KR20150009399A

KR20150009399A - Dish washer

Info

Publication number: KR20150009399A
Application number: KR1020130083854A
Authority: KR
Inventors: 이창욱; 박찬영; 유수형; 함형근; 홍승기
Original assignee: 삼성전자주식회사
Priority date: 2013-07-16
Filing date: 2013-07-16
Publication date: 2015-01-26

Abstract

Disclosed is a dishwasher having the improved structure capable of improving the washing ability. The dishwasher includes a body, a washing reservoir disposed in the body and receiving dishes, and at least one spraying device positioned in the washing reservoir to wash the dishes in the washing reservoir and configured to spray while being rotated. The spraying device has a plurality of rotatable cylinders having a flow path therein, a plurality of spray nozzles provided on outer portions of the cylinders to spray washing water, a connecting member for connecting the cylinders so that the cylinders are integrally moved, and a driving member provided at one end of the connecting member to move the connecting member in the horizontal direction.

Description

DISHWASHER {DISH WASHER}

The present invention relates to a dishwasher, and more particularly, to a dishwasher having an improved structure for improving cleaning power.

A dishwasher is a device that automatically cleans food waste from dishes, cutlery, and various cooking utensils (hereinafter referred to as "tableware") using detergents and washing water.

Generally, a dishwasher includes a main body having a washing tank therein, a rack assembly detachably arranged in the washing tank, and a spraying device for spraying washing water. In the rack assembly, the tableware is stored, and the washing water sprayed from the spray device cleans the tableware.

The injection device is capable of rotating in a fixed position and spraying the washing water and linearly spraying water in a linear manner.

In the case where the jetting apparatus injects the washing water in a rotating manner or a linear manner, there may be a rectangular area in the dishwasher where the washing water does not reach.

When the position of the spraying device is changed in order to prevent a rectangular area existing in the dishwasher, the washing water sprayed from the spraying device strikes the main body of the dishwasher and may generate noise.

One aspect of the present invention provides a dishwasher having an improved structure for preventing a rectangular area where washing water does not reach.

Another aspect of the present invention provides a dishwasher having an improved structure capable of divided washing.

A dishwasher according to an aspect of the present invention includes a main body, a washing tank disposed inside the main body and containing a dishware, and at least one spraying device positioned inside the washing tank for spraying the washing water for washing the tableware inside the washing tank, Wherein the injector is rotatable and includes a plurality of cylinders provided with a first flow path therein, a plurality of injection nozzles provided outside the plurality of cylinders so that the wash water is injected, A connecting member for connecting the plurality of cylinders, and a driving member provided at one end of the connecting member so that the connecting member can move left and right.

The dishwasher according to an embodiment of the present invention may further include a buffer member provided at both ends of the connection member to mitigate an impact caused by the left and right movement of the connection member.

The plurality of injection nozzles may be coupled to the outside of the plurality of cylinders, and may be arranged in the plurality of cylinder longitudinal directions.

The plurality of injection nozzles may be coupled only to one outer side of the plurality of cylinders.

The connecting member may include a support portion having one side opened and protruding toward the plurality of cylinders, and a contact portion formed at both ends of the support portion and facing each other.

Wherein the plurality of cylinders includes a first portion that is introduced into an open side of the support portion and faces the inner circumferential surface of the support portion and a second portion that extends from the first portion and moves between the contact portions that are spaced apart from each other, .

The plurality of injection nozzles moves integrally with the plurality of cylinders, and the plurality of cylinders are rotated by a distance at which the contact portions are spaced apart.

The driving member may include a motor for providing a driving force for rotating the plurality of cylinders and a link portion connected to one end of the connecting member to transform the rotational movement of the motor into a linear reciprocating motion of the connecting member .

The dishwasher according to the present invention may further include a supply pipe connected to one end of the plurality of cylinders, wherein a second flow path for supplying wash water to the plurality of cylinders is provided in the dishwasher, A flow distribution device may be provided to control the supply of wash water.

A dishwasher according to an aspect of the present invention includes a main body, a washing tank disposed inside the main body and containing a dishware, and at least one spraying device positioned inside the washing tank for spraying the washing water for washing the tableware inside the washing tank, A first plate provided on one surface of the casing and having a plurality of spray nozzles for spraying washing water to the washing tank, a first plate provided inside the casing, A second plate moving in a direction opposite to the first plate, and a driving member provided on the second plate to move the second plate.

The first plate and the second plate may have different sizes and may include a plurality of spaced apart gratings.

The first plate may be fixed to the inner wall of the casing, and a first hole may be formed between the plurality of grids formed in the first plate so that the wash water supplied into the casing is sprayed.

A second hole is provided between the plurality of grids formed in the second plate so that the wash water supplied to the inside of the casing passes through the second plate, and the first hole and the second hole coincide with each other, And moves left and right to form a flow path.

The second plate may move left and right so that all or a part of the first hole and the second hole coincide with each other.

The second plate may move left and right so that the first hole and the succeeding portion of the second hole coincide.

The driving member includes a link portion passing through the through hole formed in the casing and coupled to one end of the second plate, and a motor coupled to the link portion to provide a driving force for moving the second plate from side to side can do.

The driving member may include an axis rotatably connected to the second plate.

Wherein the first plate has a plurality of lattice spaced apart from each other and a plurality of injection holes arranged between the plurality of lattices so as to inject wash water, And the plate opens and closes all or a part of the plurality of injection holes.

It is possible to modify the structure of the spraying device to prevent a rectangular area in which the washing water does not reach and to control the opening and closing of the flow path provided in the spraying device,

1 is a sectional view showing the configuration of a dishwasher according to an embodiment of the present invention;
2 is an enlarged view of a first injection device of a dishwasher according to an embodiment of the present invention;
Figure 3 schematically illustrates the movement of the first injector of the dishwasher according to one embodiment of the present invention;
4 is a cross-sectional view showing the configuration of a dishwasher according to another embodiment of the present invention
5 is a view schematically showing a dishwasher according to another embodiment of the present invention;
6 (a) and 6 (b) are views showing that the second plate of the dishwasher according to another embodiment of the present invention is moved by a driving member including a link portion
7 is a view showing that the second plate of the dishwasher according to another embodiment of the present invention is moved by a driving member including a shaft

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a cross-sectional view illustrating the configuration of a dishwasher according to an embodiment of the present invention, and FIG. 2 is an enlarged view of a first injector of a dishwasher according to an embodiment of the present invention.

1 and 2, the dishwasher 1 includes a main body 101 having an outer appearance, a washing tank 103 provided inside the main body 101 to form a washing space for the tableware, a washing tub 103 And a sump 140 provided at a lower portion of the sump to store wash water.

The front surface of the main body 101 is open to receive dishes in the washing tub 103 or draw out the dishes from the washing tub 103. The lower end of the main body 101 is hinged to the lower part of the front surface of the main body 101 and is rotated to provide a door 102 for opening and closing the washing tub 103. At one side of the door 102, a detergent box (not shown) for supplying detergent to the inside of the washing tub 103 is located.

The washing tub 103 is provided with a pair of dish baskets 104 which are open on the upper side and provided with a receiving section for receiving dishes, The table baskets 104 are drawn out and stored through the front surface of the main body 101 which is opened by at least one rack 105 that slidably supports the table baskets 104.

The dish baskets 104 are formed by wires arranged in a lattice shape so that the tableware housed therein is exposed to the outside to be cleaned.

At least one spraying device (120, 130, 200) is installed in the washing tub (103) so that washing water is sprayed on the top, bottom and center of the two dish baskets (104) so that the dishes contained in the basket (104) can be washed. The at least one spraying device 120,130,200 includes a first injector 200 positioned between the upper table baskets 104a and the lower table baskets 104b, a second injector 200 located below the lower table baskets 104b, 120). In addition, it may further include a third injector 130 located above the upper dish basket 104a.

A heater 144 for heating the washing water and a heater mounting groove 145 may be formed in the washing tub 103. A heater mounting groove 145 is provided on the bottom of the washing tub 103 and a heater 144 is mounted on the heater mounting groove 145.

The sump 140 is provided at the bottom center of the washing tub 103 and is configured to collect and pump washing water. The sump 140 includes a washing pump 142 for pumping washing water to a high pressure and a pump motor 141 for driving the washing pump 142.

The cleaning pump 142 pumps the washing water to the third injecting device 130 located on the upper side through the first supplying pipe 106 and supplies the washing water to the third injecting device 130 through the second supplying pipe 108 branched from the first supplying pipe 106 1 < / RTI > And the washing water is pumped through the third supply pipe 109 to the third injection device 130 located at the lower side.

The sump 140 may include a turbidity sensor (not shown) for detecting the degree of contamination of the washing water. A controller (not shown) of the dishwasher 100 can detect the degree of contamination of the washing water using a turbidity sensor (not shown) and control the number of times of washing or rinsing. That is, if the degree of contamination is high, the washing or rinsing step may be increased, and if the degree of contamination is low, the washing or rinsing step may be decreased.

The first injector 200 may include a plurality of cylinders 201.

A plurality of cylinders 201 are rotatable and a plurality of cylinders 201 are provided with a first flow path (not shown) through which the washing water introduced from the second supply pipe 108 can move. A plurality of injection nozzles 202 connected to a first flow path (not shown) is disposed outside the plurality of cylinders 201. The washing water is injected into the dishwasher 1 through a plurality of spray nozzles.

A plurality of injection nozzles 202 can be coupled to the outside of the plurality of cylinders 201.

The plurality of injection nozzles 202 may be coupled to at least one outer side of the plurality of cylinders 201 in the longitudinal direction of the plurality of cylinders 201.

Alternatively, the plurality of injection nozzles 202 may be coupled only to one outer side of the plurality of cylinders 201 in the longitudinal direction of the plurality of cylinders 201.

The plurality of injection nozzles 202 provided in the first injecting apparatus 200 are arranged outside the plurality of cylinders 201 so as to inject the washing water toward at least one of the upper table baskets 104a and the lower table baskets 104b Can be combined.

The plurality of injection nozzles 202 can move integrally with the plurality of cylinders 201.

The plurality of cylinders 201 are connected by a connecting member 203 so as to move integrally. The connecting member 203 may be connected to at least one ends 201a and 201b of the plurality of cylinders 201. [ A connecting member (not shown) for connecting one end 201a of the plurality of cylinders 201 located close to the second supply pipe 108 may be located inside the second supply pipe 108. [ The connecting member 203 connecting one end 201b of the plurality of cylinders 201 located far from the second supply pipe 108 may be located inside the cover portion (not shown). Through holes (not shown) may be formed on both sides of the second supply pipe 108 and the cover portion (not shown) so that the respective connecting members 203 (not shown) can move left and right.

At least one ends 203a and 203b of the connecting member 203 may be provided with a driving member 210 so that the connecting member 203 can move left and right.

The driving member 210 may include a motor 210b and a link portion 210a.

The motor 210b provides motive power to rotate the cylinders 201 and the link unit 210a connects the motor 210b and the linking member 203 to rotate the motor 210b, (203).

One end of the link portion 210a is connected to the motor 210b and eccentrically rotates about the rotation axis 210c of the motor 210b. The other end of the link portion 210a is connected to one end of the linking member 203 so that the linking member 203 can move left and right.

A second flow path (not shown) may be provided in the second supply pipe 108 for supplying the washing water to the plurality of cylinders 201. The washing water is sprayed into the dishwasher 1 through a plurality of spray nozzles 202 through a first flow path (not shown) in a second flow path (not shown).

A plurality of cylinders 201 may be provided with a channel distribution device (not shown) capable of controlling the supply of wash water to the second channel (not shown) so that the dishes can be dividedly cleaned.

(Not shown) that can open / close a plurality of cylinders 201 connected to the second supply pipe, and an opening / closing unit (not shown) Lt; / RTI >

3 is a schematic view illustrating movement of the first injector of the dishwasher according to the embodiment of the present invention.

As shown in FIG. 3, the first injector 200 may further include a buffer member 211. The buffer member 211 may be disposed at both ends of the connecting member 203 to mitigate the impact caused by the lateral movement of the connecting member 203. The buffer member 211 may also be disposed in the second injector 120 and the third injector 130.

The connecting member 203 may include a supporting portion 204 and a contacting portion 205. The supporting portion 204 may be opened at one side so as to engage with the plurality of cylinders 201 and may be projected toward the plurality of cylinders 201 so as to support the plurality of cylinders 201. The contact portions 205 may be formed at both ends of the support portion 204 so as to face each other.

The plurality of cylinders 201 may include a first portion 206 and a second portion 207. The first portion 206 may be introduced into one open side of the support portion 204 and face the inner circumferential surface 204a of the support portion 204. [ The second portion 207 may be an extension of the first portion 206 to move between abutting abutting portions 205 to abut the abutting portion 205.

The plurality of cylinders 201 can be rotated by the spaced distance of the contact portions 205 until the second portion 207 abuts the abutment portion 205. [ Accordingly, the plurality of injection nozzles 202, which are connected to the plurality of cylinders 201 and move integrally with the plurality of cylinders 201, can also be rotated by the distance in which the abutting portions 205 are spaced apart.

FIG. 4 is a sectional view showing the configuration of a dishwasher according to another embodiment of the present invention, FIG. 5 is a view schematically showing a dishwasher according to another embodiment of the present invention, and FIGS. 6 (a) and 6 (b) is a view showing that the second plate of the dishwasher according to another embodiment of the present invention is moved by a driving member including a link portion. Hereinafter, a description of the same components as those of the dishwasher 1 shown in Fig. 1 will be omitted.

4 to 6, the injectors 120a, 130a, and 200a may include a casing 300, a first plate 310, a second plate 320, and a driving member 350 .

The casing 300 forms an outer appearance of the first injector 200a and a space in which the washing water can be stored is provided in the casing 300. [ In addition, the casing 300 may have an open side facing the dishwasher 104.

The first plate 310 is located on one side of the opened casing 300 facing the dish basket 104 and can have a plurality of spray nozzles 202 so as to spray wash water toward the dish basket 104 .

The second plate 320 may be positioned to face the first plate 310 inside the casing 300. The second plate 320 may be spaced apart from the inner wall of the casing 300 so as to move left and right.

The first plate 310 is fixed to the inner wall of the casing 300 and the second plate 320 can move left and right in the longitudinal direction of the first plate 310.

The first plate 310 and the second plate 320 may include a plurality of spaced gratings 310a and 320a. The plurality of gratings 310a and 320a may have various degrees of spacing and size.

A first hole 310b may be provided between the plurality of grids 310a formed on the first plate 310 so that washing water may be injected. A second hole 320b may be provided between the plurality of grids 320a formed in the second plate 320 to allow the washing water supplied into the casing 300 to pass through the first hole 310b. The first hole 310b may be fixed and the second hole 320b may move left and right integrally with the second plate 320. [ The first hole 310b and the second hole 320b may form the flow path 330 so that the washing water supplied into the casing 300 is sprayed to the washing tank 103.

The second plate 320 can be moved laterally so that the first holes 310b and the second holes 320b are completely or partially aligned with each other. When the first hole 310b and the second hole 320b coincide with each other, the flow path 330 is opened. When the first hole 310b and the second hole 320b do not coincide with each other The flow path 330 is in the CLOSED state. When the first hole 310b and the second hole 320b are completely matched with each other, the washing water is injected into the washing tub 103 through all the flow channels 330 formed by the first hole 310b and the second hole 320b. do. On the other hand, when the first hole 310b and the second hole 320b partially coincide with each other, the washing water is supplied to the washing tub 103 through a part of the flow channel 330 formed by the first hole 310b and the second hole 320b ). It is possible to separately clean the tableware provided in the washing tub 103 by moving the second plate 320 so that the first holes 310b and the second holes 320b partially coincide with each other. A part of the first hole 310b and the part of the second hole 320b are continuously (continuously) aligned to form a part of the flow path 330 which is continuously opened.

The driving member 350 may include a link portion 351 and a motor 352. [

The link portion 351 may be coupled to one end of the second plate 320 through the through hole 340 formed in one wall of the casing 300. The motor 352 is connected to the link portion 351 to provide a driving force for moving the second plate 320 to the left and right. The link portion 351 connected to the motor 352 eccentrically rotates about the rotation axis 353 of the motor 352 so that the second plate 320 connected to the link portion 351 is rotated by the first plate 310, Moves left and right in the longitudinal direction.

7 is a view showing that the second plate of the dishwasher according to another embodiment of the present invention is moved by a driving member including a shaft.

As shown in FIG. 7, the drive member 400 may include an axis 440.

The shaft 440 is rotatably coupled to the second plate 420 to allow the second plate 420 to rotate in the same direction as the shaft 440.

The first plate 410 is fixed to the inner wall of the casing 430 and the second plate 420 can rotate about the shaft 440 in the casing 430.

The first plate 410 may include a plurality of gratings 410a and a plurality of ejection holes 410b.

The plurality of gratings 410a may have varying sizes and spacing degrees. The spray holes 410b are formed between the plurality of grids, and the wash water can be sprayed to the washing tub 103 through the spray holes 410b.

The second plate 420 may have various shapes, and preferably a disc shape. The second plate 420 rotates around the shaft 440 so that all or a part of the plurality of injection holes 410b formed in the first plate 410 can be opened or closed. When the second plate 420 blocks the plurality of injection holes 410b formed in the first plate 410, the flow path 330a through which the washing water can move is closed and the washing water can not be injected. In addition, the second plate 420 can partly clean the tableware by opening / closing a part of the plurality of injection holes 410b formed in the first plate 410. [ A motor 452 is mounted on one end of the shaft 440 to provide a driving force for the shaft 440 to rotate. The motor 452 may be located outside the casing 430.

The second plate 420 may include a plurality of grids (not shown) and a plurality of ejection holes (not shown). A spray hole (not shown) formed in the second plate 420 and a spray hole 410b formed in the first plate 410 may form a flow path (not shown) (Not shown) formed in the first plate 410 coincides with the spray hole 410b formed in the first plate 410, the flow path (not shown) is opened and the washing water is sprayed. As the second plate 420 rotates about the shaft 440, the open / closed state of the flow path (not shown) is changed.

The foregoing has shown and described specific embodiments. However, it should be understood that the present invention is not limited to the above-described embodiment, and various changes and modifications may be made without departing from the technical idea of the present invention described in the following claims .

1 (1a): dishwasher 101: main body
102: Door 103: Washing tank
104: dish basket 104a: upper dish basket
104b: Lower tableware basket 105 (105a, 105b): rack
106: first supply pipe 108: second supply pipe
109: third supply pipe 120 (120a): second injection device
130 (130a): Third injection device 140: Sump
141: pump motor 142: cleaning pump
144: heater 145: heater installation groove
200 (200a, 200b): first injection device 201: cylinder
201a (201b): one end of the cylinder 202: injection nozzle
203: connecting member 203a (203b): one end of the connecting member
204: support portion 205: contact portion
206: first part 207: second part
210 (350, 400): driving member 210a (351): link portion
210b (352, 452): motor 210c (353): motor rotation axis
211: buffer member 300 (430): casing
310 (410): first plate 310a (410a): grid of first plate
310b: first hole 320 (420): second plate
320a: grid of the second plate 320b: second hole
330 (330a): channel 340: through hole
440: Axis 410b: injection hole
204a: inner peripheral surface

Claims

main body;
A washing tub disposed inside the main body and receiving the dishware; And
And at least one spraying device located inside the washing tub and configured to spray washing water to wash the dishware inside the washing tub,
Wherein the injection device comprises:
A plurality of cylinders rotatable and provided with a first flow path therein;
A plurality of injection nozzles provided outside the plurality of cylinders to inject wash water;
A connecting member connecting the plurality of cylinders so that the plurality of cylinders can move integrally; And
And a driving member provided at one end of the connecting member so that the connecting member can move left and right.

The method according to claim 1,
Further comprising a cushioning member provided at both ends of the connecting member to mitigate an impact caused by the left and right movement of the connecting member.

The method according to claim 1,
Wherein the plurality of injection nozzles are coupled to the outside of the plurality of cylinders and are arranged in the longitudinal direction of the plurality of cylinders.

The method of claim 3,
Wherein the plurality of injection nozzles are coupled only to one outer side of the plurality of cylinders.

The method according to claim 1,
The connecting member includes:
A support having one side opened and protruding toward the plurality of cylinders; And
And a contact portion formed at both ends of the support portion and spaced apart from each other.

6. The method of claim 5,
Wherein the plurality of cylinders comprise:
A first portion which is introduced into one open side of the support portion and faces an inner circumferential surface of the support portion; And
And a second portion extending from the first portion and moving between the contact portions spaced apart from each other to abut the contact portion.

6. The method of claim 5,
Wherein the plurality of injection nozzles move integrally with the plurality of cylinders,
Wherein the plurality of cylinders are rotated by the spaced distance of the contact portion.

The method according to claim 1,
Wherein the driving member comprises:
A motor for providing a driving force for rotating the plurality of cylinders; And
And a link portion connected to one end of the connecting member to deform the rotational movement of the motor into a linear reciprocating motion of the connecting member.

The method according to claim 1,
Further comprising a supply pipe connected to one end of the plurality of cylinders, wherein a second flow path is provided for supplying wash water to the plurality of cylinders,
Wherein the second flow path is provided with a flow distributing device for controlling the supply of wash water to the plurality of cylinders.

main body;
A washing tub disposed inside the main body and receiving the dishware; And
And at least one spraying device located inside the washing tub and configured to spray washing water to wash the dishware inside the washing tub,
Wherein the injection device comprises:
A casing having a space in which wash water can be stored;
A first plate provided on one surface of the casing so as to spray wash water to the wash tank and having a plurality of spray nozzles;
A second plate provided in the casing and moving to face the first plate; And
And a driving member provided on the second plate to move the second plate.

11. The method of claim 10,
Wherein the first plate and the second plate are of various sizes and comprise a plurality of spaced apart gratings.

12. The method of claim 11,
Wherein the first plate is fixed to the inner wall of the casing,
Wherein a first hole is provided between the plurality of grids formed in the first plate so that the washing water supplied into the casing is sprayed.

13. The method of claim 12,
A second hole is provided between the plurality of grids formed in the second plate so that wash water supplied into the casing passes,
Wherein the second plate moves left and right so that the first hole and the second hole coincide with each other to form a flow path through which the washing water moves.

14. The method of claim 13,
Wherein the second plate moves left and right so that all or a part of the first hole and the second hole coincide with each other.

14. The method of claim 13,
Wherein the second plate moves left and right so that the first hole and the succeeding portion of the second hole coincide with each other.

11. The method of claim 10,
Wherein the driving member comprises:
A link portion passing through the through hole formed in the casing and coupled to one end of the second plate; And
And a motor coupled to the link portion to provide a motive force to move the second plate from side to side.

11. The method of claim 10,
Wherein the driving member comprises a shaft rotatably connected to the second plate.

18. The method of claim 17,
Wherein the first plate includes:
A plurality of gratings having different sizes and spaced apart from each other; And
And a plurality of spray holes arranged to spray wash water between the plurality of grids,
And the circular second plate rotating about the axis opens / closes all or a part of the plurality of injection holes.