JP2002143073A - Dishwasher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dishwasher having a plurality of doors independently openable/closable without a seal guide by alternately arranging the projecting shape parts of the respective doors in the seal structure. SOLUTION: The projecting shape parts 14a provided at the lower end of an upper door 11, and the projecting shape parts 14b provided at the upper part of a lower door 12, are alternately arranged to prevent the leakage of wash water jetted from a nozzle 15.

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, and more particularly to a seal structure between a plurality of doors provided in the dishwasher.

[0002]

2. Description of the Related Art The configuration of a conventional dishwasher will be described below with reference to the drawings. FIG. 8 is a view showing a seal structure between a plurality of doors in a conventional dishwasher. However,
For the sake of simplicity, illustration of members such as a washing tank incorporated in the dishwasher is omitted. The dishwasher has a washing tank inside, and has an exterior plate and an operation panel for performing operations on the outside.

[0003] A seal structure between doors will be described with reference to FIG. There is a seal guide 3 between the upper door 1 and the lower door 2 of the dishwasher. The seal structure at the lower part of the upper door 1 is a structure in which a protruding portion 5a at the lower part of the upper door 1 is pressed from above by the seal member 4a at the upper part of the seal guide 3. The seal structure on the upper part of the lower door 2 has a structure in which the protruding shape part 5b on the upper part of the lower door 2 presses the seal member 4b in the groove part 6 of the seal guide 3 in the rotation direction of the door. Therefore, when there are a plurality of doors, the seal structure of each door is independent for each door, and the seal guide 3 is required between the doors. Here, the seal guide is a part that partitions the doors of the dishwasher having a plurality of doors and constitutes a seal structure of each door.

In FIG. 8 (b), the ends of the respective doors constituting the sealing structure between the adjacent doors are both constituted by an end 8a opposite to the end 8a having the rotation center shaft 7 for opening and closing the door. The seal member 9 on one door end 8a.
But, it contacts the seal receiving portion 10 of the other door end 8b to form a seal structure. Therefore, a part of each door overlaps, and the order of opening and closing the doors is determined. For example, if the door 2 at the door end 8a is closed first and the door 1 at the door end 8b is closed, the seal receiving portion 10 of the door 1 contacts the front surface of the door 2 and cannot be closed. .

[0005]

In the conventional sealing structure, since the cleaning tank has a seal guide, a sealing material is required for each door, so that the number of parts is increased. Accordingly, it is an object of the present invention to provide a dishwasher which does not have a seal guide and can open and close each door independently.

[0006]

According to a first aspect of the present invention, there is provided a dishwasher provided with a plurality of doors attached to an opening of a main body of the dishwasher. By being able to open and close independently regardless of
The door can be easily opened and closed, improving usability.

[0007] In the dishwasher according to the second invention of the present application, which is provided to solve the above-mentioned problem, the seal guide can be eliminated by the overlapping portion of the adjacent doors constituting a seal structure.

[0008] In the dishwasher according to the third aspect of the present invention, which is provided to solve the above-mentioned problem, the seal portion of the door to be opened is changed from the seal portion of the adjacent door even when either door is opened. By moving in the direction away from the door, that is, in the direction of sealing when closing the door, each door can be opened and closed independently without regard to the order.

According to a fourth aspect of the present invention, there is provided a dishwasher provided to solve the above-mentioned problem, wherein one of the doors is located near a seal structure at an end of each door constituting a seal structure between adjacent doors. There is a rotation center axis for opening and closing, and the other door is configured near the seal structure at the end opposite to the end with the rotation center axis for door opening and closing. Can be improved.

In a dishwasher according to a fifth aspect of the present invention provided to solve the above-mentioned problem, in a seal structure between adjacent doors, a protruding portion inside the door and a protruding portion inside the adjacent door are alternately arranged. By arranging, the sealing structure is simplified without lowering the conventional sealing performance,
There is no need for a sealing member.

According to a sixth aspect of the present invention, there is provided a dishwasher according to a sixth aspect of the present invention, wherein a sealing member is fixed to a protruding portion provided on the door by a locking portion and a metal fitting formed on the door. With such a structure, the seal member can be fixed without increasing the number of parts.

A dishwasher according to a seventh aspect of the present invention, which is provided to solve the above-mentioned problem, is characterized in that members for maintaining a closed state of a door are arranged on both sides of a housing, so that the door is disposed between adjacent doors. A member for maintaining the closed state can be eliminated.

According to an eighth aspect of the present invention, there is provided a dishwasher according to an eighth aspect of the present invention, wherein both ends of each door constituting a seal structure between adjacent doors have a rotation center axis for opening and closing the doors. It is constituted by the end opposite to the part, and the usability can be improved by being able to open and close the door independently of the order.

According to a ninth aspect of the present invention, there is provided a dishwasher provided in order to solve the above-mentioned problem, wherein a seal structure of one door is separated from a seal portion of the other door when the door is opened, and the dishwasher is closed when the door is closed. By having a structure in which the seal structure of one door approaches and seals the seal of the other door, the doors can be opened and closed independently in any order, thereby improving usability.

According to a tenth aspect of the present invention, there is provided a dishwasher provided to solve the above-mentioned problem, wherein a seal structure of one of the doors is moved by the urging force of a spring so that the seal of one of the doors is opened and closed. The door can be smoothly opened and closed without the structure contacting the other door.

[0016]

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. FIG. 1 is a perspective view of a dishwasher according to the present invention. The upper door 11, the lower door 12, and the main body 13 constituting the two-door shown in FIG. 1 are connected by a hinge mechanism provided below each door. In FIG. 2 (a), when each door is closed, the protruding portion 1 at the lower part of the upper door 11 at the portion where the doors overlap.
4a and the protruding portions 14b at the upper part of the lower door 12 are formed alternately to form a seal structure to prevent leakage of cleaning water injected from the nozzle 15. At this time, the rotation shaft 16 of the upper door 11
is located at the lower end of the upper door 11 near the seal structure 17, and the rotating shaft 16b of the lower door 12 is at the lower end of the lower door 12 opposite to the seal structure 17. At this time, no matter which door is opened or closed, the projecting shape portion 14 from the seal structure portion 17 is opened.
Since the doors a and 14b move away from each other, the doors do not collide with each other, and the doors 11 and 12 can be opened and closed independently around the respective rotating shafts 16a and 16b.

Further, by forming the direct hit prevention projection 18 near the projection of the lower door 12, an effect can be obtained with respect to the direct hit water sprayed from the nozzle. Also, as shown in FIG.
The locking portion 19 is provided in 4a, and the sealing member 20 is inserted.
This is fixed by the reinforcing metal fitting 21 inside the upper door.
This can further ensure the seal.

Further, by providing the seal guide 3 between the adjacent doors and the structural member for maintaining the closed state of the door, which is formed on the upper part of the housing, and the door opening / closing detecting device 51 on both sides of the housing. The height of the dishwasher main body can be reduced by eliminating the space for the structural member for maintaining the closed state of the door disposed at the upper part of the housing and the space for the door opening / closing detection device 51, thereby reducing the height of the dishwasher main body. Is also effective. In addition, the number of places where the door is closed is reduced from one to two, which prevents rattling when the door is closed. Another advantage is that since the seal guide 3 is not required, erroneous detection of the door opening / closing detecting device 51 due to intrusion of water into the seal guide 3 is eliminated.

When the upper door 11 and the lower door 12 are in the open state, the lower door 1 is reduced by the size of the missing seal guide 3.
The opening of 2 is widened and large dishes can be stored and washed.
In addition, since the seal guide 3 is removed, the upper door 1
In a state in which 0 is open, dishes can be easily put into the basket from the obliquely upper part of the opening of the upper door 11, and dishes that cannot be placed in dimensions from the opening of the lower door 12 can be stored and washed.

Further, if the door has a detachable structure, the opening of the dishwasher main body becomes large by simply removing the door, so that the dishes can be stored easily.

As shown in FIG. 3 (a), the ends of the respective doors constituting the sealing structure between the adjacent doors are both constituted by the end opposite to the end having the rotation center axis for opening and closing the door. .
As shown in FIG. 3B, during the door opening operation, the seal movable portion 22 of the upper door 11 is moved by the urging force of the spring 23, and the lower door 1 is moved.
2 away from the seal portion 24. At the time of the door closing operation, the seal movable part 22 is brought into contact with the abutting part 25 at the opening of the dishwasher body.
, It is possible to approach and seal the seal portion 24 of the lower door 12.

At this time, the protruding portion 26a of the seal movable portion 22 of the upper door 11 and the protruding portion 26b of the lower door 12
By providing the direct hit prevention protrusions 26c alternately, a seal structure is provided, and the leakage of cleaning water can be prevented. Further, by providing the seal member in the seal movable portion 22, the protruding shape portion 26b of the lower door 12 can press the seal member, and the sealing can be further ensured.

(Other Embodiments) In FIG. 2A, it is described that the rotating shaft 16b of the lower door 12 is located at the lower end of the lower door 12, but the rotating shaft is located at the left end or the right end of the lower door. Even so, the structure according to the present application is configured and the effect is obtained.

FIG. 4 shows the seal structure of the outer peripheral portion of each door.
(a) As shown in FIG.
The structure is such that the sealing member 35 fitted in the third sealing member receiver 34 is pressed and sealed. In the structure of the present invention, since the projecting portion 36 exists for the component such as the reinforcing metal fitting 21, the shortened portion 37 of the seal member receiver 34 is formed at both ends of the seal structure between the doors as shown in FIG. As a result, the seal member 35 may fall off from the seal member receiver 34. Accordingly, only the shortened portion 37 of the seal member receiver 34 deforms the protruding shape portion of FIG. 4C, thereby pressing the seal member 35 from an oblique direction.
Securely seal.

FIG. 5 (a) shows the cleaning tank 4 at the end 41 of the seal structure 40 between the door A38 and the door B39.
Since there is a gap 43 between the door 2 and each door and a shortened portion 45 of the seal member receiver 44, the protruding shape portion A4 of each door shown in FIG.
6. A gap 48 is formed between B 47 and places where sealing is not possible are created. By providing the projections A49 and B50 to prevent this, it is possible to reliably seal.

As shown in FIG. 6, the number of members can be reduced by symmetrically forming the receiving member 52 for fixing the door opening / closing detecting device 51 to the main body 53. As for the mounting method of the receiving member 52, the fixing portion 55 can be formed on only one side by setting the mounting side shape to the crank shape 54.

In addition, as shown in FIG. 7, as a seal structure between the door 56 and the main body, a seal member 58 of the door 56 that opens and closes around a rotating shaft 57 is pressed against a receiver 60 of a cleaning tank 59.

[0028]

As described above, according to the dishwasher according to the present invention, the doors can be opened and closed independently by arranging the projecting portions of the doors alternately in the seal structure. Will be possible. Further, a structure that does not require a seal guide, which is conventionally required, is formed, and a plurality of doors can be attached to the opening of the main body.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of an embodiment of a dishwasher according to the present invention.

FIG. 2 is a structural diagram showing a configuration of an embodiment of a dishwasher according to the present invention.

FIG. 3 is a structural view showing a configuration of an embodiment of a dishwasher according to the present invention.

FIG. 4 is a structural view showing a configuration of another embodiment of the dishwasher according to the present invention.

FIG. 5 is a cross-sectional view showing a configuration of another embodiment of the dishwasher according to the present invention.

FIG. 6 is a structural view and a sectional view showing a configuration of another embodiment of the dishwasher according to the present invention.

FIG. 7 is a sectional view showing a configuration of another embodiment of the dishwasher according to the present invention.

FIG. 8 is a structural diagram showing a configuration of a conventional dishwasher.

[Explanation of symbols]

1. Upper door 2. Lower door 3. Seal guide 4a. Seal member 4b. Seal member 5a. Projecting shape part 5b. Projecting shape part 6. Groove 7. Center of rotation 8a. End 8b. 8. Opposite end Seal member 10. Seal receiving part 11. Upper door 12. Lower door 13. Body 14a. Projecting shape part 14b. Projecting shape part 15. Nozzle 16a. Rotation axis 16b. Rotation axis 17. Seal structure 18. Direct impact prevention protruding portion 19. Locking part 20. Seal member 21. Reinforcing bracket 22. Seal movable part 23. Spring 24. Seal part 25. Butt 26a. Projecting shape part 26b. Projecting shape part 26c. Direct hit prevention projecting shape part 31. Door 32. Projecting shape part 33. Cleaning tank 34. Seal member receiver 35. Seal member 36. Overhang 37. Shortening part 38. Door A 39. Door B 40. Seal structure section 41. Edge 42. Cleaning unit 43. Gap 44. Seal member receiver 45. Shortening part 46. Projecting portion A 47. Projecting portion B 48. Gap 49. Projection A 50. Projection B 51. Door open / close detection device 52. Receiving member 53. Main body 54. Crank-shaped 55. Fixed part 56. Door 57. Rotation axis 58. Seal member 59. Cleaning tank 60. received

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Shoichi Mukai 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-shi, Fukuoka F-term in Totoki Kiki Co., Ltd. 3B082 BB01 BB06

Claims (10)

[Claims] 1. A cleaning tank for accommodating a tableware basket on which tableware is placed, wherein a cleaning nozzle for spraying cleaning water onto the tableware and a supply pump for supplying the cleaning water to the cleaning nozzle are controlled. A dishwasher provided with a control device for controlling a dishwasher, wherein a plurality of doors are attached to openings in the dishwasher main body, and each door can be opened and closed independently of the order of opening and closing. 2. The dishwasher according to claim 1, wherein the overlapping portions of adjacent doors constitute a sealing structure. 3. When either door is opened,
2. A seal portion of a door to be opened is movable in a direction away from a seal portion of an adjacent door, that is, when a door is closed, it acts in a sealing direction.
Or the dishwasher according to claim 2. 4. At an end of each door constituting a seal structure between adjacent doors, one door has a rotation center axis for opening and closing the door near the seal structure, and the other door has a rotation center for opening and closing the door near the seal structure. The dishwasher according to claim 1 or 2, wherein the dishwasher is formed at an end opposite to the end having the rotation center axis. 5. The tableware according to claim 3, wherein in the seal structure between the adjacent doors, the protruding shape portion inside the door and the protruding shape portion inside the adjacent door are alternately arranged. washing machine. 6. The method according to claim 3, wherein the method of fixing the seal member has a structure in which the locking portion is fixed to a protruding portion provided on the door by a fitting formed on the door. Dishwasher. 7. The dishwasher according to claim 1, wherein members for maintaining a closed state of the door are provided on both sides of the housing. 8. An end portion of each door constituting a seal structure between adjacent doors is formed as an end portion opposite to an end portion having a rotation center axis for opening and closing the doors. A dishwasher according to claim 1. 9. The seal structure of one door separates from the seal of the other door during the door opening operation, and the seal structure of one door approaches and seals the seal of the other door during the door close operation. The dishwasher according to claim 8, wherein the dishwasher has a structure. 10. The dishwasher according to claim 9, wherein the seal structure of the door is movable by a biasing force of a spring.