Cover module and electric blower having the same

Abstract

Disclosed herein is a cover module, including: a cover covering an impeller connected to a rotating shaft; a housing receiving a driving module coupled with the cover and including the rotating shaft; and a coupling member coupling the cover with the housing, wherein the cover is provided with a coupling part in an axial direction of the rotating shaft, the housing is provided with a coupling part corresponding to the coupling part of the cover in the axial direction of the rotating shaft, and the coupling member is fixed to the coupling part of the cover and the coupling part of the housing.

What is claimed is: 
     
         1 . A cover module, comprising:
 a cover covering an impeller connected to a rotating shaft;   a housing receiving a driving module coupled with the cover and including the rotating shaft; and   a coupling member coupling the cover with the housing,   wherein the cover is provided with a coupling part in an axial direction of the rotating shaft, the housing is provided with a coupling part corresponding to the coupling part of the cover in the axial direction of the rotating shaft, and the coupling member is fixed to the coupling part of the cover and the coupling part of the housing.   
     
     
         2 . The cover module as set forth in  claim 1 , wherein the coupling part of the cover is formed as a coupling hole, the coupling part of the housing is formed as a coupling groove, and the coupling member is inserted into the coupling hole of the cover and is coupled with the coupling groove of the housing. 
     
     
         3 . The cover module as set forth in  claim 1 , wherein the cover is further provided with an assembly guide part formed as a projection or a groove and the coupling part of the housing is further provided with an assembly guide part formed as a groove or a projection corresponding to the assembly guide part of the cover. 
     
     
         4 . The cover module as set forth in  claim 1 , wherein the coupling part of the housing is further provided with a front coupling groove and a front assembly guide part and the front coupled with the housing is provided with a coupling hole corresponding to the front coupling groove of the housing and a guide projection corresponding to the front assembly guide part. 
     
     
         5 . The cover module as set forth in  claim 1 , wherein the coupling part of the housing is formed to protrude axially toward the cover and protrude to an inside of the housing. 
     
     
         6 . The cover module as set forth in  claim 5 , wherein the inside of the housing is inserted with a stator core, and
 a non-protruding region other than the coupling part in the housing is provided with a stator core coupling part.   
     
     
         7 . The cover module as set forth in  claim 6 , further comprising:
 a coupling member coupled with the stator core coupling part,   wherein the coupling member supports an upper end of the stator core.   
     
     
         8 . The cover module as set forth in  claim 6 , wherein an inner circumferential surface of the housing is inserted with a part of the stator core and is further provided with a stator core insertion supporting groove to which a lower end of a part of the stator core is supported. 
     
     
         9 . An electric blower, comprising:
 an impeller provided with a blade to absorb external air;   a diffuser guiding the external air introduced by the impeller;   a cover covering the impeller and the diffuser;   a driving module including a rotating shaft coupled with the impeller;   a front inserted with a bearing rotatably supporting the rotating shaft; and   a housing receiving the driving module and coupled with the cover, wherein the cover is provided with a coupling part in an axial direction of the rotating shaft, the housing is provided with a coupling part corresponding to the coupling part of the cover in the axial direction of the rotating shaft, and the coupling member is fixed to the coupling part of the cover and the coupling part of the housing.   
     
     
         10 . The electric blower as set forth in  claim 9 , wherein the driving module includes:
 a rotating shaft connected to the impeller and rotating the impeller;   a magnet coupled with an outer circumferential surface of the rotating shaft;   an armature facing the magnet and formed of a stator core and a coil; and   a bearing rotatably supporting the rotating shaft.   
     
     
         11 . The electric blower as set forth in  claim 9 , further comprising:
 a coupling member coupled with the stator core coupling part formed at an inside of the housing and supporting an upper end of the stator core.   
     
     
         12 . The electric blower as set forth in  claim 9 , wherein the stator core is provided with a coupling protrusion, and
 an inner circumferential surface of the housing is inserted with the coupling protrusion of the stator core and is further provided with a stator core insertion supporting groove to which a lower end of the coupling protrusion is supported.   
     
     
         13 . The electric blower as set forth in  claim 9 , wherein the coupling part of the cover is formed as a coupling hole, the coupling part of the housing is formed as a coupling groove, the coupling member is inserted into the coupling hole of the cover and is coupled with the coupling groove of the housing. 
     
     
         14 . The electric blower as set forth in  claim 9 , wherein the cover is further provided with an assembly guide part formed as a projection or a groove and the coupling part of the housing is further provided with an assembly guide part formed as a groove or a projection corresponding to the assembly guide part of the cover. 
     
     
         15 . The electric blower as set forth in  claim 9 , wherein the coupling part of the housing is further provided with a front coupling groove and a front assembly guide part, the front is provided with a coupling hole corresponding to the front coupling groove of the housing and a guide projection corresponding to the front assembly guide part. 
     
     
         16 . The electric blower as set forth in  claim 9 , wherein the coupling part of the to housing is formed to protrude axially toward the cover and protrude to an inside of the housing.