Vacuum cleaner

Abstract

A vacuum cleaner is disclosed. The vacuum cleaner comprises a cleaner body, a suction nozzle, a connection pipe, a first tool assembly, a second tool assembly, and a pipe assembly. The first tool assembly is detachably fixed to a body suction port of the cleaner body and has a first suction port which communicates with the body suction port. The second tool assembly is detachably fixed to the first tool assembly and has a second suction port which communicates with the body suction port. The pipe assembly is fixed to the rear side of the connection pipe and detachably fixed to the second tool assembly. The first tool assembly, the second tool assembly, or the pipe assembly can be selectively detached from the cleaner body, and each tool (suction port) can be effectively used.

1 - 20 . (canceled) 
     
     
         21 . A vacuum cleaner comprising:
 a cleaner body configured to generate suction force;   a body suction port connected to the cleaner body;   a suction nozzle having a nozzle suction port configured to receive dust;   a connection pipe that is disposed between the cleaner body and the suction nozzle and extends along a first direction from a first side facing the suction nozzle to a second side facing the body suction port;   a first tool assembly detachably coupled to the body suction port, the first tool assembly having a first suction port in fluid communication with the body suction port;   a second tool assembly detachably coupled to the first tool assembly, the second tool assembly having a second suction port in fluid communication with the first suction port; and   a pipe assembly fixed to the second side of the connection pipe and detachably coupled to the second tool assembly.   
     
     
         22 . The vacuum cleaner of  claim 21 , wherein the first tool assembly comprises:
 a first body that has a pipe shape extending along the first direction, the first body being coaxially coupled to the body suction port;   a first lever that is pivotably coupled to the first body, the first lever being configured to engage with and disengage from the body suction port;   a first rotation body that is coupled to a front portion of the first body facing the second tool assembly, the first rotation body being configured to rotate about a first rotational axis and comprising a first half tube that defines a first portion of the first suction port; and   a second rotation body that is coupled to the front portion of the first body and configured to rotate about a second rotational axis parallel to the first rotational axis, the second rotation body comprising a second half tube that defines a second portion of the first suction port.   
     
     
         23 . The vacuum cleaner of  claim 22 , wherein the first tool assembly further comprises:
 a first rotation spring configured to elastically support the first rotation body; and   a second rotation spring configured to elastically support the second rotation body, wherein the first rotation spring and the second rotation spring are configured to couple the first half tube and the second half tube to each other to thereby define the first suction port,   wherein the first rotation body comprises a first pressing part that protrudes away from the first half tube in a direction different from an axis direction of the first rotational axis, the first pressing part being configured to pass through at least a portion of the first body,   wherein the second rotation body comprises a second pressing part that protrudes away from the second half tube in a direction different from the axis direction, the second pressing part being configured to pass through at least a portion of the first body,   wherein the second tool assembly comprises a second body that has a pipe shape extending along the first direction, the second body having a front edge that faces the pipe assembly in the first direction and defines the second suction port, and   wherein the second body is configured to, based on the second body being coupled to the first tool assembly, press the first pressing part and the second pressing part to thereby separate the first half tube and the second half tube from each other.   
     
     
         24 . The vacuum cleaner of  claim 21 , wherein the second tool assembly comprises:
 a second body that has a pipe shape extending along the first direction, the second body having a front edge that faces the pipe assembly in the first direction and defines the second suction port;   a second lever that is pivotably coupled to the second body and configured to engage with and disengage from the first tool assembly; and   a brush that is coupled to the front edge of the second body and configured to protrude forward toward the pipe assembly relative to the front edge of the second body in the first direction.   
     
     
         25 . The vacuum cleaner of  claim 24 , wherein the second tool assembly further comprises a brush cover that has a pipe shape extending along the first direction and is coupled to the second body, the brush cover being configured to move relative to the brush along the first direction to thereby accommodate the brush or expose the brush out of the brush cover. 
     
     
         26 . The vacuum cleaner of  claim 21 , wherein the second tool assembly comprises:
 a second body that has a pipe shape extending along the first direction, the second body having a front edge that faces the pipe assembly in the first direction and defines the second suction port;   a second lever that is pivotably coupled to the second body and configured to engage with and disengage from the first tool assembly;   a brush cover that has a pipe shape extending along the first direction and is configured to move relative to the second body along the first direction, the brush cover defining a plurality of brush reception spaces that are partitioned along a circumferential direction of the brush cover; and   a brush disposed along the front edge of the second body and configured to protrude forward toward the pipe assembly relative to the second body in the first direction, the brush being configured to be received in the plurality of brush reception spaces, and   wherein the brush is configured to protrude outward from the brush cover toward the pipe assembly based on the brush cover moving relative to the brush rearward toward the first tool assembly.   
     
     
         27 . The vacuum cleaner of  claim 26 , wherein the brush cover defines a lever groove that is a through hole configured to expose the second lever, the lever groove extending in the first direction from a rear edge of the brush cover facing the first tool assembly toward the pipe assembly. 
     
     
         28 . The vacuum cleaner of  claim 22 , wherein the second tool assembly comprises:
 a second body that has a pipe shape extending along the first direction, the second body having a front edge that faces the pipe assembly in the first direction and defines the second suction port, wherein the second body is configured to coaxially coupled to the first body and accommodate the first rotation body and the second rotation body of the first body;   a second lever that is pivotably coupled to the second body and configured to engage with and disengage from the first body; and   a brush disposed along the front edge of the second body and configured to protrude forward toward the pipe assembly relative to the second body in the first direction.   
     
     
         29 . The vacuum cleaner of  claim 28 , wherein the pipe assembly comprises:
 a third body that has a pipe shape extending along the first direction, the third body being coupled to the second side of the connection pipe and configured to accommodate the second tool assembly; and   a third lever that is pivotably coupled to the third body and configured to engage with and disengage from the second tool assembly.   
     
     
         30 . The vacuum cleaner of  claim 29 , wherein the pipe assembly further comprises:
 a first tool button that is coupled to the third body and configured to reciprocate in a direction perpendicular to the first direction, the first tool button being configured to rotate the second lever to thereby disengage the second lever from the first body; and   a second tool button that is coupled to the third body and configured to reciprocate in the direction perpendicular to the first direction, the second tool button being configured to rotate the third lever to thereby disengage the third lever from the second tool assembly.   
     
     
         31 . The vacuum cleaner of  claim 21 , wherein the body suction port has a pipe shape extending along the first direction, the body suction port defining a first engagement groove at an outer surface of the body suction port, and
 wherein the first tool assembly comprises:   a first body that has a pipe shape extending along the first direction, the first body having a rear opening configured to receive the body suction port in the first direction,   a first lever that is coupled to the first body and configured to pivot about a first lever axis extending in a second direction perpendicular to the first direction, the first lever comprising a first engagement protrusion configured to protrude to an inside of the first body and to insert into and engage with the first engagement groove,   a first elastic body configured to elastically support the first lever based on the first engagement protrusion protruding to the inside of the first body,   a first rotation body that is coupled to a front side of the first body facing the second tool assembly in the first direction and that is configured to pivot about a first rotational axis extending in a third direction perpendicular to the first direction and the second direction, the first rotation body comprising a first half tube that defines a first portion of the first suction port, and   a second rotation body that is coupled to the front side of the first body and configured to pivot about a second rotational axis parallel to the first rotational axis, the second rotation body comprising a second half tube that defines a second portion of the first suction port.   
     
     
         32 . The vacuum cleaner of  claim 21 , wherein the first tool assembly comprises a first body that has a pipe shape extending along the first direction, the first tool assembly being configured to coaxially couple to the body suction port and defining a second engagement groove at an outer surface of the first tool assembly,
 wherein the second tool assembly comprises:
 a second body that has a pipe shape extending along the first direction, the second body having (i) a front edge that faces the pipe assembly in the first direction and defines the second suction port and (ii) a rear side that faces the first body and is configured to receive the first body, 
 a second lever that is coupled to the second body and configured to pivot about a second lever axis extending in a second direction perpendicular to the first direction, the second lever comprising a second engagement protrusion that is configured to protrude to an inside of the second body and to insert into and engage with the second engagement groove, 
 a second elastic body that is configured to elastically support the second lever based on the second engagement protrusion protruding to the inside of the second body, 
 a brush that is coupled to the front edge of the second body and configured to protrude forwardly toward the pipe assembly in the first direction relative to the second body, and 
 a brush cover that has a pipe shape extending along the first direction and defines a third engagement groove at an outer surface of the brush cover, the brush cover being coupled to the second body and configured to move along the first direction to thereby accommodate the brush or expose the brush out of the brush cover, and wherein the pipe assembly comprises: 
 a third body that has a pipe shape extending along the first direction and is coupled to the rear side of the connection pipe, the third body having a rear side configured to accommodate the first tool assembly and the second tool assembly, a third lever that is coupled to the third body and configured to pivot about a third lever axis extending in the second direction, the third lever comprising a third engagement protrusion configured to protrude to an inside of the third body and to insert into and engage with the third engagement groove, and 
 a third elastic body that is configured to elastically support the third lever based on the third engagement protrusion protruding to the inside of the third body. 
   
     
     
         33 . The vacuum cleaner of  claim 32 , wherein the brush cover is configured to:
 accommodate the brush based on the brush cover moving relative to the second body forward toward the pipe assembly along the first direction; and   expose the brush out of the brush cover based on the brush cover moving relative to the second body backward toward the first tool assembly along the first direction, and   wherein the third engagement protrusion is configured to:
 engage with the third engagement groove based on the brush being accommodated in the brush cover, and 
 come into contact with the outer surface of the brush cover at a front of the third engagement groove based on the brush being exposed out of the brush cover. 
   
     
     
         34 . The vacuum cleaner of  claim 22 , wherein the second tool assembly comprises:
 a second body that has a pipe shape extending along the first direction, the second body defining a first fixing groove and a second fixing groove that are arranged at an outer surface of the second body and spaced apart from each other in the first direction, wherein the second body has a front edge that faces the pipe assembly in the first direction and defines the second suction port;   a second lever that is pivotably coupled to the second body and configured to engage with and disengage from the first tool assembly;   a brush that is coupled to the front edge of the second body and configured to protrude forward toward the pipe assembly in the first direction relative to the second body;   a brush cover that has a pipe shape extending along the first direction and is coupled to the second body, the brush cover being configured to move relative to the brush along the first direction to thereby accommodate the brush or expose the brush out of the brush cover; and   a cover lever that is pivotably coupled to the brush cover, the cover lever comprising a fixing protrusion configured to insert into and engage with the first fixing groove or the second fixing groove.   
     
     
         35 . A vacuum cleaner comprising:
 a cleaner body configured to generate suction force;   a body suction port connected to the cleaner body;   a suction nozzle having a nozzle suction port configured to receive dust;   a connection pipe that is disposed between the cleaner body and the suction nozzle and extends along a first direction from a first side facing the suction nozzle toward a second side facing the body suction port;   a first tool assembly comprising:
 a first body that has a pipe shape extending along the first direction and is configured to coaxially couple to the body suction port, 
 a first lever that is pivotably coupled to the first body and configured to engage with and disengage from the body suction port, and 
 a first rotation body and a second rotation body that are symmetrical to each other and pivotably coupled to a front portion of the first body facing away from the body suction port in the first direction, wherein the first rotation body and the second rotation body are configured to couple to each other to thereby define a first suction port; 
   a second tool assembly comprising:
 a second body that has a pipe shape extending along the first direction and that is configured to coaxially couple to the first body and accommodate the first rotation body and the second rotation body, the second body having a front edge that faces away from the first tool assembly in the first direction and defines a second suction port, 
 a second lever that is pivotably coupled to the second body and configured to engage with and disengage from the first body, and 
 a brush coupled to the front edge of the second body; and 
   a pipe assembly comprising:
 a third body that has a pipe shape extending along the first direction, that is coupled to a rear side of the connection pipe facing the second body, and that is configured to coaxially couple to the second body and accommodate the second body, 
 a third lever that is pivotably coupled to the third body and configured to engage with or disengage from the second body, 
 a first tool button that is configured to rotate the second lever to thereby disengage the second lever from the first body, and 
 a second tool button that is configured to rotate the third lever to thereby disengage the third lever from the second body. 
   
     
     
         36 . The vacuum cleaner of  claim 35 , wherein the first rotation body comprises:
 a first half tube that is coupled to the front portion of the first body and configured to pivot about a first rotational axis, the first half tube defining a first portion of the first suction port; and   a first pressing part that protrudes away from the first half tube in a direction different from an axis direction of the first rotational axis, the first pressing part being configured to pass through at least a portion of the first body,   wherein the second rotation body comprises:
 a second half tube that is coupled to the front portion of the first body and configured to pivot about a second rotational axis parallel to the first rotational axis, the second half tube defining a second portion of the first suction port, and 
 a second pressing part that protrudes away from the second half tube in a direction different from the axis direction, the second pressing part being configured to pass through at least a portion of the first body, and 
   wherein the second body is configured to, based on the second body being coupled to the first tool assembly, press the first pressing part and the second pressing part to thereby separate the first half tube and the second half tube from each other.   
     
     
         37 . The vacuum cleaner of  claim 35 , wherein the second tool assembly comprises a brush cover that has a pipe shape extending along the first direction, the brush cover being coupled to the second body and configured to move relative to the brush along the first direction to thereby accommodate the brush or expose the brush out of the brush cover. 
     
     
         38 . The vacuum cleaner of  claim 35 , wherein the second tool assembly comprises a brush cover that has a pipe shape extending along the first direction, the brush cover defining a plurality of brush reception spaces partitioned along a circumferential direction of the brush cover and configured to accommodate respective portions of the brush, and
 wherein the brush cover is coupled to the second body and configured to move relative to the brush along the first direction.   
     
     
         39 . The vacuum cleaner of  claim 37 , wherein the body suction port has a pipe shape extending along the first direction and defines a first engagement groove at an outer surface of the body suction port,
 wherein the first body defines a second engagement groove at an outer surface of the first body, the second engagement groove being defined at a position forward toward the second tool assembly relative to the first lever in the first direction,   wherein the first lever is coupled to the first body and configured to pivot about a first lever axis extending in a second direction perpendicular to the first direction, the first lever comprising a first engagement protrusion that is configured to protrude to an inside of the first body and to insert into and engage with the first engagement groove,   wherein the first tool assembly further comprises a first elastic body configured to elastically support the first lever based on the first engagement protrusion protruding to the inside of the first body,   wherein the second lever is coupled to the second body and configured to pivot about a second lever axis extending in the second direction, the second lever comprising a second engagement protrusion that is configured to protrude to an inside of the second body and to insert into and engage with the second engagement groove,   wherein the second tool assembly comprises a second elastic body configured to elastically support the second lever based on the second engagement protrusion protruding to the inside of the second body,   wherein the brush cover defines a third engagement groove at an outer surface of the brush cover, the third engagement groove being defined at a position forward toward the pipe assembly relative to the second lever in the first direction,   wherein the third lever is coupled to the third body and configured to pivot about a third lever axis extending in the second direction, the third lever comprising a third engagement protrusion that is configured to protrude to an inside of the third body and to insert into and engage with the third engagement groove, and   wherein the pipe assembly comprises a third elastic body configured to elastically support the third lever based on the third engagement protrusion protruding to the inside of the third body.   
     
     
         40 . The vacuum cleaner of  claim 37 , wherein the second body defines a first fixing groove and a second fixing groove that are arranged at an outer surface of the second body and spaced apart from each other along the first direction, and
 wherein the second tool assembly further comprises a cover lever that is pivotably coupled to the brush cover, the cover lever comprising a fixing protrusion configured to insert into and engage with the first fixing groove or the second fixing groove.