JP2008237534A - Dishwasher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dishwaser capable of changing the arrangement of components in a machine chamber according to an installation state. <P>SOLUTION: The dishwaser 1 supplies rinsing water from a warm water storage tank 22 stored in the machine chamber D to rinsing nozzles 13, 15 stored in a washing chamber S. The warm water storage tank 22 is fixed to the rectangular base board 29 of the machine chamber D at one side. The base board 29 includes first to third component arrangement schedule areas 41-43 capable of selectively changing the arrangement of a connection pipe 21 and a detergent supplier 23 which are scheduled to be changed in arrangement. Pipe insertion ports 41a, 42a, 43a for attaching the connection pipe 21 and bracket insertion ports 41b, 42b, 43b for attaching the detergent supplier 23 are provided respectively in the first to third component arrangement schedule areas 41-43. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a dishwashing machine configured to spray rinsing water from a hot water storage tank from the spray nozzle to rinse dishes in the cleaning chamber.

Conventionally, as a technique in such a field, a dishwasher described in Patent Document 1 below is known. In this dishwasher, water is sent from a pump in a machine room to an injection nozzle in an upper washing room, and water is injected from the injection nozzle to wash and rinse the dishes in the washing room. This type of dishwasher is installed and used in a restaurant kitchen or the like mainly for business use. And when installing such a dishwasher, the position and direction of installation may be restricted by restrictions on the layout of the kitchen.
JP 2005-245528 A

  However, depending on the state of installation of the dishwasher, for example, a place requiring maintenance in the machine room may be hidden in a position where it cannot be seen during maintenance, or the place may be located in a place where it is difficult to reach. . In such a case, since the workability of maintenance is deteriorated, for example, it is desired to be able to change the layout of the machine room according to the installation state.

  Then, an object of this invention is to provide the dishwasher which can change the components arrangement | positioning in a machine room according to an installation state.

  The dishwasher of the present invention supplies rinsing water from a hot water storage tank accommodated in the machine room to an injection nozzle accommodated in the washing room above the machine room, and injects the rinsing water from the injection nozzle. In the dishwasher configured to rinse the tableware, a hot water storage tank is fixed on one side of the rectangular base plate of the machine room, and the base plate has at least two sides among the other three sides. The first and second parts installation scheduled areas that allow selective installation change of the parts whose arrangement is scheduled to be changed are provided on each of the first and second parts installation scheduled areas. A component holding unit for detachably holding a scheduled component is provided.

  In this dishwasher, a hot water storage tank that supplies water to the spray nozzle is housed in the machine room. A hot water storage tank is fixed to one side of the rectangular base plate of the machine room, and first and second parts installation scheduled areas are provided on at least two sides of the other three sides. . Accordingly, a part whose layout is scheduled to be changed among the parts in the machine room can be appropriately selected from the part installation planned area and installed in any area, and the arrangement of the part is changed according to various conditions. be able to.

  In addition, the hot water storage tank is located in the center on one side of the base plate, and the base plate is selectively used for parts whose arrangement is scheduled to be changed on one side other than two of the other three sides. It is preferable that a third part installation scheduled area that allows easy installation change is further provided, and that the third part installation scheduled area is provided with a part holding part that holds the scheduled part in a detachable manner. . With such a configuration, the degree of freedom in selecting the component arrangement scheduled for the arrangement change is further increased.

  Further, the scheduled part may specifically be a detergent supply device that supplies detergent into the cleaning chamber and / or a water supply pipe that supplies water from outside the machine room to the hot water storage tank. In such a dishwasher, a detergent supply device is often handled when the detergent is replenished, and a water supply pipe as described above is often handled during maintenance. In this way, it is possible to select the arrangement of parts that are frequently handled, and it is possible to arrange the parts at positions that are easy to handle.

  According to the dishwasher of the present invention, the arrangement of parts in the machine room can be changed according to the installation state.

  Hereinafter, a preferred embodiment of a dishwasher according to the present invention will be described in detail with reference to the drawings.

  As shown in FIG. 1, the dishwasher 1 has a stainless steel washing machine body 2. The cleaning machine main body 2 is partitioned into an upper part 2a in which the cleaning chamber S is formed and a lower part 2b in which the machine room D is formed. On the back side of the cleaning machine body 2, a pair of left and right columns 3, 4 extending in the vertical direction over the upper part 2 a and the lower part 2 b are provided at the corners of the cleaning chamber S and machine room D. ing. On the front side of the cleaning machine main body 2, a corner portion of the machine room D is provided with a pair of left and right support columns 5 and 6 extending vertically in the lower portion 2b. Further, a door 7 for opening and closing the cleaning chamber S is provided in the upper portion 2 a of the cleaning machine main body 2. The door 7 is moved up and down by the handle 8 extending in the horizontal direction on the front side, and the cleaning chamber S is opened and closed. In addition, the leg part 9 is attached to the four corners of the bottom face of the washing machine main body 2, and the stable installation of the dishwasher 1 is possible.

  A rack rail (not shown) is detachably disposed in the cleaning chamber S described above, and a grid-like tableware rack (not shown) in which dishes after eating and drinking are arranged on the rack rail. Is placed. Further, four spray nozzles are arranged in the cleaning chamber S, and an upper cleaning nozzle 12 having three arms extending radially and two arms extending in a straight line are arranged in the upper portion of the cleaning chamber S. The upper rinsing nozzle 13 is arranged so as to be rotatable on the same rotational axis. Similarly, in the lower part of the cleaning chamber S, a lower cleaning nozzle 14 and a lower rinsing nozzle 15 are rotatably arranged on the same rotational axis.

  A washing water tank 17 is provided at the bottom of the washing chamber S having such a configuration so as to protrude into the machine room D, and a filter (see FIG. 5) is provided between the washing chamber S and the washing water tank 17. (Not shown) is detachably disposed. A cleaning water supply pump (hereinafter referred to as “cleaning pump”) 19 is fixed to the front surface of the cleaning water tank 17 via a bracket. A washing water circulation pipe (not shown) is connected to the discharge port of the washing pump 19, and the washing water circulation pipe passes through the machine room D and the washing room S, and passes through the upper washing nozzle 12 and the lower washing. It is connected to the nozzle 14.

  Further, in the machine room D, a hot water storage tank 22 to which rinsing water is supplied from an external water heater (not shown) by a connection pipe 21 is provided, and this hot water storage tank 22 is provided with a suction pipe. A rinse water supply pump (hereinafter referred to as “rinse pump”) 24 is connected. The rinsing pump 24 is installed in a vertically placed state with the impeller on the lower side, and the space in the machine room D is effectively used. A discharge pipe is connected to the discharge port of the rinsing pump 24, and a rinsing water flow pipe is connected to the discharge pipe. The rinsing water flow pipe passes through the machine room D and the cleaning room S and passes through the upper rinsing line. It is connected to the nozzle 13 and the lower rinsing nozzle 15.

  The machine room D contains a detergent supply device 23 for storing the detergent in the detergent storage tank 23c and putting the detergent into the washing room S, and a microcomputer for controlling the overall operation of the dishwasher 1. A control box 25 and the like are also accommodated. Further, an operation unit 26 that receives each operation of the user is provided above the control box 25. The operation unit 26 is screwed to the support 6 so that operation buttons operated by the user face the front side.

  The connection pipe 21, hot water storage tank 22, rinsing pump 24, detergent supply device 23, and control box 25 are fixed on a rectangular base plate 29 that constitutes the bottom wall of the machine room D. Further, a front panel 31, a side panel 32, a side panel 33, and a back panel 34 constituting the four side walls of the machine room D are attached to the columns 3 to 6. The front panel 31 is provided with an opening 35 for exposing the operation buttons of the operation unit 26 to the surface. The operation unit 26 may be screwed to the inside of the front panel 31 at a position corresponding to the opening 35.

  Here, operation | movement of the tableware washing machine 1 mentioned above is demonstrated. When the operation start button of the operation unit 26 is turned ON, the cleaning pump 19 is started. As a result, the wash water stored in the wash water tank 17 is pumped to the upper and lower wash nozzles 12 and 14 through the wash water circulation pipe, and sprayed from the wash nozzles 12 and 14 toward the dishes. . At this time, the cleaning nozzles 12 and 14 are rotated by the jetting reaction force of the cleaning water, so that the cleaning water is uniformly applied to the dishes and the dishes are efficiently washed away. The washing water sprayed on the tableware is collected in the washing water tank 17 while removing contaminants such as leftovers washed out from the tableware by a filter, and is circulated and supplied by the washing pump 19.

  When such dishes are washed for a predetermined time, the washing pump 19 is stopped, and then the rinsing pump 24 is started. Thereby, the rinsing water stored in the hot water storage tank 22 is pumped to the upper and lower rinsing nozzles 13 and 15 through the rinsing water circulation pipe, and is sprayed from the rinsing nozzles 13 and 15 toward the dishes. At this time, since each of the rinsing nozzles 13 and 15 is also rotated by the reaction force of the rinsing water, the rinsing water is uniformly applied to the dishes, and the dishes are efficiently rinsed. The rinsing water sprayed on the dishes is collected in the washing water tank 17 through the filter and used as washing water in the next washing of the dishes. When such rinsing of dishes is performed for a predetermined time, the rinsing pump 24 is stopped, and the operation of one cycle of the dishwasher 1 is completed.

  In such a dishwasher, not only the above-described setting where the door 7 is located on the front side where the operation unit 26 is located (hereinafter referred to as “standard door setting”), but depending on the conditions of the installation location, FIG. A setting where the door 7 is positioned on the right side as shown in (a) (hereinafter referred to as “right door setting”) or a setting where the door 7 is positioned on the left side as shown in FIG. (Referred to as “left door setting”). In order to meet such a demand, if the operation part 26 of the dishwasher 1 is replaced with the support | pillar 5, and the front panel 31 and the side panel 32 are replaced | exchanged, it can be set as the dishwasher 101A of a right door setting. Similarly, if the operation part 26 of the dishwasher 1 is replaced with the support | pillar 3, and the front panel 31 and the side panel 33 are replaced | exchanged, it can be set as the dishwasher 101B of a left door setting.

  However, in such dishwashers 101A and 101B, the following may be a problem. For example, let us consider a case in which the maintenance of the machine room D and the detergent supply to the detergent supply device 23 are performed in the dishwasher 101B having the left door setting shown in FIG. During such work, the front panel 31 among the panels in the machine room D is often opened due to restrictions on the maintenance space, and the operator often puts his hand into the machine room D from the front side. At this time, for example, the connection pipe 21 and the detergent supply device 23 are located relatively far from the front panel 31, so that it is difficult to reach such a part. As described above, when the door setting is changed, it may be difficult to reach the parts in the machine room D, and handling of the parts may be difficult. In particular, the connection pipe 21 has many occasions to handle during maintenance, and the detergent supply device 23 needs to be regularly replenished with detergent. Therefore, it is preferable that such parts are easily accessible.

  Therefore, in the dishwasher 1, three regions for installing the connection pipe 21 and the detergent supply device 23 are prepared on the base plate 29 in advance. Then, according to the door setting of the dishwasher, the installation area of the connection pipe 21 and the detergent supply device 23 is selected from the three areas, and the connection pipe 21 and the detergent supply device 23 are easily accessible from the front side. Can be arranged.

  In order to enable such selective component placement, in the dishwasher 1, as shown in FIG. 3, first, the hot water storage tank 22 is arranged at the center along the one side 29d of the rectangular base plate 29. Is done. Normally, the hot water storage tank is often arranged close to the corner of the base plate 29, but here, by installing the hot water storage tank 22 in the center on the side 29d side, other parts are provided on both sides of the hot water storage tank 22. Space to install is secured. And the 1st components installation plan area | region 41 close | similar to the edge | side 29b and the 2nd component installation plan area | region 42 close | similar to the edge | side 29c are provided using the secured space. Further, the base plate 29 is provided with a third part installation planned area 43 closer to the side 29a than the first part installation planned area 41. In addition, the rinsing pump 24 having a large weight is installed at substantially the center of the base plate 29, and the control box 25 is installed along the side 29a.

  In the first part installation planned area 41, a pipe insertion port 41a and a bracket insertion port 41b are provided. As shown in FIG. 4, a connection pipe 21 for guiding water from an external water heater to the hot water storage tank 22 is attached to the pipe insertion port 41 a. That is, first, the flange 37a of the joint 37 is screwed to the lower surface of the base plate 29 with the outlet side end of the joint 37 inserted into the pipe insertion port 41a from below. Then, one end of the L-shaped connection pipe 21 is bolted to the outlet side end protruding from the upper surface of the base plate 29.

  The body 37b of the joint 37 has a built-in filter for purifying passing water, and this filter can be replaced by removing the lid 37c screwed to the end of the body 37b. It is. In order to facilitate the replacement of the filter even after the dishwasher 1 is installed, when the joint 37 is installed on the lower surface of the base plate 29, the cover 37c is attached in such a direction as to be located on the front side.

  The other end of the connection pipe 21 is connected to a water valve 22a (see FIG. 1), and the water valve 22a is fixed to the upper lid of the hot water storage tank 22 via a bracket. Therefore, when the water supply pipe 39 from the water heater is connected to the inlet side end of the joint 37, the water from the water heater passes through the water supply pipe 39, the joint 37, the connection pipe 21, and the water valve 22a to the hot water storage tank 22. To be supplied.

  With such a configuration of the first part installation planned area 41, the connection pipe 21 can be attached to and detached from the base plate 29 by attaching and detaching bolts. Further, the connection pipe 21 and the water valve 22a can be removed together by removing the bracket of the water valve 22a from the upper surface of the hot water storage tank 22.

  As shown in FIG. 5, a tongue piece 23b in front of the bracket 23a of the detergent supply device 23 is inserted into the bracket insertion port 41b. The detergent supply device 23 is fixed to the base plate 29 by screwing the rear of the bracket 23 a into the screw hole 41 c of the base plate 29. With this configuration, the detergent supply device 23 can be easily detached from the base plate 29 by attaching and detaching screws.

  As shown in FIG. 3, the above-described second part installation scheduled area 42 also has a pipe insertion port 42a having the same configuration as the pipe insertion port 41a, a bracket insertion port having the same configuration as the bracket insertion port 41b and the screw hole 41c. 42b and a screw hole 42c are provided. Also, in the third part installation scheduled area 43, a pipe insertion port 43a having the same configuration as the pipe insertion port 41a, a bracket insertion port 43b and a screw hole 43c having the same configuration as the bracket insertion port 41b and the screw hole 41c, Is provided. The base plate 29 has a discharge opening 45 for discharging overflow water from the hot water storage tank 22, a drain opening 47 for discharging water in the hot water storage tank 22 during maintenance, an opening 49 as a detergent inlet, and the like. Is also provided.

  Based on the above configuration, when assembling the dishwasher 1 with the standard door setting, the operation unit 26 is attached to the column 6 and the front panel 31 is attached to the columns 5 and 6, as shown in FIG. . Further, a third part installation scheduled area 43 close to the front panel 31 is selected as an installation area for the connection pipe 21 and the detergent supply device 23. That is, the joint 37 is attached to the pipe insertion port 43a, and the lower end of the connection pipe 21 is connected to the joint 37 at the position of the pipe insertion port 43a. Then, the tongue piece 23 b of the bracket 23 a of the detergent supply device 23 is inserted into the bracket insertion port 43 b, and the detergent supply device 23 is fixed on the base plate 29. In this case, the pipe insertion ports 41a and 42a and the bracket insertion ports 41b and 42b are not used and may be closed with a cap.

  Further, as shown in FIG. 6, when assembling the dishwasher 1A with the right door setting, the operation unit 26 is attached to the column 5 and the front panel 31 is attached between the columns 4 and 5, A side panel 32 is attached. Further, as the installation area of the connection pipe 21 and the detergent supply device 23, the first part installation scheduled area 41 that is located in the immediate vicinity of the front panel 31 is selected. That is, the connection pipe 21 is attached to the pipe insertion port 41a (see FIG. 3), and the detergent supply device 23 is attached to the bracket insertion port 41b (see FIG. 3).

  Similarly, as shown in FIG. 7, when assembling the dishwasher 1B set to the left door, the operation unit 26 is attached to the column 3 and the front panel 31 is attached between the columns 3 and 6 to support the columns 5 and 6. A side panel 33 is attached between them. Further, as the installation area of the connection pipe 21 and the detergent supply device 23, the second part installation planned area 42 that is positioned in the immediate vicinity of the front panel 31 is selected. That is, the connection pipe 21 is attached to the pipe insertion port 42a (see FIG. 3), and the detergent supply device 23 is attached to the bracket insertion port 42b (see FIG. 3).

  As described above, by appropriately selecting the three parts installation scheduled areas 41 to 43, three types of dishwashers 1, 1A and 1B having different door settings can be assembled using the same parts. In this case, the connection pipe 21 and the detergent are located close to the front panel 31 in any of the standard door setting dishwasher 1, the right door setting dishwasher 1A, and the left door setting dishwasher 1B. Since the supply device 23 exists, it is easy to reach from the front panel 31 side, and maintenance and detergent replenishment operations are easy.

  Further, when changing the door setting of the dishwasher 1 and reassembling the dishwashers 1A and 1B, the door 7, the washing tank 17, the washing pump 19, the hot water tank 22, the rinsing pump 24, the control box 25, etc. The main parts need not be moved, and only the relatively easy parts such as the operation unit 26, the connection pipe 21, the joint 37, the detergent supply device 23, and the panels 31 to 33 need to be moved. Therefore, the door setting can be changed with a simple operation.

  As another method of changing the door setting of the dishwasher 1, a method of changing the direction of the door 7 with respect to the machine room D and the piping in the washing room S without moving the operation unit 26 can be considered. . According to this method, when viewed from the front side, the positions of the connection pipe 21 and the detergent supply device 23 can be made constant regardless of the door setting. However, in this method, it may be necessary to replace the cleaning tank 17 in order to adapt to the piping in the cleaning chamber S to be changed. In this case, it is necessary to perform caulking at the joint between the cleaning tank 17 and the cleaning chamber S, and the work load is large. Compared to such a system, the above-described door setting change of the dishwasher 1 can reduce the work load.

  In addition, since various internal parts such as sensors are built in the hot water storage tank 22, the upper cover of the hot water storage tank 22 may be opened to perform maintenance on the internal parts. Here, since the upper lid of the hot water storage tank 22 is configured to slide open horizontally, if the bracket of the water valve 22a is removed from the upper lid, the upper lid can be slid open without removing the lower end of the connection pipe 21. it can. Further, as described above, the hot water storage tank 22 is installed at the center in the vicinity of the one side 29d. Therefore, in any of the dishwashers 1, 1A, 1B, the hot water storage tank 22 is relatively handed from the front panel 31 side. Easy to reach. Therefore, in maintenance of the hot water storage tank 22, workability can be ensured regardless of the door setting.

  Further, there may be a case where it is desired to remove the hot water storage tank 22 or the like and take it out of the machine room D during maintenance. In order to facilitate removal in such a case, the hot water storage tank 22 is fixed on the base plate 29 with a structure as shown in FIG. 8A or FIG. 8B. FIGS. 8A and 8B are side views of the hot water storage tank 22 in FIG. 1 as viewed from the front panel 31 side. As shown in FIG. 8A, L-shaped flanges 51 and 53 are attached to the lower portions of the left and right side surfaces of the hot water storage tank 22, respectively. In installing the hot water storage tank 22, the left L-shaped flange 51 is screwed to the base plate 29 with the hot water storage tank 22 placed on the base plate 29. The right L-shaped flange 53 is not screwed, and the crank member 55 is screwed onto the base plate 29 in a state where the upper surface of the right L-shaped flange 53 is pressed by the crank member 55.

  According to such a structure, the hot water storage tank 22 can be removed from the base plate 29 without removing the crank member 55 by unscrewing the left L-shaped flange 51 and sliding the hot water storage tank 22 horizontally to the left. Can do. Therefore, in the dishwasher 1A with the right door setting shown in FIG. 6, if this structure is adopted, the hot water storage tank 22 can be easily removed from the base plate 29 by removing the front screw from the front panel 31 side. Can do. Such a fixing structure is also adopted in the rinsing pump 24 and the control box 25, and can be easily detached from the base plate 29.

  In the dishwasher 1A having the right door setting, when the hot water storage tank 22 is maintained, the detergent supply device 23 is removed, and the hot water storage tank 22 is passed between the support column 4 and the pipe insertion port 41a to the front. It can be easily taken out of the machine room D from the panel 31 side. That is, the interval between the support column 4 and the pipe insertion port 41a is designed to be wider than the front and rear width of the hot water storage tank 22, and the hot water storage tank 22 is taken out from the machine room D without removing the connection pipe 21 from the pipe insertion port 41a. Be able to. Similarly, when the rinsing pump 24 is taken out, it can be passed between the support column 4 and the pipe insertion port 41a. Further, the interval between the support column 5 and the pipe insertion port 41a is designed to be wider than the front and rear width of the control box 25, so that the connection pipe 21 and the support column 5 can be separated without removing the connection pipe 21 from the pipe insertion port 41a. Thus, the control box 25 can be taken out from the machine room D.

  On the other hand, in the dishwasher 1B set to the left door shown in FIG. 7, the hot water storage tank 22, the rinsing pump 24, and the control box 25 may be fixed with the structure shown in FIG. In this case, the method for taking out the hot water storage tank 22, the rinse pump 24, and the control box 25 from the machine room D is symmetric with the method for the dishwasher 1A having the right door setting described above, and the description thereof will be omitted. .

  As described above, when assembling the dishwashers 1A and 1B, the fixing structure of the hot water storage tank 22, the rinsing pump 24, and the control box 25 can be selectively employed. In addition, maintenance of the hot water storage tank 22 and the like can be facilitated.

  In addition, in the case of the dishwasher 1 of the standard door setting shown in FIG. 1, you may employ | adopt any structure of FIG. 8 (a), (b). In the case of the dishwasher 1 with the standard door setting, if the control box 25 is first taken out from the front panel 31 side, the hot water storage tank 22 and the rinsing pump 24 are used using the space between the column 6 and the pipe insertion port 43a. Can be taken out from the front panel 31 side.

  In this dishwasher 1, 1A, 1B, the rinsing pump 24 is installed at the approximate center of the base plate 29, and the control box 25 is installed along the side 29a. Therefore, regardless of the door setting of the dishwasher, the rinse pump 24 and the control box 25 are relatively easy to reach from the front panel 31 side. Therefore, in any of the dishwashers 1, 1A, 1B, workability when maintaining the rinse pump 24 and the control box 25 can be ensured. In addition, the heaters, the thermos, and the like provided in the cleaning tank 17 and the hot water storage tank 22 are arranged at positions where they can be seen from the front panel 31 side and easily reachable in any door setting. With such an arrangement, maintenance workability of the washing tank 17 and the hot water storage tank 22 can be ensured in any of the dishwashers 1, 1A, 1B.

It is a partially broken perspective view which shows embodiment of the dishwasher which concerns on this invention. (A) is a perspective view of the dishwasher of a right door setting, (b) is a perspective view of the dishwasher of a left door setting. It is a top view of the base plate of the dishwasher of FIG. It is a side view which shows the joint and connection pipe which are attached to a pipe insertion port. It is a perspective view which shows the bracket of a detergent charging device. It is a perspective view which shows the state at the time of the maintenance of the dishwasher of a right door setting. It is a perspective view which shows the state at the time of the maintenance of the tableware washing machine of a left door setting. (A), (b) is a side view which shows the fixation structure of a hot water storage tank.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1,1A, 1B ... Dishwasher, 13, 15 ... Rinse nozzle (spray nozzle), 21 ... Connection pipe (water supply pipe), 22 ... Hot water storage tank, 23 ... Detergent supply device, 23a ... Bracket, 23b ... Detergent storage tank 29 ... Base plate, 29a, 29b, 29c, 29d ... One side of the base plate, 41 ... First component installation planned region, 42 ... Second component installation planned region, 43 ... Third component installation planned region, 41a, 42a , 43a ... Pipe insertion port, 41b, 42b, 43b ... Bracket insertion port, D ... Machine room, S ... Cleaning room.

Claims (3)

Rinsing water is supplied from a hot water storage tank housed in the machine room to an injection nozzle housed in a cleaning room above the machine room, and rinse water is jetted from the spray nozzle to rinse dishes in the washing room. In the dishwasher configured to
The hot water storage tank is fixed on one side to the rectangular base plate of the machine room,
The base plate is provided with first and second component installation planned areas that enable selective installation change of components whose arrangement is scheduled to be changed on at least two sides of the other three sides.
Each of the first and second component installation scheduled areas is provided with a component holding part that detachably holds the scheduled component. The hot water storage tank is located in the center on the one side of the base plate,
In the base plate, a third part installation planned area that enables a selective installation change of the part whose arrangement is scheduled to be changed on one side of the other three sides other than the two sides. Is further provided,
2. The dishwasher according to claim 1, wherein a part holding unit that detachably holds the scheduled part is provided in the third part installation scheduled area. The scheduled component is a detergent supply device that supplies detergent into the cleaning chamber and / or a water supply pipe that supplies water from outside the machine room to the hot water storage tank. Dishwasher.

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