KR101397000B1 - dish washer - Google Patents

Abstract

The present invention relates to a dishwasher, and more particularly, to a dishwasher capable of minimizing leakage of noise generated in a system to prevent user's uncomfortable feeling and providing comfort in use environment.

According to the dishwasher of the present invention, noise generated during operation of the dishwasher can be prevented from flowing through the lower portion of the door through sound absorption and sound insulation.

Dishwasher, noise, sound insulation

Description

Dish washer

The present invention relates to a dishwasher, and more particularly, to a dishwasher capable of minimizing leakage of noise generated in a system to prevent user's uncomfortable feeling and providing comfort in use environment.

Generally, a dishwasher is a device for spraying washing water to a dishwasher accommodated therein and spraying the washing water at high pressure, followed by drying. Specifically, in the dishwasher, washing water is sprayed at a high pressure into the tub in which the dishes are stored, and the washing water to be sprayed contacts the dishware, and the impurities such as food waste remaining on the surface of the dishware are cleaned.

Such a dishwasher can filter the food waste contained in the washing water by a filter, recycle the used washing water, and supply the detergent to the washing water so that the food waste can be smoothly separated. In recent years, a dishwasher has been widely used in which the temperature of the washing water is raised by a heater, or steam is generated to increase the efficiency of washing.

However, when the dishwasher is used in a home or a restaurant, internal noise generated during the operation of the dishwasher is leaked to the outside of the dishwasher, causing noise pollution and making the use environment poor.

Particularly, the noise generated when the washing water injected to wash the dishes in the tub falls down and the vibration noise generated in the sump provided in the machine room located in the lower part of the dishwasher occupies most of the leakage noise.

Such noise is mainly discharged through the gaps between the base front and bottom of the dishwasher and the bottom of the dishwasher and between the base and the installation surface, and as a result, the space between the bottom surface of the dishwasher and the installation surface escapes to the outside.

Particularly, experimentally, the noise flowing through the gap between the base and the tub, the path leading between the tub and the bottom of the door and the front surface of the base occupies a large part of the leakage noise, and the sound insulation The need for a structure is being sought.

It is an object of the present invention to provide a dishwasher capable of minimizing leakage of noise generated in a system to prevent user's uncomfortable feeling and providing comfort in use environment will be.

In order to accomplish the above object, the present invention provides a washing machine comprising a tub providing a space for washing dishes, a base forming a predetermined space below the tub, a tub supporting frame provided to support the tub between the tub and the base, And a sound absorbing member provided between the tub and the tub supporting frame.

The tub supporting frame may include an extension extending toward an installation surface of the dishwasher. The sound absorbing member may extend between the tub and the tub supporting frame at one end and may extend downward along the extending portion at the other end.

Meanwhile, a sound insulating member may be provided between the extension and the front cover of the base. At least a part of the sound insulating member may be made of a sound absorbing material.

According to another aspect of the present invention, there is provided a dishwasher according to the present invention, comprising: a tub providing a space for washing dishes; a base forming a predetermined space below the tub; A noise absorbing member for absorbing noise, and a sound insulating member for blocking noise emitted through the front surface of the base.

According to another aspect of the present invention, there is provided a dishwasher including a tub providing a space for washing dishes, a base forming a predetermined space below the tub, and a tub support A frame, and a noise leakage preventing unit for blocking noise from flowing out between the tub and the tub supporting frame and through the base front surface.

The dishwasher according to the present invention has the following effects.

First, the noise generated during the operation of the dishwasher can be prevented from flowing out between the tub and the door.

Secondly, there is an advantage that the outflow of noise generated in the system is minimized to prevent a user from causing discomfort, and the comfort of use environment can be improved.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Like reference numerals designate like elements throughout the specification.

FIG. 1 is a perspective view of a dishwasher according to the present invention, FIG. 2 is a perspective view of a door of a dishwasher cleaner according to the present invention, and FIG. 3 is a sectional view of FIG.

The dishwasher according to the present invention includes a tub 18 providing a space for washing dishes, a base 50 forming a predetermined space below the tub 18, A tub supporting frame 54 provided to support the tub 18 and a sound absorbing member 60 provided between the tub 18 and the tub supporting frame 54.

1 to 3, the tub 18 is provided inside a case 1 which forms an outer appearance of the dishwasher and is opened in the same direction as the tub 18, And is supported so as to be positioned at a certain height from the mounting surface (S).

A plurality of shelves 11 and 12 separated vertically are provided in the tub 18 and a rail 13 supporting the movement of the shelves 11 and 12 is provided in the front and rear As shown in Fig. In addition, nozzles 14, 15, and 24 for spraying washing water toward the respective shelves 11 and 12 are provided, and on the one side of the inside of the tub 18, an upper side nozzle 14 24 is provided with a washing and feeding path 19 for supplying washing water. A filter (17) for filtering foreign substances contained in the washing water is provided on the lower side of the tub (18).

The door portion 2 is provided to open and close the opening of the tub 18 and seals the front of the opened portion when the washing utensil is housed in the tub 18 and the washing stroke is progressed.

The door unit 2 is hinged to the case 1 at a lower end thereof and is rotatable about a lower end thereof. An exhaust fan 9 is provided at a predetermined position of the door portion 2 so that the internal air of the tub 18 is forcibly discharged to the outside by the exhaust fan 9. [ A detergent inlet (10) is provided on the inner side of the door part (2), and a certain amount of detergent is supplied to the washing water while being mixed.

On the other hand, the upper portion of the door portion 2 includes a control panel 3 that displays the operation status of the dishwasher and is provided to allow the user to control the overall function of the dishwasher.

Specifically, the control panel 3 is provided with a power switch 5 for turning on / off the power of the dishwasher, a door handle 4 for opening and closing the door 2, A function unit 7 for performing a predetermined operation on the dishwasher, a display unit 8 for displaying the operating state of the dishwasher, and a steam outlet 6 for discharging hot air inside the dishwasher.

The base (50) supports the tub (18) at a predetermined height and forms a predetermined space therein. A sump 16 is installed in the inner space of the base 50 for collecting washing water and filtering the foreign matter.

In addition, a space inside the base 50 is provided with a water supply pipe 22 for connecting the tub 18 and the outside of the dishwasher to supply water into the tub 18, A steam generator 20 for generating steam and a steam supply passage 21 for guiding the steam generated from the steam generator 20 to the inside of the tub 18 are provided do.

Here, the water supply line 22 is branched to be connected to the tub 18 and the steam generator 20, respectively. A tube side valve 40 and a steam generator side valve 41 for opening and closing the respective water supply lines 22 are provided so as to control the amount of water supplied through the branched water supply lines 22 . Therefore, the amount of water supplied to the tub side is controlled by the tub side valve (40), and the amount of water supplied to the steam generator (20) side by the steam side valve (41) is controlled.

Hereinafter, the sealing assembly of the dish washer according to the present invention will be described in detail.

FIG. 4 is a partial perspective view of the dishwasher according to the present invention viewed from the lower side, FIG. 5 is a partial cross-sectional view illustrating a noise outflow path of the dishwasher according to the present invention, and FIG. Sectional view of the dishwasher.

4 to 6, the dishwasher according to the present invention includes a tub 18 providing a space for washing dishes, a base 50 forming a predetermined space below the tub 18, A tub supporting frame 54 provided to support the tub 18 between the tub 18 and the tub 50 and a tub supporting frame 54 provided between the tub 18 and the tub supporting frame 54, And a noise leakage preventing unit (80) for blocking leakage of noise.

4, the base 50 is provided at a lower portion of the case 1. As described above, the base 50 is disposed at a predetermined height from the mounting surface S, And the inner space forms a machine room in which components such as the sump 16 and the steam generator 20 are mounted.

The base 50 may be provided so that its front surface is positioned behind the door 2 so as to form a predetermined space below the door 2. A toe kick place below the door unit 2 is formed to a certain extent to allow the user's feet to enter a certain part and is provided for the convenience of the user working in a kitchen or the like where the dishwasher is installed.

A front cover 52 is coupled to the front of the base 50 to isolate the inside of the base 50 from the outside. The front cover 52 is fastened to the base 50 by fastening means such as a bolt or by welding or pressing.

Referring to FIG. 5, the door portion 2 is provided with a door liner 62 to maintain the airtightness of the tub 18 when the door portion 2 is closed. The door liner 62 is formed to have a predetermined thickness along the edge portion of the door portion 2. Therefore, when the door portion 2 is closed, the door liner 62 comes into the inside of the tub 18 at a certain portion and comes into contact with the inner surface of the tub 18, and the airtightness of the tub 18 is maintained .

On the other hand, the dripping noise generated when the washing water falls inside the tub 18, the noise caused by the vibration of the driving unit such as the sump 16 and the steam generator 20 in the base 50, The generated noises are discharged to the outside of the dishwasher through the space between the lower portion of the door portion 2 and the mounting surface S. [ Particularly, the noise passing through the gap between the tub 18 and the base 50 and passing through the gap between the tub 18 and the lower portion of the door portion 2 and the entire surface of the base 50 occupies a large portion of the noise. do.

The noise leakage preventing unit 80 of the dish washer according to the present invention will now be described in detail with reference to FIG.

A tub supporting frame 54 for supporting the tub 18 is provided between the tub 18 and the base 50. The tub support frame 54 is provided in the lateral direction along the space between the tub 18 and the base 50 below the front portion of the dishwasher.

One end of the tub supporting frame 54 extends a predetermined length from the bottom of the tub 18 to the front of the door part 2 and the other end extends through the front cover 52 to the base 50 under the tub 18, And extend to the inner side. The tub support frame 54 serves to distribute and support loads of the upper components of the base 50.

In the dishwasher according to the present invention, a sound absorbing member 60 is provided between the tub 18 and the tub supporting frame 54.

Generally, a sound-absorbing material is divided into a porous sound-absorbing material and a plate-like sound-absorbing material depending on the structure. The former has a small bubble or a thin pipe-like hole on its surface and inside, and the sound energy is converted into thermal energy It is absorbed and changed. In the latter, a sound wave vibrates the plate and consumes sound energy, thereby obtaining a sound absorption effect. In the present embodiment, any of the porous sound absorbing material and the sheet sound absorbing material is applicable.

Wherein the tub support frame 54 has an extension 56 extending toward the mounting surface S of the dishwasher. The extension portion 56 extends a predetermined length downward from one end of the tub supporting frame 54 on the base 50 side.

At this time, the sound absorbing member 60 has one end extending between the tub 18 and the tub supporting frame 54, and the other end extending downward along the extending portion 56. Accordingly, a part of the sound absorbing member 60 is inserted and pressed between the tub 18 and the tub supporting frame 54, and the remaining portion extends downward along the extending portion 56, 56).

Specifically, the sound absorbing member 60 may be coupled to the tub supporting frame 54 by an adhesive means, or may be coupled by a compression fit method between the tub supporting frame 54 and the tub 18. Of course, it is also possible to engage with the tub support frame 54 by fastening means.

The sound absorbing member 60 may extend downward to an installation surface S of the dishwasher to shield the entire surface of the base 50. Here, the sound absorbing member 60 is provided along the lateral direction of the lower portion of the door portion 2, as viewed from the front of the dishwasher, while maintaining a cross-sectional shape as viewed from the side, thereby shielding the noise leakage path.

That is, the sound absorbing member 60 absorbs the noise flowing through the gap between the tub 18 and the base 50 and the path extending between the tub 18 and the lower portion of the door 2, And to do the role.

The dishwasher according to the present invention may further comprise a sound insulating member 70 provided between the extension portion 56 and the front cover 52 of the base 50. Specifically, the sound insulating member 70 may be provided between the inner surface of the front cover 52 and the front side surface of the extending portion 56.

The sound insulating member 70 may extend downward from the top of the front cover 52 by a predetermined length and may be provided to shield the entire surface of the base 50 along the transverse direction of the base 50 when viewed from the front side. Of course, it is also possible that the sound insulating member 70 extends downward to the installation surface S of the dishwasher and shields the entire surface of the base 50.

The sound insulating member 70 may be coupled to the front cover 52 by an adhesive means or may be coupled to the front cover 52 by an extrusion fitting method. Of course, it is also possible to engage with the front cover 52 or the extension portion 56 by fastening means.

When the sound insulating member 70 is coupled to the front cover 52 by the adhesive means or the fastening means, the front cover 52 is fastened to the entire surface of the base 50 in a state where the sound insulating member 70 is engaged , The sound insulating member 70 can be assembled together with the front cover 52. The sound insulating member 70 thus installed blocks noise emitted through the front surface of the base 50.

Here, the sound insulating member 70 is preferably made of a flexible material. The sound insulating member 70 may be made of a flexible material such as rubber or soft synthetic resin so that the sound insulating member 70 can be better pressed to prevent the occurrence of a gap between the front cover 52 and the extended portion 56.

It is also possible that at least a part of the sound insulating member 70 is made of a sound absorbing material so that the sound insulating member 70 can perform a sound absorbing function together. For example, the portion of the sound insulating member 70 on the side of the front cover 52 may be made of a sound absorbing material. In this case, the portion of the sound insulating member 70 on the extended portion 56 side is made of rubber, synthetic resin, or the like to block the noise, and a part of the noise passed without being blocked is transmitted to the front cover 52).

That is, although the sound insulating member 70 is shown as one member made of one material in FIG. 6, two or more different members may be combined so that sound absorption and sound insulation are possible at the same time.

On the other hand, in the portion where the sound absorbing member (60) and the sound insulating member (70) double cover the front surface of the base, the noise is double absorbed and blocked. In addition, when both the sound absorbing member 60 and the sound insulating member 70 extend to the mounting surface S, all the noise flowing through the entire surface of the base 50 can be doubly absorbed and shielded .

The sound absorbing member 60 and the sound insulating member 70 are separated from each other by one sound leakage preventing unit (not shown) for blocking the leakage of noise between the tub 18 and the tub supporting frame 54 and the front surface of the base 50 80).

Hereinafter, the operation of the dish washer according to the present invention will be described.

When the tableware is to be cleaned, the tableware is first stored in the shelves 11 and 12 with the door unit 2 being opened, and the shelf is placed in the correct position before the door unit 2 is closed.

Then, by operating the function operating section 7, the user selects a desired dishwashing operation and operates the dishwasher. Then, the operation of the dishwasher selected in a state where the operation status of the dishwasher is displayed on the display unit 8 is proceeded.

The operation of the dishwasher will be described with reference to the flow sequence of the washing water flowing in the tub 18. The operation of the dishwasher will be described with reference to FIG. The washing water dropped downward and flows into the sump 16 after washing the tableware placed on the shelves 11 and 12. A predetermined pump (not shown) provided with an impeller (not shown) is disposed inside the sump 16 so that the washing water is supplied to the nozzles 14, 15 and 24 again. Thus, the washing water is circulated from the sump 16 to the nozzles 14, 15 and 24. If necessary, the steam generated by the steam generator 20 is supplied to the tub 18 through the steam supply passage 21.

In this way, while the operation of the dishwasher is proceeding, dripping noise generated when the washing water falls inside the tub 18 and noise due to vibration of the driving unit such as the sump 16 and the steam generator 20 in the base 50 And other noise such as water flowing through the pipeline.

6, the sound-absorbing member 60 is installed between the tub 18 and the base 50 and the sound-absorbing member 60, 50, and the sound insulating member 70 blocks noise emitted through the front surface of the base, thereby preventing sound leakage.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. You can do it. It is therefore to be understood that the modified embodiments are included in the technical scope of the present invention if they basically include elements of the claims of the present invention.

INDUSTRIAL APPLICABILITY The present invention can effectively reduce falling-off noise and machine noise generated when a dishwasher is used, and can be applied to the manufacture of a dishwasher and the like for domestic or commercial dishware processing apparatuses.

1 is a perspective view of a dishwasher according to the present invention;

2 is a perspective view of a door of a dishwasher according to the present invention,

Fig. 3 is a cross-sectional view taken along the line I-I '

4 is a partial perspective view of the dish washer according to the present invention,

FIG. 5 is a partial cross-sectional view showing a noise outflow path of the dish washer according to the present invention

6 is a partial sectional view of a dishwasher according to the present invention to which the noise leakage preventing unit is applied.

DESCRIPTION OF REFERENCE NUMERALS

1: Case 2: Door

3: Control panel 4: Door handle

5: Power switch 6: Steam outlet

7: Function control section 8: Display section

9: exhaust fan 10: detergent inlet

11, 12: shelf 13: rail

14, 15, 24: Nozzle 16: Sump

17: Filter 18:

19: Washing and feeding tube 20: Steam generator

21: steam supply passage 22:

23: Drain pipe to 40: Turbo side valve

41: Steam side valve 50: Base

52: front cover 54: tub supporting frame

56: extension part 60: sound-absorbing member

62: door liner 70: sound insulating member

S: Mounting surface

Claims (8)

A tub providing space for dishwashing; A base for forming a predetermined space below the tub; A tub supporting frame formed in a transverse direction between the tub and the base and adapted to support the tub; An extension part of the tub support frame extending downward toward the installation surface by a predetermined length; A sound absorbing member provided between the tub and the tub supporting frame; And And a sound insulating member pressed against the extension of the base and the front cover of the base. delete The method according to claim 1, Wherein the sound absorbing member has one end extending between the tub and the tub supporting frame and the other end extending downward along the extending portion. delete The method according to claim 1, Wherein the sound insulating member comprises at least a part of a sound absorbing material. A tub providing space for dishwashing; A base for forming a predetermined space below the tub; The tub supporting frame having one end extended in the transverse direction between the tub supporting frame supporting the tub and the tub and the other end extending downward along an extension extending toward the mounting surface of the tub supporting frame, A sound absorbing member for absorbing noise emitted through a front surface of the housing; And And a sound insulating member provided between the extension and the front cover of the base to block noise emitted through the base front surface. The method according to claim 6, Wherein the sound insulating member comprises at least a part of a sound absorbing material. A tub providing space for dishwashing; A base for forming a predetermined space below the tub; A tub supporting frame formed in a transverse direction between the tub and the base and adapted to support the tub; And And a noise-outflow prevention unit configured to be configured as a sound-absorbing member and a sound-shielding member for blocking noise from flowing out between the tub and the tub supporting frame and through the base front surface.

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