Concentric positioning modular motor

Abstract

This invention discloses a concentrically positioned modular motor, comprising a housing, a stator structure, a rotor structure, and a connecting structure. The stator and rotor structures are housed within the housing. The stator core of the stator structure is assembled to the inner side of the stator housing. The stator housing and stator end caps are connected via first locating pins in the connecting structure, with the stator end caps assembled to the bottom side of the stator housing. The rotor end cap of the rotor structure is fitted onto the rotor shaft. The stator housing and rotor end caps are connected via second locating pins in the connecting structure, with the rotor end caps assembled to the top side of the stator housing. By replacing conventional bolts with first and second locating pins, further machining of threaded structures is eliminated, reducing manufacturing costs and saving the space occupied by bolts.

Claims

1. A concentrically positioned modular motor, comprising: a housing; a stator structure disposed within the housing, the stator structure having a stator housing, a stator end cover, and a stator core, the stator core being assembled to the inner side of the stator housing, and the stator end cover being assembled to one end of the stator housing; a rotor structure disposed within the housing, the rotor structure having a rotor end cover and a rotor shaft, the rotor end cover being sleeved on the rotor shaft; and a connecting structure having a plurality of first positioning pins and a plurality of second positioning pins, the first positioning pins being respectively fixed to the stator housing and the stator end cover of the stator structure, such that the bottom side of the stator housing and the stator end cover are assembled to each other, and the second positioning pins being respectively fixed to the stator housing of the stator structure and the rotor end cover of the rotor structure, such that the top side of the stator housing and the rotor end cover are assembled to each other.

2. The concentrically positioned modular motor as described in claim 1, wherein the housing has an upper flange, a lower flange and a housing body, the top end of the housing body is connected to the upper flange, the lower flange is disposed on the outer peripheral surface of the housing body near the bottom end, and the end of the housing body near the bottom end is tapered.

3. The concentrically positioned modular motor as described in claim 1, wherein the top and bottom surfaces of the stator housing of the stator structure are respectively recessed to form a plurality of assembly holes, the stator end cap forms a plurality of lower fixing holes penetrating the top and bottom surfaces, and the rotor end cap of the rotor structure forms a plurality of upper fixing holes penetrating the top and bottom surfaces, such that the first positioning pins are fixed in the assembly holes and the lower fixing holes on the bottom surface of the stator housing, and the second positioning pins are fixed in the assembly holes and the upper fixing holes on the top surface of the stator housing.

4. The concentrically positioned modular motor as described in claim 1, wherein welding is performed on the side where the stator housing of the stator structure is assembled with the stator end cover, and welding is also performed on the side where the stator housing is assembled with the rotor end cover of the rotor structure.

5. The concentrically positioned modular motor as described in claim 1, wherein the stator housing and stator end cover of the stator structure are further connected by a plurality of riveting members, and the stator housing and the rotor end cover of the rotor structure are also connected by a plurality of riveting members.

Images