Motor and electric vehicle

Abstract

The utility model relates to the technical field of electric vehicles, in particular to a motor and an electric vehicle, and the motor comprises a side cover, a fixing assembly, a motor shaft, a first connecting plug and a second connecting plug. The fixing assembly is installed on the side cover, the motor shaft is installed on the fixing assembly, and the two ends of the motor shaft are connected with the front forks on the two sides respectively. A mounting groove is formed in one end of the motor shaft, and the first connecting plug is arranged in the mounting groove and connected with the motor shaft through a wire; and one end of the second connecting plug extends into the mounting groove to be matched with the first connecting plug in an inserting manner, and the other end of the second connecting plug is connected with a controller wire of the electric vehicle. According to the motor provided by the utility model, the lead between the first connecting plug and the motor is prevented from being damaged or even broken in the disassembly, assembly and transportation processes, the risk of damage of the motor is reduced, the service life of the motor is prolonged, and the service life of an electric vehicle using the motor is effectively prolonged.

Description

Technical Field

[0001] This utility model relates to the field of electric vehicle technology, specifically to a motor and an electric vehicle. Background Technology

[0002] With economic development and social progress, green travel is receiving increasing attention from the public. Electric vehicles, due to their advantages such as small size, light weight, and ease of use, are widely used in green travel.

[0003] An electric vehicle consists of a frame, wheels, a motor, and a controller. The wheels are mounted on the frame via a front fork, the motor is installed inside the wheel and is connected to the wheel via a drive shaft, and the controller is electrically connected to the motor to control the start and stop of the motor, thereby controlling the operation or stop of the electric vehicle.

[0004] Currently, electric vehicle motors and vehicle controllers are connected externally via male and female connectors using motor cables. The connection between the upper controller, lower motor, and external motor cables can cause obstruction or even damage during installation of other vehicle components or during transportation. Utility Model Content

[0005] (I) This utility model provides a motor and an electric vehicle to alleviate the technical problem in the prior art that the connection between the female motor wire and the motor is often broken due to the external connection of the male and female motor wires.

[0006] (II) Technical Solution

[0007] To solve the above-mentioned technical problems, embodiments of this utility model provide a motor for an electric vehicle. The electric vehicle includes a front fork and a wheel, the wheel is mounted on the front fork, and the motor is mounted inside the wheel. The motor includes a side cover, a fixing component, a motor shaft, a first connector, and a second connector.

[0008] The fixing component is installed on the side cover, the motor shaft is installed on the fixing component, and the two ends of the motor shaft are respectively connected to the front forks on both sides;

[0009] One end of the motor shaft is provided with a mounting groove, and the first connector is located in the mounting groove and connected to the motor shaft wire.

[0010] One end of the second connector extends into the mounting groove and engages with the first connector, while the other end is connected to the controller wire of the electric vehicle.

[0011] Furthermore, an adhesive layer is provided between the outer wall of the first connector and the inner wall of the mounting groove.

[0012] Furthermore, the end of the second connector opposite to the first connector protrudes from the fork at a right angle.

[0013] Furthermore, the right-angle end of the second connector is covered with a fixed housing, which is fitted onto the side wall of the fork.

[0014] Furthermore, a waterproof layer is provided between the outer wall of the second connector and the inner wall of the mounting groove.

[0015] Furthermore, the waterproof layer includes a waterproof ring fitted onto the outer wall of the second connector.

[0016] Furthermore, the fixing component includes a bearing, which is mounted on the side cover, and the motor shaft is sleeved inside the bearing.

[0017] Furthermore, both the first and second connectors are equipped with phase wires and signal wires, and the second connector is electrically connected to the first connector and the controller through the phase wires and the signal wires.

[0018] Furthermore, the motor also includes a stator, which is mounted on the motor shaft.

[0019] An embodiment of this utility model also provides an electric vehicle, including the motor described above.

[0020] The beneficial effects of this utility model are:

[0021] This utility model provides a motor, including a side cover, a fixing component, a motor shaft, a first connector, and a second connector. The fixing component is installed on the side cover, and the motor shaft is installed on the fixing component, completing the assembly of the motor shaft. The motor is then installed inside a wheel to drive the wheel's start and stop. Since one end of the motor shaft has an installation groove, the first connector is completely installed in the installation groove and is guided and connected to the motor shaft within the installation groove. One end of the second connector extends into the installation groove and plugs into the first connector. This ensures that when the second connector is removed from the installation groove, no wires from the first connector are exposed outside the motor. This avoids damage or even breakage of the wires between the first connector and the motor during disassembly, assembly, and transportation, reducing the risk of motor damage and extending the motor's service life.

[0022] This utility model also provides an electric vehicle that uses the aforementioned motor. The motor is installed in the wheel, and the motor drives the wheel to start and stop. This reduces the risk of motor damage, thereby increasing the service life of the electric vehicle and enhancing the user experience. Attached Figure Description

[0023] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 A schematic diagram of the structure of an electric motor is provided for an embodiment of the utility model.

[0025] icon:

[0026] 100 - Front fork; 101 - Wheel; 102 - Mounting shell;

[0027] 200-Side cover; 201-Motor shaft; 202-First connector; 203-Second connector; 204-Waterproof ring; 205-Bearing; 206-Phase wire; 207-Signal wire; 208-Stator. Detailed Implementation

[0028] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] In the description of this utility model, it should be noted that the terms "upper" and "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0031] like Figure 1 As shown, this utility model provides a motor for an electric vehicle. The electric vehicle includes a front fork 100 and a wheel 101. The motor is mounted on the front fork 100, and the wheel 101 is mounted on the outside of the motor. The motor includes a side cover 200, a fixing component, a motor shaft 201, a first connector 202, and a second connector 203. The fixing component is mounted on the side cover 200, and the motor shaft 201 is mounted on the fixing component. Both ends of the motor shaft 201 are connected to the front forks 100 on both sides, respectively. One end of the motor shaft 201 has a mounting groove, and the first connector 202 is located in the mounting groove and connected to the wire of the motor shaft 201. One end of the second connector 203 extends into the mounting groove and is plugged into the first connector 202, and the other end is connected to the controller wire of the electric vehicle.

[0032] In this embodiment, the motor includes a side cover 200, a fixing component, a motor shaft 201, a first connector 202, and a second connector 203. The fixing component is installed on the side cover 200, and the motor shaft 201 is installed on the fixing component. After assembling the motor shaft 201, the motor is installed inside the wheel 101 to drive the wheel 101 to start and stop. Since one end of the motor shaft 201 has an installation groove, the first connector 202 is completely installed in the installation groove and is guided and connected to the motor shaft 201 in the installation groove. One end of the second connector 203 extends into the installation groove and is plugged into the first connector 202. This ensures that when the second connector 203 is pulled out of the installation groove, no wires of the first connector 202 will be exposed outside the motor. This avoids damage or even breakage of the wires between the first connector 202 and the motor during disassembly, assembly, and transportation, reducing the risk of motor damage and extending the service life of the motor.

[0033] Preferably, the first connector 202 is a nine-pin female connector, and the second connector 203 is a nine-pin male connector. After the nine-pin female connector and the nine-pin male connector are connected, the controller further controls the normal rotation or stop of the motor.

[0034] The nine-pin female connector and the nine-pin male connector are interlocked. The nine-pin male connector can be directly inserted into or removed from the mounting slot without any extra operations on the wiring between the nine-pin female connector and the motor. This improves the installation efficiency of the motor and avoids damage to the motor wires between the nine-pin female connector and the motor during disassembly, assembly, or transportation. It can effectively improve the quality and service life of the motor.

[0035] The diameter of the motor shaft 201 needs to be compatible with the model of the vehicle body to prevent the motor from being too heavy due to the diameter of the motor shaft 201 being too large, thus affecting its use, or the motor shaft 201 being too small, thus failing to meet the actual use requirements in terms of strength.

[0036] According to one embodiment provided by this utility model, such as Figure 1 As shown, an adhesive layer is provided between the outer wall of the first connector 202 and the inner wall of the mounting groove.

[0037] In this embodiment, an adhesive layer is provided between the contact surface of the outer wall of the first connector 202 and the inner wall of the motor shaft 201 to ensure that the first connector 202 will not be pulled out of the motor shaft 201 during use, thereby improving the quality of the motor and ensuring its service life.

[0038] Preferably, the adhesive layer is composed of AB epoxy adhesive to ensure the connection strength between the contact surfaces of the first connector 202 and the motor shaft 201. The adhesive layer can also be bonded by other methods, but the purpose is not different from the design concept of this utility model and should be within the protection scope of this utility model.

[0039] According to one embodiment provided by this utility model, such as Figure 1 As shown, the end of the second connector 203 that is away from the first connector 202 protrudes from the fork 100 and is at a right angle.

[0040] In this embodiment, a through hole is provided on the side wall of the front fork 100, so that the end of the second connector 203 facing away from the first connector 202 protrudes from the front fork 100 and is then connected to the controller by wire. In order to facilitate the connection between the second connector 203 and the controller, the end of the second connector 203 facing away from the first connector 202 and protruding from the front fork 100 is set to a right angle.

[0041] According to one embodiment provided by this utility model, such as Figure 1 As shown, the right-angle end of the second connector 203 is covered by a fixing housing 102, which covers the side wall of the front fork 100.

[0042] In this embodiment, a fixing shell 102 is provided on the outer side of the right-angle end of the second connector 203 to provide a fixing function. The fixing shell 102 is attached to the side wall of the front fork 100. By providing the fixing shell 102, it can prevent the second connector 203 from becoming loose during use.

[0043] According to one embodiment provided by this utility model, such as Figure 1 As shown, a waterproof layer is provided between the outer wall of the second connector 203 and the inner wall of the mounting groove.

[0044] In this embodiment, a waterproof layer is provided between the outer wall of the second connector 203 and the inner wall of the mounting groove. Preferably, the waterproof layer is a waterproof ring 204 fitted onto the outer wall of the second connector 203, thereby improving the waterproofness of the motor.

[0045] The waterproof layer may also be a waterproof adhesive applied between the outer wall of the second connector 203 and the inner wall of the motor shaft 201, or other waterproofing methods. The purpose of these methods does not deviate from the design concept of this utility model and should fall within the protection scope of this utility model.

[0046] According to one embodiment provided by this utility model, such as Figure 1 As shown, the fixing assembly includes a bearing 205, which is mounted on the side cover 200, and a motor shaft 201 is sleeved inside the bearing 205.

[0047] In this embodiment, the motor shaft 201 passes through the central hole of the bearing 205, and the motor shaft 201 is fixed relative to the side shell by mounting the bearing 205 on the side shell. The end of the motor shaft 201 is mounted on the front fork 100 to achieve the effect of fixing the motor and the front fork 100 relative to each other.

[0048] According to one embodiment provided by this utility model, such as Figure 1 As shown, both the first connector 202 and the second connector 203 are equipped with a phase wire 206 and a signal wire 207. The second connector 203 is electrically connected to the first connector 202 and the controller through the phase wire 206 and the signal wire 207.

[0049] In this embodiment, both the first connector 202 and the second connector 203 are equipped with a phase wire 206 and a signal wire 207. The first connector 202 and the second connector 203 transmit electrical signals through the phase wire 206 and the signal wire 207. Correspondingly, the second connector 203 and the controller also transmit electrical signals through the phase wire 206 and the signal wire 207. Therefore, the controller can transmit voltage and command electrical signals to the motor through the phase wire 206 and the signal wire 207, thereby ensuring the normal rotation of the motor.

[0050] According to one embodiment provided by this utility model, such as Figure 1 As shown, the motor also includes a stator 208, which is mounted on the motor shaft 201.

[0051] In this embodiment, the motor also includes a stator 208, which is directly fixedly mounted on the motor shaft 201. The stator 208 can generate a rotating magnetic field, which cooperates with the motor shaft 201 to ensure the normal operation of the motor.

[0052] This utility model also provides an electric vehicle, including the motor described above.

[0053] In this embodiment, the electric vehicle uses the aforementioned motor, which is installed in the wheel 101. The motor drives the wheel 101 to start and stop, thus reducing the risk of motor damage, thereby increasing the service life of the electric vehicle and enhancing the user experience.

[0054] Optionally, any electric vehicle that has its motor installed in the wheel 101 can be compatible with the above-mentioned motor. It is only necessary to adjust the specifications of the motor in the wheel 101 according to the size of the electric vehicle. Such as electric scooters, electric balance bikes, or electric two-wheeled vehicles, etc., all of which do not deviate from the design concept of this utility model and should fall within the protection scope of this utility model.

[0055] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An electric motor for an electric vehicle, said electric vehicle comprising a fork (100) and a wheel (101), said electric motor being mounted to said fork (100) and said wheel (101) being mounted outside said electric motor, characterized in that, The motor comprises a side cover (200), a fixing assembly, a motor shaft (201), a first plug (202) and a second plug (203); The fixing assembly is installed on the side cover (200), and the motor shaft (201) is installed on the fixing assembly, and two ends of the motor shaft (201) are connected with two front forks (100) respectively; One end of the motor shaft (201) is provided with a mounting groove, and the first plug (202) is arranged in the mounting groove and connected with the motor shaft (201) by wires; One end of the second plug (203) extends into the mounting groove and is plugged with the first plug (202), and the other end is connected with the controller of the electric vehicle by wires.

2. The electric machine of claim 1, wherein, An adhesive layer is arranged between the outer wall of the first plug (202) and the inner wall of the mounting groove.

3. The electric machine of claim 2, wherein, The end of the second plug (203) away from the first plug (202) protrudes from the front fork (100) and is in a right angle shape.

4. The electric machine of claim 3, wherein, The right angle end of the second plug (203) is covered with a fixing shell (102), and the fixing shell (102) is arranged on the side wall of the front fork (100).

5. The electric machine of claim 1, wherein, A waterproof layer is arranged between the outer wall of the second plug (203) and the inner wall of the mounting groove.

6. The electric machine of claim 5, wherein, The waterproof layer comprises a waterproof ring (204) arranged on the outer wall of the second plug (203).

7. The electric machine of claim 1, wherein, The fixing assembly comprises a bearing (205), the bearing (205) is installed on the side cover (200), and the motor shaft (201) is sleeved in the bearing (205).

8. The electric machine of claim 1, wherein, The first plug (202) and the second plug (203) are both internally provided with a phase line (206) and a signal line (207), and the second plug (203) is electrically connected with the first plug (202) and the controller through the phase line (206) and the signal line (207).

9. The electric machine of claim 1, wherein, The motor further comprises a stator (208), and the stator (208) is installed on the motor shaft (201).

10. An electric vehicle, characterized by The motor comprises the motor according to any one of claims 1-9. The motor comprises the motor according to any one of claims 1-9.

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