KR0176943B1 - Dishwasher - Google Patents

Abstract

The present invention relates to a washing water spraying arm of a dishwasher, and in the related art, when cleaning is performed using only one of the spray arms of the upper and lower spray arms, cleaning is performed using a solenoid valve, In addition, the trajectory of the washing water sprayed to the dish is formed circular through the spray arm, and the cross section of the tub having the dishwasher mounted thereon is formed in a quadrangular shape, so that the washing water can not reach each corner of the tub when the washing water is sprayed. There is a problem in that the dishwasher is not properly cleaned. The present invention relates to a dishwasher which is coupled to an arm provided with a washing-water flow path through which washing water flows therein, Means is provided and is cleaned in a direction perpendicular to the arm by means of a rotary jetting body Not only the cleaning ability is improved by spraying the washing water evenly on each part of the tub where the dishwashing is performed by spraying the water, but also the opening and closing means using the rotary cap are used instead of the solenoid valve which was conventionally used in the separation washing, .

Description

Washing water spraying arm of dishwasher

1 is a front view schematically showing a general dishwasher.

FIG. 2 is a locus diagram showing the locus of the washing water sprayed on the tableware by the conventional dishwasher.

FIG. 3 is a front view of the dishwasher in which the dishwasher washing water spray arm of the present invention is installed; FIG.

FIG. 4 is a perspective view showing an arm of the dish washer washing water spray arm of the present invention. FIG.

FIG. 5 is a view showing a rotation stopper of the washing water washing water spray arm of the present invention,

(a) is a front view;

(b) is a plan view.

FIG. 6 is a perspective view showing a rotary jetting body of the dish washer washing water jetting arm of the present invention. FIG.

FIG. 7 is a front view showing an operation state of the dish washer washing water spray arm of the present invention; FIG.

FIG. 8 is a locus diagram showing the locus of the washing water sprayed by the dish washer washing water spray arm of the present invention. FIG.

DESCRIPTION OF THE REFERENCE NUMERALS

12: arm 12a:

12b: jetting port 12c:

12d: Inlet F: Washing and feeding bottle

13: rotating jet body 13a: through hole

13b: opening 13c: vane

13d: rotating body nozzle 14: rotation stopper

14a: Handle portion 14b:

14c:

The present invention relates to a washing water spray arm of a dishwasher, and more particularly, to a dishwasher which can simplify the structure in which washing and detaching are performed more easily, and moreover, To the washing water spray arm of the washing machine.

1, the conventional dishwasher includes a case 1 having a body 2 and a tub 2 having a rectangular cross section, and a dishwasher 2 installed above and below the tub 2, (3, 4) which are housed in the upper and lower racks (3, 4), respectively, and upper and lower racks A waste tank 2a formed on the bottom surface of the tub 2 to collect washing water sprayed on the upper and lower racks 3 and 4, A filter 7 for filtering the dirt mixed with the washing water, a drain pump 8 connected to the lower part of the waste water tank 2a, a centrifugal pump 9 connected to the side of the waste water tank 2a, An upper flow pipe 10 connecting the centrifugal pump 9 and the upper spray arm 5 and a lower flow pipe 11 connecting the centrifugal pump 9 and the lower spray arm 6, It is.

In the operation of the dishwasher constructed as described above, the dishwashers to be cleaned are mounted on the upper and lower racks 3 and 4, and the detergent and the washing water are supplied to the centrifugal pump 9, The washing water is sprayed through the upper and lower spray arms 5 and 6 through the upper and lower flow path pipes 10 and 11 to wash the dishware. The washing water that has washed the dishware flows downward and flows into the dirt container 2a The introduced washing water is filtered by the filter (7), and the filtered washing water is re-injected by the centrifugal pump (9), and the dish is washed while repeating this process. When the washing process is finished, the washing water is discharged to the sewer by the operation of the drain pump 8.

In addition, when a solenoid valve is provided in the upper and lower flow path pipes 10 and 11 so that the amount of tableware to be cleaned is small, the solenoid valve is operated to allow the washing water to flow in only one of the upper and lower flow path pipes 10 and 11 The dishwasher is washed. The tableware is loaded on the lower rack 4 and the upper flow path 10 is blocked by the solenoid valve so that the washing water is sprayed to the lower spray arm 6 through the lower flow path pipe 11 to wash the dishes do.

The upper and lower spray arms 5 and 6 are formed with several nozzles N so that the washing water is sprayed through the nozzles N and the spraying force of the washing water sprayed through the nozzles N , The lower spray arms (5, 6) rotate to spray the washing water, and the locus of the washing water sprayed on the tableware is circular.

However, when cleaning is performed using only one of the upper and lower spray arms 5 and 6 in the structure described above, the solenoid valve is used for cleaning, which complicates the structure and control.

As shown in FIG. 2, the locus of the washing water sprayed through the spray gun is circular, and the cross section of the tub 2 on which the dishwasher is mounted is formed in a rectangular shape, The washing water could not reach the corners of the dishwasher 2, and the dishwasher located at the corner could not be cleaned properly.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a washing water dispensing arm of a dishwasher,

Another object of the present invention is to provide a washing water spraying arm of a dishwasher capable of spraying washing water more uniformly to a tableware installed in a tub for washing dishes and improving washing ability.

In order to accomplish the object of the present invention as described above, there is provided a washing machine, comprising: an arm having a connecting part formed at one side thereof, a washing water flow path having a closed end formed therein, and a plurality of jetting ports communicating with the washing water flow path, And a plurality of revolving nozzles formed on an outer circumferential surface of the opening, wherein the plurality of revolving nozzles are formed in the inner circumferential surface of the through hole, And an opening / closing means for opening / closing the washing water flow path of the dishwasher.

The washing water spraying arm of the dishwasher is provided with a guide portion for guiding the spraying of the washing water to the inside of the arm.

And a plurality of rotation nozzles formed on the rotary body are formed at different inclination angles.

And the vanes formed on the rotary body are inclined in one direction.

In addition, the opening / closing means is provided with an insertion portion formed at one side of the arm in a direction perpendicular to the washing water flow path, a handle formed at one side, and an insertion portion inserted into the insertion opening at the other side, The washing water spraying arm of the dishwasher according to the present invention is characterized in that the washing water spraying arm of the dishwasher is provided with a rotation stopper.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a dish washing machine washing water spraying arm according to the present invention will be described with reference to the accompanying drawings.

As shown in FIG. 3, the dishwasher washing water spraying arm of the present invention has a predetermined length and a connecting portion 12a formed on one side thereof, a washing and feeding path F having a closed one side is formed, An arm 12 formed by forming a plurality of jetting ports 12b communicating with the feeding path F at predetermined intervals and a through hole 13a inserted into the arm 12 are formed, Wherein a plurality of vanes 13c are formed in the opening 13b and a plurality of rotating nozzles 13d are formed on the outer circumferential surface of the opening 13b so as to correspond to the injection port 12b, (13) for opening and closing the washing and feeding path (F) of the arm (12).

As shown in FIG. 4, the arm 12 is formed with a guide portion 12c for guiding the injection of the washing water into the injection port 12b, and the guide portion 12c is formed in a curved shape Do.

The opening and closing means is formed with an insertion port 12d in a direction perpendicular to the cleaning and feeding path F at one side of the arm 12, that is, at the connection portion 12a where the cleaning and feeding path F is not blocked, A handle 14a is formed at one side and an insertion portion 14b is formed at the other side to be inserted into the insertion port 12d as shown in Fig. And a rotation stopper 14 formed with a stopper 14c. The rotation stopper 14 is inserted and inserted into the insertion port 12d of the arm 12 by the insertion portion 14b. The diameter of the insertion portion 14b is formed to be equal to or larger than the diameter of the washing and feeding path F formed in the arm 12.

As shown in FIG. 6, the rotary body 13 is formed with a through hole 13a at its center and an outer peripheral surface 13e having a greater diameter than the through hole is formed so as to form a space therein, ) Are formed in the form of a circular ring. The inner circumferential surface formed by the through hole 13b is formed so as to have an opening 13b and a portion where the opening 13b is formed coincides with the ejection opening 12b of the arm 12. In addition, a plurality of vanes 13e are formed on the inner side of the outer circumferential surface 13e, that is, in the inner space, and the vane 13c is formed to be inclined in one direction. A plurality of rotating nozzles 13d are formed on the outer circumferential surface 13e so as to penetrate the inner space, and the rotating nozzles 13d are formed to have different inclination angles.

Hereinafter, the operation and effect of the dish washer washing water spray arm of the present invention will be described.

The dishwasher washing water spraying arm of the present invention is preferably installed between the upper rack 3 and the lower rack 4 of the dishwasher. To this end, the length of the conventional upper flow pipe 10 is reduced, (12a) of the arm (12) through the wall surface of the tub (2) by adjusting the height of the tub (3) and the lower rack (4) do.

First, as shown in FIG. 7, when the dishwasher is mounted on the upper and lower racks 3 and 4, the rotary stopper 14 is rotated first so that the flow passage 14c of the rotary stopper 14 is rotated, When the pressurized washing water flows into the washing and feeding path F of the arm 12 through the flow path 14c via the upper flow path 10 in a state in which the washing and feeding paths f of the arms coincide with each other, The washing water flows into the internal space of the rotating spray body 13 through the spray port 12b and presses the vane 13c and rotates the rotating spray body 13 while being injected through the rotating nozzle 13d. The rotary jetting body 13 is rotated by the engaging portion 12a of the arm 12 and the washing water is sprayed through the rotary nozzle 13d to wash the tableware mounted on the upper and lower racks 3 and 4 do. As shown in Fig. 8, the jetting area of the washing water sprayed on the tableware by the jetting arm is uniformly distributed inside the tub 2. [

The washing water flowing into the lower flow pipe 11 is sprayed through the lower spray arm 6 as in the conventional case.

On the other hand, when the partial washing is performed because the amount of dishware to be cleaned is small, the rotary stopper 14 is rotated so that the flow passage 14c and the cleaning and feeding path F of the arm 12 do not coincide with each other, The washing water is sprayed through the lower spray arm 6 to clean only the dishes placed in the lower rack 4. [

As described above, according to the present invention, the rotary jetting body 13, which is coupled to the arm 12 and injects the washing water, injects the washing water in a direction perpendicular to the arm, so that each part of the tub 12, It is possible to simplify the structure by using the opening and closing means using the rotary stopper 14 instead of the solenoid valve which was conventionally used in the separate washing.

Claims (5)

An arm having a connecting part formed at one side thereof and a washing water flow path with one side blocked and a plurality of injection holes communicating with the washing water flow path are formed at a predetermined interval and a through hole inserted into the arm is formed, A rotary spraying body having an opening coinciding with the jetting port, a plurality of vanes formed in the opening, a plurality of rotating nozzles formed on an outer circumferential surface thereof, and opening and closing means for opening and closing the washing water channel of the arm. Wherein the washing water spraying arm of the dishwasher is characterized by: [2] The washing water injection arm of claim 1, wherein a guide portion for guiding injection of washing water into the injection port is formed in the inside of the arm. The washing water spraying arm of claim 1, wherein the plurality of rotating nozzles formed on the rotating spray body are formed at different inclination angles. The washing water spraying arm of claim 1, wherein the vanes formed on the rotating spray body are inclined in one direction. [3] The apparatus according to claim 1, wherein the opening / closing means comprises: an insertion port formed at one side of the arm in a direction perpendicular to the washing water flow path, a handle formed at one side thereof and an insertion port inserted into the insertion port formed at the other side, And a rotary stopper having a flow passage formed in a vertical direction.