Drain hose and home appliance
A dishwasher includes a tub, a drain housing to drain wash water in the tub, a drain pump detachably coupled to the drain housing, the drain pump configured to pump the wash water, a drain port formed on one side of the drain housing, the drain port comprising a port body to allow the wash water pumped by the drain pump to flow, and a locking portion formed on an outer surface of the port body, and a drain hose to drain wash water discharged from the drain port to an outside of the dishwasher, the drain hose comprising a hose body and a drain connector at one end of the hose body and connectable to the drain port. The drain connector includes a locking hook to be locked to the locking portion in response to inserting the drain connector into the port body.
1 . A dishwasher comprising:
a tub;
a drain housing to drain wash water in the tub;
a drain pump detachably coupled to the drain housing, the drain pump configured to pump the wash water;
a drain port formed on one side of the drain housing, the drain port comprising:
a port body to allow the wash water pumped by the drain pump to flow; and
a locking portion; and
a drain hose to drain the wash water discharged from the drain port to an outside of the dishwasher, the drain hose comprising:
a hose body;
a drain connector at one end of the hose body and connectable to the drain port, the drain connector comprising:
a connector body; and
a locking hook extending from the connector body;
a check valve configured to prevent a back flow of the wash water and disposed inside the connector body; and
a holder having a part fixed inside the connector body to fix the check valve,
wherein the locking hook comprises:
a hook body protruding toward the drain port; and
a hooking protrusion formed at one end of the hook body and protruding toward the locking portion of the drain port,
wherein at least a part of the connector body is disposed inside the port body in response to connecting the drain connector to the drain port, and
wherein the locking hook is locked to the locking portion foamed formed on an outer surface of the port body in response to inserting the drain connector into the port body.
2 . The dishwasher of claim 1 , wherein
the locking portion of the drain port comprises a first inclined portion,
wherein the locking hook of the drain connector comprises a second inclined portion to be moved along the first inclined portion in response to the inserting of the drain connector into the port body of the drain port.
3 . The dishwasher of claim 1 , wherein
the holder is detachably coupled to one end of the drain connector.
4 . The dishwasher of claim 3 , wherein the holder comprises:
a holder body disposed inside the drain connector; and
a holder flange extending from one end of the holder body to cover at least a portion of the one end of the drain connector.
5 . The dishwasher of claim 4 , wherein
the drain connector further comprises a coupling protrusion protruding from the one end of the drain connector,
wherein the holder flange of the holder further comprises a protrusion insertion portion into which the coupling protrusion of the drain connector is inserted.
6 . The dishwasher of claim 3 , wherein
the check valve comprises:
a valve body detachably coupled to an inner surface of the drain connector; and
a flap to pivot with respect to the valve body to open or close a drain flow path formed inside the drain connector.
7 . The dishwasher of claim 6 , wherein
the holder comprises:
a holder body disposed inside the drain connector; and
a holder flange extending from one end of the holder body,
wherein the holder flange comprises:
a first sealing extension portion to be in close contact with the valve body; and
a second sealing extension portion to be in close contact with the flap.
8 . The dishwasher of claim 7 , wherein
the holder flange of the holder further comprises a groove portion to be recessed between the first sealing extension portion and the second sealing extension portion.
9 . The dishwasher of claim 7 , wherein
the check valve comprises:
a mounting portion formed on an inner surface of the valve body to be in contact with an end of the first sealing extension portion; and
a sealing inclined portion obliquely extending from the mounting portion to be in contact with an outer surface of the first sealing extension portion.
10 . A dishwasher comprising:
a tub;
a drain housing to drain wash water in the tub;
a drain pump detachably coupled to the drain housing, the drain pump configured to pump the wash water;
a drain port formed on one side of the drain housing, the drain port comprising:
a port body to allow the wash water pumped by the drain pump to flow; and
a locking portion formed on an outer surface of the port body; and
a drain hose to drain the wash water discharged from the drain port to an outside of the dishwasher, the drain hose comprising:
a hose body;
a drain connector at one end of the hose body and connectable to the drain port, the drain connector comprising a locking hook to be locked to the locking portion of the drain port in response to inserting the drain connector into the port body of the drain port;
a check valve configured to prevent a back flow of the wash water;
a holder to fix the check valve to an inside of the drain connector and detachably coupled to one end of the drain connector;
a sealer to seal between the drain port and the drain connector,
wherein the holder comprises a first side portion disposed on one side of the sealer to limit a movement of the sealer in one direction, and
the drain connector further comprises a second side portion disposed on an other side of the sealer to limit a movement of the sealer in a direction opposite to the one direction.
11 . A dishwasher comprising:
a tub;
a drain housing to drain wash water in the tub;
a drain pump detachably coupled to the drain housing, the drain pump configured to pump the wash water;
a drain port formed on one side of the drain housing, the drain port comprising:
a port body to allow the wash water pumped by the drain pump to flow; and
a locking portion formed on an outer surface of the port body; and
a drain hose to drain the wash water discharged from the drain port to an outside of the dishwasher, the drain hose comprising:
a hose body;
a drain connector at one end of the hose body and connectable to the drain port, the drain connector comprising a locking hook to be locked to the locking portion of the drain port in response to inserting the drain connector into the port body of the drain port;
a check valve configured to prevent a back flow of the wash water, the check valve including:
a valve body detachably coupled to an inner surface of the drain connector; and
a flap to pivot with respect to the valve body to open or close a drain flow path formed inside the drain connector; and
a first coupler formed in a lower portion of one side of the valve body;
a holder to fix the check valve to an inside of the drain connector and detachably coupled to one end of the drain connector, the holder including a second coupler to correspond to the first coupler,
wherein the one side of the valve body faces the holder.
12 . The dishwasher of claim 11 , wherein
the check valve further comprises a hinge to connect the valve body with the flap, the hinge formed in an upper portion of an other side that is opposite to the one side of the valve body.
13 . The dishwasher of claim 1 , wherein
the drain port further comprises a guide portion to guide a movement of the drain connector in response to inserting the drain connector into the port body of the drain port, the guide portion to limit a rotation of the drain connector in response to the inserting of the drain connector into the port body of the drain port.
14 . The dishwasher of claim 6 , wherein
the check valve further comprises:
a first sealing protrusion to be in contact with an inner surface of the drain connector to seal between the drain connector and the valve body of the check valve; and
a second sealing protrusion to be in contact with an outer surface of the holder to seal between the holder and the valve body of the check valve.
15 . The dishwasher of claim 1 , wherein
the locking hook of the drain connector is locked to the locking portion formed on the outer surface of the port body of the drain port in response to inserting the drain connector into the port body of the drain port and rotating the drain connector with respect to the port body so that the locking hook is engaged with the locking portion.
16 . A home appliance comprising:
a main body;
a tub disposed inside the main body to form a washing chamber;
a drain port comprising:
a port body connected to the tub; and
a locking portion; and
a drain hose to guide wash water inside the drain port to an outside of the home appliance, the drain hose including:
a hose body; and
a drain connector disposed at one end of the hose body and coupled to the drain port in a first direction, the drain connector comprising:
a connector body;
a locking hook extending from the connector body;
a check valve configured to open or close a flow path formed in the connector body; and
a holder having a part fixed inside the connector body to fix the check valve,
wherein the locking hook comprises:
a hook body protruding toward the drain port; and
a hooking protrusion formed at one end of the hook body and protruding toward the locking portion of the drain port,
wherein at least a part of the connector body is disposed inside the port body in response to coupling the drain connector to the drain port, and
wherein the locking hook is locked to the locking portion formed on an outer surface of the port body in a second direction which is opposite to the first direction in response to inserting the drain connector into the port body of the drain port.
17 . The home appliance of claim 16 , wherein the holder comprises:
a holder body;
a first extension portion formed on one side of the holder body to cover one end of the drain connector; and
a second extension portion extending from the first extension portion to cover an outer surface of the drain connector.
18 . The home appliance of claim 17 , wherein the drain connector further comprises a coupling protrusion extending from the one end of the drain connector, and the holder further comprises a protrusion insertion portion formed in the first extension portion to allow the coupling protrusion to be inserted thereinto.
19 . The home appliance of claim 18 , wherein the drain connector further comprises a plurality of coupling protrusions which includes the coupling protrusion, and at least one of the plurality of coupling protrusions has a shape different from a rest of the plurality of coupling protrusions.
20 . The home appliance of claim 17 , further comprising:
a side portion spaced apart from the second extension portion with respect to a flow direction of the wash water and protruding from an outer surface of the drain connector; and
a sealer detachably coupled to the outer surface of the drain connector to be disposed between the side portion and the second extension portion.