CN212149159U - Pedal structure and balance car - Google Patents

Abstract

The utility model discloses a pedal structure and a balance car, wherein the pedal structure comprises a pedal body, a pedal rotating plate, a pedal supporting plate and an elastic part, wherein the elastic part is arranged on the pedal supporting plate and is abutted against the pedal rotating plate, and the deformation point of the elastic part is positioned at two sides of the rotating axis of the pedal rotating plate; the pedal rotating plate is in linkage fit with the pedal body, rotates relative to the pedal supporting plate and extrudes a deformation point of the elastic piece, and the elastic piece is configured to enable the pedal rotating plate to have a reset movement trend. Its advantage lies in, the utility model discloses a footboard structure sets up the elastic component near the axis of rotation of footboard rotor plate, and the deformation of rotating the same angle but elastic component is littleer, avoids the too big problem untimely and the rebound volume is not enough of kick-backing that leads to of elastic component deformation, and the mounting means is simpler, and compact structure saves space.

Description

Pedal structure and balance car

Technical Field

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

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 purposes of the utility model is to provide a pedal structure with good rebound effect.

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 body, a pedal rotating plate, a pedal supporting plate and an elastic piece, wherein the elastic piece is arranged on the pedal supporting plate and is abutted against the pedal rotating plate, and deformation points of the elastic piece are positioned on two sides of a rotating axis of the pedal rotating plate; the pedal rotating plate is in linkage fit with the pedal body, rotates relative to the pedal supporting plate and extrudes a deformation point of the elastic piece, and the elastic piece is configured to enable the pedal rotating plate to have a reset movement trend.

Preferably, the pedal rotating plate is in rotating fit with the pedal supporting plate, a rotating assembly is arranged between the pedal rotating plate and the pedal supporting plate, and the rotating assembly comprises an arc-shaped surface and an arc-shaped groove; one of the arc-shaped surface and the arc-shaped groove is positioned on one surface, facing the pedal supporting plate, of the pedal rotating plate, the other one of the arc-shaped surface and the arc-shaped groove is positioned on one surface, facing the pedal rotating plate, of the pedal supporting plate, and the arc-shaped surface and the arc-shaped groove are matched to enable the pedal rotating plate to rotate relative to the pedal supporting plate within a certain range and extrude the elastic piece.

Preferably, an anti-falling assembly is arranged between the pedal rotating plate and the pedal supporting plate; the anti-falling assembly comprises a rotary fixing hole, a fixing column and a pressing piece; the rotating fixing holes are formed in the pedal rotating plate, and the fixing columns are arranged in the direction of the rotating axis of the pedal rotating plate or symmetrically arranged around the rotating axis of the pedal rotating plate; the fixed column is positioned in the rotary fixed hole, the rotary fixed hole is an elliptical hole, the length of the rotary fixed hole is greater than the outer diameter of the fixed column, and the width of the rotary fixed hole is matched with the outer diameter of the fixed column, so that the fixed column has a relatively movable space in the rotary fixed hole; the pressing piece is connected with the fixing column from the upper part of the pedal rotating plate, so that the pedal rotating plate is connected with the pedal supporting plate and the rotation of the pedal rotating plate is not influenced.

Preferably, the contact surface of the rotary fixing hole and the pressing piece is an arc surface; the pressing piece is a screw.

Preferably, a base is arranged on the pedal supporting plate, the arc-shaped surface or the arc-shaped groove is arranged on the base, the elastic part is of a spring plate type structure and comprises deformation parts at two ends and a middle installation part, and the deformation points are located on the deformation parts; the base is provided with an installation position used for being connected with the installation part of the elastic piece and installing the elastic piece, the deformation part of the elastic piece is abutted against the bottom surface of the pedal rotating plate, and the pedal rotating plate has a movement trend of resetting.

Preferably, the deformation part is fixedly connected with the bottom surface of the pedal rotating plate.

Preferably, the pedal body is in clearance fit with the pedal rotating plate, a spring is arranged between the pedal body and the pedal rotating plate, one end of the spring is abutted against the pedal body, and the other end of the spring is abutted against the pedal rotating plate; the pedal rotating plate or the pedal body is provided with a human body detection module, when the pedal body is close to the pedal rotating plate, the human body detection module is triggered, and the spring has a movement trend for resetting the pedal body.

Preferably, the human body detection module comprises a membrane switch and a pressing block, one of the membrane switch and the pressing block is located on the pedal body, the other is located on the pedal rotating plate, and when the pedal body approaches the pedal rotating plate, the pressing block presses and triggers the membrane switch;

or

The human body detection module comprises a photoelectric switch and a contact, one of the photoelectric switch and the contact is positioned on the pedal body, the other one of the photoelectric switch and the contact is positioned on the control circuit board of the pedal rotating plate, and when the pedal body is close to the pedal rotating plate, the contact triggers the photoelectric switch.

Preferably, a light bar mounting groove is formed in the upper surface of the pedal rotating plate, a control circuit board is arranged below the pedal rotating plate, and a through hole for passing a wire is formed in the pedal rotating plate; the pedal body is provided with a lamp cover and a lamp cover mounting hole, and the lamp cover and the lamp strip mounting groove are correspondingly arranged.

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

a balance car comprises a car body, wheels, a control module and a power supply, wherein the car body comprises a shell and the pedal structure, 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, the pedal structure is in linkage fit with the control circuit board, and a signal is output according to the rotation of the pedal structure to control the rotation of a motor of the wheels; the casing includes upper housing and lower casing, the footboard backup pad with upper housing is connected fixedly.

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

the utility model discloses a pedal structure sets up the elastic component near the footboard rotor plate, and the footboard rotor plate directly extrudees the elastic component when rotating, and the elastic component produces elastic deformation in real time, and after footboard body and footboard rotor plate no longer exert force, the elasticity of elastic component makes footboard body and footboard rotor plate reset; for current structure that sets up the spring respectively in a footboard both ends or four corners below, the utility model discloses a footboard structure sets up the elastic component more closely from the axis of rotation of footboard rotor plate, and footboard rotor plate rotates the same angle but the deformation of elastic component 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 applied the balance car of this footboard structure, the footboard body passes through the footboard rotor plate and rotates, produces control signal, makes the balance car operation, and the elastic component is by footboard rotor plate extrusion deformation this moment, and when trampling the signal disappearance, the elastic component kick-backs fast for the initial position is got back to the footboard body, 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 an exploded schematic view of a pedal structure according to an embodiment of the present invention;

fig. 3 is an exploded view of the pedal body and the pedal rotating plate according to the embodiment of the present invention;

fig. 4 is a schematic structural view of a pedal rotating plate according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a pedal supporting plate according to an embodiment of the present invention;

fig. 6 is a schematic view illustrating the fitting of the fixing column and the rotating fixing hole according to the embodiment of the present invention;

fig. 7 is a schematic structural view of a pedal body according to an embodiment of the present invention;

fig. 8 is an explosion structure diagram of the balance car according to the embodiment of the present invention.

In the figure: 10. a pedal body; 11. treading the leather; 12. a spring; 13. a pressing block; 14. buckling; 15. a lamp cover; 16. a lamp cover mounting hole; 17. a spring mounting post; 20. a pedal turning plate; 21. an arc-shaped slot; 22. rotating the fixing hole; 23. a compression member; 24. the elastic sheet fixing column; 25. a membrane switch; 251. a membrane switch mounting groove; 26. a card slot; 27. a light bar; 271. a light bar mounting groove; 272. a through hole; 28. a control circuit board mounting post; 29. a spring mounting groove; 30. a pedal support plate; 31. an elastic member; 311. an installation part; 312. a deformation section; 32. a rotating shaft; 321. an arc-shaped surface; 33. a base; 331. fixing a column; 332. an installation position; 34. a circuit board receiving hole; 35. a pedal support plate mounting hole; 40. a vehicle body; 41. an upper housing; 411. perforating; 42. a lower housing; 43. a wheel; 44. a control circuit board; 45. a power source.

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.

Refer to fig. 1 to 8, the utility model discloses footboard structure and balance car will be clarified in the following description, wherein, elastic component in the footboard structure is close to the setting of footboard rotor plate, and make the deformation point of elastic component be located the both sides of axis of rotation, the footboard rotor plate is when being trampled the rotation, the deformation point that can make the elastic component produces deformation, thereby produce the resilience force, at this moment, because the elastic component is close to the axis of rotation, the deformation of production is less, kick-back is fast, make the footboard body get back to the initial position, guarantee the normal operating of balance car, prevent to produce the problem of balance car out of control that resilience is untimely and the resilience volume of kick-back is not enough to lead to.

As shown in fig. 1 to 7, the present invention provides a pedal structure, further comprising a pedal body 10, a pedal rotating plate 20, a pedal supporting plate 30 and an elastic member 31, wherein the elastic member 31 is disposed on the pedal supporting plate 30 and abuts against the pedal rotating plate; the elastic piece comprises deformation points, the deformation points can be positioned at two sides above the rotating axis of the pedal rotating plate, and the rotating axis of the pedal rotating plate is set to be low; or can be positioned at two sides below the rotating axis, or can be flush with the rotating axis and positioned at two horizontal sides of the rotating axis. The pedal rotation plate 20 is cooperatively engaged with the pedal body 10, rotates with respect to the pedal support plate 30 and presses a deformation point of the elastic member 31, and the elastic member 31 is configured to have a movement tendency of returning the pedal rotation plate 20.

The elastic member 31 may be a straight plate-shaped elastic piece, or may be a "W" shaped elastic piece or a "V" shaped elastic piece. The butt in this embodiment includes the condition of direct counterbalance and little clearance fit, and in practical application, the butt indicates that the footboard rotor plate offsets with the shell fragment when having certain pressure to the shell fragment, for example someone stands on footboard body and footboard rotor plate to footboard body and footboard rotor plate application of force, or when rotating footboard body and footboard rotor plate, the both ends of footboard body and footboard rotor plate and shell fragment offset, when footboard body and footboard rotor plate do not have the applied pressure, the footboard rotor plate can with shell fragment butt or little clearance fit. The pedal rotating plate is abutted against the elastic sheet to prevent the pedal body and the pedal rotating plate from shaking, and the rotation angle of the pedal body and the pedal rotating plate can be detected more accurately.

When a force is applied to the pedal body 10 and the pedal rotating plate 20, the pedal body 10 and the pedal rotating plate 20 are in linkage fit and rotate together, and simultaneously, the pedal rotating plate 20 presses the elastic member 31 below the pedal rotating plate 20 when rotating, so that the elastic member 31 is deformed, and after the force on the pedal body 10 and the pedal rotating plate 20 disappears, the pedal body 10 and the pedal rotating plate 20 are reset to be horizontal under the action of the elastic member 31. The elastic member 31 is provided on the pedal supporting plate 30, and the pedal supporting plate 30 is not only used for carrying the elastic member 31, but also provided with a rotating member matching with the pedal rotating plate 20 for supporting the pedal rotating plate 20 and rotating it with respect to the pedal supporting plate 30.

More specifically, the pedal rotating plate 20 is rotatably engaged with the pedal supporting plate 30, and a rotating assembly is arranged between the pedal rotating plate and the pedal supporting plate, wherein the rotating assembly comprises an arc-shaped surface 321 and an arc-shaped groove 21; one of the arc-shaped surface 321 and the arc-shaped groove 21 is located on a surface of the pedal rotating plate 20 facing the pedal supporting plate 30, and the other is located on a surface of the pedal supporting plate 30 facing the pedal rotating plate 20, and the arc-shaped surface 321 and the arc-shaped groove 21 cooperate to enable the pedal rotating plate 20 to rotate relative to the pedal supporting plate 30 within a certain range and press the elastic member 31. As shown in fig. 1, 2, 4 and 5, the arc surface 321 is disposed on the pedal supporting plate 30, and the arc groove 21 is disposed on the bottom surface of the pedal rotating plate 20, wherein the arc surface 321 of the pedal supporting plate 30 is located on a semicircular boss of the base 33, the semicircular boss is the rotating shaft 32, the rotating axis of the pedal rotating plate 20 coincides with the rotating axis of the semicircular boss, and the pedal rotating plate 20 rotates around the rotating shaft 32. The rotating shaft groove is a semicircular groove, the rotating shaft 32 is a semicircular boss, the profiles are matched, but one of the rotating shaft groove and the rotating shaft boss is larger in cambered surface and has a relative rotating space, so that the pedal rotating plate 20 can rotate relative to the pedal supporting plate 30. As shown in fig. 5, two bases 33 are disposed on the pedal supporting plate 30, and are disposed in front and rear directions, and the two bases 33 are respectively provided with a semicircular boss, so that the pedal rotating plate 20 can rotate more stably. One of the bases 33 is provided with a mounting location 332 for the resilient member 31.

In order to further ensure the stable rotation of the pedal rotating plate 20, it is necessary to ensure that the pedal rotating plate 20 is not separated from the pedal supporting plate 30, and therefore, an anti-drop assembly is arranged between the pedal rotating plate 20 and the pedal supporting plate 30; the anti-falling component comprises a rotary fixing hole 22, a fixing column 331 and a pressing piece 23; the rotary fixing holes 22, the fixing columns 331 and the pressing pieces 23 are in one-to-one correspondence; the rotation fixing holes 22 are provided on the pedal rotation plate 20, and the fixing posts 331 are provided in the direction of the rotation axis 32 of the pedal rotation plate 20 or symmetrically with respect to the rotation axis 32 of the pedal rotation plate 20. The number of the fixing posts 331 may be one or two or more, and the positions and the number of the rotation fixing holes 22 correspond to the fixing posts 331. When the number of the fixing posts 331 is 1 or 2, the fixing posts 331 are disposed in the direction of the rotation axis, that is, in the middle of the rotation axis 32 of the pedal support plate 30, the two fixing posts 331 are respectively located on the rotation axes 32 of the two bases 33, the number of the fixing holes 22 is fixed to the number of the fixing posts 331, the two fixing holes 22 are respectively disposed in the middle of the two arc-shaped slots 21 spaced on the pedal rotation plate 20, and the two fixing holes are disposed in front and back. When the fixing posts 331 are symmetrically disposed about the rotation axis, there are at least two fixing posts, which are respectively disposed on the left and right sides of the pedal support plate 30, the number and positions of the rotation fixing holes 22 correspond to those of the fixing posts 331, and the number of the pressing pieces 23 also corresponds to those of the fixing posts 331. The pressing member 23 is locked with the fixing post 331 from the top to the bottom, and connects the pedal rotation plate 20 with the pedal support plate 30.

Taking the number of the fixing columns 331 as two, and setting the fixing columns as an example from front to back, as shown in fig. 2, 4, 5 and 6, the fixing columns 331 are located in the rotation fixing holes 22, the rotation fixing holes 22 are elliptical holes, the length of the rotation fixing holes 22 is greater than the outer diameter of the fixing columns 331, and the width of the rotation fixing holes is matched with the outer diameter of the fixing columns 331, so that the fixing columns 331 have moving spaces relative to the length direction or spaces rotating simultaneously with the pedal rotation plate in the rotation fixing holes 22; the pressing member 23 is connected to the fixing post 331 from above the pedal rotation plate 20, so that the pedal rotation plate 20 is connected to the pedal support plate 30 without affecting the rotation of the pedal rotation plate 20. More specifically, the top of the pressing member 23 is located on the upper surface of the rotation fixing hole 22, and contacts with the upper surface of the rotation fixing hole 22 but is not locked, preferably, in order to reduce the friction force between the pressing member 23 and the rotation fixing hole 22 and enable the pressing member to rotate on the top, the contact surface between the rotation fixing hole 22 and the pressing member 23 is a cambered surface; the pressing piece 23 is a screw and is in threaded connection with the fixing column 331, and a gasket can also be arranged between the screw and the fixing column.

In some embodiments, the arc-shaped surfaces 321 or the arc-shaped grooves 21 are disposed on two bases 33 of the pedal supporting plate 30, and one of the bases 33 is provided with a mounting location 332 for mounting the elastic member 31, more specifically, the elastic member 31 is of a leaf spring type structure and includes deformation portions 312 at two ends and a mounting portion 311 in the middle, and the elastic member 31 may be a straight leaf type leaf spring, and may also be a "W" leaf spring or a "V" leaf spring. The deformation point is positioned on the deformation part 312, and the mounting part 311 is fixed on the mounting position 332 of the base 33 through a screw; the deformation portion 312 of the elastic member 31 abuts against the bottom surface of the pedal rotation plate 20, and has a tendency to restore the pedal rotation plate 20, and when the pedal rotation plate 20 rotates, the bottom surface thereof contacts and presses against the deformation portion 312, so that the deformation portion 312 is deformed and stores force. Preferably, the deformation portion 312 is fixedly connected to the bottom surface of the pedal rotating plate 20 through a screw, so that the deformation portion 312 and the pedal rotating plate 20 are always tightly attached to each other, the deformation degree of the deformation portion 312 is consistent with the rotation angle of the pedal rotating plate 20, the elastic member 31 is prevented from being rebounded due to metal fatigue after long-term use, and the pedal and the bottom of the pedal rotating plate can be prevented from being collided and worn. The fixing connection between the deformation portion 312 and the pedal rotation plate 20 is various, such as screw fixing or clamping with a clamping block, as shown in fig. 4, the lower side of the pedal rotation plate 20 has a spring fixing post 24 for fixing the spring and the pedal rotation plate 20 firmly through the screw and receiving the rotation force and the resilience force between the pedal rotation plate 20 and the spring.

The pedal structure needs to detect whether a person stands or not in addition to the rotation angle. In some embodiments, the pedal body 10 is in clearance fit with the pedal rotating plate 20, and a spring 12 is arranged between the pedal body 10 and the pedal rotating plate 20, one end of the spring 12 is abutted against the pedal body 10, and the other end is abutted against the pedal rotating plate 20; the pedal rotating plate 20 or the pedal body 10 is provided with a human body detection module, when the pedal body 10 is close to the pedal rotating plate 20, the human body detection module is triggered, and the spring 12 has a movement trend for resetting the pedal body 10.

More specifically, as shown in fig. 3, four springs 12 are disposed between the pedal body 10 and the pedal rotation plate 20, at four corners, respectively, when a person stands on the pedal structure, the pedal body 10 compresses the springs 12 downward, and then the human body detection module on the pedal rotation plate 20 is triggered to output a person standing signal. When the human body is not on the pedal structure, the spring 12 is restored to be deformed, the human body detection module on the pedal rotating plate 20 is not triggered, and a no-standing signal is generated.

The pedal body 10 is provided with a spring mounting column 17, the pedal rotating plate 20 is provided with a spring mounting groove 29, and two ends of the spring 12 are respectively positioned in the spring mounting column 17 and the spring mounting groove 29.

The human body detection module has various forms and structures, for example, the human body detection module includes a membrane switch 25 and a pressing block 13, one of the membrane switch 25 and the pressing block 13 is located on the pedal body 10, the other is located on the pedal rotating plate 20, and when the pedal body 10 approaches the pedal rotating plate 20, the pressing block 13 presses the triggering membrane switch 25. In the specific example shown in fig. 2, 3 and 7, a convex pressing block 13 is formed on the lower side of the pedal body 10 for pressing the membrane switch 25 by the stepping action of the human body, and the position and shape of the pressing block 13 are matched according to the shape of the membrane switch 25. The pedal rotation plate is provided with a membrane switch mounting groove 251 for mounting a membrane switch.

When a person stands on the pedal, the pedal body 10 compresses the spring 12 downward, the membrane switch 25 on the pedal rotating plate 20 is pressed, and a person standing signal is output. When the human body is not on the pedal, the spring 12 restores the deformation, the membrane switch 25 on the pedal rotating plate 20 is pressed to disappear, and the no-standing signal is generated.

For another example, in other embodiments, the human body detection module includes a photoelectric switch and a contact, one of the photoelectric switch and the contact is located on the pedal body 10, and the other is located on the control circuit board 44 of the pedal rotating plate 20, and when the pedal body 10 approaches the pedal rotating plate 20, the contact triggers the photoelectric switch. The pedal body 10 is provided with contacts which are matched with the photoelectric switch on the control circuit board 44 after passing through the pedal rotating plate 20 through corresponding through holes to output a stop signal.

In some embodiments, in order to display the working state of the pedal structure or the equipment installed in the pedal structure, the pedal structure includes the light bar 27, the upper surface of the pedal rotating plate 20 is provided with a light bar installation groove 271, the lower part is provided with the control circuit board 44, and the pedal rotating plate 20 is provided with a through hole 272 for passing the wire; be equipped with lamp lid 15 and lamp lid mounting hole 16 on the footboard body, lamp lid 15 corresponds the setting with lamp strip mounting groove 271. The light bar installation groove 271 is disposed in the middle of the pedal rotating plate 20, and for some pedal rotating plates 20 having two front and back rotation fixing holes 22, one of the rotation fixing holes 22 may collide with the light bar installation groove 271, so that the rotation fixing hole 22 may be disposed in the light bar installation groove 271 and be lower than the bottom surface of the light bar installation groove 271, and the installation of the light bar 27 is not affected.

More specifically, the edge projection of the lamp cover 15 is fitted with the edge projection in the lamp cover mounting hole 16 to fix the lamp cover 15 to the pedal body. In order to movably connect the pedal body 10 and the pedal rotating plate 20, the lower side of the pedal body 10 is provided with a buckle 14 for fixing the pedal body 10 on the pedal rotating plate 20, and correspondingly, the pedal rotating plate 20 is provided with a clamping groove 26, and the buckle 14 cannot be disengaged after being clamped in the clamping groove 26, but can move up and down in the clamping groove 26. Preferably, the lower side of the pedal body is further provided with a spring mounting column 17 for fixing one end of the spring 12, and the number of the buckles 14 and the spring mounting columns 17 is four and the buckles are distributed in a rectangular shape, which can be set according to the actual situation.

As shown in fig. 8, the utility model also discloses a balance car, including automobile body 40, wheel 43, control module and power 45, automobile body 40 includes casing and above-mentioned footboard structure, and the footboard structure sets up on the casing, and control module and power 45 are located the casing, and power 45 is connected with control module, and control module includes control circuit board 44, and the footboard structure cooperates with control circuit board 44 in the linkage, according to the rotation output signal of footboard structure with the motor rotation of control wheel 43; the housing includes an upper housing 41 and a lower housing 42, and the pedal support plate 30 is fixedly coupled to the upper housing 41.

The pedal is trampled by foot, the pedal body 10 rotates along the rotating shaft 32 on the pedal supporting plate 30 through the pedal rotating plate 20, the control circuit board 44 is connected with the pedal rotating plate 20, the control circuit board 44 rotates along with the trampling, and the gyroscope on the control circuit board 44 sends a control signal to the control unit of the control circuit board 44 according to the rotation output signal to control the rotation of the motor. Also, footboard body 10 produces the control signal through the rotation of footboard rotor plate 20, makes the balance car operation, and the shell fragment is by footboard rotor plate 20 compression deformation this moment, and when trampling the signal disappearance, the shell fragment kick-backs for the initial position is got back to the footboard, guarantees the normal operating of balance car, and it is effectual to kick-back, prevents to produce the balance car problem of being out of control that kick-backs untimely and the resilience volume is not enough to lead to, and the mounting means is simple.

The underside of the pedal rotation plate 20 has a control circuit board mounting post 28 for fastening the control circuit board 44 to the underside of the pedal rotation plate 20 by screws. In order to avoid interference between the pedal rotation plate 20 and the pedal support plate 30 when the pedal rotation plate 20 drives the control circuit board 44 to rotate, the pedal support plate 30 is provided with a circuit board accommodating hole 34 for the control circuit board 44 to pass through, and the two bases 33 are respectively disposed at two sides of the circuit board accommodating hole 34.

The housing includes an upper housing 41 and a lower housing 42, and in order to fix the pedal support plate 30, the pedal support plate 30 is provided at its edge with a pedal support plate mounting hole 35 for fixing the pedal support plate 30 to the upper housing 41, thus fixing the entire pedal structure to the vehicle body 40. Of course, the pedal support plate 30 may be integrally formed with the upper case 41. The upper shell 41 is provided with through holes 411 for the pedal body 10 to pass through, and the two through holes 411 are arranged left and right and correspond to the pedal structure; the pedal body 10 is further provided with a pedal skin 11 for increasing friction and improving pedaling comfort. The tread 11 may be adhered to the pedal body 10 or may be integrally formed with the pedal body 10.

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 pedal structure is characterized by comprising a pedal body, a pedal rotating plate, a pedal supporting plate and an elastic piece, wherein the elastic piece is arranged on the pedal supporting plate and is abutted against the pedal rotating plate, and deformation points of the elastic piece are positioned on two sides of a rotating axis of the pedal rotating plate; the pedal rotating plate is in linkage fit with the pedal body, rotates relative to the pedal supporting plate and extrudes a deformation point of the elastic piece, and the elastic piece is configured to enable the pedal rotating plate to have a reset movement trend.

2. The pedal structure according to claim 1, wherein: the pedal rotating plate is in rotating fit with the pedal supporting plate, a rotating assembly is arranged between the pedal rotating plate and the pedal supporting plate, and the rotating assembly comprises an arc-shaped surface and an arc-shaped groove; one of the arc-shaped surface and the arc-shaped groove is positioned on one surface, facing the pedal supporting plate, of the pedal rotating plate, the other one of the arc-shaped surface and the arc-shaped groove is positioned on one surface, facing the pedal rotating plate, of the pedal supporting plate, and the arc-shaped surface and the arc-shaped groove are matched to enable the pedal rotating plate to rotate relative to the pedal supporting plate within a certain range and extrude the elastic piece.

3. The pedal structure according to claim 2, wherein: an anti-falling component is arranged between the pedal rotating plate and the pedal supporting plate; the anti-falling assembly comprises a rotary fixing hole, a fixing column and a pressing piece; the rotating fixing holes are formed in the pedal rotating plate, and the fixing columns are arranged in the direction of the rotating axis of the pedal rotating plate or symmetrically arranged around the rotating axis of the pedal rotating plate; the fixed column is positioned in the rotary fixed hole, the rotary fixed hole is an elliptical hole, the length of the rotary fixed hole is greater than the outer diameter of the fixed column, and the width of the rotary fixed hole is matched with the outer diameter of the fixed column, so that the fixed column has a relatively movable space in the rotary fixed hole; the pressing piece is connected with the fixing column from the upper part of the pedal rotating plate, so that the pedal rotating plate is connected with the pedal supporting plate and the rotation of the pedal rotating plate is not influenced.

4. The pedal structure according to claim 3, wherein: the contact surface of the rotary fixing hole and the pressing piece is an arc surface; the pressing piece is a screw.

5. The pedal structure according to claim 2, 3 or 4, wherein: the pedal supporting plate is provided with a base, the arc-shaped surface or the arc-shaped groove is arranged on the base, the elastic piece is of a spring piece type structure and comprises deformation parts at two ends and a middle installation part, and the deformation point is positioned on the deformation parts; the base is provided with an installation position used for being connected with the installation part of the elastic piece and installing the elastic piece, the deformation part of the elastic piece is abutted against the bottom surface of the pedal rotating plate, and the pedal rotating plate has a movement trend of resetting.

6. The pedal structure according to claim 5, wherein: the deformation part is fixedly connected with the bottom surface of the pedal rotating plate.

7. The pedal structure according to any one of claims 1 to 4, wherein: the pedal body is in clearance fit with the pedal rotating plate, a spring is arranged between the pedal body and the pedal rotating plate, one end of the spring is abutted against the pedal body, and the other end of the spring is abutted against the pedal rotating plate; the pedal rotating plate or the pedal body is provided with a human body detection module, when the pedal body is close to the pedal rotating plate, the human body detection module is triggered, and the spring has a movement trend for resetting the pedal body.

8. The pedal structure according to claim 7, wherein:

the human body detection module comprises a membrane switch and a pressing block, one of the membrane switch and the pressing block is positioned on the pedal body, the other one of the membrane switch and the pressing block is positioned on the pedal rotating plate, and when the pedal body is close to the pedal rotating plate, the pressing block presses and triggers the membrane switch;

or

The human body detection module comprises a photoelectric switch and a contact, one of the photoelectric switch and the contact is positioned on the pedal body, the other one of the photoelectric switch and the contact is positioned on the control circuit board of the pedal rotating plate, and when the pedal body is close to the pedal rotating plate, the contact triggers the photoelectric switch.

9. The pedal structure according to any one of claims 1 to 4, wherein: the upper surface of the pedal rotating plate is provided with a light bar mounting groove, a control circuit board is arranged below the pedal rotating plate, and the pedal rotating plate is provided with a through hole for passing a wire; the pedal body is provided with a lamp cover and a lamp cover mounting hole, and the lamp cover and the lamp strip mounting groove are correspondingly arranged.

10. A balance car, comprising a car body, wheels, a control module and a power supply, wherein the car body comprises a shell and a pedal structure according to any one of claims 1 to 9, the pedal structure is arranged on the shell, the control module and the power supply are positioned 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 the rotation of the pedal structure so as to control the motor of the wheels to rotate; the casing includes upper housing and lower casing, the footboard backup pad with upper housing is connected fixedly.

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