JP2006325782A - Dishwasher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a safe and convenient dishwasher allowing a user to take in/out the tableware without stooping. <P>SOLUTION: The dishwasher comprises a washing tub which is disposed in a casing in such a way as can be drawn out or stored inside and which has an opening on the upper side for taking in/out the tableware, and a lifting means for lifting the washing tub so that the upper end of the washing tub drawn out from the casing is higher at least than the upper surface of the casing, or lowering the washing tub so that the washing tub is stored in the casing. The dishwasher is characterized by a control device to control the dishwasher. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a dishwasher that draws out a washing tank from a housing to store dishes, and performs washing in a state where the washing tank is housed in the housing.

  A tableware washing machine that stores tableware and draws out a washing tank is described in, for example, Japanese Patent Application Laid-Open No. 2004-215901 (Patent Document 1). The dishwasher described in Patent Document 1 is normally used by being embedded in a kitchen unit of a kitchen. Since it is embedded in the kitchen unit, the washing tank that can be pulled out and stored is placed at a position lower than the top plate (upper plate) of the kitchen unit.

JP 2004-215901 A

  The dishwasher described in Patent Document 1 is provided in a position where the drawn-out washing tank is lower than the top plate of the kitchen unit. not good.

  In view of the above problems, an object of the present invention is to provide an easy-to-use safe dishwasher that can take in and out dishes without bending.

  In order to achieve the above object, a dishwasher of the present invention is housed in a housing, and has a cleaning tank having an opening on the upper side for taking in and out of dishes when pulled out from the housing, and is drawn out from the housing. Moving at least the opening of the cleaning tank to a position higher than the casing, and moving the opening to a position where the opening can be accommodated in the casing; and the lifting means This is achieved by having a traverse moving means that moves from within the housing, and a controller that controls the elevating means according to the operating state of the elevating means and the traversing moving means.

  By providing such a configuration, a dishwasher that can be handled easily and safely by the user can be realized.

  The present invention is provided with an outer frame so that it can be pulled out and stored, and has a cleaning tank having an opening on the upper side for taking in and out dishes, and the cleaning tank pulled out from the outer frame is raised higher than the outer frame, It has a control device which controls the raising and lowering means for lowering the washing tank so as to be housed in the container.

  Embodiments of the present invention will be described with reference to the drawings.

  First, FIG. 1 shows a state in which a dishwasher according to an embodiment of the present invention is installed in a kitchen unit. The kitchen unit 1 has an upper plate (top plate) 2 on the upper side. A drop sink 3 is provided in the center of the upper plate 2.

  The dishwasher installed in the kitchen unit 1 includes an outer frame 4 that forms a casing fixed inside the kitchen unit 1 and a grip 80 provided on the front panel 60, although not shown in FIG. When it is pulled, it has a cleaning tank 5 that is pulled out along with the front panel 60.

  The washing tank 5 is provided so as to be able to be drawn out and stored from the outer frame 4, and has an opening 6 for taking in and out the dishes on the upper side. The dishwasher is decorated so that the outer frame 4 is embedded in the kitchen unit 1.

  The dishwasher is mounted by being lowered from the upper plate (top plate) 2 with the upper surface of the outer frame 4 positioned above the depth of the sink 3.

  As shown in FIG. 1, the washing tub 5 is provided with a tableware basket 50 in which tableware is placed. Although not shown, the cleaning tank 5 includes a rotating nozzle body that injects cleaning water below the inside thereof, a cleaning pump that supplies the cleaning water to the rotating nozzle body, and a water reservoir that stores the cleaning water.

  A front panel 60 is provided on the front surface of the cleaning tank 5. The front panel 60 is provided with a cleaning operation unit 61 on the front and an elevating operation unit 62 on the top. The dish washing machine is operated by operating the washing operation unit 61. The raising / lowering operation part 62 is operated, and the vertical movement of the cleaning tank 5 described later is performed.

  The raising / lowering operation part 62 has the raising switch 62a which operates the raising shown in FIG. 7, the stop switch 62b which performs a stopping operation during the raising / lowering, and the lowering switch 62c which operates the lowering. The stop switch 62b is provided next to the raising switch 62a, the lowering switch 62c is provided next to the stopping switch 62b, and the raising switch 62a and the lowering switch 62c are not arranged side by side. Such an arrangement can prevent malfunction.

  The front panel 60 has a grip 80 for operating the outer frame 4 so that it can be pulled out and stored. When pulling out or pushing in, the user grips the grip portion 80 for operation. As shown in FIG. 7, the grip 80 has a movable lever 81. The movable lever 81 is operated by the grip operation, and the grip switch 82 is operated in contact with the button of the grip switch 82 provided inside. The grip switch 82 operates an electromagnetic lock pin 73 serving as a lock mechanism for a drawer operation described later.

  When the cleaning tank 5 is lifted by the lifting means 7 to be described later, as shown in FIG. 1, the upper opening 6 of the cleaning tank 5 exceeds the upper surface of the outer frame 4, and the upper plate (top plate) 2 of the kitchen unit 1 Because it is almost the same height, you can put in and out dishes without bending your waist. It is easy to use. By lowering the cleaning tank 5, the cleaning tank 5 can be stored in the outer frame 4 in the kitchen unit 1.

  Operations of the elevating means 7 and the traversing moving means 26 will be described with reference to FIGS. 2, 3, 4, and 5. FIG. The lifting / lowering means 7 is supported by the transverse moving means 26 so that it can be pulled out and stored in the outer frame 4. The traversing moving means 26 has a movable rail (not shown) placed on the fixed rail via a fixed rail and a roller (not shown). The frame bottom plate 8a of the elevating means 7 is fastened to the movable rail 28 with screws. The movable rail 28 moves back and forth on the fixed rail 27. The elevating means 7 is supported on the movable rail 28. For this reason, the lifting / lowering means 7 on which the heavy washing tub 5 containing tableware is placed is pulled out and stored in the outer frame 4 smoothly.

  As shown in FIGS. 1, 2, 4, and 7, the outer surface cover plates 29 provided on both sides of the elevating means 7 cover the outer frame plates 8 b and 8 c and a part of the cleaning tank 5 from the outside. It is formed integrally with a supporting bottom plate 29a existing between the outside of the cleaning tank 5 and the side wall 4a of the outer frame. The outer side surface covering plate 29 can be attached to the frame bottom plate 8a and the supporting bottom plate 29a can be omitted. The outer surface cover plate 29 covers the link mechanism of the elevating means 7 from the outside, which is safe and improves the appearance.

  A vertical movement guide means 40 for guiding the vertical movement of the cleaning tank 5 is provided on the side surface of the cleaning tank 5. The vertical movement guide means 40 includes a fixed guide member 40a and a movable guide member 40b. The movable guide member 40b enters and exits the fixed guide member 40a in a slidable manner.

  When the cleaning tank 5 moves up and down by the lifting means 7, the vertical movement guide means 40 guides the cleaning tank 5 straight up and down. For this reason, when moving up and down, the cleaning tank 5 does not swing back and forth, and there is no possibility that the cleaning tank 5 hits the outer frame 4 or the front frame plate 8d to cause the vertical movement failure of the cleaning tank 5.

  As the vertical position detection means, an upper position detection switch 41 and a lower position detection switch 42 are provided, and the lower position detection switch 42 is provided in the cleaning tank 5.

  As shown in FIG. 5, a switch rear cam 43 is provided on the upper rear surface of the fixed guide member 40a. The cleaning tank 5 is lifted upward, the switch rear cam 43 comes into contact with the push button of the upper position detection switch 41, and the upper position detection switch 41 is activated. By the operation of the upper position detection switch 41, it can be detected that the cleaning tank 5 has come to the upper position.

  The cleaning tank 5 is lowered, the switch rear cam 43 comes into contact with the push button of the lower position detection switch 42, and the lower position detection switch 42 is operated. By operating the lower position detection switch 42, it can be detected that the cleaning tank 5 has come to the lower position.

  The driving motor 11 is operated by the operation of the elevating operation unit 62, the elevating means 7 is activated, and the cleaning tank 5 is elevated. When the cleaning tank 5 is raised upward, the upper position detection switch 42 is operated, and the lowering of the elevating means 7 is stopped.

  As shown in FIG. 6, the elevating means 7 includes an elevating base frame 8, link arms 9a and 9b of a link mechanism, mounting bases 10a and 10b, a motor base 12, a driving motor 11, a rotating shaft 11a, a small diameter motor pulley 11b, Large pulley 13, rotating shaft rod 14, shaft rod receiving portion 15, shaft rod support portion 16, belt 17, support shaft 18, guide long groove 19, moving operation shaft 20, guide long groove 22, rotating roller 23, rear shaft rod body Consists of 25.

  As the drive motor 11 rotates, the link arms 9a and 9b rotate with the support shaft 18 as a fulcrum, and when the link arms 9a and 9b are in a standing state, the cleaning tank 5 mounted on the mounting bases 10a and 10b. Is lifted up. Conversely, when the link arms 9a, 9b fall to the side, the cleaning tank 5 is lowered.

  As shown in FIGS. 7 and 8, a push-in detection switch 71 is provided on the inner side of the outer frame 4 on the back side, a drawer detection switch 70 is provided on the front side, and each is fixed to the outer frame 4 with a screw or the like. .

  A cam 72 is provided on the back side of the outer side surface of the outer side surface covering plate 29. The outer side cover plate 29 can be stored in the outer frame 4 by the traversing moving means 26, and the cam 72 matches the push button positions of the push-in detection switch 71 on the back side and the drawer detection switch 70 on the near side.

  In a state where the outer surface covering plate 29 is housed in the outer frame 4 (FIG. 8), the cam 72 comes into contact with the push button of the push detection switch 71 on the back side and the push detection switch 71 operates. At the same time, since the push button of the drawer detection switch 70 on the near side does not contact the cam 72, the drawer detection switch 70 does not operate.

  Further, in a state where the outer side cover plate 29 is pulled out from the outer frame 4 (FIG. 7), the cam 72 comes into contact with the push button of the drawer detection switch 70 on the near side, and the drawer detection switch 70 operates. At the same time, the push button of the back side push-in detection switch 71 does not contact the cam 72, so the push-in detection switch 71 does not operate.

  As shown in FIGS. 7 and 8, the inner side surface of the outer frame 4 is provided with a push-in pin through hole 75 on the back side, a pull-out pin through hole 74 is provided on the front side, and each of the outer frame 4 with a screw or the like. It is fixed.

  An electromagnetic lock pin 73 is provided on the back side of the outer side surface of the outer side surface covering plate 29. The outer side cover plate 29 can be stored in the outer frame 4 by the transverse movement means 26, and the electromagnetic lock pin 73 matches the position of the push-in pin through hole 75 on the back side and the position of the lead-out pin through hole 74 on the near side.

  In a state where the outer surface cover plate 29 is stored in the outer frame 4, the electromagnetic lock pin 73 is fitted in the hole of the push-pin through hole 75 on the back side and the electromagnetic lock pin 73 operates. At the same time, the electromagnetic lock pin 73 does not operate in the hole of the drawing pin through hole 74 on the near side, so that the drawing pin through hole 74 does not operate.

  Further, in a state where the outer surface covering plate 29 is pulled out from the outer frame 4, the electromagnetic lock pin 73 is fitted in the hole of the front drawing-out pin 74 and the electromagnetic lock pin 73 operates. At the same time, since the electromagnetic lock pin 73 does not operate in the hole of the push pin through hole 75 on the back side, the drawer pin through hole 74 does not operate.

  A control device 63 for controlling the above configuration is provided inside the front panel 60. The control specifications of the microcomputer 63a incorporated in the control device 63 are shown below.

  As shown in FIG. 9, a grip switch 82, a raise switch 62a, a stop switch 62b, a lower switch 62c, a drawer detection switch 70, a push-in detection switch 71, an upper position detection switch 41, a lower position detection switch 42, an electromagnetic lock pin 73, The drive motor 11 is controlled by a control device 63 equipped with a microcomputer 63a.

  A control state pattern corresponding to the on / off combination of each detection switch will be described using Table 1.

  For pattern (1), when all of the drawer detection switch 70, push-in detection switch 71, upper position detection switch 41, and lower position detection switch 42 are off, the drawer position is undefined, the push-in position undefined, the upper point position undefined, and the lower An error occurs because the point position is undefined.

  For pattern (2), when the drawer detection switch 70 is off, the push-in detection switch 71 is on, the upper position detection switch 41 is 0ff, and the lower position detection switch 42 is off, the drawer position is undefined, the push-in position is determined, and the upper point position is undefined At the same time, because the lower point position is undefined, an error is assumed.

  For pattern (3), when the drawer detection switch 70 is off, the push-in detection switch 71 is off, the upper position detection switch 41 is 0n, and the lower position detection switch 42 is off, the drawer position is undefined, and at the same time the push position is undefined, the upper point position Since it is fixed and the lower point position is undefined, an error is assumed.

  For pattern (4), when the drawer detection switch 70 is off, the push-in detection switch 71 is off, the upper position detection switch 41 is 0ff, and the lower position detection switch 42 is on, the drawer position is undefined, and the push-in position is undefined. The position is indeterminate and the lower point position is fixed, so it is normal.

  In the normal state during the pulling out operation from the retracted state to the outer frame 4, the lifting switch 62a and the lowering switch 62c are not received, only the grip switch 82 is received, and the grip switch 82 is turned on to operate the electromagnetic lock pin 73 to lock. Release the mechanism.

  Also, in the normal state during the push-in operation of retracting from the pulled out state to the outer frame 4, the lift switch 62a and the lower switch 62c are not received, but only the grip switch 82 is received. The grip switch 82 is turned on and the electromagnetic lock pin 73 is turned on. Operate to release the lock mechanism.

  For pattern (5), when the drawer detection switch 70 is off, the push-in detection switch 71 is on, the upper position detection switch 41 is on, and the lower position detection switch 42 is off, the drawer position is undefined, the push-in position is determined, and the upper point position An error occurs because it is fixed and the lower point position is undefined.

  For pattern (6), when the drawer detection switch 70 is off, the push-in detection switch 71 is on, the upper position detection switch 41 is 0ff, and the lower position detection switch 42 is on, the drawer position is undefined, the push-in position is determined, and the upper-point position Indefinite, normal condition because the lower point position is fixed.

  This corresponds to the normal state stored in the outer frame 4 before putting tableware, before washing, before taking out tableware after washing, and after taking out tableware after washing. In this state, the raising switch 62a and the lowering switch 62c are not accepted, and only the grip switch 82 is accepted.

For pattern (7), when the drawer detection switch 70 is off, the push-in detection switch 71 is on, the upper position detection switch 41 is on, and the lower position detection switch 42 is on, the drawer position is indefinite, the push-in position is determined, and the upper point position Pattern (8), which is confirmed, and at the same time as an error to confirm the lower point position, is displayed when the drawer detection switch 70 is off, the push-in detection switch 71 is off, the upper position detection switch 41 is on, and the lower position detection switch 42 is on. In the pattern (9), the drawer detection switch 70 is turned on, the push-in detection switch 71 is turned off, the upper position detection switch 41 Is OFF and the lower position detection switch 42 is OFF, it is normal because the drawer position is fixed, the push-in position is undefined, the upper point position is undefined, and at the same time the lower point position is undefined.

  The grip switch 82 and the lowering switch 62c are not received in the normal state in the middle of the raising in which the raising switch 62a is received and the driving motor 11 is operated by the raising switch 62a.

  Further, the grip switch 82 and the lift switch 62a are not received in a normal state in the middle of lowering in which the lower switch 62c is received and the drive motor 11 is operated by the lower switch 62c.

  For pattern (10), when the drawer detection switch 70 is on, the push detection switch 71 is on, the upper position detection switch 41 is off, and the lower position detection switch 42 is off, the drawer position is confirmed, the push position is confirmed, and the upper point An error occurs because the position is undefined and the lower point position is undefined.

  For pattern (11), when the drawer detection switch 70 is on, the push-in detection switch 71 is off, the upper position detection switch 41 is on, and the lower position detection switch 42 is off, the drawer position is determined, the push position is undefined, and the upper point position Normal, because the lower point position is undefined.

  When the dish is fully lifted, the grip switch 82 and the raising switch 62a are not accepted in the normal state when the dish is removed, and only the lowering switch 62c is accepted.

  For pattern (12), when the drawer detection switch 70 is on, the push-in detection switch 71 is off, the upper position detection switch 41 is off, and the lower position detection switch 42 is on, the drawer position is confirmed, the push-in position is undefined, and the upper point position Indefinite, normal condition because the lower point position is fixed.

  The grip switch 82 is pulled from the outer frame 4 to turn from on to off, the operation of the electromagnetic lock pin 73 is released, the lock mechanism is activated, and the grip switch 82 and the lift switch are in a normal state of being held in the pulled out state. 62a is accepted, and the lowering switch 62c is not accepted. The grip switch 82 and the raising switch 62a are accepted, and the lowering switch 62c is not accepted in a normal state in which the lowering operation is completed while being pulled out from the outer frame 4.

  For pattern (13), when the drawer detection switch 70 is on, the push detection switch 71 is on, the upper position detection switch 41 is on, and the lower position detection switch 42 is off, the drawer position is confirmed, the push position is confirmed, and the upper point position is An error occurs because it is fixed and the lower point position is undefined.

  For pattern (14), when the drawer detection switch 70 is on, the push-in detection switch 71 is on, the upper position detection switch 41 is off, and the lower position detection switch 42 is on, the drawer position is confirmed, the push position is confirmed, and the upper point An error occurs because the position is undefined and the lower point position is determined.

  For pattern (15), when the drawer detection switch 70 is on, the push-in detection switch 71 is on, the upper position detection switch 41 is on, and the lower position detection switch 42 is on, the drawer position is confirmed, the push position is confirmed at the same time, the upper point It is an error to determine the position and simultaneously determine the lower point position.

  For pattern (16), when the drawer detection switch 70 is on, the push-in detection switch 71 is off, the upper position detection switch 41 is on, and the lower position detection switch 42 is on, the drawer position is confirmed, and the push position is undefined at the same time. It is an error to determine the position and simultaneously determine the lower point position.

  When the drawer switch 70 is on, the push detection switch 71 is off, the upper position detection switch 41 is off, and the lower position detection switch 42 is on, the lift switch 62a is fixed at the drawer position, the push position is undefined, the upper point position is undefined, the lower In order to determine the point position, it is determined that it is in a normal state, and the drive motor 11 is accepted and moved up.

  The lowering switch 62c is determined when the drawer detection switch 70 is on, the push-in detection switch 71 is off, the upper position detection switch 41 is on, and the lower position detection switch 42 is off. Since the point position is indefinite, it is determined that it is in a normal state, and the drive motor 11 is operated and lowered.

  In order to accept a descent operation during an ascending emergency such as a foreign object or a hand being caught, the drawer detection switch 70 is on, the push-in detection switch 71 is off, the upper position detection switch 41 is on, and the lower position detection switch 42 is off. In the middle of the raising operation when the raising switch 62a is operated, the lowering switch 62c is received, and the driving motor 11 is reversed and lowered.

  Also, in the event of an emergency operation such as inserting a foreign object or pinching a hand, the drawer detection switch 70 is on, the push-in detection switch 71 is off, the upper position detection switch 41 is off, and the lower position detection switch 42 is off. From the on state, the raising switch 62a is received during the lowering operation when the lowering switch 62c is operated, and the drive motor 11 is reversed and raised.

From the normal state in which the drawer detection switch 70 is on, the push-in detection switch 71 is off, the upper position detection switch 41 is 0ff, and the lower position detection switch 42 is on, the lift switch 62a is received and the drive motor 11 is operated.
There is a limitation that the continuous time from when the lower position detection switch 42 is switched from on to off until when the upper position detection switch 41 is switched from off to on is, for example, 10 seconds.

  When a power failure occurs during the ascending operation or the descending operation, the lifting mechanism is operated manually by the manual operation unit 90b.

  If a power failure occurs during the ascending or descending operation and the power recovers from the power failure, the automatic up / down operation is not performed by the automatic recovery while the motor is stopped at the time of the power failure.

  Since it is controlled by this control, it is possible to safely use a dishwasher that can be retracted by the drawer type and that moves up and down in the lifting section.

The external appearance perspective view of the dishwasher by which it concerns on the Example of this invention and was equipped with the kitchen unit. The perspective view of the dishwasher which concerns on the Example of this invention and shows the state which pulled out the washing tank from the outer frame. The perspective view of the dishwasher which concerns on the Example of this invention, and shows the state which does not have the outer surface cover plate with which the washing tank was pulled out from the outer frame. The perspective view of the dishwasher which concerns on the Example of this invention and shows the state which pulled out the washing tank from the outer frame and lifted it up. The perspective view of the dishwasher which concerns on the Example of this invention and shows the state which has not attached the outer surface cover plate which pulled out the washing tank from the outer frame, and was lifted. The perspective view which concerns on the Example of this invention and shows a raising / lowering means. The perspective view of the dishwasher which concerns on the Example of this invention, shows the state which pulled out the washing tank from the outer frame, and shows the components of a control circuit. The perspective view of the dishwasher which concerns on the Example of this invention, shows the state which accommodated the washing tank in the outer frame, and shows the components of a control circuit. FIG. 4 is a control circuit diagram of drawer storage and lifting operation according to the embodiment of the present invention.

Explanation of symbols

4 ... Outer frame, 6 ... Opening, 5 ... Cleaning tank, 7 ... Lifting means.

Claims (15)

  A cleaning tub that is housed in a housing and has an opening on the upper side for taking in and out of tableware when pulled out from the housing, and at least the opening of the cleaning tub pulled out from the housing from the housing The cleaning tank lifting / lowering means for moving the opening to a position where the opening can be accommodated in the casing, a traversing moving means for moving the lifting / lowering means from within the casing, the lifting / lowering means, A dishwasher comprising: a control device that controls the elevating means in accordance with an operating state of the traversing moving means.   2. The dishwasher according to claim 1, comprising a washing operation unit on a front surface of a front panel that moves with the washing tank, and a washing tank lifting operation unit on an upper surface of the front panel.   3. The dishwasher according to claim 2, wherein the washing tank raising / lowering operation unit arranges a stop switch next to the up switch, arranges a down switch next to the stop switch, and the up switch and the A dishwasher with a descent switch that is not next to it.   2. The dishwasher according to claim 1, further comprising a grip portion on a front surface of the front panel that moves with the washing tub, and a grip lever that opens and closes a contact point of a built-in grip switch. Dishwasher.   The tableware washing machine according to claim 1, having an outer surface cover plate on both sides of the raising and lowering means for placing the cleaning tank, and having an electromagnetic lock pin on the back side of the outer surface of the outer surface cover plate, There is a pin through hole at the back of the inner surface of the housing at a position that matches the position of the electromagnetic lock pin when the cleaning bath is housed in the housing, and the electromagnetic lock is at a position where the cleaning bath is pulled out from the housing. A dishwasher having a pin through hole in front of the inner surface of the housing at a position that matches the position of the pin.   6. The dishwasher according to claim 5, wherein a grip portion is provided on a front surface of the front panel that moves along with the washing tub, and the electromagnetic lock pin is in accordance with a state of a grip switch incorporated in the grip portion. The dishwasher is controlled by the control device so that the pin protrudes in the non-energized state and fits into the pin through hole and the lock mechanism works, and the pin is recessed in the energized state and is released from the pin through hole to release the lock mechanism.   2. The dishwasher according to claim 1, wherein outer plates are provided on both sides of the elevating means on which the washing tank is placed, a cam is provided on an inner side of the outer surface of the outer plate, and the washing is performed. A push-in detection switch is provided at the back of the inner surface of the housing at a position that matches the cam when the bath is housed in the housing, and the housing is positioned at a position that matches the cam when the cleaning bath is pulled out from the housing. A dishwasher having a drawer detection switch in front of the side of the body, and information on the push-in detection switch and the drawer detection switch is always transmitted to the control device.   The dishwasher according to claim 1, wherein a vertical movement guide means for guiding the vertical movement of the washing tank is provided, a cam is provided above and below a fixed guide member provided inside the outer surface cover plate, It has a lower position detection switch on the upper side of the movable guide member of the cleaning tank at a position matching the upper cam when the cleaning tank is lowered, and matches the lower cam when the cleaning tank is raised A dishwasher having an upper position detection switch on the lower side surface of the movable guide member of the cleaning tank at the position where the information is transmitted to the control device at all times.   2. The dishwasher according to claim 1, wherein on / off information of the drawer detection switch, the push-in detection switch, the upper position detection switch, and the lower position detection switch is combined, and the control device further includes the raising switch and the stop. Dishwasher for controlling acceptability of switch, lowering switch, and grip switch   10. The dishwasher according to claim 9, wherein a combination of states of the drawer detection switch, the push-in detection switch, the upper position detection switch, and the lower position detection switch matches a combination of information preset in the control device. If this is the case, the dishwasher will switch to error mode, judging it to be defective.   10. The dishwasher according to claim 9, wherein a combination of information of the drawer detection switch, the push-in detection switch, the upper position detection switch, and the lower position detection switch matches a combination of information preset in the control device. In this case, the raising switch is received and the driving motor is operated to move up, and when the combination with another information preset in the control device matches, the lowering switch is received to operate the driving motor. A dishwasher that moves down.   2. The dishwasher according to claim 1, wherein a combination of information of the drawer detection switch, the push-in detection switch, the upper position detection switch, and the lower position detection switch matches a combination of information preset in the control device. If the combination of information set in advance in the control device matches the control device when the drive motor is in operation and the drive motor is in operation, the down switch is accepted and the drive motor is operated to move down In addition, when the combination of information preset in the control device matches, the combination of information preset in the control device when the lowering switch is received and the driving motor is operated and the lowering operation is in progress. If they match, the lift switch is received and the drive motor operates to move up, and reverse operation that can be used for crisis avoidance etc. Dishwasher.   The dishwasher according to claim 10, wherein a combination of information transmission of the drawer detection switch, the push-in detection switch, the upper position detection switch, and the lower position detection switch, and a combination of information preset in the control device, If the two values match, the raising switch is received and the drive motor is operated to move up, and the maximum time until each information of the upper position detection switch and the lower position detection switch is switched is preset in the control device. If the time until the information of each of the upper position detection switch and the lower position detection switch is over the preset maximum time, it is determined as a problem and the error mode is entered, and the ascending operation is performed. Dishwasher to stop.   2. The dishwasher according to claim 1, further comprising a manual operation mechanism capable of manually driving an elevating mechanism of the elevating means when the operation of the elevating means is stopped during the elevating operation.   13. The dishwasher according to claim 12, wherein when the operation of the elevating means stops during the elevating operation, the control unit stops in a power failure state after the power failure is restored when the operation is stopped. A dishwasher that does not run up and down that was set before the operation was stopped.

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