KR20080088123A - Dish washer - Google Patents

Abstract

A dishwasher is provided to supply water to a middle nozzle even when height of a connecting pipe is changed by connecting one of first and second connecting units with a water outlet of a water guide pipe selectively. A dishwasher comprises a connecting pipe(30), a first combining member(40), a second combining member(50), and an opening and closing member(60). The first combining member is installed at a second water guide pipe(25). The second combining member is installed at a combining part(31) of the connecting pipe. The first combining member has one water outlet(41). The water outlet is arranged with an entry pipe(42). An edge of the second combining member and a periphery of the combining part are sealed by a plurality of catching protrusions(34) and catching grooves(35). First and second connecting units(51,52) are formed at upper and lower sides of the second combining member. One of the first and second connecting units is connected with the water outlet selectively when adjusting height of an upper dish basket(13). The opening and closing member, which is installed in the combining part, closes one connecting unit when the other connecting unit is connected with the water outlet. The opening and closing member has first and second opening and closing parts(61,62). A hinge shaft(63) is arranged at the center of the first and second opening and closing parts. The hinge shaft is hinged to a shaft support part(53).

Description

Dishwasher {DISH WASHER}

1 is a cross-sectional view showing the internal configuration of the dishwasher according to the present invention.

Figure 2 is an exploded perspective view showing the first and second coupling members for mounting the dish washer connection pipe and the connection tube according to the present invention.

3 is a cross-sectional view showing an operating state of the opening and closing member in a state in which the lower second connector and the washing water discharge port of the dish washing machine connecting pipe according to the present invention are connected.

4 is a cross-sectional view illustrating an operating state of the opening and closing member in a state in which the upper first connector and the washing water discharge port of the dish washing machine connecting tube according to the present invention are connected;

Explanation of symbols on the main parts of the drawings

10: main body, 11: washing room,

12: door, 17: upper nozzle,

18: middle nozzle, 19: lower nozzle,

20: catchment, 21: impeller,

22: drive motor, 23: drain pump,

24: first wash water guide, 25: second wash water guide,

30: connector, 31: coupling part,

40: first coupling member, 41: washing water outlet,

42: entry tube, 44: engaging projection,

50: second coupling member, 51: first connector,

52: second connector, 54: the first coupling groove,

55: second coupling groove, 60: opening and closing member,

61: first opening and closing portion, 62: second opening and closing portion,

63: hinge axis.

The present invention relates to a dishwasher, and more particularly, to a dishwasher capable of changing the position of the nozzle for spraying the washing water.

A typical dishwasher is a device for washing dishes by spraying high pressure washing water onto the dishes accommodated in the washing room. Korean Laid-Open Patent Publication No. 2006-124263 discloses an example of such a dishwasher.

The dishwasher of the above publication is provided with dish baskets respectively at the upper and lower portions of the washing room, and is equipped with an upper nozzle, a middle nozzle, and a lower nozzle for spraying washing water into the dishes stored in the dish baskets. It also has a washing pump that supplies washing water to each nozzle.

However, since the dishwasher cannot change the position of the nozzles installed in the washing room, it is difficult to adjust the height of the dish baskets and it is difficult to store the bulky dishes. That is, since the position of the nozzle cannot be changed, there is a problem that interference with the nozzle occurs when the height of the dish basket is to be changed or when the bulky dish is to be stored as needed.

The present invention has been made to solve such problems, and an object of the present invention is to provide a dishwasher capable of changing the position of the nozzle as needed.

The dishwasher according to the present invention for achieving this object is connected to the washing chamber, the spray nozzle installed in the washing chamber, the washing water guide pipe having a washing water discharge port to guide the washing water to the washing chamber, and the spray nozzle and the washing water outlet. And a connection pipe having a coupling part for coupling with the washing water discharge port, and the coupling part of the connection pipe is provided at each of the upper and lower portions thereof, and the first and second connectors are selectively coupled to the washing water discharge port. It characterized in that it comprises a seesaw opening and closing member installed in the coupling portion to selectively open any one.

In addition, the opening and closing member is provided at the first and second opening and closing portions respectively provided on both sides for opening and closing of the first and the second connector, the first opening and closing portion and the approximately half of the second opening and closing portion is rotatable in the coupling portion It characterized in that it comprises a hinge axis that is supported.

In addition, the opening and closing member is characterized in that it operates in the form of a seesaw around the hinge axis so that one of the first and second opening and closing portion selectively closes one of the first and second connectors.

The washing water guide tube may include a first coupling member having the washing water discharge port, and the coupling part may include a second coupling member covering the flow path inlet side of the connection pipe and having the first and second connectors formed thereon. Opening and closing member is characterized in that installed inside the second coupling member.

In addition, the first coupling member is provided with a coupling protrusion for coupling the second coupling member, the second coupling member is provided in the upper and lower portions so as to be selectively coupled to the coupling protrusion of the first coupling member It is characterized by having a first and second coupling groove.

In addition, the washing water discharge port is characterized in that it comprises an entry pipe portion for pushing the opening and closing member to enter into the first or second connector.

In another aspect, the present invention includes a dish basket that is installed to be variable in height in the washing chamber, characterized in that the connecting pipe is coupled to the dish basket.

In addition, the dishwasher according to the present invention is a washing room, a washing water guide tube having a washing variable installed in the washing chamber to be variable in height, a spray nozzle installed in the lower portion of the dish basket, the washing water outlet for supplying the washing water to the spray nozzle And a connecting pipe connected to the spray nozzle and the washing water outlet and fixed to the dish basket, wherein the connecting tube is selectively connected to the washing water outlet according to a change in height of the dish basket. Characterized in that it comprises a connector.

In addition, the connecting pipe is characterized in that it comprises a seesaw opening and closing member for opening the side connected to the washing water outlet of the first and second connectors and the other side.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the dishwasher according to the present invention includes a main body 10 having a washing chamber 11 provided therein, and a door 12 installed at the front of the main body 10 for opening and closing of the washing chamber 11. ).

In the washing chamber 11, upper and lower baskets 13 and 14 are installed at upper and lower portions, respectively. These dish baskets 13 and 14 are supported to be pulled forward by rails 15 and 16 provided on the wall of the washing chamber 11. Therefore, when storing dishes, the door 12 may be opened and the baskets 13 and 14 may be pulled out in a forward manner.

The rail 15 supporting the upper dish basket 13 includes an upper rail 15a and a lower rail 15b spaced apart by a predetermined interval in the vertical direction. This allows the upper dish basket 13 to be selectively mounted on the upper rail 15a or the lower rail 15b so that the height of the upper dish basket 13 can be adjusted. Accordingly, when the bulky dishes are to be stored in the upper dish basket 13, the space between the upper dish basket 13 and the upper surface of the washing room 11 may be increased by moving the upper dish basket 13 downward.

In the washing chamber 11, an upper nozzle 17, an intermediate nozzle 18, and a lower nozzle 19 for spraying the washing water to the upper and lower dish baskets 13 and 14 are respectively installed. The upper nozzle 17 sprays the washing water downward from the upper side of the upper basket 13, and the middle nozzle 18 sprays the washing water upward and downward between the upper side and the lower side baskets 13 and 14. The lower nozzle 19 sprays the washing water upward from the lower side of the lower basket 14. The nozzles 17, 18 and 19 all rotate by spraying the washing water, so that the washing water can be evenly sprayed onto the dishes of the respective dish baskets 13 and 14.

In the lower part of the washing chamber 11, a collecting part 20 for collecting the washing water is provided, and the collecting part 20 has an impeller 21 for supplying the collected washing water toward the nozzles 17, 18, and 19, In order to rotate the impeller 21, a drive motor 22 installed below the water collecting part 20 is installed. In addition, the water collecting unit 20 is also provided with a drain pump 23 for draining the collected wash water.

The washing water pumped by the operation of the impeller 21 is guided to the lower nozzle 19 by the first washing water guide tube 24 extending upwardly into the collecting unit 20, and the rear and upper surfaces of the washing chamber 11 are moved. The second washing water guide pipe 25 extends along the upper nozzle 17 and the intermediate nozzle 18. And the water pumped by the drain pump 23 is discharged to the outside through the drain pipe (26). The drain pipe 26 is provided with a drain valve 27 for opening the drain pipe 26 when the drain pump 23 operates and closing the drain pipe 26 when the drain pump 23 does not operate.

The middle nozzle 18 between the upper dish basket 13 and the lower dish basket 14 is rotatably installed at an end of the connecting pipe 30 connected to the second wash water guide tube 25. The connection pipe 30 rotatably supports the intermediate nozzle 18 and simultaneously guides the washing water guided through the second wash water guide tube 25 to the intermediate nozzle 18. 2 and 3, the connecting pipe 30 is provided with a coupling portion 31 that can be detachably coupled to the second wash water guide tube (25).

The connecting pipe 30 is fixed to the rear end of the upper side dish basket 13 with the first fixing part 32a provided on the outer side of the coupling part 31, and the second fixing part 32b on the side of the middle nozzle 18 is the upper side dish. It is fixed to the lower surface of the basket 13. Therefore, the connection pipe 30 is separated together with the upper dish basket 13 when the upper dish basket 13 is separated from the washing chamber 11 for height adjustment of the upper dish basket 13.

As shown in FIG. 2, a first coupling member 40 is installed at the second wash water guide tube 25, and a second coupling member 50 is installed at the coupling portion 31 of the connection pipe 30. . The first coupling member 40 has one wash water outlet 41. In addition, the washing water discharge port 41 is provided with an access pipe portion 42 extending into a coupling pipe 30 and a predetermined length toward the coupling portion 31 to enter the coupling portion 31.

The second coupling member 50 is in the form of a cover covering the inlet side of the flow path of the connection pipe (30). The rim of the second coupling member 50 and the circumference of the coupling portion 31 are coupled to each other by a plurality of locking projections 34 and a plurality of locking grooves 35 in a sealed state. In addition, the first coupler 51 and the second coupler 52 are formed at the upper and lower portions of the second coupling member 50 so as to be selectively coupled to the washing water outlet 41 of the first coupling member 40. do. 3 and 4, so that any one of the first connector 51 and the second connector 52 is selectively connected to the washing water outlet 41 when adjusting the height of the upper dish basket (13). It is. That is, even when the height of the coupling part 31 of the connection pipe 30 is changed according to the change of the height of the upper dish basket 13, the washing water can be supplied toward the middle nozzle 18.

Inside the coupling part 31, when one of the first and second connectors 51 and 52 of the second coupling member 50 is connected to the washing water outlet 41, another connector that is not connected to the washing water outlet 41 is provided. Closing opening and closing member 60 is installed. The opening and closing member 60 includes a first opening and closing portion 61 and a second opening and closing portion 62 provided at both sides for opening and closing the first and second connectors 51 and 52, respectively. The hinge shaft 63 is provided at an approximately intermediate point of the two openings and closing portions 62. The hinge shaft 63 is rotatably coupled to the shaft support portion 53 provided on the inner surface of the second coupling member 50. This is because the opening and closing member 60 operates in the form of a seesaw about the hinge shaft 63 so that one of the first and second openings 61 and 62 selectively picks one of the first and second connectors 51 and 52. It would be closed.

Therefore, as shown in FIG. 4, when the washing water discharge port 41 is connected to the first connector 51, the first opening and closing part 61 of the opening and closing member 60 is pushed by the entry pipe part 42 so that the first connector ( 51) is opened. However, the second connector 52 is closed by the second opening and closing portion 62 of the opening and closing member 60 that operates in the seesaw form. In addition, when the washing water is supplied into the coupling portion 31 through the washing water discharge port 41, the first opening and closing portion 61 is pushed in the direction of opening the first connector 61 by the hydraulic pressure, the second opening and closing portion 62 is Since the second connector 52 is closed by rotating toward the second connector 52, the second connector 52 remains closed while the washing water is supplied to the intermediate nozzle 18.

On the contrary, as shown in FIG. 3, when the washing water discharge port 41 is connected to the second connector 52, the second opening and closing part 62 of the opening / closing member 60 is pushed by the entry pipe part 42. 52 is opened, and the first connector 51 is closed by the second opening and closing portion 62 of the opening and closing member 60 operating in the seesaw form. In this case, since the second opening and closing part 62 is pushed in the direction in which the second connector 52 is opened by the washing water pressure supplied to the coupling part 31 through the washing water discharge port 41, the first connector 51 is formed in the first connector 51. It is kept in the closed state by the one open / close part 61.

The first coupling member 40 and the second coupling member 50 are provided with coupling means for binding to each other in a state in which the position of the coupling portion 31 of the connection pipe 30 is moved upward or downward. As shown in FIG. 2, the coupling protrusions 44 protruding from both sides of the first coupling member 40 to both sides of the second coupling member 50 and the coupling protrusions 44 are selectively coupled to each other. The first coupling groove 54 and the second coupling groove 55 are respectively provided on the upper and lower sides of the second coupling member 50 so as to be able to. The first coupling groove 54 and the second coupling groove 55 are formed by a plurality of extension ribs 56 extending laterally from both sides of the second coupling member 50.

Therefore, when the first connector 51 is coupled to the washing water outlet 41 according to the height adjustment of the upper dish basket 13, the first coupling groove 54 is coupled to the coupling protrusion 44. And when the second connector 52 is coupled to the washing water discharge port 41, the second coupling groove 55 is coupled to the coupling protrusion 44. When the coupling protrusion 44 is coupled to the first or second coupling grooves 54 and 55, sagging of the connection pipe 30 is prevented, so that the connection pipe 30 may maintain a stable coupling state.

As described in detail above, the dishwasher according to the present invention has the effect of moving the intermediate nozzle to the upper or lower portion as necessary because the coupling portion of the coupling pipe can be changed to the upper or lower portion.

In addition, the present invention can be selectively connected to one of the first and second connectors of the connecting pipe to the washing water outlet of the washing water guide tube, so that the washing water supply can be smoothly supplied to the intermediate nozzle even when the height of the connecting pipe is changed. have.

In addition, the present invention is provided with a seesaw opening and closing member for selectively closing one of the first and second connectors of the connecting pipe so that the other one is closed when one of the first and second connectors is coupled to the wash water outlet. It has an effect.

Claims (9)

A washing chamber, a spray nozzle installed in the washing chamber, a washing water guide tube guiding the washing water to the washing chamber, and having a washing water discharge port; and a connection pipe connecting the spray nozzle and the washing water outlet, and a coupling part for coupling with the washing water outlet. Including, The coupling portion of the connecting pipe is provided on the upper and lower portions of the first connector and the second connector selectively coupled to the washing water outlet, and the seesaw opening and closing member installed in the coupling portion to selectively open any one of the two connectors Dishwasher comprising a. The method of claim 1, The opening and closing member is provided at first and second opening and closing portions respectively provided at both sides for opening and closing of the first and second connectors, and at approximately intermediate points of the first opening and closing portion and the second opening and closing portion, and are rotatable in the coupling portion. A dishwasher comprising a supported hinge shaft. The method of claim 2, And the opening / closing member is operated in a seesaw form around the hinge axis such that one of the first and second opening and closing portions selectively closes one of the first and second connectors. The method of claim 2, The washing water guide tube includes a first coupling member having the washing water discharge port, The coupling part includes a second coupling member covering the flow path inlet side of the connection pipe and formed with the first and second connectors. The opening and closing member is a dish washer, characterized in that installed inside the second coupling member. The method of claim 4, wherein The first coupling member has a coupling protrusion for coupling the second coupling member, And the second coupling member has first and second coupling grooves provided at upper and lower portions thereof so as to be selectively coupled to the coupling protrusion of the first coupling member. The method of claim 2, The washing water discharge port is a dish washer, characterized in that it comprises an entry pipe portion for pushing the opening and closing member to enter into the first or second connector. The method of claim 1, It includes a dish basket installed in the washing room to be variable in height, Dishwasher, characterized in that the connecting pipe is coupled to the dish basket. A washing room, a dish basket installed to be variable in height in the washing room, a spray nozzle disposed below the dish basket, a washing water guide tube having a washing water outlet for supplying washing water to the spray nozzle, and the spray nozzle and the washing water. A connection pipe connected to the outlet and fixed to the dish basket, The connecting pipe is dishwasher, characterized in that it comprises a first connector and a second connector that is selectively connected to the washing water outlet in accordance with the height change of the dish basket. The method of claim 8, The connecting pipe is dishwasher, characterized in that it comprises a seesaw opening and closing member for opening the side of the first and second connectors connected to the washing water outlet and close the other side.

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