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US 11,680,606 B2Granted
Coupler and motor assembly including same
AssigneeLG Innotek Co., Ltd.
InventorsYong Joo Kim, Young Gu Kang
Life of this patent
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Abstract
The present invention provides a coupler comprising: an inner insertion part including a through-hole; and an outer support part for encompassing the outside of the inner insertion part, wherein the inner insertion part includes a connection groove through which the outer support part passes, the outer support part includes at least one projection part protruding in the center direction of the through-hole, and the projection part includes a groove part.
Claims15
A coupler comprising:
- an inner insertion part having an aperture extending in an axial direction;
- and
- an outer support part surrounding and contacting a portion of an outer surface of the inner insertion part that faces the axial direction,
- wherein the inner insertion part includes:
- a cylindrical-shaped protruding part having the aperture disposed at a center thereof;
- and
- a polygonal-shaped plate configured to extend in a radial direction from an outer circumferential surface of the protruding part,
- wherein the outer support part includes:
- an accommodation part coupled to the plate;
- a cylindrical outer wall configured to extend from an edge of the accommodation part;
- an outer protruding part in contact with the protruding part of the inner insertion part;
- and
- a plurality of projection parts extending axially from a first end of the outer support part toward a second end of the outer support part, the plurality of projection parts extending toward the protruding part of the inner insertion part from an inner side of the outer wall,
- wherein the outer protruding part has a surface that is substantially flush with a surface of the protruding part of the inner insertion part,
- wherein the plate includes a plurality of connection grooves, and
- wherein the accommodation part is disposed in the connection grooves.
13 more elements
A motor assembly comprising:
- a rotary shaft;
- a rotor including a hole in which the rotary shaft is disposed;
- a stator disposed at an outer sides of the rotor;
- a housing configured to accommodate the rotor and the stator;
- and
- a coupler coupled to the rotary shaft,
- wherein the coupler includes:
- an inner insertion part having an aperture extending in an axial direction;
- and
- an outer support part surrounding an outer surface of the inner insertion part that faces the axial direction,
- wherein the inner insertion part includes:
- a cylindrical-shaped protruding part having the aperture disposed at a center thereof;
- and
- a polygonal-shaped plate configured to extend in a radial direction from an outer circumferential surface of the protruding part,
- wherein the outer support part includes:
- an accommodation part coupled to the plate;
- a cylindrical outer wall configured to extend from an edge of the accommodation part;
- an outer protruding part in contact with the protruding part of the inner insertion part;
- and
- a plurality of projection parts extending axially from a first end of the outer support part toward a second end of the outer support part, and the plurality of projection parts extending toward the protruding part of the inner insertion part from an inner side of the outer wall,
- wherein the outer protruding part has a surface that is substantially flush with a surface of the protruding part of the inner insertion part,
- wherein the plate includes a plurality of connection grooves, and
- wherein the accommodation part is disposed in the connection grooves.
20 more elements
Dependencies are inferred from the claim text.