JP4595676B2 - dishwasher - Google Patents

Description

  The present invention relates to a dishwasher for washing dishes and the like.

  Conventionally, a general dishwasher has been configured as shown in FIG. Hereinafter, the configuration will be described. As shown in the figure, the dishwasher main body 61 has a washing tank 62 provided therein, and supplies water or hot water into the washing tank 62 by a water supply valve 63. A drain port 64 is provided at the bottom of the cleaning tank 62, and a cleaning pump 65 that is connected to the drain port 64 and is driven by a motor is attached. The cleaning pump 65 circulates cleaning water inside the cleaning tank 62. is doing. Further, the drain port 64 is provided with a residue filter 66 for collecting the residue.

  That is, the cleaning water passes through the residual filter 66, is sucked into the cleaning pump 65, is supplied from the cleaning pump 65 to the cleaning means (cleaning nozzle) 67 provided in the inner bottom portion of the cleaning tank 62, and is sprayed from the cleaning nozzle 67. Then, after the tableware (object to be cleaned) 69 is washed, it is circulated through a route that returns to the drain port 64 again. At this time, the residue dropped from the tableware 69 flows into the residue filter 66 together with the washing water, and the residue having a size that cannot pass through the filter 66 is collected.

  In addition, a heater 68 for heating the cleaning water is provided between the cleaning nozzle 67 and the bottom of the cleaning tank 62, and tableware 69 can be arranged in an orderly manner above the cleaning nozzle 67, so that the cleaning water can be effectively disposed in the tableware. A tableware basket 70 configured to spray on 69 is installed for efficient cleaning. The drainage pump 71 discharges wash water through the drainage path 72 to the outside of the machine.

However, in such a dishwasher, the wash water is only sprayed from below for the object 69 to be cleaned such as various shapes of dishes used in ordinary homes, etc. It was difficult to clean the tableware 69 sufficiently. In addition, when there is no jet from above the washing tank 62, the tableware with a thread bottom such as a cup or a soup bowl is likely to accumulate fine residue on the thread bottom, and the entire rinse performance is insufficient. Although it is considered to inject cleaning water from multiple directions using a plurality of cleaning nozzles (see, for example, Patent Document 1), the temperature rise time of the cleaning water becomes longer due to an increase in the amount of water supply. As a result, the operation time is extended, and the amount of power consumption and water consumption is increased. In order to solve this problem, it is considered to use a plurality of washing pumps (see, for example, Patent Document 2). However, since a washing pump is required for each washing nozzle, the entire dishwasher is used. Since the volume of the cleaning mechanism occupying in the table increases, the volume required for dish washing cannot be sufficiently ensured. Therefore, it is considered to provide a switching means for selectively switching the cleaning nozzle that supplies the cleaning water, and to use three-way valves or the like to perform efficient cleaning from multiple directions with a small amount of water (for example, patents). Reference 3).
JP-A-5-305050 JP-A-5-176875 JP 2003-339608 A

  However, according to the switching means using such a rotatable valve body, the washing water leaks to a plurality of other diversion channels other than the diversion channel for supplying the washing water, and the plurality of washing nozzles There was a problem that the supply of cleaning water could not be switched accurately.

  An object of the present invention is to solve the above-described conventional problems, and to improve the cleaning efficiency by accurately switching the supply of cleaning water to the cleaning nozzle.

  In order to solve the above-described conventional problems, the dishwasher of the present invention includes an inflow portion into which washing water pressurized by a washing pump flows, and a casing having a plurality of outflow portions respectively communicating with a plurality of washing nozzles, An opening is provided so as to face at least one of the outflow parts, and the valve body is provided so as to be rotatable in the casing so that the outflow part facing the opening is switched. Is provided with an elastic body in the closing portion of the outflow portion, and is provided so as to be movable forward and backward with respect to the outflow portion, and has an engaging portion that rotates the valve body in accordance with the advancement and retraction operation of the valve body, The engaging portion is rotated in response to the proximity displacement of the valve body toward the outflow portion side, and the valve body is directly moved toward the outflow portion side toward the rear end side of the engaging portion with respect to the rotation direction. A vertical part to be moved is provided.

  Thereby, an elastic surface can be perpendicularly contacted with the closed portion of the outflow portion, and water leakage from the closed outflow portion can be prevented without the elastic body being displaced in the rotational direction.

  The dishwasher of the present invention can improve the washing efficiency by accurately switching the supply of washing water to the washing nozzle.

According to a first aspect of the present invention, there is provided a cleaning tank for storing an object to be cleaned, a cleaning pump for pressurizing cleaning water, a cleaning nozzle having a plurality of injection ports for spraying the cleaning water in the cleaning tank, and the cleaning pump. A diversion unit that switches a washing nozzle to which the washing water is supplied, and the diversion unit includes an inflow portion into which the washing water pressurized by the washing pump flows, and a plurality of communicating with the plurality of washing nozzles, respectively. And a valve provided rotatably in the casing so that the outflow portion opposed to the opening is switched, and the casing is provided with an opening so as to face at least one of the outflow portions. The valve body is provided with an elastic body in the closed portion of the outflow portion, and is provided so as to be movable forward and backward with respect to the outflow portion, and the valve body is rotated as the valve body advances and retracts. an upper engaging portion that makes And, wherein the upper engagement portion, the valve body is pivoted in response to proximity displacement in the outlet portion, the said valve body outlet at the rear end of the upper engaging portion with respect to the rotational direction By providing a vertical part that moves directly to the part side, the elastic surface can be brought into contact with the closed part of the outflow part vertically, and the elastic body is not displaced from the closed outflow part without shifting in the rotational direction. Water leakage can be prevented.

In the second aspect of the invention, the upper engaging portion of the first aspect of the present invention is configured such that the front end side is inclined at least to the surface of the elastic body with respect to the rotation direction, so that the elastic body and the closed portion of the outflow portion are in contact Even when a foreign object is sandwiched between the vertical portion on the rear end side of the upper engagement portion and the outflow portion when in contact, the front end side is an inclined surface, so the valve body can operate on the front end side of the upper engagement portion The advancing / retreating operation does not stop and the outflow part can be switched.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiment.

(Embodiment 1)
1 is a cross-sectional view of a dishwasher according to a first embodiment of the present invention, FIG. 2 is a top view of a main part of the dishwasher, FIG. 3 is a cross-sectional view of a water diverting unit of the dishwasher, and FIG. FIG. 5 is a top view of the valve body of the water distribution means of the dishwasher, and FIG. 5 is a top view of the water distribution means of the dishwasher.

  As shown in FIGS. 1 to 5, the main body 1 of the dishwasher is provided with a washing tub 3 that can be opened and closed by a lid 4, and objects to be washed such as tableware are set in a tableware basket 9. Contained. The cleaning pump 6 pressurizes the cleaning water supplied from the water supply valve 15, supplies it to a cleaning nozzle (cleaning means) 8 provided with a plurality of injection holes 7, and injects the cleaning water toward the object to be cleaned. A heater (heating means) 10 for heating the cleaning water is provided at the bottom of the cleaning tank 3. A blower fan (not shown) sends air to the cleaning tank 3 and exhausts the exhaust from the exhaust port 39 to the outside of the machine.

  In addition, a water distribution means 17 is provided for supplying cleaning water to the discharge path 14 of the cleaning pump 6 and sequentially switching the supply of the cleaning water to the cleaning nozzle 8. The water distribution means 17 is added by the cleaning pump 6. A casing 21 having a flow-in portion 18 into which compressed wash water flows in and a plurality of flow-out portions 20 respectively communicating with the plurality of washing nozzles 8 are provided, and an opening 19 is provided so as to face at least one of the flow-out portions 20. The valve body 23 is configured to be rotatable in the casing 21 so that the outflow portion 20 facing the opening 19 is switched. The valve body 23 is provided with an elastic body 25 in the closing portion 24 of the outflow portion 20. ing.

  The elastic body 25 is made of rubber or elastomer. The casing 21 has a substantially cylindrical shape, and its axial direction is arranged in a substantially vertical direction. The inflow part 18 into which the cleaning water from the cleaning pump 6 flows is at the lower part of the side surface of the casing 21, and the outflow part 20 is the casing 21. It is formed on the upper surface. Further, the valve body 23 has a substantially planar shape, and the opposing surfaces of the outflow portion 20 and the valve body 23 also have a planar shape.

  The plurality of outflow portions 20a to 20d are connected to the cleaning nozzle 8 via the discharge path 14, respectively. An upper engagement portion 27 that rotates the valve body 23 by a predetermined angle when the valve body 23 is raised and a set of lower engagement portions 28 that rotate the valve body 23 by a predetermined angle when the valve body 23 is lowered are provided. ing.

  In the above configuration, first, the basic operation of the dishwasher will be described. An object to be cleaned 29 such as tableware is set in the tableware basket 9 and stored in the cleaning tub 3, and after the detergent is put in, the lid 2 closes the opening 2 of the main body 1 and starts operation. The cleaning process is performed in order of removing dirt from the object to be cleaned 29, the rinsing process in which the attached detergent and leftovers are poured, and the drying process in which water adhering to the object to be cleaned 29 is dried.

  First, in the cleaning step, the control unit 16 operates the water supply valve 15 to supply a predetermined amount of cleaning water to the cleaning tank 3. At this time, the heater (heating means) 10 provided in the cleaning tank 3 is energized and the cleaning water is heated. Next, the cleaning water is pressurized by the cleaning pump 6 and supplied to the water distribution means 17. Due to the pressure of the washing water flowing in from the inflow portion 18 of the water dividing means 17, the valve body 23 rises in an operation accompanied by rotation and substantially linear movement according to the inclination of the upper engagement portion 27, and the predetermined outflow portion 20 opens. Thus, the opening 19 of the valve body 23 is fixed at a position where the predetermined outflow portion 20 coincides (FIG. 5). The other outflow portion 20 is tightly closed by the elastic body 25, and cleaning water is jetted from the cleaning nozzle 8 communicating with the outflow portion 20 through the opening 19 of the valve body 23.

  Subsequently, once the cleaning pump 6 is stopped, the water pressure that has pushed up the valve body 23 from below does not act, so the valve body 23 descends by its own weight, but at this time, according to the inclination of the lower engagement portion 28 It descends while rotating and stops at a predetermined position. When the washing pump 6 is operated again, it is engaged with the inclination of the upper engaging portion 27, the valve body 23 rises while rotating, and communicates with the opening 19 of the valve body 23 and the next outflow portion 20. Then, the cleaning water is jetted from the next cleaning nozzle 8. Thus, by operating the cleaning pump 6 intermittently, the cleaning nozzle 8 from which the cleaning water is jetted can be switched in the order of communication with the respective outflow portions 20a, 20b, 20c, and 20d.

  The cleaning water passes through the residual filter 30 and the drain port 31, is sprayed from the cleaning nozzle (cleaning means) 8 through the cleaning pump 6, and circulates in the cleaning tank 3. At this time, the residue dropped from the tableware 29 flows into the residue filter 30 together with the washing water, and the residue having a size that cannot pass through the filter is collected by the residue filter 30.

  When the cleaning process for a predetermined time is finished, the cleaning water containing dirt is discharged out of the main body 1 by the drainage pump 32 and the cleaning water is newly supplied from the water supply valve 15. The washing pump 6 is operated, and the washing water 29 is sprayed again from the washing nozzle 8 through the water diverting means 17 to rinse the object 29 to be washed, such as detergent and leftovers. After the operation for a predetermined time, the operation of discharging the cleaning water and supplying the cleaning water again is repeated, and this rinsing process is continuously performed about three times. Finally, the washing water is discharged outside the apparatus, and the rinsing process is completed.

  Subsequently, a drying process is performed, and a blower fan (not shown) is operated, whereby the outside air is blown into the cleaning tank 3 through the blower path and is discharged from the exhaust port 39. At this time, the heater (heating means) 10 is energized, and evaporation of water droplets adhering to the object to be cleaned 29 is promoted by the effects of both air blowing and temperature. These drying steps are performed for a predetermined time, and the operation is terminated.

  Since the elastic body 25 provided in the valve body 23 seals and closes the outflow portion 20, the water diversion means 17 sequentially has a predetermined outflow portion 20 in which all of the cleaning water discharged from the cleaning pump 6 is opened. The cleaning water can be sprayed from a plurality of directions to any object to be cleaned 29 without increasing the water supply amount. Contaminants attached to the object to be cleaned 29 can be cleaned in a short time, and highly efficient cleaning can be realized.

  In addition, since the detergent and the residue attached to the tableware can be rinsed in a short time, the number of times of rinsing can be reduced. Since the number of times of rinsing can be reduced without increasing the amount of water supplied at one time, exhaust heat can be suppressed, and the heating time of the cleaning water using the heater (heating means) 10 can also be shortened. Therefore, energy saving and water saving amount can also be realized.

  In addition, since the number of cleaning nozzles 8 can be increased without increasing the amount of water supply, a cleaning method can be adopted in which cleaning water is sprayed from multiple directions to the object 29 to be cleaned such as tableware. Therefore, the user can freely set the object 29 to be set in the dish basket 9 without selecting the setting method such as the vertical placement and the down-laying, so that the dishwasher is more excellent in setability. it can.

  Further, the valve body 23 is provided so as to be able to advance and retract with respect to the outflow portion 20, and has an upper engagement portion 27 that rotates the valve body 23 in accordance with the advance and retreat operation of the valve body 23. By projecting toward the outflow portion 20 through the elastic body 25, when the valve body 23 is rotated by the upper engagement portion 27, the elastic body 25 and the outflow portion 20 do not come into contact with each other, and the outflow portion 20. The elastic body 25 and the outflow portion 20 come into contact with each other.

  Therefore, the elastic body 25 hardly moves while being pressed against the outflow portion 20. By contacting the elastic body 25, the rotating operation of the valve body 23 does not become unstable, and the outflow portion 20 can be switched reliably. In addition, since the surfaces where they are in contact with each other are hardly worn, the change with time due to use is small, and the switching performance, the strength of the parts, and the like are not impaired from the initial state with wear.

  Further, as shown in FIGS. 6 and 7, the elastic body 25 and the valve body 23 are fixed by providing the fixing portion 35 at a position facing the outflow portion 20. Is configured to hold. The resin-made fixing portion 35 has a substantially rod-like fixing portion 35 protruding from the valve body 23 in advance, and after attaching the elastic body 25, the tip of the fixing portion 35 is melted and welded to the elastic body 25. Also good. Of course, a screw or a caulking member may be used. Moreover, you may fix the elastic body 25 by fixing nonrusting metals and resin, such as stainless steel with a large surface area, by welding.

  Further, by providing a counterbore on the elastic body 25 so that the presser allowance (the built-up portion, the screw head, etc.) of the fixing portion 35 does not protrude from the surface of the elastic body 25 that contacts the outflow portion 20, the valve body 23 is Even if it is tilted due to a balance of water pressure or the like during the rotation operation, it can operate reliably without coming into contact with the fixed portion 35.

  Accordingly, since the fixing portion 35 does not come into contact with the close contact portion between the outflow portion 20 and the valve body 23 in accordance with the operation of the valve body 23, there is no water leakage, and the elastic body 25 and the valve body 23 are Since it can fix reliably, without peeling or shifting | deviating, cleaning performance can be maintained.

  Further, in this configuration, the ascending operation of the valve body 23 is performed by the pressure of the pressurized washing water, and the descending operation is performed by its own weight, and the axial direction of the valve body 23 is substantially vertical. It is necessary to take. In this case, the specific gravity of the valve body 23 needs to be 1 or more, and within the range of weight that the valve body 23 can be raised during pressurization, the heavier as much as possible, the quicker the descent and rotation operation can be surely performed. The switching performance is improved.

  As shown in FIG. 8, the valve body 23 has a weight 36 on the opposite surface provided with the elastic body 25, and the weight 36 is notched 37 on the opposite side of the opening 19 provided in the valve body 23. May be provided. Thereby, when the valve body 23 switches the outflow part 20, at the time of forward / backward movement, the inclination is reduced, the operation becomes smooth, and the valve body 23 can be quickly moved to a predetermined position. Therefore, the switching time of the outflow part 20 can be shortened, and the cleaning and rinsing time can be shortened.

  In addition, since the inside of the casing 21 is normally pressurized to about 20 to 40 kPa when the cleaning pump 6 is operated, a force of about 2 to 10 kg is applied depending on the size of the valve body 23. The elastic body 25 is firmly pressed against the outflow portion 20.

  In the present embodiment, the valve body 23 is configured to rotate 90 degrees by one stop and operation in order to sequentially switch to the four outflow portions 20.

  Further, the engaging portions 27 and 28 are not limited to a main shape such as a spiral shape or a triangular shape, and by operating the cleaning pump 6 intermittently, a predetermined outflow portion 20 is operated during the operation of the cleaning pump 6. And the opening 19 of the valve body 23 only need to match. Further, the position of the engaging portion such as the outer peripheral portion of the valve body 23 is not limited.

(Embodiment 2)
FIG. 9 is a cross-sectional view of a main part of the water distribution means 17 in the second embodiment of the present invention. As shown in FIG. 9, the valve body 23 is provided so that the elastic body 25 is provided in the closed portion of the outflow portion 20, and the outer peripheral edge portion of the elastic body 25 is located inside the outer peripheral portion of the valve body 23. .

  Next, operation | movement and an effect | action of the dishwasher of this invention are demonstrated. The cleaning water discharged from the cleaning pump 6 flows into the casing 21 from the inflow portion 18 of the water dividing means 17. The valve body 23 that has received the water pressure of the washing water rises and is rotated by the upper engaging portion 27, so that the elastic body 25 contacts the closed portion of the outflow portion 20. While the valve body 23 is raised, a small amount of washing water is discharged from each outflow portion 20. At that time, the washing water passes through the casing 21 to the outflow portion 20 faster than the rising speed of the valve body 23 while contacting the opening 19 of the valve body 23 and the outer peripheral edge thereof. Since the elastic body 25 has a size provided in the closed portion of the outflow portion 20 and is located on the inner side of the outer periphery of the valve body 23, the flow of the cleaning water when the valve body 23 is raised and the foreign matter contained in the cleaning water There is little influence by the flow of.

  Further, when the cleaning pump 6 is in operation, foreign matter is clogged and the valve body 23 does not come into contact with the outflow portion 20, the cleaning water passes through the outer peripheral portion of the valve body 23. Similarly, the influence of the water flow is small. Again, even if the valve body 23 returns to a predetermined position, the initial state is maintained. Further, when the elastic body 25 closes the outflow portion 20 and the washing water passes through the opening 19, the influence of the water flow or the like is small.

  As a result, the end surface of the elastic body 25 is not lifted or peeled off by the washing water flowing along the outer peripheral edge of the valve body 23, and the end surface of the elastic body 25 is less likely to peel off. Therefore, a foreign substance enters between the elastic body 25 and the valve body 23, and the contact surface is uneven, or the elastic body 25 is peeled off, and the sealing between the outflow portion 20 and the valve body 23 is impaired. Without this, water leakage to the closed outflow portion 20 can be prevented.

  Further, as shown in FIGS. 10 and 11, the valve body 23 may be provided with a guide portion 38 that protrudes toward the outflow portion 20 on the outer side of the outer peripheral edge portion of the elastic body 25. Thereby, since the end surface of the elastic body 25 is protected from the washing water flowing through the outer peripheral edge portion of the valve body 23, the end surface of the elastic body 25 is lifted or peeled off without receiving a large force due to the water flow. Things will be less. Therefore, foreign matter enters between the elastic body 25 and the valve body 23, and water leakage to the closed outflow portion 20 can be prevented without impairing the sealing performance.

  Further, as shown in FIG. 12, the guide portion 38 is provided so that the elastic body 25 protrudes from the surface in contact with the outflow portion 20 and is fitted to the outside of the outflow portion 20. The end face of 25 is protected from the washing water, and even if the valve body 23 is tilted during rotation, the guide part 38 comes into contact with the outflow part 20 first and the elastic body 25 comes into contact with the outflow part 20 It will be after the movement is over. After the rotation operation is completed, the guide portion 38 is fitted to the outside of the outflow portion 20 and at the same time, the elastic body 25 comes into contact with the outflow portion 20 and moves while the elastic body 25 is pressed against the outflow portion 20. There is no. Therefore, the elastic body 25 does not hinder the rotation of the valve body 23, and the contact surfaces of the both are hardly worn. Therefore, the change with time with use is small, and the switching performance, the strength of parts, etc. There is no loss from the initial state.

  FIG. 13 shows the relationship between the engagement portions 27 and 28 provided annularly at the center of the valve body 23 in a plane. As shown in FIG. 13, the upper engaging portion 27 rotates in response to the proximity displacement of the valve body 23 toward the outflow portion 20 side. Even if the vertical portion 41 for moving the valve body 23 directly to the outflow portion 20 side is provided on the rear end side of the upper engaging portion 27 with respect to the rotation direction, and the height of the vertical portion 41 is set higher than the guide portion 38. Good.

  Thereby, when the valve body 23 is rotated, only the guide portion 38 does not come into contact with the outflow portion 20, so that the rotation operation is not hindered. Therefore, the outflow surface 20 can be closed without water leakage, and the cleaning performance can be improved.

  Further, as shown in FIG. 10, the casing 21 is provided with a shaft portion 42 that guides the forward / backward movement of the valve body 23, and the valve body 23 is provided with a hole portion 43 that penetrates the shaft portion 42. You may provide the wall part 44 located inside the inner peripheral part of the body 25. FIG.

  Thereby, even if the valve body 23 is inclined, the inner peripheral edge portion of the elastic body 25 is protected by the wall portion 44. Therefore, the switching operation of the outflow portion 20 can be performed without hindering the rotation and advance / retreat operation of the valve body 23. It can be carried out. In addition, since the end surface of the elastic body 25 is not greatly subjected to the washing water flowing through the inner peripheral edge of the valve body 23, the end surface of the elastic body 25 is lifted or peeled off. . Therefore, foreign matter enters between the elastic body 25 and the valve body 23, the contact surface is uneven, and water leakage to the closed outflow portion 20 can be prevented without impairing the sealing performance. it can.

  Further, the shaft portion 42 penetrating the valve body 23 increases the stability of the linear motion of the valve body 23 and acts to prevent the valve body 23 from falling off, but is not essential. If these actions can be obtained by 28 or the like, there is no particular need, and the present invention is not limited to this configuration.

  In addition, the valve body 23 is provided with an elastic body 25 at the closed portion of the outflow portion 20, and is provided so as to be able to advance and retract with respect to the outflow portion 20. The valve body 23 rotates the valve body 23 as the valve body 23 advances and retracts. The upper engaging portion 27 rotates in response to the proximity displacement of the valve body 23 toward the outflow portion 20, and the rear end of the upper engaging portion 27 with respect to the rotating direction. You may provide the vertical part 41 which moves the valve body 23 to the outflow part 20 side in the side.

  As shown in FIG. 13, by repeating the operation / stop of the cleaning pump 6, the position of the valve body 23 is sequentially switched while performing an operation combining a substantially linear motion in the vertical direction and a rotational motion. The upper engaging portion 27 operates the cleaning pump 6 and acts so that the valve body 23 moves substantially straight immediately before the valve body 23 contacts the outflow portion 20.

  For this reason, since the valve body 23 moved by the pressurized washing water contacts the outflow portion 20 without rotating, the valve body 23 does not move while being pressed against the outflow portion 20. Since the contact surface hardly wears, the change with time in use is small, and the switching performance and the strength of the parts are not impaired from the initial state with wear. Thereby, an elastic surface can be contact | abutted perpendicularly with respect to the obstruction | occlusion part of the outflow part 20, and the water leakage from the obstruction | occlusion outflow part 20 is prevented, without the elastic body 25 shifting | deviating to a rotation direction.

  Further, as shown in FIG. 14, the upper engaging portion 27 may be provided with an inclination on the front end side to at least the surface of the elastic body 25 with respect to the rotation direction. As a result, when the elastic body 25 and the closed portion of the outflow portion 20 are in contact, even if a foreign object is caught between the vertical portion 41 on the rear end side of the upper engaging portion 27 and the outflow portion 20, the front end side is Since the valve element 23 is operable on the inclined surface on the front end side of the upper engaging portion 27, the forward / backward operation is not stopped and the outflow portion 20 can be switched. That is, the cleaning efficiency is not lowered by the switching failure of the water distribution means 17.

  In addition, although the elastic body 25 was made into the planar shape, it is not limited to this, Even if it is a cone shape or a spherical body, it can be pressed against the outflow part 20 with water pressure.

  Further, only one cleaning nozzle 8 is sprayed out of the plurality of cleaning nozzles 8, but by providing two or more openings 19 of the valve body 23, the plurality of cleaning nozzles 8 can simultaneously open. It is possible to inject and switch the position.

  The present invention relates to a washing water switching method, and does not limit the shape and size of the main body 1 of the dishwasher, the door 4 opening and closing method, the arrangement of dishes, the arrangement of individual components, and the like. Moreover, although the example of the dishwasher which has a drying function was shown in embodiment, the same effect is acquired also in the dishwasher which does not accompany a drying function.

  As described above, the dishwasher according to the present invention is useful as a washing machine because it can accurately switch the supply of washing water to the washing nozzle.

Sectional drawing of the dishwasher in Embodiment 1 of this invention Top view of the main parts of the dishwasher Sectional view of water diversion means of the dishwasher Top view of the valve body of the water diversion means of the dishwasher Top view of water washing means of the dishwasher Sectional drawing of the other example of the water diversion means of the dishwasher Top view of another example of water distribution means of the dishwasher Bottom view of another example of valve body of water diversion means of the dishwasher Sectional drawing of the water distribution means of the dishwasher in Embodiment 2 of this invention Sectional drawing of the other example of the water diversion means of the dishwasher Top view of another example of water distribution means of the dishwasher Sectional drawing of the other example of the water diversion means of the dishwasher Detailed view of the engagement part of the water diversion means of the dishwasher Development details of another example of the engaging part of the water diversion means of the dishwasher Cross-sectional view of a conventional dishwasher

Explanation of symbols

DESCRIPTION OF SYMBOLS 3 Washing tank 6 Washing pump 8 Washing nozzle 17 Dividing means 18 Inflow part 19 Opening part 20 Outflow part 21 Casing 23 Valve body 25 Elastic body 27 Upper engaging part (engaging part)
28 Lower engagement part (engagement part)

Claims (2)

A cleaning tank that contains an object to be cleaned, a cleaning pump that pressurizes cleaning water, a cleaning nozzle that has a plurality of jets for spraying the cleaning water in the cleaning tank, and cleaning water from the cleaning pump are supplied A casing having a flow-in portion through which washing water pressurized by the washing pump flows, and a plurality of outflow portions communicating with the plurality of washing nozzles, respectively. And an opening provided so as to face at least one of the outflow parts, and a valve body rotatably provided in the casing so that the outflow part facing the opening is switched, The valve body is provided with an elastic body in the closing portion of the outflow portion, and is provided so as to be movable forward and backward with respect to the outflow portion, and an upper engagement portion that rotates the valve body in accordance with the forward and backward movement of the valve body. It has the upper Engaging portion, the valve body is pivoted in response to proximity displacement in the outlet portion, the linear motion of the valve body on the rear end side of the upper engaging portion with respect to the rotational direction to the outlet side A dishwasher with a vertical section. The dishwasher according to claim 1, wherein the upper engaging portion is inclined at least on the front end side to the surface of the elastic body with respect to the rotation direction.