Compressor

Abstract

Disclosed herein is a compressor having an improved oil supply structure. The compressor includes: a case; a stator, accommodated in the case, and including a stator core; a rotor rotatably disposed in an inside of the stator core; a bracket coupled to a lower portion of the stator core; a rotation shaft configured to rotate together with the rotor, and having a cavity for raising oil stored in the case; a pickup shaft accommodated in the cavity; and a support member connected to the pickup shaft to support the pickup shaft, and coupled to the bracket.

What is claimed is: 
     
         1 . A compressor comprising:
 a case;   a stator, accommodated in the case, and including a stator core;   a rotor rotatably disposed in an inside of the stator core;   a bracket coupled to a lower portion of the stator core;   a rotation shaft configured to rotate together with the rotor, and having a cavity for raising oil stored in the case;   a pickup shaft accommodated in the cavity; and   a support member connected to the pickup shaft to support the pickup shaft, and coupled to the bracket.   
     
     
         2 . The compressor according to  claim 1 , wherein
 the stator includes an insulator disposed below the stator core, and   the bracket is made of a material having higher strength than a material of the insulator.   
     
     
         3 . The compressor according to  claim 1 , wherein the bracket is made of steel. 
     
     
         4 . The compressor according to  claim 1 , wherein the bracket comprises a bracket body, and a coupling portion which is provided in the bracket body and to which the support member is coupled. 
     
     
         5 . The compressor according to  claim 4 , wherein the coupling portion comprises a coupling portion body extending downward from the bracket body, and an accommodating space which is provided in the coupling portion body and in which the support member is inserted. 
     
     
         6 . The compressor according to  claim 5 , wherein the support member comprises an insertion portion inserted in the accommodating space. 
     
     
         7 . The compressor according to  claim 6 , wherein the insertion portion inserted in the accommodating space is positioned between the coupling portion body and the stator core. 
     
     
         8 . The compressor according to  claim 6 , wherein the insertion portion inserted in the accommodating space is spaced from the bracket body. 
     
     
         9 . The compressor according to  claim 6 , wherein the support member further comprises an extension portion bent from the insertion portion, and the pickup shaft comprises a through portion which the extension portion penetrates. 
     
     
         10 . The compressor according to  claim 9 , wherein the extension portion comprises a first extension portion bent downward from the insertion portion, and a second extension portion bent from the first extension portion and penetrating the through portion. 
     
     
         11 . The compressor according to  claim 5 , wherein a diameter of the accommodating space is equal to or smaller than three times a diameter of the support member. 
     
     
         12 . A compressor comprising:
 a case;   a stator, accommodated in the case, and including a stator core;   a rotor rotatably disposed in an inside of the stator core;   a bracket coupled to a lower portion of the stator core;   a rotation shaft configured to rotate together with the rotor, and having a cavity for raising oil stored in the case;   a pickup shaft accommodated in the cavity; and   a support member connected to the pickup shaft to support the pickup shaft, and coupled to the stator core.   
     
     
         13 . The compressor according to  claim 12 , wherein the stator core comprises a coupling portion which is disposed in an outer wall of the stator core and to which the support member is coupled. 
     
     
         14 . The compressor according to  claim 13 , wherein
 the stator includes a stator coil,   the stator core comprises
 a core body, and 
 a winding portion extending inward from the core body, 
   the stator coil is wound around the winding portion, and   the coupling portion is provided in the core body.   
     
     
         15 . The compressor according to  claim 13 , wherein
 the stator core comprises a plurality of unit cores stacked on one another, and   the coupling portion comprises
 a coupling portion body extending downward from a lowest unit core of the plurality of unit cores, and 
 an accommodating space which is provided in the coupling portion body and in which the support member is inserted. 
   
     
     
         16 . The compressor according to  claim 14 , wherein
 the core body comprises
 a first core body to which the bracket is coupled, and 
 a second core body extending from the first core body, and 
   the coupling portion is provided in the second core body.   
     
     
         17 . The compressor according to  claim 13 , wherein the support member comprises an insertion portion inserted in the coupling portion 
     
     
         18 . A compressor comprising:
 a case;   a stator core accommodated in the case;   a rotor rotatably disposed in an inside of the stator core;   a bracket coupled to a lower portion of the stator core;   a rotation shaft rotating together with the rotor, and having a cavity for raising oil stored in the case;   a pickup shaft coupled to the cavity, and supported on the bracket or the stator core; and   a support member having an extension portion coupled to the pickup shaft to support the pickup shaft, and an insertion portion bent from the extension portion and inserted in the bracket.   
     
     
         19 . The compressor according to  claim 18 , wherein the bracket comprises a coupling portion in which the support member is inserted. 
     
     
         20 . The compressor according to  claim 19 , wherein the bracket further comprises a bracket body, and
 wherein the coupling portion extends downward from the bracket body and in which the insertion portion is inserted.