KR102641374B1 - Dish washer - Google Patents

Abstract

Disclosed is a dishwasher having an improved structure to prevent deformation of a storage container. A dishwasher includes a 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 the inner wall of the tub, and storing dishes, and along the guide rail. A storage container provided to be movable, the storage container including a front part facing the opening and a rear part, and at least one rotatably installed in the rear part of the storage container so that the storage container can move along the guide rail. It may include a support holder formed in the front part of the storage container to be supported on at least one of the rollers, the guide rail, and the inner wall of the tub.

Description

Dishwasher {DISH WASHER}

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

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

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

The storage container may be withdrawn from or introduced into the tub along a guide rail installed on the tub.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

Generally, the storage container is supported by a guide roller when placed 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 likely to be deformed in the direction of gravity.

If the front end of the storage container is deformed in this way, it is difficult to expect smooth extraction or retraction of the storage container. Additionally, there may be restrictions on the types of dishes 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, if the upper storage container is deformed, the gap between the upper storage container and the lower storage container may narrow. This may result in the storage space of the lower storage container being narrowed, which may ultimately make it difficult to store large dishes in the lower storage container.

One aspect of the present invention provides a dishwasher with an improved structure to facilitate extraction and insertion of a storage container.

Another aspect of the present invention provides a dishwasher with an improved structure to improve space utilization of storage containers.

A dishwasher according to the spirit of the present invention includes a 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 the inner wall of the tub, and accommodating dishes. , a storage container provided to be movable along the guide rail, the storage container including a front portion facing the opening and a rear portion, the storage container rotating at the rear portion of the storage container so that the storage container can move along the guide rail. It may include at least one roller that can be installed and a support holder formed in the front part 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 part of the storage container to be supported on the upper part of the guide rail.

The guide rail may include a rail body fixed to the inner wall of the tub and having 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 further includes a side wall facing the guide rail, and a stopper that interferes with the rail holder to limit withdrawal of the storage container may be provided on the side wall of the storage container.

The support holder includes a support holder body forming an exterior, and the support holder body has a first wall facing the opening, faces the first wall, 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 includes a first roller provided to be supported on an upper part of the guide rail, and a second roller located below the guide rail to stably support the storage container together with the support holder and the first roller. may include.

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

A support portion extending toward the inside of the tub may be formed on the inner wall of the tub to support the support holder.

The storage container further includes a side wall facing the guide rail, the support holder includes a support holder body forming an exterior, and the support holder body is located on a side wall of the storage container to be located above the guide rail. It may include a first wall extending from and provided with a support protrusion protruding to contact the guide rail, and a second wall bent downward 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 a support part extending toward the inside of the tub may be formed at one end of the guide rail to support the support holder.

The storage container includes a loading portion on which the dishes are placed and a wall disposed along a circumference of the loading portion, and the loading portion and the wall may be made of a plastic material.

A dishwasher according to the spirit of the present invention includes a 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, and a guide rail installed on the inner wall of the tub, wherein the opening is A guide rail including a rail body having one end facing and a rail holder coupled to one end of the rail body and extending downward, a storage container provided to store dishes and movable along the guide rail, and It may be provided in the storage container to be supported on at least one of a guide rail and an inner wall of the tub, and may include a support holder located above the guide rail to avoid interference with the rail holder.

The storage container includes a front part and a rear part facing the opening, and the support holder may be provided in 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 the rear of the storage container to movably couple the storage container to the guide rail.

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

The rail body is fixed to the inner wall of the tub and further includes another end located on an opposite side of the one end facing the opening, and the guide rail is coupled to the other end of the rail body and extends upward. Additional holders may be included.

The storage container includes a side wall facing the guide rail, and a stopper that interferes with the rail holder to limit withdrawal of the storage container may be provided on the side wall of the storage container.

The storage container includes a loading portion on which the dishes are placed and a wall disposed along a circumference of the loading portion, and the loading portion and the wall may be made of a plastic material.

A dishwasher according to the spirit of the present invention includes a 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 the inner wall of the tub, and accommodating dishes. , a storage container provided to be movable along the guide rail, a plurality of rollers rotatably installed in the storage container so that the storage container can be moved along the guide rail, and a first 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 to be located above the guide rail, wherein the storage container includes the first roller, the It may be supported on at least one of the guide rail and the inner wall of the tub at three points by the second roller and the support holder.

By installing a support holder at the front end of the storage container, the stress or load that may be applied to the storage container can be evenly distributed to the front and rear ends 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 expect improved sliding properties of the storage container and improved space utilization of the storage container.

1 is a cross-sectional view of a dishwasher according to an embodiment of the present invention.
Figure 2 is a perspective view of a dishwasher according to an embodiment of the present invention
Figure 3 is a perspective view showing a rack assembly according to the first embodiment in a dishwasher according to an embodiment of the present invention.
4A and 4B are diagrams illustrating a case in which a support holder is not installed and a case in which a support holder is installed in the rack assembly according to the first embodiment, respectively, in a dishwasher according to an embodiment of the present invention.
Figure 5 is a perspective view showing the rack assembly according to the first embodiment before being pulled out from the tub in the dishwasher according to an embodiment of the present invention.
Figure 6 is a perspective view showing a rack assembly according to the first embodiment pulled out from the tub in a dishwasher according to an embodiment of the present invention.
Figure 7 is a view showing the relationship between the rack assembly and the guide rail when the rack assembly according to the first embodiment is inside the tub in the dishwasher according to an embodiment of the present invention.
Figure 8 is a bottom perspective view showing the rack assembly according to the first embodiment so that the inner structure of the support holder of the rack assembly according to the first embodiment is visible in the dishwasher according to an embodiment of the present invention.
Figure 9 is a cross-sectional view showing the support holder of the rack assembly according to the first embodiment mounted on a guide rail in a dishwasher according to an embodiment of the present invention.
Figure 10 is a cross-sectional view showing the support holder of the rack assembly according to the second embodiment mounted on the inner wall of the tub in the dishwasher according to an embodiment of the present invention.
Figure 11 is a cross-sectional view showing the support holder of the rack assembly according to the third embodiment mounted on the inner wall of the tub in the dishwasher according to an embodiment of the present invention.
Figure 12 is a cross-sectional view showing the support holder of the rack assembly according to the fourth embodiment mounted on the guide rail and the inner wall of the tub in the dishwasher according to an embodiment of the present invention.
Figure 13 is a perspective view showing the support holder of the rack assembly according to the fifth embodiment mounted on a guide rail in a dishwasher according to an embodiment of the present invention.
Figure 14 is a cross-sectional view of Figure 13
Figure 15 is a perspective view showing the support holder of the rack assembly according to the sixth embodiment mounted on a guide rail in a dishwasher according to an embodiment of the present invention.
Figure 16 is a cross-sectional view of Figure 15
Figure 17 is a perspective view showing a rack assembly according to a seventh embodiment in a dishwasher according to an embodiment of the present invention.
18A to 18D are diagrams illustrating 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.
Figure 19 is a perspective view showing the rack assembly according to the seventh embodiment before being pulled out from the tub in the dishwasher according to an embodiment of the present invention.
Figure 20 is a perspective view showing a rack assembly according to the seventh embodiment pulled out from the tub in a dishwasher according to an embodiment of the present invention.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the attached drawings. Meanwhile, the terms "front end", "rear end", "top", "bottom", "top" and "bottom" used in the following description are defined based on the drawings, and the shapes of each component are defined by these terms. and location is not limited.

Hereinafter, tableware can be used as a concept encompassing dishes, cups, cutlery, and various cooking utensils.

Hereinafter, “X” refers to the front-to-back 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).

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

As shown in Figures 1 and 2, the dishwasher 1 may include a main body 10 that forms an exterior.

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 open portion 12a. As an example, the front 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 on the main body 10 to open and close the opening 12a of the tub 12. The door 11 may be installed on the main body 10 to be rotatable.

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

The storage container may include a plurality of baskets 51 and 52. Relatively large dishes can be stored in the plurality of baskets 51 and 52. However, the types of dishes stored in the plurality of baskets 51 and 52 are not limited to relatively bulky dishes. That is, not only relatively large-volume dishes but also relatively small-volume dishes can be stored in the plurality of baskets 51 and 52.

The plurality of baskets 51 and 52 include an upper basket 51 located at the top in the height direction (H) of the dishwasher (1), and a lower basket (51) located at the bottom in the height direction (H) of the dishwasher (1). It may include a basket 52. The upper basket 51 may be supported on the upper guide rack 13a, and the lower basket 52 may be supported on 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 the 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 placed inside the tub 12 to store dishes. Specifically, the rack assembly 100 may be placed inside the tub 12 so as to be retractable. Rack assembly 100 can accommodate relatively small dishes. Preferably, the rack assembly 100 can accommodate cooking tools or cutlery such as a ladle, knife, and spatula. Additionally, small cups such as espresso cups may be stored in the rack assembly 100. However, the types of dishes stored in the rack assembly 100 are not limited to the above example. The rack assembly 100 may be located on top of 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. A detailed description of the rack assembly 100 will be provided 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. Specifically, 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 instead of the upper guide rack 13a and the lower guide rack 13b to guide the movement of the plurality of baskets 51 and 52. there is. A detailed description of the guide rail 800 will be described later.

The dishwasher 1 may further include a sump 20 that collects and stores washing water. The sump 20 may be provided with a washing pump 21 that pumps the stored water to the spray units 41, 42, and 43. The washing water pumped by the washing pump 21 is supplied through the first supply pipe 31 to the first injection unit 41 and the second injection unit 42, which will be described later, or through the second supply pipe 32, which will be described later. It can be supplied to the third injection unit 43.

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

The dishwasher 1 may further include spray units 41, 42, and 43 provided to spray washing water. The injection units 41, 42, and 43 include a first injection unit 41 disposed at the top of the upper basket 51 in the height direction (H) of the dishwasher 1, and a first injection unit 41 disposed in the height direction H of the dishwasher 1. A second injection unit 42 disposed between the upper basket 51 and the lower basket 52 in (H), and a second injection unit 42 disposed below the lower basket 52 in the height direction (H) of the dishwasher (1). It may include a third injection unit 43. Specifically, the first injection unit 41 may be disposed on the upper part of 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 axis 41a, and the second injection unit 42 may be provided to be rotatable about the rotation axis 42a.

The first spray unit 41 can spray washing water toward the dishes stored in the rack assembly 100 and the upper basket 51, and the second spray unit 42 can spray washing water toward the upper basket 51 and the lower basket 52. ) You can spray washing water toward the dishes stored in the dishwasher.

Unlike the first injection unit 41 and the second injection unit 42, the third injection unit 43 may be provided to be fixed to one side of the tub 12. The third spray unit 43 sprays wash water in a substantially horizontal direction, and therefore, the wash water sprayed from the third spray unit 43 may not be directed toward the dishes.

The third injection unit 43 may include a nozzle 44 through which washing water is sprayed. The nozzles 44 may be arranged in a row to be spaced apart from each other at a predetermined distance from approximately one side of the tub 12 to the opposite side.

The washing water sprayed in an approximately horizontal direction from the nozzle 44 of the third spray unit 43 is changed in direction by the switching assembly 60 disposed inside the tub 12, and the dishes stored in the lower basket 52 You can move towards. The conversion assembly 60 is restrained to the guide rail 62 by a holder 64 and may be movable along the guide rail 62.

Figure 3 is a perspective view showing a rack assembly according to the first embodiment of the 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 example and can be changed in various ways.

The rack assembly 100 may include a frame 110 that forms the exterior of the rack assembly 100.

The frame 110 may include a loading unit on which dishes are placed. The loading unit may include a fixing plate 111 and a lifting plate 112 that can be lifted up and down. The lifting plate 112 may be provided to allow height adjustment. The lifting plate 112 may be placed at the center of the frame 110 to enable lifting. Dishes may be placed across the fixing plate 111 and the lifting plate 112.

The frame 110 may further include a wall 113 disposed along the periphery of the loading unit. 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 113b facing the first wall 113a. 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 and left walls of the tub 12, respectively.

The rack assembly 100 may further include an operating member (not shown) provided to adjust the height of the lifting plate 112, and a lifting guiding member 120 provided to connect the operating member and the lifting plate 112. there is. The lifting guide member 120 may be provided to be rotatable. The lifting guide member 120 may be made of steel to provide rigidity to the frame 110 and prevent deformation of the frame 110. As an example, the lifting guide member 120 may include a shaft. The lifting plate 112 can move in conjunction with the lifting guiding member 120.

The dishwasher 1 may further include at least one roller 130 or 140 that allows the rack assembly 100 to move along the guide rail 800. At least one roller 130 or 140 may be installed on the frame 110 to rotate along the guide rail 800. At least one roller 130 or 140 may be provided on the rack assembly 100 to movably couple the rack assembly 100 to the guide rail 800.

A roller mounting portion 150 may be provided on the wall 113 of the rack assembly 100 to accommodate at least one roller 130 or 140. The roller mounting unit 150 may be formed integrally with the frame 110 so that at least one roller 130 or 140 is mounted therein. Specifically, the roller mounting unit 150 may be injection molded integrally with the fixing plate 111 and the wall 113 so that at least one roller 130 or 140 is mounted therein. The roller mounting portion 150 may protrude from the wall 113 of the frame 110. Specifically, the roller mounting portion 150 may be formed to 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 or 140 may rotate about a roller rotation axis (not shown). That is, at least one roller 130 or 140 may be accommodated inside the roller mounting unit 150 to rotate around the roller rotation axis. The roller rotation axis may extend in the left and right direction (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 on 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, which will be described later.

The rack assembly 100 may include a front portion 101 and a rear portion 102 facing the opening 12a. 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 part 101 and the rear part 102 of the rack assembly 100 will be described based on 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 located on the opposite side of the front portion 101. The front portion 101 and the rear portion 102 of the wall 113 may be defined based on the center of the wall 113 of the rack assembly 100 extending in the front-back 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-back direction (X) of the dishwasher 1.

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

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

The rack assembly 100 may be made of plastic. Specifically, the frame 110 that forms the exterior of the rack assembly 100 may be made of plastic. More specifically, the loading portion and wall 113 of the rack assembly 100 may be made of plastic. Explained from another aspect, the frame 110 forming the exterior of the rack assembly 100 may be injection molded. Specifically, the loading portion and the wall 113 of the frame 110 may be injection molded as one piece. More specifically, the fixing plate 111 and the wall 113 may be injection molded as one piece. The roller mounting portion 150 may also be injection molded integrally with the fixing plate 111 and 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 for the first support holder 190 to be 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 as described above. It is not limited to examples. As an example, the first support holder 190 may be provided in a separate configuration from the frame 110 and may be 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 be made of the same material as the frame 110. However, the material of the first support holder 190 is not limited to the above example and can be changed in various ways. That is, it is possible for the first support holder 190 to be formed of a different material from the frame 110.

Since the rack assembly 100 of the present invention uses a frame 110 formed only of plastic instead of using a wire frame made of metal, it is possible to implement a rack assembly that is relatively light and inexpensive to manufacture. In addition, the rack assembly 100 of the present invention can be manufactured integrally by injection molding the frame 110 forming the exterior, so 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 simpler and simpler than the manufacturing process of the conventional rack assembly.

The rack assembly 100 may further include stoppers 160 and 170 provided to limit 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 formed integrally with the wall 113 of the frame 110. Stoppers 160 and 170 may be located between the first support holder 190 and at least one roller 130 and 140. The stoppers 160 and 170 may prevent the rack assembly 100 from being excessively pulled out from the tub 12 through interference with the guide rail 800. Specifically, the stoppers 160 and 170 can prevent the rack assembly 100 from being excessively pulled 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 located below the guide rail 800.

The stoppers 160 and 170 may further include a second stopper 170 extending long 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 on 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 or 140 and a 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 formed integrally 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 upper part 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 upper part of the guide rail 800.

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

As shown in FIG. 4A, when the first support holder 190 is not installed on the rack assembly 100, the rack assembly 100 is supported by the load of the rack assembly 100 itself and the weight stored in the rack assembly 100. It may bend or sag in the direction of gravity due to the load of the tableware (D). In particular, 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 on the rack assembly 100, deformation of the rack assembly 100, particularly, deformation of the front portion 101 of the rack assembly 100 is It can be prevented effectively. This means that the front portion 101 of the rack assembly 100 is supported by the first support holder 190 on at least one of the guide rail 800 and the inner wall 14 of the tub 12, and the rack assembly 100 This is because the rear portion 102 of ) can be supported on the guide rail 800 by at least one roller 130 or 140 to the second support holder 180. In this way, by supporting the front part 101 and the rear part 102 of the rack assembly 100 at the same time, the stress concentrated in one part of the rack assembly 100 is distributed throughout the rack assembly 100, thereby dispersing the rack assembly (100). 100) deformation can be effectively prevented.

Explained from another aspect, when the first support holder 190 is installed on the rack assembly 100, the rack assembly 100 includes a first roller 130, a second roller 140, and a first support holder 190. ) may be supported on at least one of the guide rail 800 and the inner wall 14 of the tub 12 at three points. In this way, 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 is supported by the guide rail 800. and the inner wall 14 of the tub 12. In particular, the front part 101 of the rack assembly 100 is supported by the first support holder 190, and the rear part 102 of the rack assembly 100 is supported by the first roller 130 and the second roller 130 facing each other. It can be supported by the roller 140, effectively preventing the front portion 101 of the rack assembly 100 from being deformed as shown in FIG. 4A.

The rack assembly 100 supports the guide rail 800 and the 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 walls 14.

The number of points at which the rack assembly 100 is supported is not limited to the above example and can be changed in various ways.

Figure 5 is a perspective view showing the rack assembly according to the first embodiment before being pulled out from the tub in the dishwasher according to an embodiment of the present invention, and Figure 6 is a perspective view showing the rack assembly according to the first embodiment of the dishwasher according to an embodiment of the present invention. This is a perspective view showing the rack assembly according to the first embodiment pulled out from the tub.

As shown in FIGS. 5 and 6, the rack assembly 100 can slideably move along the guide rail 800. That is, the rack assembly 100 may be pulled out of or introduced into the tub 12 along the guide rail 800.

As shown in FIG. 5, the rack assembly 100 may be located inside the tub 12 while being supported on 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 or 140 and a second support holder 180.

The first support holder 190 may extend from the wall 113 of the frame 110 to be supported on the upper part of the guide rail 800. In other words, the first support holder 190 may extend from the wall 113 of the frame 110 to hang on or cover the upper part 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. Specifically, the rail body 810 may be fixed to the inner wall 14 of the tub 12 by the coupling member 1100 (see FIG. 9) via 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 located on the opposite side of 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. there is.

The first rail holder 820 and the second rail holder 830 may extend in different directions. Specifically, 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 due to interference with the first support holder 190, and the second rail holder 830 is bent upward. It can be bent towards . However, the extension or bending direction of the first rail holder 820 and the second rail holder 830 is not limited to the above example. That is, it is possible for the first rail holder 820 and the second rail holder 830 to extend or bend in the same direction.

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

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

As shown in FIGS. 5 and 6 , the at least one roller 130 and 140 may include a first roller 130 and a second roller 140 facing each other with the guide rail 800 in between. The first roller 130 may be positioned on the upper side of the guide rail 800 to rotate along the upper surface of the guide rail 800, and the second roller 140 may be positioned to rotate along the lower surface of the guide rail 800. It may be located on the lower side of the rail 800. The first roller 130 may be located in front of the second roller 140 in the front-back direction (X) of the dishwasher 1.

The first support holder 190 may be located on the same side as either the first roller 130 or the second roller 140 with the guide rail 800 as the center. Specifically, the first support holder 190 may be positioned on the same side as the first roller 130 with the guide rail 800 as the center so that it is supported on the upper part 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.

Figure 7 is a diagram showing the relationship between the rack assembly and the guide rail when the rack assembly according to the first embodiment is inside the tub in the dishwasher according to an embodiment of the present invention, and Figure 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 so that the inner structure of the support holder of the rack assembly according to the first embodiment is visible.

As shown in FIGS. 7 and 8 , the first rail holder 820 may include an upper surface 821 facing upward of the dishwasher 1 . The upper surface 821 of the first rail holder 820 may be inclined to guide the movement of the rack assembly 100. The upper surface 821 of the first rail holder 820 may be inclined to face upward as it moves away from the opening portion 12a. In other words, the upper surface 821 of the first rail holder 820 may be tilted upward toward the rear of the dishwasher 1. The rack assembly 100 can be easily pulled in or out along the guide rail 800 through the inclined structure of the first rail holder 820.

The first rail holder 820 may further include a hook portion 822. The hook portion 822 may interfere with the first stopper 160 to restrict withdrawal of the rack assembly 100. The second stopper 170 may restrict the withdrawal of the rack assembly 100 by interfering with the 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. Specifically, the first support holder 190 may have a shape corresponding to the upper surface 821 of the first rail holder 820.

The first support holder 190 may include a support holder body 191 that forms an exterior. 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 lower height than 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 faces upward of the dishwasher 1 and may further include a third wall 191c connecting the first wall 191a and the second wall 191b. The third wall 191c may be located above the guide rail 800 to cover the top 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 has a fourth wall 191d bent downward from the third wall 191c. More may be included. 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 inside the support holder body 191. At least one protruding rib 192 and 193 may extend downward from the third wall 191c of the support holder body 191. At least one protruding rib 192 and 193 is lower than the first wall 191a of the support holder body 191 in the height direction (H) of the dishwasher 1, and is lower than the second wall 191b of the support holder body 191. ) can have a height higher than that. As an example, when the at least one protruding rib 192 and 193 includes a first protruding rib 192 adjacent to the first wall 191a and a second protruding rib 193 adjacent to the second wall 191b, the 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 protruding rib 193 may be higher than the height h2 of the second wall 191b and lower than the height h1' of the first protruding rib 192.

As the dishwasher 1 moves toward the rear, the height of the first wall 191a, the at least one protruding rib 192 and 193, and the second wall 191b may gradually decrease.

For reference, the heights of the first wall 191a, the second wall 191b, and the at least one protruding rib 192,193 are the heights of the first wall 191a, the second wall 191b, and the at least one protruding rib 192,193. It may be defined as the distance between the portion supported by 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 192,193 are the heights of the first wall 191a and the second wall with respect to the third wall 191c. It may be defined as the lowest height of (191b) and at least one protruding rib (192,193).

As shown in FIG. 7, when the rack assembly 100 is located inside the tub 12, the rack assembly 100 is supported by the rail body 810 of the guide rail 800 by the first support holder 190. ) can be supported. At this time, the first wall 191a of the first support holder 190 may be supported by directly contacting the rail body 810. Specifically, the first wall 191a of the first support holder 190 may be supported by directly contacting the upper surface of the rail body 810.

Figure 9 is a cross-sectional view showing the support holder of the rack assembly according to the first embodiment mounted on a guide rail in the dishwasher according to an embodiment of the present invention.

As shown in FIG. 9 , when located inside the tub 12, the rack assembly 100 may be supported on the guide rail 800 by the first support holder 190. Specifically, when the rack assembly 100 is located inside the tub 12, it may be supported on 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 on the guide rail 800 by the first support holder 190, the third wall 191c of the support holder body 191 is supported by the guide rail 800. It may be located on the upper side of the support holder body 191, and the fourth wall 191d of the support holder body 191 is bent from the third wall 191c to surround the guide rail 800 and the guide rail 800 and the tub 12. It may be located between the inner walls (14).

When the front portion 101 of the rack assembly 100 is supported on the guide rail 800 by the first support holder 190, the third wall 191c of the support holder body 191 is supported by the guide rail 800. can be separated from The front portion 101 of the rack assembly 100 may be substantially 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 is formed by fitting a groove 191aa (see FIG. 8) formed in the first wall 191a of the support holder body 191 into the guide rail 800. It can be supported on the guide rail 800. However, the method of supporting 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 at least one protruding rib 192 and 193. It can be supported.

Figure 10 is a cross-sectional view showing the support holder of the rack assembly according to the second embodiment mounted on the inner wall of the tub in the dishwasher according to an embodiment of the present invention. Hereinafter, descriptions that overlap with those 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.

A support portion 80 extending toward the inside of the tub 12 may be formed on the inner wall 14 of the tub 12 to support the support holder 290. As an example, the support portion 80 may have a protrusion shape protruding toward the inside of the tub 12. However, the support portion 80 is sufficient as long as it can support the support holder 290, and its shape can be changed in various ways.

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 upper part of the guide rail 800 and is attached to the support portion 80 of the tub 12. It can be supported.

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

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

Figure 11 is a cross-sectional view showing the support holder of the rack assembly according to the third embodiment mounted on the inner wall of the tub in the dishwasher according to an embodiment of the present invention. Hereinafter, descriptions that overlap with those 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.

A support portion 80 extending toward the inside of the tub 12 may be formed on the inner wall 14 of the tub 12 to support the support holder 390. As an example, the support portion 80 may have a protrusion shape protruding toward the inside of the tub 12. However, the support portion 80 is sufficient as long as it can support the support holder 390, and its shape can be changed in various ways.

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 upper part of the guide rail 800 and is attached to the support portion 80 of the tub 12. It 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 to cover the upper part of the guide rail 800 to form a tub ( It can be supported on the support part 80 of 12). The third wall 191c of the support holder body 191 may be linear.

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

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

Figure 12 is a cross-sectional view showing the support holder of the rack assembly according to the fourth embodiment mounted on the guide rail and the inner wall of the tub in the dishwasher according to an embodiment of the present invention. Hereinafter, descriptions that overlap with those 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.

A support portion 80 extending toward the inside of the tub 12 may be formed on the inner wall 14 of the tub 12 to support the support holder 490. As an example, the support portion 80 may have a protrusion shape protruding toward the inside of the tub 12. However, the support portion 80 is sufficient as long as it can support the support holder 490, and its shape can be changed in various ways.

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. Additionally, 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 to cover the upper part of the guide rail 800 to form a tub ( It can be supported on the support part 80 of 12). 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 from the third wall 119c to face downward. The branch wall 491 of the support holder body 191 may be supported on the guide rail 800 to surround the upper part of the guide rail 800.

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

In this way, the front portion 101 of the rack assembly 400 is supported on 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 It can be supported on the guide rail 800 by the branch wall 491.

FIG. 13 is a perspective view showing the support holder of the rack assembly according to the fifth embodiment mounted on a guide rail in a dishwasher according to an embodiment of the present invention, and FIG. 14 is a cross-sectional view of FIG. 13. Hereinafter, descriptions that overlap with those 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 that forms an exterior. The support holder body 591 may extend from the wall 113 of the frame 110 toward the inner wall 14 of the tub 12. The support holder body 591 supports the guide rail 800 with a first wall 591a extending from the wall 113 of the frame 110 to be located on the upper side of the guide rail 800. It may include a second wall 591b provided to cover it. The second wall 591b may be bent downward from the first wall 591a so as to cover the upper part 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. Specifically, the support holder 590 may have a shape corresponding to the upper 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 includes a first part 592 facing the opening 12a and a second part 593 extending from the first part 592 to be inclined upward. ) may include. The rack assembly 500 can be easily pulled in or out along the guide rail 800 through the inclined structure of the first rail holder 820 and the first wall 591a of the support holder body 591.

A support protrusion 595 that protrudes to contact the guide rail 800 may be provided on the first wall 591a of the support holder body 591. The support protrusion 595 may protrude from the first wall 591a of the support holder body 591 to contact the upper surface of the guide rail 800. The support protrusion 595 may be formed integrally with the first wall 591a of the support holder body 591. It is also possible that the support protrusion 595 is provided in a separate configuration from the first wall 591a of the support holder body 591 and is coupled to the first wall 591a of the support holder body 591.

The support protrusion 595 may be formed on the 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 on 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 upper surface of the guide rail 800.

In this way, the front portion 101 of the rack assembly 500 may be supported on the guide rail 800 by the support protrusion 595 of the support holder 590.

FIG. 15 is a perspective view showing the support holder of the rack assembly according to the sixth embodiment mounted on a guide rail in a dishwasher according to an embodiment of the present invention, and FIG. 16 is a cross-sectional view of FIG. 15. Hereinafter, descriptions that overlap with those 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 so as to be supported on the guide rail 900. As an example, the support holder 690 may be formed at a corner of the frame 110 to protrude outwardly from the frame 110. However, it is sufficient for the support holder 690 to be supported on the guide rail 900, and its position is not limited to the above example. The support holder 690 is formed on the wall 113 of the frame 110 facing the inner wall 14 of the tub 12, or is formed on the wall 113 of the frame 110 facing the opening 12a. It is also possible.

The rack assembly 600 may be supported on the support portion 910 of the guide rail 900 by the support holder 690. The support portion 910 may be formed at one end of the guide rail 900 facing the opening portion 12a. Specifically, the support portion 910 may extend from the guide rail 900 toward the inside of the tub 12. In other words, the support portion 910 may extend from the guide rail 900 toward the rack assembly 600. More specifically, the support portion 910 may be formed on the first rail holder 820 so that the support holder 690 can be supported.

The support portion 910 may be formed integrally with the first rail holder 820. It is also possible that the support part 910 is provided in a separate configuration from the first rail holder 820 and is 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 portion 910.

In this way, the front portion 101 of the rack assembly 600 may be supported on the support portion 910 of the guide rail 900 by the support holder 690.

Figure 17 is a perspective view showing a rack assembly according to a seventh embodiment of the dishwasher according to an embodiment of the present invention. Hereinafter, descriptions that overlap with those of the rack assembly 100 according to the first embodiment will be omitted.

As shown in FIG. 17, the rack assembly 2000 may have an approximately square shape. However, the shape of the rack assembly 2000 is not limited to the above example and can be changed in various ways.

The rack assembly 2000 may include a frame 110 that forms the exterior of the rack assembly 2000.

The frame 110 may include a loading unit on which dishes are placed. The loading unit may include a fixing plate 111 and a lifting plate 112 that can be lifted up and down.

The frame 110 may further include a wall 113 disposed along the periphery of the loading unit. 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 113b facing the first wall 113a. 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 and left walls of the tub 12, respectively.

The rack assembly 2000 may further include an operating member (not shown) provided to adjust the height of the lifting plate 112, and a lifting guiding member 120 provided to connect the operating member and the lifting plate 112. there is.

The dishwasher 1 may further include at least one roller 130 or 140 that allows the rack assembly 2000 to move along the guide rail 800. At least one roller 130 or 140 may be installed on the frame 110 to rotate 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.

A roller mounting portion 150 may be provided on the wall 113 of the rack assembly 2000 to accommodate at least one roller 130 or 140.

The dishwasher 1 may further include a first support holder 2090 extending from the rack assembly 2000 to be supported on 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 on 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. (Refer to FIG. 19) Specifically, the first support holder 2090 is located on the upper side of the guide rail 800 so as to be spaced apart from the guide rail 800 when dishes are not stored in the loading portion of the rack assembly 2000. You can.

The first support holder 2090 supports the guide rail 800 and the tub 12 when a load is applied to the rack assembly 2000, that is, when dishes are stored in the loading portion of the rack assembly 2000. It may be provided to be supported on at least one of the inner walls 14.

The first support holder 2090 may be formed at a position corresponding to approximately half 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. Explained from another aspect, 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 frame The wall 113 of 110 may include an upper portion located above and a lower portion located below based on a position corresponding to half the height of the wall 113 of the frame 110. Preferably, the first support holder 2090 is attached to the frame 110 facing the guide rail 800 so as to be adjacent to the boundary of the upper and lower parts of the wall 113 of the frame 110 facing the guide rail 800. ) can be formed on the wall 113. However, it is sufficient for the first support holder 2090 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 work. As an example, the first support holder 2090 is located on the wall 113 of the frame 110 facing the guide rail 800, like the first support holder 190 of the rack assembly 100 according to the first embodiment. It may be formed in the upper part of the wall 113 of the frame 110 facing the guide rail 800 so as to be adjacent to the upper end of .

The rack assembly 2000 may further include a stopper 2100 provided to limit the extraction 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 formed integrally with the wall 113 of the frame 110. The stopper 2100 may prevent the rack assembly 2000 from being excessively pulled out from the tub 12 through interference with the guide rail 800. Specifically, the stopper 2100 may prevent the rack assembly 2000 from being excessively pulled 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 located below the guide rail 800. The stopper 2100 may be formed integrally 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. Specifically, the first end 2111 may be located 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. Specifically, 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 2111 and the second end 2112. The connection portion 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 portion 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 connected to the first rail holder 820 of the guide rail 800 facing the rack assembly 2000. can come into contact with one side of

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

The rack assembly 2000 may further include a separation prevention 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 due to shaking or the like while moving along the guide rail 800. The separation prevention rib 2001 may prevent the rack assembly 2000 from separating from the guide rail 800 through interference with the guide rail 800. The separation prevention rib 2001 may be formed on the wall 113 of the frame 110 facing the inner wall 14 of the tub 12. The separation prevention rib 2001 may be formed integrally with the wall 113 of the frame 110. The separation prevention 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 separation prevention rib 2001 may protrude from the wall 113 of the frame 110 to be located below the guide rail 800. The separation prevention rib 2001 may be located at the rear of the stopper 2100. Explained from another aspect, the separation prevention rib 2001 may be located between the first roller 130 and the second roller 140.

18A to 18D are diagrams illustrating 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 to 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 portion 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 with a portion of the surface facing the inner wall 14 of the tub 12 open. The guide rail 800 having this shape may have strong bending strength, but may have weak twisting strength. Therefore, while the guide rail 800 is not easily bent, it can be easily twisted based on an imaginary line extending in the longitudinal direction of the guide rail 800. The guide rail 800 is capable of elastic deformation. Therefore, the guide rail 800 is distorted during the process of coupling the rack assembly 2000 to the guide rail 800, and will return to its original state when the coupling of the rack assembly 2000 to the guide rail 800 is completed. You can.

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 so 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. While 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 restored to its original state by the stopper 2100 of the rack assembly 2000. The connection portion 2113 of the stopper 2100 is connected to the guide rail 800 until the stopper 2100 passes the first rail holder 820 of the guide rail 800 and is located at the rear of the first rail holder 820. It may contact the first rail holder 820. The degree of distortion 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 passes the first rail holder 820 of the guide rail 800 and is located behind the first rail holder 820, the stopper 2100 ) and the first rail holder 820 are resolved, the first rail holder 820 of the guide rail 800 can be restored to its original state. When the rack assembly 2000 is completely coupled to the guide rail 800, the stopper 2100 may be positioned below the rail body 810 to be spaced apart from the rail body 810 of the guide rail 800. In addition, when the rack assembly 2000 is completely coupled to the guide rail 800, the first support holder 2090 of the rack assembly 2000 is positioned on the upper side of the guide rail 800 to be spaced apart from the guide rail 800. You can.

Figure 19 is a perspective view showing the rack assembly according to the seventh embodiment before being pulled out from the tub in the dishwasher according to an embodiment of the present invention, and Figure 20 is a perspective view showing the rack assembly according to the seventh embodiment of the dishwasher according to an embodiment of the present invention. This is a perspective view showing the rack assembly according to the seventh embodiment pulled out from the tub. In FIGS. 19 and 20, “D” refers to tableware. 19 and 20 show a spoon as an example of tableware.

As shown in FIGS. 19 and 20, the rack assembly 2000 can slideably move along the guide rail 800. That is, the rack assembly 2000 may be pulled out of or introduced into the tub 12 along the guide rail 800.

As shown in FIG. 19, the rack assembly 2000 may be located inside the tub 12 while being supported on the guide rail 800. The front portion 101 of the rack assembly 2000 may be supported on the guide rail 800 by a 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 or 140 and a second support holder 180.

The first support holder 2090 may extend from the wall 113 of the frame 110 to be supported on the upper part of the guide rail 800 when dishes are stored in the rack assembly 2000. In other words, the first support holder 2090 may extend from the wall 113 of the frame 110 to hang on or cover the upper part of the guide rail 800 when dishes are stored in the rack assembly 2000.

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

When the rack assembly 2000 is pulled out 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 pulled out 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 that is not supported by the guide rail 800. When the rack assembly 2000 is pulled out from the tub 12, the rear portion 102 of the rack assembly 2000 is attached to the guide rail 800 by at least one roller 130 and 140 and the second support holder 180. It can be supported.

The above description focuses on the rack assembly (100, 200, 300, 400, 500, 600, 2000) as an example of a storage container, but the various support structures described above can be applied not only to the rack assembly (100, 200, 300, 400, 500, 600, 2000) but also to a plurality of baskets (51, 52).

Of course, 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 are shown and described. However, it is not limited to the above-described embodiments, and those skilled in the art can make various changes without departing from the gist of the technical idea of the invention as set forth in the claims below. .

1: Dishwasher 10: Main body
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: first supply pipe
32: second supply pipe 41: first injection unit
41a: Rotating shaft 42: Second injection unit
42a: Rotating shaft 43: Third injection unit
44: nozzle 51: upper basket
52: lower basket 60: transition assembly
62: Guide rail 64: Holder
80: Support portion (formed on tub) 101: Front portion
102: rear part 110: frame
111: fixed plate 112: lifting 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 protruding rib 193: second protruding rib
491: branch wall 591: support holder body
591a: first wall 591b: second wall
592: Part 1 593: Part 2
595: Support protrusion 800,900: Guide rail
810: Rail body 820: First rail holder
821: upper surface 822: hook portion
830: Second rail holder 910: Support portion (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: Anti-separation 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 the inner wall of the tub;
A storage container that stores dishes and is movable along the guide rail, including a front portion facing the opening and a rear portion;
At least one roller rotatably installed at the rear of the storage container so that the storage container can move along the guide rail; and
It includes a support holder formed on the front part of the storage container to be supported on at least one of the guide rail and the inner wall of the tub,
A dishwasher wherein a support portion extending toward the inside of the tub is formed on the inner wall of the tub to support the support holder. According to claim 1,
A dishwasher wherein the support holder extends from a front part of the storage container to be supported on an upper part of the guide rail. According to claim 1,
The guide rail is,
a rail body fixed to the inner wall of the tub and having one end facing the opening; and
A dishwasher comprising: a rail holder coupled to one end of the rail body and extending downward. According to claim 3,
The storage container further includes a side wall facing the guide rail,
A dishwasher wherein the support holder is formed on an upper end of a side wall of the storage container to avoid interference with the rail holder. According to claim 3,
The storage container further includes a side wall facing the guide rail,
A dishwasher wherein a stopper that interferes with the rail holder is provided on a side wall of the storage container to limit withdrawal of the storage container. According to claim 1,
The support holder includes a support holder body forming an exterior,
The support holder body,
a first wall facing the opening; and
A second wall facing the first wall and having a height lower than the first wall in the height direction of the dishwasher. According to claim 1,
The at least one roller,
a first roller provided to be supported on the upper part of the guide rail; and
A dishwasher including a second roller located below the guide rail to stably support the storage container together with the support holder and the first roller. According to claim 7,
A dishwasher wherein the support holder and the first roller are positioned above the guide rail to be spaced apart from each other. delete According to claim 1,
The storage container further includes a side wall facing the guide rail,
The support holder includes a support holder body forming an exterior,
The support holder body,
a first wall extending from a side wall of the storage container to be located above the guide rail and provided with a support protrusion protruding to contact the guide rail; and
A dishwasher including a second wall bent downward from the first wall so as to cover the guide rail together with the first wall. According to claim 1,
The guide rail includes one end facing the opening,
A dishwasher wherein a support portion extending toward the inside of the tub is formed at one end of the guide rail to support the support holder. According to claim 1,
The storage container is,
a loading unit where the dishes are placed; and
It includes a wall disposed along the circumference of the loading unit,
A dishwasher wherein the loading unit and the wall are made of plastic. 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 the 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 that stores dishes and is movable along the guide rail; and
A support holder is provided in the storage container to be supported on at least one of the guide rail and the inner wall of the tub, and is located on an upper side of the guide rail to avoid interference with the rail holder,
A dishwasher wherein a support portion extending toward the inside of the tub is formed on the inner wall of the tub to support the support holder. According to claim 13,
The storage container includes a front part and a rear part facing the opening,
The support holder is a dishwasher provided in a front portion of the storage container. According to claim 14,
A dishwasher further comprising at least one roller installed at a rear portion of the storage container to movably couple the storage container to the guide rail. According to claim 13,
The support holder is a dishwasher extending from the front of the storage container to be supported on an upper part of the guide rail. According to claim 13,
The rail body is fixed to the inner wall of the tub and further includes another end located on an opposite side of one end facing the opening,
The guide rail is coupled to the other end of the rail body and further includes a rail holder extending upward. According to claim 13,
The storage container includes a side wall facing the guide rail,
A dishwasher wherein a stopper that interferes with the rail holder is provided on a side wall of the storage container to limit withdrawal of the storage container. According to claim 13,
The storage container is,
a loading unit where the dishes are placed; and
It includes a wall disposed along the circumference of the loading unit,
A dishwasher wherein the loading unit and the wall are made of plastic. delete

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