JP3167463B2 - 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 structure for preventing a dripping when a dish is taken out by opening a door after washing.

[0002]

2. Description of the Related Art In recent years, even in a small dining room or the like, a small dishwasher as described in Japanese Utility Model Publication No. 3-16600, which is easy to operate and easy to handle, has become widespread.

One of the problems with this type of dishwasher is that when washing is completed and the door, that is, the door is opened and the tableware is taken out, hot water drips from the door and hits the operator's hand, which is troublesome. That is.

For this reason, Japanese Utility Model Publication No. Hei 3-16600 discloses a separately provided rotatable shield plate provided inside a door which is moved up and down to open and close the washing chamber. Closes the top opening of the door body to partially serve the top plate, and when the lid is opened, it tilts with the upward movement of the door body and falls behind the top plate from the back of the washing room. It has been devised.

[0005]

According to this structure, a shielding plate which tilts in accordance with the vertical movement of the door body is provided in the door body, so that a complicated mechanism is required and the number of components is increased, resulting in an increase in cost. There is also a problem that the maintenance and inspection work is complicated.

It is a good idea to form a gutter at the lower part of the door to prevent backward drooping, but if the gutter is small, it overflows.

[0007] The present invention has been made in view of the above points,
An object of the present invention is to provide a dishwasher in which a simple structure can be used to surely perform a later process, the cost is low, and the necessary functions are sufficiently obtained.

[0008]

SUMMARY OF THE INVENTION According to the present invention, a back plate is protruded.
And a back plate of the main body at an upper part of the main body.
A box-shaped door for opening and closing the washing chamber formed in the front, the said door support suspended at front of the center of gravity of the door before
Before pivoting and fixed to the outer surface of the back plate
A handle surrounding the periphery of the door, and abutting on the rear of the door,
Comprising a door supporting part in the vertical direction to the support member for slidably supporting arranged on top of said door, and a guide member for sliding said mounted to the rear lower end of the door along the door support, the Door support
The guide member that contacts the guide rail of the holding part is
Away from the support member abutting on the guide rail
When the guide rail of the door support is provided vertically,
The guide rail of the door is moved upward from below.
It is made to incline toward one.

[0009]

When the door is lifted upward by the handle and opened, the door guide member slides along the door support portion, and the door is lifted by being slid and guided by the upper support member.

The door is hung on the handle with the center of gravity rearward so as to always fall backward, and the support member and the guide member are positioned so that the door is supported by the door support with a degree of freedom in the front-rear direction. The arrangement relationship is shifted.

Therefore, as the door moves upward and opens, the door can be tilted backward. Therefore, when the door is opened to take out the dishes after the washing and rinsing is completed, after the hot rinse water, who drops from behind the door and does not rest on the hands of the worker entering from the front of the door.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes a main body of a dishwasher provided with a tank portion 10 at an upper portion, and a washing chamber 2 is formed at an upper portion by the tank portion 10 and a door described later. The interior of the main body 1 is a machine room 3 in which a washing pump 4 and a filter 5
And rinsing in addition to the washing tank 13 are arranged are disposed pump (not shown), which accumulate rinsing water in the hot water booster (not shown) are accommodated.

On the other hand, the upper cleaning nozzle 6a and the upper rinsing nozzle 7a and the lower cleaning nozzle 6b and the lower rinsing nozzle 7b are coaxially supported by the shaft portions 8 and 9 in the cleaning chamber 2, and are vertically opposed to each other. It is arranged. Each cleaning nozzle 6a, 6
b and the rinsing nozzles 7a and 7b are provided with a large number of jet ports for jetting the washing water and the rinsing water in the vertical direction. When the cleaning pump 4 is driven, the cleaning tank 1
The washing water in the upper and lower washing nozzles 6 is supplied through a pipe 11.
a, 6b and ejected. The washing nozzles 6a and 6b rotate with the jetting power of the washing water to emit the washing water, and wash the dishes stored in the washing rack 12 set in the washing chamber 2. The washing water is filtered and cleaned by the filter 5, collected in the washing tank 13, and reused.

On the other hand, rinsing water of hot water from a rinsing pump driven after washing is fed, for example, through the pipe 11 having a double pipe structure and arranged inside thereof, and is rinsed in the same manner as the washing water. Injection and rinsing is performed from the rotating rinsing nozzles 7a and 7b.

By the way, the cleaning chamber 2 is opened on the left and right side surfaces, the upper surface, and the peripheral surface on the front surface, excluding the back. Reference numeral 15 denotes a box-shaped door which is provided so as to completely cover the cleaning chamber 2 and is moved up and down by a handle described later to open and close the cleaning chamber 2. The door 15 is integrally formed with a gutter 16 along the inner peripheral surface at the lower end thereof. The gutter 16 receives water droplets of rinsing water that adheres to the inner surface of the door 15 and flows down. Drainage is possible. Reference numeral 18 denotes a handle made of a metal pipe, and is formed in a rectangular shape surrounding the door 15 with some margin. The handle 1 is attached to a pair of mounting portions 19a (only one is shown) projecting from the upper outer surface of a back plate 19 erected behind the washing chamber 2.
The handle 18 is mounted so as to be rotatable in the vertical direction by inserting the rear shaft portion 18b of the handle 8 therethrough. On the other hand, the front shaft portion 18a of the handle 18 serves as an operation unit.

[0017] and, and the door 15 to the handle 18 to be suspended support. Moreover always door 15 and suspended supported at a position nearer than the center of gravity of the door 15 is in a state such as falling backward.

That is, at the left and right side portions 18c (only one is shown) of the handle 18, the door hanging metal fittings 21 (only one is shown) are respectively suspended from a position in front of the center. The swingably mounted support lower end of the door hanger 21 and pivotally connected to the pivot portion 22 of the left and right side surfaces 15c of the door 15 (shown only one). Next, a description will be given of a structure in which the door 15 suspended and supported by the handle 18 is mounted on the cleaning chamber 2 so that the door 15 can be moved up and down by the up and down operation of the handle 18.
At the rear of the cleaning chamber 2, a door support 23 (only one is shown) is provided which is fixed to the back plate 19 and disposed to face the same. A door 15 is provided on the upper portion of the outer surface of each door support portion 23.
Is mounted on the supporting member, that is, a fixed roller 25, which supports from the rear so as to be slidable in the vertical direction.

On the other hand, a guide member that slides along the door support portion 23, that is, a moving roller 26 is attached to the lower end of the door 15 at the rear lower end thereof.

Here, as shown in FIG. 4, the moving roller 26 and the fixed roller 25 are shifted back and forth, and the two rollers 25, 26 are arranged in a slightly separated positional relationship.
In the embodiment, the support member and the guide member are rollers, but may be any means for sliding. And the door support 23
Is provided with a guide rail 27 at its front end, which is bent outward to guide and slide the moving roller 26. Further, the door 15 is provided with a guide rail portion 28 which is bent inward from the rear ends of the left and right side surfaces 15c to guide and slide the fixed roller 25. Here, the guide rail portion 27 is a straight surface in the vertical direction,
The guide rail portion 28 is formed in a tapered surface that is inclined rearward as going upward from below. That is, with the door 15 closed as shown in FIG.
The distance from 7 has a dimensional relationship of A> B. Therefore, these fixed rollers 2 slidably engaged with each other.
5. When the door 15 held movably in the vertical direction by the door support plate 23 by the moving roller 26 and the guide rails 27 and 28 is moved upward, the inclined guide rail 28
And the fixed roller 25, as the door 15 is opened, there is a deviation difference degree of freedom indicated by A> B.
Is inclined backward (the state shown by the two-dot chain line in FIG. 2).

Conversely, when the door is closed (solid line in FIG. 2)
The slope is close to zero.

A spring 31 is disposed between a protruding piece 32 protruding from an appropriate position of the rear shaft portion 18b of the handle 18 and a lower end of the back of the main body 1, so that the opening and closing operation of the door 15 is lightened. The force is acting.

With the above configuration, the opening and closing operation of the door 15 will be described next.

The cleaning rack 12 is housed in the cleaning room 2 and the door 1
When the shutter 5 is closed as shown by the solid line in FIG. 2, the moving roller 26 is located far below the fixed roller 25, and the door 15 is fixed at two points by the fixed roller 25 and the moving roller 26 at this remote point. Supported, both rollers 25,
Even if there is a dimensional difference of A> B between 26, the rearward inclination of the door 15 hardly occurs, and the door 15 is held in a vertical state to cover the washing chamber 2, and the splash of washing water, rinsing water, etc. Washing and rinsing are performed without any problem.

When the rinsing with hot water is completed, the door 15 is opened and the cleaning rack 12 is taken out.

When the user grips the handle 18 with the front shaft portion 18a and lifts it upward, the door 15 is suspended by the handle 18 so that the door 15 is also moved upward. Then, the moving roller 26 of the door 15 slides and rotates along the guide rail portion 27 of the door support plate 23 to ascend. Further, the fixed roller 25 receives the rear end of the door 15, that is, the guide rail portion 28, and receives the door 15 by the cooperation of the fixed roller 25 and the moving roller 26.

When the moving roller 26 rises and comes close to the fixed roller 25, a difference in the dimension of A> B acts, and the door 15 having the center of gravity at the rear is moved backward as shown by a two-dot chain line in FIG. To tilt.

Therefore, residual water of the rinsing water accumulated in the gutter 16 of the door 15 drops from the rear part of the door 15 and
There is no longer any dripping from the front where the operator has access to take out 2. So hot water dripping in your hands,
You can work safely without worrying about burns.

The door 15 is supported at two points by a fixed roller 25 and a moving roller 26, and is supported in a state of being inclined backward, and the state is held by a spring 31 which applies a downward pulling force. Have been. When the cleaning rack 12 is taken out of the opened cleaning chamber 2, the next cleaning rack 12 is inserted, and the handle 18 is pushed down, the door 15 closes as before,
The following cleaning can be performed.

[0030]

As described above, according to the present invention, in order to hang the door from just before the center of gravity and to always fall backward, the guide member which moves up and down together with the door at the lower part of the door and the door at the upper part of the main body are provided. When the door moves up and down, the guide member and the support member are provided with a slightly shifted dimension from the guide rail portion, and the guide rail portion of the door is moved rearward.
It is provided so as to be inclined . With this configuration, the door is inclined rearward as the door is opened, and water droplets such as high-temperature rinse water adhered to the door are dropped from the rear where the operator cannot access.

Thus, after washing is completed, the problem of hot water hitting the door when the door is opened and the tableware is taken out can be solved, and the operation can be performed safely.

Further, the mechanism for opening and closing the door with the drip from the rear is not particularly complicated, the number of parts is small, and it can be provided without increasing the cost.

[Brief description of the drawings]

FIG. 1 is a schematic structural side view of a dishwasher provided with a door opening / closing device of the present invention.

FIG. 2 is a main part configuration diagram of a dishwasher showing a state of an opening and closing operation of a door.

FIG. 3 is a partial cross-sectional plan view of the door opening and closing device.

FIG. 4 is a main part configuration diagram illustrating positional conditions of a fixed roller and a moving roller for tilting and opening the door rearward;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Cleaning room 15 Door 18 Handle 21 Hanging bracket 23 Door support member 25 Fixed roller 26 Moving roller 27, 28 Guide rail part

Claims (1)

(57) [Claims] 1. A body having a back plate protruding therefrom, and on the body.
And a box-shaped door that opens and closes a cleaning chamber formed in front of the back plate of the main body, and the door is suspended and supported at a position short of its center of gravity, and the door is placed on the outer surface of the back plate. Rotatable
A handle surrounding the periphery of the door, which is fixed and vertically operated, and a door support portion having an upper portion provided with a support member abutting on a rear portion of the door and supporting the door in a vertically slidable manner. And a guide member attached to the rear lower end of the door and sliding along the door support portion, and abutting against a guide rail portion of the door support portion.
Before contacting the guide member to the guide rail portion of the door
The support member is provided in front of the support member and guides the door support portion.
A rail portion is provided vertically, and a guide rail portion of the door is provided.
A dishwasher characterized by being inclined rearward from below to above .