JP3129315B1 - dishwasher - Google Patents

Abstract

A dishwasher for cleaning by pulling a washing tub forward from an outer box to take in and out tableware, and reducing a load on a rail when the washing tub is pulled forward to reduce the load on the rail and the outer box. Simplify the configuration and reduce the cost. SOLUTION: A washing tank 16 accommodating tableware 6 and opening upward is supported on an outer box 1 so as to be movable in the front-rear direction.
Pump 1 for cleaning water circulation that moves with the back and forth movement of 6.
9 is fixed to the washing tank 16. When the washing tank 16 is pulled out to the front, the center of gravity of the pump 19 is located behind the second roller serving as the fulcrum of the washing tank 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher for pulling out a washing tub from an outer box to put dishes in and out, and for washing.

[0002]

2. Description of the Related Art In recent years, dishes are washed with washing water sprayed from a washing nozzle rotating in the washing tank, and then outside air is taken in from outside the washing tank and circulated in the washing tank to dry the dishes. Machines are the mainstream.

Conventionally, this type of dishwasher has been configured as shown in FIGS. Hereinafter, the configuration will be described.

[0004] As shown in FIGS. 4 and 5, the outer box 1 has an opening in the front and a cleaning tank 3 opened upward through a rail 2 and a roller 4 provided in front of the rail 2 as a fulcrum. It is movably supported in the front-rear direction. In the washing tank 3, a washing nozzle 5 for spraying washing water is rotatably provided, and a tableware basket 7 for storing tableware 6 is arranged.

While the washing water in the washing tank 3 is warmed by the heater 8, the washing water is sucked from a drain port 10 by a washing pump 9 arranged at the center of the bottom of the washing tank 3, and the washing nozzle 5 is heated.
Sent to The cleaning water sent to the cleaning nozzle 5 is supplied to the cleaning tank 3.
The tableware 6 is sprayed into the inside and is washed in the tableware basket 7. When the washing is completed and the washing water is drained from the outside by the drain pump 11, the blower 1 provided in front of the washing tank 3
2 operates, and outside air is sent into the cleaning tank 3. As a result, the air containing water in the washing tank 3 is discharged from the exhaust port 13 and the dishes 6 are dried.

The washing pump 9 and the drainage pump 11
A cover 14 is arranged on the outer periphery of the cleaning pump 9 and the drainage pump 11 when the cleaning tank 3 is pulled out forward.
To protect the charged and heat generating parts from being exposed outside the machine. The outer periphery of the blower 12 is similarly protected by the lid 15.

[0007]

In such a conventional dishwasher, when the washing tub 3 is pulled out forward and the dishes 6 are set in the dish basket 7 or after operation,
When the tableware 6 is taken out of the washing tank 3, it is necessary to make the washing tank 3 more forward so that the tableware 6 can be easily taken in and out.

In the case of this configuration, as shown in FIG. 6, when the tableware 6 in the back of the cleaning tank 3 is taken in and out, as shown in FIG. Since the washing pump 9, the drainage pump 11, and the blower 12 protrude forward from the roller 4 provided on the rail 2, the weight of the washing tank 3 including the cleaning pump 9, the drainage pump 11, and the blower 12 is located forward of the roller 4 serving as a fulcrum. Focus on
An extremely large load is applied to the rail 2 supporting the cleaning tank 3 and the outer box 1. For this reason, more rigid rails 2 and outer case 1 are required.

Further, since it is necessary to provide the cover 14 and the cover 15 so that the charged part and the heat generating part of the washing pump 9, the drainage pump 11 and the blower 12 are not exposed to the outside, the structure becomes complicated and expensive.

[0010] The present invention solves the above-mentioned problems, and reduces the load on the rail when the cleaning tank is drawn forward,
A first object is to simplify the configuration of the rail and the outer box and reduce the cost.

Further, when the washing tank is pulled out forward, the washing tank is prevented from becoming unstable, such as being lowered forward, and the pushing force when pushing the washing tank into the outer box is reduced, so that it is easy to use. The second object is to improve

[0012]

According to the present invention, in order to achieve the first object, a washing tank containing tableware and having an open upper side is supported by an outer box so as to be movable in the front-rear direction, and the washing tank is When the washing water circulation pump that moves with the back and forth movement is fixed to the washing tank and the washing tank is pulled out, the center of gravity of the pump is
There is obtained so as to be positioned behind the supporting point.

[0013] This makes it possible to reduce the load on the rail when the cleaning tank is pulled out forward, thereby simplifying the configuration of the rail and the outer box and reducing the cost.

Thus, when the cleaning tank is pulled out forward, it is possible to prevent the cleaning tank from becoming unstable such as falling forward, and to reduce the pushing force when pushing the cleaning tank into the outer box. It can be reduced and usability can be improved.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is characterized in that a washing tank for accommodating tableware and having an open top is provided in the washing tank for supporting the washing tank movably in the front-rear direction .
Rail, an outer box, and the rail attached to the outer box.
A fulcrum for holding the washing tank by supporting
And a pump for washing water circulation moving together with back-and-forth movement of the cleaning tank is fixed to the cleaning tank, regardless of the drawer degree when the cleaning tank is pulled out to the front, behind the center of gravity before Ki支 point of the pump The center of gravity of the washing tank including the pump for circulating washing water can be moved closer to the outer box when the washing tank is pulled out, and the load on the rail when the washing tank is pulled out forward Can be reduced, the configuration of the rail and the outer box can be simplified, and the cost can be reduced.

According to a second aspect of the present invention, there is provided a cleaning tank for accommodating tableware and having an open top, a rail provided in the cleaning tank for supporting the cleaning tank so as to be movable in the front-rear direction, an outer box, To support the rail attached to the outer box
A fulcrum for holding the washing tank, a pump for washing water drainage fixed to the washing tank and moving with the washing tank moving back and forth, and pulling when the washing tank is drawn forward.
Regardless degree out come, which center of gravity of the pump is to be located behind the front Ki支 point, when the cleaning bath drawn forward, the center of gravity of the cleaning tank containing waste water pump on the box near It is possible to reduce the load on the rail when the washing tank is pulled out forward, and to simplify the configuration of the rail and the outer box and reduce the cost.

According to a third aspect of the present invention, there is provided a washing tank for accommodating tableware and having an open top, a rail provided in the washing tank for supporting the washing tank so as to be movable in the front-rear direction, an outer box, To support the rail attached to the outer box
A fulcrum for holding the washing tank, and a blower for air circulation fixed to the washing tank and moving with the front and rear movement of the washing tank, and pulling when the washing tank is pulled forward.
Regardless degree out, which center of gravity of the fan was positioned behind the front Ki支 point, when the cleaning bath drawn forward, can the center of gravity of the cleaning tank including an air blower on the box near, The load on the rail when the cleaning tank is pulled out can be reduced, and the configuration of the rail and the outer box can be simplified and the cost can be reduced.

The invention described in claim 4 is the above-mentioned claim 1-
In the invention described in 3, supporting points, which arranged at a position not protruding from the outer box, when the cleaning bath drawn forward, the outer box without requiring a separate member such as a cover to contact the electrical components And a simple and inexpensive configuration can be provided.

[0019]

An embodiment of the present invention will be described below with reference to the drawings. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIG. 1 and FIG.
In the figure, a concave portion 17 and a fixed shaft 18 are integrally formed on the back surface, and a pump 19 is fixed. The pump 19 is configured to operate for washing water circulation and for washing water drainage by switching the rotation direction.

Further, a suction path 21 for guiding washing water from a drain port 20 to a pump 19 is provided.
A discharge path 22 for guiding cleaning water to the cleaning nozzle 5 provided therein is provided, and the cleaning tank 16 and the pump 19 are communicated. Further, a drain path 23 for draining the washing water in the washing tank 16 to the outside by switching the rotation direction of the pump 19 is connected to the pump 19. A blower 24 that operates during the drying process is provided on the back of the cleaning tank 16.

On the cleaning tank 16 side, a first rail 26 having a first roller 25 at the rear is provided, and on the outer box 1 side, the cleaning tank 16 is pulled out forward, Second rail 2 having a second roller 27 disposed forwardly
8 to support the cleaning tank 16 so as to be movable in the front-rear direction. Further, the center of gravity of the pump 19 and the blower 24 is located behind the second roller 27 serving as a fulcrum in a state where the cleaning tank 16 is pulled out to the front.

Further, in a state where the cleaning tank 16 is pulled out to the front, the second roller 27 serving as a fulcrum of the cleaning tank 16 is arranged at a position not protruding from the outer box 1. Further, when the cleaning tank 16 is pulled out forward,
Are located behind the front surface 1a of the outer box 1. That is, the center of gravity of the washing tank 16 including the pump 19 and the blower 24 is set closer to the outer box 1 with the rear surface 16a of the washing tank 16 positioned behind the front surface 1a of the outer box 1. Other configurations are the same as the conventional example.

The operation of the above configuration will be described.
As shown in FIG. 7, when the cleaning tank 16 is pulled out forward, the pump 19 and the blower 24
Is located behind the second roller 27,
With the cleaning tank 16 pulled out forward, the center of gravity of the cleaning tank 16 including the pump 19 and the blower 24 can be brought closer to the outer box 1, and the load on the second rail 28 and the outer box 1 can be reduced (minimum). Limit).

In the state where the cleaning tank 16 is pulled out forward, the second roller 27 serving as a fulcrum of the cleaning tank 16 is arranged at a position not protruding from the outer box 1.
Further, the blower 24 does not protrude from the outer box 1 and the contact with the pump 19 and the blower 24 when the cleaning tank 16 is drawn forward does not require a separate member such as a cover or a lid. And a simple and inexpensive configuration can be achieved.

Further, when the cleaning tank 16 is pulled out to the front, the rear surface 16a of the cleaning tank 16 is positioned behind the front surface 1a of the outer box 1, ie,
When the cleaning tub 16 is pulled out forward, since the center of gravity of the cleaning tub 16 including the pump 19 and the blower 24 is located closer to the outer box 1 in a state where the cleaning tub 16 a is located behind the front surface 1 a of the outer tub 1. It is possible to prevent the washing tank 16 from becoming unstable such as being lowered forward,
Is prevented from falling forward, the pushing force when pushing the cleaning tank 16 into the outer box 1 can be reduced, and the usability can be improved.

[0027]

As described above, according to the first aspect of the present invention, a washing tank for accommodating tableware and having an open upper side, and a washing tank for supporting the washing tank so as to be movable in the front-rear direction.
Rails provided in the purification tank, outer box, and attached to the outer box
Holds the washing tank by supporting the rail
A fulcrum, and a pump for circulating washing water fixed to the washing tank and moving with the back and forth movement of the washing tank , regardless of how the washing tank is drawn forward.
Not, because the center of gravity of the pump is to be located behind the front Ki支 point, when the cleaning bath drawn forward, can the center of gravity of the cleaning tank includes a pump for washing water circulation on the box near,
The load on the rail when the washing tank is pulled forward can be reduced, simplifying the configuration of the rail and outer box,
It can be cheap.

According to the second aspect of the present invention, a washing tank for accommodating tableware and having an open top, and a laser tank provided in the washing tank for supporting the washing tank so as to be movable in the front-rear direction.
A rail , an outer box, and the rail attached to the outer box.
A fulcrum for holding the washing tank by supporting the washing tank, and a pump for draining washing water fixed to the washing tank and moving with the longitudinal movement of the washing tank , regardless of how the washing tank is drawn forward. not, because the center of gravity of the pump is to be located behind the front Ki支 point, when the cleaning bath drawn forward, the center of gravity of the cleaning tank containing the drainage pump can on the box near the cleaning tank forward The load on the rail when pulled out can be reduced, and the configurations of the rail and the outer box can be simplified and the cost can be reduced.

According to the third aspect of the present invention, a cleaning tank for accommodating tableware and having an open top, and a laser tank provided in the cleaning tank for supporting the cleaning tank so as to be movable in the front-rear direction.
A rail , an outer box, and the rail attached to the outer box.
A fulcrum for holding the washing tank by supporting it, and a blower for air circulation fixed to the washing tank and moving with the longitudinal movement of the washing tank , regardless of the degree of pulling out when the washing tank is drawn forward. since the center of gravity of the blower was positioned than before Ki支 point backwards, when the cleaning bath drawn forward, the center of gravity of the cleaning tank containing the blower can on the box nearer to pull the cleaning tank forward The load on the rail at that time can be reduced, and the configurations of the rail and the outer box can be simplified and the cost can be reduced.

According to the fourth aspect of the present invention, since the fulcrum is located at a position where it does not protrude from the outer box, when the cleaning tank is pulled forward, contact with the electrical components is prevented. A separate member such as a cover is not required and can be prevented only by the outer box, and a simple and inexpensive configuration can be provided.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a dishwasher according to an embodiment of the present invention.

FIG. 2 is a sectional view showing a supporting state of a washing tank of the dishwasher.

FIG. 3 is a longitudinal sectional view of a state where a washing tank of the dishwasher is drawn out.

FIG. 4 is a longitudinal sectional view of a conventional dishwasher.

FIG. 5 is a sectional view showing a support state of a washing tank of the dishwasher.

FIG. 6 is a longitudinal sectional view showing a state where a washing tank of the dishwasher is drawn out.

[Explanation of symbols]

 1 outer box 6 tableware 16 washing tank 19 pump 27 second roller (fulcrum)

────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yoshikazu Harichi 1006 Kazuma Kadoma, Kadoma-shi, Osaka Matsushita Electric Industrial Co., Ltd. (56) References JP-A-5-211973 (JP, A) JP-A-11 -346975 (JP, A) JP-A-61-213031 (JP, A) JP-A-6-13759 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47L 15/42

Claims (4)

(57) [Claims] 1. A washing tank containing tableware and having an open upper side, and a washing tank for supporting the washing tank so as to be movable in the front-rear direction.
Rails provided in the purification tank, outer box, and attached to the outer box
Holds the washing tank by supporting the rail
A fulcrum, and a pump for circulating washing water fixed to the washing tank and moving with the back and forth movement of the washing tank , regardless of how the washing tank is drawn forward.
Not, dishwasher center of gravity of the pump is to be located behind the front Ki支 point. 2. A washing tank for accommodating tableware and having an open top, and a washing tank for supporting the washing tank so as to be movable in the front-rear direction.
Rails provided in the purification tank, outer box, and attached to the outer box
Holds the washing tank by supporting the rail
A fulcrum, and a pump for washing water drainage fixed to the washing tank and moving with the washing tank moving back and forth , regardless of how the washing tank is drawn forward.
Not, dishwasher center of gravity of the pump is to be located behind the front Ki支 point. 3. A washing tank containing tableware and having an open top, and a washing tank for supporting the washing tank so as to be movable in the front-rear direction.
Rails provided in the purification tank, outer box, and attached to the outer box
Holds the washing tank by supporting the rail
Fulcrum, and a blower for air circulation fixed to the washing tank and moving with the front and rear movement of the washing tank , regardless of how the washing tank is drawn forward.
Not, dishwasher centroid of the blower was positioned behind the front Ki支 point. 4. A supporting point is dishwasher according to any one of claims 1 to 3 arranged at a position not protruding from the outer box.