JP3162938B2 - 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 dishwasher, and more particularly, to a main body having a washing chamber formed therein, a dish basket provided in the washing chamber, and a dishwashing nozzle provided in the washing chamber. The present invention also relates to a dishwasher provided with a washing water circulation channel extending from the bottom of the washing water to the nozzle, and a pump interposed in the circulation channel and pressurizing the washing water to eject the washing water from the nozzle.

[0002]

2. Description of the Related Art There are many known dishwashers of this type which are provided with an automatic detergent feeding mechanism on the inner surface of a door (for example, Japanese Patent Laid-Open No. 4-14).
No. 1124). However, these mechanisms basically rely on a solenoid as a drive source for automatically dispensing detergent, and therefore have the following technical conditions.

[0003] Timing is important for the introduction of the detergent, and therefore, a control device for controlling the operation of the solenoid is required. The solenoid and the control device are both electric components. Therefore, electrical components for operating it are required. Detergent can be introduced by opening the detergent container,
A mechanism for linking the operation of the solenoid and the opening of the detergent container is required. Specifically, it is necessary to complicately combine mechanical parts such as a lever member, a spring member, an arm member, and a claw member.

[0004] As described above, in addition to the solenoid, a control device, electrical components, mechanical components, and the like are required for automatic introduction of the detergent. Therefore, it is necessary to secure an installation space for these components, and the mechanism becomes more complicated. Since an electrical failure also occurs, the possibility of occurrence of a total failure increases, and maintenance management becomes difficult. Accordingly, one of the main objects of the present invention is to provide a dishwasher capable of automatically introducing a detergent into a washing chamber without using a driving member such as a solenoid.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a main body having a washing chamber formed therein, a dish basket provided in the washing chamber, a dish washing nozzle provided in the washing chamber, and a washing machine. In a dishwasher provided with a washing water circulation channel from the bottom of the water to the nozzle, and a pump interposed in the circulation channel and pressurizing the washing water to eject the washing water from the nozzle, a detergent container attached to the washing chamber. An operation flow path communicating with the washing water circulation flow path and having an opening corresponding to the detergent container, and being provided near the opening, and protruding from the opening by pressurized cleaning water so as to be immersed therein to open the detergent container. A dishwasher provided with an operating piece capable of causing a detergent to be introduced into a washing chamber.

That is, the present invention is configured such that a specific operating piece is protruded and moved by utilizing the jet pressure of the washing water, and the detergent container is forcibly opened by the protruding movement so that the detergent can be charged into the washing chamber. Therefore, it is possible to automate the detergent introduction with a very simple configuration without using a drive source such as a solenoid. More specifically, in the present invention, the jet pressure of the washing water is used as a driving source for projecting and moving the operation piece, so that a solenoid is not required, and
The use of a solenoid eliminates the need for control devices and electrical components, and also eliminates the need for mechanical components for transmitting solenoid operation. Of course, the structure of the working piece and the working channel of the present invention can be designed to be small, so that almost no new installation space is required, and since the structure is extremely simple, there are few troubles and maintenance is easy.

Here, the detergent container is opened by inverting the detergent container by directly or indirectly contacting the operating piece which projects and moves against the detergent container, and / or opening the lid or stopper of the detergent container. Will be possible. As an example of the indirect contact of the operating piece with the detergent container, as shown in the embodiment, a configuration in which the opening operation is transmitted to the detergent container via a contact plate (contact plate) provided integrally with the detergent container. Can be.

When the detergent container is opened by inverting the detergent container, the detergent container can be pivoted to a dish basket or another place in the washing room (for example, the outer wall of the washing water circulation channel or the working channel). (Free). In this case, the detergent container and the operating piece may be disposed so as to abut on the detergent container when the operating piece protrudes and thereby be inverted, thereby transmitting the projecting movement of the operating piece to the detergent container.
That is, a mechanism for connecting the two is not required.

On the other hand, when the detergent in the detergent container is discharged by opening the lid or stopper of the detergent container, the lid or stopper seals the bottom or side of the detergent container, and the moving operating piece is the lid or stopper. Abut the stopper and let it open. The shape of the detergent container is not particularly limited as long as it is a container that can be filled with a detergent (liquid, powder, etc.). However, when the detergent container discharges the detergent by inversion, there is no lid or the detergent container can be opened and closed as in the embodiment. It is preferable to use a container with a lid.

On the other hand, if the working piece has an injection port formed at the tip thereof, the washing water can be jetted from the injection port, whereby the dishes of the tableware basket can be washed, and the auxiliary piece serves as a dishwashing nozzle. be able to. The dishwasher according to the present invention has, as a basic configuration, a main body having a washing chamber formed therein,
A dish basket provided in the washing chamber, a dish washing nozzle provided in the washing chamber, a washing water circulation channel from the bottom of the washing water to the nozzle, and a washing water passage provided in the circulation channel to supply the washing water. A pump that pressurizes and jets from the nozzle,
A cleaning mechanism (electric heater, gas heater, etc.) and a drying mechanism (electric heater, fan, etc.) can be added to these basic configurations.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail based on an embodiment shown in the drawings. Note that the present invention is not limited to this. First, in FIG. 1, a dishwasher 1 includes a main body 3 having a washing chamber 2 formed therein, a tableware basket 4 provided in the washing chamber 2, a nozzle 5 provided in the washing chamber 2, The washing water circulation passage 6 extending from the bottom of the nozzle 2 to the nozzle 5, and a pump 7 interposed in the circulation passage and pressurizing the washing water and jetting the washing water from the nozzle 5 are provided.

Further, in FIGS. 1 to 3, the dishwasher 1 comprises:
A detergent container 8 rotatably attached to the tableware basket 4,
An operation channel 9 communicating with the washing water circulation channel 6 and an operation piece 1 provided so as to be able to protrude and retract from an opening 10 formed in the operation channel.
1 is provided. Thus, the detergent container 8 is particularly suitable for use in FIGS.
, A container 12 rotatably attached to the tableware basket 4 and a lid 1 pivotally supported by the container 12 so as to be openable and closable.
3 and a substantially horizontal contact plate 1 formed integrally with the container 12
4 Reference numeral 15 denotes a rotation axis of the detergent container 8, and reference numeral 16 denotes an opening / closing axis of the lid 13.

Next, the working channel 9 extends upward from the washing water circulation channel 6, and the above-mentioned opening 10 is formed at the tip thereof so as to face the contact plate 14 of the detergent container 8. Are formed in a reverse container, and are disposed so as to be vertically movable (freely) along the inside of the working channel 9. At the tip of the operating piece 11, an injection port 1 for injecting washing water into the dishes of the upper tableware basket 4a.
7 (comprising two injection ports 17a and 17b having different angles). Reference numeral 18 denotes a shaft that rotatably supports the nozzle 5, 19 denotes a water reservoir at the bottom of the cleaning chamber 2, and 20 denotes a water suction pipe of the pump 7.

Thus, the dishwasher 1 pressurizes and circulates the washing water from the bottom of the washing chamber 2 through the washing water circulation channel 6 by the operation of the pump 7. Then, washing water is sprayed from the nozzle 5 to wash the dishes (not shown) of the dish basket 4. On the other hand, in the working flow path 9 communicating with the cleaning water circulation flow path 6, the working piece 11 is moved upward by the supply of the pressurized cleaning water and the contact plate 14 is moved.
, And the contact plate 14 is forcibly pushed up, thereby rotating the entire detergent container 8 about the rotation shaft 15. The detergent container 8 rotated in this manner allows the lid 13 to open naturally, whereby the detergent (not shown) in the detergent container 8 can be discharged into the cleaning chamber 2.

That is, the operating piece 11 accompanying the increase in the pressure of the washing water
The detergent can be automatically discharged into the cleaning chamber 2 using the upward movement of the cleaning agent. At this time, the working piece 11 injects washing water from an injection port 17 formed at the tip thereof to wash the tableware placed on the upper tableware basket 4a and to assist the spray of the washing water of the nozzle 5.

After the dishwashing is completed, the user returns to the original position when preparing the next dishwashing after the dishwashing is completed and the lid 13 is closed after filling the detergent.
The working piece 11 projects from the opening 10 of the working flow path 9 to open the detergent container 8 so that the detergent can be discharged into the washing chamber 2 and the washing water is spouted out from the jet opening 17 so that the tableware basket Can be washed, so that the upper tableware basket 4
It is not necessary to newly provide a nozzle for a, and the structure can be simplified. However, the ejection function of the upper tableware basket 4a may be obtained by another member (for example, a nozzle such as the arm type nozzle 5 is provided above the upper tableware basket 4a).

[0017]

According to the present invention, a specific working piece is protruded and moved by utilizing the pressure of the cleaning water, and the detergent container is forcibly opened by the protruding movement so that the detergent can be charged into the cleaning chamber. Therefore, it is possible to automate the introduction of the detergent with a very simple configuration without using a drive source such as a solenoid. In addition, since the mechanism is simplified and the electric parts are eliminated, the number of failures is reduced, and the maintenance and management become easy. In addition, the detergent container is started at the rising pressure of the cleaning water, and the detergent is supplied by supplying the cleaning water when the cleaning is started, so the detergent is surely supplied at the time of cleaning without considering the supply timing. can do.

Further, the detergent container is rotatably mounted on the tableware basket, and the detergent container is turned over by abutting of the operating piece, so that the detergent container and the operating piece do not require a connecting mechanism for transmitting a force, and the configuration is omitted. Can be easily done. Further, by forming the injection port at the tip of the operating piece, the dishwashing detergent nozzle can also serve as an auxiliary function of the dishwashing detergent.

[Brief description of the drawings]

FIG. 1 is an overall structural explanatory view showing one embodiment of the present invention.

FIG. 2 is an enlarged explanatory view of a main part of FIG. 1;

FIG. 3 is a plan view of a part of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Dishwasher 2 Washing room 3 Main body 4 Tableware basket 5 Nozzle 6 Washing water circulation channel 7 Pump 8 Detergent container 9 Working channel 10 Opening 11 Working piece 12 Container body 13 Lid 14 Contact plate 17 Injection port

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Kenji Yamane 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (56) References JP-A-4-141124 (JP, A) Hei 6-17663 (JP, U) JP-B 47-23158 (JP, B1) JP-B 54-15912 (JP, Y2) JP-B 40-19422 (JP, Y1) (58) Fields surveyed (Int .Cl. ⁷ , DB name) A47L 15/44

Claims (3)

(57) [Claims] 1. A main body having a washing chamber formed therein, a dish basket provided in the washing chamber, a dish washing nozzle provided in the washing chamber, and a washing water circulating flow from the bottom of the washing water to the nozzle. A dishwasher provided with a passage, a pump interposed in the circulation flow path, and pressurizing and jetting washing water from a nozzle; a detergent container provided in a cleaning chamber; and the detergent passing through the cleaning water circulation flow path. An operating flow path having an opening corresponding to the container, and an operating piece provided near the opening and protruding from the opening so as to be immersed by the pressurized washing water to open the detergent container and supply the detergent into the washing chamber. A dishwasher comprising: 2. The dishwasher according to claim 1, wherein the detergent container is rotatably attached to the dish basket, and the operating piece rotates the detergent container by abutment during the projecting operation, thereby discharging the detergent from the detergent container. . 3. The dishwasher according to claim 1, wherein the working piece has an injection port at a tip thereof.