KR19980082395A - Flow Control Device for Washing Water in Dishwasher - Google Patents

Abstract

The present invention relates to a washing water flow control apparatus for a dishwasher, and to wash and supply the washing water supplied in one direction to the upper nozzle and the lower nozzle in accordance with the pumping power of the washing pump during dishwashing and rinsing. A washing water flow control apparatus for a dish washing machine having a distribution pipe connected to a lower flow channel, wherein the washing water discharged to the first and second outlets of the distribution pipe is supplied to the upper and lower flow paths. Since the orifice pipes are installed to smooth the flow, it is possible to minimize the vibration and noise by smoothing the flow of the washing water, and to reduce the consumption and power consumption of the washing water by controlling the flow of the washing water efficiently. will be.

Description

Flow Control Device for Washing Water in Dishwasher

The present invention relates to a dishwasher, and more particularly, the washing water discharged from the drainage pump is divided into two directions by the distribution pipe so that the flow of the washing water flows smoothly while passing through the orifice pipe when supplied to the upper and lower flow channels. The present invention relates to a washing water flow control device of a dishwasher.

Conventional dishwashers, as shown in Figures 1 to 3, the upper and lower baskets 20 which are trayed in the front and rear direction at regular intervals at a height above and below the washing tank 10 so as to place dishes and the like necessary for washing. (30) is installed, the lower portion of the upper and lower baskets (20, 30) by spraying a strong stream of water toward the upper and lower baskets (20, 30) in multiple angles, such as food leftovers in the tableware The upper and lower nozzles 40 and 50 are rotatably installed, respectively, to wash, and a collecting tank 60 is installed at one side of the bottom of the washing tank 10 so that the washing water is collected in one place.

The upper opening side of the sump (60) is provided with a filter member (70) so as to be cleaned to filter the food residue contained in the wash water when the wash water is collected into the sump (60), the lower portion of the sump (60) On the side, a washing pump 80 is installed to recycle the washing water collected into the sump 60 to the upper and lower nozzles 40 and 50, and one side of the washing pump 80 is a washing pump 80. Distribution pipe 90 is installed to receive the pumped wash water from the nutrient supply to the lower nozzle 50 and the upper nozzle 40, respectively.

That is, the distribution pipe 90, the one end thereof is fitted to the outer peripheral surface of the lower end of the upper flow path pipe 100 for supplying the washing water to the upper nozzle 40 and at the same time the first outlet is fixed by the clip 110 91 is formed, and the second outlet 92 is formed such that the other side thereof is fixed to the outer peripheral surface of the lower end of the lower flow path tube 51 integrally connected with the lower nozzle 50.

At this time, the upper flow path pipe 100 is bent in a U-shape so that the lower end is connected to one side of the distribution pipe 90 at the outer lower end of the washing tank 10, the upper end of the washing tank 10 It is connected to the center of the outer upper surface, the center is installed in the vertical direction to be close to the outer side wall of the washing tank (10).

In addition, the upper end of the upper flow path tube 100 has a screw surface (100a) is formed on the outer peripheral surface, the screw surface (100a) is a washing tank through the through hole (10a) formed in the center of the upper surface of the washing tank (10) (10) is screwed to the injection pipe 120 located inside, the packing between the screw surface (100a) and the upper edge of the through hole (10a) to prevent the wash water from leaking to the outside of the washing tank (10) 130 and washer 140 are interposed.

On the other hand, the guide rails 150 and 160 which guide the upper and lower baskets 20 and 30 to be trayed in the front and rear directions at a predetermined height of the washing tank 10 on both sides of the inner wall of the washing tank 10, respectively. Is installed, the front of the washing tank 10 is provided with a door 170 that opens and closes in the opening and closing manner with a lower hinge point to open and close the opening of the washing tank 10, the bottom edge in the washing tank 10 The heater 180 is installed to heat the washing water in the washing tank 10 to be hot.

Reference numeral 190 in the drawing is a base member which is installed on the outer lower portion of the washing tank (10).

However, according to the washing water flow control apparatus of the conventional dishwasher configured as described above, the distribution pipe between them so as to supply the washing water discharged from the washing pump 80 to the lower nozzle 50 and the upper nozzle 40, respectively. Although the 90 is connected, the first and second outlets 91 and 92 of the distribution pipe 90 are not only formed with a simple inner diameter, but also have a lower flow path tube having a simple inner diameter ( 51) and the cross-section changes are severely generated at these connecting portions because they are fitted and connected to the outer circumferential surfaces of the upper flow path pipe 100, respectively, and then fixed by the clip 110, and thus, the flow of the washing water becomes irregularly turbulent. As severe vibration and noise are generated and the flow of washing water is not controlled efficiently, the amount of washing water is increased and power consumption (for example, the washing pump 80 and the heater 180) is increased. Increased uptime).

Accordingly, the present invention has been made to solve the above problems, the object of the present invention is to smooth the flow of the wash water, as well as to minimize the vibration and noise, and to effectively control the flow of the wash water consumption and power It is to provide a washing water flow control device of a dishwasher to reduce the consumption.

The washing water flow control apparatus of the dish washing machine according to the present invention made to achieve the above object is supplied by dividing the washing water supplied in one direction to the upper nozzle and the lower nozzle according to the pumping power of the washing pump during dish washing and rinsing. A washing water flow control apparatus for a dishwasher having a distribution pipe connected between a cleaning pump and an upper flow path and a lower flow path, wherein the washing water discharged to the first and second outlets of the distribution pipe flows into the upper and lower flow path pipes. Characterized in that each installed orifice tube to smooth the flow of wash water when supplied to.

1 is a perspective view showing a part of the conventional dishwasher cut away,

Figure 2 is a side view schematically showing the interior of the conventional dishwasher,

3 is a detailed view of a portion A of FIG. 2;

Figure 4 is a side view schematically showing the interior of the dishwasher according to the present invention,

Orifice pipe according to the present invention of Figure 5 is a main cross-sectional view showing a state in which the passage is connected to the upper and lower flow channel is installed in the distribution pipe,

6 is a perspective view showing an orifice tube according to the present invention.

* Explanation of symbols for main parts of drawings *

10: washing tank 40: upper nozzle

50: lower nozzle 51: lower flow path

80: washing pump 90: distribution pipe

91, 92: first and second exit 330: orifice tube

331: small diameter part 332: large diameter part

333: tapered portion 334: snap projection

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the drawings, the same names and same reference numerals are given to the same configurations as the conventional configurations, and detailed description thereof will be omitted.

4 and 5, reference numeral 330 denotes the washing water discharged from the first and second outlets 91 and 92 of the distribution pipe 90 connected to the washing pump 80. Orifice pipes respectively inserted into the inner circumferential surfaces of the first and second outlets 91 and 92 so as to smoothly flow the washing water when supplied to the upper and lower nozzles 40 and 50 through the upper and lower nozzles 100 and 51, respectively. will be.

That is, when the orifice tube 330 is inserted into the inner circumferential surfaces of the first and second outlets 91 and 92, the large diameter portion 332 is positioned in the flow direction of the washing water and the small diameter portion in the opposite direction to the flow of the washing water. It is forcibly fitted so that 331 is positioned.

At this time, the small diameter portion 331 is inserted into a range that is not in contact with the inner circumferential surface of the upper and lower flow channel (100, 51), the large diameter portion 332 is the first and second outlets (91, 92) Is installed in contact with the inner circumferential surface of the

In addition, a tapered portion 333 is formed on an outer circumferential surface of the small diameter portion 331 and the large diameter portion 332, and the first and the second portions are formed between the tapered portion 333 and the small diameter portion 331. 2 snap projections having the same height as the outer diameter of the large-diameter portion 332 so as to contact the inner peripheral surface of the outlet (91) (92) and at the same time the upper surface is in close contact with the ends of the upper and lower flow path (100, 51) 334 is formed.

Next, the operation and effect of the present invention configured as described above will be described.

If power is applied to the water supply valve (not shown) under the control of the microcomputer while the faucet is not shown, the solenoid in the water supply valve is operated to open the water supply valve, and the wash water passing through the water supply valve is installed in the product. The inside of the washing tank 10 is supplied along the water supply hose (not shown).

At this time, when the water level in the washing tank 10 reaches an appropriate level, the water supply valve is also blocked under the control of the microcomputer, the pressure generated by the operation of the washing pump 80 while the washing pump 80 is operated by applying power. The washing water in the washing tank 10 is pumped by.

That is, when the washing pump 80 is operated, the washing water collected into the sump 60 installed at the bottom of the washing tank 10 is discharged at a high pressure through the washing pump 80 and is connected to one side of the washing pump 80. The flow is divided in two directions by the first and second outlets 91 and 92 formed at one side of the distribution pipe 90 while being supplied to the distribution pipe 90, and these first and second outlets 91 are provided. The washing water discharged from the 92 passes through the orifice pipe 330 provided on the inner circumferential surfaces of the first outlet 91 and the second outlet 92 and along the upper flow path 100 and the lower flow path 51. While flowing, it is supplied to the upper nozzle 40 and the lower nozzle 50 connected to the upper flow path pipe 100 and the lower flow path pipe 51, respectively.

At this time, the orifice pipe 330 is the first and second outlet of the distribution pipe 90 so that the washing water discharged from the distribution pipe 90 flows from the large diameter portion 332 of the orifice tube 330 to the small diameter portion 331 side (91) (92) is fitted to the inner circumferential surface, when the first and second outlets (91) 92 are fitted to the outer circumferential surface of the upper and lower flow channel (100, 51) upper and lower flow channel Since the ends of the (100) and (51) are installed to be in close contact with the snap protrusion 334 protruding from the outer circumferential surface of the small diameter portion 331, the cross-sectional change of these connecting portions can be smoothed, and the flow of the washing water is regularly Turbulence is minimized to minimize vibration and noise, and the flow of wash water is efficiently controlled to reduce the amount of water used and power consumption.

On the other hand, the washing water supplied to the upper portion along the upper flow path pipe 100 is dropped to the upper nozzle 40 through the injection pipe 120 screwed with the upper end of the upper flow path pipe 100, the upper nozzle by the water pressure of the washing water At the same time as rotating the 40 and the upper nozzle and the lower surface of the upper nozzle 40, a plurality of injection holes (not shown) formed at a predetermined distance from each other is sprayed at a high speed, the wash water is to the upper basket (20) Concentrated spraying on a plurality of installed dishes to remove food debris on the tableware.

The washing water supplied to the lower flow path pipe 51 rotates the lower nozzle 50 and is sprayed at a high speed through the injection holes formed at regular intervals on the upper surface of the lower nozzle 50 so that the lower basket 30 is rotated. It removes food scraps from a number of utensils installed on the table.

At this time, the food dregs fall to the bottom of the washing tank 10 together with the washing water and are filtered by the filter member 70 covering the upper opening of the sump 60 so that the food waste does not flow into the washing pump 80. The dish washing is performed by repeating the cycle passed through the filter member 70 and supplied back to the washing pump 80.

According to the washing water flow control device of the dishwasher of the present invention as described above, when the upper and lower flow path and the distribution pipe is connected to the orifice pipe is installed on the inner peripheral surface of the distribution pipe for the connection portion therebetween Therefore, it is possible to smooth the cross-sectional change as well as to minimize the vibration and noise by smoothing the flow of the washing water, and by controlling the flow of the washing water efficiently, it is possible to reduce the consumption and power consumption of the washing water.

Claims (3)

Dishes with a distribution pipe connected between the washing pump and the upper and lower flow paths to divide and supply the washing water supplied in one direction to the upper and lower nozzles according to the pumping power of the washing pump when washing and rinsing the dish. In the washing water flow control device of the washing machine, And an orifice tube is installed at the first and second outlets of the distribution pipes so as to smoothly flow the washing water when the discharged water is supplied to the upper and lower flow paths. The method of claim 1, When the orifice tube is inserted into the inner circumferential surfaces of the first and second outlets, the large diameter portion is located in the flow direction of the washing water and the small diameter portion is forcibly fitted in the opposite direction to the flow of the washing water. Control unit. The method of claim 1, Washing water of the dishwasher, characterized in that the intermediate outer peripheral surface of the orifice tube is in close contact with the inner peripheral surfaces of the first and second outlets and the side surface is in close contact with the end of the upper and lower flow channel Flow control device.