KR101174931B1 - Dish washer - Google Patents

Abstract

The present invention relates to a dishwasher, and more particularly, to a dishwasher provided with a circular dish rack structure to allow the rack for storing dishes to be rotatable.

Dishwasher according to the invention tub; A sump mounted to the bottom of the tub; A water guide extending vertically from the sump top surface; At least one spray nozzle rotatably mounted on an outer circumferential surface of the water guide; At least one dish rack rotatably mounted on an outer circumferential surface of the water guide; It includes; and a door for opening and closing the front of the tub.

By the above configuration, the dish rack is rotatably mounted, thereby making it easy to store and take out the dishes, and there is no need to pull out the dish rack forward, thereby reducing the space required for installing the dishwasher. .

Dish rack, spray nozzle, sump

Description

Dishwasher {Dish washer}

1 is a perspective view showing a rack structure of a conventional dish washer.

Figure 2 is a perspective view showing a dishwasher according to the spirit of the present invention.

3 is a vertical sectional view of the dishwasher.

Figure 4 is a perspective view showing the washing water spray structure of the dishwasher according to the spirit of the present invention.

5 is a perspective view showing a table rack according to the spirit of the present invention.

6 is an external perspective view showing the door structure of the dish washing machine according to the spirit of the present invention;

<Description of the symbols for the main parts of the drawings>

100: dishwasher 110: cabinet

120: door 130: upper rack

140: lower rack 150: water guide

160: top nozzle 170: top nozzle

180: lower nozzle 190: sump

The present invention relates to a dishwasher, and more particularly, to a dishwasher provided with a circular dish rack structure to allow the rack for storing dishes to be rotatable.

In general, a dishwasher is a household appliance for washing dishes in which dishes are accommodated in a dish rack accommodated in a tub, and food residues on the dish are removed by water pressure of the washing water sprayed from the washing nozzle mounted in the tub. to be.

1 is a perspective view showing a rack structure of a conventional dish washing machine.

Referring to FIG. 1, a conventional dishwasher 10 includes a tub 11 forming an appearance, a door 13 mounted on a front surface of the tub to open and close a washing tub, and an upper portion of the tub 11. It includes a top cover 12 seated on.

In addition, the tub 11 is installed inside the upper rack 14 and the lower rack 15 to accommodate the dishes, and wash water is sprayed onto the dishes accommodated in the upper rack 14 and the lower rack 15. Upper nozzle 16 and lower nozzle 17 are included. In detail, the upper nozzle 16 is branched from a water guide (not shown), which is connected to a sump (not shown) and is a passage through which the washing water moves.

Here, the dish racks 14 and 15 into which the dishes are stored form a hexahedral shape, while the spray nozzles 16 and 17 are rotated so as to be stored at the corners of the dish racks 14 and 15. A phenomenon that the sprayed water does not reach the prepared tableware is generated.

In addition, in the case of the current dishwasher, in order to take out the dishes, the dish rack should be pulled out to the front, and a free space is required to open the door of the dishwasher 90 degrees. Therefore, when the place where the dishwasher is narrow is difficult to install.

The present invention has been proposed to solve the above problems, by improving the shape of the dish rack provided in the washing tank, the dishwasher to facilitate the dish washing and to minimize the space required for installation of the dishwasher It aims to provide.

Dishwasher according to the present invention for achieving the object as described above is a tub; A sump mounted to the bottom of the tub; A water guide extending vertically from the sump top surface; At least one spray nozzle rotatably mounted on an outer circumferential surface of the water guide; At least one dish rack rotatably mounted on an outer circumferential surface of the water guide; It includes; and a door for opening and closing the front of the tub.

By the above configuration, the dish rack is rotatably mounted, thereby making it easy to store and take out the dishes, and there is no need to pull out the dish rack forward, thereby reducing the space required for installing the dishwasher. .

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to the embodiments presented, and other embodiments included within the scope of the present invention and other degenerate inventions can be easily added by adding, changing, or deleting other elements. I can suggest.

2 is a perspective view showing a dish washer according to the spirit of the present invention, Figure 3 is a vertical cross-sectional view of the dish washer.

2 and 3, the dishwasher 100 according to the present invention includes a cabinet 110 forming an external shape, a tub 111 protected by the cabinet 110, and a washing tank formed therein, and Top table 112 seated on the upper side of the tub 111, the door 120 is provided in front of the tub 111 to open and close the washing tub, and the upper portion provided in the tub 111 to accommodate the dishes A rack 130 and a lower rack 140, and a water guide 150 penetrating through the center of the upper rack 130 and the lower rack 140, the washing water flows therein. In detail, the upper rack 130 and the lower rack 140 form a circular shape, the user is rotatably mounted by hand.

In addition, the dishwasher 100 is mounted on the bottom surface of the tub 111, the sump 190 for storing the wash water, rotatably mounted to the water guide 150 and the spray nozzle for spraying the washing water; A washing pump 191 provided inside the sump 190 and pumping the washing water and a washing motor 192 driving the washing pump 191 are included.

In detail, the spray nozzle may include a top nozzle 160 rotatably mounted at an upper end of the water guide 150, an upper nozzle 170 rotatably mounted at an approximately central portion of the water guide 150, and A lower nozzle 180 is rotatably mounted to the lower end of the water guide 150. In addition, a plurality of injection holes through which the washing water is sprayed are formed on the upper surface and / or the lower surface of the spray nozzle, and the spray nozzle is rotated by the injection pressure of the washing water sprayed through the spray holes. And, one side of the sump 190 is equipped with a drain pump (not shown) for washing water drainage and a drain motor (not shown) for driving the drain pump.

Hereinafter will be described the operation of the dishwasher having the configuration as described above.

First, the user opens the door 120 to store the dishes that need to be washed in the upper rack 130 and / or the lower rack 140. In order to store the dishes in the dish racks 130 and 140, the dishes are stored in empty space while the dish rack is turned by hand. In order to store the dishes, the dishes may be stored through the upper openings of the dish racks 130 and 140, or may be stored through the spaces formed on the side surfaces of the dish racks 130 and 140.

On the other hand, when the dish storage is completed, close the door 120 and press the washing condition input button provided in the control panel to enter the washing conditions. When the cleaning condition input is completed, the operation button is pressed to start the cleaning.

In addition, when the washing is started by pressing the operation button, the washing water is introduced into the sump 190, and when the washing water is completed, the washing water is pumped by the washing pump 191. In addition, the pumped wash water rises along the water guide 150, and the rising wash water is branched into the lower nozzle 180, the upper nozzle 170, and the top nozzle 160, respectively. In addition, the washing water branched into the respective spray nozzles is sprayed into the tub 111 through the spray holes formed in the spray nozzles.

In addition, when the washing process is completed, the drain pump provided on one side of the sump 190 is operated to discharge the washing water collected in the sump 190 to the outside. Then, when the draining process is completed, clean washing water is re-introduced into the sump 190 to perform a rinsing process. When the rinsing process is completed, the washing water is drained and a drying process is performed. Then, when the drying process is finished, all washing processes are finished, and the user opens the door 120 to take out the dishes. Here, the user rotates the dish racks 130 and 140 to take out the dishes that have been cleaned.

4 is a perspective view illustrating a washing water spraying structure of the dish washing machine according to the spirit of the present invention.

Referring to FIG. 4, the washing water spraying structure of the dish washing machine according to the present invention includes a sump 190 in which the washing water is stored, a water guide 150 extending from an upper surface of the sump 190, and the water guide. It is rotatably connected to 150 includes a spray nozzle for spraying the washing water.

In detail, the water guide 150 is connected to the washing pump 191 mounted inside the sump 190, and becomes a passage through which the washing water pumped by the washing pump 191 moves. The injection nozzle includes a top nozzle 160, an upper nozzle 170, and a lower nozzle 180. In addition, a distribution hole 152 through which the washing water is discharged is formed on the outer circumferential surface of the water guide 150. In addition, the spray nozzles are respectively connected to portions where the distribution holes 152 are formed, and the washing water discharged through the distribution holes 152 is moved to the respective spray nozzles.

In addition, a portion of the outer circumferential surface of the water guide 150 is formed with a belt-shaped rack fixing groove 151 recessed to a predetermined depth. In addition, the support ring 135 (see FIG. 5) of the dish rack is inserted into the rack fixing groove 151. By the above configuration, the table rack is rotatably mounted to the water guide 150 and at the same time the phenomenon that the table rack is removed from the water guide 150 is prevented. In addition, the water guide 150 has a cylindrical shape that decreases in diameter toward the upper side, and the pressure of the washing water sprayed through the lower nozzle 180 and the pressure of the washing water sprayed through the top nozzle 160 are increased. Keep the same.

In addition, a plurality of injection holes for washing water is formed on the upper surface and / or lower surface of the injection nozzle. In detail, the spray direction of the washing water is determined by the shape of the spray hole, and the spray nozzle is rotated by the principle of action reaction according to the spraying direction of the washing water.

5 is an external perspective view illustrating a dish rack according to the spirit of the present invention.

Referring to FIG. 5, the dish rack according to the present invention is characterized in that it is circular in order to improve the disadvantages of the conventional rectangular dish rack. Hereinafter, the upper rack 130 will be described as an embodiment.

In detail, the upper rack 130 according to the present invention is formed in a circular shape, a plurality of body frames 131 are coupled at a predetermined interval in the vertical direction, the connecting frame 133 for connecting the body frame 131 and The base frame 132 which is arranged in the center direction from the body frame 131 provided at the lowermost side, and the end of the base frame 132 is connected, the diameter approximately the same as the outer diameter of the water guide 150 Support ring 135 is formed to be included.

In more detail, a plurality of the base frame 132 is arranged at regular intervals to prevent the stored dishes from falling into the tub bottom. The support ring 135 is rotatably inserted into the rack fixing groove 151 formed on the outer circumferential surface of the water guide 150 as described above.

In addition, the connection frame 133 is rotatably connected to an outer end of the base frame 132. In detail, a hinge part 134 is formed at a point where one end of the connection frame 133 and the base frame 132 meet, so that the connection frame 133 can be rotated 90 degrees. The other end of the connection frame 133 is detachably connected to the body frame 131 provided at the uppermost side.

By the above configuration, the user may store or withdraw dishes through the upper opening of the upper rack 130, rotate the connecting frame 133 to store the dishes through the side of the upper rack 130. Or withdraw money. In detail, the connection frame 133 for connecting the body frame 131 is mounted on the side surface of the upper rack 130 at regular intervals. Therefore, when one end of the connection frame 133 is rotated 90 degrees to be separated from the body frame 131, a space having a predetermined size is formed on the side of the upper rack 130. Further, by storing or withdrawing dishes through the space, it is not necessary to pull out the dish rack forward to store or withdraw dishes as in the conventional case.

In addition, since the table rack is rotatably mounted to the water guide 150 by the support ring 135, the user can efficiently store the dishes while rotating the table rack, so that the necessary dishes can be found and withdrawn. do.

6 is an external perspective view illustrating a door structure of the dish washing machine according to the spirit of the present invention.

Referring to FIG. 6, the dishwasher according to the present invention does not need to be drawn out of the dish rack to the outside of the tub 111, and thus does not need to be rotated to open the door 120.

In detail, in the conventional case, in order to prevent the washing water falling from the dishes falling on the indoor floor when the dish rack is drawn out of the tub 111, the door 120 is horizontally opened. The table rack was positioned above.

However, in the case of the present invention, the dish rack is rotatably mounted in the tub 111 and does not need to be drawn out of the tub 111 so that the door does not need to be opened horizontally. Therefore, as shown, the door 220 of the dishwasher 100 may be formed in a double door type, such as a refrigerator, thereby increasing the utilization of space.

In more detail, the door-type door 220 is configured so that the handle 221 is mounted on the outer peripheral surface so that the user can open and close. In addition, a gasket 222 is attached to an edge portion of the inner circumferential surface of the door 220 so that the washing water dispersed in the tub does not leak to the outside during the washing process.

As described above, since the dish rack is rotatably mounted in the tub 111 and does not need to be pulled out of the tub 111, the shape of the door is not only changeable, but the installation space of the washing machine is reduced, thereby allowing the interior of the dish rack to be reduced. There is an advantage of increasing space utilization.

According to the dishwasher according to the present invention having the above configuration, there is an advantage that the dishes can be taken out or stored while rotating the dish rack without drawing the dish rack forward.

In addition, since it is not necessary to pull out the dish rack forward in order to take out the dishes, there is no need to rotate the door of the washer 90 degrees, there is an effect that it becomes easy to install the dishwasher in a narrow space.

Claims (9)

Tub; A sump mounted to the bottom of the tub; A water guide extending vertically from the sump top surface; At least one spray nozzle rotatably mounted on an outer circumferential surface of the water guide; At least one dish rack rotatably mounted on an outer circumferential surface of the water guide; And And a door configured to open and close the front of the tub. The method of claim 1, A washing pump is mounted inside the sump, and the washing pump is connected to the water guide. The method of claim 1, The water guide has a diameter smaller toward the upper side, the dishwasher, characterized in that the flow path for washing water is provided therein. The method of claim 1, On the outer circumferential surface of the water guide a plurality of distribution holes are provided with a band shape, And the spray nozzle is mounted at a portion where the distribution hole is formed. The method of claim 1, The dish rack is made of a circular shape and a plurality of body frames arranged in the vertical direction; A connection frame connecting the body frame; A base frame having one end connected to a body frame positioned at the lowermost side and extending in a center direction of the body frame; And a support ring to which the other end of the base frame is connected and penetrate the water guide therein. 6. The method of claim 5, And a rack fixing groove recessed to an outer circumferential surface of the water guide to a predetermined depth and into which the support ring is inserted. 6. The method of claim 5, A lower end of the connecting frame is rotatably connected to the base frame. The method of claim 1, The door is a dishwasher, characterized in that the double door type to rotate the side of the tub as a rotating shaft. The method of claim 8, The door has a handle mounted on the front, A dishwasher including a gasket surrounded by an inner circumferential surface.

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