JP2001046305A - Tableware washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the leakage of washing water and steam, to improve operability and to enhance reliability by assuring the closure property between a washing tank and a lid part while regulating the positional relation between both in the lateral direction thereof with a tableware washing machine for washing tableware by injecting the washing water toward the tableware by a washing nozzle. SOLUTION: The washing tank 14 having an aperture 27 on the upper side is supported movably in a longitudinal direction in an outer box 1 and the lid part 18 is longitudinally and vertically movably supported in the washing tank 14. The washing tank 14 is provided with a first guide part 25 and the outer box 1 is provided with a second guide part 26. The positions in the lateral direction between the washing tank 14 and the outer box 1 to each other are regulated by the first guide part 25 and the second guide part 26.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher for washing dishes by injecting washing water from a washing nozzle toward the dishes.

[0002]

2. Description of the Related Art In recent years, a dishwasher for washing dishes stored in a dish basket with washing water sprayed from a washing nozzle rotating in a washing tank has become mainstream.

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

[0004] As shown in FIG. 3, the outer box 1 has an opening at the front and supports a washing tank 3 via a rail 2 so as to be operable in the front-rear direction. Door 4 in front of washing tank 3
To open and close the opening of the outer box 1. The cleaning tank 3 has an opening 5 above, a packing 6 provided on the outer periphery of the opening 5, and a pressurizing pump 7 for sending air to the packing 6 by pressure.

In the washing tank 3, a washing nozzle 8 for spraying washing water is rotatably provided, and a dish basket 10 for accommodating a dish 9 is arranged. Wash water in the washing tank 3 is heated by a heater 11, sucked from a drain port 13 by a washing pump 12, and fed to a washing nozzle 8 by pressure. The tableware 9 stored in the tableware basket 10 is configured to be washed with washing water that is vigorously jetted from the washing nozzle 8.

[0006]

In such a conventional dishwasher, the washing tub 3 is pulled out forward, and the
Is set in the tableware basket 10, the washing tank 3 is pushed into the outer box 1, and the front opening of the outer box 1 is closed by the door 4.
Next, when the operation is started, air is pressure-fed from the pressure pump 7 to the packing 6, the packing 6 expands, and
To close the opening 5 of the washing tank 3 to prevent leakage of washing water and steam during operation. After the operation is completed, the pressurizing pump 7 stops, the air in the packing 6 escapes,
The washing tank 3 can be pulled out.

In the case of this configuration, the packing 6 is required to have elasticity and durability for responding to expansion and contraction and airtightness for preventing air from leaking. Further, a pressurizing pump 7, a control means for controlling the pressurizing pump 7, and a mechanical means for feeding air to the packing 6 are required, which results in a complicated and expensive structure. Further, since the packing 6 is mounted on the upper part of the cleaning tank 3, dirt easily accumulates around the packing 6, and the maintenance property is poor.

The present invention solves the above-mentioned problem, and the closing operation of the door regulates the positional relationship between the cleaning tank and the lid in the left-right direction while securing the mutual obstruction so that the cleaning water or steam leaks. It is an object of the present invention to provide a dishwasher which is easy to use and has high reliability.

[0009]

According to the present invention, in order to achieve the above object, a washing tank having an upper opening is supported on an outer box so as to be movable in the front-rear direction. A guide means is provided which is movably supported in the vertical direction and regulates the position in the horizontal direction between the washing tank and the outer box.

[0010] Thereby, it is possible to prevent the washing water and steam from leaking by securing the mutual obstruction while regulating the positional relationship between the washing tank and the lid in the left-right direction by the operation of closing the door. It is possible to provide a dishwasher that is easy to use and highly reliable.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a cleaning tank having an upper opening, an outer box supporting the cleaning tank so as to be movable in the front-rear direction, and And a lid portion movably supported in the vertical direction, the cleaning tank, and a guide means for regulating the position in the horizontal direction between the outer boxes is provided. By regulating the positional relationship, it is possible to secure the obstruction between the washing tank and the lid while regulating the positional relationship in the left and right direction by closing the door, preventing the leakage of washing water and steam. Therefore, it is possible to provide a dishwasher that is easy to use and highly reliable.

[0012] According to a second aspect of the present invention, in the first aspect of the present invention, the left and right walls of the cleaning tank are provided with first outwardly projecting first guide portions, and the inside of the left and right walls of the outer box. A second guide portion protruding inwardly is provided, and the first guide portion and the second guide portion are configured such that one of the first guide portion and the second guide portion is immersed in the substantially vertical direction with respect to the other. By closing the door, the cleaning tank regulates the horizontal positional relationship with the outer box, thereby restricting the horizontal positional relation between the cleaning tank and the lid, thereby blocking the cleaning tank and the lid. Therefore, it is possible to provide a dishwasher with a simple and inexpensive configuration that is easy to use and has high reliability, since it is possible to ensure that the washing water and steam do not leak.

[0013]

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, the cleaning tank 14 is provided with first rails 15 on both left and right outer surfaces thereof, and a second rail 16 which engages with the first rails 15 is provided on both left and right sides of the outer box 1. The cleaning tank 14 is fixed to the inner surface, and is movable in the front-rear direction with respect to the outer box 1. In the upper part of the outer box 1, four links 17 are provided.
The cover 18 is attached via the. A packing 19 is mounted below the lid 18.

One link 17 is provided in each of the front, rear, left and right, and a hole 20 on the rotation center shaft side is slidably engaged with a shaft provided on the outer case 1. It is slidably engaged with a shaft provided on the lid 18. The lid 18 is connected to the outer box 1 by an elastic body 22 and is urged upward and forward. The cleaning tank 14 has a pressing portion 23 at the rear center.
The pressing portion 23 has a positional relationship that allows the pressing portion 23 to come into contact with a protruding portion 24 provided on the lower side behind the lid portion 18.

As shown in FIG. 2, on both outer sides in front of the cleaning tank 14, there are substantially horizontal outwardly projecting parts, and a rearward protrusion t1 is lower than a frontward protrusion t2. One guide portion 25 is provided, and two second guide portions 26 protruding inward in a substantially horizontal direction are provided on both inner sides near the opening of the outer box 1. The first guide portion 23 is in a positional relationship such that it can be immersed between the two second guide portions 26, and the first guide portion 23 and the second guide portion 26 are separated from each other by the cleaning tank 14 and the outer box 1. Guide means for regulating the position in the left-right direction therebetween is provided. In addition,
The left side of the drawing is the front and the right side is the back.

The operation of the above configuration will be described. When the cleaning tank 14 is accommodated in the outer box 1, the cleaning tank 14 moves rearward, and the first guide portion 23 is eventually replaced with the two second guide portions. 24, the two guide portions are adjacent to each other in a substantially vertical direction, and the cleaning tank 14 is moved rearward while gradually regulating the mutual position of the cleaning tank 14 and the outer box 1 in the left-right direction. Can be. Since the outer box 1 is connected to the lid 18 via the link 17, the mutual position of the cleaning tank 14 and the lid 18 in the left-right direction can be regulated as a result.

Thereafter, the pressing portion 23 comes into contact with the projecting portion 24, and the pressing portion 23 pushes the projecting portion 24 rearward, whereby the lid portion 18 is pushed rearward. At this time, link 17
Is rotated, and the lid 18 moves on the rotation trajectory of the link 17 and thus moves downward while moving backward. When the cleaning tank 14 is further moved rearward, the lid 18 is lowered to the height of the opening 27 above the cleaning tank 14, and at the same time when the storage of the cleaning tank 14 is completed, the lid 18 is moved via the packing 19 to the cleaning tank 14. Is closed.

When the cleaning tank 14 is pulled out of the outer box 1, the lid 18 is lifted upward by the elastic body 22 and moves forward by the rotation of the link 17. For this reason, by providing the packing 19 below the lid portion 18, the maintainability is improved, and by the operation of closing the door 4, the cleaning tank 14 restricts the positional relationship in the left-right direction with the outer box 1. , Washing tank 14 and lid 18
After restricting the positional relationship between the cleaning tank 14 and the lid 18 in the left and right direction, it is possible to secure the obstruction between the cleaning tank 14 and the lid 18 and prevent leakage of the cleaning water and steam, thereby being simple and inexpensive. It is possible to provide a dishwasher which is easy to use with a simple configuration and highly reliable.

In this embodiment, the cleaning tank 14 is provided with the first guide portion 25 and the outer box 1 is provided with the second guide portion 26. However, the outer box 1 is provided with the first guide portion 25. Provided, washing tank 14
The same effect can be obtained even if the second guide portion 26 is provided. Similar effects can be obtained even if the second guide portion 26 is formed in a groove shape.

[0021]

As described above, according to the first aspect of the present invention, a cleaning tank having an upper opening, an outer box that supports the cleaning tank so as to be movable in the front-rear direction, and Since the outer box is provided with a lid portion movably supported in the front-rear and up-down directions, and the cleaning tank and guide means for regulating the position in the left-right direction between the outer boxes are provided, the cleaning tank and the lid are operated by closing the door. It is possible to secure the obstruction between each other while regulating the positional relationship in the left and right direction with the part, and it is possible to prevent leakage of washing water and steam,
A highly reliable dishwasher can be provided.

According to the second aspect of the present invention, the first guides are provided on the left and right walls of the cleaning tank so as to protrude outward, and are protruded inward on the inner sides of the left and right walls of the outer box. The first guide portion and the second guide portion are configured such that one of the first guide portion and the second guide portion is immersed in the substantially vertical direction with respect to the other. Since it is possible to secure the obstruction between the cleaning tank and the lid while restricting the positional relationship between the tank and the lid in the left-right direction, it is possible to prevent the cleaning water and steam from leaking, so that it is simple and It is possible to provide a highly reliable dishwasher that is inexpensive and easy to use.

[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 partially cutaway cross-sectional view of the dishwasher.

FIG. 3 is a longitudinal sectional view of a conventional dishwasher.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer box 14 Cleaning tank 18 Lid 25 First guide part (guide means) 26 Second guide part (guide means) 27 Opening

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Katsuhiko Kadoya 1006 Kadoma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. 72) Inventor Yoshikazu Harichi 1006 Kazuma Kadoma, Kadoma-shi, Osaka Matsushita Electric Industrial Co., Ltd. F-term (reference) 3B082 BB02 BB06

Claims (2)

[Claims] 1. A cleaning tank having an upper opening, an outer box movably supporting the cleaning tank in the front-rear direction, and a lid supported on the outer box movably in the front-rear and up-down directions. A dishwasher provided with guide means for regulating a position in the left-right direction between the washing tank and the outer box. 2. A first guide portion protruding outwardly on left and right walls of a cleaning tank, and a second guide portion protruding inwardly on the inner side of left and right walls of an outer box. The dishwasher according to claim 1, wherein one of the first guide portion and the second guide portion is configured to be immersed in a substantially vertical direction with respect to the other.