KR20140049803A

KR20140049803A - Dish washer and rack assembly therof

Info

Publication number: KR20140049803A
Application number: KR1020120116059A
Authority: KR
Inventors: 강유진
Original assignee: 삼성전자주식회사
Priority date: 2012-10-18
Filing date: 2012-10-18
Publication date: 2014-04-28

Abstract

Disclosed are a dishwasher and a rack assembly for a dishwasher. The rack assembly for the dishwasher includes a roller assembly which is releasably mounted in the washing tank and connected to the frame and the frame on which the dish is seated to allow the frame to be pulled out or pulled out. The roller assembly includes a roller moving in rolling motion, a roller guide coupled to the roller in a relatively sliding motion, and a stopper provided at an end of the roller guide to prevent separation of the roller. The stopper includes an elastic member for reducing noise due to impact with the roller. The dishwasher includes the rack assembly.

Description

Dish washer and rack assembly therof}

The present invention relates to a dishwasher and a rack assembly for a dishwasher, and more particularly, to a dishwasher including a rack assembly to prevent noise generated by the impact of the roller guide and the roller.

A dishwasher is a device that automatically cleans food residues on dishes, cutlery, and various cooking utensils using a detergent and washing water.

The dishwasher is provided with a washing tank having a cavity of a predetermined size, and a rack assembly in which the dish is placed is disposed in the washing tank so as to be pulled out. The washing tank is provided with a washing water spraying device for spraying washing water on the dishes placed in the rack assembly.

A plurality of rack assemblies may be provided so that two or more stages may be disposed in the washing tank in the vertical direction. For example, a first rack assembly is disposed at the bottom of the wash tub, a second rack assembly is disposed at the top of the wash tub, and a third rack assembly is disposed between the first rack assembly and the second rack assembly, thereby providing a rack assembly 3. It can be arranged in stages. When the rack assembly is arranged in three stages as described above, a cutlery such as a spoon or a fork may be disposed in the second rack assembly positioned at the top.

When a large table is to be placed in the rack assembly, the large table may be interrupted by the rack assembly located at the top. In this case, the rack assembly located at the top may be separated to secure a space for the large tableware to be placed at the bottom rack assembly.

For example, when a large tableware is placed in the third rack assembly, if the tableware is interfered by the second rack assembly, the second rack assembly may be separated to allow space for the dishes to be placed in the third rack assembly. It can be secured.

A roller and a roller guide may be provided on the inner side of the washing tank, and an end of the roller guide may be provided with a stopper to prevent the roller from being separated.

In the conventional dishwasher, noise is generated when the roller and the stopper collide with each other, thereby acting as a factor that impairs luxury feeling.

The dishwasher according to the present invention aims to prevent noise from being generated by the impact of the roller guide and the roller.

The dishwasher according to the present invention includes a roller assembly that is releasably mounted in a washing tank and connected to the frame on which the dishes are seated and to allow the frame to be pulled out or pulled out, wherein the roller assembly comprises a rolling motion. Roller; A roller guide coupled to the roller to allow a relatively sliding movement; And a stopper provided at an end of the roller guide to prevent detachment of the roller, wherein the stopper may be provided with a rack assembly for a dishwasher including an elastic member for reducing noise due to impact with the roller. have.

The roller may be a fixed roller fixed inside the washing tank, and the roller assembly may be provided with a rack assembly for a dishwasher further comprising a moving roller connected to the frame and rolling on the roller guide.

The moving roller may be provided with a rack assembly for a dishwasher including an upper moving roller and a lower moving roller rolling in rolling motion along the upper and lower surfaces of the roller guide.

The stopper may include a coupling part coupled to the roller guide, and the elastic member may be provided with a rack assembly for a dish washing machine positioned at the coupling side end of the coupling part.

The elastic member is one end is connected to the coupling portion and the other end is a leaf spring spaced apart from the coupling side end of the coupling portion, when colliding with the roller the other end of the elastic member and the coupling side end of the coupling portion is spaced apart from the A rack assembly for a dishwasher can be provided that can reduce noise due to a collision with a roller.

The elastic member may be a leaf spring having both ends connected to the coupling part and colliding with the roller spaced apart from the coupling side end of the coupling part, and a portion colliding with the roller of the elastic member when colliding with the roller. Since the coupling side ends of the coupling portion may be spaced apart, a rack assembly for a dish washing machine capable of reducing noise due to a collision with the roller may be provided.

The elastic member is one end of the coil spring is connected to the coupling portion, the other end of the elastic member may be provided with a rack assembly for a dishwasher that can reduce the noise caused by the collision with the roller by colliding with the roller. have.

The elastic member is made of a material having one end connected to the coupling portion and having an elasticity, and the other end of the elastic member collides with the roller, thereby reducing the noise due to impulse with the roller assembly. May be provided.

The stopper may include a stopping protrusion to prevent the moving roller from being separated; And an elastic member for reducing noise due to impact with the moving roller. A rack assembly for a dish washer may be provided.

According to another aspect of the present invention, a dishwasher including the rack assembly for the dishwasher may be provided.

According to the first embodiment of the present invention, by preventing the noise generated by the impact of the roller guide and the roller can increase the luxurious sensitivity when using the dishwasher.

1 is a perspective view showing a dish washer according to a first embodiment of the present invention.
2 is a side cross-sectional view showing the configuration of a dish washing machine according to a first embodiment of the present invention.
3 is a view showing a rack assembly according to a first embodiment of the present invention.
4 is an exploded view showing the configuration of a rack assembly according to a first embodiment of the present invention.
5 is a view showing a stopper according to a first embodiment of the present invention.
6 is a view showing a stopper according to a second embodiment of the present invention.
7 is a view showing a stopper according to a third embodiment of the present invention.
8 is a view showing a stopper according to a fourth embodiment of the present invention.

Hereinafter, a dishwasher according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a dish washer according to a first embodiment of the present invention, Figure 2 is a side cross-sectional view showing the configuration of a dish washer according to a first embodiment of the present invention.

1 and 2, the dishwasher 1 according to an embodiment of the present invention includes a main body 10, a door 20, a plurality of rack assemblies 30, 40, and 50, and a jet nozzle 71 and 72. , 73, 74). The main body 10 has a washing tank 11 which is a space in which the rack assemblies 30, 40, and 50 can be accommodated. The spray nozzles 71, 72, 73, and 74 may be provided in the washing tank 11 to spray washing water onto the dishware 2 stored in the rack assemblies 30, 40, and 50.

The main body 10 may be provided in a shape in which one surface is opened. The opened one surface may be opened and closed by the door 20. The user may draw the dishes 2 or the like into the washing tub 11 or withdraw the washing tub 11 through the opening.

The rack assemblies 30, 40, 50 are disposed in the washing tank 11 so as to be pulled out. Rack assembly 30, 40, 50 may be provided in plurality. The plurality of rack assemblies 30, 40, and 50 may be disposed in the washing tank 11 in the vertical direction.

For example, the rack assemblies 30, 40, 50 may include a first rack assembly 30, a second rack assembly 40, and a third rack assembly 50. The first rack assembly 30 is disposed at the bottom of the washing tank 11, the second rack assembly 40 is disposed on the top of the first rack assembly 30, the first rack assembly (40) is placed on the top of the second rack assembly 40 3 rack assembly 50 may be disposed. The first rack assembly 30, the second rack assembly 40, and the third rack assembly 50 are provided spaced apart from each other by a predetermined interval. That is, the first rack assembly 30, the second rack assembly 40, and the third rack assembly 50 may be spaced apart from each other with the adjacent rack assembly and sequentially disposed from the bottom surface of the washing tank 11.

At least one of the rack assemblies 30, 40, 50 may include a frame 51 and a basket 53. As an example, the third rack assembly 50 may include a basket 53 and a frame 51. The frame 51 supports the basket 53.

The rack assemblies 30, 40, and 50 may include roller assemblies 32, 42, and 52 through which the frames 31, 41, and 51 on which the dishes 2 and the like are seated.

The frames 31, 41, and 51 may be formed in a grill shape. The frames 31, 41, and 51 may be provided by crossing a metal line in a lattice shape. Since the frames 31, 41, and 51 are formed in a grille shape, the washing water sprayed from the washing water spraying device can be effectively delivered to the dishes 2 stored in the rack assemblies 30, 40, and 50.

The spray nozzle includes a first spray nozzle 71, a second spray nozzle 72, a third spray nozzle 73, and a fourth spray nozzle 74. The first spray nozzle 71, the second spray nozzle 72 and the third spray nozzle 73 are connected to the sump 81 by a first supply pipe 61, and the fourth spray nozzle 74 is The supply pipe 62 may be connected to the sump 81 to receive the washing water. Washing water supplied to the first spray nozzle 71, the second spray nozzle 72, and the third spray nozzle 73 through the first supply pipe 61, and the fourth spray nozzle through the second supply pipe 62. The wash water supplied to 74 has a structure that is independently sprayed according to the operation of the first spray nozzle 71, the second spray nozzle 72, the third spray nozzle 73 or the fourth spray nozzle 74, To this end, a separate flow path switching device may be provided or a valve may be provided in the first supply pipe 61 and the second supply pipe 62.

The second spray nozzle 72 is provided with a plurality of spray holes sprayed to the upper portion of the second spray nozzle 72 and a plurality of spray holes sprayed to the lower portion of the second spray nozzle 72 so that the washing water of the second spray nozzle 72 It can be sprayed to the top and bottom at the same time.

Similarly to the second spray nozzle 72, the third spray nozzle 73 also includes a plurality of spray holes sprayed to the upper portion of the third spray nozzle 73 and lower spray nozzles to the lower portion of the third spray nozzle 73. The washing water may be sprayed to the upper and lower portions of the third spray nozzle 73 at the same time.

The machine room 80 may be provided under the washing tank 11. The sump 81 is provided in the machine room 80. The sump 81 collects and pumps the washing water to move to the first spray nozzle 71, the second spray nozzle 72, the third spray nozzle 73, and the fourth spray nozzle 74. The sump 81 may be provided with a temperature sensor 82 for detecting the washing water temperature.

The sump 81 is provided with a circulation pump 83 for pumping the washing water, and on one side of the sump 81, a drain pump 84 and a drain valve 87 for discharging the contaminated washing water to the outside through the drain pipe 88. May be provided.

The bottom surface of the washing tank 11 is provided with a heater 85 for heating the washing water, the heater 85 may be accommodated in the heater installation groove 86 formed in the bottom surface of the washing tank (11).

3 is a view showing the rack assembly 30 according to the first embodiment of the present invention and Figure 4 is an exploded view showing the configuration of the rack assembly 30 according to the first embodiment of the present invention.

The frame 31 may include a first frame 310, a second frame 311, and a third frame 312. One or more frames 310 may be connected to each other to form a continuous loop. The second frame 311 may be arranged in the drawing direction of the frame 31 to be connected to the first frame 310. In addition, the third frame 312 may be arranged perpendicular to the second frame 311 and connected to the first frame 310.

At least one of the first frame 310, the second frame 311, or the third frame 312 may be provided with a bent portion to help stably store the tableware 2 (see FIG. 1). In addition, each of the frames 301, 311, and 312 may be crossed and connected to each other so that the tableware 2 is not separated.

At least one of the first frame 310, the second frame 311, or the third frame 310 may be omitted or a part thereof may be omitted, and the material and shape of the frame 31 may be described in the above description. It is not limited. In addition, even if it is configured differently from the above frame 31 will be said to correspond to the frame 31 of the present invention as long as it can hold the tableware 2 of the present invention.

One side of the frame 31 may be equipped with a roller assembly 32 to allow the frame 31 to be drawn in or drawn out into the cleaning tank 11 (see FIG. 1). 3 and 4 show that the frame 31 is located in the middle of the draw-in and draw-out.

The roller assembly 32 is provided with a fixed roller 324 fixed to the main body 10, a roller guide 323 moving on the fixed roller 324, and detachment of the fixed roller 324 at both ends of the roller guide 323. It may include a stopper (330, 340) to prevent, and the moving roller 322 and the fixed plate 321 to roll along the roller guide 323.

The fixing rollers 324 may be fixed to the main body 10 and two or more fixing rollers 324 may be provided in a line to determine the direction of drawing and drawing of the frame 31. This is because two or more fixed points are required to determine the direction of the two-dimensional motion (linear motion). That is, if at least two fixing rollers 324 are present, the entry / exit direction of the frame 310 is determined in one direction.

The roller guide 323 includes the fixing roller 324 therein and is slidably movable in the entry / exit direction of the frame 31 along the fixing roller 324. The roller guide 323 may include an upper guide 323-1 and a lower guide 323-2 supporting the fixing roller 324, and a body guide 323-3 connecting the fixed guide 323. The main body guide 323-3 is connected to only one side of the upper guide 323-1 and the lower guide 323-2 so that the other side may be configured as an opening 323-4 so that the shaft of the fixing roller 324 can move. Can be.

Both end portions of the roller guide 323 may be provided with a first stopper 330 and a second stopper 340. The stoppers 330 and 340 prevent the fixing roller 324 from escaping from the roller guide 323. That is, when the frame 31 is withdrawn, the second stopper 340 contacts the second fixing roller 324-2 to prevent detachment, and when the frame 31 is drawn in, the first stopper 330 removes the first stopper 330. 1 in contact with the fixing roller 324-1 to prevent the separation.

The frame 310 is fixed to the roller guide 323 may be drawn in or drawn out. However, in this case, the entry and exit distance (distance difference in the entry and exit direction of the frame 310 in the entry and withdrawal state) is reduced by the distance between the first and second fixing rollers 324-1 and 324-2. . In other words, the first stopper 330 is in contact with the first fixing roller 324-1 in the retracted state, and the second stopper 340 is in contact with the second fixing roller 324-2 in the withdrawn state. Since the state is limited to the entry and exit distance by the distance between the two fixing rollers (324). At this time, if the distance between the fixed rollers 324 is shortened, the entry and exit distance is secured, but the load applied to the first fixed rollers 324-1 (torque in the direction of gravity due to the weight of the frame 31) becomes large, affecting durability and the like. Can be crazy

The roller assembly 32 may further include a moving roller 322 and a fixing plate 321 in order to secure the entry and exit distance of the frame 31 while keeping the distance between the fixing rollers 324 or more.

The moving roller 322 is fixed to the fixed plate 321, and the fixed plate 321 is fixed to the frame 31. The moving roller 322 is essentially provided with the upper moving rollers 322-1, 322-2 rolling on the upper guide 323-1 of the roller guide 323. In this case, as well as the reason why two or more fixing rollers 324 are provided, two or more upper moving rollers 322-1 and 322-2 may also be provided to guide the frame 31 in the entry and exit direction.

The moving roller 322 may include a lower moving roller 322-3 so that the frame 31 can slidably move without departing from the roller guide 323. The lower moving roller 322-3 is sufficient to fulfill its role even if only one exists by rolling the lower guide 323-2.

5 is a view showing stoppers 330-1 and 340-1 according to the first embodiment of the present invention.

The first stopper 330-1 is connected to the coupling part 331 inserted into the roller guide 324, and the stop protrusion 332 and the first stopper 330 which prevent the separation of the front moving roller 322-1. -1) includes a fixing protrusion 333 to be fixed to the roller guide 323. An end of the roller guide 323 is provided with a groove into which the fixing protrusion 333 may be inserted.

The stop protrusion 332 is for preventing the detachment of the front moving roller 322-1 and is sufficient to be provided only on the upper portion of the first stopper 330-1. In addition, the stop protrusion 332 may have a curved phenomenon so that the frame 31 is easily separated from the roller guide 324. That is, when the frame 31 is lifted up while the front moving roller 322-1 is in contact with the stop protrusion 332, the front moving roller 322-1 moves away from the stop protrusion 332 and the frame 310. Pulling out further, the rear movement roller 322-2 comes into contact with the stop protrusion 332. At this time, when the frame 31 is lifted up once more, the upper and lower rearward moving rollers 322-2 and 322-3 are separated from the roller guide 324 along the curved surface of the stop protrusion 332.

The second stopper 340-1 is connected to the coupling part 341 inserted into the roller guide 324, and the stop protrusion 342 which prevents separation of the upper and lower rearward moving rollers 322-2 and 322-3. ), And a fixing protrusion 343 to allow the second stopper 340 to be fixed to the roller guide 323. An end of the roller guide 323 is provided with a groove into which the fixing protrusion 343 may be inserted.

The stop protrusion 342 may be provided on the upper and lower portions of the second stopper 340-1 to prevent the upper and lower rearward movement rollers 322-2 and 322-3 from being separated. Unlike the first stopper 330-1, since the rear movement rollers 322-2 and 322-3 are located at both the upper and lower sides, the stop protrusions 342 for preventing their separation are also provided at the top and the bottom thereof. Can be.

Hereinafter, the elastic members 334 and 344 positioned at the ends of the coupling parts 331 and 341 of the stoppers 330 and 340 will be described in detail.

As the user pulls the frame 31, the fixing roller 324 and the stoppers 330 and 340 collide with each other. At this time, the noise is generated by the impact, which acts as an obstacle to the luxurious feel of the dishwasher. The stoppers 330 and 340 may include elastic members 334 and 344 to reduce noise.

The elastic members 334 and 344 are members for absorbing the impact with the fixing roller 324. The elastic members 334 and 344 are elastic members using elastic materials, such as leaf springs and coil springs, and elastic materials such as rubber and sponge. Member can be used.

5 and 6 illustrate a first stopper 330-1 and a second stopper 340-1 using leaf springs in the shape of the elastic members 334-1 and 344-1.

5 is an elastic member (334-1, 344-1) according to the first embodiment of the present invention, one end is connected to the end of the coupling portion (331, 341), the other end cantilever (cantilever) shape without a connection portion Shows the leaf spring. When the fixing roller 324 collides with the stoppers 330-1 and 340-1 according to the sliding movement of the roller guide 323 over time, the elastic members 334-1 and 344-1 First, the elastic members 334-1 and 344-1 are in contact with the fixing roller 324 and collide with the coupling parts 331 and 341 by a collision force. During this process, the impact amount of the fixing roller 324 is reduced, and as a result, the noise caused by the impact of the fixing roller 324 and the stoppers 330-1 and 340-1 is greatly reduced.

6 is an elastic member (334-2, 344-2) according to the second embodiment of the present invention, both ends of the leaf spring is shown to be connected to the end of the coupling portion (331, 341). 6 illustrates a shape in which the elastic members 334-2 and 344-2 are concave toward the coupling parts 331 and 341, but includes a convex shape if the amount of impact can be effectively reduced.

7 illustrates coil springs connected to ends of the coupling parts 331 and 341 as the elastic members 334-3 and 344-3 according to the third embodiment of the present invention. The coil spring is not only formed integrally with the coupling portions 331, 341, but can also be coupled using an intermediate intermediate member.

8 is an elastic member 334-4, 344-4 according to the fourth embodiment of the present invention, and shows an elastic body connected to ends of the coupling parts 331, 341. As shown in FIG. An elastic body is an elastic body and typically includes rubber. That is, any material capable of reducing the amount of impact due to the collision with the fixing roller 324 is included in the elastic members 334-4 and 344-4 according to the fourth embodiment of the present invention.

In the above, the elastic members 334 and 344 positioned at the coupling parts 331 and 341 to reduce the noise caused by the impact with the fixing roller 324 have been described. However, the elastic members 334 and 344 according to the exemplary embodiment of the present invention include those formed in the stop protrusions 332 and 342.

The stop protrusions 332 and 342 collide with the moving roller 322 to prevent the movement of the moving roller 322 and noise is generated at this time. Therefore, even when the elastic members 334 and 344 according to the first to fourth embodiments described above are applied to the stop projections 332 and 342, noise can be reduced.

1: dishwasher, 2: dishware,
10: main body, 11: washing bath,
20: door, 30, 40, 50: rack assembly,
31, 41, 51: frame, 32, 42, 52: roller assembly,
53: basket,
310: first frame, 311: second frame,
312: third frame, 321: fixed plate,
322: moving roller, 323: roller guide,
324: fixing roller, 330: first stopper,
331: coupling portion, 332: stop projection,
333: fixing projections, 334: elastic member,
340: second stopper, 341: coupling portion,
342: stop protrusion, 343: fixed protrusion,
344: elastic member,

Claims

A rack assembly for a dishwasher, the frame assembly of which is removably mounted in a washing tank and a roller assembly connected to the frame and allowing the frame to be pulled out or pulled out.
The roller assembly,
Roller movement roller;
A roller guide coupled to the roller to allow a relatively sliding movement; And
A stopper provided at an end of the roller guide to prevent separation of the roller;
The stopper is a rack assembly for a dishwasher including an elastic member for reducing the noise caused by the impact with the roller.

The method of claim 1,
The roller is a fixed roller fixed inside the washing tank,
The roller assembly further comprises a moving roller connected to the frame and rolling on the roller guide.

3. The method of claim 2,
The moving roller is a rack assembly for a dishwasher including an upper moving roller and a lower moving roller rolling along the upper and lower surfaces of the roller guide.

The method of claim 1,
The stopper includes a coupling part for engaging with the roller guide,
The elastic member is a rack assembly for a dish washer located on the coupling end of the coupling portion.

5. The method of claim 4,
The elastic member, one end is connected to the coupling portion and the other end is a leaf spring spaced apart from the coupling side end of the coupling portion,
The other side of the elastic member and the engaging side end of the coupling portion when the collision with the roller rack assembly for reducing the noise due to the collision with the roller is spaced apart.

5. The method of claim 4,
The elastic member is a leaf spring, both ends of which are connected to the coupling portion and the portion colliding with the roller is spaced apart from the coupling side end of the coupling portion,
When the collision with the roller is a rack assembly for a dishwasher that can reduce the noise due to the impact of the roller by the spaced apart portion of the elastic member and the engaging side end of the coupling portion.

5. The method of claim 4,
The elastic member is one end of the coil spring is connected to the coupling portion,
And the other end of the elastic member collides with the roller, thereby reducing a noise due to a collision with the roller.

5. The method of claim 4,
The elastic member, one end is made of a material having an elastic and connected to the coupling portion,
And the other end of the elastic member collides with the roller, thereby reducing a noise due to impulse with the roller.

3. The method of claim 2,
The stopper may include a stopping protrusion to prevent the moving roller from being separated; And
And an elastic member for reducing noise due to impact with the moving roller.

A dishwasher comprising a rack assembly for a dishwasher according to any one of claims 1 to 9.