WO2019196170A1

WO2019196170A1 - Balance car

Info

Publication number: WO2019196170A1
Application number: PCT/CN2018/088458
Authority: WO
Inventors: 臧传美
Original assignee: 浙江阿尔郎科技有限公司
Priority date: 2018-04-11
Filing date: 2018-05-25
Publication date: 2019-10-17
Also published as: CN108382513A

Abstract

Disclosed is a balance car, comprising an upper shell, a lower shell, two wheels and two pedal assemblies. The two pedal assemblies are mounted on two sides of the upper shell and are rotatably connected relative to the upper shell; the upper shell is provided with through holes, through which the pedal assemblies pass; the two wheels are mounted on the lower shell; and a wheel hub motor is arranged inside each wheel. The design of mounting the two-layered shell and the pedal assemblies of the balance car onto the upper shell in the present invention is beneficial for improving the impact resistance of the pedal assemblies and making same less prone to losing the functionality thereof, and is conducive to controlling the balance car.

Description

Title of the invention: Balance car

Technical field

The present invention relates to a balance car.

Background technique

[0002] The balance 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 change of the car body posture, and using servo control The system, the drive motor is adjusted accordingly to maintain the balance of the system. It is a new type of green environmental protection product used by modern people as a means of transportation and recreation. Generally, the two-wheeled balance car mainly includes two left and right car bodies, a rotating mechanism connecting the left and right car bodies, and two axles with axles. Hub motor, pedal between two hub motors, etc.

[0003] There are many types of balance vehicles involved, but most of them have the following problems.

[0004] Some balance car pedals do not rotate relative to the vehicle body, and the maneuverability is not strong; when the pedals are rotatable relative to the balance car, usually only one layer of the skeleton is included, and the pedals are disposed on the skeleton of the vehicle. The two-layer balance car is to set the pedal to the lower case, and the balance car frame or the lower case are easily impacted when the obstacle is overcome, which reduces the service life of the pedal and its components to a certain extent, and the control and Installation and maintenance are inconvenient. Summary of invention

technical problem

Problem solution

Technical solution

[0005] The present invention relates to a balance car, which solves the above problems well, has a clever structure, is convenient to install, and is durable.

The present invention is achieved by the following technical solutions:

[0007] a balance car comprising: an upper casing, a lower casing, two wheels and two pedal assemblies, two pedal assemblies are mounted on two sides of the upper casing, the two pedal assemblies are rotatably connected with respect to the upper casing, and the upper casing is provided with a pedal The through hole through which the component passes, the two wheels are mounted on the lower casing, and each wheel has a built-in hub motor. Through the above technical solution, the pedal assembly is rotatably connected with respect to the upper casing, and the steering control of the balance vehicle can be completed by using the pedal assembly; When the car is over obstacle, the direct impact on the lower case will not extend to the upper case. The pedal assembly is mounted on the upper case, which is beneficial to improve the impact resistance of the pedal assembly and not easily lose its functionality, which is beneficial to the control of the balance car. .

As a further improvement of the present invention, each of the pedal assemblies includes a pedal, a touch member and a base. The pedal is located above the touch member, and the touch member is located on the base, and the base is rotatably disposed relative to the upper case. Through the above technical solution, the touch component is located on the base, and when the operator steps on the pedal, the operator leans forward and the like, so that the pedal acts on the touch component, and the touch component triggers each sensor to collect information, and completes the pair. Balance the handling of the car.

[0009] As a further improvement of the present invention, each of the pedal assemblies is mounted on the upper casing via a support frame, and the base is rotatably coupled to the support frame, and the support frame is mounted on the upper casing. Through the above technical solution, the setting of the support frame can facilitate the rotation of the base and the upper casing, and the installation and maintenance are more convenient.

[0010] As a further improvement of the present invention, elastic members for returning the base are disposed on both sides of the rotating shaft of the support frame and the base. According to the above technical solution, the elastic member can be a spring or an elastic column, and the elastic member resets the base when the external force is removed after the base is rotated and tilted.

[0011] As a further improvement of the present invention, the pedal includes a tread and a pressing plate, and the pressing plate is located between the tread and the touch member, and the lower surface of the pressing plate has a downwardly protruding pressing portion, and the pressing portion and the touch member contact. Through the above technical solution, the pedal is controlled by the touch device.

[0012] As a further improvement of the present invention, the lower surface of the tread has a downwardly disposed buckle post for passing through the base, and the lower portion of the buckle post has a flange for preventing the tread from coming off the base, and the base is at the corresponding position. A through hole is provided. Through the above technical solution, the setting of the buckle post facilitates the guiding of the tread skin, the flange is arranged to prevent the buckle post from coming off the base, the material of the buckle post is rubber, etc., the flange can be set as a large and small cone The shape is favorable for inserting the buckle post into the corresponding through hole without reversely coming out.

[0013] As a further improvement of the present invention, the lower surface edge of the tread has a downwardly disposed first protrusion, the first protrusion is a ring-shaped closed shape; and the lower surface of the tread has a direction The second protruding portion is disposed under the second protruding portion, and the second protruding portion and the first protruding portion are spaced apart from each other. Through the above technical solution, the first protruding portion of the ring-shaped closed shape is favorable for the lateral limit of the tread skin, and also plays a role of resetting the tread to some extent; the setting of the second protruding portion is favorable for the lateral direction of the tread skin The limit, to a certain extent, also plays a role in the reduction of the tread. [0014] As a further improvement of the present invention, the pedal assembly further includes a lower pedal having a third protrusion adapted to an interval between the first protrusion of the step and the second protrusion. And a through hole 2 for the touch member to pass through. According to the above technical solution, the third protruding portion is trapped in the space between the first protruding portion and the second protruding portion, and the lateral position of the tread can be restricted, and the through hole 2 is beneficial to the vertical movement of the tread skin. Orientation.

[0015] As a further improvement of the present invention, the tread is further provided with an elastic column downwardly, and the root of the elastic column is connected with the tread, and the free end of the elastic column can pass through the pressing plate to abut against the lower pedal, which can be used for the reset of the tread skin. . According to the above technical solution, the setting of the elastic column can also assist the reset after the tread is depressed.

[0016] As a further improvement of the present invention, a sensor for sensing position information of the touch member is mounted at a position below the base. Through the above technical solution, the sensor can be a photoelectric sensor, a pressure sensor, etc., to measure the position information of the touch component, and complete the sensing of the balance vehicle state information.

[0017] According to the present invention, the advantages of the prior art are:

[0018] The pedal assembly is mounted to the upper casing and rotatable relative to the upper casing, thereby improving maneuverability on the one hand and improving the seismic performance of the balance pedal assembly on the other hand, increasing the service life thereof.

The above and other objects, features, and advantages of the present invention will become more apparent from the description of the appended claims appended claims

Advantageous effects of the invention

Brief description of the drawing

DRAWINGS

1 is a schematic diagram of an overall structure of a balance vehicle according to an embodiment of the present invention;

2 is a schematic structural view of a pedal assembly mounted on a support frame according to an embodiment of the present invention;

[0022] FIG. 3 is an exploded view of a pedal assembly according to an embodiment of the present invention;

4 is a schematic structural diagram of a base and a touch component according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a touch device according to an embodiment of the present invention; FIG.

6 is a schematic structural diagram of a lower pedal according to an embodiment of the present invention;

7 is a schematic structural view of another lower angle of a lower pedal according to an embodiment of the present invention;

8 is a schematic structural view of a tread according to another embodiment of the present invention;

FIG. 9 is a schematic structural diagram of an upper case according to an embodiment of the present invention; FIG. 10 is a schematic view showing another angle structure of an upper case according to an embodiment of the present invention;

[0030] FIG. 11 is a schematic structural diagram of a handle portion according to an embodiment of the present invention;

[0031] FIG. 12 is a schematic structural view of a fender according to an embodiment of the present invention;

FIG. 13 is a schematic structural diagram of a lower case according to an embodiment of the present invention; FIG.

[0033] FIG. 14 is a schematic structural view of a mount and a wheel according to an embodiment of the present invention.

[0034] In the figure: upper case 1, wheel 2, lower case 3, pedal assembly 4, axle 21, mounting seat 22, fixing base 301, tread 49, pressure plate 41, lower pedal 48, touch member 42, base 43, Support frame 47, arched portion 103, spacing groove 106, handle portion 11, top 110, bottom portion 114, curved extension portion 111, strip-112, card strip 107, mounting ear 113, snap post-1101 , the buckle post 2 108 , the first through hole 105 , the first protruding portion 491 , the second protruding portion 492 , the buckle post 493 , the flange 494 , the elastic column 495 , the pressing portion 411 , the touch member 42 , the first The third protruding portion 484, the through hole 482, the through hole 2 483, the light groove 481, the light cover 480, the pressure receiving portion 421, the flange 423, the touch piece 424, the deformation portion 425, the positioning column 422, The rotating shaft 433, the sleeve 46, the support frame 47, the cover plate 45, the positioning hole 432, the limiting portion 431, the positioning ring 471, the circuit board 2, the fender 7, the light cover plate 72, the connecting ear 71, and the connecting hole 101, circuit board one.

Invention embodiment

detailed description

[0035] In order to further illustrate the technical means and functions of the present invention for achieving the intended purposes of the present invention, the following detailed description of the embodiments, features, features and The description is as follows.

[0036] In the description of the present application, it is to be understood that the orientation or positional relationship of the terms "upper", "lower", "high", "low", etc., is based on the orientation or positional relationship shown in the drawings. The present application and the simplification of the description are merely for the purpose of describing the present invention and the simplification of the present invention, and it is not intended to limit the scope of the present application.

[0037] In the present application, the terms "installation", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless otherwise explicitly stated and defined. Or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal connection of the two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood on a case-by-case basis. Embodiment 1

[0039] A balance car, referring to FIG. 1 to FIG. 14, includes an upper casing 1, a wheel 2, a lower casing 3 and a pedal assembly 4, and the axle 21 of the wheel 2 is mounted to the fixing base 301 of the lower casing 3 through the mounting seat 22. Above, a portion of the pedal assembly 4 is located in a space in which the upper casing i and the lower casing _{3 are} closed, and another portion of the pedal assembly 4 protrudes from the upper casing 1.

Referring to FIG. 1, FIG. 2, and FIG. 3, the pedal assembly 4 includes a tread 49, a pressure plate 41, a lower pedal 48, a touch member 42, a base 43, and a support frame 47.

[0041] Referring to FIG. 1, FIG. 9, FIG. 10, the middle portion of the upper casing 1 has an arch portion 103, and the arch portion 103 is longitudinally disposed. Both ends of the arch portion 103 are connected to the main body of the upper casing 1, and the arch portion is A spacing groove 106 is formed between the body of the upper casing 1 and a handle portion 11 corresponding to the spacing groove is disposed below the spacing groove 106. The handle portion 11 includes an arched top portion 110 connecting the top two a flat bottom portion 114 of the end, a through groove is formed between the top and the bottom, and the left and right sides of the bottom portion of the handle portion 11 have an arc-shaped extending portion 111 extending outwardly, and the arc-shaped extending portion has a strip 112, the strip The shape of one is a hook shape, and the upper casing 1 has a card strip 107 at a corresponding position, and the shape of the card strip 2 is engaged with the card strip, and can be trapped in the inwardly recessed hook valley of the hook-shaped strip 1 The front and rear sides of the handle portion 11 have mounting ears 113. The upper surface of the handle portion 11 has a snap post 1101 or a snap hole, and the number is three. The upper shell 1 has a corresponding number of snap holes or cards at corresponding positions. Buckle two 108. The top surface of the top portion 1 10 has a card strip disposed along the top edge, and the upper shell is provided with a card slot that is engaged with the card strip at a corresponding position. The two sides of the upper casing 1 are symmetrically disposed along the arch portion 103, and the first through holes 105 for exposing the base 43 in the pedal assembly 4 are opened on both sides of the upper casing 1. A display screen is mounted at the front of the handle 3, and a display fixture 9 is provided below the display to secure the display.

Referring to FIG. 1 , FIG. 3 and FIG. 8 , the lower surface of the tread 49 has a first protruding portion 491 and a second protruding portion 492 disposed downward, and the first protruding portion 491 is a ring-shaped closed shape. The circumscribing edge is disposed so that the middle portion of the body of the tread is formed with a groove, and the second protrusion 492 is disposed within a range enclosed by the first protrusion 491, and the second protrusion 492 and the first protrusion There is a space between the portions 491 so as to form a groove therebetween. In the range enclosed by the second protrusion 492, the body of the tread 49 is downwardly provided with a button for bucking the tread 49 therein. The number of the buckle posts 493 on the lower part is preferably four, and the lower part of the buckle post 493 has a flange 494 for preventing the stepping of the tread 49, and the flange can be arranged in a large and small conical shape. It is advantageous to insert the buckle post into the corresponding through hole without reversely coming out.

[0043] Please refer to FIG. 2 and FIG. 3, the pressure plate 41 has a through hole for the insertion of the buckle post 493, and the number of the through holes and the buckle The number of the columns is the same, and the lower surface of the pressure plate 41 has a pressing portion 411 disposed downward, and the pressing portion is cylindrical, and the pressing portion 411 can touch the touch member 42.

[0044] Referring to FIG. 2, FIG. 6, FIG. 7, the middle portion of the lower pedal 48 is horizontal, and both end portions are curved downwardly, so that the lower pedal is similar to the arch shape, and the middle portion of the lower pedal 48 has a downward recess having a third projection 484 therein, the third projection 484 being engageable in a recess between the first projection and the second projection of the tread 49 Limit the lateral position of the tread. The space surrounded by the third protruding portion further has another downwardly recessed recess having a through hole 482 through which the shackle 493 passes and a through hole for the pressing portion 411 to pass through. In the second hole 483, the number and position of the through hole one correspond to the number and position of the buckle column, and the number is four; the number and position of the through hole two correspond to the number and position of the pressing portion, and the number is two. The arcuately extending portions of the two ends of the pedal have a light slot 408 for the installation of the light panel and a light cover 480 attached to the light slot. In other embodiments, the shape of the lower pedal can be adapted.

4 and FIG. 5, the touch member 42 has a pressure receiving portion 421 for contacting the pressing portion 411, and a flange 423 for mounting. The pressure receiving portion has a cylindrical shape and a pressure receiving portion. The lower part has a touch piece 424, the touch piece is in the form of a sheet, and the cross section is oblong or rectangular. The pressure receiving portion 421 is connected to the flange 423 by a deformation portion 425 which is downwardly narrow and wide and has a bell mouth shape. There is a positioning post 422 on the second.

Referring to FIG. 2 and FIG. 3, the base 43 has a rotating shaft 433. The rotating shaft 433 is connected to the support frame 47 through a sleeve 46. The sleeve 46 is provided with a cover plate 45 for mounting the sleeve on the support frame. A through slot is formed in the base for mounting the touch component 42. The positioning post 422 is inserted into the positioning hole 432 of the base. The pressure receiving portion 421 is located above the fixing slot, and the touch piece 424 is located below the through slot.

[0047] The left and right sides of the support frame 47 are upwardly protruded from the support ears for supporting the rotating shaft, and the support frame is provided with a rectangular through hole between the two support ears. A positioning ring 471 or a positioning hole is provided on the front and rear sides of the support frame 47.

[0048] An elastic member for returning the base is further disposed between the base 43 and the support frame 47. The lower end of the elastic member abuts against the positioning ring 471 of the support frame 47, and the upper end of the elastic member is sleeved on the limiting portion 431 of the base. on. The base 43 further has a through hole for the buckle post 493 to pass through and the flange 494 is limited. The number of the through holes is the same as the number of the buckle posts. When installed, the buckle post 493 on the tread 49 passes through the corresponding through hole in the pressure plate 41, passes through the corresponding through hole on the lower pedal 48, and then passes through the corresponding through hole on the base 43, the flange 494 can prevent the buckle post 493 from coming out of the through hole after passing through the base 43 , and the elastic column 495 is also disposed downward on the tread 49 , the number is three The three elastic columns are located in a range surrounded by four buckle posts, and the root of the elastic column 495 is connected to the tread 49, and the free end of the elastic column passes through the pressing plate 41 to abut against the lower pedal 48, which can be used for the tread skin 49. Reset.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the circuit board 2 is mounted on the support frame 47 or below the base 43 , between the support frame 47 and the base 43 . The support frame 47 is mounted on the upper case 1 . On the circuit board 2, a sensor for sensing the position information of the touch piece 424 of the touch member is provided.

[0050] Referring to FIG. 10 and FIG. 12, the two sides of the upper casing 1 are connected with a fender 7, and the portion of the fender 7 covered on the wheel has a light trough 2 and a light cover plate 72, and the fender is connected. The position of the shell 1 has connecting ears 71, three connecting ears, one upper and two lower. The upper shell 1 is provided with a mounting hole at a corresponding position in the upper portion, and two connecting holes 101 are provided at corresponding positions in the lower portion.

[0051] The battery is mounted to the middle portion of the lower case 3 through the battery case 5, and the circuit board 8 is mounted on the battery case 5.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Although the present invention has been disclosed in the preferred embodiments, it is not intended to limit the present invention. A person skilled in the art can make some modifications or modifications to the equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. The technical modifications of the invention, any simple modifications, equivalent changes and modifications to the above embodiments are still within the scope of the technical solutions of the present invention.

Claims

Claim

[Claim 1] A balance vehicle, comprising: an upper casing (1), a lower casing (3), two wheels (2), and two pedal assemblies (4), the two pedal assemblies being mounted on both sides of the upper casing, The two pedal assemblies are rotatably connected with respect to the upper casing, and the upper casing is provided with a through hole (105) for the pedal assembly to pass through.

The two wheels are mounted on the lower casing, and each wheel has a built-in hub motor.

[Claim 2] The balance vehicle according to claim 1, wherein each of the pedal assemblies includes a pedal, a touch member (42), and a base (43), the pedal is located above the touch member, and the touch member is located On the base, the base is rotatably disposed relative to the upper case.

[Claim 3] The balance car according to claim 2, wherein each of the pedal assemblies is mounted on the upper casing via a support frame (47), and the base is rotatably coupled to the support frame, and the support frame is mounted. On the upper shell.

[Claim 4] The balance car according to claim 3, wherein an elastic member for returning the base is provided on both sides of the rotating shaft to which the support frame and the base are rotatably coupled.

[Claim 5] The balance car according to claim 2, wherein the pedal comprises a tread (49) and a pressing plate (41), the pressing plate is located between the tread and the touch member, and the lower surface of the pressing plate has a direction a lower pressing portion (411), the pressing portion is in contact with the touch member.

[Claim 6] The balance car according to claim 5, wherein the lower surface of the tread has a downwardly disposed buckle post (493) for passing through the base, and the lower portion of the buckle post has a step preventing The skin is provided with a flange (494) of the base, and the base is provided with a through hole at a corresponding position.

[Claim 7] The balance car according to claim 6, wherein the lower surface edge of the tread has a downwardly disposed first projection (491), and the first projection (491) is a ring-shaped closed shape; the lower surface of the tread skin further has a second protruding portion (492) disposed downward, and the second protruding portion is disposed within a range enclosed by the first protruding portion, and the second protruding portion There is a gap between the portion and the first projection.

[Claim 8] The balance vehicle according to claim 5 or 6 or 7, wherein the pedal assembly further includes a lower pedal (48) having a first protrusion and a second step on the lower pedal a third protrusion (484) adapted to the interval between the protrusions, and a through hole for the touch member to pass through

(483).

[Claim 9] The balance car according to claim 8, wherein the tread (49) is further provided with an elastic column (495), and the root of the elastic column (495) is connected to the tread (49). The free end of the spring column passes through the pressure plate (41) against the lower pedal (48) and can be used to reset the tread (49).

[Claim 10] The balance vehicle according to claim 2 or 3 or 4 or 5 or 7 or 9, wherein a sensor for sensing positional information of the touch member (42) is mounted at a position below the base.