JPH1176129A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the risk that a lid abuts to a hanging cabinet when opened although it is of the vertically turning type; to prevent the lid from blocking the view; to enable the lid to be held closed securely; and to surely seal water with ease of control. SOLUTION: A lid 25 is formed by a connected structure of a rear lid and a front lid 27 and is designed to be folded into two when opened so as to take a small-height, miniature configuration; when closed, the lid 25 extends from the doubly folded state and covers an opening in a washing tank, under which state locking members 56, 57 are engaged with the side of the washing tank to lock the washing tank. The locking members 56, 57 can be controlled by rotation of a control member, and by controlling the control member the lid 25 is drawn downward to strongly press packing 43 so that a high water sealing effect is available.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine having a structure in which a washing tank has an opening on an upper surface.

[0002]

2. Description of the Related Art Conventionally, in a washing machine such as a dishwasher, in which a washing tank has an opening on an upper surface, an object to be washed can be taken in and out from an opening on the upper surface of the washing tank.
Since the user does not need to bend down one by one, it has the advantage of being easy to use. Thus, a lid is generally provided in a laterally slidable manner with respect to the cleaning tank having an opening on the upper surface. This is to prevent other equipment such as a suspended cabinet from being located above the installation location of the washing machine in many cases, and not to hit the suspended cabinet when the lid is open.

[0003]

In the above-mentioned lateral slide type lid, it is necessary to provide a guide rail for guiding the slide of the lid on the top plate of the cabinet. However,
In the case where the dishwasher is to be retrofitted to the cabinet, it is impossible or difficult to install the dishwasher because no guide rail is provided on the top plate of the cabinet.

In order to avoid this, it is sufficient to eliminate the necessity of providing a guide rail on the top plate by making the lid a vertically pivotable pivot at the rear end side. Considering the convenience of putting in and out, it is quite large, and the lid that closes it is also quite large. For this reason, if the lid is turned up and down, it hits the above-mentioned hanging cabinet when the lid is opened. Further, even if it does not hit the hanging cabinet or the like, the large lid is in the upright state in the open state, which causes problems such as obstruction.

[0005] The present invention has been made in view of the above-mentioned circumstances. Accordingly, the object of the present invention is to make the lid up and down so as not to provide a guide rail, but not to hit a hanging cupboard or the like when opened. Another object of the present invention is to provide a washing machine capable of securely closing the lid in the closed state in the closed state without causing any obstruction to the lid, and also capable of securely sealing the water with ease in operation.

[0006]

In order to achieve the above object, a cleaning machine of the present invention firstly cleans a cleaning tank having an opening on an upper surface and an object to be cleaned in the cleaning tank. A cleaning mechanism, one end of which is rotatably supported up and down so as to open and close the opening of the cleaning tank, is configured to be foldable, is folded in two when opened, and is extended when closed to extend the cleaning tank. A cover for covering the opening of the cover, locking members provided on both sides near a foldable portion of the cover, an operating member for moving the locking member, and a locking member for the locking Alternatively, a first engagement portion provided on the cleaning tank side to lock the lid by engaging with a counterpart member in a closed state of the lid, and movement of the locking member by the operation member from the locked position. Lock the lid at a position below the lock position. A second engagement portion which is characterized by comprising; and a water seal member provided on one of the back side rim portion of the opening portion or the lid of the washing tub side (claim 1).

[0007] According to this, the lid is folded in two at the time of opening, so that it has a small form with a short height. In the closed state, the lid extends from the folded state to cover the opening of the cleaning tank, and in this state, the locking locking member moves the first side toward the cleaning tank.
Is locked by being engaged by the engaging portion of. Furthermore,
In this case, by operating the operation member, the lid is locked by the second engagement portion at a position lower than the lock position by the first engagement portion, and the water seal member is pressed accordingly. As a result, a higher water seal function is exhibited.

[0008] Secondly, the cleaning machine of the present invention has a cleaning tank having an opening on the upper surface, a cleaning mechanism for cleaning an object to be cleaned inside the cleaning tank, and a mechanism for opening and closing the opening of the cleaning tank. One end is pivotally supported so as to be vertically rotatable, is configured to be foldable by a first lid and a second lid, is folded into two when opened, and is extended when closed to extend the cleaning tank. A cover that covers the opening, a connecting member provided at a foldable portion of the cover, a locking member provided at the other end of the lid, the locking member and the connection An operation member for moving a member, a first engagement portion provided on the locking engagement member or the cleaning tank side and locking the lid by engaging with a counterpart member in a closed state of the lid, and The lid is moved by the movement of the locking member by the operating member from the locked position. A second engagement portion that locks at a position below the locking position, and is provided on the connecting member, and connects the first lid and the second lid by moving the connecting member by the operating member. It is characterized by comprising a connecting portion and a water sealing member provided on either the periphery of the opening on the side of the cleaning tank or the periphery of the back surface of the lid (claim 7).

[0009] Even in this case, since the lid is folded in two when opened, it has a small form with a short height. In the closed state, the lid extends from the folded state to cover the opening of the cleaning tank, and in this state, the locking locking member is engaged with the cleaning tank side by the first engaging portion, so that the locking is performed. Is done. Further, in this case, by operating the operating member, the lid is connected to the first lid and the second lid by the connecting portion of the connecting member,
Further, by operating the operation member, the second engagement portion is locked at a position lower than the lock position by the first engagement portion, and accordingly, the water seal member is locked by the second engagement portion. Irrespective of the position, it is pressed to the whole, so that a higher water sealing function is exhibited.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment in which the present invention is applied to a dishwasher incorporated in a sink cabinet of a system kitchen will be described below with reference to FIGS. First, FIGS. 2 and 3 show a cabinet 1 for a sink in a system kitchen. A sink 3 is formed on a top plate 2 made of, for example, a stainless steel plate, as shown in FIG. Is formed on the side portion of the draining plate portion 4, and the dishwasher 5 according to the present invention is provided on the side portion of the draining plate portion 4.

The dishwasher 5 mainly comprises a tank 6, which is housed in the cabinet 1 from above through an opening 7 (see FIG. 4) formed in the top plate 2. . Therefore, the dishwasher 5 of this embodiment uses the sink cabinet 1 of the system kitchen as an outer box.

The tank body 6 is made of plastic, and has a flange portion 8, a concave portion 9, and a step portion 10 (see FIG. 2) formed on the peripheral portion on the upper portion thereof in order from the outside to the inside. A cleaning tank 11 whose upper surface is open is formed inside the step portion 10. In addition, as shown in FIG. 4, the tank body 6 places the step 10 on the flange 12 around the opening 7 of the top plate 2 via a gasket 13 for water sealing. It is attached to the top plate 2 by tightening with screws 14. Further, a cap 15 for hiding a screw is mounted above the screw 14 insertion portion of the tank body 6.

As shown in FIG. 2, a fountain arm 16 and a heater 17 which constitute a washing mechanism are disposed at the bottom of the washing tank 11, and tableware to be washed is placed above the washing arm. The tableware basket 18 to be stored is stored so as to be able to be taken in and out through an opening on the upper surface of the washing tank 11. Also, the cleaning tank 11
Is connected to a water supply pipe 20 provided with a water supply valve 19. By opening the water supply valve 19, tap water is supplied from the water supply pipe 20 into the washing tank 11 until a predetermined water level is reached. I have. Then, the water is heated by the heater 17 to a predetermined temperature, for example, about 60 [° C.].

Further, a cleaning pump 2 is provided outside the cleaning tank 11.
1 and a drainage pump 22, and the cleaning pump 2
By means of 1, the washing water in the washing tank 11 is sucked from the water storage tank section 23 provided with a filter provided at the bottom of the washing tank 11 and sent to the fountain arm 16 by pressure. Further, the drainage pump 22 sucks the cleaning water in the cleaning tank 11 from the water storage tank section 23 and discharges the cleaning water to a drain pipe (not shown) of the sink 3.

The fountain arm 16 sprays the washing water toward the dishes (objects to be washed) in the dish basket 18 when the washing water is pumped as described above, and rotates by the reaction of the spray. The washing water is evenly sprayed on the dishes by this rotation, and the dishes are washed. In addition, a blower 24 is provided outside the cleaning tank 11. The blower 24 blows outside air into the washing tank 11 during the drying process. The blown air is heated by the heater 17 to be hot-aired, and the hot air is used to dry the washed dishes. .

The opening on the upper surface of the cleaning tank 11 is
It is opened and closed by. As shown in FIG. 3, the lid 25 includes a rear lid 26 as a first lid and a second lid 26 as a second lid.
As shown in FIG. 4, both the lids 26 and 27 have upper shells 26a and 27a, respectively.
27a and lower shells 26b and 27b. The upper shells 26a, 27a and the lower shells 26b, 27b are all made of, for example, plastic. Among them, the shells 26b, 27b facing the inside of the cleaning tank 11 are made of heat-resistant plastic (the upper shells 26a, 27a are also made of heat-resistant plastic). Is also good).

The two lids 26 and 27 are
a, 27a and the lower shells 26b, 27b
(In this case, the connection structure by the screw 28 is a rear cover 26
, But the same applies to the front lid 27).
Further, as shown in FIG. 5, a large number of cylindrical connecting portions 26c, 27c are alternately arranged in a horizontal line at a front edge portion of the lower shell 26b and a rear end portion of the lower shell 27b, and these are combined. The two lids 26 and 27 are rotatably connected to each other by passing through one thin rod-shaped shaft 29 (see FIG. 4).
The lid 25 can be folded in two.

Thus, the lid 25 pivotally supports the rear end of the rear lid 26, which is one end side, to the cleaning tank 11 side so as to be vertically rotatable. The pivoting mechanism 30 for pivotally supporting the rear end of the rear lid 26 of the lid 25 has a shaft 31. As shown in detail in FIGS. And a non-cylindrical portion 31b having a non-circular cross section, for example, an oval shape, are provided on both sides of the circular flange portion 31c.

The pivoting mechanism 30 further includes a bearing member 32 having a cylindrical bearing portion 32a, a lever 33, a spring 34 as an elastic body, and a mounting plate 35.
The cylindrical portion 31a of the shaft 31 is inserted into the bearing portion 32a of the bearing member 32 and rotatably supported. The lever 33 is attached to the end of the cylindrical portion 31a of the shaft 31 on the side opposite to the non-cylindrical portion 31b by a screw 36, and a spring is provided between the tip of the lever 33 and a rising piece 35a formed at the front of the mounting plate 35. 34 is stretched.

As shown in FIG. 8, the pivoting mechanism 30 is divided into two sets, one set each on the left and right sides, and is disposed on the step portion 10 on the rear side of the tank body 6. At this position, the shaft 31 Non-cylindrical part 31
In a state where the b faces outward, as shown in FIG.
It is attached to. A cover 38 is mounted on the step portion 10 on the rear side of the tank body 6 with claws 39. The cover 38 covers the pivotal support mechanism 30, and as shown in FIG. Only the portion 31b is projected outside the cover 38.

On the other hand, elastic attachment members 40 are attached to the lid 25 on both sides of the rear end of the rear lid 26 by screws 41. The elastic mounting member 40 has a substantially U-shaped portion 4
0a, and a claw 40c is formed inside the free piece 40b on one side of the U-shaped part 40a.
Due to the elasticity of the free piece part 40b having the claw 40c, the shaft 31 protruding from the cover 38 with the substantially U-shaped part 40a
The rear end of the rear lid 26 of the lid 25 is pivotally supported on the washing tank 11 side so as to be vertically rotatable.

As shown in FIG. 8, the length from the pivot of the lid 25 to the front end of the front lid 27, which is the tip of the entire lid 25, is defined as L0. When the length up to the front end of the rear lid 26 is L1,
The length L1 is greater than half of the length L0, that is, L1
> (L0 / 2).

As shown in FIG. 4 and FIG.
A groove 42 is formed over the entire periphery of the step portion 10 which is the peripheral edge of the opening on one side, and a rectangular frame-shaped packing 43 as a water sealing member is loaded into the groove 42. This packing 43
On the other hand, on the back surface of the rear cover 26 and the back surface of the front cover 27, the convex portions 44 and 45 are respectively formed into a U-shaped rib shape except for a connection portion of the rear cover 26 and the front cover 27. Has formed.

Further, as shown in FIG. 4, a packing, which is a second water sealing member, is provided at the mating portion of the rear cover 26 and the front cover 27, which is the mating portion of the foldable portion of the lid 25. 46 are provided over the entire length of the joining portion. The packing 46 is attached to, for example, the rear cover 26 in detail, and has a projecting dimension that presses the rear cover 26 to the rear end face of the front cover 27.

The front cover 2 on the front end side of the cover 25
A handle portion 47 is provided above the portion slightly behind the central portion of 7. The handle portion 47 is composed of a circular concave portion 48 formed in the upper shell 27a at a portion slightly behind the central portion of the front lid 27 and an operation member 49 housed in the concave portion 48. The operation member 49 has a bag shape that occupies almost the front half of the concave portion 48 and is formed by vertically dividing a bowl-shaped object with a lid, and only the bottom portion 49a has a circular shape. The bottom portion 49a of the operation member 49 has a cylindrical boss 50 at the center and pins 51 and 52 at the rear and front portions thereof. At the center, a screw 53 with a washer is attached so as to be horizontally rotatable, and pins 51, 52 are formed in holes 54, 55 formed at the bottom of the recess 48.
Through the front cover 27 below.

The locking members 56 and 57 are located in the front lid 27 in the vicinity of the foldable portion of the lid 25.
Is arranged. The locking members 56 and 57 are
As shown in FIG. 11, each end has a long slot 58, 59 at each end (up and down in the figure), and the pins 51, 52 of the operating member 49 are inserted into the slots 58, 59. It is inserted. The pins 51 and 52 of the operation member 49 are provided.
The holes 54, 55 of the recess 48 through which the
It has the same long hole shape as that of.

In the front lid 27, guide portions 60, 61, 62, 63, which are respectively arranged in front and rear and open to the left and right, are provided on the lower shell 27b at the portion near the center and on both left and right sides. The locking members 56, 57 are slid left and right by the guides 60-63 by positioning the locking members 56, 57 between the guides 60-63. I will guide you as much as possible.

Further, ribs 64 shown in FIG. 4 are formed on the upper shell 27a of the front lid body 27 so as to correspond to the locking members 56 and 57, respectively. Only corresponding components are shown, but they are also formed corresponding to the locking locking members 57). With these components, the locking locking members 56 and 57 are slidably pressed onto the lower shell 27b, and the lid 25 Upper shell 27a of the front lid 27 which is the upper wall
Locking member 5 between the lower shell 27b and the lower wall
6, 57 are slidably held.

Further, as shown in FIG. 11, each intermediate portion of the locking locking members 56 and 57 and the lower shell 27b of the front cover 27
Pins 65, 6 formed in portions near the guide portions 62, 63
6, springs 67, which are elastic bodies, respectively.
68, the locking members 56 and 57 are urged outward, respectively, so that their distal ends project outward from both side surfaces of the front lid 27.

The distal ends of the locking locking members 56 and 57 projecting from both side surfaces of the front lid 27 are as shown in FIG. Part 56
a, 57a and the second engagement portions 56b, 57
b. The first engagement portions 56a, 57a and the second engagement portions 56b, 57b are formed in a stepped shape with a height difference S, and the first engagement portions 56a, 57a are located downward and the second engagement portions 56a, 57a are located downward.
Are located above.

Further, on the lower side of the first engaging portions 56a, 57a, a slope that gradually rises forward from a portion on the base side (left side in FIG. 1) of the first engaging portions 56a, 57a. 56c, 57c, and the first engaging portion 56
a, 57a and the second engagement portions 56b, 57b,
Conversely, the slopes 56d, 57d gradually descending toward the front
Is formed. In addition, the second engagement portions 56b, 57b
As shown in FIGS. 12 and 13, each of the locking members 56 and 57 has a convex shape formed by two ridges extending in the longitudinal direction at both side edges.

On the other hand, as shown in FIG. 1A, on the side wall surface of the concave portion 9 of the tank body 6 on the cleaning tank 11 side, the engaged portions 71, 70 are formed by the concave portions 69, 70. 72 are formed on the upper and lower edges of the engaged portions 71 and 72, respectively.
b, 72b. In this case, the upper chamfered portions 71a and 72a have a curved shape, and the lower chamfered portions 71b and 72b have a sloped shape. , Or both may have a sloped shape.

Further, the chamfered portions 71b and 72b having a slope shape are provided.
The angle between the first engaging portions 56a, 57a and the second engaging portions 56b, 57 of the locking members 56, 57
b and the angles of the slopes 56d and 57d are substantially the same.

Further, a detection mechanism 73 as lid lock detection means is provided from the inside to the outside of each of the recesses 69, 70. This detection mechanism 73 is described in detail in FIG.
As shown in FIG. 4, a detection lever 74 having one end 74a positioned in the recesses 69 and 70, and a cylindrical intermediate portion 74b of the detection lever 74 are formed on the side walls of the recesses 69 and 70. Pressing the holding hole 75 so that it can rotate
6 and the other end 74 c of the detection lever 74 penetrating the holding plate 77,
The micro switch 78 is arranged so that a is pressed and turned on, for example. The operation of the dish washer 5 is performed by the on operation of the micro switch 78, and the operation of the dish washer 5 is performed by the off operation. Is to be stopped.

In addition, the front lid 27 which is the tip of the lid 25
As shown in FIG. 4, a claw piece 79, which is a second locking member, is provided at the front end portion of the front end portion by a spring 80 which is an elastic body so as to always protrude forward and outward. Correspondingly, a second engaged portion 82 is formed by a concave portion 81 on the front wall surface of the concave portion 9 of the tank body 6 on the cleaning tank 11 side. In addition, the claw piece 79 also has a slope 79a on the tip side, which gradually rises toward the front, on the lower side,
The second engaged portion 82 has a curved chamfered portion 82a formed at the upper edge.

Water drain holes 83 are formed on both left and right sides of the front end of the front lid 27 of the lid 25 as shown in FIG. Further, an exhaust port 84 is formed at the center of the cover 38 covering the pivot mechanism 30. This exhaust port 84
As shown in FIG. 15, the pipe 86 communicates with an exhaust hole 85 formed in the upper part of the side wall of the cleaning tank 11 through a pipe 86. The pipe 86 extends from the periphery of the exhaust port 85 of the cleaning tank 11. It comprises a wall 86a and a conduit cover 87 connected to the conduit main wall 86a. The pipe cover 87 has an exhaust hole 8 located between the exhaust hole 85 and the exhaust port 84.
A water-blocking wall 87a is formed to prevent the washing water from flowing out from reaching the exhaust port 84, and a louver 88 is formed in the exhaust port 84.

Next, the operation of the above configuration will be described. First, FIG. 2 shows a state where the lid 25 is in an open state. At this time, the lid 25 is rotated so that the rear lid 26 rotates upward about the shaft 31 and the front lid 27 is connected to the rear lid 26 by the shaft 2.
The lower part of the washing tank 11 is turned from the connecting portion 9 to be folded in two, and the opening on the upper surface of the cleaning tank 11 is opened in this state. At this time, the spring 34 of the pivoting mechanism 30 is in the state shown by the solid line in FIG. 9 and urges the shaft 31 clockwise from the lever 33, whereby the rear cover 26 and the cover 25 The whole is urged in the opening direction, and the lid 25 is held in the open state.

Now, from this state, a hand is inserted into the operating member 49 from the concave portion 48 of the handle portion 47, and the cover 25 is pulled forward with the hooked hand. 2
3, 4, and 8, as the front lid 27 pivots forward from the connection between the front lid 27 and the rear lid 26 by the shaft 29 while the 6 pivots downward about the shaft 31. Thus, the state is extended flat, and the opening on the upper surface of the cleaning tank 11 is closed.

At this time, when the downward rotation of the lid 25 (rear lid 26) has reached a predetermined angle or less, the spring 34 of the pivoting mechanism 30 raises the rising piece of the mounting plate 35 shown in FIG. A line O connecting the attachment portion (one end portion) of the spring 34 itself to the 35a and the rotation center of the lever 33 is moved upward and reaches a position shown by a two-dot chain line in FIG. And the rear cover 2
6 and thus the entire lid 25 is urged in the closing direction.

On the other hand, in the natural state, the locking members 56 and 57 are provided with the spring 6 as shown in FIG.
The front ends of the front lid 27 are projected outward from both side surfaces of the front lid 27 by the spring forces of 7, 68.
5 at the final stage of closing, the locking locking members 56, 57
Correspond to the uppermost edge of the tank body 6. However, the opposing side is the chamfered portions 71a, 72a formed on the upper edges of the engaged portions 71, 72 of the tank body 6, and the portions to which the locking locking members 56, 57 abut. Are also inclined surfaces 56c and 57c. Therefore, the beveled portions 71a and 72a and the inclined surfaces 56c and 57c are slidably in contact with each other by the spring 6 when the lid 25 is closed.
Locking members 56, 57 against the spring force of 7, 68
Guide to retreat.

Thus, the locking locking members 56, 5
7 are engaged portions 71, 7 of the tank body 6, which is a mating member.
2, and when it exceeds, it protrudes again by the spring force of the springs 67 and 68, and as shown in FIG. 1B, the first engagement portions 56 a and 57 a and the second engagement portions 56 b and 57
6c until the slopes 56d, 57d between them are stopped by the lower chamfers 72a, 72b.
9 and 70, the first engaging portions 56a and 57a are engaged with the engaged portions 71 and 72, and thus the lid 25 is locked in the closed state.

In this case, the vicinity of the connecting portion between the rear cover 26 and the front cover 27 of the cover 25 is slightly pressed from above,
Alternatively, by operating the operation member 49, the distal ends of the locking locking members 56 and 57 are moved over the engaged portions 71 and 72 of the tank body 6 as described above, and
1, 72 may be engaged.

Further, in the final stage of closing the lid 25, the tip of the claw piece 79 contacts the portion above the concave portion 81 of the tank body 6 (the second engaged portion 82). Chamfered portion 8 formed at the upper edge of engaged portion 82
2a, and the portion itself to be touched by the claw piece 79 is also the inclined surface 79a. Therefore, as described above, the second engaging force is generated by the moment when the lid 25 is closed or the force pressing the lid 45 from above. The engaging portion 82 is easily moved over the joining portion 82.
To lock the lid 25 in the closed state.

At this time, the projections 44 and 45 provided on the back surface of the lid 25 only rest on the packing 43 on the side of the cleaning tank 11 and come into contact therewith, but do not strongly press the packing 43. Further, at this time, the locking locking members 56 and 57 are still at positions irrelevant to the detection lever 74 of the detection mechanism 73, and even if the user performs a start operation while the micro switch 78 is kept off, the tableware is used. The operation of the washing machine 5 is not executed.

On the other hand, from this state, the operating member 49 is held by the hand hung on the operating member 49, as shown in FIGS.
Is operated counterclockwise as indicated by arrow A,
Is rotated about the boss 50 in the same direction, the locking member 56 is slid to the left by the pin 51, and the locking member 57 is moved to the right by the pin 52 by the pin 52. To slide.

The sliding of the locking locking members 56 and 57 are guided by the guide portions 60 to 63, respectively, and the sliding locking locking members 56 and 57 are slid.
Makes the tip protrude further outward than the previous position. For this reason, the first engagement portions 56a, 57a and the second
The inclined surfaces 56d and 57d between the engaging portions 56b and 57b are in sliding contact with the lower chamfered portions 71b and 72b of the engaged portions 71 and 72, and are guided by the guide portions so as to be locked.
6 and 57, while sinking downward, further enter the recesses 69 and 70, and as shown in FIG.
6b and 57b are engaged with the engaged portions 71 and 72. As a result, the lid 25 is moved downward from the lock position by the first engagement portions 56a and 57a, and locked at the lower position.

The depression amount of the lid 25 in this case is equal to the height difference S between the first engagement portions 56a, 57a and the second engagement portions 56b, 57b of the locking locking members 56, 57, and The convex portions 44 and 45 on the back surface of the lid 25 are
The packing 43 on the side is strongly pressed to ensure a water seal between the periphery of the opening on the upper surface of the cleaning tank 11 and the lid 25.

At this time, the locking members 56, 5
7 is a detection mechanism 7 by the slopes 56c and 57c at the tip.
The one end 74a of the third detection lever 74 is pushed down, whereby the detection lever 74 pushes the operator 78a of the micro switch 78 by the other end 74c, so that the micro switch 78 is turned on. Therefore, thereafter, the operation of the dishwasher 5 is executed based on the user's start operation.

Next, when the operating member 49 is operated clockwise as shown by an arrow D in FIGS.
The operation member 49 is rotated in the same direction, and the locking member 56 is slid rightward by the pin 51 and the locking member 57 is slid leftward by the pin 52. Let it. The slidable locking locking members 56 and 57 are such that the distal ends can be retracted inward from the positions up to now, so that the locking positions by the above-described second engagement portions 56b and 57b can be moved to the first position. Since the lock 25 is returned to the locked position by the engaging portions 56a and 57a and the pressing down of the lid 25 is released, the strong pressure of the packing 43 is released. The operation of the detection lever 74 of the detection mechanism 73 is also released, and the micro switch 78 is turned off. If the dishwasher 5 is operating at this time, the operation is immediately stopped.

When the operating member 49 is further operated clockwise, the locking locking member 56 is further slid rightward as indicated by arrow E, and the locking locking member 57 is further slid leftward as indicated by arrow F. Then, the distal end portion is further retracted inward, comes out of the concave portions 69, 70 on the cleaning tank 11 side, completely releases the engagement with the engaged portions 71, 72, and releases the lock of the lid 25.

Thereafter, when the operation member 49 is subsequently lifted up rearward, the lid 25 is pivotally moved upward about the shaft 31 while the front lid 27 is moved upward. By pivoting downward from the portion connected to the body 26 by the shaft 29, as shown in FIG. 2, it is folded into two, and the opening on the upper surface of the cleaning tank 11 is opened. At this time, the claw piece 79 is attached to the front lid 27.
By the above movement, especially the first movement, it comes out of the concave portion 81 on the cleaning tank 11 side, releases the engagement with the second engaged portion 82, and releases the lock of the lid 25.

As described above, in the case of this configuration, the lid 25 is folded up and down when opened to be a small form with a short height, although it is of a vertically rotating type which does not require the provision of a guide rail. Therefore, even if there is a suspended cabinet or the like above it, the lid 2
5 can be prevented from hitting the hanging cupboard and the like, and can be prevented from being obstructive.

On the other hand, in the closed state, the lid 25 is extended from the folded state to cover the opening on the upper surface of the cleaning tank 11, and in this state, the locking members 56, 5 are further locked.
7 is locked by engaging with the cleaning tank 11 side, so that the lid 25 can be reliably kept in the closed state, and the lid 25 is opened by the water pressure and vibration during the cleaning operation, and the cleaning water thereby. Problems such as scattering can be prevented, and the lid 25 can be prevented from being opened due to mischief of a child.

Further, in the present configuration, the lock position of the lid 25 by the locking members 56 and 57 is the lock position by the first engagement portions 56a and 57a,
There is a lock position by the engaging portions 56b and 57b,
The latter lock position is lower than the former lock position, and accordingly, the lid 25 is moved downward and the packing 43 is strongly pressed, so that a higher water sealing effect can be obtained.

In this case, if the operation for obtaining the high water sealing effect is to be performed by simply pressing the lid 25 with the hand holding the operation member 49, the locking members 56 and 57 are used.
Is located near the foldable portion of the lid 25 and the engaging portion 56
Since a, 57a, 56b, and 57b are located at positions away from the operation member 49, the lid 25 must be pressed with a considerable force, and the operability is not good.

In this respect, in the case of this configuration, the operating member 49
By simply operating the lock locking members 56,
57 can be moved to the locked position by the second engagement portions 56b and 57b, and the packing 43 can be strongly pressed, so that it can be performed without using excessive force, and therefore, a high water sealing effect is obtained. Can be obtained with good operability.

In addition, in the case of this configuration, the detecting mechanism 73 is turned on when the lid 25 is locked by the first engaging portions 56a, 57a of the locking locking members 56, 57. When the detection mechanism 73 is turned on at a position where it is locked by the second engagement portions 56b and 57b, it becomes operable. Accordingly, the cleaning operation can be performed only in a state where the packing 43 is strongly pressed and a high water sealing effect is obtained, so that problems such as leakage of cleaning water do not occur more reliably. Can be.

In the case of this configuration, the locking locking members 56 and 57 are constantly urged outward from the lid 25 by springs 67 and 68 (elastic bodies). Lid 2 by first engagement portions 56a, 57a
Since the lock of No. 5 is performed at the same time as the closing of the lid 25, the lock is naturally applied, and the operation for locking is not particularly required, so that the usability can be improved.

Further, the lid 25 is provided with locking members 56 and 5 for locking.
In the position locked by the first engaging portions 56a and 57b, the packing 43 is not strongly pressed, whereby the locking locking members 56 and 57 are moved by the first engaging portions 56a and 57a. When the locking members 56 and 5 are moved to the locking position and from the locking position.
7 can be prevented from acting in both directions when returning 7, and the necessary force (the biasing force of the springs 67 and 68 and the operating force of the user on the operating member 49) can be reduced. This can further contribute to cost reduction and improvement in operability.

The first engaging portions 56a and 57a and the second engaging portions 56b and 57b of the locking locking members 56 and 57 are provided.
The mating tank body 6 is chamfered 71a, 72a, 71 on both upper and lower sides of the engaged parts 71, 72 used for the engagement.
b, 72b, the locking locking member 56,
When the lock 57 reaches the lock position by the first engagement portions 56a and 57a, and when the lock 57 reaches the lock position by the second engagement portions 56b and 57b, the operation is smoothly performed without being caught. The operability can be further improved.

In addition, in this configuration, the second engaging portions 56b, 57b of the locking locking members 56, 57
Has a convex shape and engages with the engaged portions 71 and 72 of the tank body 6, whereby the locking locking members 56 and 5 are formed.
The frictional resistance when the member 7 reaches the lock position by the second engagement portions 56b and 57b or when the member 7 comes out of the lock position can be reduced, and the operating force of the user can be reduced by that much. This can contribute to improved operability.

16 and 17 show a second embodiment of the present invention. Only the differences from the first embodiment will be described below. In this case, the second
Is formed integrally with the lower shell 27b of the front lid 27 of the lid 25 in place of the above-mentioned claw piece 77, and the left and right sides of the second locking portion 101 The lower portion and the lower portion are separated from the lower shell 27b by a notch portion 102. Therefore, the second locking portion 101 is elastically deformed back and forth with the upper portion serving as a fulcrum.
1a is adapted to engage with a convex portion 103 which is a second engaged portion formed on the front wall surface of the concave portion 9 of the tank body 6.

With this configuration, the cover 25
The lock in the closed state can be more reliably performed together with the lock by the lock locking members 6 and 57, and the number of separate components used for the lock can be reduced, and the cost can be reduced.

FIGS. 18 and 19 show a third embodiment of the present invention. Only the differences from the first embodiment will be described below. In this case, the front cover 27 includes the cover 2
5, the connecting member 201,
202 is provided. The connecting members 201 and 202 are similar to the locking members 56 and 57 described above, but have coupling portions 201a and 202a at their respective distal ends. The coupling portions 201a and 202a are always connected to the rear lid 2
6, a notch 2 formed by opening forward and upward in the front part
03, 204, and from there, further faces holes 205, 206 formed on both left and right outer portions thereof.

On the other hand, like the locking members 56 and 57, the base ends of the connecting members 201 and 202 are provided with pins 51 and 52 of the operating member 49 by long holes 207 and 208 which are long in the front and rear directions (up and down in the figure). And is connected to the connecting member 20.
Each of the springs 67, 6
8 is exerting an urging force.

In addition, a locking member 209 is provided at the center of the front lid 27 which is a lid on the free end side of the lid 25. In detail, one end of the locking engagement member 209 is fitted and connected to a pin 211 provided on the left side of the operation member 49 by a long hole 210 which is long on the left and right. The other end faces forward from the center of the front edge, which is the tip of the front lid 27.
The other ends of the locking members 209 are the same as the distal ends of the locking members 56 and 57, and therefore, the first engaging portions 56a and 57a and the second engaging portion 56
b, 57b and slopes 56c, 57c, 56d, 57d
Similar first engagement portion 209a, second engagement portion 209
b, and slopes 209c and 209d.

Correspondingly, the recesses 69 and 70, the engaged portions 71 and 72,
And the same as the chamfers 71a, 71b, 72a, 72b,
The concave portion 213, the engaged portion 214, and the chamfered portion 214a,
214b.

In this configuration, if the operation member 49 is operated counterclockwise as indicated by the arrow A from the state where the lid 25 is extended and closed, the connecting members 201 and 202 become similar to the locking members 56 and 57 described above. By sliding in the directions of arrows B and C, the connecting portions 201a and 202a enter the holes 205 and 206, and the rear cover 26 and the front cover 27 are connected. At this time, the locking engagement member connecting member 209 slides forward (downward in FIG. 18) indicated by the arrow G to engage the first engagement portion 209a with the engaged portion 214, and To lock.

When the operating member 49 is further operated in the counterclockwise direction indicated by the arrow A, the connecting members 201 and 202 are further slid in the directions of the arrows B and C to connect the connecting portions 201a and 2a.
02a is penetrated deep into the holes 205 and 206. or,
At this time, the locking engagement member connecting member 209 also slides forward (in the direction of arrow G) further, so that the second engagement portion 209 b
Is engaged with the engaged portion 214 and the packing 43 is strongly pressed. Further, at this time, the locking locking member 209 is moved by the slope 209c at the tip end to the detection lever 74 of the detection mechanism 73.
Is pushed down, whereby the detection lever 74 turns on the microswitch 78 by the other end 74c.

Next, when the operating member 49 is operated clockwise as shown by the arrow D from the above-described state, the locking member 209 slides rearward as shown by the arrow H, and the above-mentioned second member is moved.
From the lock position by the engagement portion 209b of the first engagement portion 2
Return to the lock position by 09a, and release the strong pressure of the packing 43. At this time, the detection lever 7 of the detection mechanism 73
4 is also released, and the microswitch 78 is turned off. Further, the connecting members 201 and 202 are also slid in the directions of arrows E and F, and the connecting portions 201a and 202a are
Return to a shallow approach position within 5,206.

Thereafter, when the operating member 49 is further operated clockwise, the locking locking member 209 is further slid in the H direction so that the leading end portion comes out of the concave portion 213 on the cleaning tank 11 side, and the engaged portion is disengaged. The engagement with the cover 214 is completely released, and the lock of the lid 25 is released. At this time, the connecting member 20
Reference numerals 1 and 202 also slide in the directions of arrows E and F so that the coupling portions 201a and 202a escape from the holes 205 and 206.

Thereafter, when the operation member 49 is subsequently lifted upward in the rear direction, the lid 25 is rotated by the rear lid body 26 around the shaft 31 while the front lid body 27 is moved upward. By pivoting downward from the portion connected by the shaft 29 to the body 26, it is folded into two and the opening on the upper surface of the cleaning tank 11 is opened.

According to this, the locking of the lid 25 in the closed state and the strong pressure of the packing 43 from this state are applied by the connecting members 201 and 202 to the rear lid 26 and the front lid 27 of the lid 25.
Can be performed in a state where they are connected in a flat state, and the locking locking member 209 only needs to be provided at another location, and accordingly, the detection mechanism 73 is also provided. Since only one set needs to be provided, it is possible to contribute to cost reduction.

In addition, in this case, the first engagement portion 209a and the second engagement portion 209b at the distal end of the locking member 209 are free of the rear cover 26 and the front cover 27. The lid 25 is provided to lock the lid 25 almost at the center of the front end of the front lid 27 which is the end lid, so that the locking of the lid 25 and the strong pressure of the packing 43 can be applied to the lid 25. It can be formed almost at the center of the distal end (free end), so that more reliable locking and more reliable water sealing can be performed.

FIG. 20 shows a fourth embodiment of the present invention. Only the differences from the first embodiment will be described below. In this case, the first engagement portions 56a, 57
a, second engagement portions 56b, 57b, and slopes 56d,
The first engaging portion 301, the second engaging portion 302, and the inclined surface 303 corresponding to 57d are formed into the concave portions 69, 70 of the tank body 6.
And a curved chamfered portion 304 corresponding to the slopes 56c and 57c is formed on the decorative frame 305. The decorative frame 305 is a screw 3 used for attaching the tank 6 to the top plate 2.
06, and the screw 306 is tightened via a reinforcing frame 307 for preventing the top plate 2 from being deformed.

In this case, the above-mentioned engaged portion 7
Engaged portions 308 corresponding to 1, 72 are formed at the distal ends of the locking locking members 56, 57, and the chamfered portions 71a,
Beveled chamfered portions 309 and 310 corresponding to 71b, 72a and 72b are formed on both upper and lower sides of the engaged portion 308.

As described above, even if provided in the opposite relationship to the above,
When the lid 25 is closed, the slope 310
Are slid in contact with each other and the locking locking members 56 and 57 are once retracted, and then the leading ends (engaged portions 308) of the locking locking members 56 and 57 are caused to move by the spring force of the springs 67 and 68. 20B, the lid 25 is locked in the closed state as shown in FIG.

At this time, the protrusion 4 provided on the back surface of the lid 25
4 and 45 are only placed on and abutted on the packing 43 on the cleaning tank 11 side, and do not strongly press the packing 43. or,
The locking locking members 56 and 57 are still at positions irrelevant to the detection lever 74 of the detection mechanism 73. Even if the user performs a start operation with the micro switch 78 kept off, the operation of the dishwasher 5 is continued. Is not executed.

In this state, the locking members 56 and 57 are slid outward by operating the operation member 49, so that the chamfered portion 309 is inclined.
20, the engaged portion 308 engages with the second engaging portion 302, as shown in FIG.
The lid 25 is moved downward from the lock position by the above-described first engagement portion 301, and is locked at the lower position. Then, the protrusions 44 and 4 on the back surface of the lid 25 are reduced by the amount of the lowering of the lid 25.
5 strongly presses the packing 43 on the cleaning tank 11 side,
1 to ensure a water seal between the periphery of the opening on the top surface and the lid 25.

At this time, the locking members 56, 5
7, the chamfering section 310 pushes down one end 74a of the detection lever 74 of the detection mechanism 73, and the detection lever 74 turns on the microswitch 78. Thereafter, the dishwashing is performed based on the user's start operation. The operation of the machine 5 is executed, and the same operation and effect as described above can be obtained. This configuration can be applied to the concave portion 213 of the tank 6 and the lock member 209 of the third embodiment in a similar manner. In addition, packing 4
3 may be provided not on the periphery of the opening of the cleaning tank but on the periphery of the back surface of the lid 25.

In addition, the present invention is not limited to the embodiment described above and shown in the drawings, and the following modifications or extensions are possible. The elastic members exemplified by the springs 67, 68, and 80 may be replaced with rubber or the like. Further, the cabinet may be other than the one for the kitchen, and may be not for the system kitchen but for the washing machine.

The object to be washed may be other than tableware, for example, vegetables, fruits, etc. The washing method is not limited to the fountain type, and the object to be washed is immersed in water and washed by a stream of water generated. There may be. The lid lock detection means (detection mechanism 73) may be composed of a magnet provided on the lock locking member and a reed switch or a Hall IC provided on the cleaning tank side.

[0083]

The present invention is as described above.
The following effects are obtained. According to the washing machine of the first aspect, the lid is folded into two when opened when the lid is of a vertical rotation type that does not require the provision of a guide rail and has a small height, so that the lid can be suspended upward. It is possible to avoid hitting a closet or the like, and to avoid being annoying. In the closed state,
The lid is extended from the folded state to cover the opening on the upper surface of the cleaning tank, and in this state, the locking member is locked by engaging with the cleaning tank side, so that the lid is closed. To prevent the lid from opening due to water pressure and vibration during the washing operation, and to prevent problems such as splashing of the washing water due to the opening of the lid. Can be prevented.

Further, the lock position of the lid includes a lock position by the first engagement portion and a lock position by the second engagement portion, and the latter lock position is lower than the former lock position. Due to this, the lid can be moved downward and the water sealing member can be strongly pressed to obtain a higher water sealing effect. Moreover, in that case, the high water-sealing effect can be obtained by simply operating the operation member, so that it can be performed without requiring an excessive force such as pressing the lid with a considerable force. A high water sealing effect can be obtained with good operability.

According to the second aspect of the present invention, the cleaning operation can be performed only in a state where a high water sealing effect can be obtained, so that problems such as leakage of cleaning water can be prevented more reliably. Can be. According to the washing machine of the third aspect, the lid is naturally locked by the first engagement portion, and it is possible to improve the usability without requiring any operation for locking.

According to the fourth aspect of the present invention, when the locking member is brought to the lock position by the first engagement portion and when the locking member is returned from the locked position, Each required force can be reduced, which can further contribute to cost reduction and improvement in operability. According to the washing machine of the fifth aspect, the operation when the locking engagement member reaches the lock position by the first engagement portion and the operation when the lock engagement member reaches the lock position by the second engagement portion are respectively caught. The operation can be performed smoothly without any problem, and the operability can be further improved.

According to the sixth aspect of the present invention, the frictional resistance when the lock engaging member reaches the lock position by the second engaging portion or when the lock engaging member comes off from the lock position can be reduced. The user's operation force can be reduced, which can contribute to improvement of operability.

According to the washing machine of the seventh aspect, in addition to the same effect as that of the washing machine of the first aspect, in addition to the locking of the lid and the strong pressure of the water sealing member from this state, the connection is established. This can be performed by connecting the first lid body and the second lid body of the lid into a single flat state by using a member, so that the locking locking member can be provided at another location. Because it can be fastened, and the lid opening / closing detecting means can also be provided with a set,
This can contribute to cost reduction. According to the washing machine of the eighth aspect, the locking of the lid and the strong pressure of the water sealing member can be performed at a substantially central portion of the free end of the lid, so that more secure locking and more reliable water sealing can be performed.

[Brief description of the drawings]

FIG. 1 shows the main parts of a first embodiment of the present invention.
FIG. 8C is a longitudinal sectional view along the line II of FIG.

FIG. 2 is a perspective view of the whole part in a state where a lid is opened.

FIG. 3 is a perspective view of the whole part shown with the lid closed.

FIG. 4 is a longitudinal sectional side view of a lid portion taken along line JJ of FIG. 3;

FIG. 5 is a perspective view showing a state in which a lid is removed from an entire part.

FIG. 6 is an enlarged plan view of a pivot mechanism.

FIG. 7 is a longitudinal sectional view of an axis along a line KK in FIG. 6;

FIG. 8 is a plan view of the whole part.

FIG. 9 is a longitudinal sectional view of the pivot mechanism along the line LL in FIG. 5;

FIG. 10 is an exploded vertical sectional view of a pivot mechanism portion and a lid portion along the line MM in FIG. 5;

FIG. 11 is a cross-sectional view of a lock mechanism.

FIG. 12 is a longitudinal sectional side view of the locking member taken along line NN of FIG. 1 (a).

FIG. 13 is a partial perspective view of a locking member for locking.

FIG. 14 is a vertical cross-sectional side view of the lid lock detection mechanism along the line OO in FIG. 1 (c).

FIG. 15 is an enlarged vertical sectional side view of an exhaust port portion along the line PP in FIG. 3;

FIG. 16 is a view corresponding to FIG. 4 showing a second embodiment of the present invention;

17 is a front view of a second locking member viewed from the direction of arrow Q in FIG. 16;

FIG. 18 is a view corresponding to FIG. 8 showing a third embodiment of the present invention.

FIG. 19 is a longitudinal side view of a locking member portion along the line RR in FIG. 18;

FIG. 20 is a view corresponding to FIG. 1, showing a fourth embodiment of the present invention.

[Explanation of symbols]

1 is a cabinet, 5 is a dishwasher (washing machine), 7 is an opening, 11 is a washing tank, 16 is a fountain arm (washing mechanism),
21 is a cleaning pump (cleaning mechanism), 25 is a lid, 26 is a rear lid (first lid), 27 is a front lid (second lid), 26
c and 27c are connecting portions, 29 is a shaft, 30 is a pivot mechanism, 43 is a packing (water sealing member), 49 is an operation member, 5
6 and 57 are locking members for locking, 56a and 57a are first engaging portions, 56b and 57b are second engaging portions, 67 and 68 are springs (elastic bodies), and 71 and 72 are engaged portions. , 71
a, 71b, 72a, 72b are chamfered parts, 73 is a detection mechanism (lid lock detecting means), 78 is a micro switch,
01 and 202 are connecting members, 201a and 202a are connecting portions, 209 is a locking member, 209a is a first engaging portion, 209b is a second engaging portion, 214 is an engaged portion, 21
4a, 214b are chamfered portions, 301 is a first engaging portion, 3
02 is the second engaging portion, 308 is the engaged portion, 309 and 31
0 indicates a chamfer.

Claims (8)

[Claims] 1. A cleaning tank having an opening on an upper surface, a cleaning mechanism for cleaning an object to be cleaned inside the cleaning tank, and a pivotable one end side vertically opening and closing the opening of the cleaning tank. The lid is configured to be supported and foldable, folded in two when opened, and extended when closed to cover the opening of the washing tank, and provided on both sides near the foldable portion of the lid. A locking locking member, an operating member for moving the locking locking member, and a lid provided on the locking locking member or the cleaning tank side to engage with a partner member in a closed state of the lid. A first engagement portion that locks the lid, and a second engagement portion that locks the lid at a position below the lock position by movement of the lock engagement member by the operating member from the lock position; Peripheral edge of the opening on the side of the cleaning tank or the back of the lid A washing machine comprising: a water seal member provided in any one of the above. 2. The cleaning mechanism according to claim 1, wherein the cleaning mechanism is inoperable in a position where the lid is locked by the first engaging portion, and is operable in a position where the lid is locked by the second engaging portion. The washing machine according to 1. 3. The locking member is urged by an elastic body so as to always protrude outward from the lid, and the urging force locks the lid by the first engagement portion simultaneously with the closing of the lid. The washing machine according to claim 1, wherein: 4. The washing machine according to claim 1, wherein the water sealing member is not strongly pressed at a position where the lid is locked by the first engagement portion. 5. A member to be engaged with the first engaging portion and the second engaging portion has chamfers on upper and lower sides of an engaged portion to be engaged. The washing machine according to 1. 6. The washing machine according to claim 1, wherein the second engaging portion has a convex shape and engages with a mating member. 7. A cleaning tank having an opening on the upper surface, a cleaning mechanism for cleaning an object to be cleaned inside the cleaning tank, and a pivotable one end side vertically opening and closing the opening of the cleaning tank. A lid that can be folded in two by the first lid and the second lid, is folded into two when opened, and is extended when closed to cover the opening of the cleaning tank; A connecting member provided at a foldable portion of; a locking member provided at the other end of the lid; an operating member for moving the locking member and the connecting member; A first engagement portion provided on the locking engagement member or the cleaning tank side to lock the lid by engaging with a counterpart member in a closed state of the lid, and locking by the operation member from the locked position The lid is moved downward from the lock position by the movement of the locking member. A second engagement portion that locks at the closed position, a coupling portion provided on the coupling member, and that couples the first lid and the second lid by moving the coupling member by the operating member; A washing machine comprising: a water sealing member provided on either the periphery of the opening on the tank side or the periphery of the back surface of the lid. 8. The first engaging part and the second engaging part are formed by a first
8. The cleaning device according to claim 7, wherein the lid is locked at a position substantially at the center of the tip of the lid on the free end side of the lid and the second lid. Machine.