JPH114793A - Dish washer and drier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently dry dishes. SOLUTION: This dish washer and drier is provided with a blowing port 55 blowing from under a nozzle 45 at the time of a drying process to equally feed air to the dishes and into a washing tank 41 and closes the port 55 at the time of a washing process to prevent the deterioration of the jetting power of washing water from the nozzle 45.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher for efficiently drying dishes.

[0002]

2. Description of the Related Art A conventional dishwasher will be described below.

As shown in FIG. 13, a conventional dishwasher dries a tableware basket 8 containing tableware 7 and the like in a predetermined place, and then starts operation by adding a detergent.

[0004] When the operation is started, the water supply valve 2 is first operated to supply the washing water 3 to the washing tank 1. Then, the cleaning pump 4 pressurizes the cleaning water 3 and injects the cleaning water 3 from the injection holes 6 provided in the nozzle 5 together with the detergent. Thus, the cleaning step is performed. In this cleaning step, the heating element 9 provided in the cleaning tank 1 is energized to heat the cleaning water 3 to a predetermined cleaning temperature.

After a cleaning step for a predetermined time, the tableware 7
The washing water 3 containing the dirt washed off from the apparatus is discharged out of the machine by the drainage pump 10. Subsequently, the washing water 3 is newly supplied, and the washing water 3 is jetted again from the jetting holes 6 provided in the nozzle 5. ), A step of rinsing the dishes 7 and the like contaminated with the above is executed. When the rinsing step is completed, the washing water 3 is discharged again to the outside of the machine. This rinsing step is repeated 3 times.
Repeated times. At this time, the residual vegetables are collected in the filter 11 provided in the washing tank 1.

After the rinsing step is completed, as shown in FIG. 14, the heating element 9 is energized to start a drying step of drying the tableware 7 and the like. In this drying step, air outside the machine is sent to the heating element 9 by the blower 12 and heated. Then, the heated air is supplied to the washing tank 1 to dry the tableware 7 and the like, and is discharged from the exhaust port 13 to the outside of the machine. When the drying process for a predetermined time is completed, the operation of the dishwasher is completed.

[0007]

However, the dishwasher having the conventional structure has the following problems.

That is, as shown in FIG. 14, in the drying step, the air outside the machine supplied into the washing tank 1 by the blower 12 does not reach the tableware 7 and the washing tank 1 uniformly, and the air from the exhaust port 13 It is discharged outside. For this reason, the tableware 7 cannot be dried uniformly, so that a satisfactory drying performance of the tableware 7 cannot be obtained even after a predetermined drying time.

SUMMARY OF THE INVENTION In view of the above problems, the present invention supplies air uniformly to dishes and cleaning tanks, and switches between supplying cleaning water and air with a simple, low-cost, and highly reliable configuration. The purpose is to:

[0010] Further, to guide air to the heating element, to blow air to every corner in the washing tank to improve the drying performance of tableware, to improve the degree of freedom of tableware arrangement, and It is also an object to supply more hot air into the dishes and washing tanks.

[0011]

In the dishwasher / dryer of the present invention, a blowing port for blowing air from below the nozzle during the drying step is provided so that the air is uniformly supplied into the tableware and the washing tank, and the air is blown during the washing step. The air outlet is closed so that the jetting power of the washing water from the nozzle is not reduced.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a cleaning tank, a heating element disposed below the cleaning tank, a tableware for storing tableware and the like, and a cleaning water in the cleaning tank. Cleaning water pressurizing means for circulating the air, blowing means for blowing air into the cleaning tank, a nozzle having an injection hole for jetting the cleaning water pressurized by the cleaning water pressurizing means, the cleaning tank and A circulation path connecting the cleaning water pressurizing means and the nozzle; and a ventilation path connecting the cleaning tank and the blowing means, connecting the ventilation path to a part of the circulation path, and In the cleaning and rinsing steps, the cleaning water is supplied to the circulation path by providing a ventilation port in the circulation path portion, and by providing a switching valve that closes the ventilation port by moving due to the pressure when the cleaning water is pressurized. When supplied, the cleaning water pressure is applied to the switching valve. To. Then, since the flushing water pressure is larger than the own weight of the switching valve, the switching valve rises using the flushing water pressure as a drive source, and closes the blow port. Therefore, the washing water is supplied to the nozzle, and is sprayed to tableware and the like through the spray hole.

In the drying step, when air is supplied to the air supply path and the circulation path, the air pressure of the air acts on the switching valve. However, the switching valve rises because its own weight is greater than the air pressure of the air. No, the vent remains open. Therefore, the air is supplied not only to the tableware and the like through the nozzle and the injection hole, but also to the washing tank and the tableware and the like from the blowing port. Therefore, the air is uniformly supplied to the washing tank and the dishes from the substantially center of the bottom of the washing tank, so that the drying performance of the dishes can be improved and the drying time can be shortened.

According to a second aspect of the present invention, in addition to the first aspect of the present invention, the switching valve is integrally formed with the nozzle, and the blowing port is opened and closed in conjunction with the movement of the nozzle. In the washing and rinsing steps, when the washing water is supplied to the circulation path, the washing water pressure acts on the nozzle.
Then, since the cleaning water pressure is larger than the weight of the entire nozzle, the nozzle moves upward, and at the same time, closes the blow port. Therefore, the washing water is supplied to the nozzle, and is sprayed to tableware and the like through the spray hole.

In the drying step, when air is supplied to the circulation path, the air pressure of the air acts on the nozzles. However, since the weight of the entire nozzle is greater than the air pressure of the air, the nozzle does not move upward and the air blows. Open your mouth. Therefore, air is not only supplied to tableware via nozzles and injection holes, but also
It is also supplied to the washing tank and tableware from the air outlet. Therefore,
The air is uniformly supplied to the washing tank and the dishes from substantially the center of the bottom of the washing tank.

As described above, there is an effect that the supply of the washing water and the air can be switched with a simple and low-cost and highly reliable configuration.

According to a third aspect of the present invention, in addition to the first or second aspect of the present invention, a guide blade for guiding the air discharged from the air blowing port is provided, so that the air is circulated by the blowing means in the drying step. The air blown through the path and the air outlet is straightened by the guide vanes without being immediately levitated by the flow straightening plate, guided by the heating element, or blown to every corner in the cleaning tank. Therefore, the air discharged from the air outlet is reliably turned into high-temperature hot air and is blown into the cleaning tank, and the drying performance of tableware and the like arranged at a corner in the cleaning tank can be improved.

Therefore, high-temperature air can always be blown into the cleaning tank, and high-temperature air can be blown even if hard-to-dry tableware and the like are arranged at the corners in the cleaning tank.
The degree of freedom in the arrangement of tableware in the washing tank can be improved. In addition, since the shape of the guide vanes may be formed relative to the shape of the heating element, the degree of freedom of the shape of the heating element can be improved, the watt density of the heating element can be reduced, and the shape of the cleaning tank can be reduced. Has the effect of improving the degree of freedom.

According to a fourth aspect of the present invention, in addition to the third aspect of the present invention, the air discharged from the blower port floats immediately above by forming the rectifying plate so as to cover the upper side of the heating element. Since the heat passes through the heating element without heat and is diffused into the cleaning tank after being heated, drying with high heat efficiency can be performed.

According to a fifth aspect of the present invention, in addition to any one of the first to fourth aspects, an on-off valve for opening and closing a supply port for supplying washing water from a circulation path to the nozzle is provided, and the on-off valve is When the cleaning water is pressurized, the supply port is opened by the pressing force. Here, since the flushing water pressure is larger than the own weight of the switching valve and the opening / closing valve, the switching valve and the opening / closing valve rise, the switching valve closes the blowing port, and the switching valve opens the supply port. Therefore, the washing water is supplied to the nozzle, and is sprayed to tableware and the like through the spray hole.

In the drying step, the air pressure of the air acts on the switching valve and the on-off valve. However, the switching valve and the on-off valve do not rise because the weight of the switching valve and the on-off valve is greater than the air pressure of the air. Therefore, the switching valve opens the air outlet and the open / close valve closes the supply port, so that the air is supplied only from the air outlet without being supplied to the nozzle and the injection hole. Therefore, all the air blown from the blower through the circulation path is blown directly from the blower port to the heating element to be supplied as hot air to the washing tank and tableware.

As described above, more high-temperature air can be supplied into the dishes and the washing tank, which has the effect of improving the drying performance of the dishes and shortening the drying time.

According to a sixth aspect of the present invention, in addition to any one of the first to fifth aspects, a heating element is disposed near a discharge position of the air discharged from the blower port. In addition, since the air from the blowing port surely diffuses into the cleaning tank through the heating element, it is possible to realize drying with high thermal efficiency.

According to a seventh aspect of the present invention, in addition to any one of the first to sixth aspects, a water blowing means for discharging cleaning water and air is provided as a cleaning water pressurizing means and a blowing means, and a circulation path is provided. The present invention provides a dishwasher / dryer which has a simple configuration and a high drying efficiency by using the same path as the air supply path.

[0025]

【Example】

Embodiment 1 Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.

In FIG. 1, 41 is a washing tank, 42 is a water supply valve for supplying washing water 43 into the washing tank 41, 44 is washing water pressurizing means, and 45 is an injection hole 46 for injecting the washing water 43 by a nozzle. Have. 47 is a tableware basket for storing tableware 48 and the like in the washing tank 41, 49 is a filter for collecting residual vegetables and the like,
50 is a heating element. Reference numeral 51 denotes a drainage pump that discharges the cleaning water 43 to the outside of the machine, and 52 denotes a blowing unit that blows air into the cleaning tank 41. 53 is a washing tank 41 and washing water pressurizing means 44
Is a circulation path connecting the cleaning tank 41 and the air blowing means 52, and a circulation path 53 connecting the cleaning tank 41 and the air blowing means 52.
Is connected to a blowing path 54. Reference numeral 55 denotes a blowing port for supplying air into the cleaning tank 41, which is provided in the circulation path 53 in the cleaning tank 41. Reference numeral 56 denotes a switching valve. When the cleaning water 43 is pressurized by the cleaning water pressurizing means 44 and supplied to the circulation path 53, the cleaning water pressure of the cleaning water 43 acts on the switching valve 56. Then, as shown in FIG. 2, since the washing water pressure is larger than the own weight of the switching valve 56, the switching valve 56 rises and closes the blow port 55. When the air is supplied to the air passage 54 and the circulation passage 53, the air pressure of the air
However, as shown in FIG. 3, the switching valve 56 does not rise because the weight of the switching valve 56 is larger than the wind pressure of the air. 57 is an exhaust port.

The operation of the above configuration will be described below. A predetermined amount of detergent is put into the cleaning tank 41, the tableware 48 and the like are stored in the tableware basket 47, and the operation is started. Here, first, the water supply valve 42 is energized to supply the cleaning water 43. When the cleaning water 43 reaches a predetermined amount, the cleaning water pressurizing means 44 operates to pressurize the cleaning water 43 containing the detergent. The pressurized washing water 43 is supplied to a nozzle 45 through a circulation path 53.
And injected from an injection hole 46 provided in the nozzle 45. The washing water 43 is supplied to the washing tank 41 and the tableware 4.
8 and so on. Thus, a washing step of washing the tableware 48 and the like is performed.

In the cleaning step, the cleaning water 43 is heated to a predetermined cleaning temperature by supplying electricity to the heating element 50.
After the cleaning process for a predetermined time, the cleaning water 43 containing the dirt and the like washed off from the tableware 48 and the like is drained by the drain pump 51. Subsequently, a new washing water 43 is supplied,
The washing water 43 is sprayed from a spray hole 46 provided in the nozzle 45 to perform a step of rinsing the tableware 48 and the like contaminated with detergent, garbage and the like. After the completion of this step, the washing water 43 is discharged outside the machine. Then, this step is repeated several times continuously, and the rinsing step is completed. The remaining vegetables are collected in a filter 49 provided in the washing tank 41. After the completion of the rinsing process, the process proceeds to the drying process.

In the drying step, as shown in FIG. 4, by driving a blowing means 52, air is blown from a blowing hole 46 provided in a blowing port 55 and a nozzle 45 through a blowing path 54 and a circulation path 53 to a cleaning tank. 41. The air supplied into the cleaning tank 41 dries the washed tableware 48 and the like, and is discharged from the exhaust port 57 to the outside of the apparatus. Tableware 4
8 and the like are dried for a predetermined time to complete the drying process, and the operation of the dishwasher / dryer is terminated.

According to the first embodiment of the present invention configured as described above, as shown in FIGS. 1 and 2, in the cleaning and rinsing steps, when the cleaning water 43 is supplied to the circulation path 53, the cleaning is performed. The cleaning water pressure of the water 43 acts on the switching valve 56. Since the washing water pressure is larger than the own weight of the switching valve 56, the switching valve 56 rises using the washing water pressure as a driving source, and closes the blow port 55. Therefore, the washing water 43 is supplied to the nozzle 45 and is sprayed to the tableware 48 and the like through the spray hole 46.

In the drying step, as shown in FIGS. 3 and 4, when air is supplied to the air supply passage 54 and the circulation passage 53, the air pressure of the air acts on the switching valve 56. Is larger than the wind pressure of the air, the switching valve 56 does not rise, and the blow port 55 remains open. Therefore, the air flows into the tableware 4 through the nozzle 45 and the injection hole 46.
In addition to being supplied to the cleaning tank 41 and the tableware 48 from the blowing port 55, the air is supplied to the cleaning tank 41 and the tableware 48.

Therefore, the air is uniformly supplied to the washing tank 41 and the tableware 48 from substantially the center of the bottom of the washing tank 41.
The drying performance of the tableware 48 can be improved, and the drying time can be shortened.

As shown in FIG. 5, a water supply / air supply means 44a in which the cleaning water pressurization means 44 and the air supply means 52 are integrated is mounted, and the circulation path 53 and the air supply path 54 are integrated. You may.

(Embodiment 2) The overall configuration is the same as that of the first embodiment, and a description thereof will be omitted. However, FIGS. 6 and 7
In, the nozzle 45 can move up and down, and the switching valve 56 is formed integrally with the nozzle 45.
When the washing water 43 is supplied to the circulation path 53 by the washing water pressurizing means 44, the entire nozzle 45 moves upward by the washing water pressure of the washing water 43, and the nozzle 45
Closes the air outlet 55. Further, when air is supplied to the circulation path 53 by the blowing means 52, the nozzle 45 does not move upward, so the nozzle 45 opens the blowing port 55.

According to the second embodiment of the present invention constructed as described above, in the cleaning and rinsing steps, as shown in FIG. The cleaning water pressure acts on the nozzle 45. Since the cleaning water pressure is larger than the weight of the entire nozzle 45, the nozzle 45 moves upward, and at the same time, closes the blowing port 55. Therefore, the cleaning water 43 is supplied to the nozzle 45,
It is injected into the tableware 48 and the like via the 6.

In the drying step, as shown in FIG. 7, when air is supplied to the circulation path 53, the wind pressure of the air acts on the nozzle 45, but the weight of the entire nozzle 45 is lower than the wind pressure of the air. Because it is large, the nozzle 45 does not move upward and opens the air outlet 55. Therefore, the air is not only supplied to the tableware 48 and the like via the nozzle 45 and the injection hole 46,
It is also supplied to the washing tank 41 and the tableware 48 from the blower port 55. Therefore, the air is uniformly supplied to the washing tank 41 and the tableware 48 from the substantially center of the bottom of the washing tank 41.

As described above, the supply of the cleaning water 43 and the air can be switched with a simple, low-cost, and highly reliable configuration.

(Embodiment 3) The overall configuration is the same as in the first and second embodiments, and a description thereof will be omitted. However, FIG.
9 and FIG. 9, reference numeral 58 denotes a guide blade,
Guides the air blown from the heating element 50 to the cleaning tank 4
It blows to every corner in 1.

According to the third embodiment of the present invention constructed as described above, in the drying step, as shown in FIGS.
Is rectified without being immediately raised by the rectifying plate 59 having the guide vanes 58, is guided to the heating element 50, or is blown to every corner in the cleaning tank 41. Therefore, the air discharged from the blowing port 55 surely becomes high-temperature hot air and is blown into the cleaning tank 41, and further, the tableware 48 disposed at a corner in the cleaning tank 41.
, Etc., can be improved.

Accordingly, high-temperature air can always be blown into the cleaning tank 41, and high-temperature air can be blown even when the tableware 48 and the like that are difficult to dry are arranged at the corners in the cleaning tank 41. Thus, the degree of freedom in the arrangement of the tableware 48 in the washing tank 41 can be improved. Further, since the shape of the guide vanes 58 may be formed relative to the shape of the heating element 50, the degree of freedom of the shape of the heating element 50 can be improved, the watt density of the heating element 50 can be reduced, and the like. Cleaning tank 4
1 can improve the degree of freedom.

As shown in FIG. 10, if the heating element 50 is covered with the guide vanes 58, the heating element 50 is not exposed in the cleaning tank 41, so that the user can directly touch the heating element 50, The tableware 48 and the like dropped from the basket 47 can be configured not to be melted. In addition, if the heating element 50 is disposed so as to face the air outlet 55, the air outlet 55
The air blown from is always heated by the heating element 50,
It is better because it becomes hot air and is blown to the tableware 48 and the like.

(Embodiment 4) The overall configuration is the same as in the first and third embodiments, and a description thereof will be omitted. However, FIG.
In FIGS. 1 and 12, reference numeral 59 denotes an opening / closing valve for opening and closing a supply port 60 for supplying the cleaning water 43 from the circulation path 53 to the nozzle 45, and is formed integrally with the switching valve 56.

According to the fourth embodiment of the present invention thus constructed, in the washing and rinsing steps, the washing water pressure of the washing water 43 acts on the switching valve 56 and the on-off valve 59 as shown in FIG. I do. Then, the switching valve 56 and the on-off valve 59
Since the washing water pressure is larger than the own weight of the switching valve 56, the switching valve 56 and the opening / closing valve 59 rise, the switching valve 56 closes the ventilation port 55, and the switching valve 59 opens the supply port 60. Therefore, the washing water 43 is supplied to the nozzle 45 and is sprayed to the tableware 48 and the like through the spray hole 46.

In the drying step, as shown in FIG. 12, the air pressure of the air acts on the switching valve 56 and the on-off valve 59, and the weight of the switching valve 55 and the on-off valve 59 is greater than the air pressure of the air. Therefore, the switching valve 56 and the on-off valve 59 do not rise. Therefore, the switching valve 56 opens the air outlet 55 and the open / close valve 59 closes the supply port 60, so that air is supplied only from the air outlet 55 without being supplied to the nozzle 45 and the injection hole 46. Therefore, all the air blown from the blower means 52 via the circulation path 53 is blown directly from the blower port 55 to the heating element 50 to become hot air and become the cleaning tank 41.
And the tableware 48 and the like.

As described above, more hot air is supplied to the tableware 4.
8 and the washing tank 41, so that the drying performance of the tableware 48 can be improved or the drying time can be shortened.

[0046]

As described above, according to the first aspect of the present invention, a blowing path is connected to a part of the circulation path, a ventilation port is provided in a part of the circulation path below the nozzle, and washing water is added. By providing a switching valve which moves by the pressurizing force and closes the blower port when the pressure is applied, the washing water pressure of the washing water acts on the switching valve when the washing water is supplied to the circulation path in the washing and rinsing steps. Then, since the flushing water pressure is larger than the own weight of the switching valve, the switching valve rises using the flushing water pressure as a drive source, and closes the blow port. Therefore, the washing water is supplied to the nozzle, and is sprayed to tableware and the like through the spray hole.

In the drying step, when air is supplied to the air supply path and the circulation path, the air pressure of the air acts on the switching valve. However, the switching valve rises because its own weight is greater than the air pressure of the air. No, the vent remains open. Therefore, the air is supplied not only to the tableware and the like through the nozzle and the injection hole, but also to the washing tank and the tableware and the like from the blowing port. Therefore, since the air is uniformly supplied to the washing tank and the dishes from the substantially center of the bottom of the washing tank, it is possible to provide a dishwasher capable of improving the drying performance of the dishes and shortening the drying time. Can be.

According to a second aspect of the present invention, in addition to the first aspect, the switching valve is integrally formed with the nozzle, and the blower opening is opened and closed in conjunction with the movement of the nozzle. In the washing and rinsing steps, when the washing water is supplied to the circulation path, the washing water pressure acts on the nozzle.
Then, since the cleaning water pressure is larger than the weight of the entire nozzle, the nozzle moves upward, and at the same time, closes the blow port. Therefore, the washing water is supplied to the nozzle, and is sprayed to tableware and the like through the spray hole.

In the drying process, when air is supplied to the circulation path, the wind pressure of the air acts on the nozzles. However, since the weight of the entire nozzle is greater than the wind pressure of the air, the nozzle does not move upward and blows. Open your mouth. Therefore, air is not only supplied to tableware via nozzles and injection holes, but also
It is also supplied to the washing tank and tableware from the air outlet. Therefore,
The air is uniformly supplied to the washing tank and the dishes from substantially the center of the bottom of the washing tank.

As described above, it is possible to provide a dishwasher which is simple and inexpensive, and can switch the supply of washing water and air with a highly reliable configuration.

According to a third aspect of the present invention, in addition to the first or second aspect of the present invention, a rectifying plate having vanes for guiding the air discharged from the blowing port is provided. The air blown through the circulation path and the air outlet is rectified by the guide vanes, guided by the heating element, or blown to every corner in the cleaning tank. Therefore, the air discharged from the air outlet is reliably turned into high-temperature hot air and is blown into the cleaning tank, and the drying performance of tableware and the like arranged at a corner in the cleaning tank can be improved.

Therefore, high-temperature air can always be blown into the cleaning tank, and high-temperature air can be blown even if hard-to-dry tableware and the like are arranged at the corners in the cleaning tank.
The degree of freedom in the arrangement of tableware in the washing tank can be improved. In addition, since the shape of the guide vanes may be formed relative to the shape of the heating element, the degree of freedom of the shape of the heating element can be improved, the watt density of the heating element can be reduced, and the shape of the cleaning tank can be reduced. It is possible to provide a dishwasher that can improve the degree of freedom of the dishwasher.

According to a fourth aspect of the present invention, in addition to the third aspect of the present invention, a rectifying plate is formed so as to cover the heating element, so that the air discharged from the blower port is brought into contact with the heating element. And drying with good thermal efficiency can be realized.

According to a fifth aspect of the present invention, in addition to any one of the first to fourth aspects, an opening / closing valve for opening / closing a supply port for supplying washing water from the circulation path to the nozzle is provided. By opening the supply port when water is pressurized, the washing water pressure of the washing water acts on the switching valve and the on-off valve in the washing and rinsing steps. Since the flushing water pressure is larger than the own weight of the switching valve and the on-off valve, the switching valve and the on-off valve rise, the switching valve closes the blower port, and the on-off valve opens the supply port. Therefore, the washing water is supplied to the nozzle, and is sprayed to tableware and the like through the spray hole.

In the drying step, the air pressure of the air acts on the switching valve and the on-off valve. However, since the weight of the switching valve and the on-off valve is greater than the air pressure of the air, the switching valve and the on-off valve do not rise. Therefore, the switching valve opens the air outlet and the open / close valve closes the supply port, so that the air is supplied only from the air outlet without being supplied to the nozzle and the injection hole. Therefore, all the air blown from the blower through the circulation path is blown directly from the blower port to the heating element to be supplied as hot air to the washing tank and tableware.

As described above, it is possible to provide a dishwasher which can supply more high-temperature air into the dishes and the washing tank, improve the drying performance of the dishes and shorten the drying time. be able to.

The invention described in claim 6 of the present invention is the same as that of claim 1 of the present invention.
In addition to the invention described in any one of (5) to (5) above, the heating element is disposed in the vicinity of the discharge position of the air discharged from the blowing port, whereby the air from the blowing port reliably passes through the heating element. As a result, heat-efficient drying can be realized.

The seventh aspect of the present invention provides the first aspect.
In addition to the invention described in any one of (6) to (6), a water blowing means for discharging cleaning water and air is provided as the cleaning water pressurizing means and the blowing means, and the circulation path and the blowing path are made the same path, and the configuration is simplified. Dishwashing and drying with high drying efficiency can be realized.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a dishwasher and dryer in a first embodiment of the present invention.

FIG. 2 is an operation diagram of a portion around a nozzle in a washing and rinsing process of the dishwasher.

FIG. 3 is an operation diagram of a peripheral portion of a nozzle in a drying process of the dishwasher.

FIG. 4 is a configuration diagram of a drying process of the dishwasher.

FIG. 5 is a configuration diagram of the dishwasher in which water-blowing means is mounted.

FIG. 6 is an operation diagram of a peripheral portion of a nozzle in which a nozzle and a switching valve are integrated in a washing and rinsing step of a dishwasher in Embodiment 2 of the present invention.

FIG. 7 is an operation diagram of a nozzle peripheral portion in which a nozzle is integrated with a switching valve in a drying process of the dishwasher;

FIG. 8 is an operation diagram of a nozzle peripheral portion of a dishwasher according to a third embodiment of the present invention.

FIG. 9 is a view of the periphery of the nozzle of the dishwasher as viewed from above.

FIG. 10 is an operation diagram of a nozzle peripheral portion in which a heating element of the dishwasher is covered with a guide blade.

FIG. 11 is an operation diagram of a switching valve and an opening / closing valve in a washing and rinsing process of a dishwasher in Embodiment 4 of the present invention.

FIG. 12 is an operation diagram of a switching valve and an on-off valve in a drying process of the dishwasher.

FIG. 13 is a configuration diagram of a conventional dishwasher / dryer.

FIG. 14 is a configuration diagram of a conventional dishwasher in a drying process.

[Description of Signs] 41 Cleaning tank 43 Cleaning water 44 Cleaning water pressurizing means 44a Water blowing / blowing means 45 Nozzle 46 Injection hole 50 Heating element 52 Blowing means 53 Circulation path 54 Blowing path 55 Vent port 56 Switching valve 58 Guide vane 59 Open / close valve 60 Supply port

Claims (7)

[Claims] 1. A washing tank, a heating element disposed below the washing tank, a tableware for storing dishes and the like, washing water pressurizing means for circulating washing water in the washing tank, and an air washing tank. A blowing means for blowing air into the inside, a nozzle having a spray hole for spraying the cleaning water pressurized by the cleaning water pressurizing means, and a circulation path connecting the cleaning tank, the cleaning water pressurizing means, and the nozzle. And a blowing path connecting the cleaning tank and the blowing means, connecting the blowing path to a part of the circulation path, providing a ventilation port in a circulation path part below the nozzle, and applying cleaning water pressure. A dishwasher / dryer provided with a switching valve that sometimes moves by the applied pressure to close the blowing port. 2. The dishwasher / dryer according to claim 1, wherein a switching valve is provided integrally with the nozzle, and when the washing water is pressurized, the blowing port is closed together with the movement of the nozzle by the pressure. 3. The dishwasher / dryer according to claim 1, further comprising a straightening plate having a guide blade for straightening air discharged from the blowing port between the blowing port and the nozzle. 4. The dishwasher / dryer according to claim 3, wherein a current plate is formed so as to cover above the heating element. 5. An on-off valve for opening and closing a supply port for supplying washing water from a circulation path to a nozzle, wherein the on-off valve opens the supply port by a pressure when the washing water is pressurized. The dishwasher / dryer according to claim 1. 6. The dishwasher / dryer according to claim 1, wherein the heating element is disposed near a discharge position of the air discharged from the blower port. 7. The dishwashing and drying apparatus according to claim 1, wherein a water blowing means for discharging cleaning water and air is provided as the cleaning water pressurizing means and the blowing means, and the circulation path and the blowing path are made the same path. Machine.