JPH11225935A - Dishwasher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely prevent the undesired opening of a cover by providing a dishwasher main body with a first locking means and a first engagement part, and further providing the cover with a second engagement part to be engaged with the first locking means, and a second locking means to be engaged with the first engagement part when the first locking means is disengaged from the second engagement part. SOLUTION: When a lower part of a lock releasing button 5 mounted on a front cover 6 of a dishwasher, is pushed, a locking part 5a is drawn out from an opening part 14a, and the lock of a cover 4 is released. On this occasion, a rack 14 and a handle lever 25 mounted on the cover 4 are moved upward, and a cover switch 15 is turned OFF. Further the front cover 6 comprises a first engagement part (projection) 6a projecting outward from the dishwasher, so that a locking claw 28a of a second locking means 28 is engaged with the projection 6a when the cover 4 is opened in the condition that the lock is released, whereby the opening of the cover 4 is regulated. By moving the handle lever 25 upward against a spring 52, the lock of the locking claw 28a and the projection 6a is released, and the cover 4 can be opened.

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 dishwasher lid.

[0002]

2. Description of the Related Art As disclosed in Japanese Patent Application Laid-Open No. 9-108161, a lid of a conventional dishwasher that can open and close a washing tank opening can be opened and closed. Was configured to lock the lid by hooking on the locking device. When the lid is opened, the locking portion is released from the locking device by pushing the lower part of the locking device toward the dishwasher main body, and the lid is opened.

[0003]

However, in the technique disclosed in Japanese Patent Application Laid-Open No. Hei 9-108161, when opening the lid, a single operation such as pushing the lower part of the locking device toward the dishwasher body side. When the lock device is operated during the cleaning operation, the cleaning process is temporarily stopped, but the lid opens before the nozzle stops spraying the cleaning water. Could jump out of the machine and be burned by the hot washing water that jumped out.

[0004] Even when the locking device is operated during the drying operation, the lid is opened and high-temperature steam is blown out, and this steam may cause burns.

[0005] An object of the present invention is to solve the above problems and to provide a dishwasher with improved safety by preventing burns due to high-temperature washing water and steam due to careless opening of the dishwasher lid. It is in.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is characterized by a dishwasher body having an opening opening upward, and a dishwasher formed in the dishwasher body. A storage tank, and a lid that covers an opening of the dishwasher main body so as to be openable and closable, wherein the dishwasher main body has first locking means for regulating opening and closing operations of the lid;
A first engaging portion, wherein the lid has a second engaging portion that engages with the first locking means;
And second locking means that engages with the first engagement portion when the engagement state with the engagement portion is released.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is a perspective view showing the overall appearance of the dishwasher, FIG. 2 is a longitudinal sectional side view showing the internal structure of the dishwasher shown in FIG. 1, and FIG. 3 is the back of the dishwasher shown in FIG. FIGS. 5 to 7 are detailed views of the lid structure of the dishwasher shown in FIG. 2 and show the operation at the time of opening.

1 to 4, reference numeral 1 denotes a dishwasher;
Is a dishwasher main body which opens upward and covers the lower side of the dishwasher 1. In the dishwasher body 2,
A tableware storage tank 3 for storing tableware to be washed is provided, and a lid 4 that opens upward is provided on the upper surface thereof. The lid is rotatable about a rotation shaft 26 and is urged upward by a spring 27 as urging means.

In front of the lid 4, the handle lever 25 urged downward by a spring 52, the lock of the lid 4, and the lid switch 1
5 is provided with a latch 14 for interlocking the ON-OFF operation of No. 5. The tableware storage tank 3 is provided with steps 3a and 3b, and the tableware storage lower basket 8 and the glass basket 9 are detachably mounted on the mounting portion 3a and the mounting portion 3b, respectively.

As shown in FIG. 3, a base 7 is provided below the tableware storage tank 3. On the base 7, a pump for sending water to a nozzle of washing water and draining washing water is provided. 11 are provided. The pump 11 is driven by a pump motor 12. Further, on the base 7, a blower motor 18 for blowing air into the tableware storage tank 3 adjacent to the pump 11 and a heater 17 for changing water to hot water and changing the wind from the blower motor 18 to hot air are arranged. Has been established.

Right below the tableware lower basket 8 in the tableware storage tank 3, there is provided an arm nozzle 10 which rotates about a central portion as a fulcrum.
Is provided. On the upper surface of this arm nozzle 10,
A plurality of small holes 10a are provided.

As shown in FIG. 4, a water supply solenoid valve 16 is provided on the back of the tableware storage tank 3.

A front cover 6 is attached to the dishwasher main body 2 in front of the tableware storage tank 3. The front cover 6 has a controller 13 for controlling each electric component, and a lock for the lid 4 when the lid 4 is opened and closed. And the first to unlock
A lock release button 5 is provided as a locking means.

Next, the operations of washing, rinsing with water, rinsing with warm water and drying of the dishwasher 1 according to the present embodiment will be described.

First, the water supply electromagnetic valve 16 is energized to open the valve and the tableware storage tank 3 is supplied with washing water. The supplied washing water is heated by a heater 17 and is runner 19 of a pump 11 driven by a pump motor 12.
Is rotated to draw in water from the water reservoir 20 at the bottom of the tableware storage tank 3, and the arm nozzle 10 is discharged from the pump discharge port 21.
Supply pressurized water inside.

Then, dirt adhering to the tableware is peeled and dispersed by directly injecting pressurized water from the small holes 10a of the arm nozzle 10 into the tableware in the tableware lower basket 8 and the tableware in the glass basket 9. . At this time, the pressurized water from the arm nozzle 10 is sprayed over the entire area of the tableware storage tank 3. When the cleaning has been performed for a certain period of time, the power supply to the heater 17 is stopped to terminate the cleaning operation, the rotation direction of the runner 19 of the pump 11 is reversed, and the cleaning water in the tableware storage tank 3 is discharged outside the machine. Then, the process proceeds to the rinsing step.

The rinsing operation is performed by repeating the same operation as the cleaning operation several times. At this time, the heater 17 is energized only in the warm water rinsing operation, and is not performed in other rinsing operations.

When the rinsing operation is completed, the process proceeds to a drying step.

In the drying step, the blower unit 18 is energized and rotated by the blower fan 22, and the heater 17, the blower passage 23
Is blown into the tableware storage tank 3 through the. At this time, the heater 17 turns on and off the energization to change the cold air into the hot air, and the hot air causes the water droplets and residual water adhering in the tableware storage tank 3 and the water for the tableware storage. Water drops adhering to the tableware stored in the lower basket 8 or the glass basket are converted into steam, and discharged to the outside of the machine through the exhaust port 24. If the drying operation has been performed for a certain period of time, the dishwasher 1
The operation of is ended.

Next, the opening / closing operation of the lid will be described with reference to FIGS.

FIGS. 5 to 7 are views showing the operation when the lid is opened.

A latch 14 for interlocking the locking of the lid 4 and the ON / OFF operation of the lid switch 15, a handle lever 25 when the lid is opened, and a A locking portion 28 that operates in the following manner is provided. The locking portion 28 is formed with a locking claw 28a. These handle lever 25, locking portion 28, locking claw 28a
Constitute the second locking means. The latch 14 has an opening 14 as shown by an alternate long and short dash line in FIGS.
a is formed.

The front cover 6 is provided with a lock release button 5 urged by a spring 51 so as to be rotatable. The lock release button 5 is provided with a locking portion 5a serving as first locking means protruding toward the tableware storage tank 3 direction.

FIG. 5 shows the locked state of the lid 4.

The lower part of the lock release button 5 is urged toward the outside of the dishwasher by a spring 51, and the locking part 5a above the lock release button 5 is pushed inward of the dishwasher, and the second part is pressed. Opening 14 of latch 14 serving as an engaging portion
a. In this state, the locking portion 5a and the opening 1
Since the lower end of 4a is in contact, the lid 4 is locked.

When the lid 4 is closed, the tip of the latch 14 comes into contact with the switch portion 15a of the lid switch 15, so that the lid switch 15 is turned on. , A series of operations such as a drying step are possible.

Next, the operation of opening the lid 4 will be described.

When the lower part of the lock release button 5 attached to the front cover 6 is pressed, the locking portion 5a comes out of the opening 14a, the lid 4 is unlocked, and the lid 4 operates to open upward. At this time, as shown in FIG. 6, the latch 14 and the handle lever 25 installed on the lid 4 also move in the upward opening direction in conjunction with the lid 4, and the lid switch 15 is turned off. In the embodiment of the present invention, the lid 4 is not completely opened by only one operation of the unlock button 5. This configuration will be described below.

The front cover is provided with a projection 6a serving as a first engagement portion which is formed so as to project outward of the dishwasher. The lid 4 unlocked by the operation of the lock release button 5 moves upward so as to open, but the locking claw 28a of the locking portion 28 serving as the second locking means engages with the projection 6a. By doing so, the upward movement of the lid 4 is prevented. Thereby, the opening of the lid 4 is regulated.

When the cover 4 is opened from this state, the handle portion 4a of the cover and the handle lever 25 are pinched, and the handle lever 25 is moved upward against the urging force of the spring 52, whereby the handle lever 25 is moved. 7 is moved to the outside of the dishwasher, and the locking state between the locking claw 28a of the locking portion 28 and the projection 6a is released.
The lid 4 can be opened as shown in FIG.

As described above, according to the present embodiment, the lid 4 is not completely opened when the locking device is operated during the cleaning operation by using a two-stage locking mechanism for the lid 4. Also, it is possible to prevent the washing water from jumping out of the machine, and it is possible to prevent burns caused by the washing water. Similarly, even when the locking device is operated during the drying operation, burns due to high-temperature steam can be prevented.

Since the lid unlocking button 5 and the handle lever 25 are separate parts, the operation when the lid 4 is opened is reliable.
This is a stepwise method, and the above-mentioned problem does not occur. In addition, since the washing water can be prevented from being scattered outside the machine, it is possible to prevent damage such as wetting the installation portion or causing the wooden floor to rot.

Further, since the position of the handle lever 25 is on the back side of the handle portion 4a of the lid, the appearance is smart.
The unlocking operation can also be made natural.

In the present embodiment, the locked state of the lid 4 is released in a two-stage system.
The locked state may be released at a plurality of times equal to or more than the number of steps.

[0036]

As described above, according to the present invention, since the lid is opened by two or more operations, the locking device is operated erroneously during the operation of the dishwasher and the lid of the dishwasher is operated by mistake. It is possible to prevent a burn caused by high-temperature washing water and steam due to the opening of the dishwasher, and to provide a dishwasher with improved safety.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the overall appearance of a dishwasher.

FIG. 2 is a vertical sectional side view showing the internal structure of the dishwasher shown in FIG.

FIG. 3 is a structural diagram of components in a base of the dishwasher shown in FIG. 1;

FIG. 4 is a rear view of the dishwasher shown in FIG. 1;

FIG. 5 is a detailed view (1) of a lid configuration.

FIG. 6 is a detailed view (2) of the lid configuration.

FIG. 7 is a detailed view (3) of a lid configuration.

[Explanation of symbols]

3: tableware storage tank, 5: lock release button, 6: front cover, 14: latch, 15: lid switch, 25: handle lever.

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Takashi Tomita 1-1-1, Higashitaga-cho, Hitachi City, Ibaraki Pref.

Claims (1)

[Claims] A dishwasher main body having an opening opening upward, a dish storage tank formed in the dishwasher main body, and a lid for opening and closing the opening of the dishwasher main body. The dishwasher body has a first locking means for regulating the opening and closing operation of the lid, and a first engaging portion, and the lid is engaged with the first locking means. A second locking portion, and a second locking portion that engages with the first locking portion when the first locking portion and the second locking portion are released from the engaged state. A dishwasher comprising: