JP3519011B2 - Dishwasher - Google Patents

Description

Detailed Description of the Invention

[0001]

[Field of the Invention The present invention relates to an improvement of La <br/> Kkureru in dishwashers.

[0002]

2. Description of the Related Art Dishwasher rack rails are provided to guide the loading and unloading of racks containing dishes to a predetermined position. Normally, a pair of left and right ends support the left and right ends of the rack. It has become.

[0003]

By the way, the conventional rack rails focus on supporting the racks, and not only obstruct the flow of washing water, but also the residue washed off from the dishes on the rack rails. May remain in the.

The present invention addresses the above-noted problems by providing a wash.
At the bottom of the cleaning nozzle, which rotates by reaction from the injection of purified water
The left and right sides that guide and support the loading and unloading of racks containing dishes inside the both side walls of the washing tank
Place the pair of rack rails above the rotating surface of the cleaning nozzle.
In disposed the dishwasher so as to be positioned, the cleaning
Penetration that opens above and below the rotation trajectory of the nozzle
Make holes in each of the rack rails and
A part of cleaning water sprayed from the cleaning nozzle through the through hole
Spouts upward toward the tableware stored in the rack rail
Then, the washing water after washing through the same through hole is used for the washing tank.
Dishwashing characterized by flowing down to the bottom of
Machine.

[0005]

Action and effect of the invention The food of the present invention constructed as described above
In the case of a washing machine, the position above the rotation path of the washing nozzle
Place it on both rack rails.
Provided and sprayed from the cleaning nozzle through these through holes
A part of the washed water is jetted upward and washed through the same through hole.
The cleaning water after cleaning was allowed to flow down to the bottom of the cleaning tank.
By doing so, it is stored in the rack that has been loaded into both rack rails.
It is possible to enhance the cleaning effect on the tableware that has been washed, and it is also possible to wash away the residue that remains on the rack rail after being washed from the tableware by the water that flows on the rack rail and drops through the through holes. It is possible to reduce the amount of residue left on the rack rail and keep the rack rail clean.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. In the dishwasher shown in FIGS. 1 and 2, a washing tank 13 and a pair of left and right rack rails 15 and 16 are provided above a frame 11 installed on the floor.
Also, the front guide 17 and the top panel 21 are integrally assembled, and the door 23 is rotatable (handle 2
3a) which can be opened and closed), and the cleaning pump 27, which is mounted on the base plate 25 of the frame 11,
Control box 29, rinse tank (having a sheathed heater for heating inside) 31, rinse pump (not shown), cleanser pump 33 (pump for supplying cleanser into the cleaning tank 13 from an external cleanser tank not shown) ) Etc. are assembled.

In this dishwasher, the rack rails 15 and 16 are fitted with stoppers 18, 18 for defining the closed position of the door 23, and the top panel 21 is provided with a stopper 22 for defining the open position of the door 23. Assembled, spring 24 between top panel 21 and door 23
(The door 23 is held when the door is opened and the door 23 is held when the door is closed.
The thing that suppresses the drop of its own weight) is installed. Also,
A front panel 35 (in which an operation panel 34 is incorporated) is provided on the front surface of the frame 11, side panels 37 (not shown on the left side) are provided on both side surfaces, and a fan motor for exhaust heat (a washing tank not shown) is provided on the back surface. 13 and base plate 2
5 and a rear panel (not shown) in which air is discharged from the inside surrounded by each panel is assembled (see FIG. 1). The frame 11
The base plate 25 has a double structure of an upper plate and a lower plate, and the outside airflow inlets 25a (the ones provided on the upper plate are shown in FIG. 2) provided on each plate are displaced in the horizontal direction. It is provided so that water cannot easily enter from the floor side.

The cleaning tank 13 is formed to have an opening at the top, and stores a predetermined amount of cleaning water at the bottom thereof. A lower header 41 penetrates the bottom wall at the center of the bottom wall and is integrally formed. In addition, a pump filter 45 that integrally includes an overflow pipe 43 and removes a small residue is detachably attached to a recess provided in the front of the bottom wall. Further, a slope 47 for guiding water forward and tank filters 48, 49 for removing large residues are detachably attached to the intermediate step portion of the washing tank 13, and the washing tank 13 has a washing step on the rear side of the intermediate step portion. water induction duct 51, to excessive water induction pipe 55 or the like is assembled. A sheath heater (not shown) for heating the cleaning water is attached to the bottom right side of the washing tank 13, and a heater cover 57 is attached.

As shown in FIGS. 2 and 3, the slope 47 has ten rectangular holes 47a, and each rectangular hole 4
7a is provided with a fine mesh 47b through which water (wash water after washing dishes and a part of rinsing water after rinsing dishes) is also applied to the rear bottom of the washing tank 13. It is supposed to flow in. Therefore, part of the wash water circulated and supplied by the wash pump 27 during the washing process flows into the rear bottom portion of the wash tank 13, and the wash water heated by the sheath heater and heated to the rear bottom portion of the wash tank 13. The retention of the cleaning water is prevented, and the temperature of the cleaning water circulated and supplied by the cleaning pump 27 is prevented from decreasing.

The lower header 41 includes the lower cleaning / spraying nozzle 6
1 and the lower rinse jet nozzle 63 are supported in a liquid-tight manner and rotatably, respectively, and the washing water in the washing tank 13 which is pumped from the washing pump 27 during the washing process is supplied to the lower washing jet nozzle 61 and is rinsed. Rinse water (rinse water containing rinse in the rinse tank 31) that is pressure-fed by a rinse pump (not shown) during the process is supplied to the lower rinse injection nozzle 63, and extends below the bottom wall of the cleaning tank 13. At the exposed portion, the washing pump 27 and a rinsing pump (not shown) are connected via separate passages. The lower cleaning spray nozzle 61 and the lower rinse spray nozzle 63 each have a large number of spray holes,
It is adapted to rotate with respect to the lower header 41 in response to the injection of water from each injection port.

The upper header 53 rotatably supports the upper cleaning jet nozzle 65 and the upper rinsing jet nozzle 67 in a liquid-tight manner and rotatably, respectively, and cleans the washing water in the washing tank 13 pumped from the washing pump 27 during the washing process. The rinsing water (the rinsing water containing the rinse in the rinse tank 31) pressure-fed from a rinsing pump (not shown) during the rinsing process is supplied to the upper rinsing / injecting nozzle 67 while being supplied to the upper rinsing / injecting nozzle 65. The rinse water guide duct 51 and the rinse water guide pipe 55 are connected to the wash pump 27 via a wash water guide pipe (not shown) arranged below the bottom wall of the wash tank 13.
And a rinse pump (not shown) via a rinse water guide pipe (not shown) disposed below the bottom wall of the cleaning tank 13. The upper cleaning jet nozzle 65 and the upper rinse jet nozzle 67 each have a large number of jet ports, and are rotated with respect to the upper header 53 by a reaction of jetting water from each jet port.

A pair of small holes 53a for air inflow (small holes into which air easily flows in but water does not easily outflow) are provided at the top of the upper header 53 and communicate with the internal washing water passage. A pair of small holes (not shown) for draining water, which communicate with the internal cleaning water passage, are provided at the bottom of the boss portion of the cleaning jet nozzle 65, and when cleaning is completed, air is supplied from the small hole 53a for inflowing air. By entering, the cleaning water in the cleaning water passages of the upper header 53 and the upper cleaning / injecting nozzle 65 can be quickly discharged also from the small hole (not shown) for draining water, whereby the upper cleaning / injecting nozzle. The dripping time of the washing water from 65 to the dishes is shortened, and the rinsing ability is improved.

In the dishwasher having the above-described structure, the door 23 is opened (the door 23 is the spring 24).
At a predetermined position between the rack containing the dishes (not shown) both washing injection vertically carried along both the rack rails 15 and 16 nozzles 61, 63 and 65, 67 to) held open by the When the door 23 is closed and the normal operation button disposed on the operation panel 34 is pushed after the setting, the control device in the control box 29 causes various controlled devices (for example, the cleaning pump 27, the cleanser pump 33). , Rinsing pump, etc.) and the predetermined rinsing step is executed after the predetermined cleaning step is executed.

In the cleaning process, cleaning water (containing an appropriate amount of cleanser) is pumped from the cleaning pump 27 to both upper and lower cleaning spray nozzles 61 and 65, so that the upper and lower cleaning spray nozzles 61 and 65 spray. The tableware stored in the rack is washed by the wash water that is generated, and in the rinse step, rinse water (which contains an appropriate amount of rinse) is pumped from the rinse pump to both upper and lower rinse injection nozzles 63 and 67. As a result, the dishes contained in the rack are rinsed with the rinse water sprayed from the upper and lower rinse spray nozzles 63 and 67.

By the way, in the present embodiment, the left and right rack rails 15 and 16 have a large number of through holes 15a and 16a at substantially the center in the longitudinal direction, as shown in FIGS. . These through-holes 15a and 16a are provided corresponding to the rotational trajectories of the lower cleaning jet nozzle 61 and the lower rinsing nozzle 63, and penetrate the rack rails 15 and 16 in the vertical direction. The cleaning water sprayed and the rinse water sprayed from the lower rinse spray nozzle 63 can pass through.

Therefore, part of the cleaning water sprayed from the lower cleaning spray nozzle 61 during the cleaning process is passed through the holes 15a, 1a.
It is possible to lead to the tableware stored in the rack through 6a, and it is possible to enhance the cleaning effect, and after the cleaning process, the tableware is dropped by the water that flows over the rack rails 15 and 16 and drops through the through holes 15a and 16a. It is possible to wash away the residue that has been washed away from the rack rails 15 and 16 and remains on the rack rails 15 and 16.
The residue remaining on the top can be reduced.

Further, a part of the rinse water sprayed from the lower rinse spray nozzle 63 during the rinse step is passed through the holes 15a, 1a.
It is possible to lead to the tableware stored in the rack through 6a, and enhance the rinsing effect, and
After the rinsing step, it is possible to wash away the residue remaining on the rack rails 15 and 16 that is washed from the dishes by the water flowing on the rack rails 15 and 16 and dropping through the through holes 15a and 16a.
The residue remaining on 16 can be reduced. Therefore, the rack rails 15 and 16 can be kept clean.

Further, in the above embodiment, as is clear from FIGS. 2, 5, and 8, each rack rail 1
The water splash prevention plates 15b and 16b are integrally erected on 5 and 16 to reduce the number of parts. In addition, a pair of front and rear mounting plates 15c and 16c having a U-shape are integrally provided on the lower surface of each rack rail 15 and 16, and the notches 15c1 and 16c1 provided on the mounting plates 15c and 16c are provided in the cleaning tank 13. Mounting holes 15 provided in the mounting plates 15c and 16c while engaging with the four supporting rods 14 provided in advance.
By inserting the screw 19 into the c2 and 16c2 and screwing the screw 19 by hand into the female screw provided on the shaft center of the support rod 14, the rack rails 15 and 16 can be assembled to the cleaning tank 13 without tools. You can attach it,
The assembling is improved (easy assembling).

In the above embodiment, the rack rail 1
Although a large number of circular through-holes 15a and 16a are provided in 5 and 16, the shape and number of the through-holes provided in the rack rail can be appropriately changed, and the present invention is not limited to the above embodiment. Also,
In the above-described embodiment, the through holes 15a and 16a are provided corresponding to the rotation trajectories of the lower cleaning / injecting nozzle 61 and the lower rinsing nozzle 63, but the through holes may be provided over the entire length of the rack rail. .

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a dishwasher using a rack rail according to the present invention.

FIG. 2 is an exploded perspective view of the dishwasher shown in FIG.

FIG. 3 is the cleaning tank shown in FIG. 2, both rack rails,
FIG. 6 is a plan view showing a relationship between a lower cleaning spray nozzle, a lower rinsing nozzle, and the like.

FIG. 4 is the cleaning tank shown in FIG. 2, both rack rails,
FIG. 4 is a partially cutaway front view showing a relationship between a lower cleaning injection nozzle, a lower rinsing nozzle, and the like.

5 is a side view of the left rack rail alone shown in FIGS. 2, 3 and 4. FIG.

FIG. 6 is a plan view of the left rack rail alone shown in FIG.

FIG. 7 is a bottom view of the left rack rail alone shown in FIG.

8 is a side view of the right rack rail alone shown in FIGS. 2, 3 and 4. FIG.

9 is a plan view of the right rack rail alone shown in FIG. 8. FIG.

10 is a bottom view of the right rack rail alone shown in FIG. 8. FIG.

[Explanation of symbols]

15, 16 ... Rack rails, 15a, 16a ... Through holes, 6
1 ... Lower cleaning spray nozzle, 63 ... Lower rinse spray nozzle.

Claims (3)

(57) [Claims] 1. A cleaning device which rotates in response to injection of cleaning water.
Guide the loading and unloading of racks containing dishes to the inside of both side walls of the cleaning tank with the sluice attached to the bottom.
Install a pair of left and right rack rails that support the cleaning nozzle
In the dishwasher arranged so as to be located above the rolling surface, the dishwasher is located above the rotation trajectory of the washing nozzle and opens vertically.
Through holes on both rack rails.
Cleaning sprayed from the cleaning nozzle through these through holes
Part of the water is directed toward the tableware stored in the rack rail.
And the washing water after washing through the through hole.
A dishwasher characterized by flowing down to the bottom of the cleaning tank . 2. A cleaning device that rotates by reaction when the cleaning water is sprayed.
Inside the side walls of the cleaning tank with the sledge attached to its bottom
Guidance for loading and unloading racks containing dishes
Install a pair of left and right rack rails that support the cleaning nozzle
In a dishwasher installed above the rolling surface
There are, opening vertically positioned above the rotating locus of the cleaning nozzle
A plurality of through holes along the length of the rack rails.
Each of them is provided, and the cleaning is performed through these through holes.
A part of the cleaning water sprayed from the nozzle is on the rack rail.
Ejects upward toward the stored tableware and through the through hole
After cleaning, wash water should flow down to the bottom of the wash tank.
Dishwasher characterized by 3. A splash prevention plate is provided on each of the rack rails.
Dishwashing according to claim 1 which is characterized by being erected
Machine.