JPH09122061A - Door type oscillation-designed automatically dishwashing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve a higher washing effect by making a washing cage oscillate in the direction crossing the direction of jetting washing water from a jetting nozzle in the jetting of the washing water. SOLUTION: A body base part 10 is arranged having a washing cage carrier part where a washing cage 1 for housing dishes to wash is placed, a door part 20 to allow the opening or closing thereof with respect to the body base part 10 so that the washing cage 1 can be loaded into or unloaded from the washing cage carrier part with the door kept opened or a space of a washing chamber is made inside with the door kept closed and a washing water jetting nozzle 12 to jet washing water to the washing cage 1 carried on the washing cage carrier part in the space of the washing chamber. The washing cage carrier part is provided with an oscillating part so as to be oscillated in the direction crossing the direction of jetting the washing water from the washing water jetting nozzle 12 together with the washing cage 1 in a state where the washing cage 1 is placed thereon.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door type automatic dishwasher.

[0002]

2. Description of the Related Art Conventionally, a large amount of dishes such as school luncheons, employee cafeterias, staff cafeterias, hospital lunchrooms, family restaurants, plates, bowls, trays, chopsticks, knives, and forks must be washed. By the way, various types of automatic dishwashers are used. Among these automatic dishwashers, there is a door type automatic dishwasher that can wash a relatively small amount of dishes in batches and does not require much installation space.

This type of conventional door-type automatic dishwasher has a main body base portion having a washing basket placement portion for placing a washing basket containing dishes to be washed, and opening / closing with respect to the main body base portion. In addition, in the open state, the cleaning basket can be taken in and out of the cleaning basket placement part, and in the closed state, the door part that creates the cleaning chamber space inside and the cleaning basket placement part in the cleaning chamber space are placed. And a cleaning water spray nozzle for spraying cleaning water onto the cleaning basket. When washing dishes using such a conventional door-type automatic dishwasher, the operator should wash dishes in a special washing basket,
The dishes such as bowls and trays are stored, the door of the washing machine is opened, the washing basket is placed on the washing basket placing portion, and the door is closed. And by activating the wash water injection nozzle,
The washing water is sprayed onto the dishes stored in the washing basket for a predetermined time. The worker may open the door and take out the washing basket after the predetermined time has passed, and may carry it to the storage place as it is, or take out the washed tableware from the washing basket and store it in an appropriate storage cabinet. You may do it.

[0004]

Such a conventional door type automatic dishwasher does not take up much space for installation, does not pollute the surroundings, and can automatically wash dishes in a batch type. , In places where it is not necessary to wash a large amount of tableware, it has some practicality. However, in the conventional door-type automatic dishwasher, it cannot be said that the washing water sprayed from the washing water spray nozzle collides with the dishes in the washing basket in any condition. It was That is,
Since the washing basket remains stationary in the washing room, for example, when the dishes to be washed have a relatively complicated shape, Occasionally, there was a shaded area, and it was not possible to sufficiently clean the area. On the other hand, there is a problem in that the cleaning time must be extended in order to sufficiently clean such a shaded area.

An object of the present invention is to provide a door type swing type automatic dishwasher which can solve the above-mentioned problems of the prior art.

[0006]

A door type swing type automatic dishwasher according to the present invention includes a main body base portion having a washing basket placing portion for placing a washing basket containing dishes to be washed, A door part that can be opened and closed with respect to the main body base part, allows the cleaning basket to be taken in and out of the cleaning basket placement part in the open state, and creates a cleaning chamber space inside in the closed state, and the inside of the cleaning chamber space. In the cleaning basket mounting part, a cleaning water spray nozzle for spraying cleaning water to the cleaning basket mounted on the cleaning basket mounting part is provided, and the cleaning basket mounting part has a cleaning basket mounted in a state where the cleaning basket is mounted on the cleaning basket mounting part. It is characterized in that a swinging portion that swings in a direction traversing the washing water jetting direction from the washing water jetting nozzle is provided together with the washing basket.

According to one embodiment of the present invention, the swinging part is mounted on the rail means fixed to the main body base, and slidably mounted along the rail means to mount a cleaning basket. It comprises a slide means which can be placed and a drive means for reciprocally sliding the slide means along the rail means.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described in more detail with reference to the accompanying drawings.

FIG. 1 of the accompanying drawings is a schematic front view showing a door type swing type automatic dishwasher as an embodiment of the present invention, and FIG. 2 is a schematic side view of the washing machine of FIG. . As schematically shown in FIGS. 1 and 2, the door type swing type automatic dishwashing machine of this embodiment has a washing basket placing portion for placing a washing basket 1 containing dishes to be washed. The main body base portion 10 and the cleaning basket 1 that can be opened and closed with respect to the main body base portion 10 and is in the opened state for the cleaning basket mounting portion.
Washing water for spraying the washing water onto and from the washing basket 1 placed on the washing basket placing section in the washing chamber space, which enables the putting in and out of the washing machine and creates a washing chamber space inside in the closed state. The injection nozzle 12 is provided. In this embodiment, the wash water jet nozzle 12 is in the form of a pressure jet rotary nozzle.

The main body base portion 10 has leg portions suitable for being installed on the floor surface of a kitchen or the like, and a sink portion 11 for receiving washing water after being used for washing is formed in an upper portion inside thereof. ing. A hot water supply port 13 for supplying cleaning water is provided at a side portion of the main body base 10, and cleaning water supplied from the hot water supply port 13 is pressure-injected into a rotary nozzle at a lower portion inside the main body base 10. A line pump 14 is provided for pumping to 12 and injecting. A drain port 15 is provided at the bottom of the sink unit 11. Furthermore, the operation panel 16 is provided on the front side of the main body base 10.
Are arranged.

On the other hand, the door portion 20 has a door handle 21.
The operator operates the door handle 21 so that the door portion 20 can be freely moved between the closed position shown by the solid line in FIG. 2 and the open position shown by the one-dot chain line. It can be opened and closed. The configuration itself of the washing machine described above may be the same as that of the conventional door-type automatic washing machine, and thus will not be described in further detail.

Next, a detailed structure of the cleaning basket placing portion provided on the main body base portion 10 will be described with reference to FIGS. 3 to 5. FIG. 3 is a partially enlarged plan view showing a washing basket placing portion of the door type swing type automatic dishwashing machine of the present invention whose overall configuration is shown in FIGS. 1 and 2, and FIG. 4 is the washing of FIG. FIG. 5 is a partial vertical cross-sectional view of the basket placement unit, and FIG. 5 is a partial cross-sectional view of the cleaning basket placement unit of FIG. 3. As shown in FIG. 3, the cleaning basket placement portion is fixedly mounted horizontally and parallel to the main body base portion 10 along the periphery of the sink portion 11 of the main body base portion 10 to form rail means. To L
A V-shaped channel member 30 is provided. A plurality of rollers 31 are rotatably attached to the vertical legs of these L-shaped channel members 30. Also, these L
A slider 32 made of resin is attached near both ends of the vertical leg of the V-shaped channel member 30.

Each L-shaped channel member 30 is provided with a substantially U-shaped channel member 40 as a slide means for riding on a roller 31 attached thereto. As best shown in FIG. 3, the ends of these U-shaped channel members 40 are connected by an end channel member 41, and these U-shaped channel members 40 are
It is designed to be able to slide integrally on the roller 31. Such sliding movement of the U-shaped channel member 40 is performed by the guide action of the sliding surface of the resin slider 32 attached to the L-shaped channel member 30.
It is designed to be performed smoothly without rattling. Further, stopper members 44 are provided on the upper surface of each U-shaped channel member 40 at appropriate intervals.

As shown in FIGS. 3 and 4, a connecting portion 42 accommodating a dry bearing 43 is attached to a side portion of the central portion of the end channel member 41. Further, the drive means 50 is attached to the fixed portion of the main body base portion 10 that is aligned with the connection portion 42 and slightly below the connection portion 42. In this embodiment, the driving means 50 includes a lower nut 51 which can be inserted and fixed from below into an opening formed in a fixed portion of the main body base portion 10, and a screw tightening engagement with the lower nut 51 from above. Upper nut 52, a drive shaft 53 supported by a bearing composed of the lower nut 51 and the upper nut 52, a link 54 having one end connected to the upper end of the drive shaft 53, and a connection portion 42 at one end. 55 having a shaft 57 that is supported by the dry bearing 43 of
And a connection pin 56 that rotatably connects the other end of the link 54 and the other end of the link 55.

As best shown in FIG. 4, the lower nut 5
1, a dry bearing 51A is housed, and a male screw 51B is cut on the outer periphery of the upper portion of the lower nut 51. On the other hand, the dry bearing 52B is also housed in the upper nut 52, and the lower surface of the upper nut 52 is
A groove for accommodating the O-ring 52A is formed, and an internal thread 52C that engages with the external thread 51B of the lower nut 51 is formed on the inner peripheral surface. Further, a groove for accommodating the oil seal 52D is formed on the inner circumference of the upper part of the upper nut 52.

To attach the lower nut 51, the upper nut 52 and the drive shaft 53 to the fixed portion of the main body base portion 10, first, the lower nut 51 is formed at a predetermined position of the fixed portion of the main body base portion 10. It is fixed by inserting it from below into the opening. Next, the drive shaft 53 is inserted into the lower nut 51 from above so as to pass through the dry bearing 51A of the lower nut 51. Then, the upper portion of the drive shaft 53 protruding upward from the fixed portion of the main body base portion 10 is inserted into the dry bearing 52B and the oil seal 52D of the upper nut 52 so that the female screw 52C of the upper nut 52 is inserted into the lower nut. Screw it into the male screw 51B of 51. The upper nut 52 is screwed to such a position that the upper nut 52 and the lower nut 51 firmly sandwich the fixed portion of the main body base portion 10, thereby completing the attachment of the drive shaft 53 to the fixed portion of the main body base portion 10. can do.

In this state, the drive shaft 53 can freely rotate in the dry bearings 51A and 52B, but the O-ring 52A and the oil seal 52D prevent the wash water from penetrating into the bearing. Absent. The drive shaft 5 rotatably attached and fixed in this way
3, one end of the link 54 is fixedly connected to the upper end of the
The other end of the link 54 and the other end of the link 55 are rotatably connected by a connection pin 56 in a state where the shaft 57 of No. 5 is inserted into the dry bearing 43 of the connecting portion 42.

At the bottom of the main body base portion 10, the driving means 5 is provided.
A motor 60 constituting a power source of 0 is provided, and a rotary pulley 62 is attached to a rotary shaft of the motor 60 via a torque limiter 61. On the other hand, a rotary pulley 64 is also attached to the lower end of the drive shaft 53. By driving the motor 60 by urging the drive chain 63 between the rotary pulley 62 and the rotary pulley 64, the drive shaft 53 can be rotationally driven at a desired speed. When the drive shaft 53 is rotated, the link 54 is rotated about the drive shaft 53 as shown by an arrow R in FIG. The rotation of the link 54 depends on the connection pin 56.
Of the link 55 and the connecting portion 42 connected via the
Due to the so-called crank action, by the action of the bearing of the shaft 57 of the link 55 according to FIG. , Will be slid back and forth. The distance of such reciprocal slide is determined by the crank effective length of the link 54 and the link 55. In this embodiment, the swinging part is mainly
L-shaped channel member 30 and U-shaped channel member 4
0 and driving means 50.

Next, description will be given of the overall operation when washing dishes with the door type swing type automatic dishwashing machine of the present invention having the above-mentioned structure. The operator holds the door handle 21 and pulls up the door portion 20 to the position indicated by the alternate long and short dash line in FIG. 2 to open the door portion. Next, as shown in a partially enlarged cross-sectional view in FIG. 5, a dedicated cleaning basket 1 containing the tableware 1A to be cleaned.
Are placed on the cleaning basket placement section of the main body base section 10.
In this case, the operator keeps both sides of each cleaning basket 1 between the stopper members 44 provided on the upper surfaces of the corresponding U-shaped channel members 40 as shown in FIG.

In this way, all the washing baskets 1 (two washing baskets in this embodiment, as illustrated in FIG. 1) in which the dishes 1A to be washed at a time are housed
After mounting on the cleaning basket mounting unit of No. 0, the door handle 21 is grasped and the door unit 20 is pulled down to be in the closed state. Next, the operator presses an appropriate operation button on the operation panel 16 provided on the front surface side of the main body base portion 10 to urge the line pump 14 so that the pressure injection rotary nozzle 12 causes the main body base portion to move. The washing water is sprayed onto the tableware 1A stored in the washing basket 1 placed on the washing basket placing portion 10 and the motor 60 of the swinging unit driving means 50 is also energized. To do so.

When the motor 60 is biased, the C-shaped channel member 40 as a sliding means is operated by the crank action of the link 54 and the link 55 as described above.
Is reciprocated along the L-shaped channel member 30 as the rail means as shown by an arrow P in FIGS. 3 and 4. By the reciprocating movement of the U-shaped channel member 40, the cleaning basket 1 placed on the U-shaped channel member 40 can also be reciprocated together. By such swinging of the washing basket 1, the tableware 1A housed inside is made to cross the direction of washing water jetted from the pressure jet rotary nozzle 12, so that the washing water is evenly distributed. It will collide with the surface of and will perform a more sufficient cleaning action.

This door type swing type automatic dishwasher is
After such a cleaning process is continued for a predetermined time, the line pump 14 is temporarily stopped to stop the supply of cleaning water to the pressure jet rotary nozzle 12, and then the line pump 1 is restarted.
It can also be programmed to go through the rinse step for a predetermined time by energizing 4 and in turn pumping the appropriate rinse water to the pressure jet rotary nozzle 12. Even in such a rinsing step, the effect of rinsing can be improved by oscillating the cleaning basket by the oscillating portion.

After the completion of such rinsing and washing, the operator holds the door handle 21 and pulls up the door 20 to open it, pulls out the washing basket 1 from the inside, and properly stores the washed dishes. It should be moved to a place.

In the above-mentioned embodiment, the pressure jet rotary nozzle has been described as a type that jets the cleaning water only from above, but this is not limited to this, and a vertical jet rotary nozzle that can jet from above and below may be used. However, it is also possible to use a pressure jet fixed nozzle that does not rotate.

[0025]

When the cleaning water is sprayed, a higher cleaning effect can be obtained by swinging the cleaning basket in a direction that traverses the spraying direction of the cleaning water from the spray nozzle.

[Brief description of the drawings]

FIG. 1 is a schematic front view showing a door type swing type automatic dishwasher as an embodiment of the present invention.

FIG. 2 is a schematic side view of the washing machine of FIG.

FIG. 3 is a partially enlarged plan view showing a washing basket placement portion of the door type swing type automatic dishwasher of the present invention, the overall configuration of which is shown in FIGS. 1 and 2.

FIG. 4 is a partial vertical cross-sectional view of the cleaning basket placement portion of FIG.

5 is a partial cross-sectional view of the cleaning basket placement unit of FIG.

[Explanation of symbols]

 1 Cleaning Basket 1A Tableware 10 Main Body Base 11 Sink 12 Pressure Injection Rotating Nozzle 13 Hot Water Supply Port 14 Line Pump 15 Drainage Port 16 Operation Panel 20 Door Part 21 Door Handle 30 L-Shaped Channel Member 31 Roller 32 Resin Slider 40 U-Shaped Channel member 41 End channel member 42 Connection portion 44 Stopper member 50 Driving means 51 Lower nut 52 Upper nut 53 Drive shaft 54 Link 55 Link 56 Connection pin 57 Shaft 60 Motor 61 Torque limiter 62 Rotation pulley 63 Drive chain 64 Rotation pulley

Claims (2)

[Claims] 1. A main body base part having a cleaning basket mounting part for mounting a cleaning basket containing dishes to be cleaned, and a main body base part that can be opened and closed, and in the opened state, the cleaning basket. The cleaning basket can be taken in and out of the mounting part, and in the closed state, the door part that creates the cleaning chamber space and the cleaning basket mounted on the cleaning basket mounting part in the cleaning chamber space are cleaned. A washing water jet nozzle for jetting water, and a direction across the washing basket placement section with the washing basket in a state where the washing basket is placed in the washing basket jetting direction from the washing water jet nozzle. A door-type swing-type automatic dishwasher, which is characterized in that a swinging part that swings is provided. 2. The swinging portion includes rail means fixed to the main body base portion, slide means slidably mounted along the rail means and capable of mounting a cleaning basket, and the slide means. 2. A door-type swing-type automatic dishwasher according to claim 1, further comprising a drive means for reciprocally sliding the rail along the rail means.