CN219329670U - Synchronous motor - Google Patents

Abstract

The utility model relates to a synchronous motor, wherein the input end of a gear box is movably connected with a motor shaft core; fixing a rotor device on a motor shaft core; a stator device is arranged outside the rotor device; the stator device is fixed on the shell of the gear box; a wiring assembly is fixed at the outer side of the gear box at one side of the stator device; a rotor device is fixed on a motor shaft core; a stator device is arranged outside the rotor device; after the stator device is fixed on the shell of the gear box, the volume of the synchronous motor is effectively reduced, and the technical problems that in the prior art, under the condition of the same power, the volume of the synchronous motor is larger than that of the asynchronous motor, and in some occasions, the installation and the use of the synchronous motor are influenced due to the larger volume of the synchronous motor are solved.

Description

Synchronous motor

Technical Field

Embodiments of the present utility model relate to an electric machine, and more particularly, to a synchronous electric machine.

Background

In the prior art, under the condition of the same power, the volume of the synchronous motor is larger than that of the asynchronous motor, and in some occasions, the installation and the use of the synchronous motor are influenced due to the larger volume of the synchronous motor.

Disclosure of Invention

An object of an embodiment of the present utility model is to provide a synchronous motor having a small volume.

In order to achieve the above object, an embodiment of the present utility model provides a synchronous motor including:

a gear box;

the input end of the gear box is movably connected with the motor shaft core;

a rotor device fixed on the motor shaft core;

a stator device arranged outside the rotor device; the stator device is fixed on the shell of the gear box;

and the wiring assembly is fixed on the outer side of the gear box at one side of the stator device.

Further, in the synchronous motor, one end of the motor shaft core is provided with a bevel gear shape for transmission.

Further, in the synchronous motor, the rotor device further includes:

a rotor yoke which is press-fit with the motor shaft core in an interference fit manner;

a magnet ring fixed to the rotor yoke;

ball bearings on both sides of the rotor yoke; and the ball bearings are pressed in interference at two ends of the motor shaft core.

Further, in the synchronous motor, the stator device; further comprises:

the stator assembly is sleeved outside the rotor device;

the motor shell is pressed into the motor shell by interference fit of the stator assembly;

positioning plates are arranged at two ends of the rotor device, the bearing holes on the positioning plates are matched with the ball bearings,

a snap spring above the rotor device; the clamping springs are clamped into clamping spring holes above the motor shell, and the positioning plate is fixed.

Further, in the synchronous motor, one of the ball bearings is pressed into a bearing hole in the gear case.

Further, in the synchronous motor, the motor housing is fixed to the gear case by screws.

Further, in the synchronous motor, the wiring assembly further includes:

the junction box seat is fixed on the shell of the gear box;

the terminal is fixed in the junction box seat in an interference fit manner;

the capacitor is clamped below the junction box seat; connecting the capacitor with the stator device at a terminal;

the junction box cover is clamped above the junction box seat.

Further, in the synchronous motor, the synchronous motor is a single-phase motor.

Compared with the prior art, the embodiment of the utility model has the advantages that the input end of the gear box is movably connected with the motor shaft core; fixing a rotor device on a motor shaft core; a stator device is arranged outside the rotor device; the stator device is fixed on the shell of the gear box; a wiring assembly is fixed at the outer side of the gear box at one side of the stator device; a rotor device is fixed on a motor shaft core; a stator device is arranged outside the rotor device; after the stator device is fixed on the shell of the gear box, the volume of the synchronous motor is effectively reduced, and the technical problems that in the prior art, under the condition of the same power, the volume of the synchronous motor is larger than that of the asynchronous motor, and in some occasions, the installation and the use of the synchronous motor are influenced due to the larger volume of the synchronous motor are solved.

Drawings

FIG. 1 is a schematic diagram of an explosive structure of the present utility model;

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present utility model, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be realized without these technical details and various changes and modifications based on the following embodiments.

An embodiment of the present utility model relates to a synchronous motor, as shown in fig. 1, including:

the gear box 1 in the embodiment is used as a speed reducer and also plays a role in reducing the volume;

the input end of the gear box 1 is movably connected with a motor shaft core 4; the motor shaft core 4 is used for connecting an output shaft of the output power of the synchronous motor in the present embodiment into the gear case 1; directly connected into the gear box 1, the volume of the connecting device is reduced;

a rotor device 10 is fixed on the motor shaft core 4; the rotor device 10 rotationally outputs the power of the motor; fixing the rotor device 10 directly to the motor shaft core 4 also reduces the volume of the rotor device 10, thereby reducing the volume of the entire synchronous motor, resulting in a smaller volume synchronous motor in this embodiment

A stator device 20 is arranged outside the rotor device 10; the stator arrangement 20 is fixed to the housing of the gearbox 1; the stator arrangement 20 acts primarily for excitation; providing a magnetic field to the rotor apparatus 10;

a wiring assembly 30 is fixed at the outside of the gear case 1 at one side of the stator device 20; the wiring assembly 30 is mainly used for connecting a power supply to the stator device 20; in the case of using the rotor device 10 fixed on the motor shaft core 4; a stator device 20 is arranged outside the rotor device 10; after such a structure that the stator device 20 is fixed on the housing of the gear case 1, the volume of the synchronous motor is effectively reduced, and the technical problems that in the prior art, under the condition of the same power, the volume of the synchronous motor is larger than that of the asynchronous motor, and in some occasions, the installation and the use of the synchronous motor are influenced due to the larger volume of the synchronous motor are solved.

In order to achieve the above technical effects, the synchronous motor in the present embodiment, as shown in fig. 1, is arranged in a bevel gear shape on one end of the motor shaft core 4 for transmission; with this structure, the volume of the transmission structure of the motor shaft core 4 is reduced, thereby reducing the overall volume of the synchronous motor in the present embodiment.

To achieve the above technical effects, the synchronous motor in this embodiment, as shown in fig. 1, the rotor apparatus 10 further includes:

the rotor yoke 6 is press-fit in the motor shaft core 4 in an interference fit manner; a magnet ring 7 is fixed on a rotor yoke 6 to form an excitation structure of the rotor;

a magnet ring 7 is fixed on the rotor yoke 6;

on both sides of the rotor yoke 6; ball bearings 3 are pressed in interference at both ends of the motor shaft core 4. The ball bearing 3 is mainly used for supporting the rotor during rotation.

To achieve the above technical effects, the synchronous motor in the present embodiment, as shown in fig. 1, includes a stator device 20; further comprises:

sleeving the stator assembly 8 on the outer side of the rotor device 10;

pressing the stator assembly 8 into the motor housing 9 by interference fit; after the stator assembly 8 is pressed into the motor casing 9, the volume of the synchronous motor in the embodiment can be reduced;

positioning plates 12 are installed at both ends of the rotor device 10, the positioning plates 12 are installed, bearing holes on the positioning plates 12 are matched with the ball bearings 3,

above the rotor device 10; the snap spring 11 is clamped into a snap spring hole above the motor shell 9 and fixes the positioning plate 12. By utilizing the structure of the snap spring 11, the bolt structure used in the past is changed, and the volume of the synchronous motor in the embodiment is reduced.

To achieve the above technical effect, in the synchronous motor of the present embodiment, as shown in fig. 1, one of the ball bearings 3 is pressed into a bearing hole on the gear case 1. This further reduces the volume of the ball bearing 3 when it is mounted, and changes the conventional method of using a bearing housing.

To achieve the above technical effect, the synchronous motor in the present embodiment, as shown in fig. 1, a motor housing 9 is fixed to a gear case 1 by screws 10.

To achieve the above technical effects, in the synchronous motor of the present embodiment, as shown in fig. 1, the wiring assembly 30 further includes:

a junction box seat 13 is fixed on the shell of the gear box 1;

a terminal 15, which is fixed by interference fit in the terminal block seat 13;

a capacitor 14 is clamped below the junction box seat 13; connecting the capacitor 14 with the stator arrangement 20 at the terminal 15; the capacitor 14 is clamped under the terminal block 13, mainly to reduce the volume of the synchronous motor in the present embodiment.

A junction box cover 16 is engaged above the junction box seat 13. The junction box cover 16 is clamped above the junction box seat 13, and the volume of the synchronous motor in the embodiment can be reduced.

In order to achieve the above technical effects, the synchronous motor in this embodiment is a single-phase motor as shown in fig. 1.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the utility model and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.

Claims (8)

1. A synchronous motor, comprising:

a gear box;

the input end of the gear box is movably connected with the motor shaft core;

a rotor device fixed on the motor shaft core;

a stator device arranged outside the rotor device; the stator device is fixed on the shell of the gear box;

and the wiring assembly is fixed on the outer side of the gear box at one side of the stator device.

2. A synchronous motor as claimed in claim 1, characterized in that the drive is arranged in a bevel gear form at one end of the motor shaft core.

3. The synchronous machine of claim 1, wherein the rotor assembly further comprises:

a rotor yoke which is press-fit with the motor shaft core in an interference fit manner;

a magnet ring fixed to the rotor yoke;

ball bearings on both sides of the rotor yoke; and the ball bearings are pressed in interference at two ends of the motor shaft core.

4. The synchronous machine of claim 1 wherein said stator means; further comprises:

the stator assembly is sleeved outside the rotor device;

the motor shell is pressed into the motor shell by interference fit of the stator assembly;

positioning plates are arranged at two ends of the rotor device, the bearing holes on the positioning plates are matched with the ball bearings,

a snap spring above the rotor device; the clamping springs are clamped into clamping spring holes above the motor shell, and the positioning plate is fixed.

5. A synchronous machine as claimed in claim 3, wherein one of the ball bearings is pressed into a bearing hole in the gearbox.

6. The synchronous motor of claim 4, wherein the motor housing is secured to the gear box by screws.

7. The synchronous machine of claim 1, wherein the wiring assembly further comprises:

the junction box seat is fixed on the shell of the gear box;

the terminal is fixed in the junction box seat in an interference fit manner;

the capacitor is clamped below the junction box seat; connecting the capacitor with the stator device at a terminal;

the junction box cover is clamped above the junction box seat.

8. The synchronous motor according to any one of claims 1-7, wherein the synchronous motor is a single-phase motor.

Images