CN215752802U - Balance car controller wiring structure - Google Patents

Abstract

The utility model discloses a wiring structure of a balance car controller, which comprises a controller assembly, wherein the controller assembly comprises a controller and an installation part, and the controller is fixed on the penetrating end of a motor shaft of a wheel through the installation part; the motor shaft is fixedly connected with a balance car body, and the controller comprises a plurality of wiring sockets facing the balance car body and used for connecting the controller with parts in the balance car body. The method has the advantages that the controller and the wheels of the balance car are modularized, so that the problem that the existing balance car is complicated in installation steps is solved; meanwhile, the wiring socket is arranged on the controller, so that the controller is convenient to rapidly wire with parts in the vehicle body, and the assembly efficiency is improved.

Description

Balance car controller wiring structure

Technical Field

The utility model relates to the technical field of balance cars, in particular to a wiring structure of a balance car controller.

Background

At present, two-wheeled balance cars are developed rapidly in these years, and include early purely mechanical balance cars and later developed electric balance cars, which can be used for sports competition and leisure entertainment and are very popular among people in all countries. The electric balance car needs a controller to control the starting, running speed, traveling direction and the like of the balance car. And the controllers of most current two-wheeled electrodynamic balance cars are all located the balance car casing for the installation procedure of balance car is loaded down with trivial details, can't realize the quick installation of modularization, and the manufacturing cost of balance car is higher. The controller is arranged on the wheels of the balance car, which causes the controller to be difficult to wire with other parts and increases the production time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a wiring structure of a balance car controller.

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

a wiring structure of a balance car controller comprises a controller assembly, wherein the controller assembly comprises a controller and an installation part, and the controller is fixed on a penetrating end of a motor shaft of a wheel through the installation part; the motor shaft is fixedly connected with a balance car body, and the controller comprises a plurality of wiring sockets facing the balance car body and used for connecting the controller with parts in the balance car body.

Preferably, the installation department includes the fixing base, the controller with fixing base fixed connection, the fixing base with the end fixed connection that pierces through of motor shaft.

Preferably, the mounting part further comprises a fixing cover, and the controller is located between the fixing cover and the fixing seat; the fixing cover is provided with a plurality of windows, and the wiring jacks correspond to the windows one to one and penetrate through the windows to be exposed.

Preferably, the controller is a circular circuit board, and the wiring sockets are distributed along the edge arc of the circular circuit board.

Preferably, the wiring socket is exposed out of the vehicle body, the vehicle body comprises an upper shell and a lower shell, a motor shaft fixing seat is arranged on the upper shell or the lower shell, and the wiring socket and the motor shaft fixing seat are distributed in a staggered mode.

Preferably, a wiring harness buckle is arranged on the inner side of the upper shell or the lower shell and used for combing wiring harnesses connected with the wiring jacks; at least one pencil buckle is located the side of motor shaft fixing base.

Preferably, the pencil buckle includes fixed part and shell fragment, the shell fragment with the relative interval setting of lateral wall of motor shaft fixing base has the opening that supplies the pencil to get into.

Preferably, the fixing base is disc-shaped, the controller is a circular circuit board, a first fastening hole is formed in a position, close to the edge, of the fixing base, a second fastening hole is formed in the controller, a first fastening column is arranged on the fixing cover, the first fastening column is located on the inner wall of the fixing cover and protrudes towards the fixing base, a third fastening hole is formed in the first fastening column, and a fastening piece penetrates through the third fastening hole, the second fastening hole and the first fastening hole to fix the fixing cover and the controller on the fixing base.

Preferably, the fixed seat is in a strip shape, and a flat opening structure is arranged at the center of the fixed seat and is used for fixedly connecting the penetrating end of the motor shaft; the controller is a circular circuit board; the both ends of fixing base are the arc surface, with the medial surface looks adaptation of controller, the fixing base with the medial surface joint of controller is fixed.

Preferably, be located the fixing base both ends be equipped with the draw-in groove on the arc surface, the width of draw-in groove with circle annular circuit board thickness looks adaptation, the inboard of circle annular circuit board is equipped with breach and fender platform, two the breach sets up relatively, apart from more than or equal to between the length of fixing base, the fixing base embedding rotate behind the breach and make circle annular circuit board's inboard border card is gone into the draw-in groove, continuously rotate until with it offsets to keep off the platform.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the controller assembly of the balance car is arranged on the wheels of the balance car and used for controlling the operation of the balance car, and the controller is taken out of the car body of the balance car, so that the car body structure of the balance car is favorably reduced, the balance car is more compact, the use requirements of small size and convenience in carrying of the balance car are met, the controller and the wheels of the balance car are modularized, and the problem of complicated installation steps of the existing balance car is solved; meanwhile, the wiring socket is arranged on the controller, so that the controller is convenient to rapidly wire with parts in the vehicle body, and the assembly efficiency is improved.

Drawings

Fig. 1 is a schematic diagram of a partial explosion structure of a wheel of a balance car according to an embodiment of the present invention, which shows a connection manner of a controller and a motor shaft in an embodiment of the present invention.

Fig. 2 is a schematic view of a fixing cover according to a third embodiment of the present invention, which shows the structure of the fixing cover according to the third embodiment.

Fig. 3 is a schematic view of an inner end cap of an embodiment of the present invention, which shows the structure of the outer side wall of the inner end cap in the first and third embodiments.

Fig. 4 is a schematic diagram of a partial explosion structure of a wheel of a balance car according to an embodiment of the present invention, which shows the structure of the fixing base and the controller in the second embodiment.

Fig. 5 is a schematic view of a fixing base according to an embodiment of the utility model, which shows another structure of the fixing base according to the second embodiment.

Fig. 6 is a schematic view of a balance car wheel and a car body shell according to an embodiment of the utility model, which shows a balance car wheel according to a fourth embodiment.

FIG. 7 is a schematic inside view of an inner end cap, a fixing base, and a controller according to an embodiment of the utility model.

Fig. 8 is a schematic diagram of a partial explosion structure of a wheel of a balance car according to an embodiment of the present invention, which shows a connection manner of an inner end cap, a fixing seat, a controller, and a fixing cap in the fifth embodiment.

Fig. 9 is a schematic view of a partial explosion at another angle of the embodiment of fig. 8.

Fig. 10 is a schematic cross-sectional view of the embodiment shown in fig. 8.

FIG. 11 is a schematic view of the embodiment of FIG. 8 coupled to a body shell.

Fig. 12 is a schematic view of an upper housing of an embodiment of the present invention.

Fig. 13 is a schematic view of the lower case of the embodiment of the utility model, which shows the structure of the lower case of the sixth embodiment.

In the figure: 10. a hub motor; 11. a motor shaft; 12. a piercing-out end; 121. positioning a groove; 13. a step; 14. a through hole; 15. an inner end cap; 151. a rotating tank; 152. a second bearing mounting groove; 153. a bearing exposure hole; 154. rotating the groove; 16. a second bearing; 17. a first wire harness; 20. a controller assembly; 21. a controller; 211. a flat mouth structure; 212. a notch; 213. blocking the platform; 214. a second fastening hole; 22. a wiring socket; 23. a fixed seat; 231. a first flat-mouth groove; 232. a first protrusion; 233. a card slot; 234. a first annular side plate; 235. a first fastening hole; 24. a fixed cover; 241. a flat plate; 242. a second annular side plate; 243. a second flat-mouth groove; 244. a second protrusion; 245. a window; 246. a first fastening post; 247. a third fastening hole; 25. a fixing member; 26. a first seal groove; 27. a convex edge; 28. a second seal groove; 30. a vehicle body housing; 31. an upper shell; 311. a first side plate; 32. a lower case; 321. a second side plate; 33. mounting holes; 34. accommodating grooves; 35. a motor shaft fixing seat; 36. wire harness buckling; 361. a spring plate; 362. a fixed part.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, wherein the description of the utility model is given by way of illustration and not of limitation, and certain specific embodiments of the utility model are described, but the utility model is not limited thereto. The specific embodiments described are merely illustrative. The various embodiments may be combined with each other to form other embodiments not shown in the following description. The disclosure is also intended to cover alternatives, modifications, and equivalents. Furthermore, in the following description, numerous specific details are set forth in order to provide a thorough understanding of the disclosed technology to those of ordinary skill in the art. However, embodiments may be practiced without these specific details.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection 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, a 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 utility model, "a number" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" 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 meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

As shown in fig. 1 to 13, the wiring structure of the balance car controller according to the embodiment of the utility model includes a controller assembly, the controller assembly includes a controller and an installation part, and the controller is fixed on a penetrating end of a motor shaft of a wheel through the installation part; the motor shaft is fixedly connected with the balance car body, and the controller comprises a plurality of wiring sockets facing the balance car body and is used for connecting the controller with parts in the balance car body.

The controller of the controller assembly in the embodiment of the utility model is a controller of the balance car, is used for controlling the operation of the balance car, and is taken out from the car body of the balance car, so that the car body structure of the balance car is favorably reduced, the balance car is more compact, the use requirements of small size and convenience in carrying of the balance car are met, the problem that the existing balance car is complicated in installation steps is solved, and the waterproof performance of the balance car controller is improved. Meanwhile, because the hub motor can generate a large amount of heat during working, the controller assembly is directly arranged in the hub motor, which easily causes the controller to be overheated, and influences the normal work of the controller assembly, therefore, the controller assembly is arranged on the outer side of the inner end cover, so that the balance car controller and the wheels can still form a transplantable balance car module. The controller module is partially arranged in the vehicle body and partially arranged outside the vehicle body, so that the length of a motor shaft and the whole width of the balance vehicle are favorably shortened, and wiring is also favorably realized.

The controller has at least one or more of the following functions: the motor driving function, the balance car master control function, the attitude detection function, the Hall motor detection sensor or the wireless communication function and the like are also used for putting all or most of control parts on the balance car, so that more functions are integrated on the wheels of the balance car, and a large module which is portable and convenient to install is formed. And the balance car wheel passes through motor shaft and automobile body fixed connection, and the quilt is trampled along with the automobile body and is rotated certain angle, consequently, sets up balance car attitude detection sensor on the motor shaft also can normally work, and the accuracy detects, and controller and motor shaft fixed connection have also avoided the pencil that connects from the controller and then the wheel rotates together, damages the pencil, influences the part life-span of controller.

The controller is mounted on the motor shaft in various ways, and the sealing of the controller assembly to the vehicle body plays an important role in stabilizing the controller and the wiring socket, which will be briefly described below by way of example.

Example one

As shown in fig. 1, in this embodiment, the controller is a circuit board structure, and includes a controller 21 and components thereon, the mounting portion includes a flat structure 211 in the middle of the controller 21 and a fixing member 25, a step 13 is disposed on the penetrating end 12 of the motor shaft 11, the flat structure 211 is adapted to the penetrating end 12 in shape, and the controller is clamped to the penetrating end 12 of the motor shaft 11 through the flat structure 211 and is abutted to the step 13 under the action of the fixing member 25. In a specific embodiment, the step 13 is spaced from the inner end cap 15 to keep the controller at a distance from the rotating inner end cap 15 to protect the controller.

Preferably, the fixing member 25 may be a snap spring, and correspondingly, a positioning groove 121 for fixing the snap spring is disposed on the penetrating end 12 of the motor shaft 11; alternatively, the fixing member 25 may be a nut, and the penetrating end 12 of the motor shaft 11 is provided with a thread adapted to the nut.

The controller subassembly accessible motor shaft of this embodiment is located the automobile body casing completely, and the controller subassembly forms modular part with balance car wheel, has improved the packaging efficiency of balance car, and the controller subassembly accessible wiring socket that is located the automobile body casing is direct to be pegged graft with the internal part of automobile, promotes wiring efficiency to further simplify assembly process, reduce cost. At this time, the sealing of the controller and the wiring receptacle is determined by the sealing of the vehicle body itself.

Example two

Based on the above embodiment, the difference between this embodiment and the first embodiment is that the mounting portion includes a fixing base, the controller is in a controller structure, and includes a controller and components thereon, the controller is fixedly connected with the penetrating end of the motor shaft through the fixing base, and other structures are the same as those in the first embodiment.

As shown in fig. 4 and fig. 5, the fixing seat 23 of the present embodiment is a long strip, the fixing seat 23 is a long strip, the center of the fixing seat is provided with a flat structure for fixedly connecting the penetrating end 12 of the motor shaft 11, and the fixing seat 23 is provided with a first flat groove 231 adapted to the motor shaft 11, so that the fixing seat 23 and the motor shaft 11 are relatively stationary; a first protrusion 232 is arranged at the edge of the first flat slot 231, the first protrusion 232 protrudes towards the inner end cover 15, a bearing exposing hole 153 is arranged on the inner end cover 15, part of the second bearing 16 can be observed from the outer side of the bearing exposing hole 153, and the first protrusion 232 extends into the bearing exposing hole 153 and is abutted to the outer side wall of the inner ring of the second bearing 16; the fixing member 25 is disposed outside the first flat slot 231, the fixing seat 23 is fixedly connected to the motor shaft 11 through the fixing member 25 and keeps a contact state with the inner ring of the second bearing 16, and meanwhile, the first protrusion 232 keeps the fixing seat 23 at a certain distance from the inner end cover to prevent the controller from contacting the inner end cover.

The controller is of a circular structure; the both ends of fixing base 23 are the arc surface, with the medial surface looks adaptation of controller, and fixing base 23 is fixed with the medial surface joint of controller. More specifically, the arc surfaces at the two ends of the fixing base 23 are provided with the slots 233, the width of the slot 233 is adapted to the thickness of the circular ring structure, the inner side of the circular ring structure is provided with the notches 212 and the stopping table 213, the two notches 212 are arranged oppositely, the distance between the two notches is greater than or equal to the length of the fixing base 23, and after the fixing base 23 is embedded into the notches 212, the fixing base rotates to enable the inner side edge of the circular ring structure to be clamped into the slots 233 and continuously rotates until the fixing base abuts against the stopping table 213. In the scheme, the fixing seat 23 enters from the position corresponding to the inner side notch 212 of the controller 21, the clamping groove 233 and the inner edge of the circular ring structure are clamped and clamped after rotation, and the retaining table 213 is used for limiting the fixing seat 23.

The controller subassembly accessible motor shaft of this embodiment is located the automobile body casing completely, and the controller subassembly forms modular part with balance car wheel, has improved the packaging efficiency of balance car, and the controller subassembly accessible wiring socket that is located the automobile body casing is direct to be pegged graft with the internal part of automobile, promotes wiring efficiency to further simplify assembly process, reduce cost. At this time, the sealing of the controller and the wiring receptacle is determined by the sealing of the vehicle body itself.

When the controller assembly is partially arranged outside the vehicle body shell and partially arranged in the vehicle body shell, the mounting part can comprise a fixed cover and/or a fixed seat, and sealing is realized by utilizing a first sealing groove on the fixed cover or the fixed seat and a side plate of the vehicle body shell.

EXAMPLE III

Based on the first embodiment and the second embodiment, as shown in fig. 2, the mounting portion further includes a fixing cover 24, and the fixing cover 24 mainly functions to protect the controller and is connected to the vehicle body in a sealing manner. The fixed cover 24 covers the controller, so that the controller can be protected in the processes of transportation, storage and assembly of the balance car wheels, and the controller 21 and components on the controller are prevented from being damaged and falling off due to extrusion of external force. More specifically, the component on the controller 21 is disposed toward the fixing cover 24 and faces away from the inner end cover 15, and meanwhile, the opening of the fixing cover 24 is disposed toward the inner end cover 15 and forms a second accommodating cavity with the outer wall of the inner end cover 15 to accommodate the controller.

The second receiving chamber is required to maintain a relatively sealed environment to prevent ingress of water from damaging the controller. Meanwhile, the inner end cap 15 needs to rotate along with the wheel, and the fixing cap 24 cannot be directly connected with the inner end cap 15. Preferably, as shown in fig. 3, the outer wall of the inner end cap 15 is provided with a rotation groove 151, one surface of the fixed cap 24 facing the inner end cap 15 is provided with a second annular side plate 242, the second annular side plate 242 is perpendicular to the plane plate 241 of the fixed cap 24 and is arranged in an annular shape to form an arc-shaped side wall of the fixed cap 24, the width of the second annular side plate 242 is greater than the thickness of the controller 21, and the second accommodating chamber has a space enough for the controller to be installed. The second annular side plate 242 is matched with the rotary groove 151 and is circular; the edge of the second annular side plate 242 extends into the rotating groove 151 and keeps spaced, three surfaces of the edge of the second annular side plate 242 keep a small distance from the rotating groove 151 to perform a sealing function, and meanwhile, the circular second annular side plate 242 and the rotating groove 151 enable the fixed cover 24 and the inner end cover 15 not to interfere with each other when the wheel is in operation.

The fixing cover 24 also functions to ensure sealing between the controller assembly 20 and the vehicle body, while fixedly connecting the controller assembly 20 to the vehicle body. More specifically, as shown in fig. 2, the fixing cover 24 is a basin with a single-side opening, the outer surface of the arc-shaped sidewall of the fixing cover is provided with a first sealing groove 26, the side surface of the vehicle body casing is provided with a side plate, in order to accommodate a part of the controller assembly 20, the side plate is provided with a mounting hole, the edge of the side plate forming the mounting hole is embedded into the first sealing groove 26, at this time, the edge of the side plate and the first sealing groove 26 can be sealed in an interference fit or clamping manner, and the sealing here is also a primary sealing for the inside of the vehicle body. With the first seal slot 26 as a boundary, the controller assembly 20 is partially disposed within the vehicle body and partially disposed outside the vehicle body.

The fixed cover 24 is fixedly connected with the motor shaft 11, as shown in fig. 2, a second flat opening 243 adapted to the motor shaft 11 is provided on the fixed cover 24, so that the fixed cover 24 and the motor shaft 11 are relatively stationary; the edge of the second flat-mouth groove 243 is provided with a second protrusion 244, the second protrusion 244 is arranged to protrude toward the controller 21, the second protrusion 244 abuts against the center of the side wall of the controller 21, and a certain distance is kept from the front surface of the controller 21, so as to avoid touching components on the controller 21.

The outer side of the fixed cover is provided with a fixed part, and the fixed cover is fixedly connected with the motor shaft through the fixed part and keeps the abutting state with the controller; the controller keeps the abutting state with the step under the action of the fixed cover. Preferably, the fixing part can be a clamp spring, and correspondingly, a positioning groove for fixing the clamp spring is arranged at the penetrating end of the motor shaft; or the fixing piece can be a nut, and the penetrating end of the motor shaft is provided with a thread matched with the nut.

Example four

As shown in fig. 6 and 7, in this embodiment, the controller is a circuit board structure, and includes a controller 21 and components thereon, the mounting portion includes a fixing seat 23, the controller is fixedly connected to the fixing seat 23, and the fixing seat 23 is fixedly connected to the penetrating end 12 of the motor shaft 11. As shown in fig. 6, the controller is fixed on the fixing seat 23, and the fixing seat 23 is fixedly connected with the penetrating end 12 of the motor shaft 11, which has the advantages of avoiding excessive processing of the controller 21 of the controller, and reducing the cost because the fixing seat 23 can be processed in an injection molding manner. Preferably, the fixing base 23 may be made of a heat insulating material to prevent the motor shaft 11 from transferring heat of the in-wheel motor to the controller.

In this embodiment, as shown in fig. 6, the fixing seat 23 is a disc, the fixing seat 23 includes a first annular side plate 234 perpendicular to the plane plate, and the controller is a circular structure; the position of the plane plate of the fixed seat 23 is provided with a first fastening hole 235, the controller is provided with a second fastening hole 214, and fasteners such as screws penetrate through the first fastening hole 235 and the second fastening hole 214 to fix the controller in the fixed seat 23. At this moment, the controller is arranged in the one side that fixing base 23 deviates from inner end cover 15, and fixing base 23 is the disc, and the front of controller sets up towards the opening direction of fixing base 23, makes things convenient for the pencil on the controller to cross the line.

Preferably, fixing base 23 and the outer side wall interval setting of interior end cover 15 avoid fixing base 23 to bump with rotatory interior end cover 15.

Preferably, as shown in fig. 6, the outer side wall of the inner end cap 15 is provided with a rotation groove 154, and the rotation groove 154 is matched with the size of the fixing seat 23, so that the fixing seat 23 is partially inserted into the rotation groove 154. It is noted that although the fixing seat 23 is partially inserted into the rotation groove 154, the fixing seat 23 is spaced apart from the outer sidewall of the inner end cap 15. The fixing seat 23 is slightly embedded in the inner end cap 15 in this way for the purpose of shortening the overall width of the wheel and the overall length of the motor shaft 11.

At this time, the fixing seat 23 also plays a role of sealing with the vehicle body, and simultaneously, the controller assembly is fixedly connected with the vehicle body. As shown in fig. 6, the outer surface of the first annular side plate 234 of the fixing seat 23 is provided with a first sealing groove 26, the side surface of the vehicle body casing is provided with a side plate, in order to accommodate a part of the controller assembly, a mounting hole is formed in the side plate, the edge of the side plate forming the mounting hole is embedded into the first sealing groove 26, at this time, the edge of the side plate and the first sealing groove 26 can be sealed in an interference fit or clamping manner, and the sealing here is also a primary sealing for the inside of the vehicle body. With the first seal slot 26 as a boundary, the controller assembly is partially disposed within the vehicle body and partially disposed outside the vehicle body. The opening of fixing base 23 is located the automobile body, and when fixing base 23 was sealed with the automobile body, still can seal the protection to the controller.

The fixing seat 23 is fixedly connected to the motor shaft 11, as shown in fig. 7, a second bearing mounting groove 152 is formed in the inner wall of the inner end cover 15, the second bearing mounting groove 152 has a bearing exposing hole 153, the bearing exposing hole 153 is the first through hole 14, the diameter of the bearing exposing hole 153 is larger than that of the motor shaft 11, the motor shaft 11 penetrates through the bearing exposing hole 153, a second bearing is sleeved on the motor shaft 11 and placed in the second bearing mounting groove 152, and the outer side wall of the inner ring of the second bearing is exposed in the bearing exposing hole 153;

as shown in fig. 7, the fixing seat 23 is provided with a first flat slot 231 adapted to the motor shaft 11, so that the fixing seat 23 and the motor shaft 11 are relatively stationary; a first protrusion 232 is arranged at the edge of the first flat notch 231, the first protrusion 232 protrudes towards the inner end cover 15, and the first protrusion 232 extends into the bearing exposure hole 153 and abuts against the outer side wall of the inner ring of the second bearing; the fixing member 25 is disposed outside the first flat slot 231, the fixing seat 23 is fixedly connected to the motor shaft 11 through the fixing member 25 and keeps a contact state with the inner ring of the second bearing, and meanwhile, the first protrusion 232 keeps the fixing seat 23 at a certain distance from the inner end cap 15.

Preferably, the fixing part can be a clamp spring, and correspondingly, a positioning groove for fixing the clamp spring is arranged at the penetrating end of the motor shaft; or the fixing piece can be a nut, and the penetrating end of the motor shaft is provided with a thread matched with the nut.

The controller is exposed out of the vehicle body and protected by the vehicle body.

EXAMPLE five

As shown in fig. 8 to 10, in the embodiment, the mounting portion includes a fixing seat 23 and a fixing cover 24, the controller 21 is fixed on the fixing seat 23 or located between the fixing cover 24 and the fixing seat 23, and the fixing cover 24 and the fixing seat 23 surround the controller separately, so as to achieve the effect of sealing protection, and prevent water stain and impurities from entering and damaging the controller 21. With this structure, the controller 21 can be prevented from being damaged during transportation and assembly. Preferably, the fixing base 23 may be made of a heat insulating material to prevent the motor shaft 11 from transferring heat of the in-wheel motor to the controller.

In the present embodiment, the fixing base 23 and the fixing cover 24 have the same size, the first annular side plate 234 of the fixing base 23 protrudes toward the fixing cover 24, the second annular side plate 242 of the fixing cover 24 protrudes toward the fixing base 23, and the diameters of the first annular side plate 234 and the second annular side plate 242 are the same, a sealing structure is provided between the fixing base 23 and the fixing cover 24, the sealing structure includes a convex edge and a second sealing groove, one of the convex edge and the second sealing groove is provided on the fixing base 23, and the other one is correspondingly provided on the fixing cover 24; the convex edge is matched and sealed with the second sealing groove. More specifically, in a specific embodiment, the convex edge is disposed on a surface of the first annular side plate 234 facing the first annular side plate 234, the second sealing groove is disposed on a surface of the first annular side plate 234 facing the second annular side plate 242, and the convex edge is engaged with the second sealing groove, so that a relatively sealed space is formed between the fixing base 23 and the fixing cover 24 to protect the controller; in another specific embodiment, as shown in fig. 10, the second sealing groove 28 is disposed on a surface of the first annular side plate 234 facing the first annular side plate 234, the protruding edge 27 is disposed on a surface of the first annular side plate 234 facing the second annular side plate 242, and the protruding edge 27 is engaged with the second sealing groove 28, so that a relatively sealed space is formed between the fixing seat 23 and the fixing cover 24 to protect the controller. The fixing cover 24 and the fixing seat 23 can also be fixed and sealed in other manners, such as being fixed by gluing or being tightly fixed by screws.

Preferably, as shown in fig. 9, the fixing base 23 is a disc shape, the controller 21 is a circular ring structure, a first fastening hole 235 is formed in a flat plate of the fixing base 23, a second fastening hole 214 is formed in the controller 21, a first fastening column 246 is formed in the fixing cover 24, the first fastening column 246 is located on the inner wall of the fixing cover 24 and protrudes toward the fixing base 23, a third fastening hole 247 is formed in the first fastening column 246, and a fastening member penetrates through the third fastening hole 247, the second fastening hole 214 and the first fastening hole 235 to fix the fixing cover 24 and the controller 21 on the fixing base 23, so that the fixing base 23, the fixing cover 24 and the controller 21 form a stable integral structure, and the installation stability of the controller 21 is improved.

In the embodiment, the vehicle body can be fixedly connected with the fixed seat 23 or the fixed cover 24 in a sealing way. More specifically, the outer surface of the first annular side plate 234 of the fixing seat 23 or the outer surface of the second annular side plate 242 of the fixing cover 24 is provided with a first sealing groove 26, the side surface of the vehicle body casing is provided with a side plate, in order to accommodate a part of the controller assembly, a mounting hole is formed in the side plate, the edge of the side plate forming the mounting hole is embedded into the first sealing groove 26, at this time, the edge of the side plate and the first sealing groove 26 can be sealed in an interference fit or clamping manner, and the sealing here is also a primary sealing for the inside of the vehicle body. With the first seal slot 26 as a boundary, the controller assembly is partially disposed within the vehicle body and partially disposed outside the vehicle body.

At this time, the fixing base 23 and the fixing cover 24 are both fixedly connected to the penetrating end 12 of the motor shaft 11, and more specifically, as shown in fig. 9, the inner wall of the inner end cover 15 is provided with a second bearing installation groove 152, the second bearing installation groove 152 is provided with a bearing exposing hole 153, the motor shaft 11 penetrates through the bearing exposing hole 153, the second bearing is sleeved on the motor shaft 11 and placed in the second bearing installation groove 152, and the outer side wall of the inner ring of the second bearing is exposed in the bearing exposing hole 153;

the fixed seat 23 is provided with a first flat slot 231 matched with the motor shaft 11, so that the fixed seat 23 and the motor shaft 11 are relatively static; the edge of the first flat notch groove 231 is provided with a first protrusion 232, the first protrusion 232 is arranged towards the inner end cover 15 in a protruding mode, the first protrusion 232 extends into the bearing exposure hole 153 and is abutted to the outer side wall of the inner ring of the second bearing, the first protrusion 232 enables the fixed seat 23 to keep a certain distance with the inner end cover 15, and the fixed seat 23 is prevented from being in contact with the rotating inner end cover 15;

the fixed cover 24 is provided with a second flat opening groove 243 matched with the motor shaft 11, so that the fixed cover 24 and the motor shaft 11 are relatively static; a second protrusion 244 is arranged at the edge of the second flat slot 243, the second protrusion 244 protrudes towards the fixing seat 23, and the second protrusion 244 abuts against the side wall of the fixing seat 23 to form a space for accommodating the controller, so as to protect the controller 21 and components thereon;

a fixing piece 25 is arranged on the outer side of the fixing cover 24, and the fixing cover 24 is fixedly connected with the motor shaft 11 through the fixing piece 25 and keeps the abutting state with the fixing seat 23; the fixing base 23 is held in abutment with the inner race of the second bearing by the fixing cover 24.

Preferably, the fixing member 25 may be a snap spring, and correspondingly, a positioning groove 121 for fixing the snap spring is disposed on the penetrating end 12 of the motor shaft 11; alternatively, the fixing member 25 may be a nut, and the penetrating end 12 of the motor shaft 11 is provided with a thread adapted to the nut.

Preferably, fixing base 23 and the outer side wall interval setting of interior end cover 15 avoid fixing base 23 to bump with rotatory interior end cover 15.

Preferably, as shown in fig. 8, the outer side wall of the inner end cap 15 is provided with a rotation groove 154, and the rotation groove 154 is matched with the size of the fixing seat 23, so that the fixing seat 23 is partially inserted into the rotation groove 154. It is noted that although the fixing seat 23 is partially inserted into the rotation groove 154, the fixing seat 23 is spaced apart from the outer sidewall of the inner end cap 15. The fixing seat 23 is slightly embedded in the inner end cap 15 in this way for the purpose of shortening the overall width of the wheel and the overall length of the motor shaft 11.

As shown in fig. 6, 8 and 11, the wire passing structure of the present embodiment does not need to change the structure of the motor shaft, but the controller 21 of the controller is provided with a wire connection jack 22 for connecting the controller with the components in the vehicle body. Since the controller assembly 20 is partially disposed in the body housing 30, the wiring sockets 22 can be exposed in the body housing 30, the first harness 17 of the in-wheel motor 10 enters the body housing 30 through the motor shaft and is plugged into one of the wiring sockets, and other parts in the body can also be plugged into the wiring sockets, so as to realize signal transmission and control.

When the controller assembly is as in the third and fifth embodiments, as shown in fig. 8, the controller assembly 20 includes the fixing cover 24, and the fixing cover 24 covers the controller 21, in order to make the wire insertion openings 22 exposed in the vehicle body casing 30, the fixing cover 24 is provided with a plurality of windows 245, and the wire insertion openings 22 are in one-to-one correspondence with the windows 245, and pass through and are exposed from the windows 245.

When the controller assembly is as shown in the fourth embodiment, as shown in fig. 6, the fixing cover 24 is not covered on the controller 21, and the front surface of the controller 21 is disposed toward the body casing 30, and the wiring insertion opening 22 thereof can be directly exposed in the body casing 30.

Preferably, the controller is the ring shape circuit board, and wiring socket has certain distance along the marginal arc distribution of ring shape circuit board between the wiring socket, makes things convenient for the wiring plug.

The wiring socket exposes out in the automobile body, and the automobile body includes epitheca and inferior valve, is equipped with the motor shaft fixing base on epitheca or the inferior valve, and wiring socket and motor shaft fixing base dislocation distribution make things convenient for the wiring.

The controller subassembly in the automobile body is arranged in for the installation part, and the side of automobile body casing is equipped with the mounting hole, and the lateral wall and the mounting hole sealing joint of controller subassembly are inside to be equipped with the holding tank that holds partial controller subassembly of automobile body casing. According to the embodiment, the edge of the side plate forming the mounting hole is matched and clamped with the fixed seat in the controller assembly or the first sealing groove in the fixed cover, so that the controller assembly is sealed with the vehicle body shell.

For facilitating the fixed connection of the controller assembly and the motor shaft with the vehicle body, the vehicle body shell 30 comprises an upper shell 31 and a lower shell 32, a mounting hole 33 is arranged between a first side plate 311 of the upper shell 31 and a second side plate 321 of the lower shell 32, a first sealing groove 26 is arranged on the side wall of the controller assembly 20, and during installation, the first side plate and the second side plate forming the mounting hole are respectively embedded into the first sealing groove to realize the sealing of the controller assembly and the vehicle body.

When the motor shaft fixing seat 35 is located inside the first side plate 311 of the upper shell 31, the wire connection jack 22 is disposed at a position corresponding to the lower shell 32 of the controller, and corresponds to the lower half of the receiving groove 34; when the motor shaft fixing base is located the second curb plate inboard of inferior valve, wiring socket sets up on the controller corresponds the position with the epitheca, corresponds with the first half of holding tank 34.

Because a plurality of pencil and wiring socket peg graft, press the pencil when avoiding epitheca and inferior valve to fold, preferably, the inboard of epitheca or inferior valve is equipped with the pencil buckle for comb the pencil of being connected with wiring socket. As shown in fig. 12, at least one wire harness buckle 36 is located on the side of the motor shaft fixing seat 35, and the wire harness is stored by reasonably utilizing the side wall of the motor shaft fixing seat 35. More specifically, the harness buckle 36 includes a fixing portion 362 and a resilient piece 361, and the resilient piece 361 is disposed opposite to the side wall of the motor shaft fixing base 35 at a distance and has an opening for the harness to enter.

During the installation, at motor shaft and motor shaft fixing base installation fixed back, the location is accomplished with epitheca or inferior valve to the controller subassembly, can peg graft other pencil and wiring socket in first pencil and the automobile body casing, then will peg graft among the opening between pencil embedding shell fragment and the motor shaft fixing base lateral wall, because the shell fragment has certain elasticity, after in the pencil gets into the pencil buckle, can effectively bind the pencil, avoid first curb plate, second curb plate extrusion pencil. Of course, the wire harness buckle can also be arranged at other positions, such as the inner surface of the upper shell or the lower shell, the side edge of the spring mounting hole and the like.

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

Claims (10)

1. A wiring structure of a balance car controller comprises a controller assembly and is characterized in that the controller assembly comprises a controller and an installation part, and the controller is fixed on a penetrating end of a motor shaft of a wheel through the installation part; the motor shaft is fixedly connected with a balance car body, and the controller comprises a plurality of wiring sockets facing the balance car body and used for connecting the controller with parts in the balance car body.

2. The balance car controller wiring structure according to claim 1, wherein: the installation department includes the fixing base, the controller with fixing base fixed connection, the fixing base with the end fixed connection that pierces through of motor shaft.

3. The balance car controller wiring structure according to claim 2, wherein: the mounting part also comprises a fixed cover, and the controller is positioned between the fixed cover and the fixed seat; the fixing cover is provided with a plurality of windows, and the wiring jacks correspond to the windows one to one and penetrate through the windows to be exposed.

4. The balance car controller wiring structure according to claim 1, 2 or 3, wherein: the controller is a circular circuit board, and the wiring sockets are distributed along the edge arc of the circular circuit board.

5. The balance car controller wiring structure according to claim 4, wherein: the wiring socket exposes out of the inside of the vehicle body, the vehicle body comprises an upper shell and a lower shell, a motor shaft fixing seat is arranged on the upper shell or the lower shell, and the wiring socket and the motor shaft fixing seat are distributed in a staggered mode.

6. The balance car controller wiring structure according to claim 5, wherein: the inner side of the upper shell or the lower shell is provided with a wiring harness buckle for combing wiring harnesses connected with the wiring jacks; at least one pencil buckle is located the side of motor shaft fixing base.

7. The balance car controller wiring structure of claim 6, wherein: the wire harness buckle comprises a fixing part and an elastic sheet, the elastic sheet and the side wall of the motor shaft fixing seat are arranged at intervals relatively, and an opening for the wire harness to enter is formed.

8. The balance car controller wiring structure according to claim 3, wherein: the fixing base is disc-shaped, the controller is a circular circuit board, a first fastening hole is formed in the position, close to the edge, of the fixing base, a second fastening hole is formed in the controller, a first fastening column is arranged on the fixing cover, the first fastening column is located on the inner wall of the fixing cover and protrudes towards the fixing base, a third fastening hole is formed in the first fastening column, and a fastening piece penetrates through the third fastening hole, the second fastening hole and the first fastening hole to fix the fixing cover and the controller on the fixing base.

9. The balance car controller wiring structure according to claim 2, wherein: the fixing seat is in a strip shape, and a flat opening structure is arranged at the center of the fixing seat and is used for fixedly connecting the penetrating end and the outgoing end of the motor shaft; the controller is a circular circuit board; the both ends of fixing base are the arc surface, with the medial surface looks adaptation of controller, the fixing base with the medial surface joint of controller is fixed.

10. The balance car controller wiring structure of claim 9, wherein: be located the fixing base both ends be equipped with the draw-in groove on the arc surface, the width of draw-in groove with ring shape circuit board thickness looks adaptation, the inboard of ring shape circuit board is equipped with the breach and keeps off the platform, two the breach sets up relatively, and apart from more than or equal to between the length of fixing base, the fixing base embedding rotate behind the breach and make the inboard border card of ring shape circuit board is gone into the draw-in groove, continuously rotate until with it offsets to keep off the platform.

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