Middle mounting structure of motor and vehicle

Abstract

The utility model discloses a middle mounting structure of a motor and a vehicle, and relates to the field of electric riding vehicles. According to the technical scheme, the device comprises a frame and a motor; a fixing support is arranged in the middle of the frame, a fastening screw connected with one end of the motor is arranged on the fixing support in a penetrating mode, and a middle single-side fixing structure is formed. The motor is mounted in the middle of the frame to form a middle mounting structure, so that the safety and the reliability of the motor can be effectively improved, and the service life is prolonged; moreover, the fixed support and the motor are fixedly connected only through a plurality of fastening screws, and the fastening screws are connected to one end of the motor to form unilateral fixation; the centrally-arranged single-side fixing mode is simple in structure, convenient to install and wide in application range.

Description

Technical Field

[0001] The utility model relates to the field of electric riding vehicles, and more specifically, it relates to a middle-mounted structure of a motor and a vehicle. Background Technique

[0002] Existing electric vehicles generally use hub motors to provide driving force, and the hub motors are installed on the rear wheels of the electric vehicles.

[0003] For off-road electric vehicles, if hub motors installed on the rear wheels are used to provide driving force, the bumps and jumps during the riding process of the electric vehicles are likely to damage the hub motors and affect the service life. Content of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, one of the purposes of the utility model is to provide a middle-mounted structure of a motor, which installs the motor at the middle position of the vehicle frame to form a middle-mounted structure, can effectively improve the safety and reliability of the motor, and extend the service life; moreover, the installation structure is simple, the installation is convenient, and the applicable range is wide.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A middle-mounted structure of a motor, including a vehicle frame and a motor; a fixed bracket is arranged at the middle position of the vehicle frame, and fastening screws connected to one end of the motor are passed through the fixed bracket to form a middle-mounted single-sided fixed structure.

[0007] Further, the motor includes a housing, and screw holes cooperating with the fastening screws are arranged on the housing.

[0008] Further, a plurality of screw holes are arranged on the housing in a circumferential direction.

[0009] Further, the motor includes an output shaft, and a drive sprocket is sleeved on the output shaft; the plurality of screw holes are arranged around the output shaft in a circumferential direction.

[0010] Further, the outer end face of the housing provided with the screw holes is perpendicular to the axis of the output shaft.

[0011] Further, a positioning boss is arranged on the outer side wall of the housing, and a positioning hole cooperating with the positioning boss is arranged on the fixed bracket.

[0012] Further, the fastening screws are connected to one end of the motor to form a single-sided fixation.

[0013] Further, a bottom bracket shell is arranged at the middle position of the vehicle frame, and the fixed bracket is fixed on the outer side wall of the bottom bracket shell.

[0014] Another object of the present utility model is to provide a vehicle, which includes the above-mentioned mid-mounted structure of the motor.

[0015] Further, the vehicle further includes a rear wheel, and the rear wheel is driven by a chain with the motor.

[0016] In summary, the present utility model has the following beneficial effects:

[0017] 1. The motor is installed in the middle position of the vehicle frame, and the driving force of the motor is transmitted to the rear wheel through a chain, so that the motor can avoid bearing impact loads, improve the installation reliability and extend the service life;

[0018] 2. The fixed bracket and the motor are only fixedly connected by a plurality of fastening screws, and the fastening screws are connected to one end of the motor to form a mid-mounted single-sided fixed structure; such a single-sided fixing method is not only simple in structure and convenient to install, but also has a wide range of applications. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of the mid-mounted structure of the motor in Embodiment 1;

[0020] Figure 2 It is a schematic structural diagram of the motor in Embodiment 1.

[0021] In the figure: 1. Vehicle frame; 11. Bottom bracket shell; 2. Motor; 21. Motor housing; 22. Positioning boss; 23. Screw hole; 3. Fixed bracket; 31. Positioning hole; 4. Fastening screw. Detailed Description of the Embodiment

[0022] The following further describes the present utility model in detail with reference to the drawings.

[0023] This specific embodiment is only an interpretation of the present utility model, and it is not a limitation of the present utility model. Those skilled in the art can make modifications to this embodiment without creative contributions according to needs after reading this specification, but as long as they are within the scope of the claims of the present utility model, they are protected by the Patent Law. Embodiment

[0024] A mid-mounted structure of a motor, referring to Figure 1 and Figure 2, which includes a vehicle frame 1 and a motor 2; a fixing bracket 3 is arranged at the middle position of the vehicle frame 1, and a fastening screw 4 connected to the motor 2 is inserted through the fixing bracket 3; specifically, the middle position of the vehicle frame 1 refers to the position between the front wheel and the rear wheel; in this embodiment, a bottom bracket 11 is arranged at the middle position of the vehicle frame 1, and the fixing bracket 3 is fixed to the outer side wall of the bottom bracket 11; preferably, the fixing bracket 3 and the bottom bracket 11 are fixed by welding, so as to improve the stability of the connection; in this embodiment, the motor 2 is installed at the middle position of the vehicle frame 1 to form a mid-mounted structure, and the driving force of the motor 2 is transmitted to the rear wheel through a chain, so as to avoid the motor from bearing impact loads, improve the installation reliability and extend the service life.

[0025] Refer to Figure 1 and Figure 2 , specifically, the motor 2 includes a motor housing 21; a positioning boss 22 is arranged on the outer side wall of the motor housing 21, and a positioning hole 31 matching with the positioning boss 22 is formed on the fixing bracket 3; the positioning boss 22 passes through the positioning hole 31, which not only plays a positioning role but also improves the stability of the connection; the motor 2 further includes an output shaft extending out of the positioning boss 22, and a driving sprocket is sleeved on the output shaft; four screw holes 23 are arranged on the motor housing 21, and four fastening screws 4 are inserted through the fixing bracket 3; of course, the number of the fastening screws 4 can be adjusted according to needs and is not limited herein.

[0026] Refer to Figure 1 and Figure 2 , preferably, the four screw holes 23 are arranged circumferentially and uniformly around the output shaft, so as to improve the stability and uniformity of the connection; wherein, the outer end face of the motor housing 21 provided with the screw holes 23 is perpendicular to the axis of the output shaft, and the outer end face of the motor housing 21 is attached to the fixing bracket 21, so as to improve the stability of the connection.

[0027] Refer to Figure 1 and Figure 2 , in this embodiment, only a plurality of fastening screws 4 are used to fixedly connect the fixing bracket 3 and the motor 2, and one end of the fastening screw 4 is connected to the motor 2 to form a mid-mounted single-sided fixing structure; such a single-sided fixing method not only has a simple structure and is convenient for installation, but also has a wide application range. Embodiment

[0028] A vehicle, refer to Figure 1 and Figure 2 , which includes the mid-mounted structure of the motor in Embodiment 1; specifically, the vehicle further includes a rear wheel, and the rear wheel and the motor 2 are driven by a chain to drive the vehicle forward; the vehicle includes a two-wheel vehicle, a three-wheel vehicle or a four-wheel vehicle; the vehicle in this embodiment is preferably an off-road electric vehicle and is driven by a motor.

Claims

1. An in - center mounting structure of a motor, characterized in that: It includes a frame and a motor; a fixing bracket is arranged at the middle position of the frame, and a fastening screw connected to one end of the motor is passed through the fixing bracket to form a mid-mounted single-sided fixing structure.

2. The in - center mounting structure of the motor according to claim 1, wherein: The motor includes a housing, and screw holes matched with the fastening screws are arranged on the housing.

3. The in - center mounting structure of the motor according to claim 2, wherein: A plurality of screw holes are arranged on the housing in a circumferential direction.

4. The in - center mounting structure of the motor according to claim 3, characterized in that: The motor includes an output shaft, and a driving sprocket is sleeved on the output shaft; the plurality of screw holes are arranged around the output shaft in a circumferential direction.

5. The in - center mounting structure of the motor according to claim 4, characterized in that: The outer end face of the housing provided with the screw holes is perpendicular to the axis of the output shaft.

6. The in - center mounting structure of the motor according to claim 2, wherein: A positioning boss is arranged on the outer side wall of the housing, and a positioning hole matched with the positioning boss is arranged on the fixing bracket.

7. The in - center mounting structure of the motor according to claim 1, characterized in that: A bottom bracket shell is arranged at the middle position of the frame, and the fixing bracket is fixed to the outer side wall of the bottom bracket shell.

8. A vehicle, characterized in that: It includes a mid-mounted structure of the motor according to any one of claims 1-7.

9. The vehicle according to claim 8, characterized in that: The vehicle further includes a rear wheel, and the rear wheel and the motor are driven by a chain.

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