KR20010100652A - Drawer-type Dishwasher - Google Patents

Abstract

The present invention relates to a dishwasher, and more particularly, in a dishwasher having a plurality of dishwashing drawers, the sewage filter device is detachably installed at the same time as unifying the washing apparatuses installed separately for each drawer. A drawer dishwasher.

Accordingly, the present invention provides a plurality of dish washing tanks with spray plates, water supply means for selectively supplying washing water to each of the dish washing tanks, and water collecting means for recovering the wash water delivered to each of the dish washing tanks through the water supply means. Water supply and detachment means installed so that the water supply means is attached to and detached from the dish washing tank when the dish washing tank is opened and closed, the water collecting and detaching means installed so that the water collecting means is detached from the dish washing tank when the dish washing tank is opened and closed; In the case where the recovered washing water is not resupplied by the water supply means, the collected washing water is constituted by a drain pump connected to the collecting means and a flow path so as to discharge to the outside.

Description

Drawer-type Dishwasher

The present invention relates to a dishwasher, and more particularly, in a dishwasher having a plurality of dishwashing drawers, the sewage filter device is detachably installed at the same time as unifying the washing apparatuses installed separately for each drawer. A drawer dishwasher.

As shown in Fig. 1 and Fig. 2, the conventional draw-type dishwasher has a shape such as a drawer that is opened and closed by moving in the front-rear direction, and the dishwashing tank 2 having the door 1 installed therein moves up and down in the outer case 3. A spray plate 4 installed in the lower portion of the dish washing tank so as to spray the washing water into the dishware 10 seated inside each of the dish washing tanks 2 and a flow path to supply the washing water to the spray plate 4. Is connected to the water supply pump 5 is installed in the lower center of the spray plate.

In addition, a drainage part (not shown) provided with a filthy water filter 7 on the upper portion of the wash plate sprayed on each drawer so that the washing water sprayed from the spray plate 4 washes the dishes 10 and is separately collected from the dirt. 4) It is installed in the lower part.

In addition, the sump (8) is connected to the drain (not shown) and the flow path so that the washing water flowing into the drain (not shown) and sent back to the pump is installed in each drawer (8) in the lower position than the drain.

On the other hand, after the dish washing is finished by the dishwasher drain pump (drain pump) installed in the bottom of the pump connected to the sump (8) and the flow path to discharge the sewage collected in the sump (8) ( 6) and a heating plate 9 for heating the washing water flowing into the spray plate 4 so that the dishes are sterilized and dried after the washing, are installed at the bottom of the spray plate 4 of each drawer.

That is, the conventional drawer-type dishwasher is provided with all the devices for washing the dish separately for each washing drawer, and a control unit for adjusting the washing action of each drawer is also provided for each drawer.

However, the dishwasher configured as described above has drawers in which all the devices required for dish washing are integrally formed in layers, and thus, parts are unnecessarily overlapped and the structure thereof becomes complicated, resulting in difficulty in cost increase and production.

In addition, since each drawer is separately supplied with washing water, water consumption is increased, and the electrical energy consumed by the heating plate installed in each floor is also at least twice as high as that of the single-layer washing machine.

On the other hand, since the complicatedly configured mechanisms are installed in the narrow area under each drawer, it is inconvenient for the user to remove and clean the sewage filter located in the apparatus, and to repair the malfunctions of the mechanisms.

In addition, it is difficult to secure a separate space for the sump for supplying the washing water to the sump pump due to the plurality of washing apparatuses located at the bottom of each drawer, and thus serves as the sump at the bottom of the drawer. Compared with the water waste, there is a serious problem.

The present invention has been made to solve the problems of the prior art as described above, by simplifying the structure of the washing machine by unifying the washing devices complex installed in each of the plurality of dish washing tanks installed in a multi-layer dishwasher to simplify the washing water and electric energy It is an object of the present invention to provide a drawer dishwasher with reduced consumption.

1 is a cross-sectional view showing a conventional dishwasher.

Fig. 2 is a sectional view of the main portion “A” of Fig. 1.

Figure 3 is a cross-sectional view showing the overall structure of the dishwasher according to the present invention.

4 is a sectional view showing the principal parts of the "B" part of FIG.

FIG. 5 is a sectional view showing the principal parts of the portion “C” in FIG. 3; FIG.

6 is a perspective view of the filter unit of FIG.

Explanation of symbols for main parts of the drawings

100: feed pump 101: heating device

102: flow path control valve 103: water supply flow path

104: inlet 105: spray plate

106: drain outlet portion 107: drain coupling portion

108: drainage channel 109: water tank

110: filter unit 111: filter door

112: shield door 118: outlet portion

In order to achieve the above object, the present invention provides a plurality of dish washing tanks with spray plates, water supply means for selectively supplying the washing water to each of the dish washing tanks, and recovering the wash water delivered to each of the dish washing tanks through the water supply means. Water collecting means for discharging, the water supply / detachment means installed so that the water supply means is detached from the dish washing tank when the dish washing tank is opened and closed, the water collection / detachment means installed so that the water collecting means is detachable from the dish washing tank when the dish washing tank is opened and closed; It is composed of a drain pump connected to the collecting means and the flow path so that the recovered washing water is discharged to the outside when the water is not re-supplied the wash water recovered by the collecting means.

Referring to the configuration as described above with reference to the drawings as follows.

Figure 3 is a cross-sectional view showing the overall structure of the dishwasher according to the present invention, Figure 4 is a sectional view showing the main portion "B" of Figure 3, Figure 5 is a sectional view showing the main portion "C" of Figure 3, Figure 6 3 is a perspective view showing the filter part.

As shown in FIG. 3, the present invention is provided with two dishwashing tanks 2 having a shape such as a drawer that is opened and closed on an outer case 3 in a layer, and each of the dishwashing tanks 2. Water supply means for supplying the washing water is installed.

On the other hand, the number of the dish washing tank (2) is not limited to two, but two or more can be installed, but the structure of each dish washing tank (2) will be described as an embodiment only when two are installed.

In the lower part of the dish washing tank 2, a dish holder 116 is installed on which dishes are placed, and a spray plate 105 for spraying washing water onto the dishes placed on the dish holder 116 is under the dish holder 116. Is installed.

The water supply means is connected to the water supply pump 100 installed in the dish washer lower portion to pressurize the washing water, and the water supply pump 100 and the flow path control valve 102 to selectively send the wash water supplied from the water supply pump ), And two water supply flow passages 103 connected to the flow control valves to guide the washing water according to the selection of the flow control section 102.

Then, the water supply and detachment means for supplying the washing water delivered through the water supply passage 103 to the spray 105 plate is installed at the end of the water supply passage 103 to change the direction of the flow path toward the dish washing tank 2. The inlet 118 and the inlet 106 are installed in the dish washing tank in parallel with the outlet 118 to guide the washing water to the dish washing tank 2 in combination with the outlet 118.

In addition, the inlet 106 penetrates the bottom surface of the dish washing tank 2 and is connected to the spray plate 116 by a flow path.

The flow path control valve 102 sends the washing water supplied from the water supply pump 100 to two dish washing tanks 2 simultaneously, or selects only one dish washing tank 2 requiring washing to supply washing water. Valve.

That is, the three-way valve is composed of a solenoid valve to operate automatically, or to install the opening and closing plate in the three-way valve to rotate the opening and closing plate to the driver to selectively open and close the inlet of the water supply passages connected to the three-way valve. It is.

Thus, as the dish washing tank 2 increases, the flow path control valve 102 may be provided with a multi-directional valve capable of selectively sending the washing water in more directions.

In addition, as shown in FIG. 4, after the inlet part 104 and the outlet part 118 are combined, a packing 20 made of an elastic body is provided so that the washing water does not leak. 118 is provided in a portion that is in contact with each other, that is, the outer surface of the inlet 104 or the inner surface of the outlet 118.

The packing 20 is effectively installed on the inner surface of the outlet 118 as shown in Figure 4 so that the insertion of the inlet 104 is made smoothly.

The packing 20 is used, such as rubber, synthetic fibers, shield ring.

On the other hand, unlike the above, the outlet 118 may be inserted into the inlet 104 to be installed so that the inlet 104 and the outlet 118 is coupled.

In this case, the packing 20 is installed on the inner side of the inlet 104 or the outer side of the outlet 118.

In addition, unlike the manner in which the outlet 118 and the inlet 104 are detached from each other, as described above, the outlet 118 and the inlet 104 are coupled to a corrugated pipe freely contracting the dish, and thus the dish washing tank. Even if (2) moves to the left or right, it may be installed in a bellows manner that always remains connected.

On the other hand, the collecting means for recovering the wash water delivered by the water supply means is a drainage portion 120 is formed inclined to the lower portion of each dish washing tank so as to recover after the washing water is sprayed through the spray plate, and the drainage portion 120 and A drainage passage 108 receiving the washing water recovered and coupled by the water collecting and detaching means and guiding the outer case 3 to the lower portion, and a water collecting portion for collecting and separating the washing water recovered through the drainage passage 108 from dirt. (C).

The water collecting and detaching means includes a drain outlet 106 connected to a side of the drain 120 by a flow path, and a drain coupler 107 at a position parallel to the drain outlet 106.

The drain coupler 107 is drained out so that the drain discharge part 106 can be inserted into the drain coupler 107 when the dish washing tank 2 is seated in the outer case 3. It is connected to the drain flow path 108 in the shape of a branch pipe at a position parallel to the part 106.

In this case, the outlet portion 118 and the inlet portion 104 of the water supply passage 103 mentioned above are installed to be coupled in the same manner.

In addition, the packing for preventing leakage is installed in the same manner as the portion where the outlet 118 and the inlet 104 are coupled.

On the other hand, the drainage flow path 108 is connected to one side of the upper portion of the collecting portion (C) to guide the wash water recovered by the coupling portion 107 to the collecting portion (C) located under the dishwasher (3).

As shown in FIG. 5, the water collecting unit C is detachably installed in the water collecting unit C, and the filter unit 110 separates dirt from the washing water recovered through the drainage flow path 108. The guide 30 is installed on the side of the water collecting unit C to guide the detachment and detachment of the 110, and the water tank 109 which collects the washing water caught in the dirt while passing through the filter unit 110.

As illustrated in FIG. 6, the filter unit 110 forms a lower portion of the filter unit 110 and includes a sewage collecting container 32 formed of a mesh formed with a lattice having a fine hole so that only washing water passes therethrough, and the waste collecting container. A filter having an inclined flat guide stand 32 provided along an upper circumferential surface of the 32 and a handle 36 formed integrally with the guide stand 34 and attached to the front of the filter part C. The door 111 and the side surface 33 for guiding the washing water entering the filter part by forming both sides of the space between the filter door 111 and the guide stand 32.

In addition, the filth canister 31 to filter out large filths before washing water enters the filth canister 31 and to prevent filth collected in the filth canister 31 from being separated out. On the other hand, the grid 35 formed with a large hole is provided on the upper front surface of the waste collection container 31.

In addition, an opening and closing confirmation switch indicating the state in which the filter unit 110 is correctly seated and coupled to the water collecting unit C on the front lower side of the filter door 111 and in the OFF state when the filter unit is detached. 37 is installed.

Meanwhile, as shown in FIG. 5, the guide line 30, which is guided over the guide stand 32 of the filter unit 110, is guided so that the filter unit 110 enters into the water collecting unit C and is accurately seated. It protrudes long along both sides of the male part C.

Alternatively, the guide line 30 may be formed as a long groove so that the guide bar of the filter unit 110 is inserted into the water collecting unit.

In addition, a water tank 109 that collects water for resupplying or discharging the washing water passing through the filter unit 110 to the outside is installed at the bottom of the collecting unit C.

In addition, the filter door 111 in order to prevent the wash water from leaking to the site where the filter door 111 and the surface portion of the collecting portion (C) in contact with the filter unit 110 is completely seated in the collecting portion (C). ), The shield plate 34 is installed above and below the front surface of the water collecting portion C.

In addition, a shield door 112 that protects the water collecting portion C from the outside and prevents the washing water collected in the water collecting portion C from leaking to the outside by the hinge 39 on the front surface of the water collecting portion C. Coupled to open and close.

On the other hand, when the shield door 112 is closed correctly, the ground projection 38 is formed on the rear of the shield door 112 to be in contact with the opening and closing confirmation switch 37 of the filter door 111.

That is, the ground sensor is installed in the open / close confirmation switch 37 to check the open / closed state of the shield door 112.

As shown in FIG. 2, a supply valve 117 is installed at the side of the outer case 3 so that water is supplied from the outside to the water collecting unit C, and the supply valve 117 is disposed above the water collecting unit C by a flow path. Is connected to the side.

In addition, the water supply pump 100 and the water tank 109 are connected by the guide flow passage 119 so that the water supply pump resuppresses the wash water collected in the water tank 109.

On the other hand, when the dish washing operation is finished without re-watering the wash water recovered by the feed water pump 100, the drain pump 113 for discharging the recovered wash water to the outside is connected to the water tank 109, the lower side Is installed in, the drain pump 113 is provided with a drain hose 115 for guiding the washing water to the outside.

Referring to the operation of the present invention configured as described above are as follows.

As shown in FIG. 3, the inlet 104 installed in the lower portion of the dish washing tank 2 while closing the dish washing tank 2 by seating the dish in the dish receiving tank 2 and closing the dish washing tank 2 is an outlet of the water supply passage. In addition to being inserted into the 118, the drain discharge portion 106 installed in the lower portion of the dish washing tank 2 is also inserted into the drain coupling portion 107 is coupled.

Then, the dish washing tank 2 is in a state where water supply and drainage are possible.

Then, when the user selects one or two dish washing tanks 2 to operate the control unit in which the general washing course of the dish washing machine is input, the control unit preferentially opens and closes the check opening and closing switch 37 of the filter door 111. Check whether the shield door 112 is completely closed and the ground protrusion 38 is in contact with the confirmation switch 37.

If there is no abnormality after the above check, the solenoid valve or the actuator installed in the flow path control valve 102 is operated to open the water supply flow passage 103 connected to the flow path control unit 102 so that the washing water is supplied to the dish washing tank 2 selected by the user. .

At the same time, the water supply pump 100 is operated to supply the washing water from the water collecting part C in which the washing water is collected through the supply valve 117 to the water supply passage 103 selected by the flow path control valve 102.

The washing water supplied to the water supply passage 103 is delivered to the spray plate 105 through the inlet 104, and the spray plate 105 sprays the supplied washing water to the dish to perform a washing operation.

Then, the washing water and the dirt on the tableware are collected together with the drain 120 along the inclined bottom surface of the dish washing tank 2.

The recovered washing water is guided to the drain passage 108 through a flow path generated by the combination of the drain outlet 106 and the drain coupler 107 connected to the drain 120, and the drain passage 108 is recovered. The washed water is delivered to the collecting part (C).

As such, the collected wash water entering the water collecting part C passes through the waste water collecting container 31 of the filter unit 110, while the dirt remains inside the waste water collecting container 31 and the filtered washing water is the filter unit C. It is collected in the water tank 109 located below.

The washing water collected in the water collecting part C is continuously supplied to the dish washing tank 2 by the feed water pump 100 during the washing operation, and the above-described operation is repeated.

On the other hand, during the hot water rinsing during one of the cleaning courses, the heating device 101 installed between the water supply pump 100 and the flow path control valve 102 operates to convert the washing water supplied from the water supply pump 100 into the hot water state.

After all the above washing operation is completed, the drain pump 113 is operated to discharge the washing water collected in the water tank 109 of the water collecting unit C to the outside to finish all the cleaning work.

Meanwhile, in order to remove the dirt caught in the filter unit 110, the shield door 112 is opened, and when the filter door 111 of the filter unit 110 is pulled out, the guide line installed at the side surface of the water collecting unit c ( The filter unit 110 is separated from the water collecting unit C along 30.

Then, the filter unit 110 is washed separately.

On the contrary, when the filter unit 110 is coupled to the water collecting unit C, the guide stand 32 of the filter unit 110 is placed on the guide line 30 until the confirmation opening and closing switch 37 is turned on. Push the filter door 111 is coupled to the water collecting part (C).

As described above, the present invention simplifies the structure by unifying the water supply pump and the drainage pump provided in each dish washing tank and reducing the power consumption and water consumption compared to the conventional drawer type washing machine.

The structure of the dishwashing tank is simplified and a plurality of dishwashing tanks can be manufactured at the same time, or alternatively, by presenting a dishwasher capable of supplying and draining washing water.

Since dirt collected from each dish washing tank can be easily removed by a detachably installed filter unit, the filter unit is semi-permanently used to prevent odors caused by dirt remaining in the dish washing machine and hygiene management of the dish washing tank. Can be.

In addition, the structure of the dish washing tank is simplified so that the user can easily attach and remove the cleaning and there is no problem that the main devices installed during the cleaning operation can be damaged.

Claims (9)

Multiple dish wash tanks with spray plates, Water supply means for selectively supplying washing water to each of the dish washing tanks; Collecting means for recovering the washing water delivered to each of the dish washing tanks through the water supply means; A water supply / detachment means installed to detach the water supply means from the dishwashing tank when the dishwashing tank is opened and closed; A collection / detachment means for installing and detaching water collecting means detachable from the dish washing tank when the dish washing tank is opened and closed; And a drainage pump connected to the collecting means and the flow path so that the collected washing water is discharged to the outside when the washing means does not refill the washing water collected by the collecting means. The method of claim 1, The water supply means; Feed water pump for pressurizing the washing water, A flow path control valve for selectively sending the washing water supplied from the feed water pump; And a plurality of water supply passages connected to each of the dish washing tanks by the water supply / removable means to be connected to the flow path control valve to guide the washing water. The method of claim 2; Water supply and detachment means; An outlet part installed at an end of the water supply passage to change the direction of the flow path in the direction of the dish washing tank; And an inlet installed in the dish washing tank in parallel with the outlet to guide the washing water to the dish washing tank. The method of claim 3, wherein Drawer type dishwasher, characterized in that the inlet and outlet portion is provided with a corrugated pipe that is free to relax contraction. The method of claim 2, Drawer type dishwasher, characterized in that the heater is installed on the flow path connected to the water supply pump and the flow path control valve is installed to convert the water into hot water. The method of claim 1, Collecting means; A drain portion formed to be inclined under each of the dish washing tanks so that the washing water supplied from the water supply means is sprayed through the spray plate and recovered; A drainage passage configured to receive the washing water coupled and collected by the drainage unit and the water collecting and detaching unit and to guide the dishwasher under the dishwasher; And a water collecting unit configured to collect and separate the washing water collected through the drainage passageway from the dirt. The method according to claim 1 or 6, Collection and removal means; A drain outlet part connected to the drain side by a flow path; Drawer type dishwasher, characterized in that consisting of a drain coupling portion installed in the form of a branch pipe in the drain flow path horizontally with the drain outlet. The method of claim 6, Catchment section; A filter unit detachably installed in the water collecting unit and separating dirt from the washing water recovered through the drainage passage; Guidelines installed on the side of the water collecting unit to guide the removal of the filter unit, Drawer type dishwasher, characterized in that consisting of a water tank for collecting the washing water caught in the filter while passing through the filter. The method of claim 8, A filter unit; A waste collection container formed with a fine hole in the whole surface so as to separate and store the waste from the washing water delivered from the drainage passage, A filter door coupled to the waste container and installed at the front of the filter unit, And a guide bar installed at an inclined side of the filter unit so that the filter unit is guided by being inserted into the guide line of the collecting unit when the filter door is pulled or pushed from the outside.