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Stator structure of reciprocating motor
| Details |
Inventors: Park, Kyeong Bae;
Assignee: LG Electronics Inc. (Seoul, KR)
Primary Examiner: Mullins; Burton
Assistant Examiner:
Attorney, Agent or Firm: Birch, Stewart, Kolasch & Birch, LLP
A stator structure of reciprocating motor is provided. The stator structure includes a cylindrical stacked core having a plurality of lamination sheets each having a hanging groove, and an elastic ring elastically inserted into and fixed to the hanging groove. The lamination sheets are arranged extending radially and axially with respect to a longitudinal centerline of the cylindrical stacked core. Accordingly, the cylindrical stacked core is firm and the fastening strength between the cylindrical stacked core and an outer core is improved. Therefore, the reliability of the stator structure is improved. Also, it is possible to reduce manufacturing costs and to improve assembly productivity. |
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DETAILED DESCRIPTION Therefore, an object of the present invention is to provide a stator structure of a reciprocating motor, which is capable of simplifying the processing and the assembling of parts.
One or more of these and other objects of the present invention are accomplished by a stator structure for a reciprocating motor, said stator structure comprising a cylindrical, stacked core having a plurality of lamination sheets, wherein each of said lamination sheets extends radially and axially with respect to a longitudinal centerline of said cylindrical, stacked core: a plurality of hanging grooves, wherein each of said hanging grooves includes a receiving groove and a settling groove being recessed and formed within said receiving groove, and at least one of said hanging grooves is respectively provided for each of said lamination sheets; and an elastic ring being elastically inserted into and secured within said hanging grooves for securing said lamination sheets to said cylindrical, stacked core.
One or more of these and other objects of the present invention are also accomplished by a reciprocating motor having a stator structure, a winding coil combined with said stator structure, and a moving magnet between an inner core and an outer core of said stator structure, said stator structure comprising a cylindrical, stacked core having a plurality of lamination sheets, wherein each of said lamination sheets extends radially and axially with respect to a longitudinal centerline of said cylindrical, stacked core; a plurality of hanging grooves, wherein each of said hanging grooves includes a receiving groove and a settling groove being recessed and formed within said receiving groove, and at least one of said hanging grooves is respectively provided for each of said lamination sheets; and at least one elastic ring being elastically inserted into and secured within said hanging grooves for securing said lamination sheets to said cylindrical stacked core.
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings
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