JP2000254067A - Dishwasher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accurately mount a support shaft of a member to be guided on a mounting member. SOLUTION: In a dishwasher which has a body 16 with a washing chamber formed at an upper part thereof and a second guide rail 22 thereon and a door 18 for opening or closing the washing chamber that is arranged freely lifting or lowering with respect to the body by the guiding of a first rotary roller 31 mounted on a first guide rail to the guide rail 22, or the like, a support shaft 25 supporting the first rotary roller is fitted to be mounted into a notch part 38 of the first guide rail 21 and the support shaft has a fitting part 41 allowed to be fitted into the notch part of the first guide rail formed with the dimension thereof smaller than that of other parts adjacent thereto (a positioning part 40 and a screw part 42).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called door-type dishwashing apparatus in which a door moves vertically with respect to a main body and opens and closes a washing chamber formed in the main body. The present invention relates to a dishwashing apparatus in which the structure of a support shaft that supports a guided member among an installed guide member and guided members such as rolling rollers is improved.

[0002]

2. Description of the Related Art Generally, a door-type dishwashing apparatus is
A washing water nozzle and a rinsing water nozzle are rotatably arranged above and below a washing chamber formed at an upper part of the main body, and the tableware and the like installed in the washing chamber are respectively ejected from the washing water nozzle and the rinsing water nozzle. Washing is performed with the used washing water and nozzle water, respectively, and the washing is performed.

[0003] The washing chamber is opened and closed by a door provided to be able to move up and down with respect to the main body. As shown in FIG.
00 is the rolling roller 10 attached to the main body 103 side.
The above-mentioned vertical movement of the door 100 is performed by rolling the 4 along the second guide rail 102 installed in the vertical direction of the door 100.

[0004] Incidentally, the rolling roller 104 is mounted on the support shaft 1.
05, is attached to the first guide rail 101 fixed to the back plate 106 of the main body 103. The above support shaft 1
Reference numeral 05 denotes a state where the fitting portion 105A is fitted to the cutout portion 107 of the first guide rail 101, and is fastened and attached to the first guide rail 101 using a nut.

[0005]

The support shaft 10
As shown in FIG. 12, the outer diameter of the screw portion 105B into which the nut 108 is screwed is formed to be smaller than the minimum dimension m of the fitting portion 105A. For this reason, when attaching the support shaft 105 to the first guide rail 101, the fitting portion 105A and the screw portion 105B of the support shaft 105 are connected to the first guide rail 101.
And the support shaft 105 may be obliquely hooked on the first guide rail 101 in some cases. In this state, if the nut 108 is screwed into the screw portion 105B and the support shaft 105 is attached to the first guide rail 101, the support shaft 105 may drop off from the first guide rail 101 after this attachment.

An object of the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a dishwashing apparatus capable of securely mounting a support shaft of a guided member to a mounting member.

[0007]

According to the first aspect of the present invention, there is provided a main body having a cleaning chamber formed at an upper portion thereof, and a guided member guided by a guide member so as to be vertically movable with respect to the main body. And a door that opens and closes the washing chamber, wherein a support shaft that supports the guided member is fitted and attached to the notch of the attachment member, and the support shaft is attached to the mounting shaft. A fitting portion capable of fitting into the notch portion of the member is formed to have a smaller size than other portions.

According to a second aspect of the present invention, in the first aspect of the present invention, the mounting member is installed on a main body, and the guide member is installed on a door.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the guided member is a rolling roller.

The invention according to claim 1, 2 or 3 includes:
It has the following effects:

A support shaft for supporting the guided member (rolling roller) is fitted and mounted in the notch of the mounting member, and the support shaft is fitted in the notch of the mounting member. But,
Since the support shaft is formed to have a smaller size than the other portions, when the support shaft is mounted on the mounting member, the other portion of the support shaft other than the fitting portion serves as a guide, and the fitting portion of the support shaft is connected to the mounting member. Is guided to the notch, so that the fitting portion of the support shaft can be securely fitted to the notch. As a result, the fitting portion and other portions of the support shaft are fitted into the notch portions of the mounting member, the support shaft is mounted obliquely to the mounting member, and the support shaft drops off from the mounting member after mounting the support shaft. Failures can be reliably prevented.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of a dishwashing apparatus according to the present invention, wherein (A) is a front view and (B) is a side view. FIG. 2 is a front sectional view showing the dishwashing device of FIG. 1.

In the dishwashing apparatus 10 shown in FIG. 2, a washing chamber 11 capable of accommodating dishes is formed at an upper portion of the main body 16, and washing water containing a detergent is stored below the washing chamber 11. A washing water tank 12 is provided. Also,
A rinsing water tank 13 for storing rinsing water is arranged on a side of the main body 16. A washing water tank heater (not shown) is installed in the washing water tank 12, and the washing water is heated to about 60 ° C.
Heated and maintained. Further, a rinsing water tank heater (not shown) is installed in the rinsing water tank 13, and the rinsing water is heated to about 80 ° C. and maintained.

A washing water pump (not shown) is arranged near the washing water tank 12. By operating the washing water pump, the washing water in the washing water tank 12 is supplied to the washing water conduit 14A.
Through the washing water nozzle 15 arranged at the upper and lower positions in the washing chamber 11, and the washing water nozzle 15
1 can be injected.

A rinsing water pump (not shown) is arranged near the rinsing water tank 13. By the operation of the rinsing water pump, the rinsing water in the rinsing water tank 13 can be sprayed from the rinsing water nozzle 17 disposed at the upper and lower positions in the cleaning chamber 11 through the rinsing water conduit 14B.
The washing water conduit 14A and the rinse water conduit 14B are:
It is fixedly attached to a back plate 20 (described later) of the main body 16.

The washing water nozzle 15 and the rinsing water nozzle 17 are arranged concentrically and are provided so as to be rotatable in the horizontal direction. When the cleaning water is sprayed from the cleaning water nozzle 15 and when the rinsing water is sprayed from the rinsing water nozzle 17, the cleaning water nozzle 15 and the rinsing water nozzle 17 are respectively rotated. Tableware placed on the table (not shown) is well washed and rinsed.

A filter (not shown) is provided below the cleaning chamber 11. This filter is used for cleaning water nozzle 15
The washing water that is sprayed from the rinsing water to wash the dishes and the rinsing water that is sprayed from the rinsing water nozzle 17 to rinse the dishes are filtered and introduced into the washing water tank 12. Further, the dishwashing apparatus 10 is provided with a box-shaped door 18 that enables the washing chamber 11 to be opened and closed with respect to the outside so that the main body 16 can move up and down.

That is, as shown in FIG. 1, the door 18 defines an upper surface, a front surface, and both side surfaces of the cleaning chamber 11, and is supported by a back plate portion 20 of the main body 16 so as to be able to move up and down freely. This back plate part 2
As shown in FIG. 2 and FIG. 7, first guide rails 21 as guide members extend in the vertical direction on the left and right sides of FIG. FIG. 1A shows the door 18.
A second guide rail 22 as a guide member is also provided inside the left and right side surfaces 18B and 18C of the
(FIGS. 2 and 7) extend in the vertical direction.

Further, as shown in FIG. 2, a second rolling roller 32 and a third rolling roller 33 as guided members are rotatably disposed on the door 18 below the second guide rail 22. Is done. In addition, a first rolling roller 31 as a guided member is rotatably disposed at the upper end of the first guide rail 21 of the main body 16.

A support shaft 23 as a rotation shaft of the second rolling roller 32 and a support shaft 2 as a rotation shaft of the third rolling roller 33
4 are arranged orthogonally to each other, and are fixed to at least one of the door 18 and the second guide rail 22. Further, a support shaft 25 as a rotation shaft of the first rolling roller 31 is disposed in the same direction as the support shaft 23. As shown in FIG. 7, the second rolling roller 32 and the third rolling roller 33 come into contact with the first guide rail 21 of the main body 16 and roll, and as shown in FIG. Is the second guide rail 22 of the door 18
The door 18 is configured to smoothly move up and down with respect to the main body 16 by rolling in contact with the main body 16.

On the other hand, as shown in FIG. 1, on the outside of the door 18, a front surface 18A and both side surfaces 18B, 18C of the door 18 are provided.
, A U-shaped handle 26 is provided.
Both ends of the handle 26 are pivotally supported by the back plate 20 of the main body 16, and portions corresponding to the side surfaces 18 </ b> B and 18 </ b> C of the door 18 are respectively connected to the side surfaces 18 via connection bars 27.
B, 18C. The lower end of the connection bar 27 is pivotally supported by the side surfaces 18B and 18C of the door 18, and the upper end is pivotally supported by the handle 26. The handle 26 is gripped by the operator, and the door 18 is moved up and down with respect to the main body 16, and the cleaning chamber 1 is moved.
1 is opened and closed.

Incidentally, reference numeral 19 in FIG. 1 denotes a window. Also,
One end of the assist spring 28 shown in FIG.
The other end is supported by the door 18, and is disposed in an extended state when the door 18 is closed. When the door 18 is opened, the spring restoring force acts on the door 18 as an assisting force. .

As shown in FIGS. 5 and 6, the door 18 has chamfered portions 34 at edges 29 and 30 where the front surface 18A intersects the side surfaces 18B and 18C. The chamfered portion 34 is formed by bending the edges 29 and 30 twice, and the inclined surface 35 is set at about 45 degrees with respect to the front surface 18A and the side surfaces 18B and 18C. By forming the chamfered portion 34, the corner portion 36 of the handle 26 and the door 1
The gaps between the edges 8 and 29 are set large enough to allow the operator's hand to pass through.

As shown in FIGS. 3 and 4, the second rolling roller 32 rolls on the left and right first guide rails 21 installed on the back plate 20 of the main body 16 as described above. A replacement hole 37 is formed in a part of the area that moves in the vertical direction.
As shown in FIG. 7, the replacement hole 37 has substantially the same center as the second rolling roller 32 and is formed to be larger than the outer diameter of the second rolling roller 32. It can be inserted. The second rolling roller 32 is replaced by raising the door 18 as shown in FIG. 4 and aligning the second rolling roller 32 of the door 18 with the replacement hole 37 in the first guide rail 21 of the main body 16. The second rolling roller 32 can be replaced through the replacement hole 37 through the replacement hole 37.

As shown in FIGS. 8 and 9, the first rolling roller 31 is installed via a support shaft 25 at the upper end of the first guide rail 21 which also functions as a mounting member.
That is, the notch 38 is formed at the upper end of the first guide rail 21 so as to open upward.

On the other hand, as shown in FIG. 10, the support shaft 25 is configured such that a roller support portion 39, a positioning portion 40, a fitting portion 41, and a screw portion 42 are sequentially integrated. The inner periphery of the first rolling roller 31 slides on the outer periphery of the roller support portion 39, and the first rolling roller 31 is rotatable. A pin 43 is implanted at the tip of the roller support portion 39, and the first rolling roller 31 is prevented from coming off by the pin 43 via the washer 44. In addition, the positioning unit 40
The size is set to be larger than the roller support portion 39 and the fitting portion 41, and the first rolling roller 31 is positioned via the washer 44.

The fitting portion 41 is formed in a flat surface shape that can be fitted in the notch 38 of the first guide rail 21. Further, a nut 45 can be screwed into the screw portion 42. FIG.
As shown in the figure, the fitting portion 41 of the support shaft 25 is fitted into the notch 38 of the first guide rail 21 and the screw portion 4 of the support shaft 25 is fitted.
2, a nut 45 is screwed into the positioning shaft 40 of the support shaft 25.
By holding the first guide rail 21 between the nut and the nut 45, the support shaft 25 is fixedly attached to the first guide rail 21.

Further, as shown in FIG. 10, the dimension X of the fitting portion 41 of the support shaft 25 is formed to be smaller than the outer diameter of the other adjacent portions (the positioning portion 40 and the screw portion 42). You. Thereby, when the fitting portion 41 of the support shaft 25 is fitted into the notch portion 38 of the first guide rail 21, the positioning portion 40 and the screw portion 42 of the support shaft 25 become the notch portion 38.
The fitting portion 41 serves as a guide and does not
And only the fitting portion 41 is securely fitted to the notch portion 38.

Accordingly, the dishwashing apparatus 1 according to the above embodiment is provided.
According to 0, the following effects are obtained.

The edge portions 29 and 30 of the door 18 have chamfered portions 3.
4, the corner portion 36 of the handle 26 attached to the outside of the door 18 and used when opening and closing the door 18.
And the gap between the doors 18 and the edges 29 and 30 can be set large, so that the operator's hand holding the handle 26 and opening and closing the door 18 is not caught in the gap between the handle 26 and the door 18.
Safety when opening and closing the door 18 can be secured.

The chamfered portions 34 of the edges 29 and 30 of the door 18
Is formed by two bending processes, the strength of the edges 29 and 30 is increased, and therefore the strength and rigidity of the entire door 18 can be improved without using a reinforcing plate as in the related art.

In the first guide rail 21 of the main body 16, a replacement hole 37 through which the second rolling roller 32 can be inserted is formed in a part of the area of the door 18 where the second rolling roller 32 moves. Therefore, if the position of the second rolling roller 32 is made to coincide with the replacement hole 37 of the first guide rail 21 by moving the door 18 up and down, the second rolling roller 3 can be moved through the replacement hole 37.
Since the second roller 2 can be replaced, the replacement operation of the second rolling roller 32 can be easily performed without removing the door 18 from the main body 16.

The center of the replacement hole 37 is the second rolling roller 3
2, the diameter of the replacement hole 37 can be set to the minimum size required for replacement of the second rolling roller 32, and the replacement hole 3
7 can be replaced easily.

A support shaft 25 supporting the first rolling roller 31 of the door 18 is fitted and attached to a notch 38 of the first guide rail 21 of the main body 16, and the support shaft 25 is provided with a first guide. Fitting portion 4 that can be fitted into notch portion 38 of rail 21
1 is formed to have a smaller dimension X than the adjacent positioning portion 40 and the screw portion 42, so that when the support shaft 25 is attached to the first guide rail 21, the positioning portions other than the fitting portion 41 on the support shaft 25. 40 and the screw portion 42 serve as a guide, and the fitting portion 41 of the support shaft 25 is connected to the first guide rail 2.
1 notch 38 so that the fitting portion 41 of the support shaft 25
Can be securely fitted into the notch 38.
As a result, the fitting portion 41 and the screw portion 42 of the support shaft 25 are fitted into the notch 38 of the first guide rail 21, and the support shaft 2
5 is attached diagonally to the first guide rail 21, and after mounting the support shaft 25 using the nut 45, the problem that the support shaft 25 drops off from the first guide rail 21 can be reliably prevented.

As described above, the present invention has been described based on the above embodiment, but the present invention is not limited to this.

For example, the chamfered portion 34 formed on the door 18
May be a curved surface instead of the inclined surface 35. Also,
The guided member that is disposed between the main body 16 and the door 18 and that smoothly moves up and down the door 18 is not a first rolling roller 31, a second rolling roller 32, and a third rolling roller 33, but a slider. It may be. Furthermore, the first guide rail 21 of the main body 16
The structure of the support shaft 25 attached to the support shaft 23 and the support shaft 2 attached to the second guide rail 22 of the door 18
4 may be applied.

Although the present invention has been described based on the above embodiment, the present invention is not limited to this.

[0039]

As described above, according to the dishwashing apparatus of the present invention, the support shaft for supporting the guided member is fitted and mounted in the notch of the mounting member, and the support shaft is mounted on the mounting member. Since the fitting portion that can be fitted into the notch portion of the member is formed to have a smaller size than the other portions, the support shaft of the guided member can be securely mounted on the mounting member.

[Brief description of the drawings]

FIG. 1 shows an embodiment of a dishwashing apparatus according to the present invention, wherein (A) is a front view and (B) is a side view.

FIG. 2 is a front sectional view showing the dishwasher of FIG. 1;

FIG. 3 is a side cross-sectional view along a line III-III in FIG. 2 when the door is closed.

FIG. 4 is a side sectional view corresponding to FIG. 3 when a door is opened.

FIG. 5 is a perspective view showing the door of FIG. 1;

FIG. 6 is a plan view showing the door of FIG. 1;

FIG. 7 is a sectional view taken along line VII-VII in FIG.

FIG. 8 is an enlarged side sectional view showing the first guide rail of FIG. 3;

FIG. 9 is a sectional view taken along the line IX-IX of FIG.

10 shows the support shaft of FIG. 9, (A) is a side view,
(B) is a front view, and (C) is a view on arrow XC of FIG. 10 (B).

FIG. 11 is a cross-sectional view corresponding to FIG. 9 and showing a mounted state of rolling rollers in a conventional dishwashing apparatus.

12 shows a support shaft of the rolling roller in FIG. 11,
(A) is a side view, (B) is a front view, and (C) is FIG.
(B) It is an XIIC arrow line view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Dishwasher 11 Washing room 16 Main body 18 Door 21 First guide rail (guide member) 25 Support shaft 31 First rolling roller (guided member) 38 Notch 40 Positioning part 41 Fitting part 42 Thread part 45 Nut X dimensions

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Eiji Saito 2-5-5 Keihanhondori, Moriguchi-shi, Osaka F-term in Sanyo Electric Co., Ltd. (reference) 3B082 BA04 BB02 BB05 BB06

Claims (3)

[Claims] 1. A main body having a cleaning chamber formed at an upper portion thereof, and a door which is disposed so as to be movable up and down with respect to the main body by a guided member being guided by a guide member, and which opens and closes the cleaning chamber. In the dishwashing apparatus, a support shaft that supports the guided member is fitted to and attached to a cutout portion of the mounting member, and the support shaft is fittable in the cutout portion of the mounting member. A dishwasher, wherein the part is formed in a smaller size than the other parts. 2. The dishwasher according to claim 1, wherein the mounting member is installed on a main body, and the guide member is installed on a door. 3. The dishwashing apparatus according to claim 1, wherein the guided member is a rolling roller.