KR20060077259A - Noise reducing structure for dish washer - Google Patents

Abstract

The present invention relates to a noise reduction structure of the dishwasher to improve the structure to reduce the noise generated during operation of the dishwasher, to reduce the unit cost of the product and also to reduce the assembly process.

The present invention provides a dishwasher having a tub having a space in which dishes are placed and being washed therein; It is provided in a state in which the tub is wrapped with a predetermined thickness to provide a noise reduction structure of the dishwasher, characterized in that a noise reduction case is provided to reduce noise generated when the dishwasher is operated.

Dishwasher, Noise Reduction Case

Description

Noise reducing structure for dish washer

1 is a longitudinal sectional view schematically showing a conventional dishwasher

2 and 3 are perspective views showing a structure for reducing the noise of the conventional dishwasher

Figure 4 is a perspective view showing a noise reduction structure of the dishwasher according to the present invention

Figure 5 is a perspective view showing the structure of the noise reduction case according to the present invention

Figure 6 is a perspective view showing a state in which the noise reduction case according to the present invention is fixed to the tub by a separate fastening member.

** Explanation of symbols for main parts of drawings **

3: Tub 100: Noise reduction case

110: side noise reduction plate 120: upper noise reduction plate

130: rear noise reduction plate

The present invention relates to a dishwasher, and to a noise reduction structure of the dishwasher for reducing the noise generated when the dishwasher is operated.                         

As is known, a general dishwasher has been used for the purpose of washing a large amount of utensils at a time in a cafeteria or a restaurant of a workplace, but recently, a household dishwasher having a small capacity for the purpose of saving household time and household labor even in a general household. The trend is to increase the use of.

Referring to FIG. 1, the dishwasher includes a tub 3 installed so that dishes are placed inside the casing 1 forming the exterior, and the tub 3 is disposed under the tub 3 so as to be washed. It comprises a part 5 (hereinafter referred to as a "drive part installation part") is provided with a variety of electrical appliances for supplying the wash water.

The tub 3 and the driver installing part 5 are described as follows.

The front of the tub 3 is provided with a door 7 that can be opened and closed. An upper rack 12 and a lower rack 14 are installed inside the tub 3, and upper spray arms 32 spraying washing water are disposed below the upper rack 12 and the lower rack 14. ) And the lower injection arm 34 are disposed respectively. And the lower part of the tub 3 is provided with a heater 13 for heating the washing water to a predetermined temperature.

On the other hand, the driving unit installation portion 5 is provided with a washing tank (9) for receiving the washing water, the washing tank (9) by pumping the washing water to the upper injection arm 32 and the lower injection arm 34 of the tub (3) A sending wash pump is installed. In general, the washing tank 9 and the upper injection arm 32 and the lower injection arm 34 are connected by the upper connection pipe 322 and the lower connection pipe 324.

In addition, the washing pump is generally composed of a motor 13 for generating a driving force, and an impeller (not shown) connected to the motor 13.                         

Referring to the operation of the conventional dishwasher described above as follows.

When the dishwasher 1 is operated, the washing water of the washing tank 9 is pumped by the washing pump and supplied to the upper spray arm 32 and / or the lower spray arm 34 of the tub 3. Therefore, the washing water is sprayed from the upper injection arm 32 and the lower injection arm 34 to the dishes placed on the upper rack 12 and / or the lower rack 14 to wash the dishes. The wash water may be supplied to the upper injection arm 32 or the lower injection arm 34 alone or may be supplied at the same time.

The washing water sprayed on the tableware is recovered to the washing tank 9 again through a recovery hole (not shown) communicating with the washing tank 9. In this case, the washing water containing the contaminants by washing the dishes may be filtered through a predetermined filtering means.

On the other hand, in order to reduce the noise caused by the vibration and shock generated during the operation of the dishwasher, as shown in Figure 2 and 3, the damping sheet (damping sheet, 21) on both sides / top / rear surface of the tub (3) ) And felt 22 is provided with a felt (felt, 22).

At this time, when the noise reduction unit 20 is described in the tub is as follows.

First, as shown in Figure 2, the noise reduction unit 20 is made of a rubber material to prevent the damping sheet 21 to use a separate adhesive and the like on both sides and top and rear of the tub (3). Attach them.

Next, as shown in Figure 3, after fixing the felt 22 to the upper surface of the damping sheet 21 by an adhesive and a separate fastening member (not shown), the tub (with a separate case (not shown) 3) and install to surround the noise reduction unit 20.                         

However, the structure for reducing the noise of the conventional dishwasher described above has the following problems.

First, in the structure of reducing the noise of the dishwasher, expensive damping sheet 21 and the felt 22 is used, there is a problem that the overall unit cost of the product is increased.

Second, the damping sheet 21 is installed on each side / top / rear surface of the tub 3 and the felt 22 is installed on the upper surface on which the damping sheet is installed. There was a problem of deterioration.

The present invention is to solve the above problems, an object of the present invention is to improve the structure to reduce the noise generated when the operation of the dishwasher, dishwasher to reduce the unit cost of the product and also reduce the assembly process It is to provide a noise reduction structure.

In order to achieve the above object, the present invention is a dishwasher provided with a tub having a space in which the dishes are placed therein is washed; It is provided in a state in which the tub is wrapped with a predetermined thickness, and provides a noise reduction structure of the dishwasher, characterized in that a noise reduction case is provided to reduce noise generated when the dishwasher is operated.

Here, the noise reduction case is composed of side noise reduction plate is installed on both sides of the tub, the upper noise reduction plate is installed on the upper surface of the tub, and the rear noise reduction plate is installed on the back of the tub.

At this time, it is preferable that the side / top / bottom noise reduction plate of the noise reduction case is integrally formed by plastic injection.

On the other hand, the noise reduction case is fixed to the tub by an adhesive or fixed by a separate fastening member.

And, the noise reduction case is characterized in that the case forming the appearance of the dishwasher.

As the noise reduction case is provided in the tub to reduce the noise generated when the dishwasher is operated, the product reduces the unit cost and the assembly process and does not require a separate exterior case.

The same components as in the related art are provided with the same names and the same reference numerals for convenience of description, and detailed description thereof will be omitted.

4 and 5, the noise reduction structure of the dishwasher according to the present invention is provided in the dishwasher having a tub 3 having a space in which dishes are placed therein to be washed, and having a predetermined thickness. (3) is provided in a wrapped state, characterized in that the noise reduction case 100 is provided to reduce the noise generated when the dishwasher is operated.

Here, the predetermined thickness means a thickness enough to absorb shock and vibration through the tub 3 when the dishwasher is operated, and the tub 3 and the internal components (not shown). It means the thickness that can protect from the external impact.                     

According to the present invention, as shown in Figure 5, the noise reduction case 100 is provided on the side noise reduction plate 110 is installed on both sides of the tub 3, the upper surface of the tub (3) The upper noise reduction plate 120 and the rear noise reduction plate 130 is installed on the rear of the tub (3).

At this time, the side / top / rear noise reduction plate (110, 120, 130) of the noise reduction case 100 is presented integrally formed by plastic injection.

More specifically, it means that the noise reduction case 100 is integrally manufactured by the injection process using the plastic material, and when the structure is completed and installed in the tub 3, the tableware Noise and vibration can be reduced by better absorbing the shock and vibration generated by the operation of the cleaner.

Of course, the side / top / bottom noise reduction plate (110, 120, 130) of the noise reduction case can be manufactured separately and fixed to the tub (3), in this case, the noise will leak out between each gap divided into each part. Since there is a possibility that the noise reduction case is preferably formed integrally.

At this time, the noise reduction case 100 is fixed to the tub 3 by an adhesive.

That is, after the adhesive is applied to the outer surface of the tub 3 or the inner surface of the noise reduction case 100, the noise reduction case 100 is inserted into both sides / upper / of the tub 3. It is fixed to the lower surface.

As another method, as shown in FIG. 6, the noise reduction case 100 may be fixed to the tub 3 by a separate fastening member. Here, the separate fastening member means a fastening means such as a screw.

According to the present invention, the noise reduction case 100 is characterized in that the case forming the appearance.

That is, in the prior art, in order to reduce the noise of the dishwasher, the tub 3 has a noise reduction unit 20 made of a damping sheet 21 and a felt 22, and a separate exterior case is manufactured to produce the tub ( 3) and the structure to cover the noise reduction unit 20, but in the present invention, when the outer surface of the noise reduction case 100 is made in the form of an external case to be fixed to the tub (3), a separate external case There is no need to provide it.

Accordingly, the manufacturing cost of the product can be reduced and the assembly process can also be reduced.

As described above, according to the present invention is provided with a noise reduction case 100 injection-molded with a plastic material to reduce the noise generated from the dishwasher, it can achieve a material cost reduction

In addition, since the noise reduction case 100 is integrally formed and fixed to the tub 3 at once, the assembling process may be reduced and the assemblability may be simplified.

So far, the present invention has been described with reference to the embodiments, and those skilled in the art to which the present invention pertains may implement the embodiments in a modified form within the essential technical scope of the present invention. Here, the essential technical scope of the present invention is shown in the claims, and the modified forms within the equivalent range will be construed as being included in the present invention.

Referring to the effect of the noise reduction structure of the dishwasher according to the present invention described above are as follows.

First, according to the present invention, by using the noise reduction case made of plastic injection molding to reduce the noise of the dishwasher has the effect of reducing the manufacturing cost of the product.

Second, according to the present invention, by forming the noise reduction case as a single unit, the assembly is improved, and the assembly process is also reduced.

Third, according to the present invention, as the noise reduction case also serves as an outer case, it is not necessary to separately provide an outer case.

Claims (6)

In the dishwasher provided with a tub having a space in which dishes are placed inside the washing; The noise reduction structure of the dishwasher is provided with a predetermined thickness to wrap the tub, the noise reduction case for reducing the noise generated when the dishwasher is operated. The method of claim 1, The noise reduction case Side noise reduction plate is provided on both sides of the tub, An upper noise reduction plate installed on an upper surface of the tub, Rear noise reduction plate is installed on the rear of the tub: noise reduction structure of the dishwasher, characterized in that consisting of. The method of claim 2, The noise reduction structure of the side / top / rear of the noise reduction case is integrally formed by plastic injection. The method of claim 2 or 3, The noise reduction case is noise reduction structure of the dishwasher, characterized in that fixed to the tub by an adhesive. The method of claim 2 or 3, The noise reduction case noise reduction structure of the dishwasher, characterized in that fixed to the tub by a separate fastening member. The method according to any one of claims 1 to 3, The noise reduction case is a noise reduction structure of the dishwasher, characterized in that the case forming the appearance of the dishwasher.

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