KR100635633B1 - Dishwasher - Google Patents

Abstract

The present invention relates to a dishwasher, comprising: a main body forming an exterior and opening a front surface thereof; A washing tank provided in the main body to wash dishes; A door installed to be opened and closed at the front of the main body; A dish storage rack slidingly inserted into the washing tank; A spray nozzle installed at a lower portion of the dish storage rack; A washing pump for supplying pressurized washing water to the spray nozzle; A collecting part installed at a lower part of the washing tank and collecting washing water; A filter device installed in the water collecting unit and separating and filtering the pollutants washed from the washing water; A drain pipe installed in the water collecting unit and discharging the washed water which has been cleaned; And a drain pump installed in the drain pipe and forcibly discharging the washing water. According to the present invention, a filter device is installed in a water collecting unit so that a large amount of contaminants remain in the dishwasher. It is easy to use because it can be dishwashed immediately, and the filter device can separate large contaminants and small contaminants, so that the wash water is circulated smoothly, and the fine contaminants are prevented from being recycled. It can be effected to improve the washing performance of the tableware.

Dishwasher, Filter

Description

Dishwasher {DISHWASHER}

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

2 is a cross-sectional view showing a dishwasher according to the present invention;

3 is a perspective view illustrating main parts of the conveying means in FIG. 2;

4A and 4B show an operating state of the present invention.

<Description of the code | symbol about the principal part of drawing>

A: dishwasher 10: main unit

16: washing tank 20: door

26: dish storage rack 30: jet nozzle

40: washing pump 50: water collecting part

52: weight detection sensor 60: filter device

70: transfer means 71: first roller

73: second roller 75: belt

75A: discharge hole 77: drive motor

80: filter case 81: cover

86: filter 88: spring

90: drain pipe 92: drain pump

The present invention relates to a dishwasher, and in particular, by installing a filter unit in the water collecting unit, even if there is a large amount of contaminants, the dishwashing can be performed immediately without pre-rinsing, and it is possible to separate large particles and small particles. The present invention relates to a dishwasher capable of preventing clogging of wash water due to contaminants.

In general, the dishwasher is a device for automatically washing and drying the dishes, and cleans the foreign substances of the dishes stored in the dish rack by the spray water pressure of the washing water sprayed through the spray nozzles installed in the washing chamber, and the washing is completed. After that, the washing water on the dishes is dried.

1 is a cross-sectional view showing a dishwasher according to the prior art.

As shown in FIG. 1, the dishwasher A is provided with a washing tank 106 in which dishes are washed inside the main body 100 forming an exterior thereof, and one side thereof is opened to store the dishes in the washing tank 106. And door 110 for opening and closing one side of the cleaning tank 106 to be withdrawn is installed.

The door 110 is installed so that the lower end is hinged to the opening of the main body 100 so as to rotate up and down and open and close, and inside the dish storage rack 116 made of a wire mesh in the form of a net for storing dishes and the like. ) Is accepted.

The inner lower portion of the washing tank 106 is provided with a plurality of spray holes 122 and rotatable spray nozzles 120 are installed to spray the washing water toward the upper dish storage rack 116, the washing tank 106 of the In the lower part, a washing pump 130 is installed to suck the washing water inside the washing tank 106 and pressurize the washing nozzle 120.

In addition, a water supply pipe 136 having a water supply valve 137 is provided at the upper rear side of the washing tank 106 to supply the washing water to the inside of the washing tank 106, and the washing water and the dirt are collected at the lower portion of the washing tank 106. A water collecting unit 140 recessed to a predetermined depth is formed.

And the water collecting unit 140 is provided with a filter 142 for filtering the washed dirt.

At this time, the suction pipe 132 of the washing pump 130 is connected to one side of the collecting part 140 so that the washing water filtered through the filter 142 can be recycled. In addition, the water collecting unit 140 is connected to the drainage pipe 150 to enable the drainage of the washing water after the end of the washing operation, the drainage pipe 150 is provided with a drain pump 152 for forced discharge of the wash water.

On the other hand, reference numeral 110A is a glass installed in the door 110 so that the naked eye can check the internal space of the washing tank (110).

The dishwasher A configured as described above opens the door 110 and draws out the dish storage rack 116 from the main body 100, and after storing the dishes in the drawn dish storage rack 116, the dish storage rack is withdrawn. Push 116 into the body 100.

In this state, when the washing pump 130 is operated, the washing water is supplied through the suction pipe 132 and sprayed to the dishes stored in the dish storage rack 116 by the spray nozzle 120 to wash the dishes. After washing, the washing water buried in the dishes is dried by the heater 160 installed at the bottom of the dish storage rack 116.

Then, the washing water sprayed through the injection nozzle 120 to finish the washing action of the tableware falls to the bottom of the washing tank 106 and is collected into the water collecting unit 140, the foreign matter is filtered while passing through the filter 142, and then again It is circulated through the suction pipe 132 supplied to the washing pump 130, and when the washing of the dishes for a predetermined time is stopped, the operation of the washing pump 130 is stopped and the drain pump 152 is operated drain pipe 150 Through the wash water is discharged to the outside.

However, since the dishwasher has a limitation of the filter 142 that filters foreign substances such as contaminants, when there are a lot of contaminants such as food waste, the user has to pre-wash the dishes in advance and then dishwashing is inconvenient. In addition, when contaminants having relatively large particles are collected in the collecting unit 140, the contaminants do not pass through the suction pipe 132 through the filter 142 and are caught by the suction pipe 132, so that the washing water circulates smoothly. There was a problem in that the performance of the washing pump 130 and the injection force of the injection nozzle 120 was lowered thereby deteriorating the performance of the dishwasher A and the reliability of the product.

The present invention has been made to solve the problems of the prior art as described above, the technical problem of the present invention, by installing a filter unit in the water collecting unit, even if there is a lot of contaminants can perform dish washing immediately without pre-rinsing, particles The present invention provides a dishwasher capable of separating large contaminants and small contaminants to prevent clogging of the wash water due to contaminants.

Technical problem for achieving the above object,

A main body 10 forming an appearance and having an open front surface;

A washing tank 16 provided inside the main body 10 to wash dishes;

A door 20 installed on the front of the main body 10 to be opened and closed;

A dish storage rack 26 slidingly inserted into the washing tank 16;

A spray nozzle 30 installed below the dish storage rack 26;

A washing pump 40 for supplying pressurized washing water to the spray nozzle 30;

A collecting part 50 installed at a lower part of the washing tank 16 and collecting washing water;

A filter device (60) installed in the water collecting part (50) to filter out contaminants washed from the washing water;

A drain pipe 90 installed at the water collecting part 50 to discharge the washed water to the outside; And

It is achieved by providing a dishwasher, characterized in that it comprises a drain pump 92 installed in the drain pipe 90 for forcibly discharging the washing water.

When described in detail with reference to the accompanying drawings a preferred embodiment of the present invention having the above characteristics as follows.

In the accompanying drawings, Figure 2 is a cross-sectional view showing a dishwasher according to the present invention, Figure 3 is a perspective view of the main portion showing the conveying means in Figure 2, the present invention dishwasher (A), even if there is a lot of contaminants without pre-rinsing Washing all tableware at once and separating large contaminants and small contaminants can provide clean water to improve the performance of the washing pump and the spraying power of the spray nozzle.

Such a dishwasher (A), as shown in Figures 2 to 3 is provided with a washing tank 16 for washing the dishes in the interior of the main body 10 having an appearance and the front opening, one side is open The door 20 is opened and closed to open and close one side of the washing tank 16 so that the dishes can be stored and taken out in the washing tank 16.

The door 20 is installed so that its lower end is hinged to the opening of the main body 10 so as to rotate up and down and open and close, and inside the dish storage rack 26 made of a wire mesh in the form of a net for storing dishes. ) Is slidably inserted.

The lower part of the dish storage rack 26 is provided with a spray nozzle 30 to spray the washing water toward the dish storage rack 26.

The lower portion of the washing tank 16 is provided with a washing pump 40 for sucking the washing water in the washing tank 16 to pressurize and supply the spray nozzle 30.

In addition, a water supply pipe 46 having a water supply valve 47 is provided at an upper portion of the rear side of the washing tank 16 to supply the washing water to the inside of the washing tank 16, and the lower portion of the washing tank 21 collects washing water and dirt. The water collecting part 29 recessed to a predetermined depth is formed.

The lower part of the washing tank 16 is provided with a collecting part 50 in which washing water and contaminants are collected.

In addition, the collecting unit 50 is provided with a filter device 60 that can filter the large particles and small particles of contaminants washed from the wash water.

The filter device 60 is installed on one side of the water collecting unit 50 to transfer contaminants, and is installed on one side of the water collecting unit 50 to be transferred through the transporting means 70. Filter case 80, the cover 81 is hinged to the opening and closing the cover 81, the filter 86 is installed inside the filter case 80 to filter the contaminants, and the filter case ( It consists of a spring 88 is installed between the bottom surface 80 and 80).

The transport means 70 is wound around the first roller 71 and the second roller 73 and the first roller 71 and the second roller 73 which are installed to be spaced apart from each other by a predetermined distance. A plurality of discharge holes 75A are formed with a belt 75 formed at regular intervals so that relatively small contaminants in the material can pass through and collect in the water collecting part 50.

Subsequently, at least one of the first roller 71 and the second roller 73 is provided with a drive motor 77 for transmitting the rotational force.

On the other hand, the water collecting unit 50 is provided with a weight sensor 52 for detecting the weight of the contaminants collected inside the filter case (80).

Subsequently, the suction pipe 42 of the washing pump 40 is connected to one side of the collecting part 50 so that the washing water filtered through the filter 86 is recycled.

In addition, the water collecting unit 50 is connected to the drainage pipe 90 so that the drainage of the washing water after the washing operation is completed, and the drainage pipe 90 is provided with a drain pump 92 for forcibly discharging the washing water.

On the other hand, between the washing tank 16 and the lower injection nozzle 30 is provided with a heater 50 for heating the supplied wash water.

Reference numeral 22A is a glass installed in the door 20 to visually check the space inside the washing tank 16.

The operation of the present invention configured as described above will be described below.

If you want to use the dishwasher (A), open the door 20, draw out the dish storage rack 26 from the main body 10, put the dishes in the drawn dish storage rack 26, and then put the dish storage rack ( 26) into the body (10).

In this state, the dishwasher A is operated. Then, the washing pump 36 is operated, the washing water is supplied through the suction pipe 42 by the operation of the washing pump 36 is supplied into the washing tank 16 by the injection nozzle 30, the washing tank 16 The washing water supplied into the washing water is collected through the water collecting part 50 provided in the lower portion of the washing tank 16 while washing the dishes stored in the dish storage rack 26. In the process of washing water being collected into the water collecting part 50, The apparatus 60 separates contaminants having a particle size larger than the discharge hole 75A size of the belt 75 and contaminants having a particle size larger than the discharge hole 75A size among the contaminants contained in the washing water. do.

That is, the washing water washing the dishes falls on the belt 75 of the conveying means 70, and in the washing water falling on the belt 75, than the discharge hole 75A of the belt 75 among the contaminants contained in the washing water. The contaminant having a smaller size passes through the discharge hole 75A of the belt 75 and collects in the water collecting part 50, and the contaminant having a larger size than the discharge hole 75A is placed on the belt 75. See FIG. 4A)

Here, the operation of the transfer means 70 will be described briefly, the drive motor 77 is operated by the operation of the dishwasher A, and the drive motor 77 is installed by the operation of the drive motor 77. The first roller 71 rotates, and the belt 75 wound around the first roller 71 and the second roller 73 rotates by the rotation of the first roller 71.

Subsequently, the large particles of contaminants placed on the belt 75 of the conveying means 70 operated as described above are transferred to the filter case 80 by the rotation of the belt 75 to the inside of the filter case 80. The large contaminants collected in the filter case 80 are collected by the filter 86 installed inside the filter case 80 (see FIG. 4B).

Subsequently, the washing water filtered by the filter device 60 is circulated into the washing tank 16 through the suction pipe 42 by the operation of the washing pump 40, and the dish washing is performed. While the operation of the washing pump 40 is stopped, the drainage pump 92 is operated and the washing water is discharged to the outside through the drainage pipe 90. At this time, the contaminants having small particles collected in the water collecting tank 50 through the discharge holes 75A of the belt 75 are discharged to the outside as the washing water is discharged to the outside.

Then, the circulated water is heated by a heater 56 installed between the washing tank 16 and the spray nozzle 30 before being collected by the water collecting unit 50, thereby increasing its temperature and increasing the washing effect.

On the other hand, when contaminants are collected in the filter case 80, while the filter gauge 80 is moved downward by the weight of the contaminant, the spring 88 is compressed as shown in 4b, the filter case 80 When a certain amount of contaminants are detected by the weight sensor 52, the weight sensor 52 sends a signal to the control unit (not shown) and the control unit receiving the signal of the weight sensor 52 is a printed circuit installed in the control panel The PCB which sends a signal to the PCB and receives a signal from the controller sends a signal to the filter cleaning display LED (not shown) to turn on the filter cleaning display LED.

Then, the user opens the upper part of the filter case 80 by rotating the cover 81 covered on the upper part of the filter case 80 upward by the lighting of the filter cleaning display LED.

When the upper portion of the filter case 80 is opened, the user may take out the filter 86 inserted into the filter case 80 and clean the filter 86.

Then, the cleaned filter 86 is inserted into the filter case 80 again, and then the cover 81 is closed. In this state, the dishwasher A may be used.

As described in detail above, according to the present invention of the dishwasher, a filter device is installed in the water collecting unit so that even if a large amount of contaminants remain in the dishware, the dishwasher can be directly washed in the dishwasher without preliminary washing, and it is easy to use the filter. The device can separate large particles and small particles, so that the wash water can be circulated smoothly. Also, fine particles can be prevented from being recycled, which can improve the washing performance of the dishes. have.

While the invention has been shown and described with respect to certain preferred embodiments thereof, the invention is not limited to the embodiments described above, and is typically defined in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Anyone with knowledge of the world can make many variations.

Claims (5)

A main body 10 forming an appearance and having an open front surface; A washing tank 16 provided inside the main body 10 to wash dishes; A door 20 installed on the front of the main body 10 to be opened and closed; A dish storage rack 26 slidingly inserted into the washing tank 16; A spray nozzle 30 installed below the dish storage rack 26; A washing pump 40 for supplying pressurized washing water to the spray nozzle 30; A collecting part 50 installed at a lower part of the washing tank 16 and collecting washing water; A filter device (60) installed in the water collecting part (50) to filter out contaminants washed from the washing water; A drain pipe 90 installed at the water collecting part 50 to discharge the washed water to the outside; And It is installed in the drain pipe 90 and includes a drain pump 92 for forcibly discharging the washing water, The filter device 60 A transfer means 70 installed at one side of the water collecting part 50 to transfer contaminants; A filter case 80 installed at an inner side of the water collecting part 50 to collect contaminants conveyed through the transfer means 70 and having a cover 81 hinged to be openable and closed at an upper portion thereof; A filter 86 installed inside the filter case 80 to filter contaminants; And Dishwasher, characterized in that consisting of a spring 88 is installed between the filter case 80 and the bottom surface of the water collecting unit (50). delete The method of claim 1, wherein the transfer means 70 A first roller 71 and a second roller 73 installed to be spaced apart from each other by a predetermined distance; The plurality of discharge holes 75A are wound around the first roller 71 and the second roller 73 so that relatively small contaminants from the washed contaminants may pass through and collect in the water collecting part 50. Dishwasher, characterized in that consisting of a belt 75 formed at intervals. The method according to claim 3, At least one of the first roller (71) and the second roller (73) is a dishwasher, characterized in that the drive motor 77 for transmitting a rotational force is installed. The method according to claim 1, The water collecting unit (50) is a dish washer, characterized in that the weight sensor 52 is installed to detect the weight of the contaminants collected in the interior of the filter case (80).

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