Hub motor and vehicle

Abstract

The utility model provides a wheel hub motor and a vehicle. The wheel hub motor comprises a wheel hub motor body, a wire harness connector, a wire harness and a threaded rod. The wire harness connector is electrically connected with the hub motor body through the wire harness, a first magnetic attraction piece is arranged on the wire harness connector, and the first magnetic attraction piece is used for being attracted and fixed to a second magnetic attraction piece on a vehicle frame; a main shaft of the hub motor body is provided with a penetrating through hole, the threaded rod penetrates through the penetrating through hole, and the two ends of the threaded connecting rod are in threaded connection with the frame. According to the utility model, the wheel hub motor body is fixed with the vehicle frame through the threaded rod, a protruding structure on the outer side of a vehicle is avoided, the wiring harness joint adopts magnetic attraction connection, the plugging resistance is small, and the disassembly and assembly are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor drive technical field, specifically, relate to a kind of wheel hub motor and vehicle. BACKGROUND

[0002] Wheel hub motor is a kind of motor that integrates power device, transmission device and brake device into wheel hub, it directly drives wheel rotation, is one of key components of electric vehicle, electric bicycle and other electric vehicles

[0003] In the traditional wheel hub motor assembly process, it is usually fixed wheel hub motor two sides axle to frame by nut. At the same time, the connection between wire harness relies on interference fit connector to complete. However, this assembly method has many drawbacks: first, when installing wheel hub motor to frame, nut is respectively tightened on both sides of wheel hub motor, this operation requires higher technical level of installation personnel to ensure that wheel hub motor can be accurately in the center position of frame. Secondly, after installation, the nut for locking on both sides is exposed outside the vehicle, which to some extent destroys the coordination and aesthetics of vehicle appearance. Furthermore, in order to make wire harness connector have good waterproof performance, the degree of interference fit is often larger, which leads to the need to exert greater force when inserting and detaching wire harness connector, so that the whole dismounting process becomes more laborious.

[0004] The patent document with publication number CN115811172A discloses an integrated wheel hub motor, which includes a wheel hub shell, a rotating shaft penetrating the wheel hub shell, and a disc motor integrated and installed in the wheel hub shell. The disc motor includes a stator and a rotor that cooperate with each other, and the rotor is sleeved on the rotating shaft. The reducer includes a plurality of intermeshing gears that are linked together, is sleeved on the rotating shaft, and is linked with the disc motor. The overrunning clutch is connected with the reducer and is sleeved on the rotating shaft. The wheel hub shell is provided with an oil injection hole. However, the patent document still has the defect that the locking nuts on both sides protrude outside the vehicle, affecting the overall appearance. UTILITY MODEL CONTENTS

[0005] In view of the defects in the prior art, the purpose of the utility model is to provide a wheel hub motor and vehicle.

[0006] According to the wheel hub motor provided by the utility model, it comprises a wheel hub motor body, a wire harness connector, a wire harness and a threaded rod.

[0007] The wire harness connector is electrically connected with the wheel hub motor body through the wire harness, the wire harness connector is provided with a first magnetic attraction piece, and the first magnetic attraction piece is used for being attracted and fixed with a second magnetic attraction piece on the frame.

[0008] The through hole is arranged on the main shaft of the hub motor body, and the threaded rod is arranged through the through hole, and the two ends of the threaded rod are threadedly connected with the frame.

[0009] Preferably, the hub motor body is provided with an anti-rotation boss for clamping with a frame groove on the frame.

[0010] Preferably, the first magnetic attraction member is a magnetic steel arranged on the connecting end face of the wire harness connector.

[0011] Preferably, the magnetic steel is provided in two, and the two magnetic steels are arranged at the two ends of the wire harness connector respectively.

[0012] Preferably, the connecting end face of the wire harness connector is provided with a signal line connecting terminal.

[0013] Preferably, the connecting end face of the wire harness connector is provided with a phase line connecting terminal.

[0014] Preferably, the connecting end face of the wire harness connector is provided with a sealing ring.

[0015] Preferably, the sealing ring is a rubber ring.

[0016] Preferably, the wire harness connector is provided with a friction boss.

[0017] The utility model also provides a vehicle comprising the above-mentioned hub motor.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] 1、The threaded rod is used for fixing the hub motor body and the frame, the two ends of the threaded rod are directly threadedly connected in the frame, the protruding structure is avoided on the outside of the vehicle, the wire harness connector is connected through magnetic attraction, the plug-in resistance is small, and the installation and dismounting are time-saving and labor-saving, and the convenience is greatly improved.

[0020] 2、The anti-rotation boss is arranged on the hub motor body, the anti-rotation boss is clamped in the groove of the frame when the threaded rod is locked, the hub motor body is completely fixed relative to the frame, torque transmission can be realized, and the assisting function is achieved.

[0021] 3、The rubber ring and the friction boss are arranged on the hub motor body, the rubber ring can guarantee good waterproofness in the wire harness connector, and use is safer, and the friction boss provides effective friction when the wire harness connector is dismounted, and the dismounting is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, when read in conjunction with the accompanying drawings:

[0023] Figure 1 Structure diagram of the wheel hub motor;

[0024] Figure 2 Assembly diagram of the wheel hub motor and the frame Figure 1 ;

[0025] Figure 3 Assembly diagram of the wheel hub motor and the frame Figure 2 .

[0026] The drawings show:

[0027] Anti-rotation boss 9 of the wheel hub motor body 1

[0028] Signal line connection terminal 2 through hole 10

[0029] First magnetic attraction member 3 female joint 11

[0030] Wire harness connector 4 threaded rod 12

[0031] Phase line connection terminal 5 frame groove 13

[0032] Friction boss 6 main shaft 14

[0033] Sealing ring 7 frame 15

[0034] Wire harness 8 DETAILED DESCRIPTION

[0035] The present application will be described in detail below with specific embodiments. The following examples will help those skilled in the art to further understand the present application, but do not limit the present application in any form. It should be pointed out that for those skilled in the art, without departing from the concept of the present application, a number of changes and improvements can be made. These all belong to the protection scope of the present application.

[0036] Example 1:

[0037] As Figures 1-3As shown, the embodiment provides a wheel hub motor, which comprises a wheel hub motor body 1, a wire harness connector 4, a wire harness 8 and a threaded rod 12; the wire harness connector 4 is electrically connected with the wheel hub motor body 1 through the wire harness 8, the wire harness connector 4 is provided with a first magnetic attraction piece 3, the first magnetic attraction piece 3 is used for being attracted and fixed with a second magnetic attraction piece on a vehicle frame 15; the wheel hub motor body 1 is provided with a through hole 10 on a main shaft 14, the threaded rod 12 is arranged through the through hole 10, and the two ends of the threaded rod 12 are threadedly connected with the vehicle frame 15. The second magnetic attraction piece is arranged on a female connector 11 on the vehicle frame 15, and the wire harness connector 4 on the wheel hub motor and the female connector 11 on the vehicle frame 15 can be quickly disassembled and assembled through the magnetic attraction structure formed by the first magnetic attraction piece 3 and the second magnetic attraction piece.

[0038] A signal line connecting terminal 2 is arranged on the connecting end face of the wire harness connector 4. A phase line connecting terminal 5 is arranged on the connecting end face of the wire harness connector 4. A sealing ring 7 is arranged on the connecting end face of the wire harness connector 4. The sealing ring 7 is a rubber ring.

[0039] A friction boss 6 is arranged on the wire harness connector 4. An anti-rotation boss 9 is arranged on the wheel hub motor body 1, and the anti-rotation boss 9 is used for being clamped with a vehicle frame groove 13 on the vehicle frame 15.

[0040] The first magnetic attraction piece 3 is a magnetic steel, and the magnetic steel is arranged on the connecting end face of the wire harness connector 4. Two magnetic steels are arranged on the two ends of the wire harness connector 4 respectively.

[0041] The wheel hub motor body 1 of the embodiment is provided with a through hole 10 in the center, and when connected with the vehicle frame 15, a single threaded rod 12 can be inserted and locked for axial fixation. The left end of the wheel hub motor body 1 of the embodiment is provided with an anti-rotation boss 9 as an anti-rotation structure, which can achieve torque transmission and realize the main function of the wheel hub motor. The wire harness connecting connector 3 is provided with a magnetic steel or a magnet, which can be quickly connected in place during installation, and a rubber ring is arranged for sealing, which can ensure that the plug-in force is smaller than that of a conventional connector, can be quickly disassembled and assembled, and has effective waterproofness.

[0042] The embodiment also provides a vehicle comprising the wheel hub motor.

[0043] Example 2:

[0044] Those skilled in the art can understand the embodiment as a more specific description of embodiment 1.

[0045] As shown in Figures 1-3 The embodiment provides a wheel hub motor, which comprises a wheel hub motor body 1, a wire harness connector 4 and a wire harness 8.

[0046] The wheel hub motor body 1 is provided with a through hole 10 and an anti-rotation boss 9, a threaded rod 12 can be used to pass through the through hole 10 to fix the wheel hub motor body 1 on the frame, and the anti-rotation boss 9 can be clamped in the frame groove 13 of the frame 15 to transmit torque.

[0047] The wire harness connector 4 is provided with a signal line connecting terminal 2, a magnetic steel 3, a phase line connecting terminal 5, a rubber ring 7 and a friction boss 6. The signal line connecting terminal 2 is used for signal transmission connection of the motor. The magnetic steel 3 plays a positioning and adsorbing role when the wire harness connector 4 is connected, and can be quickly connected in place. The phase line connecting terminal 5 is used for transmitting electric energy used by the motor. The rubber ring 7 can ensure good waterproofness inside the wire harness connector 4, and use is safer. The friction boss 6 provides effective friction when the wire harness connector 4 is disassembled, facilitating disassembly. The wire harness 8 is a soft connection, which can ensure that the wire harness connector 4 has more fixed positions, facilitating vehicle layout.

[0048] During installation, the threaded rod 12 passes through the through hole 10 and is screwed on the frame 15, so that the wheel hub motor body 1 is fixed with the frame 15 in the axial direction, and when the threaded rod 12 is screwed, the anti-rotation boss 9 needs to be clamped in the frame groove 13 of the frame 15, so that when the threaded rod 12 is locked, the wheel hub motor body 1 is completely fixed relative to the frame 15, can transmit torque and achieve the function of assistance. In addition, the wire harness connector 4 has a magnetic steel 3, and when connected, the other connector also has a magnetic steel, i.e. the female connector 11 of the frame 15 also has a magnetic steel, the two magnetic poles are opposite, which can not only have a positioning effect but also have a large adsorption force to connect the two connectors together, without the need for special alignment, saving time and effort. After connection, the signal line connecting terminal 2 and the phase line connecting terminal 5 are also connected accordingly, which can transmit signals and electric energy. The rubber ring 7 on the wire harness connector 4 can ensure good waterproofness inside the wire harness connector 4, and use is safer.

[0049] During disassembly, the wire harness connector 4 can be pulled out first. Since the main plug-in force relies on the magnetic attraction of the magnetic steel, the pull-out force is much smaller than that of the traditional interference connection method. At the same time, the wire harness connector 4 is provided with a friction boss 6 to provide effective friction, so that the wire harness connector 4 can be easily disassembled. Then the threaded rod 12 is unscrewed and pulled out, and the wheel hub motor body 1 can be separated from the frame 15, so that the disassembly process can be quickly completed.

[0050] The embodiment relates to a quick wheel hub motor. The embodiment optimizes the connection of the wheel hub motor and the frame and the connection mode of the wire harness, improves the efficiency of the wheel hub motor during disassembly, so as to reduce the disassembly cost and facilitate use.

[0051] The purpose of the embodiment is to optimize the connection mode of the hub motor and the vehicle frame and the connection mode of the wire harness, which can be quickly and effectively completed in the actual disassembly and rotation process, and the embodiment mainly solves the following technical problems: a, optimizing the mechanical structure connection of the hub motor and the whole vehicle; b, optimizing the wire harness connection of the hub motor and the whole vehicle; c, convenient process; d, comfortable and clean appearance; e, convenient maintenance and disassembly.

[0052] In view of the above problems, the hub motor mechanical connection of the embodiment adopts a threaded rod penetrating the motor and locking on the vehicle frame, and the wire harness part adopts a magnetic attraction structure, and the male plug on the motor is attracted to the female plug on the whole vehicle, so that the connection mode is optimized, and the whole hub motor can be quickly and effectively assembled.

[0053] The hub motor center of the embodiment is provided with a through hole for fixed connection to the vehicle frame, and a rotation stopping feature is provided on one side for torque transmission, and a magnet is provided on the wire harness connector, which can be quickly positioned and connected with the connector at the other end.

[0054] The rotation stopping feature on the hub motor of the embodiment can be integrated with the body, or can be an independent part, and can be quickly customized and designed for different interfaces.

[0055] The cross section of the lead wire between the hub motor and the connector of the embodiment can be any shape, meeting various wire harness requirements.

[0056] The wire harness connector of the embodiment can also be provided with a rubber ring for waterproof sealing, having a better protection level.

[0057] The wire harness directly used between the hub motor body and the wire harness connector of the embodiment belongs to a soft connection, which can ensure that the wire harness connector has more fixing positions, and is convenient for vehicle arrangement.

[0058] The hub motor body and the vehicle frame are fixed by the threaded rod, avoiding protruding structures on the outside of the vehicle, and the wire harness connector is connected by magnetic attraction, which is convenient to disassemble and assemble.

[0059] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0060] The specific embodiments of the present application are described above. It needs to be understood that the present application is not limited to the specific embodiments described above, and various changes or modifications can be made by those skilled in the art within the scope of the claims, which does not affect the essential content of the present application. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A wheel hub motor, characterized by, The application relates to a wheel hub motor. The wheel hub motor body (1) is electrically connected with the wire harness connector (4) through the wire harness (8), the wire harness connector (4) is provided with a first magnetic attraction member (3), and the first magnetic attraction member (3) is used for being fixedly attracted to a second magnetic attraction member on a vehicle frame (15). The main shaft (14) of the wheel hub motor body (1) is provided with a through hole (10), the threaded rod (12) passes through the through hole (10) and is threadedly connected with the vehicle frame (15) at both ends. The wheel hub motor body (1) is provided with an anti-rotation boss (9) which is used for being clamped with a vehicle frame groove (13) on the vehicle frame (15).

2. The wheel hub motor according to claim 1, characterized in that The first magnetic attraction member (3) is a magnetic steel, and the magnetic steel is arranged on a connecting end surface of the wire harness connector (4).

3. The wheel hub motor according to claim 1, characterized in that, The magnetic steel is provided with two magnetic steels which are respectively arranged at two ends of the wire harness connector (4).

4. The wheel hub motor according to claim 3, characterized in that The connecting end surface of the wire harness connector (4) is provided with a signal line connecting terminal (2).

5. The in-wheel motor according to claim 1, characterized by The connecting end surface of the wire harness connector (4) is provided with a phase line connecting terminal (5).

6. The in-wheel motor according to claim 1, characterized by The connecting end surface of the wire harness connector (4) is provided with a sealing ring (7).

7. The in-wheel motor according to claim 1, characterized by The sealing ring (7) is a rubber ring.

8. The wheel hub motor according to claim 7, characterized in that The wire harness connector (4) is provided with a friction boss (6).

9. The in-wheel motor according to claim 1, characterized by The application further relates to a wheel hub motor comprising any one of the wheel hub motors according to claims 1 to 9.

10. A vehicle characterized by comprising: ​

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