JP2023140417A - dishwasher - Google Patents

Abstract

To provide a dishwasher capable of washing dishes in a washing tank in a wide range, easy for a user to grip a grip part, and easily attaching or detaching the grip part to or from a water supply passage.SOLUTION: A dishwasher includes: a housing; a washing tank disposed in the housing and having an opening part through which to-be-washed objects such as dishes are put in or taken out; a door body openably covering the opening part; a top surface washing nozzle disposed on the top surface of the washing tank where the to-be-washed objects housed in the washing tank are washed; and a washing pump supplying the washing water reserved in the washing tank to the top surface nozzle and disposed in a water supply passage. The top surface washing nozzle includes: a grip part attachable/detachable to/from the water supply passage; and a rotor rotated by the washing water supplied from the water supply passage. The inner diameter of the rotor is smaller than the outer diameter of the grip part.SELECTED DRAWING: Figure 7

Description

FIELD OF THE INVENTION The present invention relates to a dishwasher.

Conventionally, a washing tank in which dishes are placed, a circulation pump that circulates the washing water stored in the washing tank through a circulation path, a washing nozzle that communicates with the circulation path and is installed below the washing tank, and a washing system that communicates with the circulation path for washing. BACKGROUND ART A dishwasher is known that includes a top washing nozzle installed on the top surface of the tank, and sprays washing water or rinsing water into the washing tank from the washing nozzle and the top washing nozzle. (See Patent Document 1).

Utility Model Publication No. 6-68665

However, in conventional dishwashers, there is still room for improvement in terms of the structure of the top washing nozzle.

Therefore, an object of the present invention is to solve the above-mentioned problems, and is a dishwasher capable of washing dishes in a wide range of dishes in the washing tank by providing a top washing nozzle that sprays a wide range in the washing tank. The aim is to provide the opportunity.

In order to achieve the above object, a dishwasher according to one aspect of the present invention includes a casing, a washing tank provided in the casing and having an opening through which items to be washed such as tableware are taken out and put in, and the opening a door that can be opened and closed; a top cleaning nozzle installed on the top of the cleaning tank for cleaning the objects to be cleaned stored in the cleaning tank; a cleaning pump disposed in a water supply route for supplying water to a ceiling cleaning nozzle; the ceiling cleaning nozzle is rotated by a grip that is detachable from the water supply route; and a cleaning water supplied from the water supply route. It has a rotating body, and the inner diameter of the rotating body is smaller than the outer diameter of the gripping part.

According to the dishwasher of the present invention, it is possible to wash the dishes in the washing tank over a wide range by providing a top washing nozzle that sprays water over a wide area in the washing tank, and by attaching and detaching the grip part to the water supply path. It is possible to realize a dishwasher that is easy to use.

A schematic cross-sectional view of a dishwasher in a state where the door body is rotated and the basket is partially pulled out from the housing according to Embodiment 1 of the present invention A schematic perspective view of a dishwasher in a state where the door body is rotated and the basket is partially pulled out from the casing according to Embodiment 1 of the present invention A schematic perspective view of a dishwasher with a door closed according to Embodiment 1 of the present invention A schematic perspective view of the dishwasher shown in FIGS. 1 to 3 according to Embodiment 1 of the present invention, with the outer shell covered with a wall. A lower perspective view of the dishwasher with the door removed in Embodiment 1 of the present invention (a) Schematic cross-sectional perspective view showing the cleaning pump, water supply route, and top cleaning nozzle in Embodiment 1 of the present invention (b) Water supply route and ceiling cleaning nozzle (grip and rotating (c) An exploded perspective view of the body) (c) A lower perspective view of the state in which only the grip part is attached to the water supply path in Embodiment 1 of the present invention (a) An upper perspective view of the grip of the top cleaning nozzle in Embodiment 1 of the present invention (b) An upper perspective view of the rotating body of the top cleaning nozzle in Embodiment 1 of the present invention (c) An upper perspective view of a state in which the rotating body is attached to the grip of the top surface cleaning nozzle in Embodiment 1 An upper perspective view of the grip part of the top surface cleaning nozzle in Embodiment 1 of the present invention seen from another angle

(Findings that formed the basis of the present invention)
The present inventors have developed a dishwasher that is equipped with a top washing nozzle that sprays a wide range of water inside the washing tank, which makes it possible to wash the dishes in the washing tank over a wide range, and whose grip part can be easily attached to and removed from the water supply path. As a result of intensive study to realize this goal, we obtained the following knowledge.

Some conventional dishwashers are equipped with a cleaning nozzle on the top of the cleaning tank. However, in conventional dishwashers, although the nozzle hole is provided on the top surface of the washing tank, it is not possible to wash a wide range of dishes in the washing tank. Further, providing a large rotary cleaning nozzle, which is a conventional cylindrical body with a nozzle hole, on the top surface of the cleaning tank has low cost benefits and may get in the way when dishes are placed. It is necessary to realize a dishwasher that is equipped with a top washing nozzle that sprays water over a wide area in the washing tank, can wash the dishes in the washing tank over a wide range, and whose grip part can be easily attached to and removed from the water supply path.

Here, we have come up with the following invention of a dishwasher that is capable of washing a wide range of tableware in a washing tank and is equipped with a top washing nozzle that can be easily attached to and removed from a water supply path.

According to a first aspect of the present invention, there is provided a housing, a cleaning tank provided in the housing and having an opening through which items to be washed such as tableware are taken out and put in, and a door body that covers the opening so as to be openable and closable. , a top surface cleaning nozzle installed on the top surface of the cleaning tank for cleaning objects to be cleaned stored in the cleaning tank; and a top surface cleaning nozzle for supplying cleaning water stored in the cleaning tank to the top surface cleaning nozzle. a cleaning pump disposed in the water supply route, the top face cleaning nozzle having a grip that is detachable from the water supply route, and a rotating body rotated by the cleaning water supplied from the water supply route; The dishwasher is characterized in that the inner diameter of the rotating body is smaller than the outer diameter of the gripping part.

With this configuration, it is possible to wash the tableware in the washing tank over a wide range by installing a top washing nozzle that sprays the inside of the washing tank over a wide area. A dishwasher that can be easily attached to and detached from a water supply path can be realized.

According to a second aspect of the present invention, the rotary body includes a plurality of blade portions standing upright from a flat plate portion, and has a cutout portion that is a part of the flat plate portion between the blade portions. A dishwasher according to one aspect is provided.

With this configuration, the blades and the flat plate jet the cleaning water approximately horizontally or diagonally downward, and because the flat plate is partially cut out, the cleaning water is directed downward (directly below) the top cleaning nozzle. Since water is also sprayed, it is possible to wash a wide range of tableware in the washing tank.

According to the third aspect of the present invention, the gripping portion includes a plurality of lateral convex portions constituted by a plurality of water passage frames, and the water passage frame is arranged so that when the rotating body is rotated, the holding portion includes a plurality of lateral protrusions. There is provided a dishwasher according to the second aspect, having a pattern located vertically below.

With this configuration, the blades and the flat plate jet the cleaning water approximately horizontally or diagonally downward, and since the convex part of the grip has a water inlet, the cleaning water flows downward from the top cleaning nozzle. Since the water is also sprayed directly below the washing tank, it is possible to wash a wide range of tableware in the washing tank.

According to a fourth aspect of the present invention, according to the second or third aspect, the gripping portion includes a plurality of recesses, and the recesses have a pattern that is located vertically below the notch when the rotating body is rotated. Provide a dishwasher as described.

With this configuration, the blades and the flat plate jet the cleaning water in a substantially horizontal direction or diagonally downward, and since the grip has a recess, the cleaning water is directed below (directly below) the top cleaning nozzle. Since water is also sprayed, it is possible to wash a wide range of tableware in the washing tank.

According to a fifth aspect of the present invention, the dishwasher according to any one of the first to fourth aspects, wherein the gripping portion includes a convex rib, and the rotating body is difficult to come off from the gripping portion. I will provide a.

With this configuration, when the gripping part and the rotating body are removed from the water supply path, the gripping part and the rotating body are separated and the user is prevented from losing either the gripping part or the rotating body as much as possible. It can be prevented.

Embodiments according to the present invention will be described in detail below based on the drawings. Note that the present invention is not limited to this embodiment.

(Embodiment 1)
[overall structure]
In the dishwasher 1 according to the first embodiment, FIG. 1 is a schematic cross-sectional view of the dishwasher in a state where the door body 4 is rotated and the basket 9 is partially pulled out from the housing 2. FIG. 2 is a schematic perspective view of the dishwasher in a state where the door body 4 is rotated and the basket 9 is partially pulled out from the housing 2. Specifically, the car 9 is partially pulled out from the housing 2 by rotating the door body 4 downward to the near side. FIG. 3 is a schematic perspective view of the dishwasher with the door body 4 closed.

Further, the dishwasher of the first embodiment is a built-in dishwasher installed in, for example, a system kitchen.

In the first embodiment, as shown in the figure, the front direction is the direction in which the car 9 is pulled out from the cleaning tank 3 or the direction toward the opening 5 side, and the rear direction is the direction in which the car 9 is stored in the cleaning tank 3. This will be explained as a direction or a direction on the rear wall 2d side. Further, in the following description, the top wall 2b side of the washing tank 3 of the dishwasher is referred to as the upper side, the bottom wall 2c side is referred to as the lower side, and furthermore, the right side when viewed from the front of the door body 4 is referred to as the right side, and the left side is referred to as the left side.

As shown in FIGS. 1 to 3, the dishwasher 1 according to the first embodiment includes a casing 2, a washing tank 3 provided inside the casing 2 and accommodating objects to be washed, and a washing tank 3 provided on the front side of the washing tank. It includes a rotary door body 4 that opens and closes the opening 5 at which it is located.

The washing tank 3 has an opening 5 on the front surface, and includes a dish basket 9 for storing tableware 8, a rotary washing nozzle 10, and the like. The opening 5 is closed by a door body 4 provided in the housing 2. Thereby, the tableware basket 9 is supported so that it can be taken in and out of the housing 2 in the front-rear direction (left-right direction on the paper of FIG. 1).

Tableware 8 is placed in the tableware basket 9. The tableware basket 9 is put in and taken out by opening the door body 4 and then pulling it out to the front.

Furthermore, the dishwasher 1 includes a water supply section, a cleaning pump 13, a water supply path 12 from the cleaning pump 13 to the top cleaning nozzle 11, and a cleaning path from the cleaning pump 13 to the rotary cleaning nozzle 10 (not shown, the top cleaning nozzle 11 ), a water diversion mechanism that diverts the cleaning water to the cleaning route 12 to the rotary cleaning nozzle 10 and the water supply route 12 to the top cleaning nozzle 11 (the (not shown). The water supply section includes a water supply valve, a water supply hose, etc. (none of which are shown). Specifically, first, a water supply valve is controlled from a branch faucet or the like on the system kitchen (not shown), and cleaning water such as tap water is supplied to a water supply path (not shown) such as a water supply hose. The supplied cleaning water passes through the water supply path and is supplied to the cleaning tank 3 at the required water level and amount.

The cleaning pump 13 pumps cleaning water to the rotary cleaning nozzle 10 and the top cleaning nozzle 11. When there are a plurality of rotating cleaning nozzles 10, the cleaning water is pumped from the cleaning pump 13 to each rotating cleaning nozzle 10 or the top cleaning nozzle 11 via a water distribution mechanism. The rotary cleaning nozzle 10 is a type of cleaning nozzle that sprays cleaning water toward the tableware 8 placed in the tableware basket 9 while rotating due to the reaction force of the pressure-fed cleaning water. Note that the rotary cleaning nozzle 10 cleans the tableware 8 from a cleaning hole provided in the cleaning path through a cleaning path (not shown) provided on the side wall (side wall other than the top surface) inside the cleaning tank 3. It may be a type of cleaning nozzle that sprays water.

That is, the cleaning pump 13 pressurizes the cleaning water stored in the cleaning tank 3 and supplies it to the rotary cleaning nozzle 10 and the top cleaning nozzle 11. The washing water jetted from the rotary washing nozzle 10 and the top washing nozzle 11 collides with the tableware 8 to remove dirt and perform washing. Note that the cleaning water includes a cleaning liquid containing a detergent and sprayed onto the object to be cleaned, and a rinsing liquid for rinsing the object to be cleaned. Furthermore, the cleaning pump 13 circulates the cleaning water supplied into the cleaning tank 3 through the cleaning path and the water supply path 12, and injects the cleaning water from the rotary cleaning nozzle 10 and the top cleaning nozzle 11. The tableware 8 can be washed with the sprayed washing water.

The drain port 7 is provided at the bottom of the cleaning tank 3. A residue filter (not shown) is removably installed in the drain port 7 and collects the residue that has been washed and removed from the object to be cleaned. A cleaning heater (not shown) heats the cleaning water stored in the cleaning tank 3 during the cleaning process. The cleaning heater is arranged near the bottom of the cleaning tank 3. Note that the cleaning heater may not be disposed near the bottom of the cleaning tank 3 but may be built into the cleaning pump 13.

The cleaning pump 13 has a suction side connected to the drain port 7, and circulates cleaning water. Further, the cleaning pump 13 may function as a drain pump by reversing the rotational direction of the motor during circulation, and may be configured to discharge cleaning water from the cleaning tank 3. A drainage pump may be provided independently in addition to the cleaning pump 13. Alternatively, a drain valve may be provided instead of the drain pump, and when the drain valve is opened, the cleaning water may be drained by gravity.

Further, the dishwasher of the first embodiment includes a drainage path (not shown) for draining washing water from the washing tank 3. The drainage path includes a drainage port 7, a drainage pump (not shown), a drainage hose (not shown), and the like. When the washing and rinsing of the tableware 8 is completed, the drain pump is driven, and the washing water passes through the drain port 7 and is drained to the outside via the drain hose. Further, the drain hose is configured to be able to drain the cleaning water in the cleaning tank 3 to the sink of the system kitchen.

The dishwasher of Embodiment 1 can dry items to be washed, such as tableware 8, with the configuration shown in FIGS. 2 and 3. An air supply port (not shown) is arranged at the lower part of the side wall of the cleaning tank 3 and communicates with the air supply port, and is connected to a tubular heater (not shown) and air is supplied from the air intake port (not shown) for drying. A drying air path 23 in which a fan (not shown) for taking in and blowing air is arranged is installed outside the side wall 2a of the cleaning tank 3. By driving the tubular heater when the fan is driven, the air heated in the drying air passage 23 is blown from the air supply port to the objects to be washed, such as tableware 8 in the washing tank 3.

Further, a first exhaust port (not shown) is provided at the upper part of the side wall of the cleaning tank 3, and an exhaust path 31 is installed on the outside of the side wall 2a of the cleaning tank 3. The air supplied from the air supply port into the cleaning tank 3 contains the moisture in the cleaning tank 3, passes through the exhaust path 31 from the first exhaust port, and exits the machine from the second exhaust port (not shown). Exhausted. In this way, the drying of the tableware 8 can be accelerated by blowing the heated air and exhausting the humid air.

The door body 4 that opens and closes the opening 5 located on the front side of the cleaning tank 3 includes a flat part 42 on the front side, and has a handle 41 above the flat part 42 . The plane part 42 is covered with a surface material or the like, and an operation part 43, a display part 44, etc. are arranged on the top surface of the door body 4. The operation unit 43 is used to set the washing course of the dishwasher, turn on/off the power, etc., by a user's operation. The display section 44 displays cleaning and drying conditions, operating conditions, time, and the like.

A control unit that executes the cleaning operation and the drying operation has a microcomputer, memory, etc. mounted on a board, and is provided below the cleaning tank 3 as a control board. The control unit includes a washing process of washing the tableware 8, a rinsing process of rinsing off detergent and residue adhering to the tableware 8, and a drying process of drying the tableware 8. In the drying process, a tubular heater and a fan are operated. The drive is controlled, and each process of washing, rinsing, and drying is sequentially controlled.

In addition, as shown in FIG. 4, the housing 2 of the dishwasher 1 shown in FIGS. 1 to 3 may be configured by further covering the top, side, and rear surfaces with flat walls.

As described above, the dishwasher of Embodiment 1 is configured.

[Configuration of top cleaning nozzle and water supply route]
As shown in FIGS. 1 to 2, FIG. 5, and FIG. 6(a), a top surface cleaning nozzle 11 is installed approximately in the center of the top surface (upper surface) of the cleaning tank 3, and a cleaning pump 13 is used to clean the inside of the cleaning tank 3. The cleaning water stored in the top cleaning nozzle 11 is pressurized, the cleaning water is raised in the water supply path 12, and the cleaning water is sprayed from the top cleaning nozzle 11.

A protruding portion 12a that protrudes downward in a cylindrical shape is provided near the upper end of the water supply path 12, and two rib-shaped engaging portions 12b that protrude laterally oppose the protruding portion 12a. It is set up like this. The engaging portion 12b engages with two locking portions 15e provided in the upper part of the cylindrical body of the grip portion 15 of the top cleaning nozzle 11 and cut out in an inverted L shape.

Since the locking portion 15e is cut out in an inverted L shape, the locking portion 15e of the gripping portion 15 is fitted upward into the engaging portion 12b, and the gripping portion 15 is rotated to the right when viewed from below. By doing so, the grip portion 15 can be attached to the water supply path 12 as shown in FIG. 6(c).

With the grip part 15 attached to the water supply path 12, rotate the grip part 15 to the left when viewed from below, align the locking part 15e of the grip part 15 with the engagement part 12b, and pull out the grip part 15 downward. 15 can be removed from the water supply path 12. That is, the grip part 15 is removable from the water supply path 12.

Since the rotary body 14 is provided with an opening 14e having an inner diameter portion 14d, this opening 14e can be fitted into the cylindrical body 15f of the grip portion 15, and the rotary body 14 can rotate around the cylindrical body 15f. The dimensions of the diameter of the cylindrical body 15f and the diameter of the opening 14e are set as follows.

With the rotating body 14 fitted into the grip 15 as shown in FIG. 7(c), the grip 15 can be attached to the protrusion 12a of the water supply path 12 as described above and shown in FIG. 6(b). , the grip portion 15 can also be removed from the protrusion 12a of the water supply path 12. At this time, the rotating body 14 is installed so as to be rotatable around the cylindrical body 15f of the grip portion 15.

[Detailed configuration of top cleaning nozzle]
As shown in FIG. 7(a), the grip portion 15 is provided with a plurality of (four in this embodiment) convex portions 15a extending in the horizontal direction at the lower part, and a plurality of concave portions 15b (four in this embodiment) between adjacent convex portions 15a. In the embodiment, four locations are provided. With this configuration, the user's fingers fit into the recess, making it easier for the user to hold the grip 15, making it easier to rotate the grip 15 in the left-right direction, and making it easier to fit or pull out the grip 15 in the vertical direction. It's easier to do.

Each of the convex portions 15a is constituted by a water passage frame 15d which is formed into a frame shape and has an opening. Furthermore, four flat water holes 15c are provided on the side surface of the cylindrical body 15f of the gripping part 15, and as described above, the upper part of the cylindrical body 15f of the gripping part 15 has an inverted L-shaped lock. Two portions 15e are provided.

As shown in FIG. 7(b), the rotating body 14 has a plurality of curved blade portions 14b erected on a flat plate portion 14a. In this embodiment, the blade portions 14b are erected at six locations at approximately equal intervals, and two cutout portions 14c, which are formed by cutting out the flat plate portion 14a, are provided between adjacent blade portions 14b so as to face each other. . Further, the rotating body 14 is provided with an opening 14e having an inner diameter portion 14d.

The inner diameter of the inner diameter portion 14d of the rotating body 14 is smaller than the maximum outer diameter d around the convex portion 15a of the grip portion 15. This makes it easier for the user to hold the gripping part 15, making it easier to rotate the gripping part 15 in the left-right direction, and making it easier to fit in or pull out the gripping part 15 in the vertical direction.

Referring to FIG. 7(c), the direction in which the cleaning water is jetted will be explained using a configuration in which the rotating body 14 is fitted into the grip portion 15.

The cleaning water that has entered the cylindrical body 15f from the water supply path 12 is discharged from the water inlet 15c, comes into contact with the curved blade portion 14b, and the water pressure moves the rotary body 14 in the direction a (leftward when looking at the rotary body 14 from above). ), cleaning water is sprayed in the direction b from a space partitioned by the flat plate portion 14a and the adjacent blade portions 14b. That is, the cleaning water is sprayed horizontally of the rotating body 14 or diagonally downward of the rotating body 14 .

On the other hand, the cleaning water that has entered the cylindrical body 15f from the water supply path 12 is discharged from the water inlet 15c, and when the adjacent blade portions 14b pass through the notches 14c, the cleaning water flows in the c direction (rotating body Cleaning water is sprayed toward the bottom (downward of 14).

In addition, if the water passage frame 15d of the gripping part 15 has a pattern that is located vertically below the cutout part 14c when the rotating body 14 rotates, the cleaning water flows toward the c direction (downward of the rotating body 14). is injected.

Furthermore, in the case of a pattern in which the recessed portion 15b of the gripping portion 15 is located vertically below the cutout portion 14c when the rotating body 14 rotates, the cleaning water is sprayed in the c direction (downward of the rotating body 14). Ru.

With this configuration, the blade portion 14b and the flat plate portion 14a spray the cleaning water in a substantially horizontal direction or obliquely downward, and the cleaning water is also sprayed below (directly below) the top cleaning nozzle 11, so that the cleaning tank It is possible to wash a wide range of tableware 8 in 3.

As shown in FIG. 8, the two locking parts 15e of the cylindrical body 15f of the gripping part 15 are provided with convex ribs 15g projecting outward from the cylindrical body 15f. The convex rib 15g protrudes from the surface of the cylindrical body 15f by about 0.5 mm, and when the opening 14e of the rotary part 14 is fitted into the cylindrical body 15f, the rotary body 14 is caught on the convex rib 15g, so that the grip part 15 When the rotating body 14 is removed from the protruding portion 12a of the water supply path 12, the rotating body 14 is difficult to come off from the grip portion 15. As a result, when the gripping part 15 and the rotating body 14 are removed from the protruding part 12a of the water supply path 12, the gripping part 15 and the rotating body 14 are separated, and the user can easily remove the gripping part 15 and the rotating body 14 from each other. It is possible to prevent the loss of either of them as much as possible.

Since the convex rib 15g protrudes from the surface of the cylindrical body 15f by about 0.5 mm, the rotating body 14 can be attached to and detached from the grip part 15. As long as the rotating body 14 is removable from the gripping part 15, the convex rib 15g may be 0.3 mm to 2 mm from the surface of the cylindrical body 15f. The more the protruding ribs 15g protrude from the surface of the cylindrical body 15f, the more difficult it becomes to attach and detach the rotating body 14 from the grip 15. Therefore, it is desirable that the protruding ribs 15g protrude within 2 mm from the surface of the cylindrical body 15f. .

As described above, the dishwasher according to the present invention is equipped with a top washing nozzle that sprays a wide range in the washing tank, and can wash the dishes in the washing tank over a wide range, so it is especially suitable for built-in kitchens. It is useful as a type dishwasher or a tabletop type dishwasher placed on the kitchen.

1 Dishwasher 2 Housing 2a Side wall 2b Top wall 2c Bottom wall 2d Rear wall 3 Washing tank 4 Door body 5 Opening 7 Drain port 8 Tableware 9 Dish basket 10 Rotary washing nozzle 11 Top washing nozzle 12 Water supply path 12a Projection 12b Engagement part 13 Washing pump 14 Rotating body 14a Flat plate part 14b Wing part 14c Notch part 14d Inner diameter part 14e Opening 15 Gripping part 15a Convex part 15b Recessed part 15c Water passage 15d Water passage frame 15e Locking part 15f Cylindrical body 15g Convex Rib 23 Drying air path 31 Exhaust path 41 Handle 42 Plane portion 43 Operation portion 44 Display portion

Claims (5)

A casing and
a cleaning tank provided in the housing and having an opening through which items to be cleaned such as tableware are taken in and out;
a door body that covers the opening so that it can be opened and closed;
a top surface cleaning nozzle installed on the top surface of the cleaning tank for cleaning objects to be cleaned contained in the cleaning tank;
a cleaning pump disposed in a water supply path for supplying cleaning water stored in the cleaning tank to the top cleaning nozzle;
The top surface cleaning nozzle includes a grip part that is detachable from the water supply path, and a rotating body that is rotated by the cleaning water supplied from the water supply path, and the inner diameter of the rotary body is equal to the outer diameter of the grip part. characterized by being smaller,
dishwasher. 2. The dishwasher according to claim 1, wherein the rotating body includes a plurality of blades extending upright from a flat plate, and has a notch formed by cutting out a portion of the flat plate between the blades. The gripping portion includes a plurality of lateral convex portions constituted by a plurality of water passage frames, and the water passage frame has a pattern that is positioned vertically below the notch when the rotating body is rotated. A dishwasher according to claim 2. The dishwasher according to claim 2 or 3, wherein the grip portion includes a plurality of recesses, and the recesses have a pattern that is located vertically below the notch when the rotating body rotates. The dishwasher according to any one of claims 1 to 4, wherein the gripping portion includes a convex rib and is configured to prevent the rotating body from easily coming off from the gripping portion.