KR20200016773A - Dish washer - Google Patents

Abstract

Disclosed is a dishwasher having an improved structure such that deformation of a storage container can be prevented. The dishwasher comprises: a main body; a tub arranged within the main body and having an opening part; a door arranged to open and close the opening part of the tub; a guide rail installed on an inner wall of the tub; a storage container storing dishes, arranged to be movable along the guide rail, and including a front side part facing the opening part and a rear side part; at least one roller installed at the rear side part of the storage container to be able to rotate such that the storage container can move along the guide rail; and a support holder formed at the front side part of the storage container to be supported on at least one between the guide rail and the inner wall of the tub.

Description

Dishwasher {DISH WASHER}

The present invention relates to a dishwasher, and more particularly, to a dishwasher having an improved structure to prevent deformation of the storage container.

A dishwasher is a device that automatically cleans food residues on dishes using detergent and washing water.

The dishwasher includes a main body, a tub disposed inside the main body, a storage container disposed inside the tub to accommodate the dishes, and a spray unit provided to spray washing water into the storage container.

The storage container may be withdrawn from the tub or drawn into the tub along a guide rail installed in the tub. At this time, the withdrawal or withdrawal of the storage container may be implemented by a guide roller rotatably installed along the guide rail.

In general, the storage container is supported by the guide roller when located inside the tub. At this time, since the guide roller supports the rear end of the storage container, the front end of the storage container is easily deformed in the direction of gravity.

When the front end of the storage container is deformed in this way, it is difficult to expect a smooth withdrawal or withdrawal of the storage container. In addition, there may be a restriction on the type of tableware that can be stored in the storage container. As an example, when the storage container includes an upper storage container and a lower storage container, when the upper storage container is deformed, a distance between the upper storage container and the lower storage container may be narrowed. This may lead to a narrowing of the storage space of the lower storage container, which may make it difficult to store large dishes in the lower storage container.

One aspect of the present invention provides a dishwasher having an improved structure to facilitate the withdrawal and withdrawal of the storage container.

Another aspect of the invention provides a dishwasher having an improved structure to improve the space utilization of the storage container.

According to an aspect of the present invention, a dishwasher includes a main body, a tub provided inside the main body, a door provided to open and close the opening of the tub, a guide rail installed on an inner wall of the tub, and a tableware. And a storage container provided to be movable along the guide rail, the storage container including a front part facing the opening, and a rear part, and a rotating part at a rear part of the storage container to move the storage container along the guide rail. It may include at least one roller and possibly a support holder formed on the front portion of the storage container to be supported on at least one of the guide rail and the inner wall of the tub.

The support holder may extend from the front portion of the storage container to be supported on the guide rail.

The guide rail may include a rail body fixed to an inner wall of the tub and having a one end facing the opening, and a rail holder coupled to one end of the rail body and extending downward.

The storage container further includes a side wall facing the guide rail, and the support holder may be formed at an upper end of the side wall of the storage container to avoid interference with the rail holder.

The storage container may further include sidewalls facing the guide rail, and a sidewall of the storage container may be provided with a stopper that interferes with the rail holder to limit the withdrawal of the storage container.

The support holder includes a support holder body defining an appearance, wherein the support holder body faces the first wall and the first wall facing the opening and is lower than the first wall in the height direction of the dishwasher. It may include a second wall having a height.

The at least one roller is a first roller provided to be supported on the upper portion of the guide rail and a second roller positioned below the guide rail to stably support the storage container together with the support holder and the first roller. It may include.

The support holder and the first roller may be located above the guide rail to be spaced apart from each other.

The inner wall of the tub may be formed with a support extending toward the inside of the tub so that the support holder is supported.

The storage container further includes a side wall facing the guide rail, the support holder includes a support holder body defining an appearance, and the support holder body is positioned on an upper side of the guide rail. And a second wall extending downward from the first wall and downwardly bent from the first wall to cover the guide rail together with the first wall. .

The guide rail may include one end facing the opening, and one end of the guide rail may have a support extending toward the inside of the tub to support the support holder.

The storage container may include a loading part on which the tableware is placed and a wall disposed along a circumference of the loading part, and the loading part and the wall may have a plastic material.

According to an aspect of the present invention, a dishwasher includes a main body, a tub provided in an interior of the main body, a door provided to open and close an opening of the tub, and a guide rail installed on an inner wall of the tub. A guide rail coupled to one end of the rail body and one end of the rail body, the guide rail including a rail holder extending downward, a storage container for storing dishes and being movable along the guide rail; The storage container may be provided to be supported by at least one of a guide rail and an inner wall of the tub, and may include a support holder positioned above the guide rail to avoid interference with the rail holder.

The storage container may include a front part and a rear part facing the opening, and the support holder may be provided at the front part of the storage container.

The dishwasher according to the spirit of the present invention may further include at least one roller installed at a rear portion of the storage container to movably couple the storage container to the guide rail.

The support holder may extend from the front portion of the storage container so as to be supported on the guide rail.

The rail body is fixed to the inner wall of the tub, and further includes the other end located on the opposite side of the one end toward the opening, the guide rail is coupled to the other end of the rail body, the rail extending upward It may further include a holder.

The storage container may include a sidewall facing the guide rail, and a sidewall of the storage container may be provided with a stopper that interferes with the rail holder to limit the withdrawal of the storage container.

The storage container may include a loading part on which the tableware is placed and a wall disposed along a circumference of the loading part, and the loading part and the wall may have a plastic material.

According to an aspect of the present invention, a dishwasher includes a main body, a tub provided inside the main body, a door provided to open and close the opening of the tub, a guide rail installed on an inner wall of the tub, and a tableware. And a plurality of rollers rotatably installed in the storage container so that the storage container is movable along the guide rail, and the storage container is movable along the guide rail, the first roller being located above the guide rail. A plurality of rollers including a roller and a second roller located below the guide rail, and a support holder extending from the storage container so as to be positioned above the guide rail, wherein the storage container includes the first roller, the At least one of the inner wall of the guide rail and the tub at three points by a second roller and the support holder It can be supported.

By providing the support holder at the front end of the storage container, the stress or load that can be applied to the storage container can be evenly distributed to the front end and the rear end of the storage container. Accordingly, it is possible to easily prevent a portion of the storage container from bending or sagging in the direction of gravity, and as a result, it is possible to improve the sliding property of the storage container and the space utilization of the storage container.

1 is a cross-sectional view of the dishwasher according to an embodiment of the present invention.
2 is a perspective view of a dishwasher according to one embodiment of the present invention;
3 is a perspective view of a rack assembly according to a first embodiment in a dishwasher according to an embodiment of the present invention;
4A and 4B are views illustrating a case in which the support holder is not installed in the rack assembly according to the first embodiment and the case in which the support holder is installed in the dishwasher according to the embodiment of the present invention, respectively.
5 is a perspective view illustrating a rack assembly according to a first embodiment before being withdrawn from a tub in a dishwasher according to an embodiment of the present invention;
6 is a perspective view illustrating a rack assembly according to a first embodiment withdrawn from a tub in a dishwasher according to one embodiment of the present invention;
7 is a view illustrating a relationship between a rack assembly and a guide rail when the rack assembly according to the first embodiment is inside a tub in the dishwasher according to the embodiment of the present invention;
8 is a bottom perspective view illustrating a rack assembly according to a first embodiment to show an inner structure of a support holder of a rack assembly according to a first embodiment in a dishwasher according to an embodiment of the present invention;
FIG. 9 is a cross-sectional view illustrating a support holder of a rack assembly according to a first embodiment mounted on a guide rail in a dish washing machine according to an embodiment of the present invention; FIG.
10 is a cross-sectional view showing a state in which the support holder of the rack assembly according to the second embodiment is mounted on the inner wall of the tub in the dishwasher according to the embodiment of the present invention.
FIG. 11 is a cross-sectional view illustrating a support holder of a rack assembly according to a third embodiment mounted on an inner wall of a tub in a dish washing machine according to an embodiment of the present invention; FIG.
12 is a cross-sectional view showing a support holder of the rack assembly according to the fourth embodiment mounted on the inner wall of the guide rail and the tub in the dishwasher according to the embodiment of the present invention.
FIG. 13 is a perspective view illustrating a support holder of a rack assembly according to a fifth embodiment mounted on a guide rail in a dish washing machine according to an embodiment of the present invention; FIG.
14 is a cross-sectional view of FIG.
15 is a perspective view illustrating a support holder of a rack assembly according to a sixth embodiment mounted on a guide rail in a dishwasher according to an embodiment of the present invention;
16 is a cross-sectional view of FIG. 15
17 is a perspective view illustrating a rack assembly according to a seventh embodiment in a dishwasher according to one embodiment of the present invention;
18A to 18D illustrate a process in which a rack assembly according to a seventh embodiment is coupled to a guide rail in a dishwasher according to an embodiment of the present invention.
19 is a perspective view illustrating a rack assembly according to a seventh embodiment before being withdrawn from a tub in a dishwasher according to one embodiment of the present invention;
20 is a perspective view illustrating a rack assembly according to a seventh embodiment withdrawn from a tub in a dishwasher according to one embodiment of the present invention;

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail. On the other hand, the terms "leading", "rear", "top", "bottom", "top" and "bottom" used in the following description are defined on the basis of the drawings, the shape of each component by this term And position is not limited.

Hereinafter, the tableware may be used as a concept encompassing a bowl, a cup, a cutlery, various cooking tools, and the like.

Hereinafter, "X" refers to the front-rear direction of the dishwasher 1, and "Y" refers to the left-right direction of the dishwasher 1. "H" refers to the height direction of the dishwasher 1.

1 is a cross-sectional view of the dishwasher according to an embodiment of the present invention, Figure 2 is a perspective view of the dishwasher according to an embodiment of the present invention.

As shown in FIG. 1 and FIG. 2, the dishwasher 1 may include a main body 10 forming an appearance.

The dishwasher 1 may further include a tub 12 provided inside the main body 10. The tub 12 may be provided in a substantially box shape. One side of the tub 12 may be open. That is, the tub 12 may have an opening 12a. As an example, the front surface of the tub 12 may be open.

The dishwasher 1 may further include a door 11 provided to open and close the opening 12a of the tub 12. The door 11 may be installed in the main body 10 to open and close the opening 12a of the tub 12. The door 11 may be installed in the main body 10 to be rotatable.

The dishwasher 1 may further include a storage container provided in the tub 12 to accommodate the dishes.

The storage container may include a plurality of baskets 51 and 52. Relatively bulky dishes may be stored in the plurality of baskets 51 and 52. However, the kind of tableware accommodated in the plurality of baskets 51 and 52 is not limited to relatively large tableware. That is, the plurality of baskets 51 and 52 may store not only relatively large tableware but also relatively small tableware.

The plurality of baskets 51 and 52 are upper baskets 51 positioned at the upper portion in the height direction H of the dishwasher 1 and lower portions positioned at the lower portion in the height direction H of the dishwasher 1. It may include a basket 52. The upper basket 51 may be provided to be supported by the upper guide rack 13a, and the lower basket 52 may be provided to be supported by the lower guide rack 13b. The upper guide rack 13a and the lower guide rack 13b may be installed on the inner wall 14 of the tub 12 so as to be slidable toward the opening 12a of the tub 12. The inner wall 14 of the tub 12 may be a concept including an inner surface of the right wall and the inner surface of the left wall of the tub 12.

The storage container may further include a rack assembly 100. The rack assembly 100 may be disposed in the tub 12 to accommodate the dishes. Specifically, the rack assembly 100 may be disposed inside the tub 12 to be retractable. The rack assembly 100 may accommodate a relatively small tableware. Preferably, the rack assembly 100 may accommodate a cooking utensil or cutlery such as a ladle, a knife, a reversible, and the like. In addition, a small cup such as an espresso cup may be accommodated in the rack assembly 100. However, the kind of tableware accommodated in the rack assembly 100 is not limited to the above example. The rack assembly 100 may be positioned above the plurality of baskets 51 and 52 in the height direction H of the dishwasher 1. In other words, the rack assembly 100 may be located at the top of the tub 12 in the height direction H of the dishwasher 1. Detailed description of the rack assembly 100 will be described later.

The dishwasher 1 may further include a guide rail 800 installed on the inner wall 14 of the tub 12 to guide the movement of the storage container. The storage container may be provided to be movable along the guide rail 800. In detail, the guide rail 800 may be installed on the inner wall 14 of the tub 12 to guide the movement of the rack assembly 100. In addition, the guide rail 800 may be installed on the inner wall 14 of the tub 12 in place of the upper guide rack 13a and the lower guide rack 13b to guide the movement of the plurality of baskets 51 and 52. have. Detailed description of the guide rail 800 will be described later.

The dishwasher 1 may further include a sump 20 for collecting and storing the washing water. The sump 20 may be provided with a washing pump 21 for pumping the stored water to the injection units 41, 42, 43. The washing water pumped by the washing pump 21 is supplied to the first spraying unit 41 and the second spraying unit 42 to be described later through the first supply pipe 31, or described later through the second supply pipe 32. It may be supplied to the third spray unit 43.

The dishwasher 1 may further include a heater 15 disposed below the tub 12 to heat the washing water, and a drain pump 22 disposed below the tub 12 to drain the washing water.

The dishwasher 1 may further include spraying units 41, 42, 43 provided to spray washing water. The injection units 41, 42, 43 are provided in the height direction H of the dishwasher 1, and the first spray unit 41 and the height direction of the dishwasher 1 are disposed above the upper basket 51. (H) the second spray unit 42 disposed between the upper basket 51 and the lower basket 52 and the lower basket 52 disposed in the height direction H of the dishwasher 1 It may include a third spray unit 43. In detail, the first spray unit 41 may be disposed above the rack assembly 100 in the height direction H of the dishwasher 1.

The first injection unit 41 may be provided to be rotatable about the rotation shaft 41a, and the second injection unit 42 may be provided to be rotatable about the rotation shaft 42a.

The first spray unit 41 may spray the washing water toward the dishes stored in the rack assembly 100 and the upper basket 51, and the second spray unit 42 may have the upper basket 51 and the lower basket 52. The washing water may be sprayed toward the dishes stored in the).

The third spray unit 43 may be provided to be fixed to one side of the tub 12, unlike the first spray unit 41 and the second spray unit 42. The third spraying unit 43 sprays the washing water in a substantially horizontal direction, and thus, the washing water sprayed from the third spraying unit 43 may not directly face the dishware.

The third spray unit 43 may include a nozzle 44 through which the washing water is sprayed. The nozzles 44 may be arranged in a line so as to be spaced apart from each other by a predetermined interval from one side to the opposite side of the tub 12.

The washing water sprayed in the substantially horizontal direction from the nozzle 44 of the third spraying unit 43 is changed in direction by the switching assembly 60 disposed inside the tub 12 and is stored in the lower basket 52. You can move towards. The switching assembly 60 is constrained to the guide rail 62 by the holder 64 and may be provided to be movable along the guide rail 62.

3 is a perspective view illustrating a rack assembly according to a first embodiment in a dishwasher according to an embodiment of the present invention.

As shown in FIG. 3, the rack assembly 100 may have a substantially rectangular shape. However, the shape of the rack assembly 100 is not limited to the above examples can be variously changed.

The rack assembly 100 may include a frame 110 forming an appearance of the rack assembly 100.

The frame 110 may include a loading unit in which dishes are placed. The loading unit may include a fixed plate 111 and a lifting plate 112 provided to be liftable. The elevating plate 112 may be provided to enable height adjustment. The elevating plate 112 may be disposed at the center of the frame 110 to be elevated. The tableware may be placed over the fixing plate 111 and the elevating plate 112.

The frame 110 may further include a wall 113 disposed along the circumference of the loading portion. The wall 113 of the frame 110 includes a first wall 113a facing the opening 12a of the tub 12, a second wall 113b facing the first wall 113a, and a first wall 113. It may include a third wall 113c and a fourth wall 113d connecting the wall 113a and the second wall 113b. As an example, the first wall 113a of the frame 110 may face the front of the tub 12, and the second wall 113b of the frame 110 may face the rear wall of the tub 12. The third wall 113c and the fourth wall 113d of the frame 110 may face the right side wall and the left side wall of the tub 12, respectively.

The rack assembly 100 may further include an operation member (not shown) provided to adjust the height of the elevating plate 112, and an elevating induction member 120 provided to connect the operation member and the elevating plate 112. have. The elevating induction member 120 may be provided to be rotatable. The elevating induction member 120 may have a steel material so as to give rigidity to the frame 110 to prevent deformation of the frame 110. As an example, the elevating induction member 120 may include a shaft. The elevating plate 112 may move in conjunction with the elevating induction member 120.

The dishwasher 1 may further include at least one roller 130 or 140 provided to allow the rack assembly 100 to move along the guide rail 800. At least one roller (130, 140) may be installed on the frame 110 to be rotatable along the guide rail (800). At least one roller 130 or 140 may be provided in the rack assembly 100 to movably couple the rack assembly 100 to the guide rail 800.

The wall 113 of the rack assembly 100 may be provided with a roller mounting portion 150 to accommodate at least one roller (130,140). The roller mounting unit 150 may be integrally formed with the frame 110 such that at least one roller 130 or 140 is mounted therein. Specifically, the roller mounting portion 150 may be injection molded integrally with the fixing plate 111 and the wall 113 so that at least one roller 130, 140 is mounted therein. The roller mounting portion 150 may protrude from the wall 113 of the frame 110. In detail, the roller mounting unit 150 may protrude from the third wall 113c and the fourth wall 113d of the frame 110 facing the right and left walls of the tub 12.

At least one roller (130, 140) may rotate about a roller rotation axis (not shown). That is, the at least one roller 130, 140 may be accommodated in the roller mounting portion 150 to rotate about the roller rotation axis. The roller rotation shaft may extend in the left and right directions Y of the dishwasher 1.

The dishwasher 1 may further include a first support holder 190 extending from the rack assembly 100 to be supported by at least one of the guide rail 800 and the inner wall 14 of the tub 12. That is, the first support holder 190 may extend from the wall 113 of the frame 110 facing the inner wall 14 of the tub 12. In other words, the first support holder 190 may extend from the wall 113 of the frame 110 facing the guide rail 800. The first support holder 190 may be located in front of the second support holder 180 to be described later.

The rack assembly 100 may include a front portion 101 facing the opening 12a and a rear portion 102. In other words, the rack assembly 100 may include a front portion 101 facing the front of the dishwasher 1 and a rear portion 102 facing the rear of the dishwasher 1.

The front portion 101 and the rear portion 102 of the rack assembly 100 will be described with reference to the wall 113 of the rack assembly 100 as follows. The wall 113 of the rack assembly 100 may include a front portion 101 facing the opening 12a and a rear portion 102 positioned opposite the front portion 101. The front portion 101 and the rear portion 102 of the wall 113 may be defined with reference to the center of the wall 113 of the rack assembly 100 extending in the front-rear direction X of the dishwasher 1. . That is, the width of each of the front portion 101 and the rear portion 102 may be the same in the front-rear direction X of the dishwasher 1.

The first support holder 190 may be provided at the front portion 101 of the rack assembly 100, and at least one roller 130, 140 may be provided at the rear portion 102 of the rack assembly 100. A second support holder 180 to be described later may also be provided at the rear portion 102 of the rack assembly 100. The first support holder 190 may be provided on the same wall 113 as the wall 113 of the frame 110 in which the at least one roller 130, 140 is installed. As an example, when the at least one roller 130, 140 is installed on the third wall 113c of the frame 110 facing the right wall of the tub 12, the first support holder 190 is also the frame 110. May be provided on the third wall 113c.

The first support holder 190 and the at least one rollers 130 and 140 may be spaced apart from each other.

The rack assembly 100 may have a plastic material. Specifically, the frame 110 forming the appearance of the rack assembly 100 may have a plastic material. More specifically, the loading portion and the wall 113 of the rack assembly 100 may have a plastic material. In another aspect, the frame 110 forming the appearance of the rack assembly 100 may be injection molded. Specifically, the loading portion and wall 113 of frame 110 may be integrally injection molded. More specifically, the fixing plate 111 and the wall 113 may be injection molded integrally. The roller mount 150 may also be injection molded integrally with the fixing plate 111 and the wall 113 of the frame 110.

The first support holder 190 may be injection molded integrally with the fixing plate 111, the wall 113, and the roller mounting portion 150. However, it is sufficient if the first support holder 190 is provided on the wall 113 of the frame 110 facing the inner wall 14 of the tub 12, and the method of forming the first support holder 190 is described above. It is not limited to the example. As an example, the first support holder 190 may be provided in a separate configuration from the frame 110 and coupled to the wall 113 of the frame 110 facing the inner wall 14 of the tub 12.

Preferably, the first support holder 190 may have the same material as the frame 110. However, the material of the first support holder 190 is not limited to the above examples and can be variously changed. That is, the first support holder 190 may be formed of a material different from that of the frame 110.

Since the rack assembly 100 of the present invention uses a frame 110 formed of only plastic instead of using a metal wire frame, it is possible to implement a rack assembly that is relatively light and inexpensive to manufacture. In addition, since the rack assembly 100 of the present invention can be manufactured integrally by injection molding the frame 110 forming the appearance, the conventional process of coupling the storage container to the metal wire frame can be omitted. Therefore, the manufacturing process of the rack assembly 100 of the present invention can be simple and simple compared to the manufacturing process of the conventional rack assembly.

The rack assembly 100 may further include stoppers 160 and 170 provided to limit the withdrawal of the rack assembly 100. The stoppers 160 and 170 may be formed on the wall 113 of the frame 110 facing the inner wall 14 of the tub 12. The stoppers 160 and 170 may be integrally formed with the wall 113 of the frame 110. The stoppers 160 and 170 may be positioned between the first support holder 190 and the at least one roller 130 or 140. The stoppers 160 and 170 may prevent the rack assembly 100 from being excessively drawn out of the tub 12 through the interference with the guide rails 800. Specifically, the stoppers 160 and 170 may prevent the rack assembly 100 from being excessively drawn out of the tub 12 through interference with the first rail holder 820 (see FIG. 5) of the guide rail 800. .

The stoppers 160 and 170 may protrude from the wall 113 of the frame 110 facing the inner wall 14 of the tub 12 toward the inner wall 14 of the tub 12.

The stoppers 160 and 170 may include a first stopper 160 protruding from the wall 113 of the frame 110 to be positioned below the guide rail 800.

The stoppers 160 and 170 may further include a second stopper 170 that extends along the wall 113 of the frame 110 in the height direction H of the dishwasher 1.

The first stopper 160 and the second stopper 170 may be formed adjacent to each other. The first stopper 160 may be located below the second stopper 170.

Preferably, the rack assembly 100 may include at least one of the first stopper 160 and the second stopper 170.

The rack assembly 100 may further include a second support holder 180 provided to be supported by the guide rail 800. The rear portion 102 of the rack assembly 100 may be supported on the guide rail 800 by at least one roller 130, 140 and the second support holder 180. The second support holder 180 may be formed on the wall 113 of the frame 110 facing the inner wall 14 of the tub 12. The second support holder 180 may be integrally formed with the wall 113 of the frame 110. The second support holder 180 may extend from the wall 113 of the frame 110 to be supported on the top of the guide rail 800. In other words, the second support holder 180 may extend from the wall 113 of the frame 110 to be supported on the top of the guide rail 800.

4A and 4B are views illustrating a case in which the support holder is not installed in the rack assembly according to the first embodiment and the case in which the support holder is installed in the dishwasher according to the embodiment of the present invention, respectively. "D" in Figures 4A and 4B refers to the tableware. 4A and 4B show a spoon as an example of tableware.

As shown in FIG. 4A, when the first support holder 190 is not installed in the rack assembly 100, the rack assembly 100 is stored in the rack assembly 100 and the load of the rack assembly 100 itself. It may be bent or sag in the direction of gravity by the load of the dishes D. In particular, the deformation of the front portion 101 of the rack assembly 100 may be more severe. This means that the rear portion 102 of the rack assembly 100 may be supported on the guide rail 800 by at least one roller 130, 140 to the second support holder 180, but the front portion of the rack assembly 100. This is because no separate support structure is applied to 101.

As shown in FIG. 4B, when the first support holder 190 is installed in the rack assembly 100, the deformation of the rack assembly 100, in particular, the deformation of the front portion 101 of the rack assembly 100 may be Can be effectively prevented. This means that the front portion 101 of the rack assembly 100 is supported by at least one of the guide rail 800 and the inner wall 14 of the tub 12 by the first support holder 190, and the rack assembly 100. This is because the rear portion 102 of the) may be supported by the guide rail 800 by at least one roller (130,140) to the second support holder 180. As such, by simultaneously supporting the front portion 101 and the rear portion 102 of the rack assembly 100, the stress concentrated at any part of the rack assembly 100 is distributed to the entire rack assembly 100 so that the rack assembly ( The deformation of 100) can be effectively prevented.

In another aspect, when the first support holder 190 is installed in the rack assembly 100, the rack assembly 100 may include the first roller 130, the second roller 140, and the first support holder 190. It can be supported by at least one of the guide rail 800 and the inner wall 14 of the tub 12 at three points. As such, when the rack assembly 100 is supported at three points by the first roller 130, the second roller 140, and the first support holder 190, the rack assembly 100 may be guide rails 800. And it can be stably supported on at least one of the inner wall 14 of the tub 12. In particular, the front portion 101 of the rack assembly 100 is supported by a first support holder 190, and the rear portion 102 of the rack assembly 100 faces the first roller 130 and the second facing each other. It can be supported by the roller 140, it can effectively prevent the front portion 101 of the rack assembly 100 is deformed as shown in Figure 4a.

The rack assembly 100 is guide rail 800 and tub 12 at four points by the first roller 130, the second roller 140, the first support holder 190 and the second support holder 180. It may be supported on at least one of the inner wall 14 of the.

The number of points at which the rack assembly 100 is supported is not limited to the above examples and can be variously changed.

5 is a perspective view illustrating a rack assembly according to a first embodiment before being withdrawn from a tub in a dishwasher according to an embodiment of the present invention, and FIG. 6 is a dishwasher according to an embodiment of the present invention. 3 is a perspective view showing a rack assembly according to the first embodiment withdrawn from a tub.

As shown in FIGS. 5 and 6, the rack assembly 100 may slidably move along the guide rail 800. That is, the rack assembly 100 may be drawn out from the tub 12 along the guide rail 800 or drawn into the tub 12.

As shown in FIG. 5, the rack assembly 100 may be located inside the tub 12 while being supported by the guide rail 800. The front portion 101 of the rack assembly 100 may be supported on the guide rail 800 by the first support holder 190. The rear portion 102 of the rack assembly 100 may be supported on the guide rail 800 by at least one roller 130, 140 and the second support holder 180.

The first support holder 190 may extend from the wall 113 of the frame 110 to be supported on the top of the guide rail 800. In other words, the first support holder 190 may extend from the wall 113 of the frame 110 to be hung on or cover the top of the guide rail 800.

The first support holder 190 may be formed at the upper end of the wall 113 of the frame 110.

The guide rail 800 may include a rail body 810. The rail body 810 may be fixed to the inner wall 14 of the tub 12. In detail, the rail body 810 may be fixed to the inner wall 14 of the tub 12 by the coupling member 1100 (see FIG. 9) through the mounting member 1000. The coupling member 1100 may include a screw. The rail body 810 may include a first end facing the opening 12a and a second end positioned opposite to the first end. In other words, the first end of the rail body 810 may face the front of the dishwasher 1, and the second end of the rail body 810 may face the rear of the dishwasher 1.

The guide rail 800 may include rail holders 820 and 830 coupled to the rail body 810. The rail holders 820 and 830 may include a first rail holder 820 coupled to the first end of the rail body 810 and a second rail holder 830 coupled to the second end of the rail body 810. have.

The first rail holder 820 and the second rail holder 830 may extend in different directions. In detail, the first rail holder 820 may extend downward to avoid interference with the first support holder 190, and the second rail holder 830 may extend upward. In other words, the first rail holder 820 is bent downward to prevent the movement of the rack assembly 100 from being restricted by interference with the first support holder 190, and the second rail holder 830 is upward. It can be bent toward. However, the extending or bending directions of the first rail holder 820 and the second rail holder 830 are not limited to the above examples. That is, the first rail holder 820 and the second rail holder 830 may extend or bend in the same direction.

As shown in FIG. 6, the withdrawal of the rack assembly 100 may be limited by interference of the first rail holder 820 and the stoppers 160 and 170. That is, the rack assembly 100 may be withdrawn from the tub 12 until there is interference between the first rail holder 820 and the stoppers 160 and 170.

When the rack assembly 100 is withdrawn from the tub 12, the front portion 101 of the rack assembly 100 may be in a free state. That is, when the rack assembly 100 is withdrawn from the tub 12, the coupling between the first support holder 190 and the guide rail 800 is released, as a result, the front portion 101 of the rack assembly 100 May be in a free state not supported by the guide rail 800. When the rack assembly 100 is withdrawn from the tub 12, the rear portion 102 of the rack assembly 100 is connected to the guide rail 800 by at least one roller 130, 140 and the second support holder 180. Can be supported.

As illustrated in FIGS. 5 and 6, the at least one roller 130 or 140 may include a first roller 130 and a second roller 140 facing each other with the guide rail 800 interposed therebetween. The first roller 130 may be positioned above the guide rail 800 to rotate along the upper surface of the guide rail 800, and the second roller 140 may be guided to rotate along the lower surface of the guide rail 800. It may be located below the rail 800. The first roller 130 may be located in front of the second roller 140 in the front-rear direction X of the dishwasher 1.

The first support holder 190 may be positioned on the same side as any one of the first roller 130 and the second roller 140 with respect to the guide rail 800. Specifically, the first support holder 190 may be positioned on the same side as the first roller 130 with respect to the guide rail 800 so as to be supported on the top of the guide rail 800. That is, the first support holder 190 and the first roller 130 may be located above the guide rail 800.

7 is a view illustrating a relationship between a rack assembly and a guide rail when a rack assembly according to a first embodiment is inside a tub in a dishwasher according to an embodiment of the present invention, and FIG. 8 is an embodiment of the present invention. In the dishwasher according to the example, it is a bottom perspective view showing the rack assembly according to the first embodiment to the inner structure of the support holder of the rack assembly according to the first embodiment.

As shown in FIGS. 7 and 8, the first rail holder 820 may include an upper surface 821 facing upward of the dishwasher 1. An inclination may be formed on the upper surface 821 of the first rail holder 820 to guide the movement of the rack assembly 100. The upper surface 821 of the first rail holder 820 may be inclined upward as the distance from the opening 12a is increased. In other words, the upper surface 821 of the first rail holder 820 may be inclined upward toward the rear of the dishwasher 1. Through the inclined structure of the first rail holder 820, the rack assembly 100 can be easily drawn in or out along the guide rail 800.

The first rail holder 820 may further include a hook portion 822. The hook part 822 may interfere with the first stopper 160 to limit the withdrawal of the rack assembly 100. The second stopper 170 may limit the withdrawal of the rack assembly 100 by interfering with an inner surface (not shown) of the first rail holder 820 facing the wall 113 of the frame 110.

The first support holder 190 may have a shape corresponding to the first rail holder 820. In detail, the first support holder 190 may have a shape corresponding to the top surface 821 of the first rail holder 820.

The first support holder 190 may include a support holder body 191 forming an appearance. The support holder body 191 may extend from the wall 113 of the frame 110 toward the inner wall 14 of the tub 12. The support holder body 191 may include a first wall 191a facing the opening 12a and a second wall 191b facing the first wall 191a. The second wall 191b may have a height lower than that of the first wall 191a in the height direction H of the dishwasher 1. That is, the height h1 of the first wall 191a may be higher than the height h2 of the second wall 191b in the height direction H of the dishwasher 1.

The support holder body 191 may further include a third wall 191c facing upward of the dishwasher 1 and connecting the first wall 191a and the second wall 191b. The third wall 191c may be positioned above the guide rail 800 to cover the upper portion of the guide rail 800.

The support holder body 191 is connected to the first wall 191a, the second wall 191b, and the third wall 191c, and forms a fourth wall 191d bent downward from the third wall 191c. It may further include. The fourth wall 191d of the support holder body 191 may face the inner wall 14 of the tub 12.

The first support holder 190 may further include at least one protruding rib 192 and 193 formed in the support holder body 191. At least one protruding rib 192, 193 may extend downwardly from third wall 191c of support holder body 191. The at least one protruding rib 192, 193 is lower than the first wall 191a of the support holder body 191 in the height direction H of the dishwasher 1, and the second wall 191b of the support holder body 191. It can have a height higher than). As an example, when the at least one protruding ribs 192 and 193 include a first protruding rib 192 adjacent to the first wall 191a and a second protruding rib 193 adjacent to the second wall 191b, The height h1 'of the first protruding rib 192 may be lower than the height h1 of the first wall 191a and higher than the height h2' of the second protruding rib 193. The height h2 'of the second protrusion rib 193 may be higher than the height h2 of the second wall 191b and lower than the height h1' of the first protrusion rib 192.

The height of the first wall 191a, the at least one protruding ribs 192 and 193 and the second wall 191b may be gradually lowered toward the rear of the dishwasher 1.

For reference, the heights of the first wall 191a, the second wall 191b, and the at least one protruding rib 192, 193 are the first wall 191a, the second wall 191b, and the at least one protruding rib 192, 193. In this case, it may be defined as the distance between the portion supported on the guide rail 800 and the third wall 191c. In another aspect, the heights of the first wall 191a, the second wall 191b, and the at least one protruding rib 192 and 193 are based on the third wall 191c and the first wall 191a and the second wall. 191b and the lowest height of at least one protruding rib 192 and 193.

As shown in FIG. 7, when the rack assembly 100 is positioned inside the tub 12, the rack assembly 100 is provided with a rail body 810 of the guide rail 800 by the first support holder 190. Can be supported). In this case, the first wall 191a of the first support holder 190 may be supported by being in direct contact with the rail body 810. In detail, the first wall 191a of the first support holder 190 may be supported by being in direct contact with the upper surface of the rail body 810.

FIG. 9 is a cross-sectional view illustrating a support holder of the rack assembly according to the first embodiment mounted on a guide rail in the dish washing machine according to the embodiment of the present invention.

As shown in FIG. 9, the rack assembly 100 may be supported by the guide rail 800 by the first support holder 190 when positioned inside the tub 12. In detail, when the rack assembly 100 is positioned inside the tub 12, the rack assembly 100 may be supported by the rail body 810 of the guide rail 800 by the first support holder 190.

When the front portion 101 of the rack assembly 100 is supported to the guide rail 800 by the first support holder 190, the third wall 191c of the support holder body 191 is the guide rail 800. And a fourth wall 191d of the support holder body 191 is bent from the third wall 191c to surround the guide rail 800 so that the guide rail 800 and the tub 12 It may be located between the inner wall (14).

When the front portion 101 of the rack assembly 100 is supported to the guide rail 800 by the first support holder 190, the third wall 191c of the support holder body 191 is the guide rail 800. Can be spaced from. The front portion 101 of the rack assembly 100 may be supported on the guide rail 800 by the first wall 191a of the support holder body 191. Specifically, the front portion 101 of the rack assembly 100, the groove 191aa (see Fig. 8) formed in the first wall 191a of the support holder body 191 is fitted to the guide rail 800 by The guide rail 800 may be supported. However, the supporting method of the front portion 101 of the rack assembly 100 is not limited to the above example. As an example, the front portion 101 of the rack assembly 100 is connected to the guide rail 800 by at least one of the first wall 191a, the second wall 191b, and the at least one protruding rib 192, 193. Can be supported.

FIG. 10 is a cross-sectional view illustrating a support holder of a rack assembly according to a second embodiment mounted on an inner wall of a tub in a dish washing machine according to an embodiment of the present invention. Hereinafter, a description overlapping with a description of the first support holder 190 of the rack assembly according to the first embodiment will be omitted.

As shown in FIG. 10, the rack assembly 200 may be supported on the inner wall 14 of the tub 12 by a support holder 290. In other words, the front portion 101 of the rack assembly 200 may be supported on the inner wall 14 of the tub 12 by the support holder 290.

The inner wall 14 of the tub 12 may be formed with a support 80 extending toward the inside of the tub 12 so that the support holder 290 is supported. As an example, the support 80 may have a protrusion shape protruding toward the inside of the tub 12. However, the support 80 is sufficient if the support holder 290 can be supported, the shape can be variously changed.

The support holder 290 extends from the wall 113 of the frame 110 facing the inner wall 14 of the tub 12 to cover the top of the guide rail 800 to the support 80 of the tub 12. Can be supported.

When the front portion 101 of the rack assembly 200 is supported by the support portion 80 of the tub 12 by the support holder 290, the third wall 191c of the support holder body 191 may be a guide rail ( And a fourth wall 191d of the support holder body 191 may be bent from the third wall 191c to surround the guide rail 800 to support the support portion 80 of the tub 12. Can be supported on. In other words, the fourth wall 191d of the support holder body 191 may be seated on the upper surface of the support 80.

When the front portion 101 of the rack assembly 200 is supported by the support portion 80 of the tub 12 by the support holder 290, the third wall 191c of the support holder body 191 may be a guide rail ( 800). The front portion 101 of the rack assembly 200 may be supported by the support portion 80 of the tub 12 by the fourth wall 191d of the support holder body 191.

FIG. 11 is a cross-sectional view illustrating a support holder of a rack assembly according to a third embodiment mounted on an inner wall of a tub in a dish washing machine according to an embodiment of the present invention. Hereinafter, a description overlapping with a description of the first support holder 190 of the rack assembly according to the first embodiment will be omitted.

As shown in FIG. 11, the rack assembly 300 may be supported on the inner wall 14 of the tub 12 by a support holder 390. In other words, the front portion 101 of the rack assembly 300 may be supported on the inner wall 14 of the tub 12 by the support holder 390.

The inner wall 14 of the tub 12 may be formed with a support 80 extending toward the inside of the tub 12 so that the support holder 390 is supported. As an example, the support 80 may have a protrusion shape protruding toward the inside of the tub 12. However, the support 80 is sufficient if the support holder 390 can be supported, the shape can be variously changed.

The support holder 390 extends from the wall 113 of the frame 110 facing the inner wall 14 of the tub 12 to cover the top of the guide rail 800 to the support 80 of the tub 12. Can be supported.

The support holder 390 of the rack assembly 300 according to the third embodiment may have a different structure from the first support holder 190 of the rack assembly 100 according to the first embodiment. Specifically, the support holder body 191 of the support holder 390 of the rack assembly 300 according to the third embodiment does not include the fourth wall 119d.

The third wall 191c of the support holder body 191 of the support holder 390 may extend long from the wall 113 of the frame 110 toward the inner wall 14 of the tub 12. The third wall 191c of the support holder body 191 extends from the wall 113 of the frame 110 facing the inner wall 14 of the tub 12 so as to cover the upper portion of the guide rail 800 so that the tub ( 12 may be supported by the support 80. The third wall 191c of the support holder body 191 may be linear.

When the front portion 101 of the rack assembly 300 is supported by the support portion 80 of the tub 12 by the support holder 390, the third wall 191c of the support holder body 191 may be a guide rail ( 800). In addition, the third wall 191c of the support holder body 191 may be seated on an upper surface of the support 80.

As such, the front portion 101 of the rack assembly 300 may be supported by the support portion 80 of the tub 12 by the third wall 191c of the support holder body 191.

12 is a cross-sectional view illustrating a support holder of a rack assembly according to a fourth embodiment mounted on an inner wall of a guide rail and a tub in a dish washing machine according to an embodiment of the present invention. Hereinafter, a description overlapping with a description of the first support holder 190 of the rack assembly 100 according to the first embodiment will be omitted.

As shown in FIG. 12, the rack assembly 400 may be supported on the guide rail 800 and the inner wall 14 of the tub 12 by the support holder 490. In other words, the front portion 101 of the rack assembly 400 may be supported on the guide rail 800 and the inner wall 14 of the tub 12 by the support holder 490.

The inner wall 14 of the tub 12 may be formed with a support 80 extending toward the inside of the tub 12 so that the support holder 490 is supported. As an example, the support 80 may have a protrusion shape protruding toward the inside of the tub 12. However, the support 80 is sufficient if the support holder 490 can be supported, the shape can be variously changed.

The support holder 490 of the rack assembly 400 according to the fourth embodiment may have a different structure from the first support holder 190 of the rack assembly 100 according to the first embodiment. Specifically, the support holder body 191 of the support holder 490 of the rack assembly 400 according to the fourth embodiment does not include the fourth wall 119d. In addition, the support holder body 191 of the support holder 490 of the rack assembly 400 according to the fourth embodiment may further include a branch wall 491 branched from the third wall 119c.

The third wall 119c of the support holder body 191 may extend long from the wall 113 of the frame 110 toward the inner wall 14 of the tub 12. The third wall 119c of the support holder body 191 extends from the wall 113 of the frame 110 facing the inner wall 14 of the tub 12 so as to cover the upper portion of the guide rail 800 so that the tub ( 12 may be supported by the support 80. The third wall 119c of the support holder body 191 may be linear.

The branch wall 491 of the support holder body 191 may branch downward from the third wall 119c. The branch wall 491 of the support holder body 191 may be mounted to the guide rail 800 to surround the top of the guide rail 800.

When the front portion 101 of the rack assembly 400 is supported by the support rail 480 and the support portion 80 of the tub 12 by the support holder 490, the third wall of the support holder body 191 ( 119c may be seated on an upper surface of the support 80 of the tub 12, and the branch wall 491 of the support holder body 191 may be seated on an upper surface of the guide rail 800.

In this way, the front portion 101 of the rack assembly 400 is supported by the support portion 80 of the tub 12 by the third wall 119c of the support holder body 191, and the support holder body 191. The guide wall 800 may be supported by the branch wall 491.

FIG. 13 is a perspective view illustrating a support holder of a rack assembly according to a fifth embodiment mounted on a guide rail in a dish washing machine according to an embodiment of the present invention, and FIG. 14 is a cross-sectional view of FIG. Hereinafter, a description overlapping with a description of the first support holder 190 of the rack assembly 100 according to the first embodiment will be omitted.

As shown in FIGS. 13 and 14, the rack assembly 500 may be supported on the guide rail 800 by a support holder 590. In other words, the front portion 101 of the rack assembly 500 may be supported on the guide rail 800 by the support holder 590.

The support holder 590 of the rack assembly 500 according to the fifth embodiment may have a different structure from the first support holder 190 of the rack assembly 100 according to the first embodiment. Hereinafter, the structure of the support holder 590 of the rack assembly 500 according to the fifth embodiment will be described.

The support holder 590 may include a support holder body 591 forming an appearance. The support holder body 591 may extend from the wall 113 of the frame 110 to face the inner wall 14 of the tub 12. The support holder body 591 supports the guide rail 800 together with the first wall 591a and the first wall 591a extending from the wall 113 of the frame 110 to be positioned above the guide rail 800. It may include a second wall (591b) provided to cover. The second wall 591b may be bent downward from the first wall 591a to cover the upper portion of the guide rail 800 together with the first wall 591a.

The support holder 590 may have a shape corresponding to the first rail holder 820. In detail, the support holder 590 may have a shape corresponding to the top surface 821 of the first rail holder 820. The first wall 591a of the support holder body 591 may include an inclined structure corresponding to the inclined structure of the first rail holder 820. Specifically, the first wall 591a of the support holder body 591 is a first portion 592 facing the opening 12a and a second portion 593 extending from the first portion 592 to be inclined upward. ) May be included. Through the inclined structure of the first rail holder 820 and the first wall 591a of the support holder body 591, the rack assembly 500 may be easily drawn in or drawn out along the guide rail 800.

The first wall 591a of the support holder body 591 may be provided with a support protrusion 595 protruding to contact the guide rail 800. The support protrusion 595 may protrude from the first wall 591a of the support holder body 591 to be in contact with the top surface of the guide rail 800. The support protrusion 595 may be integrally formed with the first wall 591a of the support holder body 591. The support protrusion 595 may be provided in a separate configuration from the first wall 591a of the support holder body 591, and may be coupled to the first wall 591a of the support holder body 591.

The support protrusion 595 may be formed on an inner surface of the first wall 591a of the support holder body 591 facing the guide rail 800. Preferably, the support protrusion 595 may be formed in the first portion 592 of the first wall 591a of the support holder body 591.

When the front portion 101 of the rack assembly 500 is supported on the guide rail 800 by the support holder 590, the support protrusion 595 may be seated on the top surface of the guide rail 800.

As such, the front portion 101 of the rack assembly 500 may be supported by the guide rail 800 by the support protrusion 595 of the support holder 590.

15 is a perspective view illustrating a support holder of a rack assembly according to a sixth embodiment mounted on a guide rail in a dish washing machine according to an embodiment of the present invention, and FIG. 16 is a cross-sectional view of FIG. 15. Hereinafter, a description overlapping with a description of the first support holder 190 of the rack assembly 100 according to the first embodiment will be omitted.

As shown in FIGS. 15 and 16, the rack assembly 600 may be supported on the guide rail 900 by a support holder 690. In other words, the front portion 101 of the rack assembly 600 may be supported on the guide rail 900 by the support holder 690.

The support holder 690 of the rack assembly 600 according to the sixth embodiment may have a different structure from the first support holder 190 of the rack assembly 100 according to the first embodiment. Hereinafter, the structure of the support holder 690 of the rack assembly 600 according to the sixth embodiment will be described.

The support holder 690 may extend from the wall 113 of the frame 110 to be supported by the guide rail 900. As an example, the support holder 690 may be formed at an edge of the frame 110 to protrude outward of the frame 110. However, the support holder 690 is sufficient if it can be supported by the guide rail 900, the position is not limited to the above example. A support holder 690 is formed on the wall 113 of the frame 110 facing the inner wall 14 of the tub 12 or on the wall 113 of the frame 110 facing the opening 12a. It is also possible.

The rack assembly 600 may be supported by the support 910 of the guide rail 900 by the support holder 690. The support 910 may be formed at one end of the guide rail 900 facing the opening 12a. In detail, the support part 910 may extend from the guide rail 900 toward the inside of the tub 12. In other words, the support 910 may extend from the guide rail 900 to face the rack assembly 600. More specifically, the support part 910 may be formed in the first rail holder 820 to support the support holder 690.

The support part 910 may be integrally formed with the first rail holder 820. The support 910 may be provided in a separate configuration from the first rail holder 820 and may be coupled to the first rail holder 820.

When the front portion 101 of the rack assembly 600 is supported on the guide rail 900 by the support holder 690, the support holder 690 may be seated on the upper surface of the support 910.

As such, the front portion 101 of the rack assembly 600 may be supported by the support portion 910 of the guide rail 900 by the support holder 690.

17 is a perspective view illustrating a rack assembly according to a seventh embodiment in a dishwasher according to an embodiment of the present invention. Hereinafter, a description overlapping with the rack assembly 100 according to the first embodiment will be omitted.

As shown in FIG. 17, the rack assembly 2000 may have a substantially rectangular shape. However, the shape of the rack assembly 2000 is not limited to the above examples can be variously changed.

The rack assembly 2000 may include a frame 110 forming an appearance of the rack assembly 2000.

The frame 110 may include a loading unit in which dishes are placed. The loading unit may include a fixed plate 111 and a lifting plate 112 provided to be liftable.

The frame 110 may further include a wall 113 disposed along the circumference of the loading portion. The wall 113 of the frame 110 includes a first wall 113a facing the opening 12a of the tub 12, a second wall 113b facing the first wall 113a, and a first wall 113. It may include a third wall 113c and a fourth wall 113d connecting the wall 113a and the second wall 113b. As an example, the first wall 113a of the frame 110 may face the front of the tub 12, and the second wall 113b of the frame 110 may face the rear wall of the tub 12. The third wall 113c and the fourth wall 113d of the frame 110 may face the right side wall and the left side wall of the tub 12, respectively.

The rack assembly 2000 may further include an operation member (not shown) provided to adjust the height of the elevating plate 112, and an elevating induction member 120 provided to connect the operation member and the elevating plate 112. have.

The dishwasher 1 may further include at least one roller 130 or 140 provided such that the rack assembly 2000 is movable along the guide rail 800. At least one roller (130, 140) may be installed on the frame 110 to be rotatable along the guide rail (800). At least one roller 130 or 140 may be provided in the rack assembly 2000 to movably couple the rack assembly 2000 to the guide rail 800.

The wall 113 of the rack assembly 2000 may be provided with a roller mounting portion 150 to accommodate at least one roller (130, 140).

The dishwasher 1 may further include a first support holder 2090 extending from the rack assembly 2000 to be supported by at least one of the guide rail 800 and the inner wall 14 of the tub 12. Preferably, the first support holder 2090 may extend from the rack assembly 2000 to be supported by the guide rail 800. That is, the first support holder 2090 may extend from the wall 113 of the frame 110 facing the inner wall 14 of the tub 12. In other words, the first support holder 2090 may extend from the wall 113 of the frame 110 facing the guide rail 800. The first support holder 2090 may be located in front of the second support holder 180.

The first support holder 2090 may be located above the guide rail 800. Specifically, the first support holder 2090 may be positioned above the guide rail 800 so as to be spaced apart from the guide rail 800 when the tableware is not stored in the loading portion of the rack assembly 2000. Can be.

The first support holder 2090 may include a guide rail 800 and a tub 12 when a load is applied to the rack assembly 2000. In other words, when the tableware is stored in the loading part of the rack assembly 2000. It may be provided to be supported on at least one of the inner wall (14).

The first support holder 2090 may be formed at a position corresponding to approximately half of the height of the wall 113 of the frame 110 facing the guide rail 800. Specifically, when the height of the wall 113 of the frame 110 facing the guide rail 800 and extending in the height direction H of the dishwasher 1 is defined as "h", the first support holder 2090 may be formed at a position corresponding to approximately 1 / 2h of the height of the wall 113 of the frame 110. In another aspect, when defining the height of the wall 113 of the frame 110 facing the guide rail 800, and extending in the height direction H of the dishwasher 1 as "h", The wall 113 of 110 may include an upper portion positioned upward and a lower portion positioned downward based on a position corresponding to half of the height of the wall 113 of the frame 110. Preferably, the first support holder 2090 is frame 110 facing the guide rail 800 to be adjacent to the boundary of the upper and lower portions of the wall 113 of the frame 110 facing the guide rail 800. It can be formed on the wall 113 of the). However, it is sufficient that the first support holder 2090 is formed to be supported on at least one of the guide rail 800 and the inner wall 14 of the tub 12, and the formation position of the first support holder 2090 is limited to the above example. It doesn't happen. As an example, the first support holder 2090 is a wall 113 of the frame 110 facing the guide rail 800, such as the first support holder 190 of the rack assembly 100 according to the first embodiment. It may be formed above the wall 113 of the frame 110 facing the guide rail 800 to be adjacent to the upper end of the.

The rack assembly 2000 may further include a stopper 2100 provided to limit the withdrawal of the rack assembly 2000. The stopper 2100 may be formed on the wall 113 of the frame 110 facing the inner wall 14 of the tub 12. The stopper 2100 may be integrally formed with the wall 113 of the frame 110. The stopper 2100 may prevent the rack assembly 2000 from being excessively drawn out of the tub 12 through interference with the guide rail 800. In detail, the stopper 2100 may prevent the rack assembly 2000 from being excessively drawn out of the tub 12 through interference with the first rail holder 820 of the guide rail 800.

The stopper 2100 may protrude from the wall 113 of the frame 110 facing the inner wall 14 of the tub 12 toward the inner wall 14 of the tub 12. The stopper 2100 may protrude from the wall 113 of the frame 110 to be positioned below the guide rail 800. The stopper 2100 may be integrally formed with the wall 113 of the frame 110.

The stopper 2100 may include a first end 2111 facing the front of the tub 12 and a second end 2112 facing the rear of the tub 12. The first end 2111 and the second end 2112 may be positioned to have different heights in the height direction H of the dishwasher 1. In detail, the first end 2111 may be positioned above the second end 2112 in the height direction H of the dishwasher 1.

The first end 2111 and the second end 2112 of the stopper 2100 may have different widths in the left and right directions Y of the dishwasher 1. In detail, the width w1 of the first end 2111 of the stopper 2100 may be wider than the width w2 of the second end 2112.

The stopper 2100 may further include a connection portion 2113 connecting the first end portion 2111 and the second end portion 2112. The connection part 2113 may be provided to face the inner wall 14 of the tub 12. In the process of coupling the rack assembly 2000 to the guide rail 800, the connection part 2113 of the stopper 2100 may contact the first rail holder 820 of the guide rail 800. Specifically, in the process of coupling the rack assembly 2000 to the guide rail 800, the connection portion 2113 of the stopper 2100 is the first rail holder 820 of the guide rail 800 facing the rack assembly 2000 Contact with one side of the

The rack assembly 2000 may further include a second support holder 180 provided to be supported by the guide rail 800.

The rack assembly 2000 may further include a departure preventing rib 2001 provided to prevent the rack assembly 2000 from being separated from the guide rail 800. The rack assembly 2000 may be separated from the guide rail 800 by shaking in the process of moving along the guide rail 800. The departure preventing rib 2001 may prevent the rack assembly 2000 from being separated from the guide rail 800 through interference with the guide rail 800. The departure preventing rib 2001 may be formed on the wall 113 of the frame 110 facing the inner wall 14 of the tub 12. The departure preventing rib 2001 may be integrally formed with the wall 113 of the frame 110. The departure preventing rib 2001 may protrude from the wall 113 of the frame 110 facing the inner wall 14 of the tub 12 toward the inner wall 14 of the tub 12. The departure preventing rib 2001 may protrude from the wall 113 of the frame 110 to be positioned below the guide rail 800. The departure prevention ribs 2001 may be located behind the stopper 2100. In another aspect, the departure preventing rib 2001 may be located between the first roller 130 and the second roller 140.

18A to 18D illustrate a process in which a rack assembly according to a seventh embodiment is coupled to a guide rail in a dishwasher according to an embodiment of the present invention.

As shown in FIGS. 18A-18D, the rack assembly 2000 may be movably coupled to the guide rail 800.

The guide rail 800 may have a shape in which a part of the surface facing the inner wall 14 of the tub 12 is open. As an example, the guide rail 800 may have a C-shaped cross section in which a part of the surface facing the inner wall 14 of the tub 12 is open. The guide rail 800 having such a shape may have a strong bending strength while having a weak twisting strength. Therefore, the guide rail 800 may not be easily bent, but may be easily twisted based on the imaginary line extending in the longitudinal direction of the guide rail 800. The guide rail 800 may be elastically deformed. Accordingly, the guide rail 800 is distorted in the process of coupling the rack assembly 2000 to the guide rail 800, and then returned to its original state when the rack assembly 2000 is completely coupled to the guide rail 800. Can be.

Hereinafter, the coupling process of the rack assembly 2000 and the guide rail 800 will be described in detail.

As shown in FIG. 18A, the rack assembly 2000 may be coupled to the guide rail 800 such that the guide rail 800 is positioned between the second support holder 180 and the second roller 140. The rack assembly 2000 may be pushed toward the rear wall of the tub 12 with the rear portion 102 of the rack assembly 2000 coupled to the guide rail 800. As the rack assembly 2000 moves toward the rear wall of the tub 12, the stopper 2100 of the rack assembly 2000 may approach the first rail holder 820 of the guide rail 800.

As shown in FIGS. 18B and 18C, the guide rail 800 may be twisted to be resilient by the stopper 2100 of the rack assembly 2000. The connecting portion 2113 of the stopper 2100 is connected to the guide rail 800 until the stopper 2100 is positioned behind the first rail holder 820 past the first rail holder 820 of the guide rail 800. In contact with the first rail holder 820. The degree of warpage of the guide rail 800 may be greater at the first end 2111 of the stopper 2100 than at the second end 2112 of the stopper 2100.

As shown in FIG. 18D, when the stopper 2100 of the rack assembly 2000 is positioned behind the first rail holder 820 past the first rail holder 820 of the guide rail 800, the stopper 2100. ) And the first rail holder 820 of the guide rail 800 may be restored to its original state as contact or interference between the first rail holder and the first rail holder 820 is eliminated. When the rack assembly 2000 is fully coupled to the guide rail 800, the stopper 2100 may be positioned below the rail body 810 so as to be spaced apart from the rail body 810 of the guide rail 800. In addition, when the rack assembly 2000 is fully coupled to the guide rail 800, the first support holder 2090 of the rack assembly 2000 may be positioned above the guide rail 800 so as to be spaced apart from the guide rail 800. Can be.

FIG. 19 is a perspective view illustrating a rack assembly according to a seventh embodiment before being withdrawn from a tub in a dishwasher according to an embodiment of the present invention, and FIG. 20 is a dishwasher according to an embodiment of the present invention. A perspective view showing a rack assembly according to a seventh embodiment withdrawn from a tub. "D" in FIGS. 19 and 20 refers to a tableware. 19 and 20 illustrate spoons as an example of tableware.

As illustrated in FIGS. 19 and 20, the rack assembly 2000 may slidably move along the guide rail 800. That is, the rack assembly 2000 may be drawn out from the tub 12 along the guide rail 800 or may be drawn into the tub 12.

As shown in FIG. 19, the rack assembly 2000 may be positioned inside the tub 12 while being supported by the guide rail 800. The front portion 101 of the rack assembly 2000 may be supported by the guide rail 800 by the first support holder 2090. The rear portion 102 of the rack assembly 2000 may be supported on the guide rail 800 by at least one roller 130, 140 and the second support holder 180.

The first support holder 2090 may extend from the wall 113 of the frame 110 to be supported on the top of the guide rail 800 when the tableware is accommodated in the rack assembly 2000. In other words, the first support holder 2090 may extend from the wall 113 of the frame 110 so as to be caught or covered by the top of the guide rail 800 when the tableware is accommodated in the rack assembly 2000.

As shown in FIG. 20, the withdrawal of the rack assembly 2000 may be limited by interference of the first rail holder 820 and the stopper 2100. That is, the rack assembly 2000 may be withdrawn from the tub 12 until there is interference between the first rail holder 820 and the stopper 2100.

When the rack assembly 2000 is withdrawn from the tub 12, the front portion 101 of the rack assembly 2000 may be in a free state. That is, when the rack assembly 2000 is withdrawn from the tub 12, the coupling between the first support holder 2090 and the guide rail 800 is released, and as a result, the front portion 101 of the rack assembly 2000. May be in a free state not supported by the guide rail 800. When the rack assembly 2000 is withdrawn from the tub 12, the rear portion 102 of the rack assembly 2000 is connected to the guide rail 800 by at least one roller 130, 140 and the second support holder 180. Can be supported.

In the above, the rack assembly (100,200,300,400,500,600,2000) has been described as an example of the storage container, but the various supporting structures described above can be applied to the plurality of baskets (51, 52) as well as the rack assembly (100,200,300,400,500,600,2000).

The storage container of the present invention can be applied not only to the dishwasher 1 shown in FIGS. 1 and 2 but also to various types of dishwashers.

In the above, specific embodiments have been illustrated and described. However, the present invention is not limited to the above-described embodiments, and those skilled in the art may make various changes without departing from the spirit of the technical idea of the invention as set forth in the claims below. .

1: dishwasher 10: main unit
11: door 12: tub
12a: opening 13a: upper guide rack
13b: lower guide rack 15: heater
20: sump 21: washing pump
22: drain pump 31: the first supply pipe
32: second supply pipe 41: first injection unit
41a: rotating shaft 42: second injection unit
42a: rotating shaft 43: third spray unit
44: nozzle 51: the upper basket
52: lower basket 60: transition assembly
62: guide rail 64: holder
80: support portion (formed on tub) 101: front portion
102: rear portion 110: frame
111: fixed plate 112: elevating plate
113: wall 113a: first wall
113b: second wall 113c: third wall
113d: fourth wall 120: elevating guide member
130: first roller 140: second roller
150: roller mounting portion 160: first stopper
170: second stopper 180: second support holder
191: support holder body 191a: first wall
191aa: home 191b: second wall
191c: third wall 191d: fourth wall
192: first protrusion rib 193: second protrusion rib
491 branch wall 591 support holder body
591a: first wall 591b: second wall
592: first part 593: second part
595: support projection 800,900: guide rail
810: rail body 820: first rail holder
821: upper surface 822: hook portion
830: second rail holder 910: support (formed on the guide rail)
1000: mounting member 1100: coupling member
14: inner wall (inner wall of the tub)
190,290,390,490,590,690,2090: support holder (first support holder)
100,200,300,400,500,600,2000: rack assembly
2001: Leaving prevention rib 2100: stopper
2111: first end 2112: second end
2113: connection

Claims (20)

main body;
A tub provided inside the main body and having an opening;
A door provided to open and close the opening of the tub;
A guide rail installed on an inner wall of the tub;
A storage container for storing dishes and being movable along the guide rail, the storage container including a front part facing the opening part and a rear part;
At least one roller rotatably installed at a rear portion of the storage container to move the storage container along the guide rail; And
And a support holder formed at a front portion of the storage container so as to be supported by at least one of the guide rail and the inner wall of the tub. The method of claim 1,
The support holder is a dishwasher extending from the front portion of the storage container to be supported on the top of the guide rail. The method of claim 1,
The guide rail,
A rail body fixed to an inner wall of the tub and having one end facing the opening; And
And a rail holder coupled to one end of the rail body and extending downward. The method of claim 3, wherein
The storage container further includes a side wall facing the guide rail,
The support holder is formed in the upper end of the side wall of the storage container to avoid interference with the rail holder. The method of claim 3, wherein
The storage container further includes a side wall facing the guide rail,
And a stopper provided on a side wall of the storage container to interfere with the rail holder so as to limit the withdrawal of the storage container. The method of claim 1,
The support holder comprises a support holder body defining an appearance,
The support holder body,
A first wall facing the opening; And
And a second wall facing the first wall and having a lower height than the first wall in a height direction of the dishwasher. The method of claim 1,
The at least one roller,
A first roller provided to be supported on an upper portion of the guide rail; And
And a second roller positioned below the guide rail to stably support the storage container together with the support holder and the first roller. The method of claim 7, wherein
And the support holder and the first roller are positioned above the guide rail so as to be spaced apart from each other. The method of claim 1,
And a support portion formed on an inner wall of the tub so as to support the support holder. The method of claim 1,
The storage container further includes a side wall facing the guide rail,
The support holder comprises a support holder body defining an appearance,
The support holder body,
A first wall extending from a side wall of the storage container so as to be positioned above the guide rail, and having a supporting protrusion projecting to contact the guide rail; And
And a second wall bent downward from the first wall to cover the guide rail together with the first wall. The method of claim 1,
The guide rail includes one end facing the opening,
One end of the guide rail dishwasher is formed with a support extending toward the inside of the tub so that the support holder is supported. The storage container,
A loading unit on which the tableware is placed; And
And a wall disposed along a circumference of the loading part.
The loading unit and the wall is a dishwasher having a plastic material. main body;
A tub provided inside the main body and having an opening;
A door provided to open and close the opening of the tub;
A guide rail installed on an inner wall of the tub, the guide rail including a rail body having one end facing the opening and a rail holder coupled to one end of the rail body and extending downward;
A storage container for storing dishes and being movable along the guide rails; And
And a support holder provided on the storage container so as to be supported by at least one of the guide rail and the inner wall of the tub, and positioned on an upper side of the guide rail to avoid interference with the rail holder. The method of claim 13,
The storage container includes a front portion and a rear portion facing the opening portion,
The support holder is provided in the front portion of the storage container dishwasher. The method of claim 14,
And at least one roller installed at a rear portion of the storage container to movably couple the storage container to the guide rail. The method of claim 13,
The support holder is a dishwasher extending from the front portion of the storage container to be supported on the upper portion of the guide rail. The method of claim 13,
The rail body is fixed to the inner wall of the tub, and further includes the other end located on the opposite side of one end toward the opening,
The guide rail is coupled to the other end of the rail body, further comprising a rail holder extending upward. The method of claim 13,
The storage container includes a side wall facing the guide rail,
And a stopper provided on a side wall of the storage container to interfere with the rail holder so as to limit the withdrawal of the storage container. The method of claim 13,
The storage container,
A loading unit on which the tableware is placed; And
And a wall disposed along a circumference of the loading part.
The loading unit and the wall is a dishwasher having a plastic material. main body;
A tub provided inside the main body and having an opening;
A door provided to open and close the opening of the tub;
A guide rail installed on an inner wall of the tub;
A storage container for storing dishes and being movable along the guide rails;
A plurality of rollers rotatably installed in the storage container such that the storage container is movable along the guide rail, the first roller being located above the guide rail and the second roller being located below the guide rail; A plurality of rollers including; And
And a support holder extending from the storage container so as to be positioned above the guide rail.
And the storage container is supported by at least one of the inner wall of the guide rail and the tub at three points by the first roller, the second roller, and the support holder.

Images