JP3222787B2 - Dishwasher - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a commercial dishwasher used in hospitals, employee cafeterias, and the like.

[0002]

2. Description of the Related Art Conventionally, in places where a large amount of dishes to be washed are generated, such as hospitals and employee cafeterias, a dishwasher for automatically performing washing and rinsing has been used for the purpose of saving labor. Next, the configuration of the above-mentioned conventional dishwasher will be described with reference to FIGS. FIG. 3 is a perspective view showing an external configuration of the above-described conventional dishwasher, and FIG. 4 is a sectional view taken along line XX 'shown in FIG. In FIG. 3, reference numeral 1 denotes a substantially rectangular parallelepiped main body whose upper surface is open. The upper edge of the front plate 1F of the main body 1 is shown in FIG.
Rail 1a bent to the inside of the main body 1 as shown in FIG.
It has been. The rail 1a is formed between the right side plate 1R and the left side plate (not shown) of the main body 1 shown in FIG.

Similarly, the upper edge of the back plate 1B of the main body 1 shown in FIG. 4 is a rail 1b bent toward the inside of the main body 1. The rail 1b is formed at a position facing the rail 1a, and is formed between the right side plate 1R and the left side plate (not shown) of the main body 1 shown in FIG. Reference numeral 2 denotes a control panel attached to a substantially central upper portion of the front plate 1F of the main body 1, and includes various switches for instructing a cleaning operation.

[0004] Reference numeral 3 denotes a partition plate provided at the center of the main body 1 in the vertical direction, and divides the inside of the main body 1 into two right and left parts. That is, a first cleaning tank S1 and a second cleaning tank S2 are formed inside the main body 1 by the partition plate 3.

Here, the configuration inside the second cleaning tank S2 will be described with reference to FIG. In this figure, 4
Is a shaft member provided at the bottom of the second cleaning tank S2. Reference numeral 5 denotes a main cleaning nozzle rotatably supported by the shaft member 4 in the horizontal direction, and includes a plurality of nozzle portions 5a, 5a,.
, The cleaning liquid W is sprayed onto the tableware to be cleaned (not shown). Reference numeral 6 denotes a rinsing nozzle supported rotatably in the horizontal direction on the shaft member 4 in the same manner as the main cleaning nozzle 5, and injects rinsing water to the dishes to be cleaned. Further, the shaft member 4, the main cleaning nozzle 5, and the rinsing nozzle 6 described above correspond to FIG.
Is also provided inside the first cleaning tank S1 shown in FIG.

Reference numeral 7 shown in FIG. 3 is a movable lid for closing the opening on the upper surface of the first cleaning tank S1 or the second cleaning tank S2, and is guided by the rails 1a and 1b to indicate the arrow Z1 or Z2 shown in FIG. It is movable in the direction. Numerals 8 are handles respectively attached to both upper surfaces of the movable lid 7. 9, 9 is
Rolling rollers are rotatably attached to both ends of the side plate 7a of the movable lid 7, and roll on the rails 1a. Also, a side plate 7b of the movable lid 7 facing the side plate 7a.
Rollers 9 shown in FIG. 4 are rotatably attached to both ends of the roller.

[0007] 10a and 10b shown in FIG. 4 are rubber packings respectively attached to the inner edges of the side plates 7a and 7b of the movable lid 7, and are formed between the side plates 7a and 7b and the rails 1a and 1b. It serves to seal the gap. More specifically, the rubber packings 10a and 10b
The cleaning liquid W in the cleaning tank S1 (or the second cleaning tank S2) is prevented from scattering to the outside. Reference numeral 11 denotes a shaft member attached to the center of the rear surface of the upper plate of the movable lid 7. A rinse nozzle 12 is supported by the shaft member 11 so as to be rotatable in the horizontal direction, and injects rinse water to a dish to be washed (not shown).

In the above configuration, it is assumed that the moving lid 7 shown in FIG. 3 is located above the first washing tank S1, and the worker places a dish basket (not shown) on which the dish to be washed is mounted. Second
After being mounted on the mounting portion inside the washing tank S2, the handles 8, 8
To move the moving lid 7 in the direction of the arrow Z2. Thus, the rolling rollers 9, 9,...
Roll each on the top. Then, when the movable lid 7 moves to the position shown by the solid line in the figure, the upper opening of the second cleaning tank S2 is closed.

When a switch on the control panel 2 is operated by an operator, the cleaning liquid flows from the nozzles 5a, 5a,... Of the main cleaning nozzle 5 shown in FIG. W is injected. During this cleaning operation, the cleaning liquid W in the second cleaning tank S2 does not scatter from the rails 1a and 1b to the outside because it is sealed by the rubber packings 10a and 10b.

[0010]

In a conventional dishwasher, a rubber packing 10 is used as a sealing material.
a and 10b are used, but due to their properties, deterioration such as cracks is likely to occur.
The replacement of a and 10b has to be performed, so that there is a disadvantage that the maintenance cost is high. Further, in the conventional dishwasher, the cleaning liquid W and the like accumulate in the cracks generated in the rubber packings 10a and 10b.
There is a problem in hygiene due to propagation of various bacteria. further,
In the conventional dishwasher, since no rubber packing is provided on the side plate 7c of the moving lid 7 shown in FIG. 3 and on the side plate facing the side plate 7c, a gap G1 is formed between the side plate 7c and the partition plate 3. Existing. As a result, in the conventional dishwasher, the cleaning liquid W in the second cleaning tank S2 flows into the first cleaning tank S1 from the gap G1 as shown in FIG. was there. The present invention has been made under such a background, and it is an object of the present invention to provide a dishwasher which does not cause the washing liquid to splash outside during washing, is sanitary, and has a low maintenance cost.

[0011]

According to a first aspect of the present invention, there is provided a main body having a substantially rectangular parallelepiped shape having a first cleaning tank and a second cleaning tank adjacent to each other and having an open upper surface. The main body is formed in a substantially rectangular parallelepiped shape with two rails respectively provided along both upper edges in the longitudinal direction and a lower surface opened.
Two rolling on each of the rails outside the side plate
And a movable lid to which the rolling rollers are attached.
Each rolling roller is guided by each rail and rolls
Thus, the movable lid is provided between the first cleaning tank and the second cleaning tank.
In the dishwasher that closes any upper surface of the tank, both side edge portions of the moving lid are in contact with the two rails.
It is characterized by being bent inward at a predetermined angle so as to form a kana gap .

According to a second aspect of the present invention, in the dishwasher according to the first aspect, each of the movable lids is formed such that each edge of the four side plates is bent inward at a predetermined angle. It is characterized by being.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing a configuration of a main part of a dishwasher according to an embodiment of the present invention. In this figure, parts corresponding to the respective parts in FIG. 4 are denoted by the same reference numerals, and description thereof will be omitted. In FIG. 1, a moving lid 20 is provided instead of the moving lid 7 and the rubber packings 10a and 10b shown in FIG.

The movable lid 20 is formed in a substantially box shape with an open lower surface in substantially the same manner as the movable lid 7 (see FIG. 3). The edge of the side plate 20b of the moving lid 20 shown in FIG.
As shown in FIG. 2, there is a slight gap G2 with respect to the rail 1b.
Are formed inward by a constant angle θ so as to form a bent portion 20bb. A rolling roller 9 is rotatably mounted on a side plate 20b of the movable lid 20 via a shaft, and the rolling roller 9 rolls on the rail 1b.

Similarly to the above-mentioned bent portion 20bb, the edge of the side plate 20a of the movable lid 20 shown in FIG. 1 has a fixed angle inward so as to form a slight gap with respect to the rail 1a. It is bent by the amount of the bent part 20aa
It has been. A rolling roller 9 is rotatably mounted on a side plate 20a of the movable lid 20 via a shaft, and the rolling roller 9 rolls on the rail 1a.

Further, the side plate 20a of the moving lid 20 described above,
A bent portion is formed on each of the two side plates other than the side plate 20b in the same manner as the side plates 20a and 20b. That is,
The respective edges of the four side plates of the movable lid 20 are both bent inward.

In FIG. 1, when cleaning is started, the cleaning liquid W is sprayed from the nozzles 5a, 5a,... As a result, the cleaning liquid W becomes shower-like and the second cleaning tank S2
Fill inside. At this time, as shown in FIG. 2, since the shower-shaped cleaning liquid W is cut off by the bent portion 22bb, the cleaning liquid W does not scatter to the outside from the gap G2. Similarly, the cleaning liquid W does not flow into the first cleaning tank S1 adjacent to the second cleaning tank S2 from the gap G1 shown in FIG.

As described above, according to the dishwasher according to the above-described embodiment, the first washing tank S1 or the second washing tank S2 is used without using a rubber packing unlike a conventional dishwasher. It is possible to prevent the inside of the cleaning liquid W from scattering to the outside. Therefore, according to the dishwasher according to the embodiment, the replacement of the rubber packing is not required, so that the maintenance cost can be reduced. Further, according to the dishwasher according to the above-described embodiment, since the rubber packing is not required unlike the conventional dishwasher, the portion between the movable lid 20 and the main body 1 is always kept clean. be able to.

As described above, one embodiment of the present invention has been described in detail with reference to the accompanying drawings. The present invention is also included in the present invention. For example, in the above-mentioned conventional dishwasher, the example in which the bent portions are formed on all the four side plates of the moving lid 20 has been described. However, if necessary, the bent portions are formed only on the two side plates. Is also good.

[0020]

According to the present invention, when cleaning is performed while the movable lid is blocking the upper surface of the first cleaning tank (second cleaning tank), the (second cleaning) in the first cleaning tank is performed. (Cleaning tank) Since the cleaning liquid is cut off by the bent portion, the cleaning liquid does not scatter outside and the maintenance cost can be reduced since the conventional rubber packing is not used. Further, according to the present invention, since the conventional rubber packing is not used, an effect of always being kept clean can be obtained.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating a configuration of a main part of a dishwasher according to an embodiment of the present invention.

FIG. 2 is an enlarged view showing a configuration in a circle E indicated by a dashed line in FIG.

FIG. 3 is a perspective view showing an external configuration of a conventional dishwasher.

4 is a sectional view taken along line X-X 'shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 1a, 1b Rail 20 Moving lid 20a, 20b Side plate 20aa, 20bb Bending part S1 1st washing tank S2 2nd washing tank

Claims (2)

(57) [Claims] A first cleaning tank and a second cleaning tank adjacent to each other;
And a substantially rectangular parallelepiped body having a washing tank therein and having an open upper surface, two rails respectively provided along both upper end edges in the longitudinal direction of the main body, and a substantially rectangular parallelepiped having an open lower surface.
Rolled on each of the rails outside the side plate
A movable lid to which two rolling rollers that move
Each rolling roller is guided by each rail and rolls.
By doing so, the movable lid is connected to the first cleaning tank and
In a dishwasher that closes an upper surface of any of the second washing tanks, edge portions on both sides of the moving lid are arranged with respect to the two rails.
A dishwasher, which is bent inward at a predetermined angle so as to form a small gap . 2. The dishwasher according to claim 1, wherein the movable lid is formed such that each edge of the four side plates is bent inward at a predetermined angle.