JPH026905Y2 - - Google Patents

Description

[Detailed description of the invention] a. Industrial application field The present invention relates to a nozzle structure for a dishwasher, and in particular, a novel method for cleaning the washing nozzle with a portion of the rinsing water during the rinsing operation after washing. It is about improvement.

b. Prior Art Various structures have been proposed and adopted for the nozzle bearing configuration of this type of dishwasher that has been used in the past. As shown in the figure.
That is, in FIG. 2, the nozzle bearing 1 has a first pipe line 2 as an inner pipe and a second pipe line 3 as an outer pipe.
A rinsing pipe 4 is connected to the first pipe line 2, and a cleaning pipe 5 is connected to the second pipe line 3.

A first nozzle 6 as a rinsing nozzle is connected to the lower end of the first pipe line 2 via a branch pipe 6a, and the first pipe line 2 and the first nozzle 6 communicate with each other via openings 7 and 8. However, this first nozzle 6 has an injection port 9 formed therein.

Further, a second nozzle 10 as a cleaning nozzle is connected to the lower end of the second pipe line 3, and a first opening 1
The second pipe line 3 and the second nozzle 10 communicate with each other through the second nozzle 1, and the second nozzle 10 has an injection port 12 formed therein.

The nozzle bearing of a conventional dishwasher is constructed as described above, and its operation will be described below.

First, the cleaning water sent from the cleaning pipe 5 is
The water is supplied from the conduit 3 through the first opening 11 to the second nozzle 10, which is a cleaning nozzle, and is supplied to tableware (not shown) from the injection port 12 for cleaning.

After the above-mentioned cleaning operation is completed, rinsing water is supplied from the rinsing pipe 4, and this rinsing water passes through the first pipe 2, the openings 7 and 8, and is then discharged from the injection port 9 of the first nozzle 6, which is the rinsing nozzle. A rinsing operation is performed on the washed dishes.

c Problems to be solved by the invention Since the nozzle bearing of conventional dishwashers is configured as described above, the second
Even after the cleaning operation was completed, detergent, dirt, foreign matter, etc. remained inside the nozzle 10, making it very unsanitary.

Therefore, after using the dishwasher, the second nozzle 10, which is a cleaning nozzle, must be removed from the bearing and cleaned, making disassembly and assembly extremely difficult.

The present invention promptly eliminates the above problems, especially during the rinsing operation after cleaning.
An object of the present invention is to provide a nozzle structure for a dishwasher capable of supplying water to the inside of a washing nozzle with rinsing water for cleaning.

d Means for solving the problem The nozzle structure for a dishwasher according to the present invention includes a first conduit connected to a first nozzle in a nozzle structure for a dishwasher that sprays washing water and rinsing water; a second conduit connected to a second nozzle; a first opening provided at a position corresponding to the second nozzle in the second conduit; and a first opening in communication with the second conduit. This configuration includes a second opening formed in the conduit.

e Effect In the nozzle structure of the dishwasher according to the present invention, the washing water supplied from the second pipe is supplied to the dishes (not shown) from the injection port of the second nozzle as a washing nozzle to perform washing. After the cleaning operation is completed, the rinsing water supplied from the first pipe is supplied to the dishes from the jet port of the first rinsing nozzle through the first pipe, and the rinsing operation is performed. is simultaneously supplied into the second nozzle, which is the cleaning nozzle, through the second opening of the first pipe line and the first opening of the second pipe line, and during the rinsing operation, the liquid is supplied into the second nozzle, which is the cleaning nozzle, and the second nozzle, which is the cleaning nozzle. The inside of the two pipes or the inside of the second pipe is cleaned.

Therefore, after the rinsing operation is completed, no detergent, dirt, foreign matter, etc. remain in the second nozzle, which is the cleaning nozzle.
An extremely clean dishwasher that does not require disassembly and cleaning can be obtained.

f. Embodiments Hereinafter, preferred embodiments of the nozzle structure for a dishwasher according to the present invention will be described in detail with reference to the drawings.

Note that parts that are the same or equivalent to those in the conventional column will be described using the same reference numerals.

In FIG. 1, the nozzle bearing 1 consists of a first pipe line 2 as an inner pipe and a second pipe line 3 as an outer pipe. The second pipe line 3 has a second pipe line 5 as a cleaning pipe.
are connected to each other.

A first nozzle 6 as a rinsing nozzle is connected to the lower end of the first pipe line 2 via a branch pipe 6a, and the first pipe line 2 and the first nozzle 6 communicate with each other via openings 7 and 8. However, this first nozzle 6 has an injection port 9 formed therein.

Further, a second nozzle 10 as a cleaning nozzle is connected to the lower end of the second pipe line 3, and a first opening 1
The second pipe line 3 and the second nozzle 10 communicate with each other through the second nozzle 1, and the second nozzle 10 has an injection port 12 formed therein.

A check valve 13 is provided between the first pipe 4 and the first pipe line 2 to prevent water from flowing back in the direction of the first pipe 4. A second opening 14 is formed at a position corresponding to the first opening 11 of the second nozzle 10 .
Note that the cleaning action can be performed even when the first opening 11 and the second opening 14 do not face each other, and in this case, the bottom of the second conduit 3 can be cleaned at the same time.

The nozzle bearing structure of the dishwasher according to the present invention is
It is configured as described above, and its operation will be explained below.

First, the cleaning water sent from the second pipe 5, which is the cleaning pipe, flows from the second pipe 3 to the first pipe as shown by arrow A.
The second nozzle 1, which is a cleaning nozzle, passes through the opening 11.
0 and is supplied to tableware (not shown) from the injection port 12 to perform washing. In this cleaning operation, the cleaning water that attempts to enter the first pipe line 2 from the second opening 14 will not flow back due to the action of the check valve 13. Furthermore, even if this check valve 13 is not provided, depending on the opening area of the second opening 14, the water does not rise upward, but flows into the second opening below.
Backflow can be sufficiently prevented by passing toward the nozzle. In other words, this check valve 13 serves as an effective means for preventing backflow when water pressure is extremely high.

After the above-mentioned cleaning operation is completed, rinsing water is supplied from the first pipe 4 which is the rinsing pipe, and this rinsing water flows through the first pipe 2 and the opening 7 as shown by arrow B.
and 8, a rinsing operation is performed on the washed dishes from the injection port 9 of the first nozzle 6, which is a rinsing nozzle.

In the above-mentioned rinsing operation, a part of the rinsing water supplied to the first pipe line 2, as shown by arrow C,
From the first opening 11 through the second opening 14 to the second
It is supplied into the nozzle 10, and the inside of the second nozzle 10 is cleaned.

In this embodiment, the first pipe line 2 is connected to the first nozzle 6 which is a rinsing nozzle, and the second pipe line 3 is connected to the first nozzle 6 which is a rinsing nozzle.
Although the case has been described in which the first pipe line 2 is connected to the second nozzle 10 which is a cleaning nozzle, the present invention is not limited to the above-mentioned embodiment. The same effect can be achieved even if the structure is changed so as to be connected.

g Effect of the invention The nozzle bearing structure of the dishwasher according to the invention is as follows:
With the above configuration and operation, the inside of the cleaning nozzle can be kept clean at all times because part of the rinsing water can be used to clean the inside of the cleaning nozzle during the rinsing operation.

Moreover, since the inside of the cleaning nozzle is cleaned every time a rinsing operation is performed, daily cleaning can be omitted and maintenance becomes easy.

Furthermore, in the case of the configuration as in this embodiment, even if the washing nozzle is installed at the top of the dishwasher, dirty water will not fall from the washing nozzle onto the dishes after rinsing, and clean dishes will not be washed. You can get a dishwasher.

Furthermore, the action of the check valve can provide effects such as being able to completely prevent wash water from flowing back into the rinse pipe.

[Brief explanation of the drawing]

FIG. 1 is a sectional view showing a nozzle structure of a dishwasher according to the present invention, and FIG. 2 is a sectional view showing a conventional nozzle structure. 1 is a nozzle bearing, 2 is a first pipe line, 3 is a second pipe line, 4 is a first pipe, 5 is a second pipe, 6 is a first nozzle, 10 is a second nozzle, 11 is a first opening, 13
14 is a check valve, and 14 is a second opening.

Claims (1)

[Claims for Utility Model Registration] (1) In the nozzle structure of a dishwasher that sprays washing water and rinsing water, the first pipe line 2 connected to the first nozzle 6 and the second pipe line 10 connected to the second nozzle 10 a second pipe line 3, a first opening 11 provided at a position corresponding to the second nozzle 10 in the second pipe line 3, and a second pipe line 3 in communication with the second pipe line 3; a second opening 14 formed in the channel 2; when water is injected from the first nozzle 6 through the first channel 2, the second nozzle 10 is injected through the second opening 14; A nozzle structure for a dishwasher characterized by supplying water to the interior of the dishwasher for cleaning. (2) The first conduit 2 and the second conduit 3 are integrally formed, the first nozzle 6 is a rinsing nozzle, the second nozzle 10 is a cleaning nozzle, and the first conduit 2
The nozzle structure for a dishwasher according to claim 1, wherein: is an inner pipe, and the second pipe line 3 is an outer pipe. (3) The nozzle structure for a dishwasher according to claim 1 or 2, wherein the first pipe line 2 is provided with a check valve 13. (4) The tableware according to any one of claims 1 to 3, wherein the first opening 11 and the second opening 14 are formed to face each other. Cleaning machine nozzle structure.