Motor unit

Abstract

A main body of the motor unit comprises a driving motor and a gear driver; a rotor of the driving motor is connected to a power input gear of the gear driver, and the driving motor outputs power through a power output gear of the gear driver; a main body of the gear driver comprises a gear box, a power input gear, a double-layer transmission gear, a power output gear and a bearing. In the gear driver, the more the transmission gears are, the more stable the output power is.

Description

Technical Field

[0001] This invention relates to an electric motor assembly, particularly an electric motor assembly equipped with a gear drive. Background Technology

[0002] Electric motors, as devices that convert electrical energy into mechanical energy, are widely used in various industrial products. Electric motors come in a variety of structures, and most electric motors are used in combination with speed reducers. Although this can solve some problems of saving labor and energy, there are still different structural methods and room for improvement. Summary of the Invention

[0003] This invention provides an electric motor unit that is highly practical, efficient, and environmentally friendly.

[0004] The technical solution of this invention is: the main body includes a drive motor and a gear transmission; The rotor of the drive motor is connected to the power input gear of the gear transmission, and the drive motor outputs power through the power output gear of the gear transmission. The gear transmission device mainly includes a gearbox, a power input gear, a double-layer transmission gear, a power output gear, and bearings.

[0005] The gearbox is a hollow cuboid without a top surface, and multiple bearing holes are provided on both sides of the gearbox.

[0006] The power input gear is mounted on the corresponding bearing hole in the gearbox; The main components include a power input spline shaft, a gear shaft, a gear hub, and a power output tooth layer.

[0007] The power input spline shaft and gear shaft are located at the center of the two end faces of the gear hub; The gear hub is a cylinder, and the side of the gear hub is provided with a power output tooth layer.

[0008] Preferably, the power output tooth layer is a structural component that combines a cuboid and a semi-cylindrical component, with the semi-cylindrical component located at the tooth top and connected to the width of the cuboid component. Preferably, the arc diameter of the semi-cylindrical structure of the power output tooth layer is equal to the width of the cuboid component.

[0009] The bearings for the double-layer transmission gears are mounted on the corresponding bearing holes in the gearbox.

[0010] The transmission gear is a double-layer gear, mainly comprising a gear shaft, a gear hub, a power input gear layer, and a power output gear layer. The gear shaft has a front end shaft and a rear end shaft, respectively located at the center of the two end faces of the gear hub. The gear shaft also includes a large shaft body and a bearing mounting shaft body, with the diameter of the large shaft body being larger than the diameter of the bearing mounting shaft body. The gear hub is a cylinder. The gear teeth of the power input gear and the gear teeth of the power output gear are located on the side of the gear hub. Preferably, the tooth of the power input tooth layer is a structural component that combines a cuboid and a cylindrical component, with the cylindrical component located at the top of the tooth and the side of the cylindrical component connected to the width of the cuboid component. Preferably, the diameter of the cylindrical component of the power input tooth layer is greater than the width of the cuboid component.

[0011] The structure of the power output tooth layer is the same as that of the power output tooth layer of the power input gear.

[0012] The bearing for the power output gear is mounted on the corresponding bearing hole in the gearbox.

[0013] The power output gear mainly includes a front shaft, a flange shaft, a gear hub, and a power input gear layer. The front shaft and the flange shaft are respectively located at the center of the two end faces of the gear hub. The front shaft is sequentially provided with a bearing mounting shaft and a large shaft, and the diameter of the large shaft is larger than the diameter of the bearing mounting shaft. The flange shaft is sequentially provided with a large shaft, a bearing mounting shaft, and a power output flange, and the diameter of the large shaft is larger than the diameter of the bearing mounting shaft. The flange not only has a splined shaft hole at its center but also bolt holes that match the flywheel. The gear hub is a cylinder, and the tooth layer of the power input gear is disposed on the side of the gear hub; the structure of the power input tooth layer is consistent with the structure of the power input tooth layer of the double-layer transmission gear. The power of the drive motor is input from the power input gear of the gear transmission, passes through a double-layer transmission gear, and is finally output from the power output gear.

[0014] The beneficial effects of this invention are that it is highly practical, efficient, and environmentally friendly, and the drive motor transmits power to the outside through a gear transmission. Attached Figure Description

[0015] Figure 1 This is a simplified schematic diagram of the present invention. Figure 2 This is a schematic diagram of the meshing states of the various gears in a gear transmission. Figure 3 This is a simplified schematic diagram of the power output tooth layer of the power input gear and the power output tooth layer of the transmission gear in a gear drive. Figure 4 This is a simplified schematic diagram of the power input tooth layer of the transmission gear and the power input tooth layer of the power output gear in a gear transmission. Detailed Implementation

[0016] To make the technical problems solved, the technical solutions, and the beneficial effects of this invention clearer, the invention will be further described below with reference to the accompanying drawings and embodiments. It should be understood that the embodiments described herein are merely illustrative and not intended to limit the invention.

[0017] An electric motor, the main body of which includes a drive motor and a gear transmission; The rotor of the drive motor is connected to the power input gear of the gear transmission, and the drive motor outputs power to the outside through the power output gear of the gear transmission. The gear transmission body includes a gearbox, a power input gear, a double-layer transmission gear, a power output gear, bearings, a flywheel, an oil pan, an electric drive oil pump, a top cover, and oil lines.

[0018] The gearbox is a hollow cuboid without a top surface, and multiple bearing holes are provided on both sides of the gearbox.

[0019] The power input gear is mounted on the corresponding bearing hole in the gearbox.

[0020] The main components include a power input spline shaft, a gear shaft, a gear hub, and a power output tooth layer.

[0021] The power input spline shaft and gear shaft are located at the center of the two end faces of the gear hub; The power input spline shaft is provided with a spline shaft body, a bearing mounting shaft body, and a large shaft body, and the diameter of the spline shaft body is less than the diameter of the bearing mounting shaft body, which is less than the diameter of the large shaft body.

[0022] The gear shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than the diameter of the bearing mounting shaft body.

[0023] The gear hub is a cylinder, and the side of the gear hub is provided with a power input tooth layer and a power output tooth layer.

[0024] Preferably, the power output tooth layer is a structural component that combines a cuboid and a semi-cylindrical component, with the semi-cylindrical component located at the tooth top and connected to the width of the cuboid component. Preferably, the arc diameter of the semi-cylindrical structure of the power output tooth layer is equal to the width of the cuboid component.

[0025] The bearings for the double-layer transmission gears are mounted on the corresponding bearing holes in the gearbox.

[0026] The transmission gear is a double-layer gear, the main body of which includes a gear shaft, a gear hub, a power input tooth layer, and a power output tooth layer; the gear shaft is provided with a front end shaft and a rear end shaft, which are respectively located at the center of the two end faces of the gear hub; the gear shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than the diameter of the bearing mounting shaft body; the gear hub is a cylinder. The tooth layers of the power input gear and the power output gear are disposed on the side of the gear hub. Preferably, the tooth of the power input tooth layer is a structural component that combines a cuboid and a cylindrical component, with the cylindrical component located at the top of the tooth and the side of the cylindrical component connected to the width of the cuboid component. Preferably, the diameter of the cylindrical component of the power input tooth layer is greater than the width of the cuboid component.

[0027] Preferably, the power output tooth layer is a structural component that combines a cuboid and a semi-cylindrical component, with the semi-cylindrical component located at the tooth top and connected to the width of the cuboid component. Preferably, the arc diameter of the semi-cylindrical structure of the power output tooth layer is equal to the width of the cuboid component.

[0028] The bearing for the power output gear is mounted on the corresponding bearing hole in the gearbox.

[0029] The power output gear mainly comprises a front shaft, a flange shaft, a gear hub, and a power input gear layer. The front shaft and flange shaft are respectively located at the center of two end faces of the gear hub. The front shaft is sequentially provided with a bearing mounting shaft and a large shaft, with the diameter of the large shaft being larger than that of the bearing mounting shaft. The flange shaft is sequentially provided with a large shaft, a bearing mounting shaft, and a power output flange, with the diameter of the large shaft being larger than that of the bearing mounting shaft. The flange not only has a splined shaft hole at its center but also bolt holes that match the flywheel. The gear hub is a cylinder. The gear layers of the power input gear and the power output gear are located on the side of the gear hub. The structure of the power input gear layer is consistent with the structure of the power input gear layer of a double-layer transmission gear.

[0030] The teeth of the power input gear can mesh with the teeth of the power input tooth layer of the adjacent double-layer transmission gear, and the teeth of the power output tooth layer of the double-layer transmission gear can mesh with the teeth of the power input tooth layer of the adjacent gear.

[0031] Power is input from the power input gear, passes through a double-layer transmission gear, and is finally output from the power output gear.

[0032] The oil pan is installed on the bottom surface of the gearbox, and the oil pan is equipped with an electric drive oil pump; the oil outlet of the electric drive oil pump is equipped with an oil pipeline; the oil pipeline is not only installed at the oil outlet of the oil pump, but also on the top cover.

[0033] The top cover is installed on the top surface of the gearbox, and the top cover is provided with an oil outlet that matches the power input gear, the double-layer transmission gear, and the power output gear.

[0034] The more transmission gears there are, the smoother the output power will be.

[0035] Power is input from the splined shaft of the power input gear, passes through the transmission gear, and is finally output from the power output gear.

[0036] The flywheel is mounted on the flange of the power output gear and is provided with bolt holes and spline holes that match the flange.

[0037] This invention is characterized by its strong practicality, high work efficiency, and green environmental protection. The drive motor transmits power to the outside through a gear transmission.

[0038] The above are merely preferred embodiments for illustrative purposes. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this invention shall fall within the protection scope of this invention.

Claims

1. An electric motor unit, characterized in that, The main components include a drive motor and a gear transmission. The rotor of the drive motor is connected to the power input gear of the gear transmission, and the drive motor outputs power to the outside through the power output gear of the gear transmission. The gear transmission device mainly includes a gearbox, a power input gear, a double-layer transmission gear, a power output gear, and bearings; The gearbox is a hollow cuboid without a top surface, and multiple bearing holes are provided on both sides of the gearbox. The power input gear is mounted on the corresponding bearing hole in the gearbox; The main components include a power input spline shaft, a gear shaft, a gear hub, and a power output gear layer; The power input spline shaft and gear shaft are located at the center of the two end faces of the gear hub; The gear hub is a cylinder, and the side of the gear hub is provided with a power output tooth layer; The power output tooth layer is a structural component that combines a cuboid and a semi-cylindrical component. The semi-cylindrical component is located at the top of the tooth and is connected to the width of the cuboid component. The arc diameter of the semi-cylindrical structure of the power output tooth layer is equal to the width of the cuboid component; The double-layer transmission gear bearings are mounted on the corresponding bearing holes in the gearbox; The transmission gear is a double-layer gear, mainly comprising a gear shaft, a gear hub, a power input gear layer, and a power output gear layer. The gear shaft has a front end shaft and a rear end shaft, respectively located at the center of the two end faces of the gear hub. The gear shaft also includes a large shaft body and a bearing mounting shaft body, with the diameter of the large shaft body being larger than the diameter of the bearing mounting shaft body. The gear hub is a cylinder. The gear teeth of the power input gear and the gear teeth of the power output gear are located on the side of the gear hub. The tooth of the power input tooth layer is a structural component that combines a cuboid and a cylindrical component. The cylindrical component is located at the top of the tooth, and the side of the cylindrical component is connected to the width of the cuboid component. The diameter of the cylindrical component of the power input tooth layer is greater than the width of the cuboid component; The structure of the power output tooth layer is consistent with the structure of the power output tooth layer of the power input gear; The power output gear bearing is mounted on the corresponding bearing hole in the gearbox; The power output gear mainly includes a front shaft, a flange shaft, a gear hub, and a power input gear layer. The front shaft and the flange shaft are respectively located at the center of the two end faces of the gear hub. The front shaft is sequentially provided with a bearing mounting shaft and a large shaft, and the diameter of the large shaft is larger than the diameter of the bearing mounting shaft. The flange shaft is sequentially provided with a large shaft, a bearing mounting shaft, and a power output flange, and the diameter of the large shaft is larger than the diameter of the bearing mounting shaft. The flange not only has a splined shaft hole at its center but also bolt holes that match the flywheel. The gear hub is a cylinder, and the tooth layer of the power input gear is disposed on the side of the gear hub; the structure of the power input tooth layer is consistent with the structure of the power input tooth layer of the double-layer transmission gear.

2. According to claim 1, an electric motor assembly, characterized in that, The power of the drive motor is input from the power input gear of the gear transmission, passes through a double-layer transmission gear, and is finally output from the power output gear.

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