CN210813846U

CN210813846U - Electric scooter

Info

Publication number: CN210813846U
Application number: CN201921077038.3U
Authority: CN
Inventors: 应佳伟; 梅健; 肖科平
Original assignee: Hangzhou Chic Intelligent Technology Co Ltd
Current assignee: Hangzhou Chic Intelligent Technology Co Ltd
Priority date: 2019-01-28
Filing date: 2019-07-10
Publication date: 2020-06-23
Anticipated expiration: 2029-07-10
Also published as: CN111481911A; CN111481912A; CN111481913A; CN210813847U

Abstract

The utility model relates to an electric scooter, which comprises a pedal platform and a wheel assembly arranged under the pedal platform, wherein the pedal platform comprises a support frame and a pedal part, and a stress sensing device is arranged between the support frame and the pedal part and is used for detecting stress information of a corresponding pedal area of the pedal part, and the stress information comprises pressure information; the control device is arranged on the pedal platform, is connected with the stress sensing device and is used for controlling the movement of the wheel assembly according to the detected stress information; and the power supply is arranged on the pedal platform and is electrically connected with the stress sensing device and the control device. The utility model discloses a set up atress sensing device between pedal platform's support frame and pedal part, changed traditional atress sensing device's mounting means, avoided wheel subassembly holding power and hung the influence of strength etc. to the skateboard surface, improved the sensitive accuracy of stabilizing of atress sensing device response.

Description

Electric scooter

Technical Field

The utility model relates to a scooter technical field especially relates to an electric scooter.

Background

Among the prior art, no pole electric skateboard moves ahead, the brake, retreat, control the state that generally adopts one or more sensor cooperation to detect the slide such as turn, then realize the aforesaid through the control of controller to the wheel and control, and the sensor that the scooter adopted, especially pressure sensor generally sets up between skateboard face and front and back wheel support, also there is the setting on the shaft support, do not need great change original skateboard face structural design like this, moreover, the steam generator is convenient to install additional, but such pressure sensor acquires user's motion gesture on the slide through the stress variation of sensing skateboard face, belong to indirect sensing, the skateboard face receives in addition wheel subassembly holding power and hangs influence such as strength and often can lead to the not sensitive accurate of pressure sensing.

The pressure sensor is also arranged below the pedal on the surface of the skateboard, but the structure is complex and high in cost, the installation of the pressure sensor is difficult, the sensitivity is easy to influence, and a proper skateboard structure is not available at present.

Patent No. CN201820707610.9 discloses an electric scooter, including slide, pulley, controller, brake, power and actuating motor, be provided with photoelectric switch on the slide, control the acceleration and the brake of slide through trampling photoelectric switch, can give the person of sliding with better slide experience, but photoelectric switch generally detects instantaneous state, be unfavorable for detecting the long-time state change process of slide, and this scooter does not explain the turn of whole car etc. and controls the process, all in a word, above-mentioned structure makes the control of whole car more complicated, and the precision is lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing an electric scooter who controls more nimble.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric scooter comprises a pedal platform and a wheel assembly arranged below the pedal platform, the pedal platform comprises a support frame and a pedal part,

the stress sensing device is arranged between the support frame and the pedal component and used for detecting stress information of a corresponding pedal area of the pedal component, and the stress information comprises pressure information;

the control device is arranged on the pedal platform, is connected with the stress sensing device and is used for controlling the wheel assembly to move according to the detected stress information;

and the power supply is arranged on the pedal platform and is electrically connected with the stress sensing device and the control device.

As a preferred scheme, the electric scooter includes first pedal platform and second pedal platform that mutual fixed connection, two pedal platform sharing a support frame, atress sensing device includes two at least pressure sensor, sets up respectively between the support frame of first pedal platform and the pedal part, and between the support frame of second pedal platform and the pedal part, controlling means is through making the difference with the pressure information that two pressure sensor of two pedal platforms detected the wheel subassembly.

Preferably, the force sensing device comprises a plate-shaped or sheet-shaped pressure sensor, and the pressure sensor comprises two end parts for sensing pressure information and a connecting part for connecting the two end parts, and the connecting part is fixed on the support frame or at the bottom of the pedal component.

Preferably, the front part and/or the rear part of the support frame is/are provided with a backing plate, and the stress sensing device is fixed on the backing plate.

Preferably, the force sensing device further comprises a gyroscope sensor for sensing inclination information of the foot platform, the force information further comprises inclination information detected by the gyroscope sensor, and the control device controls acceleration and deceleration of at least two rollers of the wheel assembly or rotates at different rotating speeds to realize turning according to the inclination information and the pressure information.

Preferably, the support frame is of an integrally formed tubular structure, the support frame is made of aluminum section bars, and the backing plate and the support frame are integrally formed or fixedly connected.

Preferably, the pedal platform further comprises an upper cover and a lower cover which are wrapped outside; the pedal part and the upper cover of the vehicle body are integrally formed, and the support frame and the lower cover are independently arranged or integrated.

Preferably, the middle portion of the upper cover is upwardly arched to form a middle receiving space therebelow, and the control device and/or the power supply are disposed in the middle receiving space and fixed to the support frame.

Preferably, the middle part of the lower cover protrudes downwards to form a lower accommodating space, the control device and/or the power supply are/is arranged in the lower accommodating space, and the lower cover is further provided with a line card.

As a preferred scheme, the front part of the pedal platform is provided with an anti-collision strip, two sides of the pedal platform are provided with lateral lamps, and the middle part of the pedal platform is also provided with a lamp post.

The utility model changes the installation mode of the traditional stress sensing device by arranging the stress sensing device between the supporting frame and the pedal part of the pedal platform, avoids the influence of the supporting force and the hanging force of the wheel assembly on the surface of the slide plate, improves the sensitivity, the stability and the accuracy of the induction of the stress sensing device, and has more flexible control; just the utility model discloses a controlling means basis pressure information control drive the acceleration or the deceleration of two at least gyro wheels of wheel subassembly, single type sensor requires lowerly to controlling means's throughput, further improves the response degree of slide.

Drawings

Fig. 1 is a schematic perspective view of an alternative embodiment of the present invention;

fig. 2 is a schematic side view of an alternative embodiment of the present invention;

fig. 3 is a schematic diagram of an alternative embodiment of the present invention in an exploded configuration;

fig. 4 is an exploded view of a rear wheel assembly according to an alternative embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of an alternative embodiment of the present invention;

FIG. 6 is a cross-sectional view A-A of FIG. 2;

FIG. 7 is a cross-sectional view B-B of FIG. 2;

fig. 8 is a schematic diagram of an alternative embodiment of the present invention in an exploded configuration.

Wherein the reference numerals are as follows:

an upper cover 1; an intermediate portion 101; a footrest part 102; a lower cover 2; a lower accommodation space 201; a line card 202; a front wheel assembly 3; a front wheel pressure base 301; a universal wheel assembly 302; a rear wheel assembly 4; a center pillar screw 401; a first bracket 402; a groove 403; a large bowl-shaped gasket 404; a first elastic member 405; a nut 406; a washer 407; a drive wheel 408; a second bracket 409; a small bowl-shaped gasket 410; the second elastic member 411; a lock nut 412; a support frame 5; a backing plate 6; a pressure sensor assembly 7; a control device 8; a power supply 9; a lamp post 10; a bumper strip 11; a side light 12.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," "retained," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model discloses an it is convenient to express to the horizontal direction parallel with electric scooter craspedodrome direction is the fore-and-aft direction, uses the horizontal direction perpendicular with electric scooter craspedodrome direction as controlling the direction, uses the vertical direction perpendicular with electric scooter craspedodrome direction as upper and lower direction.

The electric scooter shown in fig. 1 to 8 comprises a footrest platform including a support frame 5 and a footrest part 102, and a wheel assembly provided under the footrest platform,

the stress sensing device is arranged between the support frame 5 of the pedal platform and the pedal component 102 and is used for detecting stress information of a corresponding pedal area, and the stress information comprises pressure information; the foot rest part is positioned at the upper part of the supporting frame 5,

the control device 8 is arranged on the pedal platform, is connected with the stress sensing device and is used for controlling the wheel assembly to move according to the detected stress information;

and the power supply 9 is arranged on the pedal platform and is electrically connected with the stress sensing device and the control device 8.

Set up atress sensing device between pedal platform's support frame and pedal part, the user stands on pedal part, exert pressure to pedal part and cause pedal part's motion or deformation, and then make atress sensing device sensing to pressure information, wheel subassembly is located pedal platform below simultaneously, be located the below of support frame promptly, wheel subassembly can not lead to the fact the influence to atress sensing device by the power that suspension transmitted for the support frame when the motion to the holding power of support frame and wheel subassembly, the event makes atress sensing device work more stable, the accuracy of atress sensing device response has been improved, and then the sensitivity of electric scooter control has been improved.

The electric scooter comprises a first pedal platform and a second pedal platform which are fixedly connected with each other, the first pedal platform and the second pedal platform can be considered as being fixedly connected with each other without relative position change, in the embodiment, the first pedal platform and the second pedal platform are integrally formed and share a support frame, in order to enable the motion posture sensing of a user on the electric scooter to be more accurate, at least two stress sensing devices are arranged between the support frame 5 and the pedal part of the first pedal platform at the front part and the second pedal platform at the rear part respectively, the control device receives pressure information detected by the two stress sensing devices of the first pedal platform and the second pedal platform and then makes a difference value for the two pressure information to control the motion of the wheel assembly, for example, when the pressure value corresponding to the pressure information at the front part of the pedal platform is larger than the pressure value corresponding to the pressure information at the rear part of the pedal platform, that is, the difference between the two pressure information is greater than 0, the wheel assembly is accelerated, otherwise, the wheel assembly is decelerated.

The stress sensing device is a plate-shaped or sheet-shaped pressure sensor 7, the pressure sensor 7 comprises two end parts for sensing pressure information and a connecting part for connecting the two end parts, and the connecting part is fixed on the support frame 5 or at the bottom of the pedal part.

In one example, the first foot platform at the front includes a first pressure sensor including a first end and a second end, and the first foot platform at the rear includes a second pressure sensor including a third end and a fourth end. The first end part and the second end part are respectively used for sensing front pressure and rear pressure of the front foot, the third end part and the fourth end part are respectively used for sensing front pressure and rear pressure of the rear foot, the controller is used for controlling the running state of the scooter according to a first difference value of the front pressure and the rear pressure of the front foot as pressure information of the first pedal platform and a second difference value of the front pressure and the rear pressure of the rear foot as pressure information of the second pedal platform, and the difference value between the two pieces of pressure information (namely the first difference value and the second difference value) comprises turning, accelerating or decelerating.

In this example, the operation of the scooter is controlled according to the small change in the front and rear foot pressures, and the operation mode of the non-manual control and the non-leg control can be realized, and the control sensitivity is improved.

The first end portion and the second end portion may be arranged in parallel in the left-right direction or in the front-rear direction, and the third end portion and the fourth end portion may be arranged in parallel in the left-right direction or in the front-rear direction. The device can adapt to different standing postures of users, and improves the accuracy of control. Specifically, the connecting parts of the two pressure sensors 7 are respectively fixed on the backing plates 6 arranged at the front part and the rear part of the support frame 5, the two end parts of the pressure sensors 7 exceed the left end and the right end of the backing plates and are at least partially suspended, and the positions of the bottom of the upper cover corresponding to the left end part and the right end part of the pressure sensors 7 can be provided with the pressing parts which are used for being abutted to the pressure sensors 7 to transfer pressure. Thus, the left end and the right end can respectively sense different pressure information according to different forces of the front foot and the rear foot, namely, the two ends of each sensor of the front sensor and the rear sensor are equivalent to two sensing areas or equivalent to two sub-sensors, and at the moment, the two sub-sensors in different positions are equivalent to respectively test different forces of the front sole and the rear sole of the front foot or the rear foot and the heel of the rear foot.

In other embodiments, each pressure sensor can also be configured to sense a small deformation or displacement of the footrest member relative to the support frame as a whole (i.e., the entire pressure sensor is a sensing area). In other embodiments, each pressure sensor may have only one sensing region, or more than two sensing regions.

As shown in fig. 3, 6 and 7, the front and the back of the foot platform are provided with the pressure sensors, and each pressure sensor has two sensing areas, namely, the pressure sensors are distributed at the left and the right sides of the lower part of the foot platform and approximately correspond to the positions of the front sole and the rear heel, so that the force of the user can be accurately detected by the pressure sensors no matter the user uses the sole or the heel to exert force, the detection area of the pressure sensors is wider, the pressure sensors are more consistent with the common posture of the user, and the defect that the operation is not sensitive enough or even cannot be triggered because the user does not exert force in the sensing areas is overcome.

In other embodiments, the pressure applying portion may be one or more of a block, a bar, a bump, a column, a cone, and other shapes that can transmit a force.

The above-mentioned supporting frame 5 may be a structure as shown in fig. 3, or may be a structure as shown in fig. 8; in an alternative embodiment shown in fig. 3, the support frame 5 is an integrally formed tubular structure, which makes the vehicle body more stable; in other embodiments, the supporting frame may be an integrally formed plate-shaped structure, a rod-shaped structure, a tubular structure, a block-shaped structure, a cylindrical structure, or a cover structure, or may be a structure that is directly fixed or indirectly fixed and connected into a whole after being formed separately, and the supporting frame may be hidden inside the pedal platform, or may be wholly or partially exposed outside the pedal platform, for example, a lower cover of the pedal platform is used as the supporting frame, that is, the supporting frame 5 and the lower cover 2 shown in fig. 8 are integrated, or a part of the supporting frame is exposed out of an upper cover or a lower cover of the pedal platform.

Above-mentioned support frame for the automobile body bearing reduces to some extent to the intensity requirement of upper cover and lower cover like this, and is also convenient for design into upper cover, support frame and lower cover three layer construction with original holistic pedal platform structure, and is with low costs, the part installation of being convenient for.

In the embodiment, the support frame 5 is made of aluminum section, so that the cost is low and the processing is convenient.

The support frame is preferably made of metal. The metal material rigidity support performance is good, not only can install each part fixed to can effectively ensure the power explosion-proof, improve the security. The metal material is preferably an aluminum material.

In other embodiments, all or part of the support frame may be a rigid component made of metal, or may be made of non-metallic materials with certain rigidity, such as wood, plate, rigid plastic, etc. The support frame may be formed in one step, or may be formed through multiple processes, such as turning, milling, grinding, drawing, welding, and the like.

In order to facilitate the improvement of the supporting effect of the supporting frame 5 and the installation of the stress sensing device, the supporting frame 5 is provided with a backing plate 6 relative to the front part and/or the rear part of the electric scooter, and the stress sensing device is fixed on the backing plate 6. The backing plate 6 is integrally formed with the support frame 5 or is directly fixedly connected or indirectly fixedly connected via other rigid components.

The pedal platform also comprises an upper cover 1 and a lower cover 2 which are wrapped outside the support frame for the purposes of decoration and covering and protecting internal parts; the pedal part is a plastic piece which is integrally formed with the upper cover 1 of the vehicle body, and the support frame 5 and the lower cover 2 are independently arranged or integrated;

when the support frame 5 and the lower cover 2 are independently arranged, the upper cover 1 is an integrally formed plastic piece, and includes a front pedal part 102 and a rear pedal part 102, and the two pedal parts 102 are connected through a middle part 101. The upper cover 1 is fixed on the support frame 5, and the lower cover 2 is fixedly connected with the upper cover 1; or the upper cover 1 and the lower cover 2 are respectively fixedly connected with the support frame 5.

The lower cover 2 of the vehicle body is an integrally formed plastic piece, the lower cover 2 is fixed below the support frame 5, the upper cover 1 is fixedly connected with the lower cover 2, and the power supply 9 is arranged between the support frame 5 and the lower cover 2, or the power supply 9 is arranged between the support frame 5 and the upper cover 1; the control device 8 is installed between the support frame 5 and the lower cover 2, or the control device 8 is installed between the support frame 5 and the upper cover 2.

In a preferred embodiment, the middle part 101 of the upper cover 1 is arched upwards so that an intermediate accommodation space is formed below the middle part 101, in which the control device 8 is accommodated and fixed above the support frame 5. The middle of the lower cover 2 protrudes downward to form a lower receiving space 201, and the power supply 9 is fixed in the lower receiving space 201 of the lower cover 2, and a wire clip 202 is further provided on the lower cover 2. Therefore, the structure is simple and reasonable, the assembly of each part is convenient, and the wiring debugging is also convenient.

When the support 5 is integrated with the lower cover 2, as shown in fig. 8, the lower cover does not have a separate part of the skeleton type that is clearly visible, so that the function of the above-mentioned support is performed by the lower cover, or by a rigid support part in the lower cover. The lower cover is integrally formed by metal or other materials with certain supporting rigidity. At this time, the power supply 9 and the control device 8 are installed between the upper cover 1 and the lower cover 2.

In another embodiment, a plurality of rigid reinforcing members are provided in the lower cover, so that the lower cover includes a main frame portion for vehicle body load bearing and an appearance portion exposed to the outer surface of the vehicle body. The main frame part and the appearance part can be integrally formed by the same material, such as a metal material, or can be integrally formed by one-time forming, multiple forming or split assembling by adopting different materials, for example, one or more appearance parts are fixed on part or all of the exposed surface of the metal main frame part by bonding, clamping, sleeving, riveting, compounding or fastening pieces, and the appearance parts can be made of various materials such as metal, plastic, rubber or wood. Therefore, the manufacturing cost can be saved, the appearance is diversified, and the defects of high requirements on the surface processing technology of the metal material, high cost, single appearance and the like are avoided.

The utility model discloses in, adopt independent inside support frame or the support frame that fuses as an organic whole with the lower cover, the upper cover no longer is as bearing member, and automobile body upper cover just can be made by materials that cost such as plastics material is lower, light in weight, decorative effect are better, has optimized the product structure, has reduced product manufacturing cost.

The upper surface of the pedal component is stuck with an anti-slip patch or an anti-slip foot pad. The pedal part is a pedal part which is connected with the upper cover 1 of the vehicle body into a whole. Thus, the installation or replacement is convenient and the cost is low.

In other embodiments, the step part may be provided with an anti-slip structure (e.g., anti-slip pattern) or an anti-slip part by molding, covering, assembling, or the like. The anti-skid component (such as an anti-skid sticker or an anti-skid foot pad) can be made of soft rubber or other materials, so that the wear resistance and the friction force of the pedal component can be increased, the use comfort of a user can be improved, and a better waterproof and dustproof effect is achieved.

The front part of the pedal platform is provided with an anti-collision strip 11, the anti-collision strip 11 is embedded between the upper cover and the lower cover, and when the electric scooter rushes forwards due to inertia and collides, the anti-collision strip 11 can play a role in buffering to protect the electric scooter from being damaged; the lateral lamps 12 are arranged on the two sides of the pedal platform, and the lateral lamps 12 are also embedded between the upper cover and the lower cover, so that the installation is convenient; and a lamp post 10 is also arranged in the middle of the pedal platform. The lamp post 10 is fixed and electrically connected with the control device 8, a through hole is arranged on the pedal platform, and the upper part of the lamp post 10 is embedded into the through hole. Side direction lamp and lamp pole homoenergetic show electric scooter's state, and the lamp pole inlays to be established at pedal platform middle part, and pedal platform middle part is the middle part that upwards arches, is difficult for trampling, better protection set up in inside electric component and lamp pole, and life is longer.

The wheel assembly comprises a first wheel assembly 3 and a second wheel assembly 4, the first wheel assembly 3 is a universal wheel, the universal wheel is arranged below the front part of the first pedal platform, and the second wheel assembly 4 is a driving wheel; the driving wheel is arranged below the rear part of the second pedal platform.

As shown in fig. 5 and 6, the first wheel assembly 3 includes a front wheel holder 301 and a universal wheel assembly 302, a rotating shaft of the universal wheel assembly 302 penetrates through the lower cover 2 and is inserted into the supporting frame 5, and the universal wheel assembly 302 is fixed on the lower cover 2 through the front wheel holder 301.

As shown in fig. 4, the second wheel assembly 4 includes two driving wheels 408, and a wheel frame connected to the at least two driving wheels 408, the driving wheels 408 are fixed at left and right ends of the wheel frame through nuts 406 and washers 407, and a wheel hub motor is disposed in the driving wheels 408, and the wheel frame includes:

a first bracket 402 fixedly connected with the lower part of the lower cover 2 and having a first limit part;

a second bracket 409 connected with the at least two driving wheels 408 and having a second limit portion, the first limit portion and the second limit portion being adapted to each other for limiting the relative swing of the first bracket 402 with respect to the second bracket 409;

a connecting member for connecting the first bracket 402 and the second bracket 409, wherein at least one movable connection part is movably connected, and a movable space is arranged between the first bracket 402 and the second bracket 409;

at least one elastic member, such as 405 shown in fig. 4, disposed in the movable space between the first bracket 402 and the second bracket 409, has a self-resetting property, and can be restored to a home position after the first bracket 402 and the second bracket 409 are relatively moved.

Specifically, the connecting member includes a center pillar screw 401 as shown in fig. 4, the number of the elastic members may be two, such as elastic members 405 and 411 sleeved on a screw rod of the bolt, and the second wheel assembly structure may be described as follows: two driving wheels 408 are fixed on the left and right of the second bracket 409, the second bracket 409 is provided with a second limiting part and a protruding shaft, the head of the protruding shaft pushes a third elastic member to be tightly pressed against a certain point on the first bracket 402, the point is a first limiting part and a groove 403 of the first bracket 402, and the first limiting part and the second limiting part are matched and used for limiting the relative swing of the second bracket 409 and the first bracket 402; meanwhile, the second bracket 409 is pressed against the first bracket 402 by the first elastic member 405 and the second elastic member 411 in front and at back, in other words, the bolt can sequentially pass through the first through hole of the first bracket 402, the first elastic member 405, the second through hole of the second bracket 409 and the second elastic member 411 to be screwed with the lock nut 412, only one of the first elastic member 405 and the second elastic member 411 can be reserved, at least part of the first elastic member 405 or the second elastic member 411 is arranged in the through hole of the second bracket 202, a large bowl-shaped gasket 404 is arranged between the first elastic member 405 and the first bracket 402, and a small bowl-shaped gasket 410 is arranged between the second elastic member 411 and the second bracket 409.

In the above alternative embodiment, the second wheel assembly is fixed under the lower cover, and the second wheel assembly has an adjustable self-resettability when the footrest platform is tilted. Specifically, when the first bracket 402 rotates or swings with respect to the second bracket 409 about the vehicle body forward direction, the screw can press the elastic member, and the elastic member can restore the first bracket and the second bracket from the swing position to the original position due to the elastic member having a certain elasticity and the property of automatic restoration. The elastic member and the connecting member are preferably, but not limited to, the connecting member may be formed by replacing a bolt and a nut with other structures capable of limiting and fixing the first bracket and the second bracket.

So set up, can realize control and trample pedal platform, control its inclination and realize the turn to the universal wheel of cooperation front wheel, turning radius is less, can be more freely when making to ride passerby and turning.

The utility model discloses a stress device is still including being used for the sensing the inclination information gyroscope sensor of pedal platform, the inclination information that the stress information still includes gyroscope sensor detection, controlling means 8 rotates with different rotational speeds according to two drive wheels 408 of inclination information control drive second wheel subassembly 4 and realizes the turn, specifically turns to the process as follows: the user stands and inclines about the human focus and makes pedal platform about the slope when needing to turn on pedal platform, detects pedal platform inclination angle time control board device control two drive wheel 408 rotational speeds through the gyroscope sensor that sets up below pedal platform and realizes the differential turn differently, and preceding universal wheel still turns passively, can reduce turning radius like this, improves the practicality. And the front universal wheel can change the driving angle to realize steering after being inclined.

The control device 8 is also used for controlling the acceleration or deceleration of the two driving wheels 408 driving the second wheel assembly 4 according to the pressure information provided by the two pressure sensors 7. The specific acceleration and deceleration process is as follows: the acceleration and deceleration are controlled by comparing pressure values corresponding to the pressure information of the front foot and the pressure information of the rear foot detected by pressure sensors arranged at the front position and the rear position with reference values.

The speed control process for ascending and descending is as follows: the riding body feeling during ascending or descending is optimized by detecting the front and rear angles of the gyroscope, the difference value of the front and rear pressure information during ascending is reduced, the difference value of the front and rear pressure information during descending is increased, and the function of assisting in descending and slowly descending during ascending is realized.

It should be noted that the above embodiments are merely representative examples of the present invention. The utility model can also have a plurality of deformations. Any simple modification, equivalent changes and modifications made to the above embodiments according to the essence of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. Electric scooter, its characterized in that: comprises a pedal platform and a wheel assembly arranged below the pedal platform, the pedal platform comprises a support frame (5) and a pedal part (102),

the stress sensing device is arranged between the support frame (5) and the pedal component (102) and used for detecting stress information of a corresponding pedal area of the pedal component (102), and the stress information comprises pressure information;

the control device (8) is arranged on the pedal platform, is connected with the stress sensing device and is used for controlling the wheel assembly to move according to the detected stress information;

and the power supply (9) is arranged on the pedal platform and is electrically connected with the stress sensing device and the control device (8).

2. The electric scooter according to claim 1, wherein the electric scooter comprises a first and a second foot platform fixedly connected to each other, the two foot platforms share a support (5), the force sensing device comprises at least two pressure sensors (7) respectively disposed between the support (5) and the foot member (102) of the first foot platform and between the support (5) and the foot member (102) of the second foot platform, and the control device (8) controls the wheel assembly by differentiating pressure information detected by the two pressure sensors (7) of the two foot platforms.

3. The electric scooter of claim 1, wherein the force sensing device comprises a plate-shaped or sheet-shaped pressure sensor (7), and the pressure sensor (7) comprises two ends for sensing pressure information and a connecting portion connecting the two ends, the connecting portion being fixed on the support frame (5) or at the bottom of the pedal member (102).

4. The electric scooter of claim 1, wherein the support frame (5) is provided with a pad (6) at the front and/or rear portion, and the force sensing device is fixed on the pad (6).

5. The electric scooter of claim 1, wherein the force sensing device further comprises a gyroscope sensor for sensing inclination information of the footrest platform, the force information further comprises inclination information detected by the gyroscope sensor, and the control device (8) controls acceleration, deceleration or rotation at different speeds of at least two rollers driving the wheel assembly to realize turning according to the inclination information and the pressure information.

6. The electric scooter of claim 4, wherein the supporting frame (5) is an integrally formed tubular structure, the supporting frame (5) is made of aluminum section, and the backing plate (6) is integrally formed with or fixedly connected to the supporting frame (5).

7. The electric scooter of claim 1, wherein the footrest platform further comprises an upper cover (1) and a lower cover (2) wrapped around the outside; the pedal component (102) and the upper cover (1) of the vehicle body are integrally formed, and the support frame (5) and the lower cover (2) are independently arranged or integrated.

8. The electric scooter according to claim 7, wherein the intermediate portion (101) of the upper cover (1) is upwardly arched to form an intermediate accommodation space thereunder, and the control device (8) and/or the power source (9) are disposed in the intermediate accommodation space and fixed on the support frame (5).

9. The electric scooter according to claim 7, wherein the lower cover (2) has a middle portion protruding downward to form a lower receiving space (201), the control device (8) and/or the power supply (9) are provided in the lower receiving space (201), and a line clip (202) is further provided on the lower cover (2).

10. The electric scooter of claim 1, wherein the front part of the foot platform is provided with an anti-collision strip (11), the two sides of the foot platform are provided with side lights (12), and the middle part of the foot platform is further provided with a light post (10).