Electric folding electronic handle control type electric four-wheeler

Abstract

The invention discloses an electric folding electronic handle control type electric four-wheeler. The electric folding electronic handle control type electric four-wheeler comprises a chassis, a foldable structure arranged on the chassis and an electronic handle type control device, according to the foldable structure, only one driver is adopted as a folding power source, when the driver extends, the main supporting arm assembly is lifted, the seat plate is driven to rise, and the first auxiliary connecting rod and the second auxiliary connecting rod are gradually erected; and then the second auxiliary connecting rod drives a parallelogram connecting rod mechanism formed by the third auxiliary connecting rod, the armrest arm, the backrest frame and the seat plate to be lifted, namely the backrest frame is lifted, and the whole foldable structure reaches a supporting state. The electronic handlebar type control device is composed of a grip, a controller and a displayer, the controller and the displayer are installed on the grip, a digital gyroscope and an accelerometer are arranged in the electronic handlebar type control device and used for detecting posture information of the handlebar type control device in the steering process, and the main controller controls the vehicle body to conduct corresponding steering actions according to the posture information of the electronic handlebar type control device.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of electric vehicles, and particularly relates to an electric folding electronic handlebar control type electric four-wheeled vehicle. BACKGROUND

[0002] The electric four-wheeled vehicle is a low-speed walking tool, which is equipped with an electric drive device and is mainly composed of a vehicle chassis, a seat on the vehicle chassis, a drive motor, a controller and a battery. Unlike traditional electric tricycles, electric vehicles and bicycles, the electric four-wheeled vehicle usually has an intelligent control system, which can easily realize functions such as forward movement, backward movement, steering, seat folding and the like.

[0003] The existing electric four-wheeled vehicle is usually used as an electric wheelchair, which is a low-speed walking tool for the elderly or people with limited mobility. The controller of such an electric four-wheeled vehicle is usually arranged at the front end of the armrest, and the travel and steering of the vehicle are controlled by shaking the rocker handle on the controller with one hand. The controller in the form of a conventional rocker handle has relatively simple functions, a single control form, and insufficient control and human-computer interaction, which cannot meet the needs of users. For example, for young people, the electric four-wheeled vehicle can be used as a low-speed walking tool for outdoor activities, such as in some tourist attractions, parks or golf courses. The above-mentioned control mode in the form of a conventional rocker handle is not suitable for young people (the control mode in the form of a rocker handle is used because the upper body movement ability of the elderly or people with disabilities is weak, and they need to lean against the backrest of the vehicle body for a long time, so the controller in the form of a rocker handle is arranged at the front end of the armrest).

[0004] In addition, most of the existing electric four-wheeled vehicles are not foldable and are inconvenient to store. Although there are some foldable electric four-wheeled vehicles, the existing electric four-wheeled vehicles often need to be operated with both hands to fold and unfold, which is very inconvenient to operate. Or use electric folding, the existing electric folding structure is mostly complex, uses multiple drivers, and the cost is also high. SUMMARY

[0005] The present application mainly overcomes the shortcomings of the prior art and provides an electric folding electronic handlebar control type electric four-wheeled vehicle.

[0006] The present application is realized by the following technical solutions:

[0007] An electric folding electronic handlebar control type electric four-wheeled vehicle, comprising a vehicle chassis, a foldable structure arranged on the vehicle chassis, and an electronic handlebar control device.

[0008] The foldable structure comprises a driver, a main support arm assembly, a seat plate, a backrest frame, an armrest arm, a first auxiliary connecting rod, a second auxiliary connecting rod and a third auxiliary connecting rod, the main support arm assembly comprises front support arms and rear support arms, bottom ends of the front support arms are hinged to first supports of a base body, top ends of the front support arms are hinged to second supports on a bottom surface of the seat plate, and the two front support arms are symmetrically arranged left and right; bottom ends of the rear support arms are hinged to the first supports, top ends of the rear support arms are hinged to the second supports, the rear support arms are parallel to the front support arms, the front support arms, the rear support arms, the first supports and the second supports form a parallelogram linkage mechanism, and the seat plate is horizontally arranged; a front end of the driver is hinged to the front support arms or the rear support arms of the main support arm assembly, and a bottom end of the driver is mounted on the base body; tracks are arranged on left and right sides of the seat plate, top ends of the first auxiliary connecting rod and bottom ends of the second auxiliary connecting rod are slidably mounted on the tracks through first mounting shafts, and a bottom end of the first auxiliary connecting rod is mounted on the rear support arm of the main support arm assembly through a second mounting shaft; a top end of the second auxiliary connecting rod is hinged to the backrest frame, and a bottom part of the backrest frame is hinged to a side part of the seat plate; a tail part of the armrest arm is hingedly mounted on the backrest frame, and the third auxiliary connecting rod is connected between the armrest arm and the seat plate, and the third auxiliary connecting rod, the armrest arm, the backrest frame and the seat plate form another parallelogram linkage mechanism.

[0009] A head vertical pipe is arranged on a vehicle chassis, and the electronic handlebar type control device is rotatably arranged on a top part of the head vertical pipe, and the electronic handlebar type control device comprises a handlebar and a control device and a display arranged on the handlebar, and a digital gyroscope and an accelerometer are arranged in the control device; control buttons and a speed adjusting lever are arranged on the control device.

[0010] In the above technical solution, the driver is a linear electric cylinder with a self-locking function.

[0011] In the above technical solution, a bent flange plate is arranged on a side part of the seat plate, and long holes in a strip shape are arranged on the flange plate along a front-rear direction of the seat plate, so as to form the tracks.

[0012] In the above technical solution, the backrest frame is in a U-shaped structure, and the backrest frame comprises an outer shell and a framework arranged in the outer shell, the framework comprises two parallel straight segments at a lower part and a U-shaped segment at an upper part, two ends of the U-shaped segment correspond to top ends of the two straight segments, and an included angle between the U-shaped segment and the straight segments is an obtuse angle, and the U-shaped segment is used for forming a backrest to support a back of a human body.

[0013] In the above technical solution, a recess for accommodating the main support arm assembly and the driver is further arranged on the vehicle chassis, and the main support arm assembly and the driver can be accommodated in the recess in the folded state.

[0014] In the technical scheme, the chassis has four wheels, including two front wheels and two rear wheels, preferably, the two rear wheels are connected with the motors respectively and controlled by the motors, and the two front wheels are provided with the Mecanum wheels.

[0015] In the technical scheme, the U-shaped handle is arranged at the tail of the backrest frame to facilitate pushing the four-wheeled vehicle from the rear.

[0016] In the technical scheme, the handle is provided with two U-shaped tubes arranged symmetrically, the display is connected and arranged at the front end of the two U-shaped tubes, and the controller is connected and arranged at the tail end of the two U-shaped tubes; the controller comprises a control panel, a speed adjusting lever and a controller mounting box, wherein the control panel is arranged on the upper layer of the controller mounting box, and a plurality of control buttons are arranged on the control panel.

[0017] In the technical scheme, the control buttons comprise N speed gear control buttons, volume increasing control buttons, volume decreasing control buttons, light control buttons, horn buttons, folding control buttons for controlling the folding of the foldable structure, supporting control buttons for controlling the supporting of the foldable structure, vehicle forward gear control buttons and vehicle reverse gear control buttons.

[0018] In the technical scheme, the controller mounting box is preferably an open-bottom box body, an installation plate is fixedly connected in the controller mounting box by means of bolts, the speed adjusting lever is rotatably arranged on the installation plate by means of a rotating shaft, and the speed adjusting lever is used for controlling the vehicle speed; an installation cylinder is arranged on the installation plate, the tail end of the handle is fixedly connected to the cylinder wall of the installation cylinder, and the installation cylinder is rotatably arranged on the mounting frame at the top of the vehicle head stand by means of a rotating assembly arranged in the installation cylinder, so that the entire controller, the handle and the display can be synchronously rotated on the vehicle head stand.

[0019] In the technical scheme, the bottom of the vehicle head stand can be provided with a folding lock mechanism to enable the vehicle head stand to be folded rearward.

[0020] In the technical scheme, the vehicle head stand can be provided as a height-adjustable structure, so that the appropriate height position of the electronic handlebar type control device can be adjusted.

[0021] The advantages and beneficial effects of the present application are as follows:

[0022] The electric four-wheeled vehicle of the present application has a folding function, and the folding structure is designed ingeniously, is convenient to operate, is stable in structure and is compact in contraction, and only one driver is used as a power source for folding; when the driver is elongated, the main support arm assembly is lifted, the seat plate is lifted, and the first auxiliary connecting rod and the second auxiliary connecting rod are gradually erected, and then the second auxiliary connecting rod drives the third auxiliary connecting rod, the armrest, the backrest frame and the seat plate to lift the parallelogram linkage mechanism, that is, the backrest frame is lifted, and finally the entire foldable structure reaches the supporting state; similarly, when the linear electric cylinder is contracted, the entire foldable structure can be folded up.

[0023] The electronic handlebar type control device is arranged on the vehicle body, is rotatably arranged on the top of the head vertical pipe, and is used for operating the electric four-wheeled vehicle. The electronic handlebar type control device is designed carefully and is composed of a handle, a controller and a display arranged on the handle. A digital gyroscope and an accelerometer are arranged in the controller. When a user holds the handle to control the rotation of the electronic handlebar type control device on the head vertical pipe, the digital gyroscope and the accelerometer rotate, and the posture information in the rotation process of the electronic handlebar type control device is detected through the digital gyroscope and the accelerometer. The main controller controls the steering action of the wheel motor according to the posture information of the electronic handlebar type control device, and the steering of the vehicle body is realized. In addition, control buttons and a speed adjusting lever are arranged on the controller, and the electric four-wheeled vehicle is controlled. The electronic handlebar type control device can better increase the controllability, interestingness and man-machine interaction of the electric four-wheeled vehicle, is suitable for the control form of young people and is used as a low-speed walking tool for outdoor activities.

[0024] In addition, a folding lock mechanism is arranged at the bottom of the head vertical pipe, so that the head vertical pipe can be folded backward. Further, the head vertical pipe can be arranged as a height-adjustable structure, so that the height position of the electronic handlebar type control device can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 FIG. 1 is a structural schematic diagram of the supporting state of the electric folding electronic handlebar control type electric four-wheeled vehicle of the present application.

[0026] Figure 2 FIG. 2 is a structural schematic diagram of the folding state of the electric folding electronic handlebar control type electric four-wheeled vehicle of the present application.

[0027] Figure 3 FIG. 3 is a skeleton structure schematic diagram of the foldable structure of the electric folding electronic handlebar control type electric four-wheeled vehicle of the present application.

[0028] Figure 4The figure is a schematic diagram of the framework structure of the foldable structure of the electric folding electronic handlebar control type electric four-wheeled vehicle of the present application.

[0029] Figure 5 The figure is a schematic diagram of the folding principle of the foldable structure of the electric folding electronic handlebar control type electric four-wheeled vehicle of the present application.

[0030] Figure 6 The figure is a schematic diagram of the structure of the electronic handlebar control device of the electric folding electronic handlebar control type electric four-wheeled vehicle of the present application.

[0031] Figure 7 The figure is a schematic diagram of the structure of the electronic handlebar control device of the electric folding electronic handlebar control type electric four-wheeled vehicle of the present application.

[0032] Figure 8 The figure is a schematic diagram of the structure of the electronic handlebar control device of the electric folding electronic handlebar control type electric four-wheeled vehicle of the present application.

[0033] Figure 9 The figure is a schematic diagram of the structure of the electric folding electronic handlebar control type electric four-wheeled vehicle of the present application.

[0034] For those skilled in the art, other related figures can be obtained according to the above figures without creative labor. DETAILED DESCRIPTION

[0035] In order to make those skilled in the art better understand the technical scheme of the present application, the technical scheme of the present application will be further described in combination with specific embodiments.

[0036] An electric folding electronic handlebar control type electric four-wheeled vehicle, see the attached Figure 1 -attached Figure 5 , comprising a vehicle chassis 1, a foldable structure arranged on the vehicle chassis 1, and an electronic handlebar control device 14.

[0037] The foldable structure comprises a driver 2, a main support arm assembly 3, a seat plate 4, a backrest frame 5, an armrest arm 6, a first auxiliary connecting rod 7, a second auxiliary connecting rod 8 and a third auxiliary connecting rod 9. The main support arm assembly 3 comprises front support arms 31 and a rear support arm 32. The number of front support arms 31 is two, and the number of rear support arms 32 is one (the number of rear support arms 32 can also be two). The bottom ends of the two front support arms 31 are hinged to the first support 11 of the vehicle chassis 1, and the top ends of the two front support arms 31 are hinged to the second support 41 on the bottom surface of the seat plate 4. The two front support arms 31 are symmetrically arranged left and right in the width direction of the vehicle body. The bottom end of the rear support arm 32 is also hinged to the first support 11 of the vehicle chassis 1, and the top end of the rear support arm 32 is hinged to the second support 41 on the bottom surface of the seat plate 4. The rear support arm 32 is located behind the front support arms 31 and parallel to the front support arms 31. Thus, the front support arms 31, the rear support arm 32, the first support 11 and the second support 41 form a parallelogram linkage mechanism b (see FIG. 8), and the first support 11 serves as a fixed support base. The driver 2 is a linear actuator, preferably a linear electric cylinder, and has a self-locking function (self-locking means that after the electric cylinder stops running, the actuator of the linear electric cylinder can stably maintain the current position unchanged). The front end of the driver 2 is hinged to the front support arm 31 or the rear support arm 32 of the main support arm assembly 3, and the bottom end of the driver 2 is installed on the vehicle chassis 1. Thus, the driver 2 can drive the parallelogram linkage mechanism b to move and adjust the pitch angle of the entire parallelogram linkage mechanism b. During movement, the front support arms 31 and the rear support arm 32 are always in parallel relationship. Since the first support 11 is a fixed support base, when the extension length of the driver 2 is in a set fixed state, the parallelogram linkage mechanism b is also in a stable support state (see FIG. 8). That is, the seat plate 4 is also in a stable support state (because the parallelogram linkage mechanism b is in a stable support state, the second support 41 is fixed in position, and since the second support 41 is fixedly connected to the seat plate 4, the seat plate 4 is also fixed in position). In addition, it should be noted that during movement of the parallelogram linkage mechanism b, the included angle between the seat plate 4 and the support arms changes, but the seat plate 4 is always in a horizontal state. Figure 5 Figure 5 Figure 5

[0038] ​​​The track 401 is arranged on the left and right sides of the seat plate 4 (i.e. a bent flange plate is arranged on the side of the seat plate 4, and a long hole in a strip shape is arranged on the flange plate along the front and back direction of the seat plate 4, thereby forming the track 401), the top end of the first auxiliary connecting rod 7 and the bottom end of the second auxiliary connecting rod 8 are slidably arranged on the track 401 through the first mounting shaft 71, and the bottom end of the first auxiliary connecting rod 7 is arranged on the rear support arm 32 of the main support arm assembly 3 through the second mounting shaft 72, so that the included angle between the seat plate 4 and the rear support arm 32 changes during the movement of the parallelogram linkage mechanism b, and the first mounting shaft 71 slides along the track 401 to adapt to the change of the included angle between the seat plate 4 and the rear support arm 32.

[0039] The top end of the second auxiliary connecting rod 8 is hingedly arranged on the backrest frame 5, the bottom of the backrest frame 5 is hingedly arranged on the side of the seat plate 4, and the bottom end of the second auxiliary connecting rod 8 is driven to move through the sliding of the first mounting shaft 71 along the track 401 during the movement of the parallelogram linkage mechanism b, so that the second auxiliary connecting rod 8 drives the backrest frame 5 connected thereto to move. Further, the backrest frame 5 has a U-shaped structure, and the backrest frame 5 comprises an outer shell and a framework arranged in the outer shell, the framework comprises two parallel straight segments 501 at the lower part and a U-shaped segment 502 at the upper part, the two ends of the U-shaped segment 502 correspond to the top ends of the two straight segments 501, and the included angle between the U-shaped segment 502 and the straight segments 501 is obtuse, and the U-shaped segment 502 is used to form a backrest.

[0040] The number of the armrest arms 6 is two, the tail of the armrest arm 6 is hingedly arranged on the backrest frame 5, and the third auxiliary connecting rod 9 is arranged between the armrest arm 6 and the seat plate 4 (i.e. the bottom end of the third auxiliary connecting rod 9 is hingedly arranged on the side of the seat plate 4, and the top end of the third auxiliary connecting rod 9 is hingedly arranged on the armrest arm 6. It should be noted that, Figure 3 the top end and the bottom end of the third auxiliary connecting rod 9 are arranged in the form of a hook, which can reduce the floor space occupied by the seat plate 4), so that the third auxiliary connecting rod 9, the armrest arm 6, the backrest frame 5 and the seat plate 4 form another parallelogram linkage mechanism e (see FIG. 4), which is driven and supported by the second auxiliary connecting rod 8. Figure 5

[0041] The working principle of the foldable structure will be described below:

[0042] ​The present application only uses one driver 2 as the folding power source. When unfolded, the driver 2 is elongated, and the driver 2 drives the parallelogram linkage mechanism b composed of the front support arm 31, the rear support arm 32, the first support 11 and the second support 41 to rise. Since the second support 41 is fixedly connected with the seat plate 4, the second support 41 synchronously drives the seat plate 4 to rise (the seat plate 4 is always in a horizontal state). During the rising of the parallelogram linkage mechanism b, the included angle between the rear support arm 32 and the seat plate 4 becomes larger, the first mounting shaft 71 slides forward along the track 401, so that the first auxiliary connecting rod 7 and the second auxiliary connecting rod 8 gradually stand up, and then the second auxiliary connecting rod 8 drives the parallelogram linkage mechanism e composed of the third auxiliary connecting rod 9, the armrest arm 6, the backrest frame 5 and the seat plate 4 to lift, that is, the lifting of the backrest frame 5 is realized. After the unfolding of the foldable structure is completed, as long as the length of the driver 2 remains unchanged, the entire foldable structure is in a stable support state. For details, see the following figure. Figure 5 The driver 2 is in a stable red triangle a state, the main support arm assembly 3 is in a stable state of the parallelogram linkage mechanism b on the basis of the stability of the driver 2, the seat plate 4 also maintains a stable state on the basis of the stability of the main support arm assembly 3, the first auxiliary connecting rod 7 is in a stable state of the triangle c on the basis of the stability of the seat plate 4 and the main support arm assembly 3, the second auxiliary connecting rod 8 is in a stable state of the triangle d on the basis of the stability of the seat plate 4 and the first auxiliary connecting rod 7, and the backrest frame 5 is in a stable state of the parallelogram linkage mechanism e on the basis of the stability of the seat plate 4 and the second auxiliary connecting rod 8.

[0043] When folding is needed, the driver 2 is retracted, and then the driver 2 drives the parallelogram linkage mechanism b composed of the front support arm 31, the rear support arm 32, the first support 11 and the second support 41 to descend. Since the second support 41 is fixedly connected with the seat plate 4, the second support 41 synchronously drives the seat plate 4 to descend (the seat plate 4 is always in a horizontal state). During the descent of the parallelogram linkage mechanism b, the included angle between the rear support arm 32 and the seat plate 4 becomes smaller, the first mounting shaft 71 slides backward along the track 401, so that the first auxiliary connecting rod 7 and the second auxiliary connecting rod 8 gradually flatten, and then the second auxiliary connecting rod 8 drives the parallelogram linkage mechanism e composed of the third auxiliary connecting rod 9, the armrest arm 6, the backrest frame 5 and the seat plate 4 to descend, that is, the descent of the backrest frame 5 is realized. Thus, the entire foldable structure is retracted and folded.

[0044] In order to ensure that the foldable structure can be fully retracted and folded, a groove 10 for accommodating the main support arm assembly 3 and the driver 2 is further arranged on the vehicle chassis 1 (specifically, a cover body is arranged on the upper part of the vehicle chassis 1, and the groove 10 is arranged on the cover body). When in the folded state, the main support arm assembly 3 and the driver 2 can be accommodated into the groove 10.

[0045] The vehicle chassis 1 has four wheels, including two front wheels and two rear wheels, preferably, the two rear wheels are connected with the motor respectively and controlled by the motor, and the two front wheels adopt the Mecanum wheel.

[0046] A front vertical pipe 15 is arranged at the front of the vehicle chassis 1, and the electronic handlebar control device 14 is rotatably arranged on the top of the front vertical pipe 15, and the electronic handlebar control device 14 is used to control the electric four-wheel vehicle. The electronic handlebar control device 14 includes a handle 141, a controller 142 and a display 143 arranged on the handle 141, and a digital gyroscope and an accelerometer are arranged in the controller 142. When the user holds the handle 141 to control the electronic handlebar control device 14 to rotate on the front vertical pipe 15, the digital gyroscope and the accelerometer also rotate, and the posture information of the electronic handlebar control device 14 during the turning is detected through the digital gyroscope and the accelerometer. The digital gyroscope and the accelerometer are electrically connected with the main controller of the electric four-wheel vehicle, the posture information of the electronic handlebar control device 14 is calculated in real time by the main controller according to the detection data of the digital gyroscope and the accelerometer (when calculating, the data fusion algorithm such as complementary filtering or Kalman filtering is needed, which is a conventional algorithm and will not be described here), and the corresponding turning action of the wheel motor is controlled according to the posture information of the electronic handlebar control device 14, so as to realize the turning of the vehicle body. In addition, necessary control buttons and speed adjusting levers are arranged on the controller 142, so as to realize the control of the electric four-wheel vehicle. The structure and function of the electronic handlebar control device 14 will be described in detail below with reference to the accompanying drawings. Figure 6 -Appendix Figure 8

[0047] ​As described above, the electronic handlebar control device 14 comprises a handlebar 141, a control device 142 and a display 143, in particular, the handlebar 141 adopts two U-shaped tubes arranged symmetrically, the display 143 is connected and installed at the front end of the two U-shaped tubes, and the control device 142 is connected and installed at the tail end of the two U-shaped tubes; the control device 142 comprises a control panel 421, a speed adjusting lever 422 and a control device mounting box 423, wherein the control panel 421 is installed on the upper layer of the control device mounting box 423, a plurality of control buttons are arranged on the control panel 421, preferably, the control buttons comprise a first speed gear control button 01 marked as "fast" (preferably, in the first speed gear, the speed is 10-12 kilometers per hour, which is equivalent to the speed of a low-speed bicycle), a second speed gear control button 02 marked as "slow" (preferably, in the second speed gear, the speed is 3-5 kilometers per hour, which is equivalent to the speed of walking), a volume increasing control button 03, a volume decreasing control button 04, a light control button 05, a horn button 06, a control button 07 for folding the foldable structure, a control button 08 for supporting the foldable structure, a forward gear control button 09 of the vehicle and a reverse gear control button 010 of the vehicle; the control device mounting box 423 is preferably an open-bottom box body, an installation plate 4231 is fixedly connected inside the control device mounting box 423 by a bolt, the speed adjusting lever 422 is rotatably installed on the installation plate 4231 by a rotating shaft, and the speed adjusting lever 422 is used to control the speed of the vehicle; an installation cylinder 4232 is also arranged on the installation plate 4231, the tail end of the handlebar 141 is fixedly connected to the cylinder wall of the installation cylinder 4232, and the installation cylinder 4232 is rotatably installed on the mounting bracket 151 at the top of the vehicle head vertical pipe 15 by a rotating assembly arranged in the cylinder thereof, so that the entire control device 142 as well as the handlebar 141 and the display 143 can rotate on the vehicle head vertical pipe 15. Further, a circuit board is also arranged in the control device mounting box 423, and the digital gyroscope and the accelerometer are arranged on the circuit board.

[0048] Further, referring to the accompanying drawings Figure 9 The bottom of the vehicle head vertical pipe 15 can be provided with a folding lock mechanism 17, so that the vehicle head vertical pipe 15 can be folded backward, and the folding lock mechanism is a prior art which will not be described here again, for example, the quick-release folding lock mechanism in the special CN201501483U can be adopted. Further, the vehicle head vertical pipe 15 can also be provided as a height-adjustable structure (i.e., the vehicle head vertical pipe 15 is divided into upper and lower two sections, the upper section is inserted into the lower section by a quick-release locking structure, and the height of the upper section can be quickly adjusted by the quick-release locking structure, which belongs to a conventional prior art), so that the appropriate height position of the electronic handlebar control device 14 can be adjusted.

[0049] For ease of description, spatially relative terms, such as "upper", "lower", "left", "right", "rear", "front", "rearward", "forward", "up", "down", "under", "above", "horizontal", "vertical", "top", "bottom", "lateral", "longitudinal", "front", "rear", "clockwise", "counter clockwise", "interior", "exterior", "radial", "peripheral", "axial", "toward", "away from" and the like, can be used herein for the purpose of illustration and description. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation, in addition to the orientations depicted in the figures. For example, if a device described herein is turned over, elements described as "under" or "beneath" other elements or features would then be oriented "over" or "above" the other elements or features. Thus, the exemplary term "under" can encompass both an orientation of over and under. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0050] Also, the terms "first", "second", and the like, do not necessarily have to have any actual meaning or significance, but are merely used to distinguish one element from another.

[0051] The foregoing description of the application has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the application to the precise form disclosed. Many modifications and variations are possible in light of this disclosure. It is intended that the scope of the application be limited not with this detailed description, but rather by the claims appended hereto.

Claims

1. An electric foldable four-wheeled vehicle with electronic handlebar control, characterized by: It includes a vehicle chassis, a foldable structure arranged on the vehicle chassis, and an electronic handlebar type control device; The foldable structure includes a driver, a main support arm assembly, a seat plate, a backrest frame, an armrest, a first auxiliary connecting rod, a second auxiliary connecting rod and a third auxiliary connecting rod, the main support arm assembly includes a front support arm and a rear support arm, the bottom end of the front support arm is hinged on the first support of the base, the top end of the front support arm is hinged on the second support on the bottom surface of the seat plate, and the two front support arms are symmetrically arranged on the left and right; the bottom end of the rear support arm is hinged on the first support, the top end of the rear support arm is hinged on the second support, the rear support arm is parallel to the front support arm, the front support arm, the rear support arm, the first support and the second support constitute a parallelogram linkage mechanism, and the seat plate is horizontally arranged; the front end of the driver is connected to the main support arm The front support arm or the rear support arm of the assembly is hinged, and the bottom end of the driver is mounted on the base; rails are provided on the left and right sides of the seat plate, the top end of the first auxiliary connecting rod and the bottom end of the second auxiliary connecting rod are slidably mounted on the rails through a first mounting shaft, and the bottom end of the first auxiliary connecting rod is mounted on the rear support arm of the main support arm assembly through a second mounting shaft; the top end of the second auxiliary connecting rod is hinged on the backrest frame, and the bottom of the backrest frame is hinged on the side of the seat plate; the tail end of the armrest arm is hinged on the backrest frame, and the third auxiliary connecting rod is connected between the armrest arm and the seat plate, and the third auxiliary connecting rod, the armrest arm, the backrest frame and the seat plate constitute another parallelogram linkage mechanism; A front riser is provided on the vehicle chassis, and the electronic handlebar-type control device is rotatably installed on the top of the front riser. The electronic handlebar-type control device includes a handle and a controller and a display installed on the handle. A digital gyroscope and an accelerometer are built into the controller; control buttons and a speed control lever are also provided on the controller.

2. The electric foldable electronic handlebar-controlled electric four-wheeled vehicle according to claim 1, characterized in that: The backrest frame is a U-shaped structure, which includes an outer shell and a frame arranged in the outer shell. The frame includes two parallel straight line segments at the bottom and a U-shaped segment at the top. The two ends of the U-shaped segment correspond to the top ends of the two straight line segments. The angle between the U-shaped segment and the straight line segment is an obtuse angle. The U-shaped segment is used to form a backrest to support the back of the human body.

3. The electric foldable electronic handlebar-controlled electric four-wheeled vehicle according to claim 1, characterized in that: A groove for accommodating the main support arm assembly and the driver is provided on the vehicle chassis. When in a folded state, the main support arm assembly and the driver can be stored in the groove.

4. The electric foldable electronic handlebar-controlled electric four-wheeled vehicle according to claim 1, characterized in that: The vehicle chassis is provided with four wheels, including two front wheels and two rear wheels. The two rear wheels are respectively connected to motors and controlled by the motors; the two front wheels are Mecanum wheels.

5. The electric foldable electronic handlebar-controlled electric four-wheeled vehicle according to claim 1, characterized in that: The driver adopts a linear electric cylinder with a self-locking function.

6. The electric foldable electronic handlebar-controlled electric four-wheeled vehicle according to claim 1, characterized in that: The handle is made of two U-shaped tubes arranged symmetrically on the left and right. The display is connected and installed at the front end of the two U-shaped tubes, and the controller is connected and installed at the tail end of the two U-shaped tubes; the controller includes a control panel, a speed control lever and a controller mounting box, wherein the control panel is installed on the upper layer of the controller mounting box, and multiple control buttons are set on the control panel.

7. The electric foldable electronic handlebar-controlled electric four-wheeled vehicle according to claim 6, characterized in that: The control buttons include: N speed gear control buttons, a volume increase control button, a volume decrease control button, a light control button, a horn button, a control button for controlling the folding of the foldable structure, a control button for controlling the support of the foldable structure, a forward gear control button and a reverse gear control button.

8. The electric foldable electronic handlebar-controlled electric four-wheeled vehicle according to claim 6, characterized in that: The controller mounting box is a box body with an opening at the bottom. A mounting plate is fixedly connected to the inside of the controller mounting box by bolts. The speed control lever is rotatably mounted on the mounting plate through a rotating shaft. The speed control lever is used to control the vehicle speed. A mounting cylinder is also provided on the mounting plate. The tail end of the handle is fixedly connected to the wall of the mounting cylinder, and the mounting cylinder is rotatably mounted on the mounting bracket at the top of the vehicle front riser through a rotating assembly provided inside the cylinder, thereby enabling the entire controller, handle and display to rotate synchronously on the vehicle front riser.

9. The electric foldable electronic handlebar-controlled electric four-wheeled vehicle according to claim 1, characterized in that: A folding lock mechanism is provided at the bottom of the front riser to enable the front riser to be folded backward.

10. The electric foldable electronic handlebar-controlled electric four-wheeled vehicle according to claim 9, characterized in that: The front riser is configured as a height-adjustable structure, so that the height position of the electronic handlebar-type control device can be adjusted.

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