JP2014100427A - Dishwasher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dishwasher capable of improving productivity without deteriorating washing performance and antinoise performance being the important performance of a dishwasher.SOLUTION: In the shape of an inner lid 3, the inner surface side is formed to be a waveform shape where a part above dishes 5 are projected downward in order to allow much falling water from the inner surface of the inner lid 3 to fall onto the dishes 5 stored in a dish basket 6, and the outer surface side is formed to be a flat shape where there are no recessions/projections in order to facilitate the adhesion of a rubber-based vibration-proof material 14 to be pasted in order to reduce sound to be generated when washing water jetted from a washing nozzle 4 hits the inner lid 3. Thus, the problem is solved without deteriorating washing performance and antinoise performance.

Description

  The present invention relates to a dishwasher for washing, rinsing and drying dishes. More specifically, the present invention relates to a lid that opens and closes an opening of a cleaning tank for taking in and out dishes.

  Conventionally, in a drawer type dishwasher that pulls out a washing tub from the dishwasher main body and draws in and out dishes from the opening provided in the washing tub, when the washing tub is stored in the dishwasher main body and operated, It is common to provide an inner lid that closes the opening in a water-tight manner so that the washing water does not leak out of the washing tank (see, for example, Patent Document 1). The inner lid has been devised for the purpose of improving the cleaning performance and reducing noise during operation.

  FIG. 3 is a side sectional view showing this type of dishwasher. The configuration will be described below. The cleaning tank 1 has an opening 2 on the upper side. The opening 2 is opened and closed by an inner lid 3, and a cleaning nozzle 4 for spraying cleaning water is rotatably provided inside the cleaning tank 1. A table basket 6 for storing the tableware 5 is arranged. The washing water in the washing tank 1 is warmed by the heater 7, pumped to the washing nozzle 4 by the washing pump 8, sprayed toward the dishes 5, and circulated to wash the dishes 5. When the washing process is completed, the washing water is discharged out of the machine by the drain pump 9.

  In addition, a blower fan 10 is provided for discharging steam in the cleaning tank 1 from the exhaust port 11 to the outside during the drying process, and the temperature detector 12 is provided on the outer bottom of the cleaning tank 1 to clean the cleaning tank 1. Detect water temperature, outside temperature, etc. The control device 13 controls the heater 7, the cleaning pump 8, the drainage pump 9, the temperature detection device 12, the blower fan 10, and the like to sequentially control each process of cleaning, rinsing, and drying.

  FIG. 4 shows a partial cross section of the inner lid 3, and the inner lid 3 is not flat so that the falling water from the inner surface of the inner lid 3 hits the tableware 5 stored in the tableware basket 6. 5 has a corrugated shape with a convex upward, and further, on the outer surface side, a rubber system is used to reduce the sound generated when the cleaning water sprayed from the cleaning nozzle 4 strikes the inner lid 3. The vibration isolator 14 is affixed.

  About the dishwasher comprised as mentioned above, the operation | movement is demonstrated below. When the tableware 5 is set in the tableware basket 6, the detergent is introduced, and the operation is started, the cleaning water is supplied into the cleaning tank 1 to a predetermined water level. When the water level reaches a predetermined level, the water supply is stopped, the washing pump 8 and the heater 7 are energized, and the washing water is sprayed from the washing nozzle 4 toward the dishes 5 while being heated, and the dishes 5 are washed. When the washing process is completed, the drainage pump 9 is energized and the washing water is discharged out of the machine. Next, washing water is newly supplied, and the rinsing process of the dishes 5 is performed by the same operation as the washing process. In this rinsing process, the rinsing operation is performed a plurality of times while changing the washing water, and the final rinsing is performed by rinsing with high-temperature washing water to improve the drying performance of the dishes 5 in the subsequent drying process. Is done. When the heating rinse is completed, the drainage pump 9 is energized and the rinse water is discharged outside the apparatus. Finally, a drying process is performed in which the blower fan 10 is operated while the heater 7 is intermittently energized to dry the dishes 5.

JP 2010-187961 A

  However, in the conventional dishwasher as described above, the inner surface of the inner lid forming the top surface of the washing tub is flat so that more falling water from the inner lid hits the tableware stored in the tableware basket. Rather than a corrugated shape, the outer surface is also not flat and corrugated, so the outer surface of the inner lid reduces the noise generated when the cleaning water sprayed from the cleaning nozzle strikes the inner lid. There was a problem that the rubber-based vibration-proofing material to be attached to was difficult to attach.

  The present invention solves the above-described conventional problems, and aims to provide a dishwasher that improves productivity without degrading the shape of the inner lid and reducing the cleaning performance and noise performance. .

  In order to achieve the above object, the present invention has an inner lid that forms the top surface of a washing tub of a dishwasher, the inner surface is formed in a corrugated shape with irregularities, and the outer surface is in a flat shape without irregularities. Is formed.

  Thereby, productivity can be improved without reducing the washing performance and noise performance of the dishwasher.

  The dishwasher of this invention can implement | achieve the dishwasher which productivity improves, without reducing washing | cleaning performance and noise performance.

Side surface sectional drawing of the dishwasher of Embodiment 1 of this invention (A) Main part sectional view of the inner lid of the dishwasher (b) Main part sectional view of the inner lid having a hollow part of the dishwasher Side sectional view of a conventional dishwasher Partial sectional view of the inner lid of a conventional dishwasher

  A first aspect of the present invention is a cleaning tank having an opening in the upper side for storing tableware, an inner lid provided in the opening so as to be openable and closable, a cleaning nozzle disposed in the cleaning tank, and the cleaning nozzle. A cleaning pump for pumping cleaning water, a heater for warming the cleaning water and drying the dishes, a blower fan for discharging steam in the cleaning tank to the outside during the drying operation, and the cleaning tank A temperature detection device for detecting the temperature of the cleaning water in the inside, and a control device for sequentially controlling each step of cleaning, rinsing and drying by controlling the heater, the cleaning pump, the temperature detection device, the blower fan, etc. The inner lid is formed in a corrugated shape having an uneven surface on the inner surface side, and is formed in a flat shape without an uneven surface on the outer surface side, thereby reducing productivity without deteriorating cleaning performance and noise performance. To improve the dishwasher Kill.

  According to a second aspect of the present invention, in the first aspect, the inner lid includes a hollow portion in a thickened portion formed by forming the corrugated shape having an uneven surface on the inner surface side and a flat shape on the outer surface side. As a result, the quality of the inner lid can be stabilized and the material can be reduced, and the productivity can be improved without deteriorating the cleaning performance and noise performance.

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

(Embodiment 1)
FIG. 1 is a side sectional view of the dishwasher according to Embodiment 1 of the present invention, and FIG. 2 is a sectional view of the main part of the inner lid of the dishwasher. In addition, about the same structure as the dishwasher of the said prior art example, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  Hereinafter, operation | movement and an effect | action are demonstrated about the dishwasher of Embodiment 1 of this invention. In FIG. 1, the user pulls out the washing tub 1 supported in the dishwasher main body so as to be movable back and forth by a rail device (not shown) from the dishwasher main body to the front (left side in the drawing). The tableware 5 is set in the tableware basket 6 from the opening 2 provided above 1, and after putting the detergent, the washing tub 1 is pushed in and stored in the dishwasher body. At this time, the inner lid 3 waiting in the upper part of the dishwasher main body descends in conjunction with the storing operation of the washing tank 1 and closes the opening 2 in a watertight state in the stored state.

  When the operation is started, the cleaning water is supplied into the cleaning tank 1 up to a predetermined water level. When the water level reaches a predetermined level, the water supply is stopped, the washing pump 8 and the heater 7 are energized, and the washing water is sprayed from the washing nozzle 4 toward the dishes 5 while being heated, and the dishes 5 are washed. At this time, the outside temperature is measured by the temperature detection device 12 at the start of operation, and the information is transmitted to the control device 13. The temperature detection device 12 measures the temperature of the cleaning water in the cleaning tank 1 in addition to the outside air temperature, and transmits the information to the control device 13. When the washing process is completed, the drainage pump 9 is energized and the washing water is discharged out of the machine.

  Next, cleaning water is newly supplied, and the dishes 5 are rinsed by the same operation as the cleaning process. In this rinsing step, the water rinsing performed by replacing the washing water without using the detergent without energizing the heater 7 is performed 2-3 times, and finally, the drying performance of the tableware 5 in the subsequent drying step. In order to improve the temperature, the heater 7 is energized and rinsed with high-temperature washing water. When the heating rinse is completed, the drainage pump 9 is energized, the rinse water is discharged outside the apparatus, and the rinse process is terminated.

  Next, a drying process is performed in which the blower fan 10 is operated while the heater 7 is energized intermittently to dry the dishes 5. When the drying process is finished, the operation of the dishwasher is finished.

  Hereinafter, the shape of the inner lid 3 will be described with reference to FIG. As shown in FIG. 2 (a), the inner lid 3 is formed in a substantially rectangular plate shape, and the inner surface is more likely to receive falling water from the inner surface of the inner lid 3 on the tableware 5 stored in the tableware basket 6. Moreover, the part located above the tableware 5 is formed in the waveform shape which became convex downward. Furthermore, the outer surface side is flat without unevenness so that the rubber-based vibration-proofing material 14 to be applied to reduce the sound generated when the cleaning water sprayed from the cleaning nozzle 4 strikes the inner lid 3 is easily attached. It is formed into a shape.

  By configuring the inner lid 3 in this way, the dishwasher according to the present embodiment can improve productivity without deteriorating the washing performance and noise performance. In addition, since the adhesion of the vibration isolator 14 to the inner lid 3 can be made reliable and stable, the noise performance can be stably maintained over a long period of time.

  Further, as shown in FIG. 2 (b), the inner lid 3 is formed by hollow molding or the like in a thickened portion formed by forming a corrugated shape with irregularities on the inner surface side and a flat shape on the outer surface side. By providing the hollow portion 3a, the quality of the inner lid 3 can be stabilized and the material can be reduced.

  As described above, the dishwasher according to the present invention can improve the productivity without deteriorating the washing performance and noise performance, so the top surface of the washing tub is configured with an inner lid that can be freely opened and closed. Useful as a dishwasher.

DESCRIPTION OF SYMBOLS 1 Washing tank 3 Inner lid 3a Hollow part 4 Washing nozzle 5 Tableware 7 Heater 8 Washing pump 10 Blower fan 11 Exhaust port 13 Controller 14 Vibration isolator

Claims (2)

A cleaning tank having an opening in the upper part for storing tableware, an inner lid provided in the opening so as to be openable and closable, a cleaning nozzle disposed in the cleaning tank, and a cleaning for pumping cleaning water to the cleaning nozzle A pump, a heater for warming the washing water and drying the dishes, a blower fan for discharging steam in the washing tank to the outside during the drying operation, and a temperature of the washing water in the washing tank And a control device for controlling each step of cleaning, rinsing and drying by controlling the heater, the cleaning pump, the temperature detecting device, the blower fan, etc. A dishwasher in which the inner surface is formed in a corrugated shape with irregularities, and the outer surface is formed in a flat shape without irregularities. 2. The dishwasher according to claim 1, wherein the inner lid includes a hollow portion in a thickened portion formed by forming a corrugated shape having irregularities on the inner surface side and a flat shape on the outer surface side.