Laundry treating apparatus

Abstract

Disclosed is a laundry treating apparatus. The laundry treating apparatus includes: a housing; a tub disposed inside the housing and having an extended cylindrical shape; a drum rotatably disposed on the tub; a driving part disposed below the tub and connected to the drum; a first bracket extending from the housing toward the tub, having a first through hole opened up and down, and having a cutout connected to the first through hole in an outer circumferential wall; a second bracket extending from the tub toward the housing, spaced apart from a lower side of the first bracket, and having a second through-hole opened up and down; and a suspension extending between the first bracket and the second bracket and connected to the first bracket and the second bracket. The suspension includes: an upper block disposed in an upper portion of the first bracket; a lower block disposed below the second bracket; a connecting bar passing through the upper block and the lower block, extending in a longitudinal direction of the tub, and having a diameter smaller than a width of the cutout; a spring extending along an up-down direction, disposed below the upper block, and surrounding the connecting bar; and a middle block disposed between the upper block and the spring to be movable downward with respect to the upper block, and having the connecting passing therethrough.

What is claimed is: 
     
         1 . A laundry treating apparatus comprising:
 a housing;   a tub disposed inside the housing and having an extended cylindrical shape;   a drum rotatably disposed in the tub;   a driving part disposed below the tub and connected to the drum;   a first bracket extending from the housing toward the tub, having a first through hole opened up and down, and having a cutout connected to the first through hole in an outer circumferential wall;   a second bracket extending from the tub toward the housing, spaced apart from a lower side of the first bracket, and having a second through-hole opened up and down; and   a suspension extending between the first bracket and the second bracket and connected to the first bracket and the second bracket,   wherein the suspension comprises:
 an upper block disposed on the first bracket; 
 a lower block disposed below the second bracket; 
 a connecting bar passing through the upper block and the lower block, extending in a longitudinal direction of the tub, and having a diameter smaller than a width of the cutout; 
 a spring extending along an up-down direction, disposed below the upper block, and surrounding the connecting bar; and 
 a first middle block disposed between the upper block and the spring to be movable downward with respect to the upper block, and having the connecting passing therethrough. 
   
     
     
         2 . The laundry treating apparatus  claim 1 , wherein the first middle block is inserted into the first through hole. 
     
     
         3 . The laundry treating apparatus  claim 1 , wherein the first bracket comprises a seating surface inclined inwardly toward the first through hole, and
 wherein the upper block is seated on the seating surface and inserted into the first through hole.   
     
     
         4 . The laundry treating apparatus  claim 1 , further comprising:
 a second middle block spaced apart from a lower side of the first middle block and disposed between the lower block and the spring,   wherein the spring is disposed between the first middle block and the second middle block.   
     
     
         5 . The laundry treating apparatus  claim 4 , wherein the first middle block comprises a bracket fastening hole opened upward, and
 wherein the first bracket comprises a fastening protrusion protruding toward the first middle block.   
     
     
         6 . The laundry treating apparatus of  claim 5 , wherein the first middle block comprises:
 an expansion ring disposed above the spring and having an outer diameter greater than an outer diameter of the spring;   a coupling ring protruding downward of the expansion ring and having an outer diameter smaller than an inner diameter of the spring;   a channel spaced apart inwardly from the expansion ring and having the connecting bar passing therethrough; and   a plurality of ribs extending radially from an outer circumference of the channel toward an inner circumference of the expansion ring and spaced apart from each other in the circumferential direction of the first middle block,   wherein the bracket fastening hole is formed between the plurality of ribs.   
     
     
         7 . The laundry treating apparatus of  claim 5 , wherein the fastening protrusion is formed in the first through hole and is inserted into the bracket fastening hole in the first through hole. 
     
     
         8 . The laundry treating apparatus  claim 4 , wherein the second middle block comprises:
 a support body having an outer diameter greater than an outer diameter of the spring, disposed below the spring, and having at least a portion exposed above the second bracket; and   a support protrusion protruding from an upper side of the second bracket to an outside of the support body and having a distance from a center of the support body to an outer end of the support body greater than a diameter of the second through hole.   
     
     
         9 . The laundry treating apparatus of  claim 8 , wherein the second middle block comprises a rim portion positioned below the support protrusion, having an outer diameter greater than an outer diameter of the support body, and seated on of the lower block. 
     
     
         10 . The laundry treating apparatus of  claim 9 , wherein at least a portion of the support body is inserted into the second through hole,
 wherein the rim portion is positioned in the second through hole, and   wherein an upper wall of the second bracket is positioned between the support protrusion and the rim portion.