CN211969648U - Pedal structure and balance car thereof - Google Patents

Abstract

The utility model discloses a footboard structure and balance car thereof, wherein, the footboard structure includes the footboard, still includes axis of rotation and elastic component, and wherein, the footboard includes crimping portion, and crimping portion's arch sets up in the axis both sides of axis of rotation, and elastic component and crimping portion contact set up, and crimping portion follows the rotation and makes when the footboard revolutes the axis of rotation protruding extrusion elastic component, elastic deformation take place for the elastic component, and the elastic component configures into the motion trend that makes axis of rotation and footboard reset. Its advantage lies in, the utility model discloses a footboard structure sets up the elastic component near the axis of rotation, and the same nevertheless elastic component's of turned angle deformation is littleer, avoids the too big problem untimely and the not enough problem of resilience volume that leads to of elastic component deformation, and the mounting means is simpler.

Description

Pedal structure and balance car thereof

Technical Field

The utility model relates to a balance car technical field especially relates to a footboard structure and balance car thereof.

Background

The electric balance car is also called a body sensing car, a thinking car and the like. The market mainly comprises a single wheel and two wheels. The operating principle is mainly based on a basic principle called dynamic balance. The electrodynamic balance side judges the posture state of the vehicle body by using a gyroscope and an acceleration sensor inside the vehicle body based on the principle of dynamic stability, calculates an appropriate command by a precise and high-speed central microprocessor, drives a motor to adjust the posture, and keeps the balance of the system.

The balance car is controlled by the rotation and rebound of the pedal. But the rotation of present footboard and resilience thereof, the structure is complicated, and the installation effectiveness is low, and the resilience effect is poor after rotating.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the objects of the present invention is to provide a pedal structure.

The second objective of the present invention is to provide a balance car, which adopts the above pedal structure.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

a pedal structure comprises a pedal, a rotating shaft and an elastic piece, wherein the pedal comprises a crimping part, the crimping part comprises protrusions, and the two protrusions are arranged on two sides of the axis of the rotating shaft; the elastic piece is arranged in contact with the crimping part; when the pedal rotates around the rotating shaft, the press-connection part rotates along with the rotating shaft, the bulge extrudes the elastic part, the elastic part is elastically deformed, and the elastic part is configured to enable the pedal to have a reset movement trend.

Preferably, the press-contact part is arranged on the axis of the rotating shaft, the press-contact part comprises at least two bulges, the two bulges are symmetrically arranged about the axis of the rotating shaft, the press-contact part comprises a transition part, the two bulges are respectively positioned at two sides of the transition part, and the elastic part is contacted with the transition part when the pedal is in an initial state; when the pedal rotates, the bulge extrudes the elastic piece, so that the elastic piece generates elastic deformation.

Preferably, the pedal comprises two crimping parts, the crimping parts are arranged on two sides of the axis of the rotating shaft, each crimping part comprises a protrusion, the two protrusions are symmetrically arranged relative to the axis of the rotating shaft, the protrusions are in contact with the elastic part, and when the pedal rotates, the protrusions press the elastic part to enable the elastic part to be elastically deformed.

Preferably, the crimping portion is trapezoidal or oval or square.

Preferably, the elastic piece is a straight elastic piece.

The second purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a balance car, its characterized in that includes casing, wheel, power and control module, still includes foretell footboard structure, the footboard structure sets up on the casing, control module with the power is located in the casing, the power with control module connects, control module includes control circuit board, the footboard structure with control circuit board linkage cooperation, the basis the rotation output signal of footboard is in order to control the motor of wheel rotates.

Preferably, a circuit board fixing frame used for fixing the control circuit board is arranged below the pedal, and the circuit board fixing frame rotates along with the pedal to enable the gyroscope on the control circuit board to control the motor to rotate according to a rotation output signal.

Preferably, the control circuit board is provided with a photoelectric switch, the pedal is provided with a first photoelectric switch hole, the circuit board fixing frame is provided with a second photoelectric switch hole, and the first photoelectric switch hole and the second photoelectric switch hole are both arranged corresponding to the photoelectric switch; the upper surface of the circuit board fixing frame is provided with a limiting block, a buckling hole is formed in the position corresponding to the pedal, and the limiting block is correspondingly buckled with the buckling hole to limit the circuit board fixing frame; the lower surface of the circuit board fixing frame is provided with a shaft groove used for penetrating through the rotating shaft, so that the circuit board fixing frame rotates around the rotating shaft along with the pedal.

Preferably, the control circuit board is fixedly connected with the lower surface of the pedal; the rotating shaft penetrates through the pedal and is arranged between the control circuit board and the pedal; the control circuit board is provided with a photoelectric switch, and the pedal is provided with a first photoelectric switch hole corresponding to the photoelectric switch.

Preferably, rotating shaft holes are formed in two sides of the bottom of the pedal, the rotating shaft is positioned in the rotating shaft holes and penetrates through the pedal, and positioning mechanisms for positioning the rotating shaft are arranged at two ends of the rotating shaft; the positioning mechanism comprises a first rotating shaft groove, a second rotating shaft groove and a pressing sheet, wherein the first rotating shaft groove and the second rotating shaft groove are positioned on the inner side of the shell, the pressing sheet is positioned below the rotating shaft, the first rotating shaft groove and the second rotating shaft groove are oppositely arranged, and the second rotating shaft groove is close to the middle part of the shell; the pressing piece is arranged corresponding to the second rotating shaft groove, and one end of the rotating shaft is pressed in the second rotating shaft groove.

Preferably, the casing includes epitheca and inferior valve, the footboard upper cover is equipped with steps on the skin, have the confession on the epitheca the footboard with the through-hole that the skin passed is stepped on, the elastic component is located the top of crimping portion, the inboard of epitheca is equipped with fixedly the mounting groove of elastic component, be equipped with sunkenly in the mounting groove, sunken position with protruding with the contact position of elastic component corresponds, makes the elastic component has the deformation space.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a footboard structure sets up the arch of crimping portion in the both sides of the axis of rotation, and makes crimping portion rotate around the axis of rotation along with the footboard, then extrudees the elastic component, and the elastic component produces elastic deformation in real time, and after the footboard no longer exerts force, the elasticity of elastic component makes footboard and crimping portion reset; for current structure that sets up the elastic component respectively in a footboard both ends below, the utility model discloses a footboard structure sets up the elastic component near the axis of rotation, and the same but the deformation of elastic component of turned angle is littleer, avoids the too big problem untimely and the not enough problem of resilience volume of kick-backing that leads to of elastic component deformation, and the mounting means is simpler, and compact structure saves space. And the balance car of this footboard structure has been used, and the footboard passes through the axis of rotation and rotates, produces and controls the signal, makes the balance car operation, and the elastic component is compressed deformation by the crimping portion of footboard this moment, and when trampling the signal disappearance, the elastic component kick-backs fast for the initial position is got back to the footboard, guarantees the normal operating of balance car, prevents to produce the balance car problem of being out of control that kick-backs untimely and the volume of kick-backing is not enough to lead to.

Drawings

Fig. 1 is a schematic structural diagram of a pedal structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a pedal according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a circuit board fixing frame according to an embodiment of the present invention;

fig. 4 is an exploded schematic view of the balance car according to the embodiment of the present invention;

fig. 5 is a schematic sectional structure view of the balance car according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of the upper case and its internal components according to an embodiment of the present invention.

In the figure: 10. a pedal; 11. a crimping part; 111. a protrusion; 112. a transition section; 12. a snap-in hole; 13. treading the leather; 14. a rotating shaft hole; 15. a first photoelectric switch hole; 20. an elastic member; 30. a control circuit board; 31. a photoelectric switch; 32. a circuit board fixing frame; 321. a limiting block; 322. connecting columns; 323. a second photoelectric switch hole; 324. a shaft groove; 40. an upper shell; 41. a through hole; 42. a first base; 421. a motor shaft slot; 422. a first shaft groove; 43. a second base; 431. a second rotary shaft groove; 44. a fender; 45. mounting grooves; 451. recessing; 46. tabletting; 50. a wheel; 51. a motor shaft; 52. motor tabletting; 60. and rotating the shaft.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, and it is to be understood that the following description of the present invention is made only by way of illustration and not by way of limitation with reference to the accompanying drawings. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

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

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1 to 6, the utility model discloses a footboard structure and balance car thereof will be clarified in the following description, wherein, with the protruding both sides of setting at the axis of rotation of crimping portion, make the elastic component deformation that corresponds with it less, kick-back faster, respond more in a flexible way, avoid appearing the untimely and balance car out of control problem that the resilience volume is not enough to lead to of kick-back.

As shown in fig. 1 to 3, a pedal structure includes a pedal 10, and further includes a rotation shaft and an elastic member 20, wherein the pedal 10 includes a press-contact portion 11, the press-contact portion includes protrusions, two protrusions are disposed on two sides of an axis of the rotation shaft 60, the elastic member 20 is disposed adjacent to the press-contact portion 11, when the pedal 10 rotates around the rotation shaft 60, the press-contact portion 11 rotates along with the rotation, and one of the protrusions presses the elastic member 20, so that the elastic member 20 is elastically deformed, and the elastic member 20 is configured to have a movement tendency of resetting the pedal 10.

In some embodiments, the elastic member 20 is disposed above the press-fitting portion 11, when the pedal 10 rotates, the press-fitting portion 11 rotates simultaneously, one of the protrusions presses the elastic member 20 upwards to make it elastically deform for storing force, and then rebounds when the pedal 10 is no longer stressed, so as to drive the pedal 10 to reset, at this time, the rotation angle of the press-fitting portion 11 is consistent with that of the pedal 10, and because the press-fitting portion 11 is disposed on the axis of the rotation shaft 60, the deformation portion of the elastic member 20 is also close to the rotation shaft 60, therefore, the deformation of the elastic member 20 is small, and the elastic member can rebound quickly. In other embodiments, the elastic member 20 may be disposed at other positions of the crimping part 11, such as at the lower end of the crimping part 11, or at the side of the crimping part 11, as long as the protrusion 111 on the crimping part 11 can press the elastic member 20 to deform it.

It is worth noting that two bulges positioned at both sides of the axis of the rotating shaft can be symmetrically arranged and asymmetrically arranged about the axis, and the protection scope of the utility model discloses a below describe two bulges about the symmetrical condition of the axis, and of course, under some circumstances, the bulges of the following embodiments are replaced from the symmetrical setting to the asymmetrical setting without affecting the normal implementation of the embodiments, and the protection scope of the utility model also belongs to this kind of condition. Preferably, the protrusions are symmetrically arranged along the axis, so that the pedal has the function of rebounding when rotating in different directions on one hand, and the acting force of a human body when pedaling in different directions is the same on the other hand.

In some embodiments, one side of a pedal has two of the press-contact portions, the press-contact portions are disposed on both sides of an axis of the rotating shaft, each of the press-contact portions includes a protrusion, the two protrusions are symmetrically disposed about the axis of the rotating shaft, the protrusion is always in contact with the elastic member, and when the pedal rotates, the press-contact portion rotates along with the pedal, the protrusion presses the elastic member, and the elastic member is elastically deformed. The contact described in the utility model comprises the contact of the crimping part and the elastic part, namely surface-to-surface contact, point-to-point contact and the like; this contact sets up the state when having people or thing on the footboard, namely, when standing someone and footboard on the footboard and keeping the level, the arch and the elastic component contact of the crimping portion of footboard, when nobody on the footboard, the arch of the crimping portion of footboard can laminate with the elastic component, also can clearance fit, this kind of form also belongs to the utility model discloses a protection scope.

In other embodiments, only one press-contact portion is arranged on one side of a pedal and is arranged on the axis of the rotating shaft, at this time, two protrusions are arranged on one press-contact portion and are symmetrically arranged about the axis of the rotating shaft, in order to enable the press-contact portion 11 to have a state of pressing the elastic member 20 and a state of not pressing the elastic member 20, the press-contact portion 11 is polygonal or in other non-circular shapes, the transition portion 112 is used for not pressing the elastic member 20 when the pedal 10 and the press-contact portion 11 are in the initial horizontal position and only contacting with the elastic member, at this time, the elastic member is not deformed, and the function is used for enabling the pedal not to be loosened or shaken in the normal state, and the use experience is improved. It should be noted that the contact described in the present invention includes the case where the crimping portion is in surface-to-surface contact with the elastic member, and the case where the point is in surface-to-surface contact, or the case where the point is in point-to-point contact; this contact sets up the state when having people or thing on the footboard, namely, when standing someone and footboard on the footboard and keeping horizontal, the transition portion and the elastic component contact of the crimping portion of footboard, when nobody on the footboard, the transition portion of the crimping portion of footboard can laminate with the elastic component, also can clearance fit, this kind of form also belongs to the utility model discloses a protection scope.

The protrusions 111 are located at both sides of the transition portion 112, and when the pedal 10 rotates back and forth, the protrusions 111 at the corresponding side press the elastic member 20. When the pedal 10 is in the initial state, the elastic member 20 contacts the transition portion 112, the protrusion 111 may be configured to contact with the elastic member 20, or may be separated from the elastic member 20, and the elastic member 20 is not deformed; when the pedal 10 is rotated, the protrusion 111 approaches and presses the elastic member 20, so that the elastic member 20 is elastically deformed. The transition part has various shapes, including a transition surface, a transition point or a transition line, when the crimping part is in a square or trapezoid or other planar structure, the transition part is the transition surface, and at the moment, the transition part is in surface contact with the elastic part; when the crimping part is in an oval or other cambered surface structure, the transition part is a transition line, and at the moment, the transition part is in line contact with the elastic part; when the press-connection part comprises a tip structure such as a spherical surface or a conical surface, the transition part is a transition point, and at this time, the transition part is in point contact with the elastic part. The press-connection part and the elastic part need long-term contact friction, so the press-connection part is made of wear-resistant metal or wear-resistant plastic, and the surface contact is superior to the line contact and the point contact; the protrusions may be sharp or rounded, and in practice, sharp corners may be rounded during use of the friction.

In some embodiments, when the press-fitting part is arranged on the axis of the rotating shaft, the press-fitting part is provided with a shaft hole for the rotating shaft to pass through, and the shaft hole can be located in the middle of the press-fitting part or in the lower part of the press-fitting part, and preferably, as shown in fig. 2, the shaft hole is located in the middle of the press-fitting part, which is beneficial to reducing the overall thickness of the pedal structure.

More specifically, the crimp portion 11 has a trapezoidal or elliptical or square shape. In the embodiment shown in fig. 1 and 2, when the crimping portion 11 has a trapezoidal shape, its upper plane is a transition portion 112, the transition portion is in surface contact with the elastic member, and the corners on both sides of the upper plane are protrusions 111. When the press-contact part 11 is in an oval shape, the press-contact part is in line contact with the elastic part, the line of the pedal in contact with the elastic part in the initial horizontal state is a transition part, the transition part is the middle part of the oval shape, and two side parts of the line of the transition part are both bulges. When the crimping part is square, the upper plane is a transition surface, the transition part is in surface contact with the elastic part, and the edge of the upper surface is a protrusion 111. When the transition portion is in surface contact with the elastic member, the pedal can be more stably disposed on the housing.

The elastic piece is matched with the crimping part, and the shapes of the elastic piece and the crimping part are various. Preferably, the elastic member 20 is a flat elastic sheet, and may be made of a metal material having elastic deformation capability. The elastic member 20 may have other structures, such as a compression spring, a leaf spring, etc., and may be deformed by being pressed by the pressing portion 11.

As shown in fig. 4 to fig. 6, the present invention further provides a balance car, which includes a housing, a wheel 50, a power supply, a control module, and a pedal structure in each of the above embodiments, wherein the pedal structure is disposed on the housing, the control module and the power supply are located in the housing, the power supply is connected to the control module, and the power supply can be a battery or a battery pack for providing power; the control module comprises a control circuit board 30, and the pedal structure is in linkage fit with the control circuit board 30 and outputs a signal according to the rotation of the pedal 10 so as to control the motor of the wheel 50 to rotate. And because the elastic deformation that elastic component 20 in this footboard structure takes place is less, kick-backs very fast, can effectively avoid deformation excessively can't kick-back or the slow problem of kick-back, has guaranteed the safety of traveling of balance car.

The utility model provides a balance car structure, casing include epitheca 40 and inferior valve, and the essential element in the casing all is fixed with the epitheca, and the inferior valve only uses as the bottom. In order to fix the lower shell, the upper shell is also provided with a connecting column connected with the lower shell and other connecting columns for fixing a power supply or other components. The elastic part sets up on the epitheca inner wall, and the footboard also sets up on the epitheca, is equipped with the circuit board mount 32 that is used for fixed control circuit board 30 below footboard 10, and circuit board mount 32 rotates along with footboard 10 and makes the gyroscope on the control circuit board 30 rotate with control motor according to rotating output signal. The pedal 10 rotates along the rotation shaft 60 by stepping on with a foot, the control circuit board 30 is connected with the pedal 10, the control circuit board 30 rotates by stepping on, and the gyroscope on the control circuit board 30 outputs a signal to the control unit of the control circuit board 30 according to the rotation to control the rotation of the motor. That is the footboard 10 rotates through axis of rotation 60, produces and controls the signal, makes the balance car operation, and the elastic component 20 is compressed deformation by the crimping portion 11 of footboard 10 this moment, and when trampling the signal disappearance, elastic component 20 kick-backs for footboard 10 gets back to the initial position, guarantees the normal operating of balance car, and such mode is kick-backed effectually, prevents to produce the balance car problem of out of control that kick-backs untimely and the resilience volume is not enough to lead to, and the mounting means is simple.

More specifically, as shown in fig. 4 and 6, the pedal 10 is movably connected to the upper case 40, the pedal 10 and the elastic member 20 are located above the press-contact portion 11, an installation groove 45 for fixing the elastic member 20 is formed on the inner side of the upper case 40, and a recess 451 is formed in the installation groove, and the position of the recess corresponds to the contact position of the protrusion and the elastic member, so that the elastic member has a deformation space. The upper shell 40 has a through hole 41 for the pedal 10 to pass through, the mounting groove 45 is disposed at one side of the through hole 41, as shown in fig. 6, the mounting groove 45 is disposed at one side of the through hole 41 of the pedal 10 near the middle of the upper shell 40, in some other embodiments, the mounting groove 45 may be disposed at one side of the through hole 41 of the pedal 10 near two ends of the upper shell 40, and the press-bonding part 11 on the pedal 10 may be disposed corresponding to the elastic part 20, and may not interfere with other components in the shell. At this time, one elastic member 20 may be provided for one step 10, and the number of the mounting grooves 45 is also provided for one, which is located at one side of the through hole 41. Of course, in some embodiments, there may be two elastic members 20 corresponding to one pedal 10, and there are two mounting grooves 45 corresponding to the number of the elastic members, which are respectively located at two sides of the through hole 41, and there are two press-connection parts 11 on the pedal 10 corresponding to the number of the elastic members. The shape of the mounting groove 45 is adapted to the shape of the elastic member 20, and the elastic member 20 is fixed in the mounting groove 45 by means of adhesion, screw fastening, or the like. Preferably, in the case that the elastic member 20 is a flat elastic sheet, the mounting groove 45 is also a square groove. And the sunken 451 position of the middle section of the mounting groove 45 corresponds to the crimping part 11, more specifically, the sunken position corresponds to the contact position of the bulge of the crimping part and the elastic sheet, so that the elastic sheet has a deformation space when being extruded by the bulge, the depth of the sunken 451 is slightly larger than the maximum deformation of the elastic sheet when the pedal normally rotates, and the excessive deformation of the elastic sheet is avoided.

In order to fix the control circuit board 30, in some embodiments, a circuit board fixing frame 32 for fixing the circuit board is disposed below the pedal 10, and the circuit board fixing frame 32 rotates along with the pedal 10 to enable the gyroscope on the circuit board to control the motor to rotate according to the rotation output signal. The control circuit board 30 is fastened on the connection column 322 of the circuit board fixing frame 32 through screws, so that the control circuit board 30 rotates along with the circuit board fixing frame 32, and a signal is output to control the motor to rotate. In addition, in order to connect the circuit board fixing frame 32 and the pedal 10, the circuit board fixing frame 32 can rotate along with the pedal 10, the upper surface of the circuit board fixing frame 32 is provided with a limiting block 321, a buckling hole 12 is arranged at a position corresponding to the pedal 10, and the limiting block 321 is correspondingly buckled with the buckling hole 12 to limit the circuit board fixing frame 32; the limiting block 321 can be a boss or a buckle, and the shape of the limiting block is matched with the shape of the buckle hole 12, so that clamping is convenient. In order to shorten the thickness of the case and optimize the layout of the internal components of the case, the control circuit board 30 is positioned below the rotation of the rotation shaft 60, and to ensure that the circuit board holder 32 also rotates around the rotation shaft 60, the lower surface of the circuit board holder 32 is provided with a shaft groove 324 for passing through the rotation shaft 60, so that the circuit board holder 32 follows the pedal 10 to rotate around the rotation shaft 60. Meanwhile, the rotating shaft arranged in the shaft groove also plays a role of compressing the circuit board fixing frame, so that the circuit board fixing frame is limited between the pedal and the rotating shaft, and the circuit board fixing frame is prevented from falling off.

In order to ensure the safe operation of the balance car, the circuit board is provided with a photoelectric switch 31, the pedal 10 is provided with a first photoelectric switch hole 15, the circuit board fixing frame 32 is provided with a second photoelectric switch hole 323, and the first photoelectric switch hole 15 and the second photoelectric switch hole 323 are both arranged corresponding to the photoelectric switch 31; the balance car will not start to work until it is determined that a person stands on the pedals 10. The balance car generally includes two pedals 10, left pedal 10 and right pedal 10, and control circuit board 30 on left pedal 10 and the right pedal 10 can have control function (one is the master control board, and one is vice control board) simultaneously, also can only have control function, and another only has the people detection function of standing or rotatory detection function.

In other embodiments, in order to simplify the structure and fix the control circuit board 30, the control circuit board 30 is directly and fixedly connected with the lower surface of the pedal 10 without the circuit board fixing frame 32; at this time, the rotation shaft 60 penetrates the pedal 10 and is disposed between the circuit board and the pedal 10; the circuit board is provided with the photoelectric switch 31, the pedal 10 is provided with the first photoelectric switch hole 15 corresponding to the photoelectric switch 31, and the balance car can start to work only after a person stands on the pedal 10. The balance car generally includes two pedals 10, left pedal 10 and right pedal 10, and control circuit board 30 on left pedal 10 and the right pedal 10 can have control function (one is the master control board, and one is vice control board) simultaneously, also can only have control function, and another only has the people detection function of standing or rotatory detection function.

The pedal 10 is covered with a pedal skin 13, the pedal skin 13 is mainly used for increasing the tread friction of the feet of a person, and has the functions of skid resistance, buffering and the like, in some embodiments, the inner side of the pedal skin 13 is provided with a contact which is used for being matched with a photoelectric switch 31 on a circuit board and used for detecting whether the person stands, and two sides of the pedal skin 13 are provided with grooves for the rotating shaft 60 to pass through; in other embodiments, the pedal skin 13 may not have a contact, and a membrane switch is disposed between the pedal skin 13 and the pedal 10 to detect whether a person stands. The tread 13 and the pedal 10 can be an integral structure and are integrally formed. The pedal skin 13 and the pedal 10 can also be of a split structure, so that the installation of elements between the pedal skin 13 and the pedal 10 is convenient. Preferably, a spring or other elastic medium is arranged between the tread leather and the pedal and is used for the rebound function when a person stands for detection, or the tread leather has elasticity.

In some embodiments, the rotation shaft holes 14 are formed in two sides of the bottom of the pedal 10, the rotation shaft 60 is located in the rotation shaft hole 14 and penetrates through the pedal 10, and the positioning mechanisms for positioning the rotation shaft 60 are arranged at two ends of the pedal 10, so that the stability of the rotation shaft 60 is ensured, and therefore the pedal 10 and the control circuit board 30 can stably rotate around the rotation shaft 60, output correct signals and control the operation of the balance car. More specifically, the positioning mechanism includes a first rotating shaft groove 422 and a second rotating shaft groove 431 which are positioned inside the housing, and the pressing piece 46 which is positioned below the rotating shaft 60, the first rotating shaft groove 422 and the second rotating shaft groove 431 are oppositely arranged, and the second rotating shaft groove 431 is close to the middle part of the housing; the pressing piece 46 is provided corresponding to the second rotation shaft groove 431, and presses one end of the rotation shaft 60 in the second rotation shaft groove. As shown in fig. 5 and fig. 6, a fender 44 is disposed at a position of the upper case 40 close to the wheel 50, a first base 42 is disposed at a side close to the fender 44, a mounting groove 45 of the motor shaft 51 on the first base 42 is used for mounting the motor shaft 51, that is, fixing the wheel 50, and a first shaft groove 422 is disposed at an end of the mounting groove 45 of the motor shaft close to the hole of the pedal 10, that is, the first shaft groove is disposed in the motor shaft groove, so that material and space are saved without destroying the connection of the motor shaft. The side close to the middle of the upper shell 40 is provided with a second base 43, the side of the second base 43 close to the hole of the pedal 10 is provided with a second rotating shaft groove 431, and the rear ends of the rotating shaft 60 passing through the pedal 10, the pedal leather 13 and the circuit board fixing frame 32 are respectively placed in the first rotating shaft groove 422 and the second rotating shaft groove 431. The motor shaft 51 is pressed into the motor shaft groove 421 of the first base 42 by the motor pressing piece 52, one end of the rotating shaft 60 is pressed into the first rotating groove on the first base 42 by the motor shaft 51, and the other end is pressed into the second rotating groove on the second base 43 by the pressing piece 46, so that the rotating shaft 60 is fixed on the upper shell 40. In this way, the pedal 10 is firmly fixed with the upper shell 40, and the rotation is flexible and the structure is simple.

The upper shell is also provided with a handle, so that the balance car is convenient to take; in some embodiments, the handlebar is an elliptical hole formed in the middle of the upper shell, and the lower shell is also provided with a corresponding elliptical hole, so that a user can conveniently hold the handlebar by stretching the handlebar. The upper shell is also provided with signal signs which are arranged on two sides of the handlebar, and certainly, the signal signs can be matched with signal lamps arranged on the lower shell at other positions to display prompt signals of the balance car.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. A footboard structure, including the footboard, its characterized in that: the pedal further comprises a rotating shaft and an elastic piece, wherein the pedal comprises a crimping part, the crimping part comprises protrusions, and the two protrusions are arranged on two sides of the axis of the rotating shaft; the elastic piece is arranged in contact with the crimping part; when the pedal rotates around the rotating shaft, the press-connection part rotates along with the rotating shaft, the bulge extrudes the elastic part, the elastic part generates elastic deformation, and the elastic part is configured to enable the pedal to reset to the movement trend.

2. The pedal structure according to claim 1, wherein:

the press-connection part is arranged on the axis of the rotating shaft and comprises at least two bulges, the two bulges are symmetrically arranged about the axis of the rotating shaft, the press-connection part comprises a transition part, the two bulges are respectively positioned at two sides of the transition part, and when the pedal is in an initial state, the elastic part is contacted with the transition part; after the pedal rotates, the bulge extrudes the elastic piece to enable the elastic piece to generate elastic deformation;

or, include two the crimping portion, the crimping portion sets up the axis both sides of axis of rotation, every the crimping portion includes a arch, two the arch is about the axis symmetry of axis of rotation sets up, the arch with the elastic component contact sets up, when the footboard rotates, the arch extrusion the elastic component makes the elastic component takes place elastic deformation.

3. The pedal structure according to claim 1 or 2, wherein: the crimping part is trapezoidal or oval or square.

4. The pedal structure according to claim 1, wherein: the elastic piece is a straight elastic piece.

5. The balance car is characterized by comprising a shell, wheels, a power supply and a control module, and further comprising the pedal structure as claimed in any one of claims 1 to 4, wherein the pedal structure is arranged on the shell, the control module and the power supply are located in the shell, the power supply is connected with the control module, the control module comprises a control circuit board, and the pedal structure is in linkage fit with the control circuit board and outputs signals according to rotation of the pedals so as to control the rotation of the motors of the wheels.

6. The balance car of claim 5, wherein: the circuit board fixing frame is used for fixing the control circuit board and rotates along with the pedal, so that the gyroscope on the control circuit board outputs signals according to rotation to control the motor to rotate.

7. The balance car of claim 6, wherein: the control circuit board is provided with a photoelectric switch, the pedal is provided with a first photoelectric switch hole, the circuit board fixing frame is provided with a second photoelectric switch hole, and the first photoelectric switch hole and the second photoelectric switch hole are both arranged corresponding to the photoelectric switch; the upper surface of the circuit board fixing frame is provided with a limiting block, a buckling hole is formed in the position corresponding to the pedal, and the limiting block is correspondingly buckled with the buckling hole to limit the circuit board fixing frame; the lower surface of the circuit board fixing frame is provided with a shaft groove used for penetrating through the rotating shaft, so that the circuit board fixing frame rotates around the rotating shaft along with the pedal.

8. The balance car of claim 5, wherein: the control circuit board is fixedly connected with the lower surface of the pedal; the rotating shaft penetrates through the pedal and is arranged between the control circuit board and the pedal; the control circuit board is provided with a photoelectric switch, and the pedal is provided with a first photoelectric switch hole corresponding to the photoelectric switch.

9. The balance car of claim 5, wherein: rotating shaft holes are formed in two sides of the bottom of the pedal, the rotating shaft is positioned in the rotating shaft holes and penetrates through the pedal, and positioning mechanisms for positioning the rotating shaft are arranged at two ends of the rotating shaft; the positioning mechanism comprises a first rotating shaft groove, a second rotating shaft groove and a pressing sheet, wherein the first rotating shaft groove and the second rotating shaft groove are positioned on the inner side of the shell, the pressing sheet is positioned below the rotating shaft, the first rotating shaft groove and the second rotating shaft groove are oppositely arranged, and the second rotating shaft groove is close to the middle part of the shell; the pressing piece is arranged corresponding to the second rotating shaft groove, and one end of the rotating shaft is pressed in the second rotating shaft groove.

10. The balance car of claim 5, wherein: the casing includes epitheca and inferior valve, the footboard upper cover is equipped with steps on the skin, have the confession on the epitheca the footboard with step on the through-hole that the skin passed, the elastic component is located the top of crimping portion, the inboard of epitheca is equipped with fixedly the mounting groove of elastic component, be equipped with sunkenly in the mounting groove, sunken position with protruding with the contact position of elastic component corresponds, makes the elastic component has the deformation space.

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