JP2596307Y2 - Dishwasher - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher, in particular, between an arm for vertically elevating a hood defining a sprinkling area for the dish above the main body of the dishwasher and a guide column for guiding the hood up and down. And a dishwasher provided with a new coupling mechanism.

[0002]

2. Description of the Related Art Conventionally, various dishwashers have been proposed, and various mechanisms have been adopted for connecting arms and guide columns in these dishwashers.
In such a dishwasher, for example, FIG.
0, the coupling mechanism shown in FIG. 11 is employed. In these figures, FIG. 10 is a perspective view of a dishwasher, and FIG. 11 is an explanatory view schematically showing a connecting mechanism. The dishwasher is composed of a washer body 1 and a hood 2, and the hood 2 is It is connected to the front part of the arm 4 via the link 3.
Further, the arm 4 is connected by a connecting mechanism 6 to a guide column 5 arranged at the rear of the hood. A known guide mechanism is provided between the guide support 5 and the hood 2, and the hood 2 can be moved up and down by the guide mechanism. As shown in FIG. 11, the connecting mechanism 6 is provided laterally on the guide column 5 and has a threaded portion 7A at its tip.
Bearing 9 formed integrally with a connecting plate 8 fixed by welding to the lower rear portion of the arm 4
The guide post 5 and the arm 4 are configured to be connected to each other by inserting the nut 11 into the screw hole 7A via the washer 10 while inserting the bearing hole 9A into the bearing hole 9A. In such a configuration, when the arm 4 is rotated around the shaft member 7 of the coupling mechanism 6, the hood 2 is raised while being guided upward by the guide mechanism with the rotation of the arm 4 via the link 3. You. As a result, the hood 2 closes the tableware on a cleaning tank (not shown) disposed in the main body 1 of the cleaning machine (the tableware is washed at this position).
Is moved to a position where the tableware is supplied to the washing tank and the tableware is removed from the washing tank at this position.

[0003]

However, in the conventional connecting mechanism 6, the arm 4 and the connecting plate 8 are fixed to each other only by welding. Therefore, when a load equal to or more than a certain load is applied between the arm 4 and the connecting plate 8, there is a possibility that the welded portion between the arm 4 and the connecting plate 8 may be damaged. When the welded portion is broken in this way, the rotation of the arm 4 can no longer be supported via the shaft member 7, and the hood 2 cannot be moved up and down. In such a case, it is necessary to replace the entire arm 4 including the coupling mechanism 6, which is very uneconomical.

[0004] When attaching and detaching the arm 4 and the connecting mechanism 6, the shaft member 7 needs to be inserted into the bearing hole 9 A of the bearing 9 as described above. It is necessary to expand the arm 4 in the direction of the middle arrow A, and as a result, there is a problem that the work of attaching and detaching the arm 4 to and from the shaft member 7 cannot be performed easily.
SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems of the related art, and can reliably and firmly connect an arm and a connecting mechanism, and can also attach and remove an arm and a shaft member of the connecting mechanism. It is an object of the present invention to provide a dishwasher capable of performing the above procedure very easily.

[0005]

[MEANS FOR SOLVING THE PROBLEMS] To achieve the above object
The dishwasher according to claim 1 includes a main body of the washer, a hood that divides a sprinkling area for the tableware above the main body of the dish and surrounds the upper side of the tableware, a guide post provided on a rear rear surface of the hood, An arm to be moved up and down, a connecting device connected to a front portion of the arm and fixed to a front position of a side wall of the hood, and a connecting mechanism provided between a rear portion of the arm and a guide column. Then, by moving the arm, in the dishwasher in which the hood is vertically moved between a position where the tableware is exposed in the main body of the washing machine and a position where the tableware is closed, the coupling mechanism includes: A shaft member laterally provided on the guide column,
A guide portion for inserting the rear portion of the arm, a flat plate portion connected to the guide portion, a connection member formed in the flat plate portion and opened downward and having a guide groove for guiding the shaft member; A notch portion corresponding to the guide groove is formed, and a bearing member fixed to the flat plate portion is fastened, and the shaft member inserted through the notch portion and the guide groove is fastened to the connecting member. And a member. In addition, the dishwasher according to claim 2 is characterized in that
In one dishwasher , on both sides of the guide groove
With the lower end of the flat plate portion has engaging pieces are formed,
The fastening member has a washer member through which the shaft member is inserted, and a lower end of the washer member is in contact with an upper surface of the locking piece . Further, the dishwasher according to claim 3.
The sprinkler and the dishwasher above the main body.
A hood that divides the water area and surrounds above the tableware, and a hood
The guide post and the hood on the rear
Arm connected to the front of the arm
Connections both fastened in front of the side wall of the hood
Tool and a link provided between the rear of the arm and the guide post.
Having a coupling mechanism, and moving the arm,
Position the tableware in the main body of the washing machine to be exposed and close the tableware
To move the hood up and down between
In the dishwasher according to the present invention, the connecting mechanism includes the guide.
A shaft member laterally provided on a column and a rear portion of the arm are supported.
Arm support, and a flat plate connected to the arm support
A shaft support, and the shaft member formed on the shaft support and
A connecting member having a shaft groove for guiding the corresponding prior Symbol shaft groove
Notch is formed, and is secured to the shaft support.
Inserted through the notched portion and the shaft groove
Fastening member for fastening the connected shaft member and the connecting member
And characterized by the following. The dishwasher according to claim 4 is the dishwasher according to claim 3, wherein the shaft groove is provided.
Locking pieces are formed at the lower end of the shaft support on both sides of
And the fastening member has the shaft member inserted therethrough.
A washer member, and a lower end of the washer member has a locking piece.
Characterized by being in contact with the upper surface of the.

[0006]

In the dishwasher according to any one of claims 1 to 4 , the rear portion of the arm is first inserted into the guide portion of the connecting member.
Alternatively, the connecting member is attached to the arm while being supported by the arm supporting portion, and the front portion of the arm is connected to a connecting tool fixed at a front position on the side wall of the hood. Thereafter, the arm is arranged from above the shaft member provided laterally on the guide support, and the shaft member is inserted into the notch of the bearing member through the guide groove or the shaft groove formed in the flat plate portion or the shaft support portion of the connecting member. Position. Then, the shaft member and the connecting member are fastened by the fastening member. Thereby, the connection between the arm and the connecting member is completed.

When the hood is moved to a position where the dishes are exposed in the main body of the washing machine, the arm is rotated upward about the shaft member. With the rotation of the arm, the hood is raised by being guided by the guide posts, and the dishes in the main body of the washing machine are exposed. In this exposed position, tableware is supplied to and removed from the main body of the washing machine. On the other hand, when washing dishes, the arm is rotated downward about the shaft member. As a result, the hood descends while being guided by the guide posts, and the dishes in the main body of the washing machine are closed by the hood. Thereafter, the dishes are washed by watering the dishes.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described in detail with reference to FIGS. FIG. 1 is a perspective view of a dishwasher, and FIG. 2 is an explanatory diagram schematically showing a relationship between an arm and a connection mechanism. In FIG. 1, the dishwasher according to the present embodiment basically includes a main body 20 and a hood 21 that covers an upper portion of the main body 20.
Known cleaning tanks made of wire mesh and the like (for example, Japanese Utility Model Laid-Open No. 50-106267, Japanese Utility Model Laid-Open No.
1-114963, Japanese Utility Model Application Laid-Open No. 63-52570, etc.), and a well-known watering machine for watering and washing the dishes placed in the cleaning tank is provided. It is arranged below. Since these washing tanks and sprinklers are known, they will not be described in detail here.
A switch box 22 is attached to one side wall of the main body 20 of the washing machine.
A switch 22A for instructing the start of the drive control of the sprinkler is provided on the front surface of 2. The drive control of the sprinkler is automatically stopped when a predetermined washing time is measured by a timer or the like after the switch 22A is turned on.

Further, the hood 21 surrounds the upper part of the tableware in order to divide a watering area when the tableware placed in the washing tank is washed through the sprinkler, and is formed in a box shape. An opening 21A is formed on the front surface of the hood 21, and the opening 21A is covered with a transparent glass 21B. The inside of the washing machine main body 20 can be seen through the transparent glass 21B of the opening 21A, and the washing state of the tableware is confirmed. A rail 23 (fixed to each side wall, but only one side is shown in FIG. 1) as a connecting tool is provided at a position in front of the mutually facing side walls of the hood 21 (only one side is shown in FIG. 1). It is fixed. The rail 23 is formed in a U-shape when viewed from the side.
A roller C rotatably attached to the roller 5 is rotatably inserted into the U-shaped portion. Food 21
A guide post 24 is provided on the rear surface of the rear of the hood 2. A hood 2 is provided between the guide post 24 and the hood 21.
A known guide mechanism (for example, a Japanese Utility Model
3-52570).

The arm 25 has a U-shaped portion which is spaced apart from the outer peripheral surface of the hood 21 by a predetermined distance.
Is inserted into the rail 23 as described above, and the rear portion is connected to the guide column 24 via a connecting mechanism K described later. Further, a spring 26 is stretched between the rear end of the arm 25 and the rear surface of the main body 20 of the washing machine. The spring 26 constantly urges the arm 25 in the direction of arrow B, and The arm 25 is urged to rotate about the shaft member 27 (described later) in the ascending direction. Next, the coupling mechanism K will be described with reference to FIG. Although only one connecting mechanism K is shown in FIG. 2, the connecting mechanism K is not shown.
4 are provided on both sides of the side wall.

The shaft member 2 is viewed from the side of the guide support 24.
The shaft member 27 has a screw portion 27A formed at the tip thereof. A fastening member T including a washer 34 and a nut 35, which will be described later, is fastened to the screw portion 27A with a connecting member 28 interposed therebetween. The connecting member 28 is inserted into the rear part of the arm 25, and the connecting member 28 is formed integrally with the guide portion G and the flat plate portion P. Each of the guide portions G has a guide hole 29.
Each of the guide holes 2 has a pair of guide pieces 30 in which
The rear part of the arm 25 is inserted into 9. In this manner, the welding of the arm 25 and each of the guide pieces 30 is performed in a state where the arm 25 is inserted into each of the guide holes 29 as necessary. Thereby, the fixing strength between the connecting member 28 and the arm 25 is remarkably improved. Further, the flat plate portion P is provided with the guide portion G.
The flat plate portion P is provided with a guide groove 31 formed from the lower end thereof and opened downward. At the upper end of the guide groove 31, an enlarged portion 31A is formed as shown in FIG.
A protruding portion 32B (see FIG. 4) of the bearing member 32 described later is fitted into A. Further, a pair of bent pieces 33 are formed at the lower ends of the flat plate portions P on both sides of the guide groove 31.

Further, the rear surface of the flat plate portion P (the left surface in FIG. 2).
, A bearing member 32 is welded and joined. As shown in FIGS. 4 and 5, the bearing member 32 has a disc portion 32A.
And the projection 32B. A notch 3 whose lower part is opened to correspond to the guide groove 31 is formed in the disc portion 32A.
2C is formed, and the protruding portion 32B is fitted into the enlarged diameter portion 31A of the guide groove 31 as described above. Then, the shaft member 27 is connected to the bearing member 32.
Of the shaft member 27 is inserted through the notch 32C of the flat plate portion P and the guide groove 31 of the flat plate portion P, and the fastening member T including the washer 34 and the nut 35 from the front surface (the right surface in FIG. 2) of the flat plate portion P. The shaft member 27 and the arm 25 are fastened by being screwed to the screw portion 27A. At the time of such fastening, the lower end of the washer 34 is
3 is in contact with the upper surface. As a result, the shaft member 27 is connected to the notch 32C of the bearing member 32 and the guide groove 3 of the flat plate portion P.
Since the lower end of the washer 34 is in contact with the upper surface of each bent piece 33 even when a load is applied in the direction from which the shaft member 27 comes off, the shaft member 27 is prevented from falling out of the notch 32C and the guide groove 31. Is done.

Subsequently, the arm 2 constructed as described above is used.
A description will be given of a case in which 5 is attached to the shaft member 27 via the connecting member 28. First, a rear portion of the arm 25 is inserted into a guide hole 29 formed in each guide piece 30 of the guide portion G. Thereafter, each guide piece 30 and the arm 25 are welded and joined as necessary. The arm 25 to which the connecting member 28 is attached as described above has the shaft member 27
The two notches 32C are arranged so as to be fitted into the guide grooves 31 of the flat plate portion P. At this time, the arm 2 is simply placed on the shaft member 27 from above the shaft member 27.
5 and the shaft member 27 can be positioned.

Thereafter, the arm 25 and the shaft member 27 are rotatably connected by screwing a nut 35 to the screw portion 27A of the shaft member 27 with the washer 34 interposed therebetween. Next, the operation of the dishwasher will be described. When washing dishes, first, the arm 25 is connected to the shaft member 2.
By rotating the hood 21 upward about the center 7, the hood 21 is raised along the guide mechanism of the guide column 24. As a result, the hood 21 is set at a position where the washing tank in the washing machine main body 20 is exposed. Thereafter, the dirty tableware is placed in the cleaning tank, and the arm 25 is rotated downward to set the tableware in a position where the tableware in the cleaning tank is closed. Next, switch box 2
The switch 22A of No. 2 is turned on, and driving of the sprinkler is started to wash dishes. After the switch 22A is turned on,
When a predetermined washing time is measured by a timer or the like, the driving of the sprinkler is stopped. Thus, the washing of the tableware is completed. The washed tableware is taken out of the washing tank after the arm 25 is rotated upward again to raise the hood 21 to the exposed position in the same manner as described above. This completes the dishwashing operation. Next, a second embodiment according to the present invention will be described with reference to FIGS. FIG. 6 is a side view of the dishwasher according to the second embodiment. The dishwasher of this embodiment has basically the same configuration as the dishwasher according to the first embodiment. Therefore, the same components as those in the first embodiment will be described with the same reference numerals, and the description will be made with a focus on differences from the first embodiment.

A characteristic feature of the second embodiment as compared with the first embodiment is that a holding member 50 is employed in place of the rail 23 in the first embodiment, and the arm 25 is adapted to the structure of the holding member. Is that the cross-sectional shape is an elliptical cross-sectional shape, and that a new connecting member 51 is used instead of the connecting member 28 in the first embodiment. Hereinafter, these characteristic configurations will be described. First, the holding member 50 will be described. The holding member 50 is fixed to a position in front of the mutually facing side walls (only one is shown in FIG. 6) of the hood 21. The holding member 50 is formed in a disk shape as shown in FIGS. 7 and 8, and a roller rotatably attached to a central part of the arm 25 formed in a cylindrical shape having an elliptical cross section. An arm groove 52 through which D (see FIG. 8) is inserted is provided. When the holding member 50 is fixed to the side wall of the hood 21, the arm groove 52
It is inclined as shown in FIG. The roller D of the arm 25 is provided at one end of the arm groove 52 with the arm groove 52.
A locking portion 53 for preventing the retaining member 50 from coming off from the holding member 50 is provided integrally with the holding member 50. Thus, even when the roller D of the arm 25 is moved up and down when the hood 21 is opened and closed, the roller D of the arm 25 remains in the arm groove
2 so as to be slidable.

Next, a connecting mechanism K using the connecting member 51
Will be described. The connecting member 51 is, as shown in FIG.
Basically, it is integrally formed of an arm support portion 54 and a flat plate-shaped shaft support portion 55 provided continuously below the arm support portion 54. The arm support portion 54 is provided with a fitting groove 56 along the longitudinal direction, and the rear end of the arm 25 is fitted into the fitting groove 56 and welded as required ( See FIG. 6). The shaft support portion 55 is provided with a circular shaft groove 57 whose lower part is open.
7, a bearing member 32 as in the first embodiment.
Is inserted. Further, the disk portion 32A of the bearing member 32 is welded to the back surface (the surface opposite to the paper surface in FIG. 9) of the shaft support portion 55.

On both sides of the lower end of the shaft support portion 55, a pair of locking pieces 5 inserted into the inside of the shaft groove 57 are provided.
8 are formed, and each locking piece 58 is formed as shown in FIG.
And protrudes toward the near side of the drawing. These locking pieces 58 perform the same operation as the bending piece 33 in the first embodiment. In this connection mechanism K, similarly to the first embodiment, the shaft member 27 provided laterally on the guide support 24 is provided with the notch 32C of the bearing member 32 and the shaft support portion 55 from the back side of the connection member 51. Shaft groove 5
7 and from the front side of the shaft support 55, the washer 34 (substantially the same as the outer diameter of the protrusion 32B of the bearing member 32).
Fastening member T having an outer diameter) and a nut 35
Is screwed to the screw portion 27A of the shaft member 27, whereby the shaft member 27 and the arm 25 are fastened.

At the time of such fastening, the washer 34 is
An outer diameter that is substantially the same as the outer diameter of the projection 32B of the receiving member 32
And each locking piece 58 is projected to the near side.
, The lower end of the washer 34 is
Therefore, even when a load is applied in a direction in which the shaft member 27 comes out of the notch 32C of the bearing member 32 and the shaft groove 57, the shaft member 27 is not in contact with the notch 32C.
The shaft groove 57 is prevented from coming off. Thus, it can be seen that each locking piece 58 performs the same operation as the bent piece 33 of the first embodiment. In the case where the shaft member 27 and the arm 25 are attached to each other using the connecting mechanism K as described above, the rear end of the arm 25 is connected to the fitting groove 5 of the connecting member 51.
6 and the operation of the dishwasher are the same as those in the first embodiment.
The description is omitted.

As described above in detail, in the dishwasher according to the first embodiment, when connecting the arm 25 and the connecting member 28, the rear part of the arm 25 is connected to the guide piece 3 of the guide portion G.
0, which is inserted into the guide hole 29 formed by welding and connected by welding when necessary.
The connection strength between the cable and the connection member 28 can be improved.
Therefore, even when a certain load or more is applied between the arm 25 and the connecting member 28, the arm 25 does not easily come off from the connecting member 28, and the strength reliability can be improved. .

Further, the shaft member 27 can be easily fitted into the notch portion 32C of the bearing member 32 and the guide groove 31 of the flat plate portion P only by placing the arm 25 on the shaft member 27 from above. The attachment and detachment of the 25 shaft members 27 can be performed very easily.
As a result, the time required for performing these operations during production assembly and maintenance and inspection of the dishwasher can be greatly reduced. Further, after the shaft member 27 and the connecting member 28 are fastened via the fastening member T including the washer 34 and the nut 35, the lower end of the washer 34 is brought into contact with the upper surface of the bent piece 33 of the connecting member 28. As a result, the shaft member 27 is prevented from slipping out of the notch 32C of the bearing member 32 and the guide groove 31 of the flat plate portion P, thereby preventing the shaft member 27 from slipping out of the notch 32C and the guide groove 31. You can do it.

Also, in the dishwasher according to the second embodiment, when the arm 25 is connected to the connecting member 51, the rear end of the arm is fitted into the fitting groove 56 of the arm support portion 54, if necessary. After the arm 25 to which the connecting member 51 is connected is placed on the shaft member 27, the shaft member 27 is connected to the notch 32C of the bearing member 32 and the shaft groove 57 of the shaft support portion 55. And the washer 34
An outer diameter substantially equal to the outer diameter of the protruding portion 32B of the bearing member 32
, And each locking piece 58 is protruded to the near side.
Based on this, the lower end of the washer 34 of the fastening member T is brought into contact with the upper surface of each locking piece 58, so that the same effect as in the first embodiment can be obtained. It should be noted that the present invention is not limited to the above-described embodiment, and it is needless to say that various improvements and modifications can be made without departing from the gist of the present invention.

[0022]

As described above, according to the present invention, the arm and the connecting mechanism can be reliably and firmly connected, and the tableware can be extremely easily attached and detached between the arm and the shaft member of the connecting mechanism. A washing machine can be provided, and the industrial effect is great.

[Brief description of the drawings]

FIG. 1 is a perspective view of a dishwasher according to a first embodiment.

FIG. 2 is an explanatory diagram schematically showing a relationship between an arm and a connection mechanism.

FIG. 3 is a front view of a connecting member.

FIG. 4 is a side view of the bearing member.

FIG. 5 is a front view of the bearing member.

FIG. 6 is a perspective view of a dishwasher according to a second embodiment.

FIG. 7 is a front view of a holding member.

FIG. 8 is a sectional view of a holding member.

FIG. 9 is a front view of the connecting member.

FIG. 10 is a perspective view of a conventional dishwasher.

FIG. 11 is an explanatory view schematically showing a conventional connection mechanism.

[Explanation of symbols]

1, 20: washing machine body, 2, 21: hood, 3
... link, 23 ... rail, 5, 24 ... guide support, 4, 25 ... arm, 6 ... connection mechanism, 2
7: Shaft member, 30: Guide piece, 31: Guide groove, 32: Bearing member, 32C: Notch, 3
4 ... washer, 35 ... nut, 50 ... holding member, 51 ... connecting member, 54 ... arm support portion,
55: shaft support portion, 56: fitting groove, 57: shaft groove, 58: locking piece, K: coupling mechanism, G: guide portion, P: flat plate Part, T ... fastening member

Claims (4)

(57) [Scope of request for utility model registration] 1. A washing machine main body, a hood that partitions a sprinkling area for tableware above the washing machine main body and surrounds above the tableware, a guide post provided on a rear rear surface of the hood, and vertically moves the hood up and down. An arm, a connecting tool connected to a front portion of the arm and fixed to a front position of a side wall of the hood, and a connecting mechanism disposed between a rear portion of the arm and a guide post; By moving the dishwasher up and down between the position where the tableware is exposed in the washing machine body and the position where the tableware is closed, the coupling mechanism includes: a shaft member laterally disposed, and a guide portion for inserting the rear portion of the arm, and a flat portion provided continuously to the guide portion, is open downwardly is formed in a flat portion, to guide the shaft member A connecting member having a guide groove, together with the notch corresponding to the guide grooves are formed,
A dishwasher comprising: a bearing member fixed to the flat plate portion; and a fastening member that fastens the shaft member and the connecting member inserted through the cutout portion and the guide groove. With the locking piece is formed on wherein a lower end portion of the flat plate portion on both sides of the guide groove, the fastening member has a washer member in which the shaft member is inserted, the lower end portion of the washer member There dishwasher according to claim 1, characterized in that in contact with the upper surface of the locking piece. 3. A washing machine body and tableware above the washing machine body.
Hood that partitions the sprinkling area and surrounds the tableware
And a guide support provided on the back of the hood,
Arm that raises and lowers the arm vertically, and
Tied and fixed in front of the side wall in the hood
Between the back of the arm and the guide post.
And a moving mechanism for moving the arm so that the food in the main body of the washing machine is moved.
The position between the position where the dishes are exposed and the position where the dishes are closed.
The hood to the dishwasher so as to up and down in the vertical direction
The connection mechanism may include a shaft member laterally provided on the guide support, an arm support for supporting a rear portion of the arm, and an arm support.
A flat plate-shaped shaft support part connected to the holding part and formed on the shaft support part
And a shaft groove for guiding the shaft member.
A connecting member, a notch corresponding to the shaft groove is formed, and
A bearing member fixed to a support portion, the notch portion, and the shaft member inserted through the shaft groove;
And a fastening member for fastening the connection member.
Dishwasher to mark. 4. A lower end of a shaft supporting portion on both sides of the shaft groove.
A locking piece is formed in the portion and the fastening member
Has a washer member through which the shaft member is inserted;
The lower end of the lock member is in contact with the upper surface of the locking piece.
The dishwasher according to claim 3, wherein: