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CN-224233412-U - Motor structure

CN224233412UCN 224233412 UCN224233412 UCN 224233412UCN-224233412-U

Abstract

The utility model relates to the technical field of motors, in particular to a motor structure which comprises a base, a stator assembly, a rotor assembly and a shell assembly, wherein the base comprises a first connecting end, a middle end and a second connecting end, the stator assembly is arranged at the middle end, the shell assembly comprises a first end cover, a second end cover and a shell body, a first riveting part and a second riveting part are respectively arranged at two ends of the shell body, the first end cover is provided with a first riveting groove, the first riveting part is used for riveting the first riveting groove, the second end cover is provided with a second riveting groove, and the second riveting part is used for riveting the second riveting groove. According to the utility model, through the riveting connection structure, not only is the assembly process simplified, but also the connection strength between the end cover and the outer shell is enhanced, the loosening risk in the operation process is reduced, and the integral reliability of the motor is improved.

Inventors

  • YU YANAN
  • YANG YINGJIE
  • GUO JIAN

Assignees

  • 本末动力(北京)科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250421

Claims (10)

  1. 1. The motor structure is characterized by comprising a base, a control board, a stator assembly, a rotor assembly and a shell assembly, wherein the base comprises a first connecting end, a middle end and a second connecting end, the stator assembly is arranged at the middle end, the base is provided with an installation part, the stator assembly is arranged on the periphery of the installation part, one surface of the installation part, facing the first end cover, is provided with an installation table, the installation table is provided with the control board, the middle end is provided with a wiring groove, one end of the wiring groove is communicated with the end part of the first connecting end, the other end of the wiring groove is communicated with the installation table, and the rotor assembly is arranged in the shell assembly and opposite to the stator assembly.
  2. 2. The motor structure according to claim 1, wherein the mounting table is provided with a mounting hole, the control board is fixed on the mounting hole by a screw, and the mounting table is provided with a clearance sinking groove.
  3. 3. The motor structure according to claim 1, wherein the end portion of the first connecting end is provided with a first connecting hole, a plurality of first connecting holes are formed, the second connecting end is provided with a second connecting hole, and the second connecting hole is formed at the axis of the second connecting end.
  4. 4. The motor structure according to any one of claims 1 to 3, wherein the housing assembly comprises a first end cover, a second end cover and a housing body, the first connecting end is provided with a first bearing, the second connecting end is provided with a second bearing, the inner periphery of the first end cover is connected with the first bearing, the outer periphery of the first end cover is connected with the housing body, and the inner periphery of the second end cover is connected with the second bearing, and the outer periphery of the second end cover is connected with the housing body.
  5. 5. The motor structure according to claim 4, wherein the first connecting end is provided with a first mounting step, the second connecting end is provided with a second mounting step, the first bearing is provided on the first mounting step, and the second bearing is provided on the second mounting step.
  6. 6. The motor structure of claim 4, wherein the first end cover is provided with a magnetic ring step on the outer side of the first bearing, and an induction magnetic ring is arranged on the magnetic ring step and is opposite to the control board.
  7. 7. The motor structure of claim 4, wherein the first end cap is provided with a first mating step for connecting to a first bearing, and the second end cap is provided with a second mating step for connecting to a second bearing.
  8. 8. The motor structure of claim 4, wherein a first positioning step is arranged on the outer side of the first end cover, a second positioning step is arranged on the outer side of the second end cover, the first positioning step is used for positioning the first end of the outer shell, and the second positioning step is used for positioning the second end of the outer shell.
  9. 9. The motor structure of claim 4, wherein the outer housing has a first rivet portion and a second rivet portion at each end, the first end cap has a first rivet groove, the first rivet portion is used for riveting the first rivet groove, the second end cap has a second rivet groove, and the second rivet portion is used for riveting the second rivet groove.
  10. 10. The motor structure of claim 9, wherein the first riveting portion and the second riveting portion are provided with a plurality of first riveting grooves and second riveting grooves, the number of the first riveting grooves and the second riveting grooves is matched with that of the first riveting portions and the second riveting portions, a first cambered surface is arranged at a notch of the first riveting groove, and a second cambered surface is arranged at a notch of the second riveting groove.

Description

Motor structure Technical Field The utility model relates to the technical field of motors, in particular to a motor structure. Background An electric motor, which is a device for converting electric energy into mechanical energy (or vice versa), plays a vital role in modern industry and daily life. From a professional perspective, the motor mainly works based on the principle of electromagnetic induction, and the core components of the motor generally comprise a stator, a rotor, electromagnetic windings and the like. In an electric machine, the stator is provided as a stationary part, typically with electromagnetic windings for generating a rotating magnetic field. The rotor is used as a rotating part and is stressed to rotate in a rotating magnetic field through electromagnetic induction, so that electric energy is converted into mechanical energy. In addition, the motor is also provided with a plurality of types so as to adapt to different application scenes. The existing motor shell structure generally comprises an end cover and a shell body, and the end cover is fixedly connected with the shell body through screws. The assembly by screw connection is inconvenient and the stability of the movement process is poor, so new improvements are needed for the existing motor housing structure. Disclosure of utility model In order to solve the problems, the motor structure not only simplifies the assembly process, but also enhances the connection strength between the end cover and the outer shell, reduces the loosening risk in the operation process and improves the integral reliability of the motor through the riveting connection structure. The motor structure comprises a base, a stator assembly, a rotor assembly and a shell assembly, wherein the base comprises a first connecting end, a middle end and a second connecting end, the stator assembly is arranged at the middle end, the shell assembly comprises a first end cover, a second end cover and a shell body, the first connecting end is provided with a first bearing, the second connecting end is provided with a second bearing, the inner periphery of the first end cover is connected with the first bearing, the outer periphery of the first end cover is connected with the shell body, the inner periphery of the second end cover is connected with the second bearing, the outer periphery of the second end cover is connected with the shell body, a first riveting part and a second riveting part are respectively arranged at two ends of the shell body, the first end cover is provided with a first riveting groove, the first riveting part is used for riveting the first riveting groove, the second end cover is provided with a second riveting groove, and the rotor assembly is arranged in the shell body and opposite to the stator assembly. According to the technical scheme, the base is provided with the mounting portion, the stator assembly is arranged on the periphery of the mounting portion, the mounting portion is provided with the mounting table towards one face of the first end cover, and the mounting table is provided with the control board. The technical scheme is further improved in that the mounting table is provided with mounting holes, the control board is fixed on the mounting holes through screws, and the mounting table is provided with a clearance sinking groove. The technical scheme is further improved in that the middle end is provided with a wiring groove, one end of the wiring groove is communicated to the end part of the first connecting end, the other end of the wiring groove is communicated to the mounting table, and the wiring groove is used for wiring of the control board. The technical scheme is further improved in that the first connecting end is provided with a first installation step, the second connecting end is provided with a second installation step, the first bearing is arranged on the first installation step, and the second bearing is arranged on the second installation step. According to the scheme, the first end cover is located on the outer side of the first bearing and is provided with a magnetic ring step, an induction magnetic ring is arranged on the magnetic ring step, and the induction magnetic ring is opposite to the control board. The technical scheme is further improved in that the end part of the first connecting end is provided with a plurality of first connecting holes, the second connecting end is provided with a second connecting hole, and the second connecting hole is arranged at the axle center of the second connecting end. According to a further improvement of the scheme, the first end cover is provided with a first matching step, the first matching step is used for being connected with the first bearing, the second end cover is provided with a second matching step, and the second matching step is used for being connected with the second bearing. The improvement of the scheme is that the outer side of the first end cover is pr