JP2003180597A - Fitting structure for washing pipe of dishwasher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fitting structure for a washing pipe of a dishwasher which can enhance the strength of the dishwasher body without reducing the volume of a washing compartment. <P>SOLUTION: A washing water channel 23 of rectangular cross section is formed with a first component member 21 of hat shape and a second component member 22, and its connecting portion 24 is held water tightly by welding. The component members 21 and 22 are formed by folding sheet metal, and both L-shaped ends thereof form an integral flange portion 25. The flange portion 25 is vertically formed in the vicinity from the top surface to the bottom surface of a washing compartment 3, and is secured to a rear panel 6 with screws through screw holes 26 bored at predetermined intervals. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning pipe mounting structure for supplying cleaning water to a cleaning nozzle of a dishwasher.

[0002]

2. Description of the Related Art A conventional dishwasher has a washing machine body 2 in a dishwasher 1, as shown in FIGS. 4 and 5, for example.
A washing tank 3 is defined in a watertight state inside, and an injection assembly composed of a washing nozzle 4 and a rinsing nozzle 5 is rotatably and rotatably disposed near the upper and lower portions of the washing tank 3. The injection holes (not shown) of the nozzles 4 and 5 are directed toward the dishes 11 stored in the cleaning tank 3.

As is clear from FIG. 5, a rear panel 6 serving as both a part of the cleaning tank and an exterior panel is arranged at the back of the main body 2 of the washing machine, and rear frames 7 are provided at the left and right ends of the rear panel 6, respectively. 7 are provided. Further, inside the cleaning tank 3 in the rear panel 6, a pair of left and right guide rails 8 and 8 are provided upright in parallel with a required space therebetween. Then, as shown in FIG.
As shown in FIG. 3, a box-shaped opening / closing door 9 is provided so as to be able to move up and down, and the cleaning tank 3 is defined by closing the opening / closing door 9. At the time of cleaning, cleaning water pumped by a circulation pump (not shown) is supplied to the cleaning nozzle 4 through the cleaning pipe 10, and is sprayed from the cleaning nozzle 4 to the tableware 11 stored in the cleaning tank 3 together with the rack. Therefore, washing is suitably performed. As shown in FIG. 4, the opening / closing door 9 is provided with a handle 12 having a substantially "U" shape, and by operating the handle 12 up and down, the opening / closing associated with the raising / lowering of the opening / closing door 9 is performed. Done.

Further, inside the washing machine, as shown in FIG. 6, a bracket 13 is welded and fixed to an upper portion of a rear panel 6, and a vertical portion 15 of the washing pipe 10 is provided on an upper surface of the bracket 13 via a pipe band 14. Are fixed with screws. That is, by securely fixing the cleaning pipe 10 to the rear panel 6, the displacement and vibration of the cleaning pipe 10 are prevented.

[0005]

However, in the conventional dishwasher 1 described above, the box-shaped opening / closing door 9 is supported by the rear panel 6 and the left and right rear frames 7, 7 so that it can be moved up and down. The rear panel 6 requires a certain amount of strength, and as a result of having a sufficient thickness,
It has been a factor that causes an increase in materials and weight. Therefore, it is conceivable to make the rear frame 7 a thick and rigid structural material, but at this time, the thickened portion is forced to protrude to the inside of the cleaning tank 3 from the viewpoint of appearance.
Therefore, it is pointed out that the internal volume of the cleaning tank 3 is reduced and that the arrangement positions of the members such as the guide rail 8 and the cleaning pipe 10 must be changed.

[0006]

SUMMARY OF THE INVENTION Therefore, the present invention has been proposed in order to preferably solve the above-mentioned problems inherent in the conventional dishwasher, and does not reduce the volume of the washing tank and the main body of the washing machine. It is an object of the present invention to provide a cleaning pipe mounting structure for a dishwasher, which can improve the strength of the.

[0007]

In order to overcome the above-mentioned problems and to achieve the intended purpose, a cleaning pipe mounting structure of a dishwasher according to the present invention is provided with an exterior panel which is a main body of the dishwasher. The washing tank is arranged inside the exterior panel to store the dishes, and the washing nozzle is rotatably provided on the upper portion of the washing tank. The washing liquid from the circulation pump is pumped to the washing nozzle through the washing pipe. In the dishwasher configured as described above, a flange portion is integrally provided at a portion extending in the longitudinal direction of the cleaning pipe, and the flange portion is fixed to the structural member such as the cleaning tank or the exterior panel in the vertical direction. It is characterized by being configured.

Further, according to the present invention, the cleaning pipe comprises a first component member having a hat-shaped cross section formed by bending a long sheet metal, and a second component member made of a long sheet metal. It is characterized in that a washing water channel having a rectangular cross section is defined inside by combining the members along the longitudinal direction.

Further, according to the present invention, the flange portion is integrally formed with both longitudinal edge portions of at least one of the first and second constituent members and extends horizontally in opposite directions. Characterize.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Next, a cleaning pipe mounting structure for a dishwasher according to the present invention will be described with reference to the accompanying drawings, first and second embodiments embodying the structure. In addition,
The same members as those already described with reference to FIGS. 4 to 6 are designated by the same reference numerals, and the description thereof will be omitted.

First, a cleaning pipe mounting structure for a dishwasher according to the first embodiment will be described with reference to FIGS. 1 and 2.
FIG. 1 is an enlarged perspective view showing a cleaning pipe mounting structure according to the first embodiment with a part thereof cut away, and FIG. 2 is an enlarged sectional view taken along line AA of FIG.

In the dishwasher 1 shown in FIGS. 1 and 2, the vertical portion 20 of the cleaning pipe 19 is formed by a combination of a first constituent member 21 and a second constituent member 22 formed in a hat shape, and has a rectangular cross section inside. A cleaning water channel 23 having a shape is defined. These first component 21 and second
The joint portion 24 in the longitudinal direction of the component member 22 is held in a watertight state by welding, for example. That is, the first and second constituent members 21 and 22 are formed in a channel shape by bending a sheet metal into a hat shape as described above, and further, both end edges in the longitudinal direction thereof are extended outward in an L shape. Thus, the flange portions 25, 25 are integrally formed. Each of the flange portions 25 is formed so as to extend from the vicinity of the top surface of the cleaning tank 3 to the vicinity of the bottom surface in the up-down direction when the flange portion 25 is arranged on the rear panel 6. Then, the cleaning pipe 19 is fixed by being screwed to the rear panel 6 through the screw holes 26 formed in the flange portion 25 at predetermined intervals. In this case, since the cleaning water passage 23 defined inside the cleaning pipe 19 is configured to have a rectangular cross section, while ensuring a cross sectional area equivalent to that of a conventional round pipe,
The depth dimension from the rear panel 6 to the front end face 27 of the vertical portion 20 can be made smaller than the conventional dimension.
The upper and lower ends of the vertical portion 20 of the cleaning pipe 19 are
Square pipe 28 derived from circulation pump or washing nozzle
Is connected by welding to thereby form a circulation path of cleaning water from the circulation pump to the cleaning nozzle.

Thus, the cleaning pipe 19 of the dishwasher 1
The vertical portion 20 in the first and second constituent members 21, 2
2 and the flange portions 25 are integrally formed on both end edges in the longitudinal direction and are fixed to the rear panel 6 at the flange portions 25. Therefore, the cleaning pipe 19 is used for structural members such as the rear panel 6. And the strength of the main body of the dishwasher 1 is improved. Also, the cleaning pipe 19
Since the washing water passage 23 defined inside is set to have a rectangular cross section, the reinforcing effect can be further improved and the depth dimension can be made smaller than that of the conventional round pipe.
That is, it is possible to realize the space saving of the piping portion while keeping the necessary cross-sectional area of the washing water passage 23. Further, since the strength of the main body of the washing machine is improved, other structural members such as the rear panel 6 can be made thin, which contributes to weight reduction, resource saving and cost reduction of the product. Further, the flange portion 25 can be easily manufactured by simply bending the edge portion of the sheet metal, without the need to use another member. Further, the cleaning pipe 19 is simple because it only needs to weld the first component member 21 and the second component member 22 made of bent sheet metal, and the cost can be reduced at the same time. As shown in FIG. 2, since the gap 29 is defined between the rear panel 6 and the second component member 22,
It is possible to keep the inside of the cleaning tank clean by preventing the remaining residue or the like from being accumulated or caught between the rear panel 6 and the second component member 22 during cleaning.

Next, a cleaning pipe mounting structure of the dishwasher according to the second embodiment will be described with reference to FIG. Figure 3 is the second
It is sectional drawing of the washing | cleaning piping attachment structure which concerns on an Example.

A dishwasher 41 shown in FIG. 3 is provided with an exterior panel 42 constituting the body of the washer, a washing tank 43 defined in a watertight state inside the exterior panel 42, and a front surface of the washer. , A plate-like opening / closing door 44 for storing and taking out dishes, washing nozzles 45, 46 for washing the stored dishes by spraying washing water from above and below, and these washing nozzles 45, 46 It basically comprises a circulation pump 47 for supplying cleaning water to the above, and a cleaning pipe 48 for connecting the circulation pump 47 to the upper cleaning nozzle 45. A cleaning pipe 48 communicating with the upper cleaning nozzle 45 is arranged between the exterior panel 42 and the cleaning tank 43. Also in this case, the vertical portion 49 of the cleaning pipe 48 is configured similarly to the structure shown in the first embodiment, and the flange portion 50 integrally formed with the vertical portion 49 extends vertically to the back surface of the exterior panel 42. It is fixed. In addition, the upper broken line 48a of the vertical portion 49 in the cleaning pipe 48 indicates a welded portion with the square pipe 51 that is horizontally disposed above and communicates with the cleaning nozzle 45, and the lower broken line 48b of the vertical portion 49 is Square pipe 5 arranged horizontally below and communicating with the circulation pump 47
2 shows the welded portion.

As described above, also in the second embodiment, the flange portion 50 is integrally formed with the vertical portion 49 of the washing pipe 48 in the dishwasher 41, and the exterior panel 42 is formed through the flange portion 50.
Since it is configured to be fixed to the main body of the dishwasher 41, the strength of the main body of the dishwasher 41 is improved along with the reinforcing effect of the washing pipe 48. Further, since the washing water channel has a rectangular cross section as in the first embodiment, the reinforcing effect is further improved, and the dimension between the exterior panel 42 and the washing tank 43 is made smaller than in the conventional case. Therefore, it is possible to save the space of the piping section while ensuring the required cross-sectional area of the washing water channel. That is, it is possible to reduce the depth dimension of the entire product by saving the space of the piping portion. Further, since the strength of the main body of the washing machine is improved, other structural members such as the exterior panel 42 can be made thin, which contributes to weight reduction of the product and resource saving.

The present invention is not limited to the contents of the first and second embodiments described above, and various improvements and modifications can be made without departing from the scope of the present invention. For example, the first constituent member and the second constituent member may have other shapes such as a semicircular shape, and the second constituent member may be a flat plate. Further, the flange portion may be provided on only one of the first component member and the second component member. Further, the disposition position of the cleaning pipe may be on the side surface of the dishwasher instead of the rear surface. Further, it is more effective if the flange portion is also provided in the cleaning pipe arranged along the top surface and the bottom surface.

[0018]

As described above, according to the cleaning pipe mounting structure of the dishwasher according to the first aspect of the present invention, the strength of the main body of the washing machine can be improved without reducing the volume of the washing tank. A beneficial effect such as being able to be obtained can be obtained. According to the washing pipe mounting structure of the dishwasher according to claim 2,
The strength of the cleaning pipe is further improved, and at the same time, space saving of the cleaning pipe can be achieved. Further, according to the cleaning pipe mounting structure of the dishwasher according to the third aspect, it is possible to obtain the cleaning pipe mounting structure in which the flange portion is easily formed.

[Brief description of drawings]

FIG. 1 is an enlarged perspective view showing a cleaning pipe mounting structure according to a first embodiment of the present invention with a part thereof cut away.

FIG. 2 is an enlarged cross-sectional view taken along the line AA of FIG.

FIG. 3 is a sectional view of a cleaning pipe mounting structure according to a second embodiment.

FIG. 4 is a perspective view of the dishwasher with the opening / closing door open.

FIG. 5 is a perspective view showing a conventional dishwasher with an opening / closing door removed.

FIG. 6 is an enlarged perspective view schematically showing a cleaning pipe mounting structure in a conventional dishwasher.

[Explanation of symbols]

2 washing machine body 3,43 cleaning tank 6 rear panel 10, 19, 48 Cleaning pipe 15, 20, 49 Vertical part 21 First Component 22 Second component 25, 50 Flange 42 Exterior panel

Claims (3)

[Claims] 1. An exterior panel forming a main body of a dishwasher,
The washing tank is arranged inside the exterior panel to store the dishes, and the washing nozzle is rotatably provided on the upper portion of the washing tank. The washing liquid from the circulation pump is pumped to the washing nozzle through the washing pipe. In the dishwasher configured to do so, a flange portion is integrally provided at a portion extending in the longitudinal direction of the cleaning pipe, and the flange portion is fixed to a structural member such as the cleaning tank or an exterior panel in the vertical direction. A cleaning pipe mounting structure for a dishwasher characterized by being configured. 2. The cleaning pipe comprises a first component member having a hat-shaped cross section formed by bending a long sheet metal, and a second component member made of a long sheet metal. The cleaning pipe mounting structure for a dishwasher according to claim 1, wherein a cleaning water channel having a rectangular cross section is defined inside by combining the cleaning pipes along the cleaning pipe. 3. The flange portion includes the first and second flanges.
The cleaning pipe mounting structure for a dishwasher according to claim 2, wherein the cleaning pipe mounting structure is integrally formed on both end edges of at least one of the constituent members in the longitudinal direction and extends horizontally in opposite directions.