JP2006122360A - Dishwasher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dishwasher having no possibility of overturn without paying attention to how to use a dish storage basket. <P>SOLUTION: This dishwasher is provided with a washing tub, the dish storage basket being freely loaded/unloaded from the washing tub, and a lid opening/closing a loading/unloading opening part of the washing tub. The dish storage basket is formed into upper/lower two stages and is provided with basket locking means restricting the dish storage basket from being pulled out respectively and, when one dish storage basket is pulled out, the basket locking means of the other dish storage basket is restrictingly operated. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a dishwasher that performs washing by spraying washing water onto dishes.

  This type of dishwasher has a structure including a washing tank, a tableware storage case that can be inserted into and removed from the washing tank, and a lid that opens and closes the opening and closing opening of the washing tank. Patent document 1 is illustrated for reference.

JP 2003-304996 A

  The tableware storage basket is pulled out and put out. If you pull out the upper and lower tableware baskets at once, it will become unstable and the dishwasher will fall down. It is used in such a way as to keep it from falling by placing a light tableware in the front and a heavy tableware in the back of the tableware basket.

  An object of the present invention is to provide a dishwasher that copes with the above-mentioned problem of falling and does not have the risk of falling without paying attention to how to use the tableware storage basket.

  The present invention is a dishwasher having a washing tub, a dish storage basket that can be taken in and out of the washing tub, and a lid that opens and closes the opening and closing opening of the washing tub. Are provided in two upper and lower stages, and are restrained so that when one tableware storage basket is pulled out, the other tableware storage basket is not pulled out.

  According to the present invention, since the upper and lower tableware baskets are not pulled out at a time, the dishwasher is prevented from falling.

  Description will be made based on examples according to the embodiment of the present invention.

  First, the outline of the dishwasher will be described with reference to FIGS.

  A washing tank 2 is provided in the outer frame body 1 of the dishwasher. A cleaning tank base 3 is provided below the cleaning tank 2. The cleaning tank 2 and the lower cleaning tank base 3 are made of synthetic resin, and a thin stainless steel plate is attached to the inner surface of the cleaning tank 2. The lower end of the cleaning tank 2 and the upper end of the cleaning tank base 3 are joined so as to maintain watertightness.

  The cleaning tank 2 has an opening on the front surface, and is provided with upper / lower lids 4 and 5 for opening and closing the opening. The upper / lower lids 4 and 5 are opened so as to be separated into upper and lower parts, but can be formed as a single lid.

  The cleaning tank base 3 is provided with a rotary spray nozzle 6. The rotating spray nozzle 6 sprays cleaning water into the cleaning tank 2 while rotating, and cleans dishes that fit in a tableware storage basket, which will be described later. A cleaning pump (not shown) is placed below the cleaning tank base 3 and pressurizes and supplies cleaning water to the rotary spray nozzle 6.

  The water reservoir 15 is formed to be recessed downward in the cleaning tank base 3. The water reservoir 15 is recessed from the front side to the left side of the cleaning tank base. This water reservoir 15 is lower than where the rotary spray nozzle 6 is provided, and the wash water collects and accumulates. An electric heater 7 is placed in the water reservoir 15 on the front side.

  Further, the outer frame body 1 is provided with a drainage pump (not shown), a blower fan (not shown), and a water supply valve (not shown).

  An operation panel 8 is provided on the lower front surface of the outer frame body 1. The operation panel 8 includes a display unit 28, an input unit 29, and a control device which will be described later.

  Next, a control circuit of the control device will be described with reference to FIG.

  A load control means 20 is connected to a commercial power source, and a drain pump 21, a water supply valve 22, a washing pump 23, a car lock means 24, and a blower means 25 are connected to the load control means 20.

  The control means 26 is mainly composed of a microcomputer and is connected to a commercial power supply via a power supply circuit 27. The power supply circuit 27 converts alternating current into direct current and supplies direct current electricity to the control means. The display means 28, the input means 29, and the car detection means 30 are connected to the control means 26.

  Next, the tableware basket, the car detection means and the car lock means will be described with reference to FIGS.

  The upper table storage basket 50 and the lower table storage basket 51 are provided in the washing tank 2 of the outer frame main body 1 so as to be freely inserted and removed. A guide rail (not shown) is provided in the washing tank 2, and the tableware storage baskets 50 and 51 are taken in and out using the guide rail as a guide. The lower tableware basket 51 is pulled out so as to be placed on the inner upper surface of the opened lower lid 5.

  A car detection switch 52 is provided inside the cleaning tank 2 corresponding to the back end of the guide rail. A switch pushing member 53 is provided at the rear end of the tableware baskets 50 and 51. The switch pressing member 53 and the car detection switch 52 constitute a car detection means 30. The car detection means 30 is provided corresponding to the tableware storage baskets 50 and 51 on the upper and lower sides. The car detection switch 52 is turned OFF when the tableware storage baskets 50 and 51 are pulled out, and is turned ON when pushed back.

  The car lock means 24 is provided on the opening side of the cleaning tank 2. The basket lock means 24 has a stopper (not shown) that can be moved in and out, and restrains the tableware baskets 50 and 51 from being pulled out when the stopper protrudes. The restraint operation of the basket lock means 24 restrains the drawers of the tableware storage baskets 50 and 51, and the restraint release of the basket lock means 24 enables the drawers of the dish storage baskets 50 and 51.

  The car detection means 30 and the car lock means 24 have the following relationship.

  As shown in FIG. 5, when the upper / lower lid is closed and the tableware baskets 50 and 51 are pushed back, the upper / lower car detection means 30 is ON, and the car lock means 24 is restrained. It has been released.

  When the upper tableware basket 50 is pulled out, the upper car detection means 30 is turned OFF, and the control means 26 performs a restraining operation (locking) on the lower car lock means 24 by reading this OFF signal. For this reason, the drawer of the lower tableware storage basket 51 is restrained. At this time, since the control means 26 instructs the upper car lock means 24 to release the restraint, the upper tableware basket 50 can be pulled out.

  When the upper tableware basket 50 is pushed back and stored in the cleaning tank 2, the upper basket detector 30 is turned on. When the upper car detecting means 30 is turned on, the restraint of the lower car locking means 24 is released and the lock is released. Here, when the lower tableware basket 51 is pulled out, the lower car detection means 30 is turned OFF, and the control means 26 reads the OFF signal and causes the upper car lock means 24 to be restrained (locked). For this reason, the drawer of the upper tableware basket 50 is restrained.

  Thus, when the upper tableware basket 50 is pulled out, the lower basket lock means 24 is restrained and the drawer of the lower tableware basket 51 is restricted. On the contrary, when the lower dish basket 51 is pulled out, the upper basket lock means 24 restrains and restrains the drawer of the upper dish basket 50, so that the upper / lower dish basket storage 50, 51 at a time. Can not be pulled out. For this reason, the upper / lower tableware baskets 50 and 51 are pulled out together to lose the balance, and the problem that the dishwasher falls forward is prevented.

  As shown in FIG. 3, it is desirable that the upper tableware basket 50 be prevented from being pulled out to the rear end in consideration of prevention of falling. If the angle θ when the upper lid 4 is fully opened is 45 ° or more, tableware can be easily put in and out of the tableware storage basket 50. The angle θ is an opening angle between the lower end surface of the upper lid 4 and the upper surface of the tableware storage basket 50 with the rear end of the upper surface of the tableware storage basket 50 as a base point.

  As shown in FIG. 3, the outer frame body 1 of the dishwasher has support legs 60 at the lower part. The front support legs 60 are disposed at both the left and right ends of the front side, avoiding the notch recesses 60 provided in the lower front portion of the outer frame body 1. Thereby, the front support leg 60 can be provided on the front surface of the outer frame main body 1 as much as possible, which helps prevent the dishwasher from falling.

  Next, a description will be given of a response when the upper / lower tableware baskets 50 and 51 are likely to be pulled out at the same time.

  The upper / lower car detecting means 30 accompanying the simultaneous withdrawal of the tableware storage baskets 50 and 51 simultaneously outputs an OFF signal. When the control means 26 reads the OFF signal at the same time, the control means 26 has an instruction function for restricting only one of the car lock means 24.

  Thereby, even if it is going to pull out the tableware baskets 50 and 51 simultaneously, one tableware basket is restrained and simultaneous withdrawal of the upper / lower tableware baskets 50 and 51 is prevented.

The front view of the dishwasher which shows the Example concerning embodiment of this invention. The perspective view of the dishwasher which shows the Example concerning embodiment of this invention and remove | eliminated the upper / lower side cover. The figure which shows the Example which concerns on embodiment of this invention, and shows drawing-out operation of the upper / lower tableware basket. The control circuit of the control apparatus of a dishwasher which shows the Example concerning embodiment of this invention. The figure which shows the Example concerning embodiment of this invention, and shows the operation | movement relationship between a car detection means and a car lock means.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Main body, 2 washing tanks, 3 ... Washing tank base, 4 ... Upper lid, 5 ... Lower lid, 6 ... Rotary injection nozzle, 7 ... Electric heater, 8 ... Operation panel, 15 ... Water reservoir, 20 ... Load control means, DESCRIPTION OF SYMBOLS 21 ... Drain pump, 22 ... Water supply valve, 23 ... Washing pump, 24 ... Car lock means, 25 ... Blower fan, 26 ... Control means, 27 ... Power supply circuit, 28 ... Display means, 29 ... Input means, 30 ... Car detection Means: 50 ... upper tableware storage basket, 51 ... lower tableware storage basket, 52 ... car detection switch, 53 ... switch pushing member, 60 ... support leg.

Claims (4)

In a dishwasher having a washing tank, a dish storage basket that can be freely put in and out of the washing tank, and a lid that opens and closes the opening and closing opening of the washing tank,
The dishwasher is provided in two upper and lower stages in the washing tub, and is restrained so that when one tableware storage basket is pulled out, the other tableware storage basket is not pulled out. In a dishwasher having a washing tank, a dish storage basket that can be freely put in and out of the washing tank, and a lid that opens and closes the opening and closing opening of the washing tank,
The tableware storage basket is provided in two upper and lower stages in the washing tank, and each includes a basket lock means for restraining the tableware storage basket from being pulled out;
A dishwasher characterized in that when one tableware basket is pulled out, the basket lock means of the other tableware basket is actuated. In claim 2,
The dishwasher characterized in that the basket lock means has a stopper that can be moved up and down. In claim 2,
Each has a basket detection means to detect the loading and unloading of the tableware storage basket,
A dishwasher characterized in that when one basket detecting means detects the drawer of a dish storage basket, the other table storage basket lock means operates to be restrained.

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