WO2017210835A1 - Véhicule à équilibrage électrique - Google Patents

Véhicule à équilibrage électrique Download PDF

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Publication number
WO2017210835A1
WO2017210835A1 PCT/CN2016/084974 CN2016084974W WO2017210835A1 WO 2017210835 A1 WO2017210835 A1 WO 2017210835A1 CN 2016084974 W CN2016084974 W CN 2016084974W WO 2017210835 A1 WO2017210835 A1 WO 2017210835A1
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WO
WIPO (PCT)
Prior art keywords
section
rotating shaft
limiting plate
segment
spring
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Application number
PCT/CN2016/084974
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English (en)
Chinese (zh)
Inventor
尚艳燕
Original Assignee
尚艳燕
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Filing date
Publication date
Application filed by 尚艳燕 filed Critical 尚艳燕
Priority to PCT/CN2016/084974 priority Critical patent/WO2017210835A1/fr
Publication of WO2017210835A1 publication Critical patent/WO2017210835A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K3/00—Bicycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork

Definitions

  • the present invention relates to the field of balancing vehicles and, more particularly, to an electric balancing vehicle.
  • Electric balance car also known as body car, thinking car
  • its operation principle is mainly based on a basic principle called “dynamic stability", using the gyroscope and acceleration sensor inside the car body to detect the posture of the car body. Change and use the servo control system to accurately drive the motor to adjust accordingly to maintain the balance of the system.
  • the current electric balance car body is provided with an operating lever, and the user stands on the pedal platform of the electric balance car to operate the operating lever to realize the steering and the like.
  • the current joystick control direction is not well controlled.
  • the technical problem to be solved by the present invention is to provide an electric balance car that facilitates the control direction.
  • an electric balance vehicle including a vehicle body, a wheel, a drive motor for driving the wheel, a power source for supplying power, a circuit board, a control lever and a rotating shaft
  • the power supply and the circuit board are disposed in the vehicle body
  • the control rod is fixedly connected to the rotating shaft
  • the rotating shaft is provided with a cylindrical third section
  • the third section is externally provided with a limit for limiting the rotation angle of the rotating shaft
  • the structure includes a limiting plate and a spring, the limiting plate is engaged with the rotating shaft, and two springs are disposed between the limiting plate and the bottom of the vehicle body, and the two springs are respectively disposed at Rotate both sides of the shaft.
  • a bottom of the third section of the rotating shaft is provided with a notch, and the limiting plate is inserted into the notch, and two springs are disposed between the two ends of the limiting plate and the bottom of the vehicle body.
  • the limiting plate is snapped into the notch, and the rotation of the rotating shaft can immediately drive the limiting plate to rotate, and then the spring is pressed by the limiting plate, and the spring compression generates an elastic force to effectively limit the rotation angle of the rotating shaft, and provides a resilience force to reset the rotating shaft.
  • the limiting plate is fixedly connected to the notch.
  • the limiting plate can be fixedly connected with the gap fixing, screw fixing, etc., or the width of the limiting plate is slightly larger than the width of the notch to achieve an interference fit.
  • two retaining plates are vertically disposed on the limiting plate, and the two clamping plates hold the control shaft from both sides of the third segment of the control shaft.
  • the clamping plate prevents the displacement of the limiting plate and provides pressure to the limiting plate, which can give the spring more pressure and generate a larger restoring force.
  • a control through hole is disposed in the middle of the third section of the rotating shaft, and the limiting plate passes through the control through hole in the middle, and two springs are disposed between the two ends of the limiting plate and the bottom of the vehicle body.
  • the control shaft rotates, and the third section of the control shaft controls the through hole to drive the limit plate to rotate, the limit plate rotates to press the spring, and the spring compression generates an elastic force to effectively limit the rotation angle of the rotating shaft, and provides a resilience force to reset the rotating shaft.
  • a bottom surface of the limiting plate is provided with a spring limiting portion.
  • the spring limiting portion provided on the bottom surface of the limiting plate can limit the spring from coming out, especially during the use process, the restoring force of the spring acts on the limiting plate.
  • the spring restricting portion includes a notch or a protruding restricting portion provided on a bottom surface of the limiting plate, and the notch or the protruding restricting portion is circular or annular.
  • the bottom surface of the limiting plate is provided with a notch, the notch is circular, and the entire spring end is caught, the notch is annular, the ring can better clamp the spring end, and the bottom surface of the limiting plate is provided with a protruding restriction portion, and the protruding limit The part is round and snaps into the entire spring end, and the protruding restricting portion is annular, and the ring shape can better catch the spring end.
  • the end of the notch or the end of the protruding restriction portion protrudes inwardly to form an inner protrusion to catch the spring end.
  • the bottom of the vehicle body is provided with a spring limiting portion.
  • the spring is caught at both ends and the jamming effect is better.
  • the rotating shaft is provided with a first segment, a second segment, a third segment, and a second a fourth section and a fifth section, a transition section is disposed between the first section and the second section of the rotating shaft, a first bearing is disposed outside the second section, and a first bearing seat is disposed outside the first bearing
  • the first bearing seat is fixed at the bottom of the vehicle body
  • the fourth bearing is provided with a second bearing
  • the second bearing is provided with a second bearing seat
  • the second bearing seat is fixed in the vehicle body.
  • the fifth end portion is provided with an assembly hole equipped with a rotation recognition device, and a side portion of the fifth segment is further provided with a fixing hole that is electrically connected to the assembly hole, and the second segment has a diameter larger than the diameter of the first segment, the transition The segment diameter is greater than the first segment diameter being smaller than the second segment diameter, the third segment diameter being greater than the second segment and the fourth segment diameter, the fifth segment diameter being less than the fourth segment diameter.
  • the rotating shaft is divided into 5 sections, and the corresponding matching device can be set in different sections to make the rotating shaft rotate stably, does not shift during the rotation, the rotation angle recognition is more accurate, the rotation angle is limited, and the safety is improved.
  • the invention has a limit structure for limiting the rotation angle of the rotating shaft outside the third section of the rotating shaft, the limiting plate of the limiting structure is engaged with the rotating shaft, and two springs are arranged between the limiting plate and the bottom of the vehicle body, two The springs are respectively arranged on both sides of the rotating shaft, and the rotating shaft rotates to drive the limiting plate.
  • the limiting plate and the bottom of the vehicle body are provided with two springs, which can effectively limit the rotation angle, and the steering has a certain resistance, which is convenient for control, and will not be used.
  • the rotation is too large, and the spring provides a resilience to reset the axis of rotation, allowing the user to control the direction.
  • FIG. 1 is a schematic view of an electric balance vehicle according to an embodiment of the present invention.
  • FIG. 2 is a schematic exploded view of an electric balance vehicle according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a control lever of an electric balance vehicle according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a rotating shaft of an electric balance vehicle and a matching structure thereof according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a rotating shaft of an electric balance vehicle according to an embodiment of the present invention.
  • FIG. 6 is an illustration of an electric balance vehicle indicating a limit plate according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a control floor of an electric balance vehicle according to an embodiment of the present invention.
  • an electric balance vehicle 1 includes a vehicle body 2, wheels 3, a drive motor 4 for driving the wheels 3, a power source 5 for supplying power, a circuit board, and a control lever 6,
  • the power supply 5 and the circuit board are disposed in the vehicle body 2
  • the wheel 3 includes two wheels 3
  • two wheels 3 are respectively disposed on two sides of the vehicle body 2
  • the driving motor 4 includes two driving motors 4.
  • Two drive motors 4 are respectively disposed on both sides of the vehicle body 2, and the drive shaft of the drive motor 4 is caught in the axle of the wheel 3.
  • the power source 5 includes one or more batteries. If a plurality of batteries are evenly distributed in the vehicle body 2, for example, two batteries are respectively disposed on the left and right sides or the upper and lower sides of the vehicle body 2, for example, three batteries are arranged in a triangle shape. In the vehicle body 2, for example, four batteries are respectively disposed in the upper left, upper right, lower left, and lower right places in the vehicle body 2.
  • the battery uses a battery such as a lithium battery, and the batteries are relatively heavy, and the plurality of batteries are equally favorable for the vehicle.
  • Body 2 is balanced in weight, stable in center of gravity and easy to control.
  • the control lever 6 is disposed on the front side of the vehicle body 2 in one direction with the moving direction.
  • the control lever 6 is perpendicular to the vehicle body 2.
  • the control lever 6 includes an upper armrest portion 61, a lower control portion 62, and a connecting rod 65 that connects the armrest portion 61 and the control portion 62.
  • the armrest portion 61 is used for the user's two-hand control, and includes a first connecting portion 66 fixedly connected to the connecting rod 65.
  • the first connecting portion 66 is respectively provided with a first handle and a second handle for the user's hand, the first handle and The second handle is provided with an anti-slip pattern.
  • the first connecting portion 66 is curved and curved outward, the first handle and the second The handle is disposed at an outwardly curved position of the curved first connecting portion 66, that is, the first handle and the second handle are more outward than the connecting rod 65, which is convenient for the user to grip.
  • the first handle and the second handle are cylindrical, the first connecting portion 66 is elongated, and the first connecting portion 66 connects the first handle and the second handle portion into a cylindrical shape to strengthen the connection strength.
  • the connecting rod 65 includes a long straight portion 67 that connects the armrest portion 61, and a curved portion 68 that connects the control portion 62, which is bent toward the front side of the vehicle body 2 and then vertically down. Convenient for user control, the armrest portion 61 of the lever 6 maintains a convenient distance for the user to control the grip.
  • the connecting rod 65 can be used with two parallel rods to enhance the strength.
  • the control portion 62 includes a second connecting portion 63 fixedly coupled to the connecting rod 65, and the second connecting portion 63 passes through the front side of the vehicle body 2.
  • the second connecting portion 63 is cylindrical, and may of course have other shapes such as a square or the like.
  • the second connecting portion 63 is internally divided into two sections, and a section of the vehicle body 2 is provided with a square connecting hole 64 and the other section is a hollow section.
  • a rotating shaft 7 is embedded in the square connecting hole 64.
  • the rotating shaft 7 includes a square first segment 71 embedded in the square connecting hole 64 of the second connecting portion 63.
  • the end portion of the square first segment 71 is provided with an inserting hole 711, and the square first
  • the first connecting through hole 712 and the second connecting through hole 713 are disposed on the side of the segment 71, and the first connecting through hole 712 near the end of the two connecting through holes is electrically connected to the embedded hole 711.
  • the cover is inserted into the insertion hole 711, and the end of the cover covers the hollow portion of the connection portion, and the insertion hole 711 functions to fix the cover, and the cover can function to protect the rotating shaft 7 from water.
  • the portion of the cover that is snapped into the insertion hole 711 is provided with two protrusions corresponding to the connection through hole, which can enhance the fixing effect.
  • the second connecting through hole 713 of the two connecting through holes away from the end portion balances the air pressure between the space between the first segment 71 of the rotating shaft 7 and the connecting portion of the control rod 6 and the external space, and is convenient for disassembly and assembly.
  • the rotating shaft 7 further includes a cylindrical second section 72.
  • the second section 72 is provided with a first bearing 721.
  • the first bearing 721 is disposed in the first bearing seat 722, and the first bearing seat 722 is fixed in the vehicle body 2. bottom.
  • the rotating shaft 7 further includes a cylindrical third section 73 having a larger diameter than the second section 72.
  • the third section 73 is provided with a limiting structure externally, limiting the third section 73, that is, the entire rotating shaft 7 rotation angle. Limiting the rotation angle of the rotating shaft 7 prevents danger caused by too large angle during the steering process, especially in the case of an unexpected situation, the excessive rotation angle causes danger, such as sudden child rushing out and turning at a large angle and operating out of control.
  • the bottom of the third section 73 of the rotating shaft 7 is provided with a notch 732.
  • the cylindrical bottom of the third section 73 is partially removed to form the notch 732.
  • the top of the notch 732 is flat, and the limiting structure includes a limit disposed under the third segment 73.
  • the plate 731 and the limiting plate 731 are inserted into the notch 732 in the middle.
  • the thickness of the limiting plate 731 is smaller than the height of the notch 732, that is, the bottom surface of the limiting plate 731 is lower than the bottom surface of the third segment 73.
  • the two ends of the limiting plate 731 extend beyond the third segment 73.
  • Two clamping plates 733 are vertically disposed on the limiting plate 731.
  • the two clamping plates 733 clamp the rotating shaft 7 from both sides of the third segment 73 of the rotating shaft 7.
  • the two sides of the limiting plate 731 are matched with the notch 732, that is, the width of the limiting plate 731 is the same as or similar to the width of the notch 732, and the width of the limiting plate 731 is slightly larger than the width of the notch 732.
  • the limiting plate 731 is fixedly connected with the rotating shaft 7 and the limiting plate is fixed.
  • the width of the 731 is slightly smaller than the width of the notch 732 to facilitate the insertion of the limiting plate 731 into the notch 732.
  • the limiting plate 731 and the bottom of the vehicle body 2 are provided with two springs 734, and two springs 734 are respectively disposed on both sides of the rotating shaft 7.
  • the rotating shaft 7 rotates, and the notch 732 of the third section 73 of the rotating shaft 7 drives the limiting plate 731 to rotate, and the limiting plate 731 rotates the pressing spring 734.
  • the spring 734 compresses and generates an elastic force to effectively limit the rotation angle of the rotating shaft 7, and provides a resilience force.
  • the rotating shaft 7 is reset, and the clamping plate 733 can prevent the limiting plate 731 from being displaced and provide pressure to the limiting plate 731, which can give the spring 734 a greater pressure and generate a larger restoring force.
  • the limiting structure includes a limiting plate 731 passing through the control through hole, the two ends of the limiting plate 731 extend beyond the third segment 73, and the limiting plate 731
  • the side is matched with the control through hole, that is, the width of the limiting plate 731 is the same as or similar to the width of the control through hole, and the width of the limiting plate 731 is slightly larger than the width of the control through hole, and the limiting plate 731 is fixedly connected with the rotating shaft 7, and the width of the limiting plate 731 is fixed. Slightly smaller than the width of the control through hole, the limit plate 731 is inserted into the notch 732.
  • the limiting structure further includes two springs 734 disposed between the limiting plate 731 and the bottom of the vehicle body 2, and the two springs 734 are respectively disposed on both sides of the rotating shaft 7.
  • the rotating shaft 7 rotates, the third section 73 of the rotating shaft 7 controls the through hole to drive the limiting plate 731 to rotate, the limiting plate 731 rotates the pressing spring 734, and the spring 734 compresses and generates the elastic force to effectively limit the rotation angle of the rotating shaft 7, and provides the resilience.
  • the rotating shaft 7 is reset.
  • a fixing structure of the fixing limiting plate 731 and the spring 734 may be added between the limiting plate 731 and the spring 734.
  • the fixing structure includes a first screw hole 735 and a screw on the limiting plate 731, and one end of the screw and the first screw The hole 735 is fixed and the other end projects into the spring 734.
  • the bottom surface of the limiting plate 731 is provided with a spring 734 limiting portion.
  • the spring 734 limiting portion may be a recess provided on the bottom surface of the limiting plate 731.
  • One end of the spring 734 is inserted into the recess, and the recess may be a circular recess.
  • the end of the spring 734 can also be an annular recess, and the annular end of the end of the spring 734 snaps into the annular recess to better grip the end of the spring 734.
  • the circular recess or the annular recess may be a whole circular or annular shape, or may be partially circular or annular, and the spring 734 partially exposes the limiting plate 731.
  • the end portion of the recess protrudes inwardly to form an inner protrusion that catches the end of the spring 734 to enhance the fixing effect.
  • the protrusion 736 of the spring 734 may also be a protrusion limiting portion 736 provided by the limiting plate 731.
  • the protruding limiting portion 736 is a circular protruding limiting portion 736 that catches the end of the spring 734 and catches the end of the spring 734.
  • the protruding limiting portion 736 can also An annular projection restricting portion 736 is caught at the end of the spring 734, and the annular end portion of the end of the spring 734 is caught in the annular recess to better catch the end of the spring 734.
  • the circular protrusion restricting portion 736 or the annular protruding restricting portion 736 may be a whole circular or annular shape, or may be partially circular or annular, and the spring 734 partially exposes the limiting plate 731.
  • the end portion of the protruding restricting portion 736 protrudes inwardly to form an inner protruding portion that catches the end portion of the spring 734 to enhance the fixing effect.
  • the bottom of the vehicle body 2 is also provided with a spring 734 restriction similar to that described above.
  • the rotating shaft 7 further includes a cylindrical fourth section 74.
  • the fourth section 74 is provided with a second bearing 741.
  • the second bearing 741 is disposed in the second bearing housing 742, and the second bearing housing 742 is fixed in the vehicle body 2. bottom.
  • the fourth section 74 has the same diameter as the second section 72.
  • the first bearing 721 and the second bearing 741 have the same bearing, and the first bearing housing 722 and the second bearing housing 742 have the same bearing housing.
  • the rotating shaft 7 also includes a cylindrical fifth section 75 that is smaller in diameter than the fourth section 74.
  • the fifth segment 75 is provided with a rotation recognition device potentiometer 8 for identifying the angle of rotation.
  • the end of the fifth segment 75 is provided with a mounting hole 751, and the rotating shaft of the potentiometer 8 is snapped into the mounting hole 751.
  • the mounting hole 751 is fixedly connected with the potentiometer shaft 81, and the mounting hole 751 can be set to match the shape of the potentiometer shaft 81, such as a potential.
  • the rotating shaft 81 is gear-shaped, and the fitting hole 751 is provided in a gear shape matched thereto.
  • the fitting hole 751 is also provided in a circular shape but the aperture is slightly smaller than the potentiometer shaft 81 to form an interference fit.
  • a fixing hole 752 which is electrically connected to the mounting hole 751 is further disposed on the side of the fifth segment 75. The potentiometer rotating shaft 81 extends into the mounting hole 751, and the potentiometer rotating shaft 81 is fixed from the side in the fixing hole 752.
  • the fifth segment 75 can also be provided with a non-contact rotation sensor of the rotation recognition device.
  • the rotation sensor is a non-contact angle sensor. Two sensors are built in to correct each other, mainly to correct each other. When the hand is turned to turn the handlebar, the steering angle sensor transmits the signal to the main control board in the board to control the direction of travel of the entire vehicle.
  • the rotation sensor is disposed on a small circuit board which is disposed on the end of the fifth section 75 of the rotating shaft 7, and may also be disposed in the fifth section 75.
  • the non-contact angle sensor has a long service life, close to infinity, and it does not have contact wear.
  • the vehicle body 2 includes an upper cover 21 and a bottom cover 22, and the bottom cover 22 is provided with a spring 734 restricting portion corresponding to the spring 734.
  • the control base plate 23 may be disposed in the vehicle body 2.
  • the control bottom portion is disposed below the rotating shaft 7 and the spring 734, and is disposed above the bottom cover 22 of the vehicle body 2.
  • the control bottom plate 23 is fixed on the bottom cover 22 of the vehicle body 2, and the bottom plate is controlled.
  • the spring 734 is provided with a spring 734 restricting portion.
  • the bottom cover 22 or the control base plate 23 is provided with a thickening plate 24 corresponding to the restriction portion of the spring 734, a notch is provided in the thickening plate 24, or a protruding restriction portion 736 is provided on the thickening plate 24 to improve the effect of the fixing spring 734.
  • the bottom cover 22 or the control bottom plate 23 may be provided with a second bolt hole of the fixing spring 734 corresponding to the spring 734. One end of the screw is fixed to the second screw hole 25 and the other end is caught in the spring 734 to prevent the spring 734 from moving.
  • the control base plate 23 is also fixedly coupled to the first bearing housing 722 and the second bearing housing 742 by bolting or the like.
  • One end of the control bottom plate 23 remote from the control rod 6 is provided with a support plate 26, which vertically controls the bottom plate 23.
  • a support through hole 27 is provided on the support plate 26.
  • the support through hole 27 can also be used to support the potentiometer 8.
  • the support plate 26 is also used to support a small circuit board equipped with a non-contact angle sensor. The overall stability of the rotating mechanism is improved, the stability of the rotating shaft 7 is improved, and the accuracy of the rotation is improved.
  • the first segment 71, the second segment 72, the third segment 73, the fourth segment 74 and the fifth segment 75 of the rotating shaft 7 are sequentially connected, and may be integrally formed on the same axial line or may be separately processed and then spliced and fixed. to make.
  • a transition section 76 is further disposed between the first section 71 and the second section 72.
  • the transition section 76 has a diameter between the diameter of the first section 71 and the diameter of the second section 72.
  • the first section 71 is engaged in the control rod 6, the first section
  • the second section 72 snaps into the first bearing 721 and the transition section 76 is suspended.
  • the transition section 76 allows a gap to exist between the first section 71 and the second section 72, that is, there is a gap between the lever 6 and the first bearing 721 without affecting the rotation.
  • the rotating shaft 7 first passes through the first bearing housing 722 and the second bearing housing 742, and then the first bearing 721 and the second bearing 741 are engaged from both ends of the rotating shaft 7, and the second section 72 and the fourth of the rotating shaft 7
  • the segment 74 cooperates, the third segment 73 of the rotating shaft 7 has a larger diameter than the second segment 72 and the third segment 73, and the first bearing 721 and the second bearing 741 are thirdly constrained from both sides of the third segment 73 of the rotating shaft 7.
  • the axial and radial movement of the segment 73 while also limiting the axial and radial movement of the rotating shaft 7, allows the rotating shaft 7 to rotate under the constraints of the first bearing 721 and the second bearing 741 without offset.
  • the bearing seat can function well to support the rotating shaft 7, and the supporting bottom plate 23 can better fix the supporting rotating shaft 7, which has a good stability effect during the rotation of the rotating shaft 7, and obtains a good rotation. Precision. It is of course also possible to omit the fourth section 74 of the rotating shaft 7, the second bearing 741 and the second bearing seat 742 that cooperate therewith, and also provide a good effect of fixing the supporting rotating shaft 7.

Abstract

La présente invention concerne un véhicule à équilibrage électrique (1), comprenant un corps (2), des roues (3), un moteur d'entraînement (4) utilisé de manière à entraîner les roues (3), une source d'alimentation (5) utilisée de manière à fournir de l'énergie, une carte de circuit imprimé, une tige de commande (6) et un arbre rotatif (7). La tige de commande (6) est reliée à demeure à l'arbre rotatif (7), l'arbre rotatif (7) est pourvu d'une troisième section cylindrique (73), l'extérieur de la troisième section (73) étant pourvu d'une structure de limitation qui limite l'angle de rotation de l'arbre rotatif (7), la structure de limitation comprenant une plaque de limitation (731) et des ressorts (734), la plaque de limitation (731) étant en prise avec l'arbre rotatif (7), les deux ressorts (734) étant placés entre la plaque de limitation (731) et une partie inférieure du corps (2), et les deux ressorts (734) sont respectivement placés sur deux côtés de l'arbre rotatif (7). L'extérieur de la troisième section (73) de l'arbre rotatif (7) est pourvu de la structure de limitation qui limite l'angle de rotation de l'arbre rotatif (7), l'arbre rotatif (7) tourne pour entraîner la plaque de limitation (731), et la plaque de limitation (731) et la partie inférieure du corps (2) sont pourvues de deux ressorts (734), de telle sorte que l'angle de rotation est limité, la direction offre une certaine résistance, la commande est facilitée, et les ressorts (734) fournissent une force de rappel pour réenclencher l'arbre rotatif (7) et permettent à un utilisateur de commander facilement la direction.
PCT/CN2016/084974 2016-06-06 2016-06-06 Véhicule à équilibrage électrique WO2017210835A1 (fr)

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CN106043531A (zh) * 2016-06-06 2016-10-26 尚艳燕 一种电动平衡车
CN106043530A (zh) * 2016-06-06 2016-10-26 尚艳燕 一种电动平衡车

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CN108791634A (zh) * 2018-07-26 2018-11-13 浙江萧磊工贸有限公司 一种电动平衡车转动连接装置
CN108791634B (zh) * 2018-07-26 2024-04-12 金华思玛特电动科技有限公司 一种电动平衡车转动连接装置
CN112611157A (zh) * 2020-12-01 2021-04-06 佛山市艾凯电器有限公司 一种阶段式制冷的商务车用车载冰箱

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