JP2002345716A - Dish washer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dish washer capable of avoiding the early defacement of a body casing by preventing the adhered water adhered to the whole inner surface of a lid body from flowing into the body casing. SOLUTION: In this dish washer, an upwardly opened washing tub 2 is constituted so as to be horizontally or substantially horizontally insertable and drawable to the body easing 1, and the lid body 10 for opening and closing the upper opening part of the washing tub 2 is provided on the upper part of the body casing 1 in the state opened and closed so as to close the opening part when housing the washing tub 2 in the body casing 1 and open the opening part when the washing tub 2 is drawn from the body casing 1. The lid body 10 is constituted so as to have an inclined attitude where the inner surface is lowered toward one side, so that the adhered water 23 adhered to the inner surface flows to the lower side of the inclined attitude and falls in the washing tub 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a cleaning tank having an opening at an upper portion, which is configured to be able to be inserted into and removed from a main casing in a horizontal or substantially horizontal direction, and to open and close an upper opening of the cleaning tank. A state in which the lid is opened and closed to close the opening when the cleaning tank is stored in the main casing, and to open the opening when the cleaning tank is pulled out of the main casing. The present invention also relates to a dishwasher provided on an upper portion of the main casing.

[0002]

2. Description of the Related Art In such a dishwashing machine, a washing tank is pulled out of a main body casing, an object to be washed such as tableware is put into or taken out of the washing tank, and a washing tank containing the object to be washed is attached to the main body casing. And the cleaning liquid is jetted into the cleaning tank to clean the object to be cleaned. Further, the bottom surface portion in the main body casing is exposed to a space in the main body casing. Then, as described in, for example, JP-A-2001-46303, a lid for opening and closing the upper portion of the cleaning tank is configured to move while maintaining a horizontal posture in a vertical direction by a link mechanism, and is moved in an opening direction. An urging means for urging is provided, and when the cleaning tank is pulled out, the lid is opened by the urging force, and the lid is held in a substantially horizontal state in the upper portion inside the main body casing. When the washing tank is stored, the lid closes the upper part of the washing tank in a horizontal posture.

[0003]

In the dishwasher, during the washing operation, the washing liquid adheres to the inner surface of the lid 10 during the washing operation, as shown in FIG. When the object to be cleaned is taken in and out, FIG.
As shown in the figure, the washing tank is pulled out from the main casing in a state where a large amount of water adheres to the inner surface of the lid, and the lid remains in a horizontal state at the upper part in the main casing, and the lid is Since it is also horizontal on the inner surface of
A large amount of water adhering to the inner surface does not flow, but flows down from the entire inner surface of the lid into the main body casing. Then, when the state in which the attached water drops on the bottom portion in the main body casing in a large amount is repeated, as time passes,
For example, when the main body casing is formed of a metal such as a steel material, the main body casing may be contaminated early, such as being corroded, and when being formed of a resin or the like, mold may be generated. By the way, the main body casing is made of metal such as steel, or resin, etc., and even when the cleaning liquid flowing down to the main body casing is water, it is soiled, and depending on the cleaning conditions, the cleaning liquid has acidity and alkalinity. When various cleaning agents such as cleaning agents are used, the acidic or alkaline cleaning liquid further promotes the fouling action, and when these cleaning liquids flow down to the main body casing, the fouling occurs earlier. Further, as described in Japanese Patent Application Laid-Open No. 2000-166850, a wiper blade as a water droplet removing means is provided at an upper part on the back side of the dishwashing tank, and as the washing tank is pulled out, the inner surface of the lid body is pulled out. Means for scraping off and removing adhering water adhering to the surface have been proposed. However, there has been a problem in that a scraping error may result in the remaining of the adhering water flowing down. The present invention has been made in view of the above circumstances, and an object of the present invention is to prevent water adhered to the entire inner surface of the lid from flowing down into the main body casing, and the main body casing is quickly contaminated. DISCLOSURE OF THE INVENTION It is an object of the present invention to provide a dishwasher capable of avoiding the operation.

[0004]

Means for Solving the Problems [Invention according to claim 1]
According to the first aspect of the present invention, the cleaning tank having an upper opening is provided.
The lid is configured to be removably insertable in the horizontal or substantially horizontal direction with respect to the main casing, and a lid that opens and closes an upper opening of the cleaning tank is provided with the opening when the cleaning tank is stored in the main casing. A dishwasher provided on an upper portion of the main body casing in a state where the opening and closing operation is performed to open the opening when the cleaning tank is pulled out of the main body casing. The body is configured such that, in the open state, the inner surface has an inclined position in which the inner surface is lower toward one side, and adhered water adhered to the inner surface is caused to flow to the lower side of the inclined position, and the inside of the cleaning tank is inclined. It is characterized in that it is configured to flow down to

[0005] That is, when the lid for opening and closing the upper opening of the cleaning tank is operated so as to pull out the cleaning tank from the main body casing and open the upper opening of the cleaning tank, the inner surface of the cleaning tank is on one side. As it is configured to be lower, the attached water attached to the entire inner surface of the lid in the open state flows down the inner surface to the lower side of the inclined posture and is aggregated, and from the aggregated position It will flow down to the washing tank.

Therefore, even if the cleaning tank is pulled out of the main casing during the cleaning operation and a large amount of cleaning liquid adheres to the inner surface of the lid, a large amount of water adhering to the inner surface of the lid is covered by the lid. It is possible to suppress the flow from the entire inner surface of the body into the main body casing, and it is possible to prevent the main body casing from being soiled at an early stage.

[0007] The invention according to claim 2 is configured such that the inner surface of the lid in the open state has an inclined posture that is lower toward the front side as the inclined posture. The lid is configured such that, in the open state, the front end of the inner surface is overlapped with the upper portion of the drawn out cleaning tank, and adheres to the lower surface of the inner surface in the inclined posture, and adheres to the self-weight. It is characterized in that it is configured to flow down into the washing tank by dropping.

That is, when the cleaning tank is pulled out of the main body casing and is located at the forefront of an allowable range in the front-rear movement direction of the cleaning tank, the lid is opened in an open state in which the opening is opened. The inner surface of the lid has a lower inclined position toward the front side, and the front end of the inner surface is configured to overlap with the upper part of the washing tank. Water flows to the front side of the inner surface of the lid, and flows down from the front end of the inner surface into the washing tank by its own weight.

[0009] Therefore, in order to cause the adhered water adhering to the inner surface of the lid to flow down into the washing tank, the adhered water is made to flow using the parts originally provided for constituting the dishwasher. Therefore, the present invention can be implemented with a simple configuration without adding new parts.

According to a third aspect of the present invention, the lid is configured to be vertically opened and closed with respect to the opening of the cleaning tank, and When being operated from the closed state to the open state, it is operated to a lower inclined position as one side thereof,
It is characterized in that the inner surface is configured to have the inclined posture.

That is, when the lid is operated from the closed state to the open state, the lid is moved up and down so as to be inclined to the lower side toward one side. When the inner surface of the lid is open,
Since it is in the inclined posture, in the open state, the water adhering to the inner surface of the lid flows to the lower side of the inner surface of the lid.

Therefore, it is possible to suppress the flow of the water adhering to the main body casing by utilizing the structure in which the lid provided in the dishwasher is moved in the vertical direction, so that the manufacturing is easy. It is something.

According to a fourth aspect of the present invention, the lid is moved to be opened and closed by moving the lid vertically or substantially parallel to the opening of the cleaning tank. The inner surface of the lid is configured to be in the inclined posture in both the open state and the closed state.

That is, in both the open state and the closed state, the inner surface of the lid is in the inclined position, so that the water adhering to the inner surface of the lid always flows to the lower side of the inclined position and the cleaning tank. Because it will flow down inside
The amount of water adhering to the inner surface of the lid in the closed state is reduced.

Therefore, it is possible to prevent a large amount of the adhered water from adhering to the inner surface, so that the effect of suppressing the adhered water from flowing down to the main body casing is further enhanced, and even when the drying operation is performed after the cleaning operation. In addition, it is possible to prevent the water from adhering to the tableware from flowing down and insufficient drying.

According to a fifth aspect of the present invention, there is provided the invention, wherein the guide body, which is held on the casing side and guides and moves the lid vertically with respect to the opening of the cleaning tank, comprises: It is characterized in that it is configured to be guided to move to the closed state of the opening along with the storage movement of the cleaning tank, and to be guided to move to the open state of the inclined posture with the pulling movement of the cleaning tank. I do.

That is, the lid is opened and closed by performing the operation of storing and extracting the cleaning tank.

Therefore, the opening and closing of the lid can be appropriately operated in conjunction with the drawing and storage of the washing tank.

[Invention of claim 6] In the invention of claim 6, one of the guide body and the guided body on the lid side guided and moved by the guide body is a cam member, and the other is a cam member. Is constituted by a cam follower.

That is, the opening and closing of the lid accompanying the horizontal movement of the cleaning tank moves the lid up and down and back and forth along a locus determined by the cam action of the cam member and the cam follower. .

Therefore, the guide body and the guided body can be linked by a link mechanism. In this case, however, the link mechanism becomes complicated, which may cause an increase in cost. By employing such a cam mechanism, a smooth operation can be obtained with a simple structure. Further, in the combination with the third aspect, the configuration in which the lid is in a lower inclined position toward one side when operated from the closed state to the open state is also easy, and the angle of the inclined posture is further increased. The setting and the vertical movement range can also be easily adjusted.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a dishwasher according to the present invention will be described below with reference to the drawings. [First Embodiment] As shown in FIGS. 1 and 2, a dishwasher according to the present invention includes a box-shaped main body casing 1 formed of a metal plate or the like and having an open front surface. 1 is provided with a washing tank 2 having an open upper part which can be inserted or removed in a horizontal or substantially horizontal direction in a storage space inside the storage tank 1. A cleaning pump 3 and the like are disposed below the cleaning tank 2, and a cleaning nozzle 4 and a heater 5 are disposed inside the cleaning tank 2. A washing basket 6 for accommodating tableware and the like is housed in the inside so as to be freely taken out.

When viewed from the front of the dishwasher, a pair of left and right slide mechanisms 7 composed of rails and the like are provided inside the main body casing 1, and the washing tank 2 is provided via the pair of left and right slide mechanisms 7. However, the slide movement in the storage movement direction indicated by arrow A and the slide movement in the pull-out movement direction indicated by arrow B with respect to the storage space of the main casing 1 can be inserted or removed in the horizontal or substantially horizontal direction. Have been. A main body cover 9 having a handle 8 and the like is attached to the front surface of the cleaning tank 2. The main body lid 9 is slid in the pull-out movement direction B so that the cleaning tank 2 is moved to the front side as shown in FIG. As shown in FIG. 2, the washing tank 2 is moved into the main body casing 1 by being pulled out to allow the tableware and the washing basket 6 to be taken out and stored therein. The lid 10 is configured to be housed so that the dishes can be washed and dried, and a lid 10 for preventing splashing of washing water from the washing tank 2 at the time of washing the dishes is provided at an upper portion inside the main body casing 1. It is arranged in.

As shown in FIGS. 9 and 10, the inner surface of the lid 10 is formed so as to be substantially corrugated.
A plurality (four in the present embodiment) of ridges 22 are arranged side by side on the inner surface of the lid 10. In forming this substantially corrugated plate shape, the portion corresponding to the valley portion is formed to be substantially V-shaped, and the lower end of the ridge portion 22 is configured to be sharp.

When arranging the ridges 22 side by side, the longitudinal direction of the ridges 22 extends along the moving direction of the washing tank 2 with respect to the main body casing 1 and the projections at both ends in the arrangement direction of the ridges 22. Each of the ridges 22 is spaced apart from the portion facing the rim of the opening of the cleaning tank 2 when the opening of the cleaning tank 2 is closed, and the front end of each ridge 22 in the longitudinal direction is When the cleaning tank 2 is open, the cleaning tank 2 is configured to overlap with the upper part of the drawn cleaning tank 2.

The lid 10 is made of a synthetic resin, as shown in FIG.
As shown in detail in FIGS. 4 and 5, a protruding portion 11 that protrudes downward is provided integrally at the rear end, and a metal edge member 12 is attached to both left and right edges thereof. As will be described in detail later, front and rear pins 13A and 13B functioning as cam followers, which are guided bodies, are provided at front and rear portions of the left and right edge members 12, respectively, two each so as to protrude left and right outside. I have. Further, a locking portion 14 is provided above the edge member 12, and a coil for urging the lid 10 toward the upper front side between the pair of right and left locking portions 14 and the main casing 1. A lid spring 15 made of a spring is interposed, and a seal member 16 made of an elastic material is attached to the inner surface of the lid 10 along the outer periphery. Further, a pair of front and rear holding tongue pieces 17A and 17B formed by cutting out a plate material forming the main body casing 1 are provided on the left and right inner sides of the main body casing 1 so as to correspond to the pins 13A and 13B on the lid body 10 side. Pairs are provided, and pins 13A, 13B are provided by holding tongue pieces 17A, 17B of each pair.
Front and rear clamp members 18A as guide bodies cooperating with
18B is held movably in the opening and closing direction of the lid 10 with respect to the upper opening of the cleaning tank 2 indicated by the arrow C.

The front and rear clamp members 18A, 18B
Is made of a synthetic resin or metal molded product, and as shown in FIG.
Cam grooves 19A, 1 functioning as cam members into which B fits
9B, holding pieces 20A, 20B are provided below the cam grooves 19A, 19B so as to contact and hold the upper edges of the pair of holding tongue pieces 17A, 17B.

As shown in FIG. 7, the cam grooves 19A and 19B have a lowermost position a where the pins 13A and 13B are located when the cleaning tank 2 is stored in the main body casing 1, and the cleaning tank 2 is A vertically extending center line L of the clamp members 18A, 18B is provided so as to be inclined with respect to the uppermost position b located when the clamp member 18A is pulled out from the casing 1.
In the state where the lowermost position a is located on the upper side, a pair of right and left pairs is provided continuously to each other, and the clamp member 1 is provided.
8A and 18B themselves are also symmetrical about the center line L. Then, the clamp members 18A, 18B are opened and closed in a state where the cam grooves 19A, 19B and the like are directed inward by four pairs of holding tongue pieces 17A, 17B provided on the left and right inner sides of the main body casing 1, respectively. C and movably held on the cam grooves 19A and 19B of the clamp members 18A and 18B.
A and 13B are fitted.

When the washing tank 2 is housed in the housing space in the main body casing 1 by such a configuration, FIG.
As shown in FIG. 5, the pressing member 21 of the cleaning tank 2 comes into contact with the protruding portion 11 of the lid 10 and presses it in the storage moving direction A, so that a total of four pins 13A projecting from the lid 10 , 1
3B is a cam groove 19 of each clamp member 18A, 18B.
A, located at the lowest position a in 19B,
0 closes the upper opening of the cleaning tank 2.

When the cleaning tank 2 is pulled out from the stored state in the pulling-out movement direction B, as shown in FIG. 7 (b), the lid member 10 is biased by the lid spring 15 with the movement of the pressing member 21. Is moved in the pull-out direction B, and the four pins 13A and 13B are
It is moved in the pull-out direction B within 9B. Then, as shown in FIG. 7C, the four pins 13A, 13A
B is the uppermost position b in each of the cam grooves 19A and 19B.
And the lid 10 is operated to open the upper opening of the cleaning tank 2, and as shown in FIG. 1, the cleaning tank 2 is pulled out of the main casing 1.

As shown in FIG. 8, the holding tongue pieces 17A, 17
When the holding pieces 20A and 20B are in contact with the upper edge of B and the clamp members 18A and 18B are held,
When the position of the lowermost position a where A and 13B move is the same height, and when the cleaning tank 2 is pulled out and the pins 13A and 13B move to the position of the uppermost position b, 13B becomes 1
The front and rear holding tongue pieces 17A, 1
7B, and cam grooves 19A and 19B of the front and rear clamp members 18A and 18B are formed.

That is, in the closed state in which the upper opening of the cleaning tank 2 is operated to be closed, as shown in FIG. In the open state in which the upper opening of the cleaning tank 2 is opened, as shown in FIG. 11B, the lid 10 is moved from the closed position to the opening of the cleaning tank 2 as shown in FIG. The upper surface of the cleaning tank 2 is held at the upper portion of the main body casing in an inclined position in which the front surface is moved downward, and the opening of the cleaning tank 2 is opened. As a result of the inclination of the inner surface, the attached water 23 adhered to the inner surface of the lid 10.
Flows toward the ridge 22 and the ridge 2
2 and flow down to the cleaning tank 2 from the front end of the ridge 22 by its own weight.

Therefore, in the first embodiment, the cleaning tank 2 is pulled out and opened, and when a large amount of the adhesion water 23 adheres to the entire inner surface of the lid 10, the adherence adheres to the entire inner surface of the lid 10. By guiding the water 23 to the front side and flowing down to the cleaning tank 2, it is possible to prevent the attached water from flowing down to the main casing 1, and to prevent the main casing 1 from being soiled at an early stage.

[Second Embodiment] In the first embodiment, the lid body 10 is set in an inclined position when the lid 10 is opened, so that the inner surface of the lid is set in an inclined position. The dishwasher according to
The lid is moved and opened and closed in a state of being parallel or substantially parallel to the opening in the up-down direction, and the inner surface of the lid is always in an inclined posture.

That is, as shown in FIG. 12, the holding tongue pieces 17A, 17B and the front and rear clamping members 18A, 18
B have the same specifications for the cam grooves 19A and 19B, and the lowermost position a of the four pins 13A and 13B in the closed state.
And the uppermost position b of the four pins 13A and 13B in the open state is the same height, so that the height of It is configured to be moved and opened and closed in a state of being parallel or substantially parallel to the vertical direction. Also, the lid 10
The inner surface of the lid 10 is formed to have an inclination such that the inner surface is inclined downward as the front surface becomes lower even when the is horizontal.

That is, in the closed state in which the upper opening of the cleaning tank 2 is operated to be closed, as shown in FIG. Is closed, the inner surface of the lid body 10 has an inclined posture that becomes lower toward the front side, and flows toward the ridge portion 22 due to the inclination of the inner surface.
Along the lower side of the inclined posture, and flows down from the front end of the ridge 22 to the washing tank 2 by its own weight.
In the open state in which the upper opening of the cleaning tank 2 is opened, as shown in FIG. 13B, the lid 10 is moved from the position where the lid 10 is in the closed state to the opening of the cleaning tank 2. It is moved upward, is held at the upper part of the main body casing in a substantially horizontal posture, and opens the opening of the cleaning tank 2,
The attached water 23 attached to the inner surface of the lid 10 flows toward the ridge 22 due to the inclination of the inner surface, and flows downward along the ridge 22 in the inclined posture, and the front end of the ridge 22. From the cleaning tank 2 by gravity.

Therefore, in the second embodiment, the amount of the adhering water 23 adhering to the inner surface is reduced because the adhering water 23 adhering to the inner surface flows down into the cleaning tank even in the closed state. Even if it is opened during the cleaning operation, the amount of the adhering water 23 adhering to the inner surface can be suppressed, and a great effect can be obtained to suppress the flow of the adhering water to the main casing 1. In addition to avoiding contamination at an early stage, even when the drying operation is performed after the cleaning operation, it is possible to prevent the adhesion water 23 from flowing down on the tableware and insufficient drying.

[Another Embodiment] (1) In order to carry out the present invention, the configuration of the first embodiment and the configuration of the actual mode 2 are combined so that the inner surface of the lid is inclined when the inner surface of the lid is closed. In the open state, the lid may be configured to be inclined.

(2) A configuration in which a wiper blade that moves while being pressed against the inner surface of the lid is provided in the cleaning tank, and the water attached to the inner surface is removed by the wiper blade by pulling out the cleaning tank is described in the above embodiment. Can be implemented in combination.

(3) In the above embodiment, the shape of the inner surface is formed to be substantially corrugated, and the ridge is provided with a straight line, and the portion corresponding to the valley is formed. The lower end of the protruding ridge is configured to be pointed so as to be substantially V-shaped, but is not limited to this. For example, the lower end of the ridge may be formed by an arcuate curved surface. Or,
It may be formed in a flat plane shape without a ridge.

(4) In the above embodiment, the front end of the inner surface of the lid is configured to overlap with the upper portion of the pulled-out cleaning tank in the open state where the cleaning tank is pulled out in the pull-out movement direction B side. The example in which the attached water is allowed to flow down directly from the front end of the inner surface of the lid to the cleaning tank is shown, but without overlapping the front end of the inner surface and the upper part of the drawn out cleaning tank, a gutter or the like is used. Adhered water can be poured into the washing tank from the inner surface of the lid by interposing.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a dishwasher.

FIG. 2 is a vertical sectional side view of the dishwasher.

FIG. 3 is a longitudinal sectional side view of a main part of the dishwasher.

FIG. 4 is a longitudinal sectional side view of a main part of the dishwasher in an opened state.

FIG. 5 is a cross-sectional side view of a main part of the dishwasher.

FIG. 6 is a perspective view of a clamp member and a holding tongue.

FIG. 7 is a side view showing the operation of the clamp member.

FIG. 8 is a perspective view of a front and rear clamp member.

FIG. 9 is an inner view of the lid.

FIG. 10 is a cross-sectional side view of the lid.

FIG. 11 is a longitudinal sectional side view of the dishwasher of the first embodiment.

FIG. 12 is a longitudinal sectional side view of a main part of a dishwasher according to a second embodiment.

FIG. 13 is a longitudinal sectional side view of a dishwasher according to a second embodiment.

FIG. 14 is a longitudinal side view of a dishwasher according to the prior art.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body casing 2 Cleaning tank 10 Lid 13A, 13B Cam follower 19A, 19B Cam member 23 Adhered water

Claims (6)

[Claims] 1. A cleaning tank having an opening at an upper portion is configured to be insertable into and removable from a main body casing in a horizontal or substantially horizontal direction, and a lid for opening and closing an upper opening of the cleaning tank is provided with a cover. When the tank is stored in the main casing, the opening is closed, and when the cleaning tank is pulled out of the main casing, the opening and closing operation is performed to open the opening. A dishwasher provided at an upper portion, wherein the lid is configured such that, in the open state, an inner surface thereof is inclined downward such that an inner surface is lower toward one side, and adheres water adhering to the inner surface. A dishwasher configured to flow downward in the inclined posture and flow down into the washing tank. 2. An inner surface of the lid in the open state is configured to have an inclined posture in which the front surface is lower as the inclined posture, and the front end portion of the inner surface of the lid in the open state. Is configured to overlap with the upper part of the washing tank from which the water is drawn, and is configured to cause the attached water flowing to the lower side of the inner surface in the inclined posture to flow down into the washing tank by its own weight. The dishwasher according to claim 1. 3. The apparatus according to claim 2, wherein the lid is configured to be moved up and down with respect to the opening of the cleaning tank to be opened and closed, and when the lid is operated from the closed state to the open state. The dishwasher according to claim 1, wherein the dishwasher is configured to be operated so as to be lower in inclination toward one side so that an inner surface thereof is in the inclination posture. 4. The lid is configured to be moved and opened and closed in a state parallel or substantially parallel to the opening of the cleaning tank in a vertical direction, and the inner surface of the lid is in the open state. The dishwasher according to claim 1, wherein the dishwasher is configured to be in the inclined posture in any of the closed state and the closed state. 5. A guide, which is held on the casing side and guides and moves the lid vertically with respect to the opening of the cleaning tank, is in a closed state with the storage movement of the cleaning tank. The dishwasher according to any one of claims 1 to 4, wherein the dishwasher is configured to be guided and moved to the open state of the inclined posture with the withdrawal movement of the washing tank. 6. The dishwasher according to claim 5, wherein one of the guide body and the guided body on the side of the lid guided and moved by the guide body comprises a cam member, and the other comprises a cam follower. .