JP2007330707A - Dishwasher - Google Patents

Abstract

Disclosed is a dishwasher capable of preventing water leakage in a washing process and capable of drying dishes more effectively than a conventional dishwasher.
An upper door body 21 and a lower door body 22 that close an opening 2g formed on the front side of a cleaning tank 2, and one end side is pivotally supported on a side portion of the cleaning tank 1, and an upper door body 21 is provided. And an upper door support arm 31 that supports the table so as to be pivotable up and down. The tableware is washed by spraying the washing water supplied to the washing tank 2 and dried by a heater arranged in the washing tank 2. In the dishwasher, the upper door body 21 is pivotally supported on the other end side of the upper door support arm 31 so that the upper door body 21 tilts and rises toward the front side.
[Selection] Figure 1

Description

  The present invention relates to a dishwasher, and in particular, includes a door that closes an opening formed on the front side of a washing tub, and can swing the door to discharge steam generated in the drying process from the opening. The present invention relates to a dishwasher configured as described above.

  FIG. 14 is a schematic front view of a conventional dishwasher, and FIG. 15 is a schematic side sectional view of the dishwasher showing the opening and closing operations of the upper door body 121 and the lower door body 122. In the dishwasher, a washing tank 102 for storing tableware is arranged inside the housing 101. A cleaning nozzle (not shown) for spraying cleaning water, a heater for cleaning water heating and tableware drying, and the like are arranged inside the cleaning tank 102. The cleaning nozzle 102 is used to clean the spray nozzle between the cleaning tank 102 and the casing 101. A cleaning pump for supplying water, an intake fan, and the like are provided.

The casing 101 and the cleaning tank 102 have openings on the front side, and the upper door 121 and the lower door 122 close the openings. The upper door body 121 is supported so as to be pivotable up and down so as to open upward by a support arm 131 pivotally supported at one end on the side of the cleaning tank 102, and discharges steam generated in the tableware drying process. An exhaust port 121d is provided on the front side. The lower door body 122 includes a door opening button 122a. When the door opening button 122a is pressed, the upper door body 121 and the lower door body 122 that close the opening are rotated upward and downward, respectively, so that the opening is opened. Further, the upper door body 121, the lower door body 122, and the cleaning tank 102 have a sealed structure to prevent water leakage in the cleaning process, and the exhaust port 121d is also configured to be small enough not to leak water.
In the dishwasher configured as described above, the dishes can be washed by spraying the washing water. Further, the tableware can be dried by heating the heater and driving the intake fan.
JP-A 63-145622

However, in the conventional dishwasher, the upper door body 121, the lower door body 122, and the washing tank 102 have a sealed structure, and the exhaust port 121d is also configured to be small enough not to leak water, and thus occurred in the drying process. There was a problem that the steam was not easily discharged to the outside of the washing tank 102 and the tableware could not be efficiently dried.
In addition, when the drying process is completed without the steam being discharged to the outside of the washing tank 102, there is a problem that moisture is condensed on the tableware or the washing tank 102.

  The present invention has been made in view of such circumstances, and in order to open the opening as an exhaust port, the door body is pivotally supported on the other end side of the support arm so as to swing to the front side and the back side. Accordingly, an object of the present invention is to provide a dishwasher that can prevent water leakage in the washing process and can dry the dishes more effectively than a conventional dishwasher.

  Another object of the present invention is to allow the steam to be discharged upward from the opening by configuring the door body to swing in the direction of tilting and standing up to the front side, and the steam discharged to the front side. It is an object of the present invention to provide a dishwasher that can prevent the user from feeling uncomfortable.

  Another object of the present invention is to provide a dishwasher capable of preventing the door body from being tilted by a predetermined angle or more and hindering the drying process by providing a regulating means for regulating the tilt angle of the door body within a predetermined angle. It is to provide a dryer.

  Another object of the present invention is to constitute the regulating means by a tilt regulating rod whose one end is pivotally supported by the door body and the other end is movably connected along a groove formed in the middle of the support arm. Accordingly, it is an object of the present invention to provide a dishwasher that can regulate the tilt angle of the door body with a simple configuration.

  Another object of the present invention is to provide a dishwasher which can be electrically tilted and raised by providing a motor for tilting and standing the door.

  Another object of the present invention is to provide a dishwasher capable of automatically tilting the door in the drying process by providing a control means for tilting the door by rotating the motor in the drying process. .

  Another object of the present invention is to accept whether or not the door body needs to be tilted and to tilt the door body as necessary, so that the user selects whether or not the door body needs to be tilted in the drying process. It is to provide a dishwasher that can.

  Another object of the present invention is that, when the drying of the tableware is completed, the door is raised by rotating the motor so that dust enters from the opening after the drying process and adheres to the tableware. An object of the present invention is to provide a dishwasher that can prevent the above.

  Another object of the present invention is to restrict the vertical rotation of the door body when the door body is tilted, so that the door body tilted to the front side rotates upward and the door body and It is an object of the present invention to provide a dishwasher that can prevent unexpected overload from being applied to a support arm.

  Another object of the present invention is provided with a detecting means for detecting the blockage of the opening. When the opening is closed, the cleaning unit is configured to inject cleaning water so that the opening is opened. An object of the present invention is to provide a dishwasher capable of preventing washing water from being sprayed and splashing out of the washing tank.

  The dishwasher according to the present invention includes a door that closes an opening formed on the front side of the washing tub, and one end that is pivotally supported by the side of the washing tub, so that the door opens upward. And a support arm that supports the table so as to be pivotable up and down, and the tableware is washed by jetting the washing water supplied to the washing tank, and the tableware is dried by a heater disposed in the washing tank. In the dishwasher, the door body is pivotally supported on the other end side of the support arm so as to swing to the front side and the back side.

In the present invention, the door body is pivoted to the other end side of the support arm so as to open upward and swing to the front side and the back side. Therefore, when the door body is swung in the drying process, the opening is opened, and the steam generated in the drying process is discharged vertically or laterally from the opening.
Further, since the steam is discharged vertically or laterally from the opening, there is no possibility that the steam discharged to the front side will give the user an unpleasant feeling.

  The dishwasher according to the present invention is characterized in that the door body is pivotally supported by the support arm by a lateral pivot so as to swing in a direction of tilting and standing up to the front side.

  In the present invention, the door body is pivotally supported by the lateral pivot on the other end side of the support arm so as to swing in the direction of tilting and standing up to the front side. When the door is tilted to the front side in the drying process, the steam is discharged upward from the opening. Therefore, there is no possibility that the steam discharged to the front side will give the user an unpleasant feeling.

  The dishwasher according to the present invention is characterized by comprising a regulating means for regulating the tilt angle of the door body within a predetermined angle.

  In the present invention, the restricting means restricts the tilt angle of the door body within a predetermined angle. Therefore, the door body does not tilt beyond a predetermined angle, and the temperature drop in the cleaning tank in the drying process can be suppressed.

  In the dishwasher according to the present invention, the regulating means is tilted such that one end side is pivotally supported by the door body and the other end side is movably connected along a groove formed in the middle of the support arm. It is characterized by having a restriction rod.

  In the present invention, one end side of the tilt regulating rod is pivotally supported by the door body, and the other end side of the tilt regulating rod is movably connected along a groove formed in the middle of the support arm. When the door body tilts, the other end side of the tilt regulating rod moves along the groove portion, and when the tilt regulating rod moves to the other end side of the groove portion, the tilting of the door body is regulated.

  The dishwasher according to the present invention includes a motor that tilts and stands up the door body.

  In the present invention, the door body tilts and stands up by the driving force of the motor. Therefore, it is not necessary for the user to manually tilt and stand the door body.

  The dishwasher according to the present invention comprises control means for rotating the motor so that the door body tilts when the tableware is dried.

  In the present invention, when drying the tableware, the control means rotates the motor and tilts the door body. Accordingly, the door body automatically tilts in the drying process, and the steam is discharged.

  The dishwasher / dryer according to the present invention includes a receiving unit that receives whether or not the door body needs to be tilted, and the control unit rotates the motor when the receiving unit receives a tilting request. It is characterized by being.

  In the present invention, the accepting means accepts whether or not the door body needs to be tilted. And a control means rotates a motor in a drying process and tilts a door body, when a reception means receives that the tilting of a door body is required. The control means does not rotate the motor in the drying process when the accepting means accepts that the tilting of the door body is unnecessary.

  The dishwasher according to the present invention is characterized in that the control means comprises means for rotating the motor so that the door body stands when the drying of the tableware is finished.

  In this invention, a control means rotates a motor so that a door body may stand up, when drying of tableware is finished. Therefore, it is possible to prevent dust from entering from the opening after the drying process.

  The dishwasher according to the present invention is characterized by comprising means for restricting the vertical rotation of the door body when the door body is tilted.

  In the present invention, when the door body is tilted to the front side, the vertical rotation of the door body is restricted. That is, when the door body is tilted, the rotation of the door body around one end side of the support arm is restricted, and only when the door body is not tilted, the door body opens upward. Therefore, there is no possibility that an unexpected overload is applied to the door body and the support arm.

  The dishwasher according to the present invention is characterized by comprising detection means for detecting the blockage of the opening, and means for jetting wash water when the detection means detects the blockage of the opening.

  In the present invention, the cleaning water is jetted when the detection means detects the blockage of the opening, and the cleaning water is not jetted when the detection means detects the opening of the opening. Therefore, the cleaning water does not scatter to the outside from the open opening.

According to the present invention, while preventing water leakage in the washing process, the steam is discharged from the opening by swinging the door body in the drying process, thereby drying the dishes more effectively than the conventional dishwasher. Can be made.
Further, since the steam is discharged vertically or laterally from the opening, there is no possibility that the steam discharged to the front side will give the user an unpleasant feeling.

  ADVANTAGE OF THE INVENTION According to this invention, a vapor | steam can be discharged | emitted upwards from an opening part, and it can prevent that the vapor | steam discharged | emitted to the front side gives a user discomfort.

  ADVANTAGE OF THE INVENTION According to this invention, it can prevent that a door body inclines more than a predetermined angle and a trouble arises in a drying process.

  According to the present invention, the tilt angle of the door body can be regulated with a simple configuration.

  According to the present invention, it is possible to tilt and stand the door body electrically.

  ADVANTAGE OF THE INVENTION According to this invention, a door can be tilted automatically in a drying process, and a vapor | steam can be discharged | emitted from an opening part.

  According to the present invention, the user can select whether or not the door body needs to be tilted in the drying process.

  ADVANTAGE OF THE INVENTION According to this invention, it can prevent that dust penetrate | invades from an opening part after completion | finish of a drying process, and adheres to tableware.

  According to the present invention, it is possible to prevent the door body tilted to the front side from rotating upward and causing unexpected overload to the door body and the support arm.

  ADVANTAGE OF THE INVENTION According to this invention, when the opening part is open | released, washing water is injected and it can prevent that washing water splashes out of a washing tank.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.
(Embodiment 1)
1 to 3 are schematic cross-sectional side views of the dishwasher according to Embodiment 1 of the present invention. In the figure, reference numeral 2 denotes a substantially rectangular parallelepiped cleaning tank disposed inside the housing 1. The casing 1 and the washing tub 2 are formed so that a rectangular opening 2g for taking in and out the tableware A is formed on the front side, and the opening 2g is closed by the upper door body 21 and the lower door body 22. Has been.

  As shown in FIG. 3, the cleaning tank 2 has a substantially rectangular bottom plate 2a inclined downward to the front side with respect to the placement surface 1a on the floor. On the other hand, a substantially vertical back wall 2b, side wall 2c and front wall 2d are formed, and a top plate 2e is formed at the upper ends of the back wall 2b and side wall 2c. The front side end portion of the side wall 2c has a vertical surface that is substantially orthogonal to the mounting surface 1a on the floor, and an inclined surface that is inclined from the upper portion of the vertical surface to the rear of the cleaning tank 2, and the upper end portion of the front wall 2d. And the opening part 2g is comprised with the front side edge part of the top plate 2e.

  A support rail (not shown) that supports the tableware basket 63 on which the tableware A is placed is formed on the side wall 2c, and a plurality of injection nozzles that inject cleaning water onto the tableware A placed on the tableware basket 63 are formed on the bottom plate 2a. 61 are juxtaposed in the horizontal direction. Further, a drain outlet 2f is recessed in the front side of the bottom plate 2a, and the washing water is heated in the vicinity of the entrance of the drain outlet 2f on the side wall 2c in the washing process, and the tableware A is dried in the drying process. The heater 67 is projected. Between the bottom plate 2 a and the housing 1, a cleaning pump 62 that supplies cleaning water stored in the drain port 2 f to the spray nozzle 61 and a control circuit 5 that controls driving of the cleaning pump 62 are disposed.

  An intake port 64 is provided on the back side of the housing 1. Between the housing 1 and the cleaning tank 2, an intake fan 65 that sucks outside air and a blower pipe 66 that blows air sucked by the intake fan 65 to the vicinity of the heater 67 in the cleaning tank 2 are disposed. As the intake fan 65 rotates in the drying process, the outside air is blown into the cleaning tank 2. The blown air is heated by the heater 67 and discharged to the outside of the washing tank 2 together with the vapor evaporated from the tableware A.

  The control circuit 5 is composed of, for example, a microcomputer, and sequentially executes the cleaning process, the rinsing process, and the drying process by controlling the injection of cleaning water by the cleaning pump 62, the heating of the heater 67, the rotation of the intake fan 65, and the like. It is configured.

  The upper door body 21 is formed so as to cover the upper half of the opening 2g following the front side end of each side wall 2c, and as shown in FIG. 2, two plate-like upper door support arms 31 are formed. Is supported so as to be rotatable up and down. The upper door body 21 opens upward as indicated by the alternate long and short dash line, and the lower door body 22 opens downward in conjunction with the rotation of the upper door body 21. A first pivot 2h projects from the outer and upper rear portions of the side walls 2c constituting the cleaning tank 2, and one end of the upper door support arm 31 is pivotally supported by each first pivot 2h. .

  The upper door support arm 31 includes a pivoted portion 31a pivotally supported by the first pivot 2h, a long plate-like middle portion 31b extending downward from the pivoted portion 31a on the front side, and a curved portion from the middle portion 31b. It has a support arm tip 31d that extends through 31c and is substantially parallel to the placement surface 1a. A pivot lever 31e for pivoting the upper door body 21 upward extends from the pivoted support portion 31a of the upper door support arm 31 so as to extend upward on the back side. One end of the first tension coil spring 41 is hooked to the tip of the rotation lever 31e, and the other end of the first tension coil spring 41 is hooked to an appropriate portion of the lower portion of the side wall 2c.

  A lateral second pivot 21a protrudes from the lower portion of both sides of the upper door body 21, and a hole into which the second pivot 21a is rotatably fitted is provided at the support arm tip 31d. The upper door body 21 is pivotally supported by the second pivot shaft 21a so as to tilt in the front side and swing in the direction to stand up to the back side, as shown by a one-dot chain line in FIG.

  Further, the upper door support arm 31 has a guide groove 31f of a predetermined length formed along the longitudinal direction in the middle portion 31b. A third pivot 21b is projected in a lateral direction above the second pivot 21a of the upper door body 21, and one end of the tilt regulating rod 33 is pivotally supported by the third pivot 21b. At the other end of the tilt regulating rod 33, a guided convex portion 33a is formed that can slide along the guide groove 31f. Further, one end of a second tension coil spring 42 for raising the upper door body 21 is hooked to the other end side of the tilt regulating rod 33, and the other end of the second tension coil spring 42 is the upper door support arm 31. It is the middle part 31b of this, Comprising: It is hooked by the pivot part 31a side from the guide groove 31f. When the upper door body 21 tilts to the front side, the second tension coil spring 42 urges the upper door body 21 to stand up, but when the tilt angle of the upper door body 21 reaches a predetermined angle, The urging force that erects the upper door body 21 by the two tension coil springs 42 has an elastic coefficient that is less than its own weight applied to the upper door body 21 tilted to the front side.

  A concave handle 21c for tilting the upper door body 21 toward the front is formed at the upper end of the upper door body 21. Further, the upper door body 21 is provided with a horizontally long exhaust port 21d for discharging steam generated in the drying process of the tableware A.

  The lower door body 22 is formed so as to cover the lower half of the opening 2g following the front side end of each side wall 2c, and the lower door body 22 is vertically rotated at the lower end of the lower door body 22. Thus, it is pivotally supported by the side wall 2c of the cleaning tank 2. The lower door body 22 has an inner wall facing the cleaning tank 2, and lower door support arms 32 project from both lateral sides of the lower portion of the inner wall. The lower door support arm 32 is made of a metal plate having a bowl shape when viewed from the side. The tip of the lower door support arm 32 and the middle portion 31b of the upper door support arm 31 are rotatably connected by a connecting arm 34. Yes.

  A push button type door opening button 22a is provided on the upper side of the front side of the lower door body 22 and in the substantially central portion in the left-right direction. On both sides of the inner wall in the lateral direction, one end side is pivotally supported so as to be swingable in the vertical direction, and hooks 22b biased downward are provided. The hook 22b is configured to rotate upward when the door opening button 22a is pressed.

  On the front side of the side wall 2c constituting the cleaning tank 2, a hook locking portion 35 for locking the hook 22b of the lower door body 22 that closes the opening 2g is provided, and the opening button 22a is pressed. When the hook 22b is rotated upward, the hook 22b is disposed so as to be detached from the hook locking portion 35.

  An operation panel 68 is disposed on the front side of the housing 1 and below the lower door body 22. The operation panel 68 has a start button for starting cleaning, a stop button for stopping cleaning, and the like.

In the dishwasher configured as described above, the upper door body 21 is opened upward and the lower door body 22 is opened downward by pressing the door opening button 22a, as indicated by a one-dot chain line in FIG. Tableware A can be taken in and out from the opening 2g.
Further, the upper door body 21 and the lower door body 22 are closed to prevent water leakage in the cleaning process, and in the drying process, the upper door body 21 is tilted to the front side as shown by the one-dot chain line in FIG. Can be discharged from the opening 2g, and the tableware A can be dried more effectively than a conventional dishwasher.

  Moreover, since the upper door body 21 inclines to the front side and the steam is discharged upward from the opening 2g, it is possible to prevent the steam discharged to the front side from giving unpleasant feeling to the user.

  Further, since the tilt angle of the upper door body 21 is regulated by the tilt regulating rod 33 and the guide groove 31f, it is possible to prevent the upper door body 21 from being tilted by a predetermined angle or more and hindering the drying process.

  In the first embodiment, the upper door body is pivotally supported by the second pivot in the lateral direction so that it swings in the direction of tilting and standing up to the front side. You may comprise so that it may move. For example, the upper door body may be pivotally supported on the other end side of the upper door support arm by a vertical pivot so as to swing laterally.

  Moreover, although the upper door body is provided with a pivot that pivotally supports the upper door body, the upper door body may be provided on the upper door support arm.

  Moreover, although the dishwasher provided with the upper door body and the lower door body was demonstrated, you may apply this invention to the dishwasher provided with one door body opened upwards.

  Furthermore, although it comprises so that the tilt angle of an upper door body may be controlled by providing a tilt control rod and a guide groove, the tilt angle control method is not limited to this. For example, when the upper door body tilts by a predetermined angle, the tilt angle of the upper door body may be regulated by providing a contacted portion with which the upper door body abuts on the upper door support arm.

(Embodiment 2)
FIG. 4 is a schematic side sectional view of the dishwasher according to the second embodiment of the present invention. Since the opening and closing of the upper door body 21 and the lower door body 22 is detected and the washing pump 62 is driven only when the opening 2g is closed, it differs from the dishwasher according to the first embodiment. Hereinafter, the above differences will be mainly described.

  An opening detection switch 71 is disposed below the hook locking portion 35 provided on the side wall 2c of the cleaning tank 2. The opening detection switch 71 is constituted by, for example, a limit switch. When the opening 2g is closed and the hook 22b is locked to the hook locking portion 35, the door opening detection switch 71 is turned on, and when the hook 22b is detached from the hook locking portion 35, it is turned off. .

  Further, a tilt detection switch 72 for detecting the tilt of the upper door body 21 is disposed on the upper side of the side wall 2c, and a pressing projection for pressing the tilt detection switch 72 is provided on the cleaning tank 2 side of the upper door body 21. A portion 21e is projected. The tilt detection switch 72 is in the on state when the upper door body 21 is standing up and the pressing convex portion 21e is in contact with the tilt detection switch 72, and is in the off state when the upper door body 21 is tilted.

  FIG. 5 is a block diagram showing the configuration of the control circuit 5 in the second embodiment. The control circuit 5 includes a CPU 5a, and a ROM 5b, a RAM 5c, a timer 5d, an input port 5e, and an output port 5f are connected to the CPU 5a via a bus 5g. An operation panel 68, a door detection switch 71, a tilt detection switch 72, and the like are connected to the input port 5e. A cleaning pump 62, a heater 67, and the like are connected to the output port 5f.

FIG. 6 is a flowchart illustrating a processing procedure of the control circuit 5 related to the cleaning and drying of the tableware A according to the second embodiment.
The control circuit 5 determines whether or not the start button of the operation panel 68 has been pressed (step S1). If it is determined that the start button has not been pressed (step S1: NO), the control circuit 5 returns the process to step S1. When it is determined that the start button is pressed (step S1: YES), the control circuit 5 determines whether or not the door detection switch 71 and the tilt detection switch 72 are in the on state (step S2). When it is determined that one or both of the door opening detection switch 71 and the tilt detection switch 72 are in the off state (step S2: NO), the control circuit 5 returns the process to step S2.

  When it is determined that the door opening detection switch 71 and the tilt detection switch 72 are in the on state (step S2: YES), the control circuit 5 executes a cleaning process (step S3). In the washing process, the heater 67 is energized intermittently and the washing pump 62 is driven to inject the heated washing water onto the tableware A.

  Next, the control circuit 5 executes a rinsing process (step S4). And the control circuit 5 performs a drying process (step S5), and complete | finishes the process which concerns on washing | cleaning and drying of the tableware A. FIG. In the drying process, the intake fan 65 is rotated and the heater 67 is heated.

  In the dishwasher according to the second embodiment, when the opening 2g is open, the washing water is jetted and the washing water can be prevented from splashing out of the washing tank 2.

  Other configurations, operations, and effects of the dishwasher according to the second embodiment are the same as the configurations, operations, and effects of the dishwasher according to the first embodiment. Therefore, detailed description is omitted.

  In the second embodiment, the door opening detection switch and the tilt detection switch including limit switches have been described. However, each detection switch is configured by a more waterproof optical sensor, for example, a reflective photo interrupter. Also good.

(Embodiment 3)
7 to 9 are schematic side sectional views of the dishwasher according to the third embodiment of the present invention.
The dishwasher according to the third embodiment of the present invention detects the opening and closing of the upper door 321 and the lower door 22 by detecting that the upper door 321 is tilted and raised by the motor 8, and the opening 2g. Since the point that the washing pump 62 is driven only when the bottle is closed is different from the dishwasher according to the first embodiment, the difference will be mainly described below.

The dishwasher according to the third embodiment of the present invention includes an upper door support arm 331 that supports the upper door body 321 so as to be rotatable up and down.
The upper door support arm 331 includes a pivotally supported portion 331a that is pivotally supported by the first pivot 2h, a substantially triangular middle portion 331b that extends downward from the pivotally supported portion 331a to the lower front side and vertically downward. It has a support arm tip 331d extending further to the front side than the portion 331b, and a rotating lever 331e.

  The upper door body 321 is supported by the upper door support arm 331 by the second pivot 321a so as to swing in the direction of tilting and standing up to the front side. Further, the upper door body 321 includes the same exhaust port 321d as in the first embodiment, and the upper end of the upper door body 321 is substantially parallel to the placement surface 1a in a state where the opening 2g is closed. Is formed.

  A motor 8 such as a stepping motor for tilting and raising the upper door 321 is screwed to the housing 1 side of the middle portion 331b. The motor 8 includes a lateral output shaft 8a, and a disc-shaped cam 8b is connected to the output shaft 8a so that the center line of the cam 8b and the output shaft 8a coincide. A drive convex portion 8c is provided on the side of the housing 1 at a position separated from the center line of the cam 8b. The drive convex portion 8c has an upper door 321 that closes the opening 2g as shown in FIG. If it is, it is located on the back side from the center line of the cam 8b. One end side of the upper door drive rod 333 is pivotally supported by the drive convex portion 8c, and the other end side is pivotally supported by the third pivot 321b of the upper door body 321. When the motor 8 is driven and the cam 8b is rotated with the upper door body 321 standing, as shown in FIG. 8, the drive projection 8c is rotated from the back side to the front side and the upper door drive rod 333 is rotated. Also moves from the back side to the front side, and the upper door body 321 tilts to the front side. On the contrary, when the motor 8 is driven and the cam 8b is rotated while the upper door body 321 is tilted, the drive projection 8c is rotated from the front side to the rear side as shown in FIG. The drive rod 333 also moves from the front side to the back side, and the upper door body 321 stands up.

Further, a tilt detection switch 372 for detecting the tilt of the upper door body 321 is disposed in the middle portion 331b of the upper door support arm 331 and on the back side of the cam 8b. The tilt detection switch 372 detects the tilt when the driving convex portion 8c is positioned on the back side and the upper door driving rod 333 comes into contact with the tilting detection switch 372, and when the driving convex portion 8c is positioned on the front side. The switch 372 and the upper door drive rod 333 are separated from each other and are turned off.
Furthermore, a door opening detection switch 371 similar to the door opening detection switch 71 according to the second embodiment is disposed on the side wall 2c of the cleaning tank 2.

  The operation panel 368 has a selection button for selecting whether or not the upper door 321 needs to be tilted in the drying process.

FIG. 10 is a block diagram showing the configuration of the control circuit 5 in the third embodiment.
The control circuit 5 includes a CPU 5a, and a ROM 5b, a RAM 5c, a timer 5d, an input port 5e, and an output port 5f are connected to the CPU 5a via a bus 5g. An operation panel 68, a door detection switch 371, a tilt detection switch 372, and the like are connected to the input port 5e. A cleaning pump 62, a heater 67, a motor 8 and the like are connected to the output port 5f.

FIG. 11 is a flowchart illustrating a processing procedure of the control circuit 5 related to the cleaning and drying of the tableware A according to the third embodiment.
The control circuit 5 detects whether or not the upper door body 321 is tilted in the drying process by detecting the operation state of the selection button on the operation panel 68 (step S11).

  Next, the control circuit 5 determines whether or not the start button of the operation panel 68 has been pressed (step S12). When it determines with the start button not being pressed (step S12: NO), the control circuit 5 returns a process to step S12. When it is determined that the start button is pressed (step S12: YES), the control circuit 5 determines whether or not the door opening detection switch 371 and the tilt detection switch 372 are in the on state (step S13). When it is determined that the door opening detection switch 371 or the tilt detection switch 372 is in the OFF state (step S13: NO), the control circuit 5 returns the process to step S13.

  When it is determined that the door opening detection switch 371 and the tilt detection switch 372 are in the on state (step S13: YES), the control circuit 5 executes a cleaning process (step S14) and executes a rinsing process (step S15). .

  Next, the control circuit 5 determines whether or not the upper door body 321 needs to be tilted (step S16). When it is determined that tilting is required (step S16: YES), the control circuit 5 rotates the motor 8 a predetermined number of times so that the upper door body 321 tilts to the front side (step S17), and executes a drying process (step S17). Step S18). Then, the control circuit 5 reversely rotates the motor 8 a predetermined number of times so that the upper door body 321 stands up (step S19), and finishes the processing related to the cleaning and drying of the tableware A.

  When it is determined in step S16 that the upper door body 321 does not need to be tilted (step S16: NO), the control circuit 5 executes the drying process without driving the motor 8 and tilting the upper door body 321. (Step S20), the processing related to the cleaning and drying of the tableware A is completed.

  In the dishwasher according to the third embodiment, the upper door 321 can be tilted and raised by driving the motor 8.

  Further, the upper door 321 can be automatically tilted in the drying process, and the steam can be discharged from the opening 2g.

  Further, by operating the operation panel 68, the user can select whether or not the upper door body 321 needs to be tilted in the drying process.

  Furthermore, when the drying process is finished, the motor 8 rotates and the upper door body 321 stands up, so that it is possible to prevent dust from entering through the opening 2g and adhering to the tableware A after the drying process is finished. .

  Furthermore, when the opening 2g is open, the cleaning water is jetted, and the cleaning water can be prevented from splashing out of the cleaning tank 2.

  Other configurations, operations, and effects of the dishwasher according to the third embodiment are the same as the configurations, operations, and effects of the dishwasher according to the first embodiment. Therefore, detailed description is omitted.

(Embodiment 4)
FIG. 12 is a schematic side sectional view of a dishwasher according to Embodiment 4 of the present invention.
In the dishwasher according to the fourth embodiment, the restriction protrusion 433b for restricting the vertical rotation of the upper door body 21 and the lower door body 22 in a state in which the upper door body 21 is tilted to the front side is tilted. Since the point formed in 433 is different from the dishwasher according to the first embodiment and the second embodiment, the difference will be mainly described below.

  The dishwasher according to the fourth embodiment includes a washing tub 2, an upper door body 21, a lower door body 22, an upper door support arm 31, and a tilt regulating rod 433 similar to the dishwasher according to the first embodiment. Yes.

  One end side of the tilt regulating rod 433 is pivotally supported by the third pivot 21b of the upper door body 21, and a guided convex portion 433a that can slide along the guide groove 31f is formed on the other end side. Yes. Further, in the middle of the tilt regulating rod 433, a flat regulating projection 433b having a substantially rectangular shape in a side view and having a lateral thickness similar to that of the tilt regulating rod 433 extends downward.

  The length of the restricting protrusion 433b in the vertical direction is such that the lower end of the restricting protrusion 433b is lower when the upper door body 21 is tilted to the front side and the guided protrusion 433a comes into contact with the lower end of the guide groove 31f. The length is in contact with the upper part of the hook 22b.

  In the dishwasher configured as described above, when the upper door body 21 is tilted to the front side, the upward rotation of the hook 22b is restricted by the restriction protrusion 433b. When the upward rotation of the hook 22b is restricted, the hook 22b cannot be detached from the hook locking portion 435 even when the door opening button 22a is pressed, and the opening 2g is not opened. .

  When the upper door body 21 rises, the restriction protrusion 433b moves upward, and the upward rotation restriction of the hook 22b is released. When the upward rotation of the hook 22b is released and the door opening button 22a is pressed, the hook 22b rotates upward, so that the upper door body 21 and the lower door body 22 rotate in the vertical direction. The opening 2g is opened.

  In the dishwasher according to the fourth embodiment, the upper door body 21 and the lower door body 22 rotate in the vertical direction with the upper door body 21 tilted to the front side, and the upper door body 21 and Unexpected overload can be prevented from being applied to the upper door support arm 31.

  Other configurations, operations, and effects of the dishwasher according to the fourth embodiment are the same as the configurations, operations, and effects of the dishwasher according to the first and second embodiments. The same reference numerals are assigned and detailed description is omitted.

  In the fourth embodiment, the upper door body and the lower door body are restricted from being turned up and down by restricting the upward rotation of the hook. The method of regulating the lower door body is not limited to this. For example, when the upper door body tilts to the front side, the upper door body and the lower door body may be engaged so that the vertical rotation of the upper door body and the lower door body is restricted.

(Embodiment 5)
FIG. 13 is a schematic side sectional view of a dishwasher according to the fifth embodiment of the present invention.
In the dishwasher according to the fifth embodiment, the upper door body 321 and the lower door body 22 are controlled to drive the upper door 321 and the lower door body 22 in the state where the upper door body 321 is tilted to the front side. Since the point formed in the basket 533 is different from the dishwasher according to Embodiment 3, the difference will be mainly described below.

  The dishwasher according to the fifth embodiment includes the washing tub 2, the upper door body 321, the lower door body 22, the upper door support arm 531, and the upper door driving rod 533 similar to those of the dishwasher according to the third embodiment. ing.

  One end side of the upper door driving rod 533 is pivotally supported by the third pivot 321b of the upper door body 321, and the other end side is pivotally supported by a driving convex portion 8c formed on the cam 8b. Further, in the middle of the upper door driving rod 533, a flat regulating projection 533b having a substantially rectangular shape in a side view and having a lateral thickness similar to that of the upper door driving rod 533 extends downward.

  The length of the restriction projection 533b is such a length that the lower end of the restriction projection 533b comes into contact with the upper portion of the hook 22b when the upper door body 321 tilts to the front side.

  In the dishwasher configured as described above, as in the fourth embodiment, when the upper door body 321 tilts to the front side, the upward rotation of the hook 22b is restricted by the restriction protrusion 533b. When the upward rotation of the hook 22b is restricted, the hook 22b cannot be detached from the hook locking portion 535 even when the opening button 22a is pressed, and the opening 2g is not opened. .

  When the upper door body 321 stands up, the restriction protrusion 533b moves upward, and the upward rotation restriction of the hook 22b is released. When the upward rotation of the hook 22b is released and the door opening button 22a is pressed, the hook 22b rotates upward, so that the upper door body 321 and the lower door body 22 rotate in the vertical direction. The opening 2g is opened.

  In the dishwasher according to the fifth embodiment, the upper door body 321 and the lower door body 22 rotate in the vertical direction with the upper door body 321 tilted to the front side, and the upper door body 321 and Unexpected overload can be prevented from being applied to the upper door support arm 531.

  Other configurations, operations, and effects of the dishwasher according to the fifth embodiment are the same as the configurations, operations, and effects of the dishwasher according to the third embodiment. Therefore, detailed description is omitted.

It is a schematic side sectional view of the dishwasher according to Embodiment 1 of the present invention. It is a schematic side sectional view of the dishwasher according to Embodiment 1 of the present invention. It is a schematic side sectional view of the dishwasher according to Embodiment 1 of the present invention. It is a schematic side sectional view of a dishwasher according to Embodiment 2 of the present invention. FIG. 6 is a block diagram showing a configuration of a control circuit in a second embodiment. 6 is a flowchart illustrating a processing procedure of a control circuit related to cleaning and drying of tableware in a second embodiment. It is a schematic side sectional view of a dishwasher according to Embodiment 3 of the present invention. It is a schematic side sectional view of a dishwasher according to Embodiment 3 of the present invention. It is a schematic side sectional view of a dishwasher according to Embodiment 3 of the present invention. FIG. 10 is a block diagram illustrating a configuration of a control circuit in a third embodiment. 10 is a flowchart illustrating a processing procedure of a control circuit related to cleaning and drying of tableware in a third embodiment. It is a schematic side sectional view of a dishwasher according to Embodiment 4 of the present invention. It is a schematic side sectional view of a dishwasher according to Embodiment 5 of the present invention. It is a schematic front view of a conventional dishwasher. It is an abbreviated side sectional view of a dishwasher which shows opening and closing operation of an upper door body and a lower door body.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Housing | casing 2 Cleaning tank 2g Opening part 21 Upper door body 21a 2nd pivot 21b 3rd pivot 21c Handle 21d Exhaust port 22 Lower door body 22a Opening button 22b Hook 31 Upper door support arm 31f Guide groove 32 Lower door support arm 33 Tilt regulating rod 33a Guided convex portion 35 Hook locking portion 41 First tension coil spring 42 Second tension coil spring 5 Control circuit 61 Injection nozzle 62 Washing pump 63 Tableware basket 64 Intake port 65 Intake fan 66 Blower pipe 67 Heater 68 Operation Panel 71 Opening detection switch 72 Tilt detection switch A Tableware

Claims (10)

A door that closes the opening formed on the front side of the cleaning tank, and a support that is pivotally supported at one end on the side of the cleaning tank and that supports the door so that the door can be pivoted upward and downward. A dishwasher comprising: an arm; and washing dishes by spraying washing water supplied to the washing tank, and drying the dishes with a heater arranged in the washing tank.
The door body is
A dishwasher characterized by being pivotally supported on the other end of the support arm so as to swing to the front side and the back side. The door body is
2. The dishwasher according to claim 1, wherein the dishwasher is pivotally supported on the support arm by a lateral pivot so as to tilt in a front side and swing in a standing direction. The dishwasher according to claim 2, further comprising a regulating unit that regulates a tilt angle of the door body within a predetermined angle. The regulating means is
4. A tilt regulating rod having one end side pivotally supported by the door body and the other end side being movably coupled along a groove formed in the middle of the support arm. Dishwasher. The dishwasher according to any one of claims 2 to 4, further comprising a motor that tilts and stands up the door body. 6. The dishwasher according to claim 5, further comprising a control unit that rotates the motor so that the door body tilts when the tableware is dried. Receiving means for receiving the necessity of tilting the door body;
The control means includes
The dishwasher according to claim 6, wherein the motor is rotated when the accepting means accepts that tilting is required. The control means includes
The dishwasher according to claim 6 or 7, further comprising means for rotating the motor so that the door body stands up when drying of the tableware is finished. The dishwasher according to any one of claims 2 to 8, further comprising means for restricting the vertical rotation of the door body when the door body is tilted. Detecting means for detecting obstruction of the opening;
The dishwasher according to any one of claims 1 to 9, further comprising: means for injecting washing water when the detecting means detects the blockage of the opening.

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