JP2003174992A - dishwasher - Google Patents

Abstract

(57) [Summary] [PROBLEMS] In a dishwasher for washing dishes and the like by spraying washing water, a plurality of doors are automatically and interlockedly opened to eliminate troublesome use. Improve usability. SOLUTION: A washing tank 14 is provided in a dishwasher main body 13, and an opening 15 provided in the washing tank 14 is opened and closed by an upper door body 16 and a lower door body 17 interlocked by an interlocking link 25.
The upper door body 16 and the lower door body 17 are connected to the first spring 33 and the second
Automatically open from the closed state to the open state in conjunction with the spring 34.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a dishwasher for washing dishes and the like by spraying washing water.

[0002]

2. Description of the Related Art Conventionally, this type of dishwasher has been constructed as shown in FIG. 3 or 4. The configuration will be described below.

As shown in FIG. 3, the door body 1 is openably and closably attached to the lower portion of the dishwasher body 3 about the door shaft 2 so as to cover the front opening of the dishwasher body 3.
A handle part 4 for grasping when opening and closing the door body 1 at the upper part,
Locking means 6 to be released by the switch 5 is provided so that the switch can be fixed in the closed state.

Further, the lock means 6 is configured so as not to operate unless the door body 1 is completely closed, in conjunction with the input function of the operation of the dishwasher, and the door body 1 is opened during the operation. Even if it does, the washing water is designed so as not to spout out of the dishwasher. The dishwasher main body 3 has a washing tank 7 provided therein, and the washing tank 7 has a dish basket 8 arranged therein.

The basic operation of the dishwasher is generally well known. Therefore, briefly described below, the user releases the lock means 6 with the switch 5, and then holds the handle 4. The door 1 is opened, and dirty dishes are set in the dish basket 8 arranged in the washing tank 7 in the dishwasher body 3.

Next, when the door 1 is closed and the lock means 6 is operated to start the operation, the cleaning water is heated by the heater arranged at the bottom of the cleaning tank 7, and the cleaning nozzle moves toward the tableware 10. And spray it to clean the dishes. After that, after rinsing the tableware, a drying process of drying is performed and the operation is finished.

Another dishwasher is disclosed in Japanese Patent Laid-Open No. 50-
Some are described in Japanese Patent No. 26356. As shown in FIG. 4, this product is installed in the main body 9 of the dishwasher.
The doors 10a and 10b are vertically rotated to open and close the opening of the cleaning tank 11, and the interlocking link 12
The door bodies 10a and 10b are connected by. Therefore, if the door body 10a is held and opened, the other door body 10b is also opened at the same time. This dishwasher also performs the basic operation described above.

[0008]

With such a conventional structure, as shown in FIG. 3, the operation of the locking means 6 and the handle portion 4 for opening the door 1 are usually provided separately.
When the door body 1 is opened, the lock means 6 is operated by the switch 5.
Need to be released and the grip part 4 must be grasped again. Further, since the door body 1 is biased in the closing direction, the handle portion 4 must be grasped and opened until the end of opening, which is troublesome and inconvenient.

Further, in recent years, in order to improve the installability of the dishwasher, the one in which the door body is divided into a plurality is more troublesome, and as shown in FIG.
Even when 0b is rotatably connected by the interlocking link 12, opening of the doors 10a and 10b has the same problem as that of the single door.

The present invention solves the above-mentioned conventional problems by automatically opening a plurality of doors in cooperation with each other.
The purpose is to eliminate the hassle during use and improve usability.

[0011]

In order to achieve the above object, the present invention provides a washing tub in a dishwasher main body, and an opening provided in the washing tub is opened and closed by a plurality of doors which are interlocked by interlocking means. And a mechanism for automatically opening from a closed state to an open state by interlocking a plurality of doors.

[0012] With this, the plurality of doors are automatically opened by the interlocking link, so that the troublesomeness at the time of use can be eliminated and a convenient dishwasher can be provided.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention comprises a dishwasher body, a washing tank provided in the dishwasher body, and a plurality of opening / closing openings provided in the washing tank. A door body and interlocking means for interlocking the plurality of door bodies, and having a mechanism for automatically opening the plurality of door bodies from a closed state to an open state by interlocking the plurality of door bodies. By automatically opening the door, it is possible to eliminate the inconvenience during use and provide a user-friendly dishwasher.

According to a second aspect of the present invention, in the invention according to the first aspect, at least one of the plurality of door bodies is used.
A lock means for fixing the door body to a closed state and an operation means for opening the lock means are provided on each door body, and a plurality of door bodies are automatically closed by the operation of the operation means. The door body can be opened only by operating the opening operation of the locking means by the operating means.

According to a third aspect of the present invention, in the invention according to the first or second aspect, the interlocking means for interlocking a plurality of door bodies is elastically biased in a direction in which the door bodies are opened. The urging mechanism for urging (for example,
It is possible to realize a convenient dishwasher with a simple structure in which a tension coil spring is provided in the interlocking means.

[0016]

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

As shown in FIGS. 1 and 2, the dishwasher main body 13 is provided with a washing tank 14 therein, and an opening 15 of the washing tank 14 is provided with an upper door body (door body) 16 and a lower door body (door body). ) 17
It is configured to open and close by. An upper support member 18 is fixed to the upper door body 16, and the upper support member 18 is fixed to the upper fixed pivot 1
At 9, a base member 20 is rotatably supported. Further, the lower support member 21 is fixed to the lower door body 17, and the lower support member 2
1 is rotatably supported on the base member 20 by a lower fixed pivot 22.

The cleaning tank 1 is provided below the base member 20.
A through hole for the welded bolt 23 is provided on the outer wall surface of 4,
It is fixed by a nut 24.

Further, an interlocking link 25 is provided as interlocking means for interlocking the upper support member 18 and the lower support member 21, and the upper link member shaft 26 and the lower link member shaft 27 respectively connect the upper support member 18 and the lower support member 21. It is pivotally supported. Also,
The base member 20, the upper support member 18, and the lower support member 21 are provided on both left and right sides of the cleaning tank 14.

A push button switch 28 is provided on the lower door body 17.
And a lock means 29 for fixing the lower door body 17 in a closed state, and in conjunction with the push button switch 28, the cleaning tank 14
The locking means 29 can be released from the locking portion 30 provided on the. Further, the lock means 29 is configured to interlock with the input function of the driving operation of the dishwasher and not to operate unless the lower door body 17 is completely closed. Further, a seal member (not shown) having an elastic body is installed for the seal between the lower door body 17 and the upper door body 16 and the opening portion 15 and the seal between the lower door body 17 and the upper door body 16.

Further, the interlocking link 25 is provided with a first holding portion 31 and a second holding portion 32, and the first holding portion 3
1 is connected to the base member 20 by a first spring 33 (a tension coil spring), and is configured to apply a force to the open side when the door is closed and a force in the closing direction when the door is open. . Further, the second holding portion 32 is configured to be connected to the upper support member 18 by the second spring 34 (tensile coil spring) so as to apply a force in a direction to always open the upper door body 16. The first spring 33 and the second spring 34 constitute a mechanism for automatically opening the upper door body 16 and the lower door body 17 from the closed state to the open state in cooperation with each other.

The base member 20 also includes an upper support member 18
The sliding member 35, which slides with the
The spring 36 applies a load to the sliding surface with the upper support member 18.

Further, the upper support member 18 is made of a resin, and in addition to the support portion of the upper door body 16, a closing contact portion 37 and an opening contact portion 38 are provided, so that the upper door body 16 is in a closed state. It is configured to come into contact with the sliding member 35 during the opening. Also,
A spring holding portion 39 holding the second spring 34 is provided between the upper fixed pivot shaft 19 and the upper link pivot shaft 26.

Further, the pivot holding portion 40 for holding the upper link pivot 26 has the upper link pivot 2 with the upper door body 16 closed.
It has a slotted shape in the direction of the substantially interlocking link 25 that is movable at least upward from the position of 6, and is configured to absorb variations in the link mechanism and reliably close it.

The operation of the above structure will be described. The upper door member 16 and the lower door member 17 are configured to be opened and closed vertically by the upper support member 18 and the lower support member 21, respectively, and the upper fixed pivot shaft 19 is rotated. Thus, the upper door body 16 rotates upward, and the lower fixed pivot 22 rotates so that the lower door body 17 rotates downward.

At this time, the interlocking link 25 biased to the open side by the first spring 33 and the second spring 34 actuates the push button switch 28 provided on the lower door body 17 to lock the lock means. 29 is released and the upper door body 1
Since 6 and the lower door body 17 rotate in conjunction with each other, the user does not need to grab the door body and perform the opening operation, and the upper door body 16 and the lower door body 17 automatically change from the closed state to the open state. It can be opened.

By the first spring 33, a force is applied in the closing direction during the opening operation of the door body,
The impact force when the door is opened can be reduced.

Further, the closing contact portion 37 provided on the upper support member 18 is urged by the third spring 36, and the sliding member 3 is urged.
By applying a force to the closing side by 5, the opening speed of the door body is delayed, and the user pushes the push button switch 2 while driving.
Even when 8 is operated, the opening speed of the upper door body 16 and the lower door body 17 immediately after the release can be reduced, and the locking means 29 can be used.
The washing water sprayed simultaneously with the release of the
It is possible to prevent the gas from being jetted out of the machine of No. 3.

Further, the opening force of the door is decelerated by the frictional force generated by the contact portion 38 at the time of opening and the sliding member 35 urged by the third spring 36, and the impact force at the time of opening is opened. It is possible to alleviate and prevent the rebound due to the impact of the lower door body 17.

Further, by installing the sliding member 35 on the base member 20 on which the upper supporting member 18 and the lower supporting member 21 are installed, the errors in the respective installation positions are only processing errors, and the sliding member 35 and the lower door member 16 are It is possible to stabilize the operation of the door body after assembly, for example, the variation of the opening speed of the door body 17 and the variation of the impact force at the time of opening can be made extremely small.

The cleaning tank 14 is made of resin and the base member 2
Even if 0 is integrally formed, the same effect can be obtained, and the dishwasher can be provided at a lower cost.

Further, since the base member 20 is of the bolt / nut type, the base member 20 with the upper support member 18, the lower support member 21, the sliding member 35 and the springs attached can be easily used for maintenance and inspection. It can be easily removed, and positioning after maintenance is easy.

In the vicinity of the closed state of the upper door body 16, the second spring 34 causes a moment force to act on the upper fixed pivot 19 and the spring support portion 39 in the closing direction of the upper door body 16. The position of the upper link pivot shaft 26 is such that the upper door body 16 can always be positioned in the closing direction in the pivot shaft holding portion 40 having a long hole shape. With this configuration, the upper door 16 due to the dimensional variation of the link configuration
It is possible to eliminate the poor interlocking between the lower door body 17 and the upper door body 1.
6 and the lower door body 17 can be smoothly opened and closed,
A stable sealing property can be secured.

In this embodiment, the first spring 3
3 and the second spring 34 constitute a mechanism for automatically opening the lid. However, any one of the upper support member 18, the lower support member 21 and the interlocking link 25 constituting the link mechanism is connected to a motor or It may be driven by a solenoid, or the interlocking link 25 may be formed of a wire and wound by a motor, and the same action and effect can be obtained.

[0035]

As described above, according to the invention described in claim 1 of the present invention, the main body of the dishwasher, the washing tank provided in the main body of the dishwasher, and the opening provided in the washing tank are opened and closed. A plurality of door bodies and interlocking means for interlocking the plurality of door bodies, and having a mechanism for automatically opening the plurality of door bodies from the closed state to the open state by interlocking the plurality of door bodies. By automatically opening the individual doors, it is possible to eliminate the inconvenience of use and provide a user-friendly dishwasher.

According to the second aspect of the invention, lock means for fixing the door body to the closed state on at least one door body among the plurality of door bodies, and the lock means are opened. An operating means is provided, and a plurality of door bodies are interlocked by the operation of the operating means to automatically open from the closed state to the open state. Therefore, the door body can be opened only by operating the opening operation of the locking means by the operating means. It can be opened.

According to the third aspect of the present invention, the interlocking means for interlocking the plurality of door bodies is elastically biased in the direction in which the door bodies are opened. It is possible to realize a convenient dishwasher with a simple structure in which a biasing mechanism (for example, a tension coil spring) is provided in the interlocking means.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a closed state of a door of a dishwasher according to an embodiment of the present invention.

FIG. 2 is a sectional view of the door of the dishwasher in an open state.

FIG. 3 is a sectional view of an example of a conventional dishwasher.

FIG. 4 is a partially cutaway side view of another example of the conventional dishwasher.

[Explanation of symbols]

13 dishwasher body 14 Cleaning tank 15 openings 16 Upper door body (door body) 17 Lower door body (door body) 25 Interlocking link (interlocking means) 33 1st spring (Automatic opening mechanism) 34 Second spring (automatic opening mechanism)

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yu Taniguchi             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. (72) Inventor Masahiro Itami             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. (72) Inventor Hiroshi Kajiwara             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. F term (reference) 3B082 BB01 BB06

Claims (3)

[Claims] 1. A dishwasher main body, a washing tub provided in the dishwasher main body, a plurality of doors for opening and closing an opening provided in the washing tub, and interlocking for interlocking the plurality of doors. And a means for automatically opening the plurality of door bodies from a closed state to an open state in cooperation with each other. 2. A lock means for fixing the door body to a closed state and an operation means for opening the lock means are provided on at least one door body of the plurality of door bodies, and the operation means is operated. The dishwasher according to claim 1, wherein a plurality of doors are interlocked to automatically open from a closed state to an open state. 3. The dishwasher according to claim 1, wherein the interlocking means for interlocking the plurality of door bodies is elastically biased in a direction in which the door bodies are opened.