wheels of the steering wheels and the steering wheels of the steering wheels through the steering wheels.

Furthermore, in the above technical solution, the connection structure includes a connection rod disposed at a rear end of the main frame of the vehicle body, a hanging buckle assembly disposed at a front end of the driving device and used for being fastened and fixed with the connection rod, and a first positioning slot and a second positioning slot disposed at two sides of the hanging buckle assembly respectively; the steering connecting piece comprises a first steering connecting piece and a second steering connecting piece.

In the above technical scheme, the steering sheet of the vehicle head comprises a first rotating part, a first hinging part and a second hinging part which are distributed in a triangle shape, wherein the first rotating part is fixed at the lower end of the bracket, the first hinging part is hinged with one end of the first steering connecting sheet, and the second hinging part is hinged with one end of the second steering connecting sheet; the first connecting shaft hinged to the first steering connecting rod is arranged beside the first hinging part, and the second connecting shaft hinged to the second steering connecting rod is arranged beside the second hinging part.

In the above technical solution, the left front wheel connecting shaft includes a first rotating shaft rotatably mounted at the lower end of the chassis, a second rotating shaft vertically formed at the first rotating shaft and connected with the left front wheel, and a first pushing piece mounted at the lower end of the first rotating shaft and perpendicular to the second rotating shaft, wherein a third rotating shaft is mounted and fixed at the end of the first pushing piece, the lower end of the third rotating shaft is hinged with the first steering connecting rod, and the left front wheel is rotatably mounted on the second rotating shaft; the right front wheel connecting shaft comprises a fourth rotating shaft, a fifth rotating shaft and a second pushing piece, wherein the fourth rotating shaft is rotatably arranged at the lower end of the chassis, the fifth rotating shaft is vertically formed at the fourth rotating shaft and is in rotary connection with the right front wheel, the second pushing piece is arranged at the lower end of the fourth rotating shaft and is vertical to the fifth rotating shaft, a sixth rotating shaft is fixedly arranged at the end part of the second pushing piece, the lower end of the sixth rotating shaft is hinged with the second steering connecting rod, and the right front wheel is rotatably arranged on the fifth rotating shaft.

Furthermore, in the above technical scheme, the steering engine steering sheet comprises a second rotating part, a third hinging part and a fourth hinging part which are distributed in a triangle shape, wherein the second rotating part is fixed on an output shaft of the steering engine, the third hinging part is hinged with the other end of the first steering connecting sheet, and the fourth hinging part is hinged with the other end of the second steering connecting sheet.

Furthermore, in the above technical scheme, the hanging buckle assembly comprises a mounting seat fixed on the driving device, a rotating shaft arranged on the mounting seat, a hook rotatably arranged on the rotating shaft and a torsion spring arranged on the rotating shaft and used for generating a hooking force on the hook, and the hook is formed on a poking plate used for poking the hook.

In the technical scheme, the poking plate is arc-shaped, and a plurality of raised strips for skid resistance are formed at the tail end of the poking plate; the openings of the first positioning groove and the second positioning groove incline downwards.

Furthermore, in the above technical scheme, the main frame of the car body comprises a chassis which can be folded and stored, a front wheel set which is arranged at the front end of the chassis, a steering wheel which is arranged on a bracket at the front end of the chassis, and a seat component which is arranged at the rear end of the chassis and can be folded and stored, wherein the rear end of the chassis is also provided with a first supporting wheel set, and the diameter of the first supporting wheel set is smaller than that of the front wheel set.

In the technical scheme, the upper end of the bracket is provided with a control module, the control module comprises an upper control cover, a handle, an adjustable positioner, a potentiometer steering engine connecting seat, a deflector rod and a speed steering engine, the handle is arranged on the upper control cover and used for controlling the bracket to rotate, the adjustable positioner is arranged in the upper control cover and used for controlling the forward and backward movement of the scooter, the potentiometer steering engine connecting seat is arranged at the lower end of the adjustable positioner and used for controlling the adjustable positioner to pull left and right, the deflector rod is arranged on the potentiometer steering engine connecting seat and used for controlling the adjustable positioner to pull left and right, the speed steering engine is arranged at the lower end of the potentiometer steering engine connecting seat and used for controlling the adjustable positioner to pull left and right, the adjustable positioner pulls right to control the scooter to move forwards, and the adjustable positioner pulls backwards to the assistant-pull control scooter; the speed steering engine is controlled by the Hall rocker potentiometer.

In the above technical scheme, the front end and the two side surfaces of the driving device are respectively provided with a first positioning sleeve and a second positioning sleeve for positioning the main frame of the vehicle body, and the two sides of the rear end of the main frame of the vehicle body are respectively provided with a third positioning groove and a fourth positioning groove for clamping and positioning the first positioning sleeve and the second positioning sleeve.

By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1. According to the invention, the steering engine steering sheet driven by the steering engine to rotate is additionally arranged beside the steering engine steering sheet, the steering engine steering sheet is connected with the steering engine steering sheet through the steering connecting sheet, and the steering engine is controlled to operate through Bluetooth or other radio signals by the Hall rocker potentiometer, so that the left and right steering of the electric scooter for the old is synchronously controlled, and the purpose that a user can operate the left and right steering of the electric scooter for the old without touching the control handle is achieved.

2. The speed steering engine in the control module at the upper end of the bracket is controlled by the Hall rocker potentiometer through Bluetooth or other radio signals so as to synchronously control the forward and backward of the electric scooter for the old people, thereby achieving the purpose that a user can operate the forward and backward of the electric scooter for the old people without touching the control deflector rod.

3. The invention is installed together between the main frame of the car body and the driving device through a detachable connection structure, so as to realize the detachable connection of the main frame of the car body and the driving device, thereby achieving the purpose of separating the whole weight and the volume, and helping a user to reduce the occupied space and the carrying weight when parking or transporting.

Drawings

FIG. 1 is a bottom view of the present invention;

FIG. 2 is an exploded view of the steering mechanism of the present invention;

FIG. 3 is an exploded view of the steering mechanism of the present invention;

FIG. 4 is a perspective view of the present invention;

FIG. 5 is an exploded view of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is an exploded view of the present invention;

Fig. 8 is an exploded view of the present invention.

Reference numerals illustrate:

1. rear base of chassis 111 of main frame 11 of automobile body

112. Front chassis 113 pushing device 114 tilting panel

12. Front wheel set 121 left front wheel 122 right front wheel

13. Bracket 131 outer sleeve 132 telescopic rod

133. Adjustment device 14 steering wheel 15 seat assembly

151. Support 152 chair 153 armrest

16. First supporting wheel group 17 connecting rod 2 driving device

21. Second supporting wheel set of rear wheel set 23 of supporting seat 22

3. Connecting structure 31 connecting rod 32 hanging buckle assembly

321. Mounting seat 322 rotating shaft 323 hook

324. Raised strip of plate 326 is stirred to torsional spring 325

33. First positioning groove 34 second positioning groove 35 first positioning sleeve

36. Second positioning sleeve 37 third positioning groove 38 fourth positioning groove

4. First rotating part of steering mechanism 41 head steering sheet 411

412. First hinge 413 second hinge 414 first connection shaft

415. First rotating shaft of left front wheel connecting shaft 421 of second connecting shaft 42

422. Second rotating shaft 423, first pushing piece 424 and third rotating shaft

43. The right front wheel connecting axle 431, the fourth rotating axle 432 and the fifth rotating axle

433. The second push piece 434 sixth rotating shaft 44 first steering linkage

45. Second turning part of steering wheel steering blade 461 of second steering link 46

462. Third hinge 463 and fourth hinge 47 turn to the connecting piece

471. First steering connection piece 472 second steering connection piece 48 steering engine

5. Control module 51 upper control upper cover 52 handle

53. Potentiometer steering engine connecting seat 54 deflector rod 55 speed steering engine

Detailed Description

The invention will be further described with reference to specific examples and figures.

Referring to fig. 1 to 8, there is provided an aged walker comprising: the electric car comprises a foldable car body main frame 1, a driving device 2 which is detachably arranged at the rear end of the car body main frame 1 and is used for driving the car body main frame 1 to move, a connecting structure 3 which is arranged at the joint of the car body main frame 1 and the driving device 2, and a steering mechanism 4 which is arranged at the front end of the car body main frame 1 and is used for controlling steering, wherein the steering mechanism 4 comprises a car head steering sheet 41 which is linked with a front end bracket 13 of the car body main frame 1, a left front wheel connecting shaft 42 which is rotatably arranged at the bottom of the left end of a chassis 11 and is rotatably connected with left front wheels 121, a right front wheel connecting shaft 43 which is rotatably arranged at the bottom of the right end of the chassis 11 and is rotatably connected with right front wheels 122, a first steering connecting rod 44 which is respectively hinged at the car head steering sheet 41 and the left front wheel connecting shaft 42 at two ends, a steering wheel steering sheet 46 which is respectively hinged at the car head steering sheet 41 and the right front wheel connecting shaft 43, a connecting sheet 47 which is respectively hinged at the side of the car head steering sheet 41, a connecting sheet 47 which is respectively hinged at the two ends of the steering wheel 46, and a connecting sheet 47 which is respectively hinged at the car head steering wheel 46, and a steering wheel 46 which is used for driving the front wheels 122 to rotate through the left front wheels 121 and the steering wheel connecting shaft 122, and the front wheels 122 are rotatably driven by the steering wheel and the front wheels 122 through the steering wheel and the front wheels 121.

The connecting structure 3 comprises a connecting rod 31 arranged at the rear end of the main body frame 1, a hanging buckle assembly 32 arranged at the front end of the driving device 2 and used for being clamped and fixed with the connecting rod 31, and a first positioning groove 33 and a second positioning groove 34 respectively arranged at two sides of the hanging buckle assembly 32; the steering linkage 47 includes a first steering linkage 471 and a second steering linkage 472. The driving device 2 can be quickly detached from the rear end of the main body frame 1 of the automobile body through the connecting mechanism 3, or the driving device 2 can be quickly installed on the rear end of the main body frame 1 of the automobile body without any auxiliary tool, so that the automobile body can be folded, the frame structure of the scooter for the folded old can be installed and detached in a one-key mode, the carrying and storage pressure of a user can be greatly reduced, the pressure of the waist and arms of the user can be greatly reduced, and the occupied space and carrying weight can be reduced when the user parks or transports conveniently.

The steering sheet 41 comprises a first rotating part 411, a first hinge part 412 and a second hinge part 413 which are distributed in a triangle shape, wherein the first rotating part 411 is fixed at the lower end of the bracket 13, the first hinge part 412 is hinged with one end of the first steering connecting sheet 471, and the second hinge part 413 is hinged with one end of the second steering connecting sheet 472; the first hinge portion 412 is provided with a first connecting shaft 414 hinged to the first steering link 44, and the second hinge portion 413 is provided with a second connecting shaft 415 hinged to the second steering link 45.

The left front wheel connecting shaft 42 comprises a first rotating shaft 421 rotatably mounted at the lower end of the chassis 11, a second rotating shaft 422 vertically formed at the first rotating shaft 421 and rotatably connected with the left front wheel 121, and a first pushing piece 423 mounted at the lower end of the first rotating shaft 421 and vertically connected with the second rotating shaft 422, wherein a third rotating shaft 424 is fixedly mounted at the end of the first pushing piece 423, the lower end of the third rotating shaft 424 is hinged with the first steering connecting rod 44, and the left front wheel 121 is rotatably mounted on the second rotating shaft 422; the right front wheel connecting shaft 43 includes a fourth rotating shaft 431 rotatably mounted at the lower end of the chassis 11, a fifth rotating shaft 432 vertically formed at the fourth rotating shaft 431 and rotatably connected with the right front wheel 122, and a second pushing piece 433 mounted at the lower end of the fourth rotating shaft 431 and perpendicular to the fifth rotating shaft 432, wherein a sixth rotating shaft 434 is fixedly mounted at the end of the second pushing piece 433, the lower end of the sixth rotating shaft 434 is hinged with the second steering connecting rod 45, and the right front wheel 122 is rotatably mounted on the fifth rotating shaft 432.

The steering wheel steering sheet 46 includes a second rotating portion 461, a third hinge portion 462 and a fourth hinge portion 463 which are distributed in a triangle shape, wherein the second rotating portion 461 is fixed on the output shaft of the steering wheel 48, the third hinge portion 462 is hinged to the other end of the first steering connecting sheet 471, and the fourth hinge portion 463 is hinged to the other end of the second steering connecting sheet 472.

In the conventional control mode, the bracket 13 rotates to drive the steering sheet 41 to deflect, when steering leftwards, the steering sheet 41 rotates anticlockwise to pull the first steering connecting rod 44 rightwards and drive the left front wheel connecting shaft 42 to pull the left front wheel 121 to deflect leftwards, and simultaneously, the second steering connecting rod 45 is pushed rightwards and drive the right front wheel connecting shaft 43 to push the right front wheel 122 to deflect leftwards, so that the left steering of the modern scooter is realized; when steering to the right, the steering sheet 41 of the front of the bicycle rotates clockwise, pulls the first steering link 44 to the right and drives the left front wheel connecting shaft 42 to push the left front wheel 121 to deflect to the right, and simultaneously pulls the second steering link 45 to the right and drives the right front wheel connecting shaft 43 to pull the right front wheel 122 to deflect to the right, so that the right steering of the scooter is realized. In the present invention, the steering engine 48 is remotely controlled to operate by bluetooth or other radio signals by switching the hall-bar potentiometer as a controller, when steering left, the steering engine 48 is controlled by the hall-bar potentiometer to drive the steering engine steering blade 46 to rotate anticlockwise, the first steering connecting piece 471 pulls the steering engine steering blade 41 to rotate anticlockwise, the second steering connecting piece 472 pushes the steering engine steering blade 41 to rotate anticlockwise, and therefore left steering of the scooter is achieved, when steering right, the steering engine 48 is controlled by the hall-bar potentiometer to drive the steering engine steering blade 46 to rotate clockwise, the first steering connecting piece 471 pushes the steering engine steering blade 41 to rotate clockwise, and the second steering connecting piece 472 pulls the steering engine steering blade 41 to rotate clockwise, thereby achieving right steering of the scooter.

The hanging buckle assembly 32 comprises a mounting seat 321 fixed on the driving device 2, a rotating shaft 322 arranged on the mounting seat 321, a hook 323 rotatably arranged on the rotating shaft 322 and a torsion spring 324 arranged on the rotating shaft 322 and used for generating a hooking force on the hook 323, wherein the hook 323 is formed on a poking plate 325 used for poking the hook 323.

The poking plate 325 is arc-shaped, and a plurality of raised strips 326 for skid resistance are formed at the tail end; the openings of the first positioning groove 33 and the second positioning groove 34 are inclined downward.

The main body frame 1 comprises a foldable and storable chassis 11, a front wheel set 12 arranged at the front end of the chassis 11, a steering wheel 14 arranged on a front end bracket 13 of the chassis 11 and a foldable and storable seat assembly 15 arranged at the rear end of the chassis 11, wherein the rear end of the chassis 11 is also provided with a first support wheel set 16, and the diameter of the first support wheel set 16 is smaller than that of the front wheel set 12.

The upper end of the bracket 13 is provided with a control module 5, the control module 5 comprises an upper control cover 51, a handle 52 which is arranged on the upper control cover 51 and used for controlling the rotation of the bracket 13, an adjustable positioner which is arranged in the upper control cover 51 and used for controlling the forward and backward movement of the scooter, a potentiometer steering engine connecting seat 53 which is arranged at the lower end of the adjustable positioner and used for controlling the adjustable positioner, a deflector rod 54 which is arranged on the potentiometer steering engine connecting seat 53 and used for controlling the left and right pulling of the adjustable positioner, and a speed steering engine 55 which is arranged at the lower end of the potentiometer steering engine connecting seat 53 and used for controlling the left and right pulling of the adjustable positioner, wherein the adjustable positioner pulls to the right to control the front movement of the scooter, and the adjustable positioner pulls to the adjuvant to control the backward movement of the scooter; the speed steering engine 55 is controlled by the Hall rocker potentiometer.

In the conventional mode, the shift lever 54 is shifted leftwards or rightwards, the potentiometer steering engine connecting seat 53 is pushed to move leftwards or rightwards to drive the adjustable positioner to be pulled leftwards or rightwards so as to control the advancing or retreating of the electric scooter, specifically, when the shift lever 54 is shifted rightwards, the potentiometer steering engine connecting seat 53 is moved rightwards to drive the adjustable positioner to be pulled rightwards so as to control the advancing of the electric scooter, and when the shift lever 54 is shifted leftwards, the potentiometer steering engine connecting seat 53 is moved leftwards to drive the adjustable positioner to be pulled leftwards so as to control the retreating of the electric scooter.

In the invention, the power output shaft of the speed steering engine 55 is combined with the center point of the potentiometer steering engine connecting seat 53, so when the power output shaft of the speed steering engine 55 turns to the right after being controlled by the Hall rocker potentiometer, the potentiometer steering engine connecting seat 53 is pushed to act to the right to drive the adjustable positioner to pull to the right so as to control the advancing of the electric scooter; when the speed steering engine 55 turns left, the potentiometer steering engine connecting seat 53 is pushed to move left to drive the adjustable positioner to pull to the adjuvant so as to control the backward movement of the electric scooter.

The hall rocker potentiometer controls the steering engine 48 and the speed steering engine 55 via bluetooth or other radio signals.

The chassis 11 comprises a rear base 111 and a front base 112 hinged with the rear base 111 and capable of being folded relatively, wherein the rear end of the front base 112 extends to the rear of the hinged position and is propped against the rear base 111; the rear base 111 is provided with a pushing device 113 for pushing the rear end of the front base 112 to fold upwards, the rear end of the front base 112 is provided with an inclined panel 114, and the front end of the pushing device 113 is pressed against the middle of the inclined panel 114.

The seat assembly 15 includes a support 151 hinged to the rear end of the chassis 11, a seat 152 mounted on the upper end of the support 151, and armrests 153 disposed on two sides of the support 151, wherein two sides of the support 151 are further provided with a connecting rod 17 hinged to the rear end of the front base 112 and used for supporting the support 151, and two ends of the connecting rod 17 are hinged to the support 151 and the front base 112 respectively.

The bracket 13 can be adjusted and contracted, and comprises an outer sleeve 131 arranged at the front end of the chassis 11, a telescopic rod 132 arranged in the outer sleeve 131 and capable of adjusting and contracted, and an adjusting device 133 arranged on the outer sleeve 131 and used for adjusting the position of the telescopic rod 132.

The front end two side surfaces of the driving device 2 are also respectively provided with a first positioning sleeve 35 and a second positioning sleeve 36 for positioning the main body frame 1, and the rear end two sides of the main body frame 1 are respectively provided with a third positioning groove 37 and a fourth positioning groove 38 which are engaged and positioned with the first positioning sleeve 35 and the second positioning sleeve 36.

The driving device 2 comprises a supporting seat 21, rear wheel groups 22 arranged on two sides of the supporting seat 21, and a motor which is arranged on the supporting frame 21 and is used for driving the rear wheel groups 22 to rotate, wherein a second supporting wheel group 23 is further arranged at the rear end of the supporting seat 21, and the diameter of the second supporting wheel group 23 is smaller than that of the rear wheel group 22.

The steering engine 48 and the speed steering engine 55 are motors.

In summary, when the steering is performed in the conventional manner, the user needs to hold the handle 52 with both hands, and the lower end of the bracket 13 drives the steering sheet 41 to deflect by rotating the bracket 13 left and right, thereby realizing control of steering left and right, and realizing mechanical control of forward and backward by pulling the deflector rod 54. When the user experiences fatigue after long-time mechanical operation, the user can remotely control the steering engine 48 and the speed steering engine 55 to operate by adopting the Hall rocker potentiometer as a controller, so that the control of synchronously controlling the left-right steering and the forward-backward steering of the electric scooter for the old people is realized, and the purposes that the user can operate the forward-backward steering, the left-backward steering and the right-backward steering of the electric scooter for the old people without touching the control handle are achieved.

When the invention is used, the front base 112 is pulled by the pushing device 113, the front base 112 is horizontally unfolded relative to the rear base 111, then the seat component 15 is relatively unfolded, the main frame 1 of the automobile body is completely unfolded, next, the toggle plate 326 of the hook component 32 is pulled, the hook 323 is in a state to be hooked, next, the driving device 2 is pushed to be close to the main frame 1 of the automobile body, the first positioning groove 33 and the second positioning groove 34 are aligned and clamped on the connecting rod 31, meanwhile, the third positioning groove 37 and the fourth positioning groove 38 are aligned and clamped on the first positioning sleeve 35 and the second positioning sleeve 36, so that the driving device 2 is positioned relative to the main frame 1 of the automobile body, then the toggle plate 326 is loosened, the hook 326 is tightly buckled on the connecting rod 31 by the reset torsion generated by the torsion spring 324, and the driving device 2 and the main frame 1 of the automobile body are fixed together, and the integral installation of the invention is completed.

When the invention needs to be stored and transported, the toggle plate 326 is pulled firstly to enable the hook 323 to be separated from the connecting rod 31, then the driving device 2 is pulled backwards to enable the first positioning groove 33 and the second positioning groove 34 to be separated from the connecting rod 31, and the third positioning groove 37 and the fourth positioning groove 38 to be separated from the first positioning sleeve 35 and the second positioning sleeve 36, and then the seat assembly 15 is folded together, and the front base 112 is pushed upwards obliquely by the pushing device 2 to enable the front base 112 to be folded and folded together relative to the rear base 111, so that the occupied space of the main body frame 1 of the automobile body is reduced. Because the body main frame 1 and the driving device 2 are detached when the folding and storage device is folded and stored, the occupied space is reduced, the single carrying weight is reduced, the aged can easily carry the folding and storage device, and the burden of the aged is lightened.

According to the invention, the steering wheel steering sheet 46 driven to rotate by the steering wheel 48 is additionally arranged beside the steering wheel 41, the steering wheel steering sheet 41 is connected with the steering wheel steering sheet 46 through the steering connecting sheet 47, and the steering wheel 48 is controlled to operate through Bluetooth or other radio signals by the Hall rocker potentiometer, so that the left and right steering of the electric scooter for the old is synchronously controlled, and the purpose that a user can operate the left and right steering of the electric scooter for the old without touching the control handle is achieved.

In the invention, the speed steering engine 55 in the control module 5 at the upper end of the bracket 13 is controlled by the Hall rocker potentiometer through Bluetooth or other radio signals so as to synchronously control the forward and backward of the electric scooter for the old people, thereby achieving the purpose that a user can operate the forward and backward of the electric scooter for the old people without touching the control deflector rod.

The invention is arranged between the main frame 1 and the driving device 2 through the detachable connecting structure 3, so as to realize the detachable connection of the main frame 1 and the driving device 2, thereby achieving the purpose of separating the whole weight and the volume, and helping a user to reduce the occupied space and the carrying weight when parking or transporting.

It is understood that the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.

Claims

1. An aged walker characterized by comprising: the foldable automobile body main frame (1), a driving device (2) which is detachably arranged at the rear end of the automobile body main frame (1) and is used for driving the automobile body main frame (1) to move, a connecting structure (3) which is arranged at the joint of the automobile body main frame (1) and the driving device (2) and a steering mechanism (4) which is arranged at the front end of the automobile body main frame (1) and is used for controlling steering, the steering mechanism (4) comprises a steering piece (41) which is interlocked with a front end bracket (13) of the automobile body main frame (1), a left front wheel connecting shaft (42) which is rotatably arranged at the bottom of the left end of a chassis (11) and is rotatably connected with a left front wheel (121), a right front wheel connecting shaft (43) which is rotatably arranged at the bottom of the right end of the chassis (11) and is rotatably connected with a right front wheel (122), a first steering connecting rod (44) which is respectively hinged at two ends of the steering piece (41) and the left front wheel connecting shaft (42), a second steering piece (45) which is respectively hinged at the steering piece (41) and the right front wheel connecting shaft (43), a steering piece (46) which is respectively hinged at two ends of the steering piece (46) are respectively arranged at the steering piece (46) and the steering piece (46), the steering engine (48) is controlled by a Hall rocker potentiometer in a wireless mode, the steering engine steering sheet (46) is driven to rotate and the steering connecting sheet (47) is used for driving the steering sheet (41) to deflect, so that the left front wheel (121) and the right front wheel (122) are driven to deflect to two sides to realize steering.

2. The elder scooter of claim 1, wherein: the connecting structure (3) comprises a connecting rod (31) arranged at the rear end of the main body frame (1), a hanging buckle assembly (32) arranged at the front end of the driving device (2) and used for being clamped and fixed with the connecting rod (31), and a first positioning groove (33) and a second positioning groove (34) respectively arranged at two sides of the hanging buckle assembly (32); the steering connecting piece (47) comprises a first steering connecting piece (471) and a second steering connecting piece (472).

3. The elder scooter of claim 2, wherein: the steering sheet (41) of the vehicle head comprises a first rotating part (411), a first hinging part (412) and a second hinging part (413) which are distributed in a triangle shape, wherein the first rotating part (411) is fixed at the lower end of the bracket (13), the first hinging part (412) is hinged with one end of the first steering connecting sheet (471), and the second hinging part (413) is hinged with one end of the second steering connecting sheet (472); the first connecting shaft (414) hinged with the first steering connecting rod (44) is arranged beside the first hinging part (412), and the second connecting shaft (415) hinged with the second steering connecting rod (45) is arranged beside the second hinging part (413).

4. The elder scooter of claim 1, wherein: the left front wheel connecting shaft (42) comprises a first rotating shaft (421) rotatably mounted at the lower end of the chassis (11), a second rotating shaft (422) vertically formed on the first rotating shaft (421) and rotationally connected with the left front wheel (121), and a first pushing piece (423) mounted at the lower end of the first rotating shaft (421) and perpendicular to the second rotating shaft (422), a third rotating shaft (424) is mounted and fixed at the end part of the first pushing piece (423), the lower end of the third rotating shaft (424) is hinged with the first steering connecting rod (44), and the left front wheel (121) is rotatably mounted on the second rotating shaft (422); the right front wheel connecting shaft (43) comprises a fourth rotating shaft (431) rotatably mounted at the lower end of the chassis (11), a fifth rotating shaft (432) vertically formed on the fourth rotating shaft (431) and rotationally connected with the right front wheel (122), and a second pushing piece (433) mounted at the lower end of the fourth rotating shaft (431) and perpendicular to the fifth rotating shaft (432), a sixth rotating shaft (434) is mounted and fixed at the end part of the second pushing piece (433), the lower end of the sixth rotating shaft (434) is hinged with the second steering connecting rod (45), and the right front wheel (122) is rotatably mounted on the fifth rotating shaft (432).

5. The elder scooter of claim 2, wherein: steering wheel steering sheet (46) including be triangle-shaped second rotation portion (461), third articulated portion (462) and fourth articulated portion (463) that distribute, wherein, second rotation portion (461) be fixed in on the output shaft of steering wheel (48), third articulated portion (462) with first steering connection piece (471) other end articulates, fourth articulated portion (463) with second steering connection piece (472) other end articulates.

6. The elder scooter of claim 2, wherein: the hanging buckle assembly (32) comprises a mounting seat (321) fixed on the driving device (2), a rotating shaft (322) arranged on the mounting seat (321), a hook (323) rotatably arranged on the rotating shaft (322) and a torsion spring (324) arranged on the rotating shaft (322) and used for generating hooking force on the hook (323), and the hook (323) is formed on a poking plate (325) used for poking the hook (323).

7. The elder scooter of claim 6, wherein: the poking plate (325) is arc-shaped, and a plurality of raised strips (326) for skid resistance are formed at the tail end; the openings of the first positioning groove (33) and the second positioning groove (34) incline downwards.

8. The elder scooter of claim 1, wherein: the automobile body frame (1) including collapsible chassis (11) of accomodating, install in front wheelset (12) of chassis (11) front end, install steering wheel (14) on chassis (11) front end support (13) and install in chassis (11) rear end and collapsible seat subassembly (15) of accomodating, chassis (11) rear end still be provided with first support wheelset (16), the diameter of this first support wheelset (16) is less than the diameter of front wheelset (12).

9. The elder scooter of claim 8, wherein: the upper end of the bracket (13) is provided with a control module (5), the control module (5) comprises an upper control upper cover (51), a handle (52) which is arranged on the upper control upper cover (51) and used for controlling the bracket (13) to rotate, an adjustable positioner which is arranged in the upper control upper cover (51) and used for controlling the front and back of the scooter, a potentiometer steering engine connecting seat (53) which is arranged at the lower end of the adjustable positioner and used for controlling the adjustable positioner, a deflector rod (54) which is arranged on the potentiometer steering engine connecting seat (53) and used for controlling the left and right pulling of the adjustable positioner, and a speed steering engine (55) which is arranged at the lower end of the potentiometer steering engine connecting seat (53) and used for controlling the left and right pulling of the adjustable positioner, wherein the adjustable positioner pulls to the front of the scooter and the back of the scooter are controlled by means of adjuvant pulling; the speed steering engine (55) is controlled by the Hall rocker potentiometer.

10. The elder scooter of claim 1, wherein: the front end two side surfaces of the driving device (2) are also respectively provided with a first positioning sleeve (35) and a second positioning sleeve (36) which are used for positioning the main frame (1) of the automobile body, and the two sides of the rear end of the main frame (1) of the automobile body are respectively provided with a third positioning groove (37) and a fourth positioning groove (38) which are used for clamping and positioning the first positioning sleeve (35) and the second positioning sleeve (36).