TWI508695B - Tableware cleaning machine - Google Patents

Description

Dish washing machine Field of invention

The invention relates to a built-in dishwasher for cleaning and drying tableware.

Background of the invention

It is known that such a dishwasher is constructed as shown in Figs. 3 and 4 (for example, refer to Patent Document 1). As shown in Fig. 3 and Fig. 4, the dishwasher is housed in the system kitchenware. The cleaning tank 3 is provided inside the casing 2 having the first opening 1 in the front. The cleaning tank 3 is provided with a door body 4 that covers the first opening 1 and a second opening 5 that is provided above. A cutlery basket 7 for accommodating the tableware 6 is disposed inside the washing tank 3. A washing nozzle 8 is rotatably provided below the cutlery basket 7. The washing water accumulated in the washing tank 3 is circulated by the pump 9, and is sprayed from the washing nozzle 8 to wash the dishes 6.

Further, the cleaning tank 3 is fixed to the lower side of the side of the washing tank 3, and is supported by the casing 2 so as to be movable in parallel in the front-rear direction. When the user puts out the tableware 6, the user grasps the handle portion 11 formed on the door body 4, pulls the cleaning tank 3 forward, and accommodates the tableware 6 from the second opening portion 5. Next, the user returns the storage tank 3 and stores it in the casing 2. At this time, the inner lid 12 that is in the upper space of the casing 2 is moved downward by the link mechanism 13 or the like disposed on the right and left side surfaces in the casing 2, and is lowered. As a result, the inner lid 12 closes the second opening portion 5 of the washing tank 3.

Further, an exhaust port is provided in an upper portion of the door body 4 provided in front of the washing tank 3. 14. The dishwasher uses the air blowing unit 15 to discharge the air in the cleaning tank 3 from the exhaust port 14 to the outside of the machine to dry the tableware 6.

When the user takes out the dishware 6, the cleaning tank 3 is pulled forward, and the tableware 6 is accommodated from the second opening 5. Next, when the user returns the washing tank 3 to the inside of the casing 2 and starts the operation of the dishwasher, the dishwasher cleans the stroke. In the washing course, the dishwasher is heated by the heater 16 disposed at the bottom of the washing tank 3, and the washing water is sprayed from the washing nozzle 8 toward the tableware 6 to cause the dirt of the tableware 6 Dropped. Thereafter, the dishwasher cleans the water after rinsing the tableware 6, and performs a drying process to complete the operation. During the drying process, the dishwasher is heated by the air blowing unit 15 while warming the air in the washing tank 3 by the heater.

However, the conventional dish washing machine is configured such that the air in the washing tank heated by the heater is exhausted from the exhaust port provided on the front surface of the washing tank. Therefore, when the user performs another work in the drying step and passes the front of the dishwasher, the user is suddenly shocked by the exhaust gas with the heat, and the clothes are wetted by the exhaust gas containing a large amount of moisture. Further, in the conventional dishwasher, when dew condensation water is retained in the exhaust passage passing through the periphery of the exhaust port and the communication exhaust port and the inside of the washing tank, there is a problem that it is unsanitary.

[First technical literature]

[Patent Literature]

[Patent Document 1] JP-A-2004-154223

Summary of invention

[Summary of the Invention]

The dishwasher of the present invention includes a casing, a washing tank, an inner lid, a blower, a first air blowing path, a second air blowing path, and an adjusting portion. The casing has a first opening on the front surface. The cleaning tank is provided in the casing so as to be movable in the front-rear direction, and has a second opening on the upper side, and has a door body that covers the first opening when stored in the casing. The inner lid is attached to the casing, and the second opening is closed. The air blowing unit blows the outside air through the first air blowing path to the cleaning tank, and discharges the air in the washing tank through the exhaust path to be discharged from the exhaust port. The second air blowing path is provided to be branched from the first air blowing path so that the air is mixed into the exhaust path by the air blown by the air blowing unit. The adjustment unit is provided in the first air blowing path, and adjusts the amount of air blown into the cleaning tank and the second air blowing path. The exhaust port is configured to exhaust the inside of the casing.

Thereby, when the user does not allow the exhaust gas to come out from the front surface of the dishwasher, the user can operate the dishwasher in front of the dishwasher and do not need to pay attention to the exhaust, so that the dishwasher can be used with peace of mind.

1‧‧‧1st opening

2‧‧‧Shell

3‧‧‧cleaning trough

4‧‧‧

5‧‧‧2nd opening

6‧‧‧Tableware

7‧‧‧Tableware basket

8‧‧‧ Washing nozzle

9‧‧‧ pump

10‧‧‧ Track

11‧‧‧Hands

12‧‧‧ Inner cover

13‧‧‧ linkage mechanism

14‧‧‧Exhaust port

15‧‧‧Air Supply Department

16‧‧‧heater

17‧‧‧Shell

18‧‧‧1st opening

19‧‧‧Tableware

20‧‧‧cleaning trough

21‧‧‧

22‧‧‧ Track

23‧‧‧Tableware basket

24‧‧‧ Washing nozzle

25‧‧‧Washing pump

26‧‧‧2nd opening

27‧‧‧ inner cover

28‧‧‧ linkage mechanism

29‧‧‧ Sealing Department

30‧‧‧ Temperature Detection Department

31‧‧‧Control Department

32‧‧‧Air Supply Department

33‧‧‧Exhaust port

34‧‧‧1st air supply path

35‧‧‧Exhaust path

36‧‧‧Regulatory Department

37‧‧‧2nd air supply path

38‧‧‧ recess

39‧‧‧Protruding

40‧‧‧heater

41‧‧‧ vent

Fig. 1 is a longitudinal sectional view showing a dishwasher according to a first embodiment of the present invention.

Fig. 2 is a longitudinal sectional view showing a state in which the washing tank of the dishwasher of the first embodiment of the present invention is pulled out from the casing toward the front.

Figure 3 is a longitudinal sectional view of a conventional dishwasher.

Fig. 4 is a longitudinal sectional view showing a state in which the washing tank of the conventional dishwasher is pulled out from the casing toward the front.

Detailed description of the preferred embodiment

[Formation for implementing the invention]

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

(Embodiment 1)

Fig. 1 is a longitudinal sectional view showing a dishwasher of a first embodiment of the present invention. Fig. 2 is a longitudinal sectional view showing a state in which the washing tank of the dishwasher of the first embodiment of the present invention is pulled out from the casing toward the front. In the case of the dishwasher 17 of the dishwasher of the system, the first opening portion 18 is provided on the front surface, and the cleaning tank 20 for accommodating the laundry such as the tableware 19 is movable in the front-rear direction. It is provided in the casing 17. In front of the cleaning tank 20, a door body 21 that covers the first opening portion 18 when the cleaning tank 20 moves in the rear direction and is housed in the casing 17 is provided.

The cleaning tank 20 is formed so as to be able to be stretched in the front-rear direction by the rails 22 which are stretched in the lateral direction on both sides of the side surfaces of the casing 17. The cleaning tank 20 has a second opening 26 on the upper side. A cutlery basket 23 for accommodating the tableware 19 is disposed inside the washing tank 20. A washing nozzle 24 is rotatably provided below the cutlery basket 23. The heater 40 disposed at the bottom of the washing tank 20 heats the washing water stored in the washing tank 20 and the air in the washing tank 20. A washing pump 25 is provided outside the bottom of the washing tank 20. The washing pump 25 sprays the washing water from the washing nozzle 24 while circulating the washing water.

A temperature detecting unit 30 that indirectly detects the temperature of the washing water is provided outside the bottom of the washing tank 20. The control unit 31 is provided in the door body 21. The control unit 31 controls the heater 40, the washing pump 25, and the delivery by the signal of the temperature detecting unit 30 or the like. The air portion 32 and the like, and the washing step, the rinsing step, the drying step, and the like are sequentially controlled to operate the dishwasher.

In the lower portion of the cleaning tank 20, a blower portion 32 for supplying outside air to the washing tank 20 in the drying step and a first air blowing passage 34 for communicating from the blower portion 32 to the washing tank 20 are provided. An exhaust path 35 for exhausting air in the washing tank 20 is provided in an upper portion of the front side of the washing tank 20. The exhaust port 33 at the end of the exhaust path 35 opens toward the casing 17 side of the door body 21 provided in front of the washing tank 20. The exhaust port 33 is arranged such that when the washing tank 20 is housed and the inner lid 27 is lowered, the air vent 33 is viewed from the gap between the casing 17 and the inner lid 27. That is, the exhaust port 33 is configured to be exhausted from the gap between the casing 17 and the inner lid 27.

The second air blowing path 37 is branched from the first air blowing path 34 and connected to the exhaust path 35 . The second air blowing path 37 is configured to directly blow a part of the air blown from the air blowing unit 32 to the exhaust path 35 without passing through the cleaning tank 20 . The adjustment portion 36 that can adjust the amount of air blown into the inside of the cleaning tank 20 and the second air blowing path is provided at a portion where the first air blowing path 34 and the second air blowing path 37 are different from each other. The exhaust port 33 is configured such that the air discharged from the cleaning tank 20 and the air blown from the air blowing portion 32 through the second air blowing path 37 adjust the mixing ratio to exhaust.

An inner lid 27 for closing the second opening portion 26 of the washing tank 20 is disposed above the casing 17. The inner cover 27 is supported to be freely movable up and down by a pair of right and left parallel link mechanisms 28 including a pair of front and rear links. A sealing portion 29 that hermetically seals the second opening portion 26 of the cleaning tank 20 when the inner lid 27 is lowered is fixed to the lower surface of the inner lid 27. When the cleaning groove 20 is pulled out, the parallel link mechanism 28 is configured such that the sealing portion 29 is released upward so as not to interfere with the cleaning groove 20 before and after.

A plurality of protrusions 39 facing inward are provided on the top surface of the casing 17. A recess 38 is provided below the protrusion 39 and above the inner cover 27. Further, a plurality of vent holes 41 are provided at a position lower than the exhaust port 33 in the rear portion of the casing 17. The exhaust gas from the exhaust port 33 is configured to be discharged to the outside of the casing 17 through the vent 41.

Regarding the dishwasher according to the above configuration, the operation and action will be described below. When the operation of the dishwasher is started, the washing water is supplied into the washing tank 20, and the washing water is heated by the heater 40 disposed at the bottom of the washing tank 20. At the same time, the washing water is sprayed from the washing nozzle 24 toward the tableware 19 by the washing pump 25, and a washing step of dropping the dirt of the tableware 19 is performed. Thereafter, the washing water is replaced a predetermined number of times, and after the rinsing step, the heating and rinsing step is performed. In the heating and rinsing step, the tableware 19 is rinsed while heating the washing water to about 80 ° C by a heater. Thereafter, the outside air is blown into the cleaning tank 20 by the blower unit 32, and the air in the tank 20 is heated by the heater 40. At the same time, the air containing a lot of moisture is discharged from the exhaust port 33, and the drying step of drying the inside of the tableware 19 and the washing tank 20 is performed, and the dishwasher is operated.

The adjustment unit 36 is in a state in which the path from the first air blowing path 34 to the inside of the washing tub 20 is fully closed before the start of the operation of the dishwasher. The operation of the dishwasher is started. In the cleaning step, the adjustment unit 36 is fully closed from the first air supply path 34 to the path in the cleaning tank 20, and the temperature of the washing water becomes a constant temperature (for example, 40). At °C), the operation of the blower unit 32 is started, and the blower unit 32 supplies only the air to the exhaust path 35. At this time, air is blown to the exhaust path only by the outside of the second air blowing path 37. Thereby, the outside air is mixed with a lot of washing The air in the clean tank 20 expands to leak air or vapor of moisture to the exhaust path 35. Thereby, the temperature of the exhaust gas from the exhaust port 33 is lowered, and the moisture content per exhaust volume is lowered. As a result, even if the exhaust port is exhausted into the casing 17, dew condensation into the casing 17 can be suppressed.

Further, since the exhaust port 33 is disposed so as to be viewed from the gap between the casing 17 and the inner lid 27, the exhaust gas comes into contact with the top surface of the casing 17 having the same temperature as the outside air temperature, and the temperature is further lowered from the vent port. 41 is discharged outside the machine. Further, even if the top surface of the casing 17 is dew condensation, dew condensation water can be recovered in the inner cover 27 located below.

In the rinsing step, since the temperature in the cleaning tank 20 is high in the continuous cleaning step, the air blowing unit 32 is operated in a state in which the path from the first air blowing path 34 to the inside of the cleaning tank 20 is fully closed, and the housing can be suppressed. The same effect of condensation in 17.

Next, in the drying step, the air blown from the air blowing unit 32 in the initial stage passes through the first air blowing path 34, and is controlled by the adjusting unit 36 so as to diverge more toward the second air blowing path than in the cleaning tank 20. In this way, the exhaust gas discharged from the exhaust port 33 is higher than the air that is blown (exhausted) from the first air blowing path 34 through the cleaning tank 20 and contains a lot of moisture, and is blown from the second air blowing path 37. A lot of gas is mixed. Thereby, the exhaust gas temperature from the exhaust port 33 and the amount of moisture per exhaust capacity can be lowered to exhaust, and dew condensation into the casing 17 can be suppressed.

Thereafter, as the temperature in the cleaning tank 20 detected by the temperature detecting unit 23 decreases, the adjustment unit 36 is controlled to increase the amount of air blown through the inside of the washing tank 20. Thereby, the drying of the tableware 19 can be promoted to achieve drying time. shorten.

Further, by providing the inwardly protruding portion 39 on the top surface portion of the casing 17, the contact area with the exhaust gas is increased, and the temperature difference between the top surface of the casing 17 and the outside air temperature is utilized to allow the exhaust gas to be exhausted. The temperature is even lower. Further, when the temperature of the exhaust gas at the initial stage of the exhaust step is high and the temperature difference from the top surface portion of the casing 17 is large, the moisture of the exhaust gas can be recovered as dew condensation water.

Further, since the water can be stored by providing the recessed portion 38 on the top surface of the inner lid 27, the top surface of the casing 17 can be easily dew condensation and the dew condensation water concentrated by the projections 39 can be recovered. The recovered dew condensation water can be dried during operation by the residual heat of the inner lid 27 which becomes the high temperature in the drying step and the exhaust gas whose humidity is gradually reduced.

Further, since the vent hole 41 is provided at a position lower than the exhaust port 33, the exhaust gas from the exhaust port 33 through the casing 17 and the inner cover 27 collides with the rear portion of the casing 17, and the vent hole 41 faces the machine. Discharged outside. At this time, the exhaust gas can be dewed by heat exchange with the rear portion of the casing 17, and can be exhausted to the outside of the machine in a state where the humidity is less. In addition, the dew condensation is dried by gradually reducing the humidity of the exhaust gas. However, when the dew condensation water remains due to conditions such as low outside air temperature, it is collected in the bottom of the casing 17 and the like, and is quickly cooled by the heat of the cleaning tank 20. The dew condensation water is dried and can be easily handled.

Thereby, the user can work before the dishwasher, and can safely use the dishwasher without paying attention to the exhaust before passing through the dishwasher. Moreover, the dew condensation water can be quickly evaporated while being easily dewed in the dish washer 17, and the treatment can be easily performed.

As described above, the dishwasher of the present invention is provided with a housing, The washing tank, the inner lid, the air blowing portion, the first air blowing path, the second air blowing path, and the adjusting portion. The casing has a first opening on the front surface. The cleaning tank is provided in the casing so as to be movable in the front-rear direction, and has a second opening on the upper side, and has a door body that covers the first opening when stored in the casing. The inner lid is closed to the second opening provided in the casing. The air blowing unit blows the outside air through the first air blowing path to the cleaning tank, and discharges the air in the washing tank through the exhaust path to be discharged from the exhaust port. The second air blowing path is provided to be branched from the first air blowing path so that the air is mixed into the exhaust path by the air blown by the air blowing unit. The adjustment unit is provided in the first air blowing path, and adjusts the amount of air blown into the cleaning tank and the second air blowing path. The exhaust port is configured to exhaust the inside of the casing.

Thereby, the user can operate in front of the dishwasher without using the exhaust gas from the front surface of the dishwasher, and can safely use the dishwasher without paying attention to the exhaust before passing through the dishwasher.

Further, in the dishwasher of the present invention, the exhaust port is disposed to be exhausted toward the gap between the inner lid and the casing.

Thereby, the exhaust gas can be brought into contact with the top surface of the casing to lower the temperature, and the condensation of the exhaust gas toward the top surface of the casing can be recovered on the top surface of the inner cover.

Further, in the dishwasher of the present invention, a plurality of projections facing inward are provided on the top surface of the casing, and a recess is provided on the top surface of the inner lid below the projections.

Thereby, the contact area with the exhaust gas can be increased and the temperature of the exhaust gas can be further lowered. Further, when the temperature of the exhaust gas is high, the moisture of the exhaust gas can be recovered as dew condensation water and stored in the concave portion on the top surface of the inner lid.

As described above, the dishwasher according to the present invention does not utilize The exhaust gas exits from the front surface of the dishwasher, and the user can work in front of the dishwasher, and can safely use it without paying attention to the exhaust before passing through the dishwasher. Therefore, it is useful as a dishwasher or the like which is used as a built-in system kitchenware.

11‧‧‧Hands

17‧‧‧Shell

18‧‧‧1st opening

19‧‧‧Tableware

20‧‧‧cleaning trough

21‧‧‧

22‧‧‧ Track

23‧‧‧Tableware basket

24‧‧‧ Washing nozzle

25‧‧‧Washing pump

26‧‧‧2nd opening

27‧‧‧ inner cover

28‧‧‧ linkage mechanism

29‧‧‧ Sealing Department

30‧‧‧ Temperature Detection Department

31‧‧‧Control Department

32‧‧‧Air Supply Department

33‧‧‧Exhaust port

34‧‧‧1st air supply path

35‧‧‧Exhaust path

36‧‧‧Regulatory Department

37‧‧‧2nd air supply path

38‧‧‧ recess

39‧‧‧Protruding

40‧‧‧heater

41‧‧‧ vent

Claims (3)

A dishwasher includes a housing having a first opening on a front surface, and a cleaning groove that is provided in the housing so as to be movable in a front-rear direction, and has a second opening on the upper side and has a housing a door body covering the first opening portion in the casing; the inner cover is provided in the casing, and the second opening is opened and closed; and the air blowing portion blows the outside air into the cleaning tank through the first air blowing path. The air in the washing tank is discharged from the exhaust port through an exhaust path, and the second air blowing path is provided from the first air blowing path so as to be mixed with the air blown by the air blowing unit. The exhaust path and the adjustment unit are provided in the first air blowing path, and adjust a blow air amount in the cleaning tank and the second air blowing path, and provide ventilation at a position lower than the exhaust port at a rear portion of the casing The exhaust port is configured to exhaust the inside of the casing, and the gas discharged from the exhaust port is discharged to the outside of the casing through the vent. A dishwasher according to claim 1, wherein the exhaust port is disposed to exhaust the gap between the inner cover and the casing. The dishwasher according to claim 2, wherein the top surface of the casing is provided with a plurality of protrusions facing inward, and a recess is provided on a top surface of the inner lid below the protrusion.